Antibody data
- Antibody Data
- Antigen structure
- References [50]
- Comments [0]
- Validations
- Flow cytometry [1]
- Other assay [48]
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- Product number
- 16-0038-85 - Provider product page
- Provider
- Invitrogen Antibodies
- Product name
- CD3 Monoclonal Antibody (UCHT1), Functional Grade, eBioscience™
- Antibody type
- Monoclonal
- Antigen
- Other
- Description
- Description: The UCHT1 monoclonal antibody reacts with human CD3e, a 20 kDa subunit of the TCR complex. Along with the other CD3 subunits gamma and delta, the epsilon chain is required for proper assembly, trafficking and surface expression of the TCR complex. CD3 is expressed by thymocytes in a developmentally regulated manner and by all mature T cells. Crosslinking of TCR via immobilized UCHT1 initiates an intracellular biochemical pathway resulting in cellular activation and proliferation.
- Antibody clone number
- UCHT1
- Concentration
- 1 mg/mL
Submitted references Aberrant gut-microbiota-immune-brain axis development in premature neonates with brain damage.
Dendritic Cell Maturation Regulates TSPAN7 Function in HIV-1 Transfer to CD4(+) T Lymphocytes.
Single-cell transcriptomics reveals regulators underlying immune cell diversity and immune subtypes associated with prognosis in nasopharyngeal carcinoma.
The MicroRNA miR-22 Represses Th17 Cell Pathogenicity by Targeting PTEN-Regulated Pathways.
Inhibition of Glycolysis in Pathogenic T(H)17 Cells through Targeting a miR -21-Peli1-c-Rel Pathway Prevents Autoimmunity.
An Antibody Targeting ICOS Increases Intratumoral Cytotoxic to Regulatory T-cell Ratio and Induces Tumor Regression.
hESC-derived immune suppressive dendritic cells induce immune tolerance of parental hESC-derived allografts.
CD28 costimulation drives tumor-infiltrating T cell glycolysis to promote inflammation.
Skewed T cell responses to Epstein-Barr virus in long-term asymptomatic kidney transplant recipients.
Inflammation induced by incomplete radiofrequency ablation accelerates tumor progression and hinders PD-1 immunotherapy.
Loss of ARPC1B impairs cytotoxic T lymphocyte maintenance and cytolytic activity.
CD28 Superagonistic Activation of T Cells Induces a Tumor Cell-Like Metabolic Program.
InterCells: A Generic Monte-Carlo Simulation of Intercellular Interfaces Captures Nanoscale Patterning at the Immune Synapse.
Mucosal-associated invariant and γδ T cell subsets respond to initial Mycobacterium tuberculosis infection.
Gp41 dynamically interacts with the TCR in the immune synapse and promotes early T cell activation.
Nanoscale kinetic segregation of TCR and CD45 in engaged microvilli facilitates early T cell activation.
Biallelic mutations in DNA ligase 1 underlie a spectrum of immune deficiencies.
Antigen receptor-redirected T cells derived from hematopoietic precursor cells lack expression of the endogenous TCR/CD3 receptor and exhibit specific antitumor capacities.
Follicular Regulatory T Cells Are Highly Permissive to R5-Tropic HIV-1.
A Safety Checkpoint to Eliminate Cancer Risk of the Immune Evasive Cells Derived from Human Embryonic Stem Cells.
T Cell Costimulation by CD6 Is Dependent on Bivalent Binding of a GADS/SLP-76 Complex.
Blocking the recruitment of naive CD4(+) T cells reverses immunosuppression in breast cancer.
Role of podoplanin in the high interleukin-17A secretion resulting from interactions between activated lymphocytes and psoriatic skin-derived mesenchymal cells.
MAIT cells are activated during human viral infections.
Interaction among activated lymphocytes and mesenchymal cells through podoplanin is critical for a high IL-17 secretion.
A cell-based systems biology assessment of human blood to monitor immune responses after influenza vaccination.
Follicular regulatory T cells impair follicular T helper cells in HIV and SIV infection.
Metabolic regulation of hepatitis B immunopathology by myeloid-derived suppressor cells.
A THEMIS:SHP1 complex promotes T-cell survival.
Induction of type I and type III interferons by Borrelia burgdorferi correlates with pathogenesis and requires linear plasmid 36.
Failure to upregulate cell surface PD-1 is associated with dysregulated stimulation of T cells by TGN1412-like CD28 superagonist.
Novel lentiviral vectors with mutated reverse transcriptase for mRNA delivery of TALE nucleases.
A comparison of DNA methylation specific droplet digital PCR (ddPCR) and real time qPCR with flow cytometry in characterizing human T cells in peripheral blood.
Human mesenchymal stromal cells modulate T-cell responses through TNF-α-mediated activation of NF-κB.
Trypan blue exclusion assay by flow cytometry.
Multiple model-informed open-loop control of uncertain intracellular signaling dynamics.
MHC multimer-guided and cell culture-independent isolation of functional T cell receptors from single cells facilitates TCR identification for immunotherapy.
In vivo expansion of co-transplanted T cells impacts on tumor re-initiating activity of human acute myeloid leukemia in NSG mice.
Signaling by Fyn-ADAP via the Carma1-Bcl-10-MAP3K7 signalosome exclusively regulates inflammatory cytokine production in NK cells.
Recombinant influenza virus carrying the respiratory syncytial virus (RSV) F85-93 CTL epitope reduces RSV replication in mice.
Ulcerative colitis impairs the acylethanolamide-based anti-inflammatory system reversal by 5-aminosalicylic acid and glucocorticoids.
Epigenetic biomarkers of T-cells in human glioma.
HTLV-1 propels thymic human T cell development in "human immune system" Rag2⁻/⁻ gamma c⁻/⁻ mice.
Glycogen synthase kinase-3β is a crucial mediator of signal-induced RelB degradation.
Functionally significant differences in expression of disease-associated IL-7 receptor alpha haplotypes in CD4 T cells and dendritic cells.
Accumulation of natural killer T cells in progressive nonalcoholic fatty liver disease.
Critical role for TNF in the induction of human antigen-specific regulatory T cells by tolerogenic dendritic cells.
Alterations of T cell activation signalling and cytokine production by postmenopausal estrogen levels.
Analysis of adhesion molecules, target cells, and role of IL-2 in human FOXP3+ regulatory T cell suppressor function.
Expansion of regulatory T cells in patients with Langerhans cell histiocytosis.
Seki D, Mayer M, Hausmann B, Pjevac P, Giordano V, Goeral K, Unterasinger L, Klebermaß-Schrehof K, De Paepe K, Van de Wiele T, Spittler A, Kasprian G, Warth B, Berger A, Berry D, Wisgrill L
Cell host & microbe 2021 Oct 13;29(10):1558-1572.e6
Cell host & microbe 2021 Oct 13;29(10):1558-1572.e6
Dendritic Cell Maturation Regulates TSPAN7 Function in HIV-1 Transfer to CD4(+) T Lymphocytes.
Perot BP, García-Paredes V, Luka M, Ménager MM
Frontiers in cellular and infection microbiology 2020;10:70
Frontiers in cellular and infection microbiology 2020;10:70
Single-cell transcriptomics reveals regulators underlying immune cell diversity and immune subtypes associated with prognosis in nasopharyngeal carcinoma.
Chen YP, Yin JH, Li WF, Li HJ, Chen DP, Zhang CJ, Lv JW, Wang YQ, Li XM, Li JY, Zhang PP, Li YQ, He QM, Yang XJ, Lei Y, Tang LL, Zhou GQ, Mao YP, Wei C, Xiong KX, Zhang HB, Zhu SD, Hou Y, Sun Y, Dean M, Amit I, Wu K, Kuang DM, Li GB, Liu N, Ma J
Cell research 2020 Nov;30(11):1024-1042
Cell research 2020 Nov;30(11):1024-1042
The MicroRNA miR-22 Represses Th17 Cell Pathogenicity by Targeting PTEN-Regulated Pathways.
Wang L, Qiu R, Zhang Z, Han Z, Yao C, Hou G, Dai D, Jin W, Tang Y, Yu X, Shen N
ImmunoHorizons 2020 Jun 9;4(6):308-318
ImmunoHorizons 2020 Jun 9;4(6):308-318
Inhibition of Glycolysis in Pathogenic T(H)17 Cells through Targeting a miR -21-Peli1-c-Rel Pathway Prevents Autoimmunity.
Qiu R, Yu X, Wang L, Han Z, Yao C, Cui Y, Hou G, Dai D, Jin W, Shen N
Journal of immunology (Baltimore, Md. : 1950) 2020 Jun 15;204(12):3160-3170
Journal of immunology (Baltimore, Md. : 1950) 2020 Jun 15;204(12):3160-3170
An Antibody Targeting ICOS Increases Intratumoral Cytotoxic to Regulatory T-cell Ratio and Induces Tumor Regression.
Sainson RCA, Thotakura AK, Kosmac M, Borhis G, Parveen N, Kimber R, Carvalho J, Henderson SJ, Pryke KL, Okell T, O'Leary S, Ball S, Van Krinks C, Gamand L, Taggart E, Pring EJ, Ali H, Craig H, Wong VWY, Liang Q, Rowlands RJ, Lecointre M, Campbell J, Kirby I, Melvin D, Germaschewski V, Oelmann E, Quaratino S, McCourt M
Cancer immunology research 2020 Dec;8(12):1568-1582
Cancer immunology research 2020 Dec;8(12):1568-1582
hESC-derived immune suppressive dendritic cells induce immune tolerance of parental hESC-derived allografts.
Todorova D, Zhang Y, Chen Q, Liu J, He J, Fu X, Xu Y
EBioMedicine 2020 Dec;62:103120
EBioMedicine 2020 Dec;62:103120
CD28 costimulation drives tumor-infiltrating T cell glycolysis to promote inflammation.
Beckermann KE, Hongo R, Ye X, Young K, Carbonell K, Healey DCC, Siska PJ, Barone S, Roe CE, Smith CC, Vincent BG, Mason FM, Irish JM, Rathmell WK, Rathmell JC
JCI insight 2020 Aug 20;5(16)
JCI insight 2020 Aug 20;5(16)
Skewed T cell responses to Epstein-Barr virus in long-term asymptomatic kidney transplant recipients.
Nakid-Cordero C, Arzouk N, Gauthier N, Tarantino N, Larsen M, Choquet S, Burrel S, Autran B, Vieillard V, Guihot A
PloS one 2019;14(10):e0224211
PloS one 2019;14(10):e0224211
Inflammation induced by incomplete radiofrequency ablation accelerates tumor progression and hinders PD-1 immunotherapy.
Shi L, Wang J, Ding N, Zhang Y, Zhu Y, Dong S, Wang X, Peng C, Zhou C, Zhou L, Li X, Shi H, Wu W, Long X, Wu C, Liao W
Nature communications 2019 Nov 28;10(1):5421
Nature communications 2019 Nov 28;10(1):5421
Loss of ARPC1B impairs cytotoxic T lymphocyte maintenance and cytolytic activity.
Randzavola LO, Strege K, Juzans M, Asano Y, Stinchcombe JC, Gawden-Bone CM, Seaman MN, Kuijpers TW, Griffiths GM
The Journal of clinical investigation 2019 Dec 2;129(12):5600-5614
The Journal of clinical investigation 2019 Dec 2;129(12):5600-5614
CD28 Superagonistic Activation of T Cells Induces a Tumor Cell-Like Metabolic Program.
Thaventhiran T, Wong W, Alghanem AF, Alhumeed N, Aljasir MA, Ramsey S, Sethu S, Yeang HXA, Chadwick AE, Cross M, Webb SD, Djouhri L, Ball C, Stebbings R, Sathish JG
Monoclonal antibodies in immunodiagnosis and immunotherapy 2019 Apr;38(2):60-69
Monoclonal antibodies in immunodiagnosis and immunotherapy 2019 Apr;38(2):60-69
InterCells: A Generic Monte-Carlo Simulation of Intercellular Interfaces Captures Nanoscale Patterning at the Immune Synapse.
Neve-Oz Y, Sajman J, Razvag Y, Sherman E
Frontiers in immunology 2018;9:2051
Frontiers in immunology 2018;9:2051
Mucosal-associated invariant and γδ T cell subsets respond to initial Mycobacterium tuberculosis infection.
Vorkas CK, Wipperman MF, Li K, Bean J, Bhattarai SK, Adamow M, Wong P, Aubé J, Juste MAJ, Bucci V, Fitzgerald DW, Glickman MS
JCI insight 2018 Oct 4;3(19)
JCI insight 2018 Oct 4;3(19)
Gp41 dynamically interacts with the TCR in the immune synapse and promotes early T cell activation.
Yakovian O, Schwarzer R, Sajman J, Neve-Oz Y, Razvag Y, Herrmann A, Sherman E
Scientific reports 2018 Jun 27;8(1):9747
Scientific reports 2018 Jun 27;8(1):9747
Nanoscale kinetic segregation of TCR and CD45 in engaged microvilli facilitates early T cell activation.
Razvag Y, Neve-Oz Y, Sajman J, Reches M, Sherman E
Nature communications 2018 Feb 21;9(1):732
Nature communications 2018 Feb 21;9(1):732
Biallelic mutations in DNA ligase 1 underlie a spectrum of immune deficiencies.
Maffucci P, Chavez J, Jurkiw TJ, O'Brien PJ, Abbott JK, Reynolds PR, Worth A, Notarangelo LD, Felgentreff K, Cortes P, Boisson B, Radigan L, Cobat A, Dinakar C, Ehlayel M, Ben-Omran T, Gelfand EW, Casanova JL, Cunningham-Rundles C
The Journal of clinical investigation 2018 Dec 3;128(12):5489-5504
The Journal of clinical investigation 2018 Dec 3;128(12):5489-5504
Antigen receptor-redirected T cells derived from hematopoietic precursor cells lack expression of the endogenous TCR/CD3 receptor and exhibit specific antitumor capacities.
Van Caeneghem Y, De Munter S, Tieppo P, Goetgeluk G, Weening K, Verstichel G, Bonte S, Taghon T, Leclercq G, Kerre T, Debets R, Vermijlen D, Abken H, Vandekerckhove B
Oncoimmunology 2017;6(3):e1283460
Oncoimmunology 2017;6(3):e1283460
Follicular Regulatory T Cells Are Highly Permissive to R5-Tropic HIV-1.
Miller SM, Miles B, Guo K, Folkvord J, Meditz AL, McCarter MD, Levy DN, MaWhinney S, Santiago ML, Connick E
Journal of virology 2017 Sep 1;91(17)
Journal of virology 2017 Sep 1;91(17)
A Safety Checkpoint to Eliminate Cancer Risk of the Immune Evasive Cells Derived from Human Embryonic Stem Cells.
He J, Rong Z, Fu X, Xu Y
Stem cells (Dayton, Ohio) 2017 May;35(5):1154-1161
Stem cells (Dayton, Ohio) 2017 May;35(5):1154-1161
T Cell Costimulation by CD6 Is Dependent on Bivalent Binding of a GADS/SLP-76 Complex.
Breuning J, Brown MH
Molecular and cellular biology 2017 Jun 1;37(11)
Molecular and cellular biology 2017 Jun 1;37(11)
Blocking the recruitment of naive CD4(+) T cells reverses immunosuppression in breast cancer.
Su S, Liao J, Liu J, Huang D, He C, Chen F, Yang L, Wu W, Chen J, Lin L, Zeng Y, Ouyang N, Cui X, Yao H, Su F, Huang JD, Lieberman J, Liu Q, Song E
Cell research 2017 Apr;27(4):461-482
Cell research 2017 Apr;27(4):461-482
Role of podoplanin in the high interleukin-17A secretion resulting from interactions between activated lymphocytes and psoriatic skin-derived mesenchymal cells.
Noack M, Ndongo-Thiam N, Miossec P
Clinical and experimental immunology 2016 Oct;186(1):64-74
Clinical and experimental immunology 2016 Oct;186(1):64-74
MAIT cells are activated during human viral infections.
van Wilgenburg B, Scherwitzl I, Hutchinson EC, Leng T, Kurioka A, Kulicke C, de Lara C, Cole S, Vasanawathana S, Limpitikul W, Malasit P, Young D, Denney L, STOP-HCV consortium, Moore MD, Fabris P, Giordani MT, Oo YH, Laidlaw SM, Dustin LB, Ho LP, Thompson FM, Ramamurthy N, Mongkolsapaya J, Willberg CB, Screaton GR, Klenerman P
Nature communications 2016 Jun 23;7:11653
Nature communications 2016 Jun 23;7:11653
Interaction among activated lymphocytes and mesenchymal cells through podoplanin is critical for a high IL-17 secretion.
Noack M, Ndongo-Thiam N, Miossec P
Arthritis research & therapy 2016 Jun 23;18:148
Arthritis research & therapy 2016 Jun 23;18:148
A cell-based systems biology assessment of human blood to monitor immune responses after influenza vaccination.
Hoek KL, Samir P, Howard LM, Niu X, Prasad N, Galassie A, Liu Q, Allos TM, Floyd KA, Guo Y, Shyr Y, Levy SE, Joyce S, Edwards KM, Link AJ
PloS one 2015;10(2):e0118528
PloS one 2015;10(2):e0118528
Follicular regulatory T cells impair follicular T helper cells in HIV and SIV infection.
Miles B, Miller SM, Folkvord JM, Kimball A, Chamanian M, Meditz AL, Arends T, McCarter MD, Levy DN, Rakasz EG, Skinner PJ, Connick E
Nature communications 2015 Oct 20;6:8608
Nature communications 2015 Oct 20;6:8608
Metabolic regulation of hepatitis B immunopathology by myeloid-derived suppressor cells.
Pallett LJ, Gill US, Quaglia A, Sinclair LV, Jover-Cobos M, Schurich A, Singh KP, Thomas N, Das A, Chen A, Fusai G, Bertoletti A, Cantrell DA, Kennedy PT, Davies NA, Haniffa M, Maini MK
Nature medicine 2015 Jun;21(6):591-600
Nature medicine 2015 Jun;21(6):591-600
A THEMIS:SHP1 complex promotes T-cell survival.
Paster W, Bruger AM, Katsch K, Grégoire C, Roncagalli R, Fu G, Gascoigne NR, Nika K, Cohnen A, Feller SM, Simister PC, Molder KC, Cordoba SP, Dushek O, Malissen B, Acuto O
The EMBO journal 2015 Feb 3;34(3):393-409
The EMBO journal 2015 Feb 3;34(3):393-409
Induction of type I and type III interferons by Borrelia burgdorferi correlates with pathogenesis and requires linear plasmid 36.
Krupna-Gaylord MA, Liveris D, Love AC, Wormser GP, Schwartz I, Petzke MM
PloS one 2014;9(6):e100174
PloS one 2014;9(6):e100174
Failure to upregulate cell surface PD-1 is associated with dysregulated stimulation of T cells by TGN1412-like CD28 superagonist.
Thaventhiran T, Alhumeed N, Yeang HX, Sethu S, Downey JS, Alghanem AF, Olayanju A, Smith EL, Cross MJ, Webb SD, Williams DP, Bristow A, Ball C, Stebbings R, Sathish JG
mAbs 2014;6(5):1290-9
mAbs 2014;6(5):1290-9
Novel lentiviral vectors with mutated reverse transcriptase for mRNA delivery of TALE nucleases.
Mock U, Riecken K, Berdien B, Qasim W, Chan E, Cathomen T, Fehse B
Scientific reports 2014 Sep 18;4:6409
Scientific reports 2014 Sep 18;4:6409
A comparison of DNA methylation specific droplet digital PCR (ddPCR) and real time qPCR with flow cytometry in characterizing human T cells in peripheral blood.
Wiencke JK, Bracci PM, Hsuang G, Zheng S, Hansen H, Wrensch MR, Rice T, Eliot M, Kelsey KT
Epigenetics 2014 Oct;9(10):1360-5
Epigenetics 2014 Oct;9(10):1360-5
Human mesenchymal stromal cells modulate T-cell responses through TNF-α-mediated activation of NF-κB.
Dorronsoro A, Ferrin I, Salcedo JM, Jakobsson E, Fernández-Rueda J, Lang V, Sepulveda P, Fechter K, Pennington D, Trigueros C
European journal of immunology 2014 Feb;44(2):480-8
European journal of immunology 2014 Feb;44(2):480-8
Trypan blue exclusion assay by flow cytometry.
Avelar-Freitas BA, Almeida VG, Pinto MC, Mourão FA, Massensini AR, Martins-Filho OA, Rocha-Vieira E, Brito-Melo GE
Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas 2014 Apr;47(4):307-15
Brazilian journal of medical and biological research = Revista brasileira de pesquisas medicas e biologicas 2014 Apr;47(4):307-15
Multiple model-informed open-loop control of uncertain intracellular signaling dynamics.
Perley JP, Mikolajczak J, Harrison ML, Buzzard GT, Rundell AE
PLoS computational biology 2014 Apr;10(4):e1003546
PLoS computational biology 2014 Apr;10(4):e1003546
MHC multimer-guided and cell culture-independent isolation of functional T cell receptors from single cells facilitates TCR identification for immunotherapy.
Dössinger G, Bunse M, Bet J, Albrecht J, Paszkiewicz PJ, Weißbrich B, Schiedewitz I, Henkel L, Schiemann M, Neuenhahn M, Uckert W, Busch DH
PloS one 2013;8(4):e61384
PloS one 2013;8(4):e61384
In vivo expansion of co-transplanted T cells impacts on tumor re-initiating activity of human acute myeloid leukemia in NSG mice.
von Bonin M, Wermke M, Cosgun KN, Thiede C, Bornhauser M, Wagemaker G, Waskow C
PloS one 2013;8(4):e60680
PloS one 2013;8(4):e60680
Signaling by Fyn-ADAP via the Carma1-Bcl-10-MAP3K7 signalosome exclusively regulates inflammatory cytokine production in NK cells.
Rajasekaran K, Kumar P, Schuldt KM, Peterson EJ, Vanhaesebroeck B, Dixit V, Thakar MS, Malarkannan S
Nature immunology 2013 Nov;14(11):1127-36
Nature immunology 2013 Nov;14(11):1127-36
Recombinant influenza virus carrying the respiratory syncytial virus (RSV) F85-93 CTL epitope reduces RSV replication in mice.
De Baets S, Schepens B, Sedeyn K, Schotsaert M, Roose K, Bogaert P, Fiers W, Saelens X
Journal of virology 2013 Mar;87(6):3314-23
Journal of virology 2013 Mar;87(6):3314-23
Ulcerative colitis impairs the acylethanolamide-based anti-inflammatory system reversal by 5-aminosalicylic acid and glucocorticoids.
Suárez J, Romero-Zerbo Y, Márquez L, Rivera P, Iglesias M, Bermúdez-Silva FJ, Andreu M, Rodríguez de Fonseca F
PloS one 2012;7(5):e37729
PloS one 2012;7(5):e37729
Epigenetic biomarkers of T-cells in human glioma.
Wiencke JK, Accomando WP, Zheng S, Patoka J, Dou X, Phillips JJ, Hsuang G, Christensen BC, Houseman EA, Koestler DC, Bracci P, Wiemels JL, Wrensch M, Nelson HH, Kelsey KT
Epigenetics 2012 Dec 1;7(12):1391-402
Epigenetics 2012 Dec 1;7(12):1391-402
HTLV-1 propels thymic human T cell development in "human immune system" Rag2⁻/⁻ gamma c⁻/⁻ mice.
Villaudy J, Wencker M, Gadot N, Gillet NA, Scoazec JY, Gazzolo L, Manz MG, Bangham CR, Dodon MD
PLoS pathogens 2011 Sep;7(9):e1002231
PLoS pathogens 2011 Sep;7(9):e1002231
Glycogen synthase kinase-3β is a crucial mediator of signal-induced RelB degradation.
Neumann M, Klar S, Wilisch-Neumann A, Hollenbach E, Kavuri S, Leverkus M, Kandolf R, Brunner-Weinzierl MC, Klingel K
Oncogene 2011 May 26;30(21):2485-92
Oncogene 2011 May 26;30(21):2485-92
Functionally significant differences in expression of disease-associated IL-7 receptor alpha haplotypes in CD4 T cells and dendritic cells.
Hoe E, McKay FC, Schibeci SD, Gandhi K, Heard RN, Stewart GJ, Booth DR
Journal of immunology (Baltimore, Md. : 1950) 2010 Mar 1;184(5):2512-7
Journal of immunology (Baltimore, Md. : 1950) 2010 Mar 1;184(5):2512-7
Accumulation of natural killer T cells in progressive nonalcoholic fatty liver disease.
Syn WK, Oo YH, Pereira TA, Karaca GF, Jung Y, Omenetti A, Witek RP, Choi SS, Guy CD, Fearing CM, Teaberry V, Pereira FE, Adams DH, Diehl AM
Hepatology (Baltimore, Md.) 2010 Jun;51(6):1998-2007
Hepatology (Baltimore, Md.) 2010 Jun;51(6):1998-2007
Critical role for TNF in the induction of human antigen-specific regulatory T cells by tolerogenic dendritic cells.
Kleijwegt FS, Laban S, Duinkerken G, Joosten AM, Zaldumbide A, Nikolic T, Roep BO
Journal of immunology (Baltimore, Md. : 1950) 2010 Aug 1;185(3):1412-8
Journal of immunology (Baltimore, Md. : 1950) 2010 Aug 1;185(3):1412-8
Alterations of T cell activation signalling and cytokine production by postmenopausal estrogen levels.
Ku LT, Gercel-Taylor C, Nakajima ST, Taylor DD
Immunity & ageing : I & A 2009 Mar 5;6:1
Immunity & ageing : I & A 2009 Mar 5;6:1
Analysis of adhesion molecules, target cells, and role of IL-2 in human FOXP3+ regulatory T cell suppressor function.
Tran DQ, Glass DD, Uzel G, Darnell DA, Spalding C, Holland SM, Shevach EM
Journal of immunology (Baltimore, Md. : 1950) 2009 Mar 1;182(5):2929-38
Journal of immunology (Baltimore, Md. : 1950) 2009 Mar 1;182(5):2929-38
Expansion of regulatory T cells in patients with Langerhans cell histiocytosis.
Senechal B, Elain G, Jeziorski E, Grondin V, Patey-Mariaud de Serre N, Jaubert F, Beldjord K, Lellouch A, Glorion C, Zerah M, Mary P, Barkaoui M, Emile JF, Boccon-Gibod L, Josset P, Debré M, Fischer A, Donadieu J, Geissmann F
PLoS medicine 2007 Aug;4(8):e253
PLoS medicine 2007 Aug;4(8):e253
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Supportive validation
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- Staining of normal human peripheral blood cells with Anti-Human CD3 PE-Cy5 (left), and Anti-Human CD3 APC (right).Appropriate isotype controls were used (open histogram).Cells in the lymphocyte population were used for analysis.
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- Figure 6 Representative high-magnification photomicrographs showing double immunofluorescence for NAAA, CD19, CD3 and CD14 in order to characterize the immune cells in the mucosa infiltrate of UC patients. NAAA immunofluorescence was observed in CD19+ B lymphocytes (A-C), CD3+ T lymphocytes (D-F) and CD14+ macrophages (G-I).
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- Figure 9 Representative high-magnification photomicrographs showing double immunofluorescence for FAAH, NAPE-PLD, CD38 and CD3 in order to characterize the immune cells in the mucosa infiltrate of UC patients. Nearly all FAAH immunofluorescent cells are plasma cell-specific CD38 (A-C). NAPE-PLD immunofluorescence was observed in both CD38+ plasma cells (D-F) and CD3+ T lymphocytes (G-I).
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- 6 Accumulation of liver NKT cells accompanies Hh-pathway activation in human NASH. (A-C) Liver sections from patients with NASH and either little fibrosis (F0-1) or advanced fibrosis (F3-4) were stained for the marker of activated myofibroblast, alpha-SMA (A), the Hh-regulated NKT chemokine, CXCL16 (B), and NKT cells, i.e., CD3 (blue) / CD57 (brown) double-immunoreactive cells. Representative photomicrographs are shown. Final magnification x400 (A,B) and x600 (C).
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- Effect of interactions between skin fibroblasts and peripheral blood mononuclear cells (PBMC) on T helper type 17 (Th17) differentiation and interleukin (IL)-17 secretion. Healthy PBMC and psoriatic skin fibroblasts were cultured alone or in co-culture at a ratio of 5 : 1 for 48 h in the presence or absence of phytohaemagglutinin (PHA) (5 mug/ml). The Transwell system was used in co-cultures to inhibit cell-cell contact. PBMC were recovered after 48 h and stained with surface markers CD3 and CD4 and with intracellular IL-17A. The percentage of CD3 + CD4 + IL-17A + is represented (a,c). IL-17A production was measured in supernatants after 48 h by enzyme-linked immunosorbent assay (ELISA) (b,d). *Compares PBMC alone and co-cultures and # compares control and PHA (a,b). *Compares co-cultures and Transwell system (c,d). * P
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- Expression of podoplanin (pdpn) in peripheral blood mononuclear cells (PBMC) alone or in co-culture. Healthy PBMC were cultured alone or in co-culture with psoriatic skin fibroblasts at a ratio of 5 : 1 for 48 h in the presence or absence of phytohaemagglutinin (PHA) (5 mug/ml). Cells were recovered after 48 h and stained with anti-pdpn antibody. Dot-plot of one experiment is represented (a,b,c). The percentage of pdpn + cells in the different conditions is represented (d). Co-cultures with anti-pdpn antibody were performed and PBMC were recovered after 48 h and stained for surface markers CD3 and CD4, and with intracellular IL-17A. The percentage of CD3 + CD4 + IL-17A + is represented (e). * P
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- Figure 6 Profile of T-lymphocytes stained with monoclonal antibody anti-CD3-FITCfollowed by treatment with propidium iodide (PI) and trypan blue (TB) at 0.002and 0.4% (w/v) or PBS (untreated control).
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- Figure 7 A , Percentage of dead human T-lymphocytes(CD3-FITC + cells) submitted to cell culture at temperatures (T)of 37degC (physiologic temperature) or 50degC (high-stress temperature) followed bystaining with trypan blue (TB) or propidium iodide (PI). B ,Dot-plot graph profile between human lymphocytes submitted to pretreatment withhigh-stress temperature (50degC) followed by staining with TB and PI andmonoclonal antibody anti-CD3-FITC + . C , Pearson'scorrelation test between dead CD3 + lymphocytes using PI and TB flowcytometry assays.
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- Figure 3 Functional analysis of NRTLV-delivered TALEN constructs. (a) Schematic vector design of I: LeGO-iTALEN-iG2 (wPRE), II: LeGO-iTALEN-iG2-wPRE-BGH-p(A) and III: LeGO-iTALEN-iG2-wPRE-SV40-p(A) 3 rd generation LVV derived from LeGO-system 11 . CMV = CMV-ie promoter; Delta (DeltaU3), R, U5 = elements of SIN-LTR, self-inactivating long terminal repeat; Psi = Psi , packaging signal; RRE = Rev response element; SFFV = promoter of spleen focus-forming virus; wPRE = Woodchuck hepatitis virus posttranscriptional regulatory element; IRES = internal ribosome entry site; eGFP = enhanced green fluorescent protein; p(A) = polyadenylation signal; BGH = bovine growth hormone; SV40 = simian virus 40. (b) Knockout of CCR5 in reporter cell line CCR5+/293T-cell clones were co-transduced with non-concentrated NRTLVs delivering different iTALEN-constructs with either no internal polyadenylation (p(A)) signal (iTALEN-wPRE), or internal BGH-p(A) (iTALEN-wPRE-BGH-p(A)) or SV40-p(A) (iTALEN-wPRE-SV40-p(A)) signals downstream of the wPRE-element, respectively. Mock-transduction and transduction of left or right TALEN-arms, only, served as negative controls (homodimers only). Measured for 3 independently produced vector preparations, each time in duplicates, *p
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- Fig. 4 T/NK cell clusters in NPC. a t-SNE plot showing 10 clusters of 17,263 T/NK cells (indicated by colors). b t-SNE plot, color coding for the expression of the marker genes (gray to red) for the indicated cell subtypes. c Average expression of selected T cell function-associated genes of naive markers, inhibitory receptors, cytokines and effector molecules, co-stimulatory molecules, and Treg markers in each cell cluster. d Potential developmental trajectory of CD4 + T cells ( n = 5694) inferred by analysis with Monocle 2. Arrows show the increasing directions of certain CD4 + T cell properties annotated with the signatures shown in e . e Traceplots of (left) CD4 + T cell activation signature along activation component and (right) terminal differentiation signature along terminal differentiation component for the CD4 + T cells. Cells are projected along the component, with the blue line indicating the moving average of the expression of signatures (a sliding window of length equal to 5% of the total number of CD4 + T cells was used), and the shaded area displaying SEM. Signatures used are presented in Supplementary information, Table S9 . f Potential developmental trajectory of CD8 + T cells ( n = 6975) inferred by analysis with Monocle 2. Arrows show the increasing directions of certain CD8 + T cell properties annotated with the signatures shown in g . g Traceplots (as in e ) of (left) CD8 + T cell activation signature along activation component and (right) terminal diffe
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- Fig. 6 The dense network and multiple regulatory immune responses in the TME of NPC. a Capacity for intercellular communication between malignant cells and immune cells. Each line color indicates the ligands expressed by the cell population represented in the same color (labeled). The lines connect to the cell types that express the cognate receptors. The line thickness is proportional to the number of ligands when cognate receptors are present in the recipient cell type. The loops indicate autocrine circuits. The map quantifies potential communication but does not account for the anatomical locations or boundaries of the cell types. b Detailed view of the ligands expressed by each major cell type and the cells expressing the cognate receptors primed to receive the signal. Numbers indicate the quantity of ligand-receptor pairs for each intercellular link. c - f Overview of selected ligand-receptor interactions of tumor cells ( c ), dysfunctional CD8 + T cells ( d ), macrophages ( e ), and the three types of DCs ( f , DC1, DC2, and DC3). P values are indicated by circle size, with the scale to the right (permutation test). The means of the average expression levels of interacting molecule 1 in cluster 1 and interacting molecule 2 in cluster 2 are indicated by color. Assays were carried out at the mRNA level but were used to extrapolate protein interactions. CD4T conv , conventional CD4 + T cell; CD8T, CD8 + T cell; CD8T dys , dysfunctional CD8 + T cell; DC, dendritic cell; GCB
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- Figure 2 T cell ontogenesis in extremely premature infants with and without severe brain injury (A) Principal coordinates analysis (PCoA)--biplot of sequestered cytokine and chemokine composition. Silhouette scoring identified 3 main cyto-Clusters (as indicated by different symbols). The shade of the symbols (gray to black) is determined by days post-delivery--the older the infant the darker the symbol. The size of the symbols is determined by the Kidokoro Score as assessed at term-equivalent age via cMRI--the higher the score the larger the symbol. Significantly correlated (p < 0.05) cytokines/chemokines are plotted as arrows. In addition, box plots next to PCoA show the range of combined values for burst suppression and variance of cranial oxygenation (BS/100 x VAR-cSO 2 ), as well as the range of Kidokoro Scores in the respective cyto-clusters (cyto-cluster 1, CC1; cyto-cluster 2, CC2; cyto-cluster 3, CC3). (B) Blood cytokine/chemokine concentrations in infants with (red) and without (blue) severe BI (3 days post-delivery, d3; 7 days post-delivery, d7; 28 days post-delivery, d28; 32 weeks of gestational age, w32; term-equivalent age = term). (C) Representative images illustrating the gating strategy for FACS analysis. Differently colored gates mark gating for respective cell populations. Magenta, untargeted; blue, T helper cells; orange, cytotoxic T cells; green, T regulatory cells; pink, gammadelta T cells. For box plots in (D) and (F-J), darker shade represents data from
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- Figure 2 Single-cell PCR delivers sequences of functional CMV-specific TCRs. (A) PBMCs from Donor 1 were recovered and stained with HLA-B7/pp65 417-426 multimers. Dot plot shows the further analyzed CD8 and MHC multimer double-positive cell population. Cells were pre-gated on live lymphocytes (propidium iodide-negative, and CD3-positive). (B) TCR SCAN as described in Figure 1 and agarose gel electrophoresis of the resulting PCR products was performed. The photography shows the agarose gel. Upper row shows alpha-chain products matched with the respective beta-chains in the lower row. White boxes indicate alpha- and matched beta-chain-products derived from identical single cell samples. (C) The table summarizes the V- D- J- segment type and amino acid sequences of TCRs identified from CMV-multimer positive T cells in Figure 2A . TCR1A was identified 11 times and TCR 1B was detected once. (D) MHC multimer-positive T cells from the same donor were in vitro expanded and six T cell clones were successfully maintained. All clones contained TCR1A as confirmed by PCR and sequencing. The left FACS plot shows HLA-B7/pp65 417-426 staining and the right FACS plot shows staining with an irrelevant MHC multimer. (E) PBMCs from donor 2 were recovered and stained with HLA-B8/IE-1 199-207 multimers. The dot plot shows the further analyzed CD8 and MHC multimer double-positive cell population. Cells were pre-gated on living lymphocytes (propidium iodide negative and CD3 positive). (F) TCR SCAN a
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- Figure 3 Characterization of a small diverse T cell repertoire and transgenic expression of detected TCRs. (A) PBMCs from donor 3 were stained with HLA-B8/IE-1 88-96 multimers. Dot plot shows the further analyzed CD8 and MHC multimer double-positive cell population. Cells were pre-gated on living lymphocytes (propidium iodide-negative and CD3-positive). (B) A PCR slide with single antigen-specific T cells from Figure 3A were FACS-isolated. TCR SCAN as described in Figure 1 and agarose gel electrophoresis of the resulting PCR products was performed. Upper row shows alpha-chain products matched with the respective beta-chains in the lower row. White boxes indicate samples alpha- and matched beta-chain-products derived from identical single cell samples. (C) The table summarizes the V- D- J- segment type and amino acid sequences of TCRs identified from CMV-multimer positive T cells in Figure 3A . In three independent experiments we identified nine different TCRs (TCR 3A-I) (D) Pie chart indicates the prevalence of identified TCRs from donor 3. Percentages represent incidence of respective TCR divided by total number of positive samples. (E) Sequences from TCR 3D, 3E and 3G were expressed in Jurkat76 T cells by retroviral gene transfer. Non-transduced (left FACS plot) and transduced Jurkat76 T cells were analyzed for expression of CD3 and MHC multimer binding.
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- Figure 5 lp36 contributes to the association of B. burgdorferi with specific populations of dendritic cells. Human PBMCs (4x10 6 ) were co-incubated with 4x10 7 GFP-tagged B31 (black bars), A3-M9 lp36- (white bars) or A3-M9 lp36-/lp36+ (cross-hatched bars) B. burgdorferi for 6 hours at 4degC or 37degC. The percentages of GFP + mDC1s (CD19 - CD3 - BDCA2 - BDCA1 + ) ( A ), pDCs (CD19 - CD3 - BDCA2 + BDCA1 - ) or ( B ) mDC2s (CD19 - CD3 - BDCA3 + BDCA2 - ) ( C ) were determined by multiparameter flow cytometry. Dot plots representing 500,000 collected events are provided to illustrate gating strategies (left). Column graphs represent the mean and standard deviation of three biological replicates (right). Statistical analysis was performed using a one-way ANOVA with a Tukey's post-test for multiple comparisons.
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- Decreased NF-kappaB activity prevents MSC-mediated inhibition of activated T-cell proliferation. (A) Immunolocalisation of p65 by confocal microscopy. MSCs transduced with either a control vector (MSC-pLVemp) or a vector containing shRNA for IKK-beta (MSC-IKK-betai) were co-cultured with stimulated T cells for 5 h. Scale bars represent 50 mum. Green: p65, blue: nuclei, red: T-cell activator beads. Images are representative of three independent experiments. (B) Expansion index of stimulated T cells cultured without MSCs (L) or co-cultured with MSC-pLVemp or MSC-IKK-betai. The expansion index was calculated from CFSE profiles. Data are shown as mean +- SD from three independent experiments. (C) Stimulated T cells (anti-CD3/antiCD28 beads) cultured without MSCs or co-cultured with MSC-pLVemp or MSC-IKK-betai were CFSE-labelled and proliferation was assessed by flow cytometry. Representative data form one sample analysed in (B). (D) Stimulated T cells cultured without MSCs or co-cultured with MSC-pLVemp or MSC-IKK-betai were analysed for the expression of CD69 and CD25 at the indicated time points by flow cytometry. Data are shown as mean +- SD from three independent experiments. *** p < 0.001, one-way ANOVA with Dunnett''s post-hoc test.
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- Decreased TNFR1 expression in MSCs prevents MSC-mediated inhibition of activated T-cell proliferation. (A) MSC-pLVemp, MSC-TNFR1i and MSC-TNFR2i were co-cultured for 5 h with activated PBMCs and immunolocalisation of p65 was performed using confocal microscopy. Images are representative of three independent experiments. Scale bar = 50 mum. Green: p65, blue: nuclei, red: T-cell activator beads. (B) Stimulated T cells (anti-CD3/anti-CD28 antibodies) were co-cultured with MSC-pLVemp, MSC-TNFR1i or MSC-TNFR2i and proliferation was measured by CFSE dilution using flow cytometry. Data are from one of the three representative experiments shown in (C). (C) Expansion index of stimulated T cells cultured without MSCs or co-cultured with MSC-pLVemp, MSC-TNFR1i or MSC-TNFR2i. Data are shown as mean +- SD of three samples pooled from three independent experiments. ** p < 0.01, one-way ANOVA with Dunnett''s post-hoc test.
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- Figure 6 Differential CD98 expression on T cells in CHB a ) Cumulative data depicting expression (MFI) of CD98 on CD3 + T cells (n=15, healthy controls; n=27, CHB). b ) Representative histogram showing CD98 MFI on peripheral CD3 + (PBMC) and intrahepatic CD3 + (IHL) from a subject with CHB, and the cumulative paired data (n=11, CHB). c ) Representative histogram showing CD98 MFI on global and HBV-specific CD8 + T cells (identified by e x vivo staining with a panel of HLA-A2/HBV peptide dextramers) and the cumulative data (n=7, CHB). d ) Representative example of identification of paired HBV- and CMV-specific CD8 + T cells using the relevant HLA-A2 dextramers and comparison of their CD98 MFI ex vivo (n=7, CHB). e ) Cumulative data showing CD98 MFI on CD3 + T cells post TCR stimulation (anti-CD3, anti-CD28) for 3 days in cRPMI with a further 24 hr in the presence of 1.14 mM L-arginine (concentration in RPMI1640), 50 muM L-arginine, or in the absence of L-arginine (L-arginine free) (n=20, healthy controls). f ) Co-expression of CD71 and CD98 on CD3 + T cells in the absence of L-arginine for 24 hr post TCR stimulation (n=15, healthy controls). g ) Uptake of radiolabelled amino acid (phenylalanine) in T cells post TCR stimulation, before culture varying concentrations of L-arginine for 24 hr. h ) Radiolabelled phenylalanine uptake in the presence or absence of the system-L inhibitor BCH (10 mM) +- L-arginine deprivation (n=3, healthy controls). Error bars represent the mean +- SEM
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- Figure 2 T FR expansion in lymphoid tissues during chronic SIV infection. ( a ) Disaggregated lymph node and spleen cells from SIV uninfected ( n =9) or chronically SIV-infected rhesus macaques ( n =11) were analysed by flow cytometry. Representative examples of flow cytometry gating are shown. Of viable CD3 + CD8 - cells, follicular subsets were defined as CXCR5 + cells (F) and germinal centre subsets were defined as CXCR5 hi PD-1 hi cells (GC). Of these subsets, regulatory cells were defined as CD25 hi CD127 - . T FR (CXCR5 + CD25 hi CD127 - ) were Foxp3 + , whereas T FH (CXCR5 + CD25 lo/- ) were Foxp3 - . ( b ) The percentages of each rhesus macaque regulatory subset, as analysed in a are shown. ( c ) The ratios of each regulatory cell population to its non-regulatory cell counterpart are shown. ( d ) The percentage of total CTLA-4 expression is shown in SIV-uninfected ( n =9) and chronically SIV-infected ( n =8) rhesus macaques. The horizontal bars of each graph indicate the median value and are listed where appropriate for clarity. Statistical analyses were performed by Mann-Whitney (Wilcoxon) tests to compare unpaired, nonparametric values and significance is denoted by asterisks where * P
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- Figure 3 HIV entry and replication promote T FR expansion. Disaggregated tonsil cells were spinoculated with X4 or R5 HIV and T FR populations were analysed by flow cytometry ( n =15). ( a ) A representative example of tonsil cell flow gating. From viable CD3 + CD8 - cells, T FR are defined as CXCR5 + and CD25 hi CD127 - . T FR cells contain Foxp3 + cells, whereas remaining T FH (CXCR5 + CD25 lo/- ) cells are Foxp3 - . ( b ) Percentages of T FR determined by gating strategies in a are shown. Experimental conditions include mock-spinoculated cells cultured with PMA (50 ng ml -1 ) and ionomycin (1 mug ml -1 ) or exogenous TGF-beta (100 ng ml -1 ) for 24 h and cells pretreated to block CXCR4 (AMD, 200 muM) and CCR5 (MVC, 2 muM). ( c ) Using flow cytometry counting beads, the number of cells per mul were determined for total (CD3 + CD8 - ), T FH (CXCR5 + CD25 lo/- ) and T FR (CXCR5 + CD25 hi CD127 - ) subsets in mock- and X4-spinoculated samples ( n =3). ( d ) Bcl-6 expression is shown in CXCR5- (grey), T FH (blue) and T FR (red) populations after mock-, X4- or R5-spinoculation ( n =5). ( e ) Blimp-1 expression was also determined as in d . The horizontal bars of each graph indicate the median value and are listed where appropriate for clarity. Statistical analyses were performed by Friedman nonparametric tests ( b , d , e ) and significance is denoted by asterisks where * P
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- Figure 3. Phenotype and endogenous TCR expression of CD34 + HPC-derived transgenic AR + T cells. Flow cytometric analysis of the AR-transgenic T cells. (A) CAR-transgenic GFP + cells of cultures transduced to express either the CAR:zeta or the CAR:28zeta were analyzed on day 26 of OP9-DL1 culture for CD3 and TCRalphabeta expression. As a control, GFP - cells are shown from the OP9-DL1 culture transduced to express the CAR:zeta ( N = 5). (B) Dot plots show CD3 expression of cells from the OP9-DL1 cultures transgenic for the wtTCR, TCR:zeta and TCR:28zeta. Vbeta14 staining is used to mark transgene expression, as no GFP is expressed by the transgenic cells ( N = 5). (C) Surface and cytoplasmic staining for CD3 of in vitro generated mature T cells that were expanded for one cycle on feeder cells in the presence of cytokines. (D) Expression of various membrane markers by the CD27 + CD1a - mature T cells at the end of OP9-DL1 culture (46 d) ( N = 2). (E) Day 0: fresh cord blood after MACS CD34 enrichment sorted using the sorting window shown. Day 13: cord blood cells cultured on OP9-DL1 were sorted for CD5 CD7 double positive cells, using the indicated sorting window. The cells were then transduced to express CAR:28zeta and further differentiated on OP9-DL1 feeder layer. Day 21: analysis of the transgenic GFP + cultured cells for DP cells and CD27 + CD1a - mature cells. (F) Flow cytometric analysis of GFP + CAR:28zeta-transgenic cultures, gated on GFP + CD27 + CD1a - mature AR + c
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- Figure 3 Naive CD4 + T cells are converted to functional Tregs by tumor-infiltrating DCs and tumor conditioned medium (CM). (A-C) Naive CD4 + T cells from peripheral blood of patients with invasive breast carcinoma were co-cultured with or without autologous pDCs isolated from tumor (TI) or peripheral blood (PB) for 9 days in the presence or absence of 30% CM from autologous tumor slices or adjacent normal tissue slices. (A , B) Non-adherent cells from co-cultures were stained for CD3, CD4, CD25 and intracellular Foxp3, and analyzed by flow cytometry. Representative plots of gated CD3 + CD4 + cells (A) and quantification of percentage of Foxp3 + CD25 + cells among CD3 + CD4 + cells (B) are shown (mean +- SEM, n = 19; * P < 0.05, ** P < 0.01, *** P < 0.001 by Student's t -test). (C) Expression of Treg-associated genes, assessed by qRT-PCR normalized to GAPDH , in sorted CD4 + T cells, relative to expression in cultures without DCs or CM (mean +- SEM, n = 19; * P < 0.05, ** P < 0.01, *** P < 0.001 compared with naive CD4 + T cells cultured alone by Student's t -test). (D-G) Effect of naive CD4 + T cell-derived Tregs, obtained by co-culture with TI pDCs and tumor CM as above, on function of autologous tumor-specific CD8 + T cells. Tumor-specific CD8 + T cells were generated for each subject by stimulating autologous PB CD8 + T cells with autologous tumor lysate-pulsed autologous DCs. Tregs were recovered from co-cultures by magnetic sorting. (D) CFSE-labeled CD8 + T ce
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- Figure 6 In vivo knockdown of PITPNM3 in CD4 + T cells reverses immunosuppression and inhibits tumor progression in humanized mice. (A) Humanized mice bearing palpable MDA-MB-231 orthotopic xenografts were intraperitoneally injected daily for 14 days with PBS, 1 nmol CD4-aptamer-control siRNA (AsiC-con) or CD4-aptamer-siRNA targeting PITPNM3 (sequence in A , AsiC-PI) to assess the role of PITPNM3 in TI Tregs, and other T cells and tumor control. Experimental schematic is provided in Supplementary information, Figure S9A . (B) Representative immunoblots showing selective knockdown of PITPNM3 protein in PB CD4 + T cells, but not tumor xenografts ( n = 3). (C) PITPNM3 knockdown did not affect the distribution of human CD45 + hematopoietic cells, CD4 + and CD8 + T cells, and CD14 + monocytes in the peripheral blood of humanized mice. Representative flow plots are shown ( n = 3). (D , E) Effect of PITPNM3 knockdown on TI naive CD4 + , Tregs and CD8 + T cell numbers, and apoptosis by TUNEL assay in xenografts. D shows representative immunofluorescence microscopy images. Top row indicates CD4 + naive T cells by arrows; the second row indicates CD4 + CD45RO + Foxp3 - CD4 + memory T cells (yellow arrows) and Foxp3 + Tregs (white arrows). Scale bar, 50 mum. E shows number of cells of each subtype/high power field in eight mice ( ** P < 0.01, *** P < 0.001 compared to PBS group by Student's t -test). (F) Flow cytometry analysis of gated human CD3 + CD4 + cells isolated from xenogra
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- Figure 7 CD4-aptamer-siRNA targeting PITPNM3 reduces TI Tregs and inhibits tumor progression in humanized mice with circulating human Tregs. Humanized mice, implanted with MDA-MB-231 tumors and concurrently injected intravenously with autologous Tregs, were intraperitoneally injected daily for 14 days after tumors became palpable with PBS, 1 nmol CD4-aptamer-control siRNA (AsiC-con) or CD4-aptamer-siRNA targeting PITPNM3 to assess the role of PITPNM3 in TI Tregs, and other T cells and tumor control. Tregs were administered every 10 days after the initial injection and mice were sacrificed 30 days after tumor cell inoculation. (A) Experimental schematic. (B , C) Peripheral blood cells of humanized mice were stained for human CD3, CD4 and Foxp3, and analyzed by flow cytometry. A representative flow plot (B) and the percentage (mean +- SEM) of PB CD4 + cells that are CFSE + Tregs in six mice per group (C) are shown. (D , E) Isolated cells from xenografts were stained for human CD3, CD4 and Foxp3. The percentage (mean +- SEM) of six mice per group (D) and representative flow plot (E) of FoxP3 + Tregs are shown. Most Tregs were CFSE - (i.e., did not come from infused Tregs) and the number of TI Tregs was reduced by knocking down PITPNM3 in CD4 + T cells ( *** P < 0.001 compared to the PBS group by Student's t -test). (F) Tumor size (mean +- SEM, n = 6 per group; *** P < 0.001 by two-way ANOVA with Bonferroni multiple comparison tests). (G) Lung metastases assessed by qRT-PCR
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- Figure 7 Absence of ARPC1B alters surface expression of CD8 and GLUT1 in hCTLs. (A-D) HD and ARPC1B-deficient patient hCTLs were fixed in PFA for 20 minutes, permeabilized, and stained with an antibody against CD8 alone (green) ( A and B ) or in combination with anti-GLUT1 (red) and anti-EEA1 (white) antibodies ( C and D ). Images are 3D reconstructions of Z -stack. Scale bars: 4 mum. ( E ) Measurement of the mean intensity of GLUT1 expressed in AU and the degree of colocalization with EEA1 expressed as PCC (see Methods) in HD and ARPC1B-deficient patient hCTLs based on images as sampled in C and D . HD, n = 41 cells; ARPC1B-deficient patient, n = 38 cells. P < 0.005 (unpaired t test). ** P < 0.0013; *** P < 0.0002. ( F ) Flow cytometry analysis of the proliferation capacity of HD and ARPC1B-deficient patient hCTLs (gated on live CD8 + cells) in the absence (blue) or presence (red) of plate-bound anti-CD3 stimulation (1 mug/mL). All data are representative of 3 independent experiments.
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- Figure 5 CD169, as an HIV-1 receptor, mostly impacts transfer from mature MDDCs rather than immature MDDCs. (A) Flow cytometry plots showing CD86, DC-SIGN, and CD169 expression levels on MDDCs (pre-gated on SSC FSC, living cells, CD3 - cells and singlets). Panels show the expression of these proteins in iMDDCs (left panel) and MDDCs with LPS pretreatment at 100 ng/ml for 48 or 24 h before co-culture (middle and right panels, respectively). (B) Percentage of variation of HIV-1 transfer when using iMDDCs or LPS-treated MDDCs (100 ng/ml LPS for different lengths of time) incubated with a blocking antibody against CD169 as compared to an isotype control for each condition. Results are displayed for 4 different blood donors with the mean +- SD of technical triplicates. (C) Percent of variation in HIV-1 transfer to assess the impact of blocking CD169 and TSPAN7 knockdown as compared to scramble shRNA on MDDCs matured with LPS for 48 h treated by an isotype control. Mean +- SD of seven different blood donors in 4 experiments. (B,C) NS, not significant. ** p < 0.01; *** p < 0.001. (D) Confocal microscopy images of iMDDCs (left panel) and mature MDDCs (mMDDCs) right panel, to assess the degree of colocalization between CD169 (magenta) and incoming X4-HIV-1-Gag-iGFP (green). Actin filaments and nuclei were stained with phalloidin (red) and DAPI (blue). Four hundred nanometers of Z-stacks were taken 40 h after the start of the co-culture with CD4 + T cells and X4-HIV-1-Gag-iGFP. The pic
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- Fig. 5 Infiltrating myeloid cells inhibit T cell functionality in residual tumors. a Flow cytometric analysis of CD11b + , CD3 + and the ratio of CD3 + /CD11b + in the untreated and iRFA-treated CT26 and MC38 tumors on day 3 and day 9 ( n = 5). b Flow cytometric analysis of CD8 + and CD4 + FoxP3 + cells and the ratio of CD8 + /CD4 + FoxP3 + in the untreated and iRFA-treated CT26 and MC38 tumors on day 3 and day 9 ( n = 5). c Flow cytometric analysis and quantification of granzyme B, IFN-gammaand PD-1 expression in CD8 + cells in the untreated and iRFA-treated CT26 and MC38 tumors on day 3 and day 9 ( n = 5). d In vitro suppressive activity of tumor-infiltrating CD11b + cells purified from spleen or CT26 residual tumors on day 3 after iRFA. Representative histograms of CD8 + T cell proliferation at a ratio of 1:1 CD8 + to CD11b + T cells and percent CD8 + T cell proliferation ( n = 5). e - g CD11b + cells isolated from the residual tumor were mixed with CT26 or MC38 tumor cells and transferred into recipient mice. e Adoptive transfer method. f Growth curve of tumor (one-sided ANOVA test, *** P < 0.001, n = 5). g Flow cytometric analysis and quantification of CD3 + CD8 + cells (gate on single live cells) and Granzyme B expression and IFN-gamma on CD8 + cells ( n = 5). Data represent cumulative results from 1/2 independent experiments with 5 mice/group. The data are represented as mean +- SEM. Statistical differences between pairs of groups were determined by a two-tailed Studen
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- Fig. 8 CCL2/CCR2 blockade inhibits tumor progression and overcomes resistance to anti-PD-1 therapy. a - f iRFA treatment was performed in CT26 and MC38 colon cancer models as shown in Fig. 2a . Anti-PD-1 mAb (200 mug, clone: J43) was administered through intraperitoneal injection to mice every 3 days for a total of four times. The CCR2 antagonist (CCR2a) (RS504393, Tocris) was given subcutaneously at a dose of 5 mg/kg twice per day for 9 days. a Growth curve of the CT26 and MC38 residual tumor (one-sided ANOVA test, n = 8). b The weight of the residual CT26 and MC38 tumor examined on day 14 after iRFA by dissection of the mice ( n = 6). c The number of metastases examined on day 14 after iRFA by dissection the mice ( n = 6). d Kaplan-Meier survival curves are shown, and the log-rank test was performed ( n = 8). e Flow cytometric analysis and quantification of CD3 + and CD8 + infiltration (gate on single live cells) in residual CT26 tumors. f Granzyme B and IFNgamma expression on CD8 + cells in residual CT26 tumors. (gate on CD8 + cells) ( n = 5). g , h iRFA treatment was performed in mice bearing wild type and CCL2 -/- CT26 or MC38 tumor. g Growth curve of the CT26 and MC38 residual tumor (one-sided ANOVA test, n = 5). h Kaplan-Meier survival curves are shown, and the log-rank test was performed ( n = 8). Data represent results from 1/2 independent experiments. The data are represented as mean +- SEM. Statistical differences between pairs of groups were determined by a two-ta
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- FIG. 1. CD28SA-activated CD4 + T EMs display a hyperactive phenotype. (A) Size (FSC) and granularity (SSC) were quantified by flow cytometry. FSC and SSC were measured on purified human CD4 + T EMs stimulated with anti-CD3 or CD28SA for 48 hours. Percentages +- SD indicate T cell blasts. The data are representative of four independent experiments. (B) Human CD4 + T EMs were stimulated with the indicated concentrations of plate-bound antibodies (anti-CD3 or NIB1412) and proliferation was measured 3 days postactivation by 3 H-labeled thymidine incorporation. The vertical axis represents mean cpm +- SD from triplicate wells. The data are representative of four independent experiments (** p < 0.01; unpaired, two-tailed Student's t -test). NIB1412-CD28SA. CD28SA, CD28 superagonist; cpm, counts per minute; FSC, forward scatter; SD, standard deviation; SSC, side scatter; T EMs , effector memory T cells.
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- FIG. 2. CD28SA stimulation maximizes OXPHOS potential. (A) OCR (pMoles/min) of preactivated human CD4 + T EMs were measured using the seahorse XF96 extracellular flux analyzer in real time, under basal conditions and in response to sequential addition of Oligomycin (1 muM), 2,4-DNP (160 muM), and antimycin A and rotenone (1 muM). Mean OCR values representing basal respiration and ATP production are presented as bar charts. The bars represent the mean +- SD. The data are representative of three independent experiments (** p < 0.01; unpaired, two-tailed Student's t -test). (B) IF images of mitochondria. IF images show anti-CD3- and CD28SA-stimulated human CD4 + T EMs stained with MitoTracker (red) and Hoechst (blue); far right quadrant represents merged image of the two stains; scale bars represent 10 mum. (C) Mitochondria were stained with MitoTracker Deep Red or (D) MitoSOX Red Mitochondrial Superoxide Indicator, and the staining intensities were quantified by flow cytometry. Data represent the mean +- SD percentage of cells staining positive for mitochondria, oitoROS, with the mean percentage of mitoROS present in activated CD4 + T EMs . Mean +- SD were obtained from three independent experiments (** p < 0.01; unpaired, two-tailed Student's t -test). (E) Human CD4 + T EMs were stimulated with the indicated concentrations of plate-bound antibodies (anti-CD3 or NIB1412) and incubated in normoxic (20% O 2 ) or hypoxic (5% O 2 ) conditions. Proliferation was measured 3 days post
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- FIG. 3. CD28SA stimulation maximizes glucose utilization. (A) ECAR (mpH/min) of preactivated human CD4 + T EMs were measured using the seahorse XF96 extracellular flux analyzer in real time, under basal conditions, and in response to sequential addition of glucose (10 mM), Oligomycin (1 muM), and 2-DG (100 mM). Mean ECAR values representing glycolysis and glycolytic reserve are presented as bar charts. The bars represent the mean +- SD. The data are representative of three independent experiments (** p < 0.01; unpaired two-tailed t -test). (B) Immunofluorescence images show anti-CD3- and CD28SA-stimulated human CD4 + T EMs at 48 hours postactivation stained with anti-GAPDH (green) and DAPI (blue); scale bars represent 10 mum. Far right quadrant represents merged image of the two stains. (C) Human CD4 + T EMs were stimulated with anti-CD3 or CD28SA for 48 hours. Cells were then incubated with 2-NBDG for 30 mins and the amount of 2NBDG uptake (i) was measured by flow cytometry, with the mean percent of 2-NBDG-positive CD4 + T EMs presented in a bar graph. The bars represent the mean +- SD from three different experiments (** p < 0.01; unpaired two-tailed t -test). Cells were also stained for Glut1 expression (ii) . The data are representative of three independent experiments. (D) Basal ECAR and OCR of preactivated human CD4 + T EMs were measured using the seahorse XF96 extracellular flux analyzer in real time, with the (i) ECAR/OCR ratio presented as
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- FIG. 4. CD28SA activation induces de novo lipogenesis. (A) OCR (pMoles/min) of preactivated human CD4 + T EMs were measured using the seahorse XF96 extracellular flux analyzer in real time, under basal conditions, and in response to sequential addition of Oligomycin (1 muM), 2,4-DNP (160 muM) and antimycin A and rotenone (1 muM). Etomoxir (200 muM) or medium was injected after 2,4-DNP injection. The SRC (quantitative difference between maximal uncontrolled OCR +- etomoxir treatment and initial basal OCR) was calculated and presented as the percentage contribution of FAO to SRC in bar charts. The bars represent mean +- SD. The data are representative of three independent experiments (** p < 0.01; unpaired two-tailed t -test). (B) Immunofluorescence images show (i) anti-CD3- and CD28SA-stimulated CD4 + T EMs at 48 hours postactivation stained with LipidTOX (green) and DAPI (blue); scale bars represent 10 mum. Far bottom quadrant represents merged image of the two stains. (ii) LipidTOX staining was quantified by flow cytometry. Data represent the mean percent of cells +- SD ( n = 3) staining positive for neutral lipids. (C-i) Relative levels of acetyl-CoA in anti-CD3- and NIB1412-stimulated T EMs at 48 hours postactivation; mean +- SD of triplicates (** p < 0.01). (ii) Expression of p-ACC (250 kDa) and p-ACL (125 kDa) by western blot. (iii) Expression of p-ACC with IL-2 condition, in anti-CD3- and NIB1412-stimulated T EMs at 48 hours postactivation, and
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- Figure 1 Proliferating Cells in LCH Granuloma are Mostly Endothelial Cells, Fibroblasts, and T Cells Paraffin-embedded and frozen sections were stained with antibodies against Ki-67 (which label proliferating cells), CD1a (LCs), CD3 (T cells), CD20 (B cells), CD68, CD31, and CD34 (endothelial cells). (A) Double immunostaining of paraffin-embedded section from LCH eosinophilic granulomas with anti-Ki-67 Ab, (brown nuclear staining) and with anti-CD1a Ab (upper images, blue staining) or anti-CD3 Ab (lower images, blue staining). Open arrowheads indicate double-stained cells, black arrowheads indicate Ki-67 + cells with an endothelial morphology. (B) Histogram represents percentage of CD1a + cells and of CD3 + cells labeled with Ki-67 ( n = 15). (C) Histogram represents percentage of proliferating cells (Ki-67 + ) that express CD1a, CD3, CD20, or CD68 ( n = 15). (D) Histogram represents percentage of proliferating cells (Ki-67 + ) that are endothelial cells, interstitial cells (fibroblasts), and other types based on morphological examination. (E) Immunolabeling of blood vessels on paraffin-embedded section from LCH eosinophilic granulomas with CD34 (left) and CD31 (right) antibodies. (F) Proliferating Ki-67 + cells (brown nuclear staining) with a fibroblast-cell morphology in an eosinophilic granuloma.