A11126

antibody from Invitrogen Antibodies

Targeting: TUBA1C bcm948, MGC10851, MGC14580, TUBA6

Provider product page for A11126

Western blot

Antibody data

Antibody Data
Antigen structure
References [141]
Comments [0]
Validations
Western blot [5]
Immunocytochemistry [39]
Immunohistochemistry [2]
Flow cytometry [1]
Other assay [58]

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Product number: A11126 - Provider product page
Provider: Invitrogen Antibodies
Product name: alpha Tubulin Monoclonal Antibody (236-10501)
Antibody type: Monoclonal
Antigen: Other
Description: The anti-bovine alpha-tubulin antibody can be used with secondary detection techniques to visualize microtubules in fixed cells and in fixed or frozen tissue sections of various species. In addition, this antibody can be used to detect tubulin by ELISA and immunoblot, for the screening of expression libraries and, since it recognizes amino acids 65-97 of the N-terminal structural domain, as a probe for the N-terminal domain of alpha-tubulin.
Antibody clone number: 236-10501

TUBA1C protein structure - A11126 shown in red.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Immunodetection using the Amplex® Gold Western Blot Stain Kit #1 (Product # A21890). Samples of protein molecular weight standards (Product # P-6649) containing decreasing amounts of a-tubulin were run on an SDS-polyacrylamide gel and blotted onto a PVDF membrane. The blot was incubated with a mouse monoclonal anti-a-tubulin antibody (Product # A11126), followed by a horseradish peroxidase conjugate of goat anti-mouse IgG antibody, which is included in the kit. Finally, the blot was stained with the Amplex® Gold reagent and photographed.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Western blot analysis of alpha-Tubulin was performed by loading 20 µg of A431 (lane1), Raji (lane2), MDA-MB-231 (lane3), HCT 116 (lane4), HeLa (lane5), DU 145 (lane6), PC-3 (lane7) and Caco-2 (lane8) cell lysate using Novex®NuPAGE® 12 % Bis-Tris gel (Product # NP0341BOX), XCell SureLock Electrophoresis System (Product # EI0002), Novex® Sharp Pre-Stained Protein Standard (LC5800), and iBlot® Dry Blotting System (IB21001). Proteins were transferred to a nitrocellulose membrane and blocked with 5% skim milk at 4°C overnight. alpha-Tubulin was detected at ~ 52 kDa using alpha-Tubulin Mouse Monoclonal Antibody (Product # A11126) at 1:3000 dilution in 5% skim milk for 3 hour at room temperature on a rocking platform. Goat Anti-Mouse - HRP Secondary Antibody (Product # 62-6520) at 1:4000 dilution was used and chemiluminescent detection was performed using Pierce™ ECL Western Blotting Substrate (Product # 32106).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Protein detection with the DyeChrome™ Western Blot Stain Kit #4 (Product # D21884). Samples of protein molecular weight standards (Product # P-6649) containing decreasing amounts of a-tubulin were run on an SDS-polyacrylamide gel and blotted onto a PVDF membrane. After electrophoresis, the blot was stained with BODIPY® TR-X, succinimidyl ester (red signal), to detect total protein. After staining, the blot was incubated with a mouse monoclonal anti-a-tubulin antibody (Product # A11126), followed by an alkaline phosphatase conjugate of goat anti-mouse IgG antibody, which is included in the kit. Finally, the blot was stained with ELF® 39 phosphate (green signal) to detect the alkaline phosphatase enzyme. The signal was visualized under UV epi-illumination. The two fluorescent signals were captured separately, using the DyeChrome™ Red/Green Photographic Filter Set (Product # D24771), and the two resulting digital images were overlaid using Adobe Photoshop software.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Immunodetection on a Western blot with the BOLD APB chemiluminescent substrate. Samples of protein molecular weight standards (Product # P-6649) containing decreasing amounts of a-tubulin were run on an SDS-polyacrylamide gel and blotted onto a PVDF membrane. After electrophoresis, the blot was stained with SYPRO® Ruby protein blot stain (Product # S-11791) to detect total protein. After documentation of the total protein stain (top), the blot was incubated with a mouse monoclonal anti-a-tubulin antibody (Product # A11126), followed by an alkaline phosphatase conjugate of goat anti-mouse IgG antibody (Product # G-21060). Finally, the blot was stained with the BOLD APB chemiluminescent substrate (Product # B21901) to detect the alkaline phosphatase enzyme. The chemiluminescent signal was visualized using a scanner in chemiluminescence detection mode.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Immunodetection using the Amplex® Gold Western Blot Stain Kit #1 (Product # A21890). Samples of protein molecular weight standards (Product # P-6649) containing decreasing amounts of a-tubulin were run on an SDS-polyacrylamide gel and blotted onto a PVDF membrane. The blot was incubated with a mouse monoclonal anti-a-tubulin antibody (Product # A11126), followed by a horseradish peroxidase conjugate of goat anti-mouse IgG antibody, which is included in the kit. Finally, the blot was stained with the Amplex® Gold reagent and photographed.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Microtubules of fixed bovine pulmonary artery endothelial cells localized with mouse monoclonal anti-a-tubulin antibody (Product # A11126), which was subsequently visualized with Alexa Fluor 350 goat anti-mouse IgG antibody (Product # A-11045). Next, the F-actin was labeled with Alexa Fluor 594 phalloidin (Product # A12381). Finally, the cells were incubated with Alexa Fluor 488 wheat germ agglutinin (W11261) to stain components of endosomal pathways. The superimposed and pseudocolored images were acquired sequentially using bandpass filter sets appropriate for DAPI, the Texas Red dye and FITC, respectively.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Microtubules of bovine pulmonary artery endothelial cells that have been labeled with mouse monoclonal anti-a-tubulin antibody (Product # A11126), followed by biotin-XX goat anti-mouse IgG antibody (Product # B-2763), and then visualized with Marina Blue® streptavidin (Product # S-11221). The cells were next treated with RNase, and the chromosomes were labeled with TO-PRO®-3 iodide (Product # T3605). A series of Z-plane images was acquired with a wide-field optical sectioning confocal laser-scanning microscope. A three-dimensional volume rendering was generated from the deconvolved image series.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: The microtubules of fixed bovine pulmonary artery endothelial cells (BPAEC) localized with mouse monoclonal anti-a-tubulin antibody (Product # A11126), which was visualized with Alexa Fluor® 350 goat anti-mouse IgG antibody (Product # A-11045). The image was acquired using a longpass filter set appropriate for DAPI. The image was deconvolved using Huygens software (Scientific Volume Imaging, www.svi.nl).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: The microtubules of fixed bovine pulmonary artery endothelial cells (BPAEC) localized with mouse monoclonal anti-a-tubulin antibody (Product # A11126), which was visualized with Alexa Fluor® 350 goat anti-mouse IgG antibody (Product # A-11045). The image was acquired using a longpass filter set appropriate for DAPI. The image was deconvolved using Huygens software (Scientific Volume Imaging, www.svi.nl).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Immunofluorescent analysis of Alpha-Tubulin was done on 70% confluent log phase HeLa cells. The cells were fixed with 4% paraformaldehyde for 15 minutes, permeabilized with 0.25% Triton X-100 for 10 minutes, and blocked with 5% BSA for 1 hour at room temperature. The cells were labeled with Alpha-Tubulin Mouse monoclonal Antibody (Product # A11126) at 1 µg/mL in 1% BSA and incubated for 3 hours at room temperature and then labeled with Alexa Fluor 488 Rabbit Anti-Mouse IgG Secondary Antibody (Product # A-11059) at a dilution of 1:400 for 30 minutes at room temperature (Panel a: green). Nuclei (Panel b: blue) were stained with SlowFade® Gold Antifade Mountant DAPI (Product # S36938). F-actin (Panel c: red) was stained with Alexa Fluor 594 Phalloidin (Product # A12381). Panel d is a merged image showing cytoplasmic localization. Panel e shows no primary antibody control. The images were captured at 20X magnification.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Bovine pulmonary artery endothelial cells were labeled with Alexa Fluor® 488 phalloidin (Product # A12379) to stain F-actin and our mouse monoclonal anti-a-tubulin antibody (Product # A11126) in combination with Alexa Fluor® 594 dye-conjugated F (ab')2 fragment of goat anti-mouse IgG antibody (Product # A-11020) to stain microtubules. The multiple-exposure image was acquired using bandpass filter sets appropriate for Texas Red® dye and FITC.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Microtubules of fixed bovine pulmonary artery endothelial cells localized with mouse monoclonal anti-a-tubulin antibody (Product # A11126), which was subsequently visualized with Alexa Fluor 350 goat anti-mouse IgG antibody (Product # A-11045). Next, the F-actin was labeled with Alexa Fluor 594 phalloidin (Product # A12381). Finally, the cells were incubated with Alexa Fluor 488 wheat germ agglutinin (W11261) to stain components of endosomal pathways. The superimposed and pseudocolored images were acquired sequentially using bandpass filter sets appropriate for DAPI, the Texas Red dye and FITC, respectively.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: A bovine pulmonary artery endothelial (BPAE) cell labeled with mouse monoclonal anti-a-tubulin antibody (Product # A11126) in combination with Alexa Fluor® 430 goat anti-mouse IgG antibody (Product # A-11063) to stain microtubules. The image was acquired using a longpass filter set allowing excitation at 455 ± 35 nm and emission at wavelengths greater than 515 nm.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: The microtubules of fixed bovine pulmonary artery endothelial cells were labeled with a mouse monoclonal anti-a-tubulin antibody (Product # A11126), which was visualized with Alexa Fluor® 546 goat anti-mouse IgG antibody (Product # A-11003). The image was acquired using a bandpass filter set appropriate for rhodamine.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: A bovine pulmonary artery endothelial cell labeled with mouse monoclonal anti-a-tubulin antibody (Product # A11126) in combination with Alexa Fluor 532 goat anti-mouse IgG antibody (Product # A-11002) to stain microtubules. The image was acquired using a bandpass filter set (excitation/emission 535 +- 17.5/590 +- 17.5 nm).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: A bovine pulmonary artery endothelial cell labeled with mouse monoclonal anti-a-tubulin antibody (Product # A11126) in combination with Alexa Fluor® 568 goat anti-mouse IgG (Product # A-11004) to stain microtubules. The image was acquired using a bandpass filter set appropriate for X-rhodamine.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Microtubules of fixed bovine pulmonary artery endothelial cells were labeled with our mouse monoclonal anti-a-tubulin antibody (Product # A11126), detected with the biotin-XX-conjugated F (ab)₂ fragment of goat anti-mouse IgG antibody (Product # B11027) and visualized with Alexa Fluor® 488 streptavidin (Product # S-11223). The actin filaments were then labeled with orange-fluorescent Alexa Fluor® 568 phalloidin (Product # A12380), and the cell was counterstained with blue-fluorescent Hoechst 33342 (Product # H1399, H3570, H21492) to image the DNA, and red-fluorescent propidium iodide (Product # P1304MP, P3566, P21493) to image the nucleolar RNA. The multiple-exposure image was acquired using bandpass filters appropriate for the Texas Red® dye, FITC, and DAPI.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: FluoCells® prepared slide #2 (Product # F-14781) showing bovine pulmonary artery endothelial cells probed with anti-bovine a-tubulin mouse monoclonal 236-10501 (Product # A11126) and visualized with BODIPY® FL goat anti-mouse IgG (Product # B-2752). The actin filaments were then labeled with Texas Red®-X phalloidin (Product # T7471) and the nuclei were counterstained with DAPI (Product # D1306, D3571). The multiple-exposure image was acquired using bandpass filters appropriate for Texas Red® dye, FITC and DAPI.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Bovine pulmonary endothelial cell in early prophase, stained with a combination of fluorescent dyes. The chromosomes were stained with SYTO® 16 green-fluorescent nucleic acid stain (Product # S7578) and the mitochondria were identified with MitoTracker® CMXRos (Product # M-7512). Finally, the cytoskeleton was detected with mouse monoclonal anti-a-tubulin antibody (Product # A11126), which was visualized using blue-fluorescent Alexa Fluor® 350 goat anti-mouse IgG (Product # A-11045). The multiple-exposure image was acquired using filter sets appropriate for Texas Red® dye, FITC and DAPI.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Bovine pulmonary endothelial cells incubated with the fixable, mitochondrion-selective MitoTracker® Red CMXRos (Product # M-7512). The cells were then formaldehyde-fixed, acetone-permeabilized and counterstained using SYTO® 16 green-fluorescent nucleic acid stain (Product # S7578). Microtubules were labeled with mouse monoclonal anti-a-tubulin antibody (Product # A11126) and visualized with blue-fluorescent Alexa Fluor® 350 goat anti-mouse IgG (Product # A-11045). The multiple-exposure image was acquired using filter sets appropriate for Texas Red® dye, FITC and DAPI.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Microtubules of fixed bovine pulmonary artery endothelial cells (BPAEC) labeled with mouse monoclonal anti-a-tubulin antibody (Product # A11126), followed by fluorescein goat anti-mouse IgG (Product # F-2761). The orange-fluorescent signal was produced using R-phycoerythrin-labeled anti-fluorescein/Oregon Green® antibody (Product # A-21250).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: The cytoskeleton of a fixed and permeabilized bovine pulmonary artery endothelial cell detected using mouse monoclonal anti-alpha-tubulin antibody (Product # A11126), visualized with Alexa Fluor® 647 goat anti-mouse IgG antibody (Product # A-21235) and pseudocolored magenta. Endogenous biotin in the mitochondria was labeled with green-fluorescent Alexa Fluor® 488 streptavidin (Product # S-11223) and DNA was stained with blue-fluorescent DAPI (Product # D1306, D3571, D21490).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: The microtubules of fixed HeLa cells labeled with mouse monoclonal anti-a-tubulin antibody (Product # A11126) and visualized using Alexa Fluor® 633 goat anti-mouse IgG (Product # A-21050), which is pseudocolored magenta. The filamentous actin (F-actin) was then labeled with Alexa Fluor® 680 phalloidin (Product # A22286), which is pseudocolored purple. Finally, the DNA was stained with blue-fluorescent DAPI (Product # D1306, D3571, D21490).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Fixed and permeabilized bovine pulmonary artery endothelial (BPAE) cells labeled with mouse monoclonal anti-a-tubulin antibody (Product # A11126) and detected using TSA Kit #7 with the HRP conjugate of goat anti-mouse IgG antibody and Alexa Fluor® 350 tyramide (Product # T-20912).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Reversible binding by DSB-X biotin. Microtubules of fixed bovine pulmonary artery endothelial cells were labeled with mouse monoclonal anti-a-tubulin antibody (Product # A11126), detected with either biotin-XX goat anti-mouse IgG antibody (Product # B-2763, panel A) or DSB-X biotin goat anti-mouse IgG antibody (D20691, panel B) and visualized with green-fluorescent Alexa Fluor 488 streptavidin (Product # S-11223). Nuclei were stained with blue-fluorescent DAPI (D1306, D3571, D21490). After incubating with 10 mM D-biotin (Product # B-1595, Product # B-20656), the binding between the biotinylated antibody is unaltered (panel C), whereas the streptavidin conjugate has been stripped from the DSB-X biotin-labeled antibody (panel D).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: The microtubules of fixed bovine pulmonary artery endothelial cells (BPAEC) localized with mouse monoclonal anti-a-tubulin antibody (Product # A11126), which was visualized with Alexa Fluor 350 goat anti&endash;mouse IgG antibody (Product # A-11045). The image was acquired using a longpass filter set appropriate for DAPI.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Fixed and permeabilized muntjac skin fibroblasts stained with Alexa Fluor 488 phalloidin (Product # A12379), an anti-a-tubulin antibody (Product # A11126) and anti-cdc6 peptide antibody. The anti-a-tubulin antibody was prelabeled with the Zenon Alexa Fluor 568 Mouse IgG₁ Labeling Kit (Product # Z-25006), and the anti-cdc6 peptide antibody was prelabeled with the Zenon Alexa Fluor 350 Mouse IgG₁ Labeling Kit (Product # Z-25000).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Fixed and permeabilized bovine pulmonary artery endothelial cells stained with Alexa Fluor® 350 phalloidin (Product # A22281), an anti-a-tubulin antibody (Product # A11126) and the anti-cdc6 peptide antibody (Product # A21286). The anti-a-tubulin antibody was labeled with the Zenon® Alexa Fluor® 568 Mouse IgG₁ Labeling Kit (Product # Z-25006) and the anti-cdc6 peptide antibody was labeled with the Zenon® Alexa Fluor® 488 Mouse IgG₁ Labeling Kit (Product # Z-25002).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Fixed and permeabilized muntjac skin fibroblasts stained with Alexa Fluor® 350 phalloidin (Product # A22281), an anti-a-tubulin antibody (Product # A11126) and an anti-cdc6 peptide antibody (Product # A21286). The anti-a-tubulin antibody was prelabeled with the Zenon® Alexa Fluor® 488 Mouse IgG₁ Labeling Kit (Product # Z-25002) and the anti-cdc6 peptide antibody was prelabeled with the Zenon® Alexa Fluor® 647 Mouse IgG₁ Labeling Kit (Product # Z-25008).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: A prometaphase muntjac skin fibroblast stained with Alexa Fluor® 350 phalloidin (Product # A22281), an anti-a-tubulin antibody (Product # A11126) and an anti-cdc6 peptide antibody (Product # A21286). The anti-a-tubulin antibody was prelabeled with the Zenon® Alexa Fluor® 488 Mouse IgG₁ Labeling Kit (Product # Z-25002) and the anti-cdc6 peptide antibody was prelabeled with the Zenon® Alexa Fluor® 647 Mouse IgG₁ Labeling Kit (Product # Z-25008).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: A metaphase muntjac skin fibroblast stained with Alexa Fluor® 350 phalloidin (Product # A22281), an anti-a-tubulin antibody (Product # A11126) and an anti-cdc6 peptide antibody (Product # A21286). The anti-a-tubulin antibody was prelabeled with the Zenon® Alexa Fluor® 488 Mouse IgG₁ Labeling Kit (Product # Z-25002) and the anti-cdc6 peptide antibody was prelabeled with the Zenon® Alexa Fluor® 647 Mouse IgG₁ Labeling Kit (Product # Z-25008).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: An anaphase muntjac skin fibroblast stained with Alexa Fluor® 350 phalloidin (Product # A22281), an anti-a-tubulin antibody (Product # A11126) and an anti-cdc6 peptide antibody (Product # A21286). The anti-a-tubulin antibody was prelabeled with the Zenon® Alexa Fluor® 488 Mouse IgG₁ Labeling Kit (Product # Z-25002) and the anti-cdc6 peptide antibody was prelabeled with the Zenon® Alexa Fluor® 647 Mouse IgG₁ Labeling Kit (Product # Z-25008).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: Late telophase muntjac cells stained with Alexa Fluor® 350 phalloidin (Product # A22281), an anti-a-tubulin antibody (Product # A11126) and an anti-cdc6 peptide antibody (Product # A21286). The anti-a-tubulin antibody was prelabeled with the Zenon® Alexa Fluor® 488 Mouse IgG₁ Labeling Kit (Product # Z-25002), and the anti-cdc6 peptide antibody was prelabeled with the Zenon® Alexa Fluor® 647 Mouse IgG₁ Labeling Kit (Product # Z-25008).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Four-color staining of muntjac skin fibroblast with probes for cytoskeletal, nuclear and mitochondrial proteins. Fixed and permeabilized cells were stained with Alexa Fluor® 350 phalloidin (Product # A22281), an anti-&ALPHA;-tubulin antibody (Product # A11126), an anti-cdc6 peptide antibody (Product # A21286) and Mouse anti ATP Synthase Subunit IF1 Monoclonal Antibody (Product # A-21355). The Mouse anti ATP Synthase Subunit IF1 Monoclonal Antibody was prelabeled with the Zenon® Alexa Fluor® 488 Mouse IgG1 Labeling Kit (Product # Z-25002), the anti-a-tubulin antibody was prelabeled with the Zenon® Alexa Fluor® 568 Mouse IgG1 Labeling Kit (Product # Z-25002), and the anti-cdc6 peptide antibody was prelabeled with the Zenon® Alexa Fluor® 647 Mouse IgG1 Labeling Kit (Product # Z-25008). The image was deconvolved using Huygens software (Scientific Volume Imaging, http://www.svi.nl/).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: Fixed and permeabilized muntjac skin fibroblasts stained with an anti-a-tubulin antibody (Product # A11126), an anti-paxillin antibody and an anti-cdc6 peptide antibody (Product # A21286) to label tubulin, adhesion points and the nucleus, respectively. The anti-a-tubulin antibody was prelabeled with the Zenon® FITC Mouse IgG₁ Labeling Kit (Product # Z-25042), the anti-paxillin antibody was prelabeled with the Zenon® Alexa Fluor® 488 Mouse IgG₁ Labeling Kit (Product # Z-25002) and the anti-cdc6 peptide antibody was prelabeled with the Zenon® Alexa Fluor® 350 Mouse IgG₁ Labeling Kit (Product # Z-25000). Signals from FITC and Alexa Fluor® 488 dye were imaged before and after photobleaching for 32 minutes. Signal remaining after 32 minutes was assumed to be that of the Alexa Fluor® 488 dye and was pseudocolored yellow in this image.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: A 20-second time series showing enhanced resistance to photobleaching afforded by ProLong® Gold antifade reagent. Fixed bovine pulmonary artery endothelial cells were labeled with anti–α-tubulin (Product # A11126) and visualized with FITC-conjugated goat anti-mouse IgG (Product # F-2761). The samples were mounted in ProLong® Gold antifade reagent (Product # P36930; top) or phosphate-buffered saline (bottom). Images were acquired at 5 second intervals using a 40x/1.3 NA oil immersion objective with continuous illumination from a standard 100 watt Hg-arc lamp.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: Microtubules of bovine pulmonary artery endothelial cells tagged with mouse monoclonal anti-a-tubulin antibody (Product # A11126) and subsequently probed with: Alexa Fluor® 488 Goat Anti-Mouse IgG antibody (Product # A-11001, top panel), Alexa Fluor® 546 Goat Anti-Mouse IgG antibody (Product # A-11003, middle panel) or Alexa Fluor® 594 Goat Anti-Mouse IgG antibody (Product # A-11005, bottom panel). These images were acquired using a FITC bandpass optical filter set, a rhodamine bandpass optical filter set, and a Texas Red bandpass optical filter set, respectively.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Microtubules of bovine pulmonary artery endothelial cells that have been labeled with mouse monoclonal anti-a-tubulin antibody (Product # A11126), followed by biotin-XX goat anti-mouse IgG antibody (Product # B-2763), and then visualized with Marina Blue® streptavidin (Product # S-11221). The cells were next treated with RNase, and the chromosomes were labeled with TO-PRO®-3 iodide (Product # T3605). A series of Z-plane images was acquired with a wide-field optical sectioning confocal laser-scanning microscope. A three-dimensional volume rendering was generated from the deconvolved image series.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Comparison of the photobleaching rates of the Alexa Fluor® 488 and Alexa Fluor® 546 dyes and FITC and Cy3 fluorophores. The cytoskeleton of bovine pulmonary artery endothelial cells (BPAEC) was labeled with (top series) Alexa Fluor® 488 phalloidin (Product # A12379) and mouse monoclonal anti-alpha-tubulin antibody (Product # A11126) in combination with Alexa Fluor® 546 goat anti-mouse IgG antibody (Product # A-11003) or (bottom series) FITC-conjugated phalloidin (F432) and the anti-alpha-tubulin antibody in combination with a commercially available Cy3 goat anti-mouse IgG antibody. The pseudocolored images were taken at 30-second intervals (0, 30, 90, and 210 seconds of exposure from left to right). The images were acquired with bandpass filter sets appropriate for FITC and rhodamine.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: Multicolor cytoskeletal staining of a bovine pulmonary artery endothelial cell. Actin filaments were detected using Texas Red®-X phalloidin (Product # T7471). Tubulin was labeled with a primary antibody directed against a-tubulin (Product # A11126) and visualized using green-fluorescent BODIPY® FL goat anti-mouse IgG (Product # B-2752). Nuclei were counterstained with blue-fluorescent DAPI (Product # D1306, D3571, D21490).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: Microtubules of NIH 3T3 cells labeled with mouse anti-a-tubulin monoclonal IgG₁ antibody (Product # A11126) and visualized with blue-fluorescent Alexa Fluor® 405 goat anti-mouse IgG antibody (Product # A-31553). Nuclei were stained with red-fluorescent propidium iodide (Product # P1304MP, P3566, P21493).

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
Main image
Experimental details: Microtubules of fixed bovine pulmonary artery endothelial cells (BPAEC) were localized with mouse monoclonal anti-a-tubulin antibody (Product # A11126), followed by the biotin-XX-conjugated F (ab)₂ fragment of goat anti-mouse IgG antibody (Product # B11027) and visualized with green-fluorescent Alexa Fluor® 488 streptavidin (Product # S-11223). The cells were counterstained with blue-fluorescent Hoechst 33342 (Product # H1399, H3570, H21492) to image the DNA and red-fluorescent propidium iodide (Product # P1304MP, P3566, P21493) to image nucleolar RNA. The multiple-exposure image was acquired using bandpass filter sets appropriate for Texas Red® dye, FITC and DAPI.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: A comparison of the photobleaching rates of APC and Cy5 conjugates. The micro-tubules of bovine pulmonary artery endothelial cells were stained with mouse anti-a-tubulin antibody (Product # A11126) in combination with goat anti-mouse IgG labeled antibody with either crosslinked APC (Product # A-865, top series) or the Cy5 dye (bottom series). The samples were exposed to continuous illumination, and the images were acquired at 30-second intervals with a Quantex cooled CCD camera (Photometrics) using filter sets appropriate for both APC and Cy5 dye.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: Bovine pulmonary artery endothelial cells were labeled with anti-a-tubulin antibody (Product # A11126) in combination with fluorescein goat anti-mouse IgG antibody (Product # F-2761) (left panel). The center panel shows the cells after treatment with Alexa Fluor® 488 rabbit anti-fluorescein/Oregon Green® antibody (Product # A-11090), and the right panel show the cells after additional labeling with the Alexa Fluor® 488 goat anti-rabbit IgG antibody (Product # A-11008). The images were acquired using identical exposure times, and a bandpass filter set appropriate for fluorescein.

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: Figure 2 The different expression levels of AURKA in the leader cells and the follower cells. ( A , B ) MDA-MB-231 cells were cultured in microfluidic chip for 2 days and subjected to immunofluorescence staining and analysis (original magnification, x200) with antibodies against alpha-Tubulin (red, A ) and AURKA (green, B ). DAPI (blue) staining was used to visualize the nuclei. Solid arrows point to the leader cells while the hollow arrow points to the follower cells. Scale bar: 100 mum ( A ) and 100 mum ( B ).

Supportive validation

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Experimental details: Figure 2 In vivo expression of mutant Atp1a2 . Total RNA and protein samples were isolated from brain of wild type (+/+), Atp1a2 +/R887 (+/R887) and homozygous Atp1a2 R887/R887 (R887/R887) mice at E19.5. A. Left panel. Semi quantitative Atp1a2 RT-PCR (254 bp fragment) on brain cDNA. The b-actin fragment (610 bp) is included as in-tube normalizer. Right panel, same Atp1a2 RT-PCR fragments digested by MspI. B. Protein blot of microsomal fraction probed with anti-alpha2 Na,K-ATPase antibody and anti-neogenin as loading control; the alpha2 Na,K-ATPase and neogenin bands appear at the expected size of 110 kDa and 52 kDa, respectively. C. Total brain lysates from adult wild type and Atp1a2 +/R887 mice probed with anti-alpha1, alpha2, and alpha3 Na,K-ATPase antibodies; anti- tubulin as loading control. Densitometric quantization shows a 50% reduction of the heterozygous mutant alpha2 level compared to wild type. Error bars represent +- SD; Student's t test p

Supportive validation

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Experimental details: Figure 8 Fluorescent images of the K5/K14, F-actin and microtubule networks in NEB-1 K14wt-GFP and NEB-1 K14R125P-GFP keratinocytes fixed at 0% or 133% strain. Cells were treated with 1 ug/mL nocodazole (Nc) to disturb the F-actin network, or were untreated (control). The F-actin network was visualized with rhodamine-phalloidin (100 nM), and alpha-tubulin with immunofluorescence. K14-GFP proteins were expressed and visualized by fluorescence microscopy. Scale bar = 20 um.

Supportive validation

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Experimental details: Figure 2 Nuclear translocation and transcriptional activity of stably transfected cells. Stably transfected U-266-1970-pcIneo cells and U-266-1970-Stat1C cells were left un-treated or were treated with 1000 U/mL IFN-gamma for 0.5 hours. Nuclear and cytoplasmic protein extracts were prepared. ( A ) Western blot analysis of the nuclear (n) and cytoplasmic (c) protein extracts were performed using the indicated antibodies. The proteins alpha-tubulin and alpha-histone H3 are markers for the cytoplasmic and nuclear fraction respectively. ( B ) Stably transfected U-266-1970-pcIneo or U-266-1970-Stat1C cells were left untreated or were treated with IFN-gamma (1000 U/mL) for the indicated times. Protein lysates were prepared and Western blot analysis was performed using the indicated antibodies. ( C ) The luciferase reporter contruct GBP-luc was cotransfected with hubactp/lacZ vector into U-266-1970-pcIneo cells and U-266-1970-Stat1C cells as described. After 24 hours of treatment with IFN-gamma (1000 U/mL), protein extracts were prepared and luciferase assays were performed. The graph shows fold induction of relative light units (RLU) as the mean of three independent experiments +- SD. Corrections have been made for varying transfection efficiency.

Supportive validation

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Experimental details: Figure 5. Activation of MAPK in endometrial cells treated with lipopeptide PAMPs. Endometrial epithelial cells (A) and stromal cells (B) were collected 0, 5, 10, 15, 20, or 25 minutes after treatment with 100 ng/mL PAM or 100 ng/mL FSL-1. The protein from the cells was analyzed by SDS-PAGE and immunoblotted with antibodies against total and phosphorylated forms of p38 (t-p38 and p-p38) and ERK1/2 (tERK1/2 and pERK1/2; #, tERK2; #, pERK2), and alpha-tubulin as visual confirmation of the precision of protein loading and transfer. The image for each cell type is representative of 3 independent experiments for PAM (left panel) or FSL-1 (right panel), and the histograms represent the mean +- SEM of densitometric analysis of the ratio of phosphorylated p-p38 to t-p38, pERK1 to tERK1 or pERK2 to tERK2, expressed as fold activation compared with time 0. Values differ from time 0 when data were analyzed by ANOVA, using the Dunnett pairwise multiple comparison t test: *, P < .05.

Supportive validation

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Experimental details: Figure 1 Setup of combinatorial RNAi screen. A. Western blot showing the extent of ch-TOG protein reduction 42 hr after Doxycycline (Dox) induction in a cell line stably expressing ch-TOG shRNA. beta-actin is used as a loading control. B. Images showing that ch-TOG is depleted from the centrosomes and spindle MTs 42 hr after Dox addition. ch-TOG is in green, alpha-tub in red and DNA in blue in merged images. C. Workflow of RNAi screen. D. Image segmentation workflow to identify mitotic nuclei, segment mitotic cells and detect spindle poles. In yellow is a zoomed image from the final panel to show spindle pole segmentation. Scale bars are 10 mum. E. Graph showing the quantification of validation experiments. Mean +/- standard deviation (STD) of n = 4 is shown. Underneath the graph are representative images taken from the screening data to show the spindle phenotypes of each of the four conditions shown in the graph. alpha-tubulin is in yellow, PHH3 in green, RFP in red and DNA is in blue in merged images. All scale bars represent 10 mum.

Supportive validation

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Experimental details: Figure 2 Hierarchical clustering of differential Z (dZ) scores. Only genes that had a Z-score > +/-1 for changes in either percentage of cells with multipolar spindles or number of spindle poles per cell in ch-TOG shRNA cells are included here. Yellow represents a positive dZ score, blue represents a negative dZ score and darker shading represents a dZ score close to zero. On the right are representative images of alpha-tubulin staining from the screen for some of the genes listed. 'MN' refers to percentage of multinucleate cells. All scale bars represent 10 mum.

Supportive validation

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Experimental details: Figure 3 Suppressing the chromatin-mediated spindle assembly pathway restores bipolar spindles to ch-TOG shRNA cells. A. Representative images of screening data of control, TPX2 and RCC1 siRNA in ch-TOG shRNA cells. alpha-tubulin is shown in green and PHH3 in red in merged images. Scale bar represents 10 mum. Graph shows the fold change in the percentage of cells with multipolar spindles across duplicate plates in the screen. B. Graph showing the validation of screening data with three independent siRNAs targeting TPX2. MCAK siRNA was included as a positive control. n = 3, mean +/- STD are shown. One-way ANOVA followed by Dunnett's test for multiple comparisons: **p

Supportive validation

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Experimental details: Figure 4 Depleting gamma-TuRC components restores bipolar spindle formation to ch-TOG depleted cells. A. Representative images of screening data of control, TUBG1, TUBGCP3 and TUBGCP6 siRNA in ch-TOG shRNA cells. alpha-tubulin is shown in green and PHH3 is shown in red in merged images. Scale bar represents 10 mum. Graph shows the fold change in the percentage of cells with multipolar spindles across duplicate plates in the screen. B. Graph showing the validation of our screening data with four independent siRNAs targeting TUBG1 and a re-test of the TUBG1 pooled siRNA. n = 3, mean +/- STD are shown. One-way ANOVA followed by Dunnett's test for multiple comparisons: ****p

Supportive validation

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Experimental details: Figure 5 ch-TOG and HSET interact during mitotic spindle formation. A. Representative images of control and HSET depleted ch-TOG shRNA cells. alpha-tubulin is in green and PHH3 is in red in merged images. Graph shows the fold change in the percentage of cells with multipolar spindles across duplicate plates in the screen. B. Graph showing the validation of our screening data with three independent siRNAs targeting HSET and a re-test of the HSET pooled siRNA. MCAK siRNA was included as a positive control in all experiments. n = 3, mean +/- STD is shown. One-way ANOVA followed by Dunnett's test for multiple comparisons: ****p

Supportive validation

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Experimental details: Figure 6 ch-TOG maintains a balance between microtubule motor activities. A. Representative images of screening data of control, DNCL1, DYNC1H1 and DNCI2 siRNA in ch-TOG shRNA cells. alpha-tubulin is in green and PHH3 is in red in merged images. Scale bar represents 10 mum. Graph shows the fold change in the percentage of cells with multipolar spindles across duplicate plates in the screen. B. Graph showing the validation of our screening data with three independent siRNAs targeting DNCL1. n = 3, mean +/- STD is shown. One-way ANOVA followed by Dunnett's test for multiple comparisons: **p

Supportive validation

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Experimental details: Figure 2 Immunoblot analysis of Musashi during ovary maturation. ( A ) Protein densitometry of full-length MSI1 and MSI2 in ovary time-course from post-natal day (PND) 2 through to sexual maturity at PND35. Protein expression relative to TUBA1A. For original immunoblots see Supplemental Figure S2 . n = 1. ( B ) Immunoblot of MSI1 and MSI2 in isolated granulosa cells (GC), germinal vesicle oocytes (GV), and in vitro matured metaphase II oocytes (MII). Positive expression of MSI1 was detected at the appropriate size of 39 kDa for isoform 1 and 34 kDa for isoform 2 (only in oocytes). Positive expression of MSI2 was detected at ~37 kDa. Protein expression was measured relative to TUBA1A loading control at 55 kDa. For immunoblots with molecular weight marker, see Supplemental Figure S2 .

Supportive validation

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Experimental details: Figure 6 Assessment of Msi2 Gt/Gt ovarian and oocyte health. ( A ) Immunofluorescence of TUNEL and CASPASE-3 in Msi2 Gt/Gt and Wt adult ovary. Representative images demonstrate an increase in TUNEL (green) and CASPASE-3 (red) in Msi2 Gt/Gt pre-antral (^) and antral ( + ) follicles, verified via quantitative analysis n = 4. Scale bar = 50 mum; ( B ) Msi2 Gt/Gt and Wt MII oocyte quality. MII oocytes collected from the oviductal ampullae of super-ovulated adult mice were fixed and subjected to immunocytochemistry for alpha-tubulin (green) to identify spindles and Hoechst (blue) to identify polar body DNA and oocyte chromosomes. Representative images show typical MII staining pattern in Wt depicting polar body (PB) formation and normal chromosome and spindle alignment (SP). Msi2 Gt/Gt images depict irregular spindle assembly and chromosome alignment and oocyte apoptosis. n = 3 biological replicates, 3 mice/replicate, *: denotes p < 0.05. Scale bar = 20 mum.

Supportive validation

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Experimental details: Fig. 3. Colocalization of BTP1 with MORN1. (A) Schematic of the structure of MORN1. (B) Localization of P . falciparum ( pf )MORN1-GFP in unfixed parasites. MORN1-GFP reveals a contractile ring structure that moves along the longitudinal axes of the nascent merozoite (T1-T4) with an additional punctate structure that might represent the centrocone (marked with arrowheads). Nuclei were stained with DAPI (blue). Enlargement of selected areas are marked with a white square and referred to as 'zoom' (a fourfold magnification). (C) Western blot analysis of MORN1-GFP-expressing parasites using antibodies against GFP shows a fusion protein of approximately 70 kDa (calculated molecular weight 67 kDa) using late-stage parasite material. (D) Colocalization of MORN1-GFP with alpha-tubulin (red) that highlights the microtubule-organizing centers (MTOCs) at this stage. Although the MORN1-marked ring structure is clearly distinct from the MTOC (zoom 1), there is a close association of the MTOC with the additional MORN1-marked structure (zoom 2). Nuclei were stained with DAPI (blue). (E) Schematic representation of the chimeric (BTP1-GFP)-2A-(MORN1-mCherry) protein that results from the bicistronic expression; the two individual proteins expressed from the entire cassette are shown. (F) Western blot analysis of the (BTP1-GFP)-2A-(MORN1-mCherry)-expressing cell line using antibodies against GFP (alpha-GFP) and mCherry (alpha-mCherry). 2A-mediated skipping results in two individual

Supportive validation

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Experimental details: Figure 3 In vitro expression and localization of alpha2-ATPase . A. Immunoblot of HeLa cells transfected with pA2-wt-Myc (wt) and pA2-R887-Myc (R887) probed with anti alpha2-ATPase antibody. B. Calnexin (red) and alpha2 ATPase (probed with anti-myc; green) immunofluorescence staining of wt or R887 transfected Hela cells. R887 alpha2 ATPase mostly colocalises with the endoplasmic reticulum. In the right graphs, the scatter plot of red (ch1) vs. green (ch2) colocalization intensities. (wt parameters: Rr 0.369, R 0.6, Ch1:Ch2 0.999; R887 parameters: Rr 0.558, R 0.755, Ch1:Ch2 0.997). C. HeLa cells expressing wt or R887 variant of alpha2 ATPase are treated with the reversible proteasome inhibitor MG132 (10 uM for 4, 6 and 8 hrs). Blots are probed with anti- alpha2 isoform antibody, anti-ubiquitin antibody and anti-tubulin as loading control.

Supportive validation

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Experimental details: Figure 5 Effect of mifepristone on cytoskeletal actin fibers and tubulin filaments. SKOV-3 (A) , U87MG (B) , MDA-MB-231 (C) or LNCaP (D) cells were cultured in the presence of vehicle (VEH) or a cytostatic concentration of mifepristone (MF) for 72 h, following which immunofluorescence was used to visualize the cytoskeletal protein alpha-tubulin. AlexaFluor (r) 594 phalloidin was utilized to visualize F-actin and DAPI to label cell nuclei. Images were taking using confocal microscopy. Scale bar = 50 mum. The inset in panel D represents a cell that was in a different field within the same image and that denotes the characteristic increase in membrane ruffles induced by MF (for the complete image see Additional file 4 : Figure S4). In A-D , long, thin arrows, cortical actin; short, thin arrows, stress fibers; arrowheads, lamellipodia; short, wide arrows, membrane ruffles. Panel E represents the quantification of the membrane ruffles in culture for all cell lines studied in response to MF. Ruffles were counted from confocal microscopy images. We expressed membrane ruffling as number of ruffles counted every 25 cells, after assessing a minimum of 75 cells and a maximum of 250 cells per experimental group, according to the density of the cell culture. *** p < 0.01 vs. VEH (Student's t -test).

Supportive validation

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Experimental details: Figure 7 Penetration of immunolabeling in REMI media. A STED volume image of a mouse fibroblast cell, partially rounded while undergoing mitosis, demonstrates antibody penetration when alpha-Tubulin is labeled for precisely two hours. ( A ) averaged projections in the lateral and axial dimensions have visually homogeneous labeling. ( B ) labeling can be mapped onto the distance from the exterior of the cell (lateral and axial profiles, top), optionally removing the bright mitotic spindle labeling (bottom). ( C ) A plot of average intensity as a function of depth within the cell demonstrates uniform labeling inward to the edge of the distance map when the nucleus is excluded. Volume size: 20mum x 20mum x 5.5mum. Scale bar: 5 mum.

Supportive validation

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Experimental details: Fig. 4 Effects of BME on hepatic metabolic signaling pathway. (A) protein expressions of liver SIRT1 (B), phosphorylated AMPK, ACC (C),SIRT1, Foxo1, PPARalpha and SREBP1c were determined by Western blotting. HFDwas used as a control and beta-actin, alpha- tubulin ware used as a loadingcontrol.

Supportive validation

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Experimental details: Figure 4 Markers of mitochondrial function and chromosomal alignment. ( a ) Mcl-1 cKO ( n =57) and Mcl-1 +/+ ( n =85) MII oocytes were stained with a potential dependent mitochondrial dye (DePsipher). Values in graph (left) represent a proportion (%) of oocytes with few (20) polarized (red) mitochondrial foci+-S.E.M. per Mcl-1 cKO or Mcl-1 +/+ oocytes. Values in graph (right) represent the proportion (%) of oocytes with mitochondrial distribution separated into pattern 1 or pattern 2+-S.E.M. ( b ) Mean intensity of Mcl-1 cKO ( n =68) and Mcl-1 +/+ ( n =52) MII oocytes stained with MitoTracker Red. Values represent average fold change+-S.E.M. of relative fluorescence units (RFUs) per oocyte, normalized to wild type. ( c ) Mcl-1 cKO ( n =15) and Mcl-1 +/+ ( n =15) oocytes were assayed for levels of TCA cycle substrates malate and fumarate. Values represent average metabolite level ( mu mol) per oocyte wet weight (kg)+-S.E.M. ( d ) MII oocytes were stained with DCFDA (green) ( Mcl-1 cKO ( n =20) and Mcl-1 +/+ ( n =17)) or with MitoSox (red) ( Mcl-1 cKO ( n =20) and Mcl-1 +/+ ( n =24)). Values represent average fold change+-S.E.M. of RFUs per oocyte, normalized to wild type. ( e ) MII oocytes were stained with DAPI (red) and anti-tubulin (green) to visualize chromatin and spindle; chromosomal misalignments (white arrow) from Mcl-1 cKO ( n =84) and Mcl-1 +/+ ( n =89) oocytes were quantitated. Values represent percentage of oocytes with misaligned chromosomes/tot

Supportive validation

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Experimental details: Figure 5 De Novo Drug Resistance Is Associated with Increased Ciliogenesis and Ciliary Signaling (A) A549 cells were treated with 50 nmol/L trametinib (Tram) or DMSO (vehicle control) for the indicated times, and then fixed and stained with antibodies for acetylated tubulin (green), Arl13B (red), gamma-tubulin (blue/inset), and DAPI (blue). Note that exposure to trametinib promoted a significant increase in cilia, cilia length, and fragmentation. (B) Western blot showing levels of phosphorylated ERK, total ERK, vinculin (loading control), phospho-FRS2, and alpha-tubulin (loading control) in the presence and absence of 50 nM trametinib (Tram) in A549 cells. Note that, after 48 and 72 hr of trametinib exposure, pERK was reduced. Phospho-FRS2 levels increased after 72 hr of trametinib treatment. (C-E) Quantification of ciliated cells (C), cilia length (D), and fragmentation (E) for cells shown in (A). n = 150 cilia. Error bars represent the SD. p < 0.05 unpaired t test. (F) Cell viability in A549 cells after treatment with the MEK inhibitor trametinib in control cells (siCONT) or upon downregulation of the distal appendage protein SCLT1 (siSCLT1). Cell viability was normalized to siCONT DMSO control (0 nM) cells. n = 3, p < 0.0001 for 0 nM, p < 0.008 for 1.56 nM, p < 0.0009 for 6.25 nM, and p < 0.003 for 12.5 nM, unpaired t test. (G) A549 cells transfected with siRNA for SCLT1 (siSCLT1) had reduced ciliated cells compared to siRNA control (siCONT). n = 300. Error bars represent

Supportive validation

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Experimental details: 2 Figure Knockdown of islet TSPAN-7 utilizing lentiviral shRNA delivery A , representative mouse islet cell immunofluorescence imaging showing TSPAN-7 KD relative to scramble shRNA controls (mCherry, red; TSPAN-7, green). B , average TSPAN-7 immunofluorescence of mouse islet cells expressing mTSPAN-7 shRNA (dark grey; n = 28 islet cells) relative to scramble shRNA controls (white; n = 37 islet cells); P = 5.0 x 10 -11 . C , representative western blot showing TSPAN-7 KD in dispersed mouse islet cells (upper left) relative to alpha-tubulin (lower left) and representative western blot of TSPAN-7 KD in dispersed human islet cells (upper right) relative to alpha-tubulin (lower right). D , average TSPAN-7 protein in dispersed mouse islet cells expressing mTSPAN-7 shRNA (dark grey; n = 4 mice) relative to scramble shRNA controls (white; n = 4 mice); values normalized to alpha-tubulin protein; P = 0.0005. E , average TSPAN-7 protein in dispersed human islet cells expressing hTSPAN-7 shRNA (light grey; n = 4 islet donors) relative to scramble shRNA controls (white; n = 4 islet donors); hTSPAN-7 shRNA refers to hTSPAN-7 shRNA 3; values normalized to alpha-tubulin protein; P = 0.0003. Statistical analysis was conducted using an unpaired two-sample t test ( B ) or one-sample t tests ( D and E ); uncertainty is expressed as the 95% CI.

Supportive validation

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Experimental details: FIG 3 FA-6005 inhibits virus transcription and replication. (A) Time-of-addition experiments examining the effect of FA-6005 on various stages of the IAV life cycle. (B) FA-6005 exhibits inhibition of the parental virus NP activity but not the resistant I41T variant virus NP activity in a luciferase (Luc) reporter assay. (C) FA-6005 abolishes viral protein synthesis. MDCK cells were infected with IAVs at an MOI of 10 in the presence of 20 muM FA-6005. DMSO was added as a negative control. hpi, hours postinfection. (D) FA-6005 inhibits viral NP vRNA synthesis. **, results were significantly different from those of each control by Dunnett''s t test ( P < 0.005); ***, results were significantly different from those of each control by Dunnett''s t test ( P < 0.0005); ****, results were significantly different from those of each control by a t test ( P < 0.0001).

Supportive validation

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Experimental details: Fig. 3 Low-dose olaparib and TMZ combination treatment in DSRCT cells. a Relative cell viability following 120 h simultaneous combination treatment of olaparib (1.25 uM) with increasing concentrations TMZ (10; 25; 50; 100; 250 uM). Dotted line represents the cell viability of vehicle-treated cells. b Cell-cycle arrest, c pChk1/2 expression (*: a-specific antibody binding at ~ 65 kDa), d PARP1 and caspase-3 (casp3) cleavage, DNA damage (gammaH2AX) and e induction of early and late apoptotic cells following 24-h treatment of low-dose (25 uM) and high-dose (100 uM) TMZ combined with olaparib (1.25 uM) in JN-DSRCT-1 cells. f Relative cell viability following 120-h single-agent olaparib (1.25 uM), TMZ (25 or 100 uM) and simultaneous low-dose and high-dose combination treatment in absence (-) and presence (+) of the pan-caspase inhibitor zVAD.FMK. g Pro-apoptotic protein BAX, BAK and BID mRNA expression following 24-h vehicle, single-agent olaparib (1.25 uM), TMZ (25 or 100 uM) and simultaneous low-dose and high-dose combination treatment. Dotted line represents the twofold change threshold. * p value < 0.05, ** p value < 0.01, *** p value < 0.001

Supportive validation

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Experimental details: Fig. 3 Abnormalities in the sperm nuclei derived from irradiated pollen grains . The male gametes were isolated from the pollen tubes cultured for 24 h. The merged images show nuclei stained with DAPI (pseudocolour: blue), gammaH2AX stained with anti-gammaH2AX antibody followed by secondary antibody (pseudocolour: green) and microtubules stained with anti-alpha-tubulin antibody followed by secondary antibody (pseudocolour: red). The white and yellow arrows indicate lagging chromosome and chromosomal bridges, respectively. VN, vegetative nucleus; SN, sperm nucleus. Bars = 10 mum.

Supportive validation

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Experimental details: Fig. 4 Detection of gammaH2AX in the nuclei of male gametes . The male gametes were isolated from the pollen tubes cultured for 12 h. Merged images show nuclei stained with DAPI (pseudocolour: blue) and gammaH2AX stained with anti-gammaH2AX antibody followed by secondary antibody (pseudocolour: green). Bars = 10 mum.

Supportive validation

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Experimental details: Figure 3 The Exosome Complex Is Reduced in Affected Individuals' Fibroblasts (A) Immunoblotting of fibroblasts from affected individuals with variants in different components of the exosome complex (the homozygous c.92G>C in EXOSC3 , the homozygous c.5C>T in EXOSC8 , the homozygous c.41T>C in EXOSC9 [individual 1:II-1], and the homozygous c.236C>G in RBM7 ) shows reduced EXOSC9, but other components of the exosome complex were also reduced. Actin was used as a loading control. (B) Blue native polyacrylamide gel electrophoresis (BN-PAGE) shows that there is a reduction of the assembly of the whole exosome complex in affected individuals' fibroblasts. GAPDH was used as a loading control. (C) Immunoblot on muscle extracts from affected individual 2:II-1 and four controls confirms that EXOSC9 was severely reduced in affected individual 2:II-1.

Supportive validation

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Experimental details: Figure 3 Chromosome segregation of mitotic T. gondii -infected BUVEC. Mitotic T. gondii -infected BUVEC and non-infected cells were stained for chromosomes via phosphor-HH3 S10 (green) and for mitotic spindle via alpha-Tubulin (red) and analyzed via confocal microscopy. Arrowhead indicates a disalignment of a chromosome (metaphase), white arrows indicate the presence of more than two-spindle poles in anaphase. Scale bar: 5 um.

Supportive validation

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Experimental details: Figure 4 Histone H3, alpha-tubulin, gamma-tubulin, PCNA and Aurora B expression in T. gondii -infected BUVEC. Protein extracts from non-infected and T. gondii- infected BUVEC (six biological replicates) were subjected to Western blotting and analyzed for Histone H3 (S10), alpha-tubulin, gamma-tubulin, PCNA and Aurora B expression. Pure T. gondii tachyzoites were analyzed in parallel for control reasons. The density of the protein signals was quantified and graphed as ratio relative to vinculin as housekeeping protein. Bars represent the median +- SEM. Bars represent the median +- SEM. t- test, * p

Supportive validation

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Experimental details: Figure 5 Mitotic spindle and centromer formation in T. gondii -infected BUVEC. ( A ) T. gondii -infected BUVEC and control cells were stained for chromosomes by DAPI (blue), for mitotic spindles by alpha-Tubulin (red) and for centromeres by gamma-Tubulin (green) and analyzed via confocal microscopy. Additionally, the intensity of centromer-related signals was assessed and plotted as a graph showing intensity value vs distance (in um). Scale bar represents 5 um. ( B ) The number of centrosomes in mitotic cells, in T.gondii-infected BUVEC and control cells, were counted, and graph as a percentage of the total mitotic cells in the monolayer. Bars represent the median +- SEM. Bars represent the median +- SEM. Nonparametric one-way ANOVA (Kruskal-Wallis post-test), ** p

Supportive validation

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Experimental details: Fig 4 Western blot analysis of infected cell lysates and sucrose gradient-purified virions. (A, B) Analysis of cell-associated proteins. LLC-MK2 (A) or Vero (B) cells were infected with the indicated rHPIV3-RSV-F vectors or wt rHPIV3 at an MOI of 3 TCID 50 /cell or with wt RSV at an MOI of 3 PFU/cell and incubated for 48 h at 32degC, after which cells were lysed in denaturing and reducing sample buffer and analyzed by Western blotting. RSV F was detected with a mouse anti-RSV F MAb; note that expression of F protein by RSV in LLC-MK2 cells (A) was below the level of detection due to inefficient infection by RSV in that cell type. rHPIV3 N and P proteins were detected with rabbit polyclonal hyperimmune serum against HPIV3 virions; rHPIV3 F was detected with a rabbit hyperimmune serum against recombinant purified F ectodomain; and rHPIV3 HN was detected with a hyperimmune rabbit serum raised against an HN peptide. Tubulin was detected on all blots as a loading control using a mouse anti-tubulin MAb. Secondary antibodies are described in Materials and Methods. Representative blots are shown. (C) Analysis of purified virions. LLC-MK2 cells were infected with the indicated rHPIV3-RSV-F vectors or wt rHPIV3 at an MOI of 0.1 TCID 50 /cell, and Vero cells were infected with RSV at an MOI of 0.1 PFU/cell (LLC-MK2 cells were used for rHPIV3, but Vero cells were used for RSV because they are more permissive) and incubated at 32degC. Culture medium supernatants were collected, clarified

Supportive validation

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Experimental details: Fig. 3. AJAP1 co-localizes with microtubules in HUVECs. (A) Schematic overview of the epitope binding sites for antibodies used to detect AJAP1 in HUVECs. The antibody recognition sites are mapped to the polypeptide chain. The numbers indicate the amino acid positions on the AJAP1 polypeptide chain. (B) Detection of AJAP1 (yellow) using antibodies with different epitope recognition sites shows fibrillar structures in HUVECs. Cell nuclei were counterstained with DAPI (cyan). Scale bar: 25 um. (C) Immunostaining of AJAP1 (Genovac antibody, yellow) and alpha-tubulin (magenta) shows AJAP1's association with microtubules in HUVECs. The microtubule association is independent from the confluence of the culture. HUVECs were grown until confluence and fixed after seven days. AJAP1 is additionally localized to microtubules contributing to the spindle apparatus during cell division (arrowhead). Further, numerous AJAP1-positive puncta are localized in the perinuclear region. Cell nuclei were counterstained with DAPI (cyan). Microscope: Zeiss LSM 780; objective lens: Plan-Apochromat 63x/1.40 Oil DIC M27; scale bar: 25 um. (D) Structured illumination microscopy (SIM) gives a detailed view of the co-localization of AJAP1 and microtubules in HUVECs. AJAP1 localizes in close proximity to the tubular network lining the fibers (arrows). During mitosis and cell division, AJAP1 co-localizes with the spindle apparatus. Microscope: Zeiss Elyra; objective lens: Plan-Apochromat 63x/1.4 Oil DIC M27;

Supportive validation

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Experimental details: Figure 9 Immuno-SE-HIM of alpha-tubulin in COS7 cells. The use of Au labels and SE-HIM is essential to distinguish the microtubules of COS7 cells. alpha-tubulin and PDI in COS7 cells cultured on an ASEM dish, were tagged with Alexa Fluor (r) 488-Nanogold and Alexa Fluor (r) 594, respectively. After FM and confirmation of Au labeling by ASEM, dehydrated/dried cells were observed by SE-HIM. (A) FM of alpha-tubulin. (B) FM of PDI in the same region. (C) ASEM, almost corresponding to A. (D) Image of rectangle d in C. (E and F) Image of rectangles e and f in C, respectively. (G-J) SE-HIM. (G) SE-HIM corresponding to A; the boundary between the SiN/Si bilayer and the SiN film can be seen. The nucleus and endoplasmic reticulum are very dark, but there are still bright filaments in the cytoplasm; compare C. (H) Image of rectangle h in G. (I) Image of the rectangle i in G. The filamentous lines are comprised of white dots, i.e., signals from Au sedimentation. (J) Image of rectangle j in G. Microtubules in filopodia were visualized by this method. The SE-HIM and ASEM images appear similar, with the exception of the inversely contrasted organelle. ASEM, atmospheric scanning electron microscopy; Au, gold; FM, fluorescence microscopy; PDI, protein disulfide isomerase; SE-HIM, secondary electron-helium ion microscopy; SiN/Si, silicon nitride/silicon.

Supportive validation

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Experimental details: Figure 3 Effect of A9(B8) and erlotinib on EGFR and ERK phosphorylations. Immunoblotting assays were performed to determine the effects of compound and antibody on EGFR or ERK phosphorylation in NCI-H1975 cells. (A) NCI-H1975 cells were treated with A9(B8) in a dose-dependent manner for 6, 12, and 24 hours. Cells without treatment (control) or treated with IgG at a concentration of 1.2 muM (IgG) were utilized as the individual control for the defined time. (B) NCI-H1975 cells were treated with erlotinib in a dose-dependent manner in the presence or absence of 0.3 muM A9(B8) for 12 hours. (C) Relative ratio between p-ERK and ERK in B. IgG at a concentration of 0.3 muM was utilized as the control. Figure 3

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: Figure 4 PMA stimulated ERK phosphorylation. Immunoblotting assays (A) and the following semiquantitative analysis (B and C) were performed to determine the effects of PMA on ERK phosphorylation in NCI-H1975 cells. NCI-H1975 cells were treated by PMA in a dose-dependent manner for the defined time of 20 minutes (B) or 10 minutes (C). Figure 4

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: Fig. 1 Filamentous actin spans the entire microtubule spindle volume in human metaphase II oocytes. a Representative z -projection of a metaphase II oocyte. Microtubules (alpha-tubulin), gamma-tubulin, and actin (phalloidin) merge at the spindle poles; z = 6 sections. Representative of n = 5 oocytes. Scale bar, 10 mum. b Immunofluorescence projections of MII human oocytes stained for chromosomes (Hoechst) and filamentous actin visualized with fluorescent phalloidin, SiR-Actin, and anti-beta-actin antibody; z = 6 sections. Representative of n = 14, 3, and 4 oocytes. Scale bars, 10 mum. c Close-up view of actin (phalloidin) and gamma-tubulin distributions at narrow and broad spindle poles of metaphase II oocytes; z = 6 and 8 sections. Representative of n = 12 oocytes. Scale bars, 5 mum

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: Fig. 2 Actin and microtubule dynamics are tightly coupled during oocyte meiosis. a Schematic illustration of the characteristic stages of oocyte meiosis showing chromosome, microtubule, and actin organization at the spindle. b Confocal z -projections of oocytes fixed at different meiotic stages and stained for chromatin (Hoechst), actin (phalloidin), and microtubules (alpha-tubulin). z = number of projected sections; Images are representative of n = number of oocytes per stage. Prophase I: arrowhead points at the membrane of the germinal vesicle and asterisk marks chromatin clustering around the nucleolus; z = 3 sections, n = 10 oocytes. Metaphase I: z = 3 sections, n = 9 oocytes. Anaphase I: arrowhead highlights the spindle midzone, asterisk marks a lagging chromosome; z = 11 sections, n = 1 oocyte. Telophase I: arrowheads highlight regions of chromatin anchorage; z = 3 and 6 sections, n = 6 oocytes. Prometaphase II: arrowheads mark microtubules projecting towards the polar body; z = 8 and 11 sections, n = 7 oocytes. Metaphase II: arrowheads highlight actin fibers overlapping with microtubules; z = 6 and 8 sections, n = 15 oocytes. Scale bars are 20 mum (overview) and 10 um (inset)

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: Fig. 3 Disruption of microtubules promotes multipolar spindle formation and causes spindle actin reorganization. a Representative z -projections of monastrol-treated MII oocytes showing actin (phalloidin) and microtubules (alpha-tubulin) as indicated by arrowheads (upper panel); gamma-tubulin and microtubule colocalization (lower panel); z = 3 sections. Representative of n = 4 oocytes. b Mean length of bipolar spindles in untreated and taxol-treated MII oocytes. c Localization of chromosomes (Hoechst), actin (phalloidin), alpha-tubulin (upper panel), and gamma-tubulin (lower panel) in taxol-treated MII oocytes; z = 27 sections. Representative of n = 6 oocytes. d Frequency of bipolar and multipolar spindles in untreated and nocodazole-treated MII oocytes. e Number of distinct gamma-tubulin accumulations in nocodazole-treated MII oocytes. f Immunofluorescence images showing chromosomes (Hoechst), actin (phalloidin), and microtubules (alpha-tubulin) at the multipolar spindles of oocytes treated with nocodazole (upper panel); gamma-tubulin at multipoles (lower panel); z = 10 sections. Representative of n = 5 (upper panel) and n = 4 (lower panel) oocytes. g Mean distance between spindle multipoles in oocytes treated with nocodazole alone and oocytes consecutively treated with nocodazole and taxol or monastrol and taxol. h Immunofluorescence images showing actin (phalloidin) and gamma-tubulin at the poles of multipolar spindles in MII oocytes consecutively treated with nocodazole a

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: Figure 4 Regulation of Microtubule Organization by CLEC-2 via LL5beta (A) Representative western blots showing LL5beta expression in FRC cell lines. (B) Expression of LL5beta mRNA relative to control FRCs by qPCR. Error bars represent means and SDs of 2 biological replicates. (C) Immunofluorescence of FRC cell lines in vitro . Maximum z stack projections. Scale bars, 10 mum. (D) Quantification of LL5beta coverage in FRC cell lines as a percentage of the total perimeter. Each dot represents 1 cell. Error bars represent means and SDs. **** p < 0.00005, one-way ANOVA, Tukey's multiple comparisons test. (E) alpha-Tubulin intensity in the cortical area (10 mum from the edge) of FRC cell lines. Each dot represents 1 cell. Error bars represent means and SDs. **** p < 0.00005, one-way ANOVA, Tukey's multiple comparisons test. NS, not significant. (F) alpha-Tubulin intensity in the cortical area (10 mum from the edge) in LL5beta + and negative areas in control FRCs relative to the total area. Black dots represent cells and blue dots represent cell areas. Error bars represent means and SDs. * p < 0.05, one-way ANOVA, Tukey's multiple comparisons test. (G) Expression of LL5beta mRNA by qPCR in LL5beta siRNA transfected FRCs (n = 2). Error bars represent means and SDs. (H) alphaTubulin intensity in the cortical area (10 mum from the edge). Each dot represents 1 cell. Error bars represent means and SDs. ** p < 0.005, *** p < 0.0005, one-way ANOVA, Tukey's multiple comparisons test. (I) Re

Supportive validation

Submitted by: Invitrogen Antibodies (provider)
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Experimental details: Figure 5 Focal Adhesion, Microtubule Organization, and Contractility in FRCs (A and B) Representative immunofluorescence of FCR cell lines untreated and control FRCs treated with Y-27632 ROCK inhibitor. (A) Maximum z stack projections of representative images are shown. Scale bars, 5 mum. (B) Quantification of FA length from p-paxillin staining and LL5beta coverage as a percentage of the total perimeter. Dots represent FAs (top) or single cells (bottom) from 2 biological replicates. ** p < 0.005, **** p < 0.00005, one-way ANOVA, Tukey's multiple comparisons test. Error bars represent SDs. (C) Immunofluorescence of FRC/DC cocultures control or CD11c DeltaCLEC-2 BMDCs. Maximum z stack projections. Scale bars, 20 mum. (D) Quantification of FA length and alpha-tubulin intensity in the cortical area (10 mum from the edge). Dots represent FAs (top) or single cells (bottom) from 3 biological replicates. * p < 0.05, ** p < 0.005, **** p < 0.00005, one-way ANOVA, Tukey's multiple comparisons test. NS, not significant. Error bars represent SDs. (E) Representative immunofluorescence of cryosections of naive and inflamed LNs immunized with IFA/OVA. Maximum z stack projections. Scale bars, 20 mum. Asterisks and arrowheads indicate conduit-associated and conduit-independent surfaces, respectively, of FRCs. (F) Quantification of the indicated conduit components within the PDPN network. Each dot represents the median gray intensity of a different region of interest from 5 biological replicat