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CD3 antibody | UCHT1

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MCA463EL
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SDS Safety Datasheet SDS
C F FN 0.5 mg loader
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loader

Mouse anti Human CD3 antibody, clone UCHT1 recognizes the human T-cell surface glycoprotein CD3 epsilon chain, also known as T-cell surface antigen T3/Leu-4 epsilon chain or CD3ε. CD3ε is a 207 amino acid, ~21kDa single pass type 1 transmembrane protein containing a single Ig-like and a single ITAM domain. Mouse anti Human CD3 antibody, clone UCHT1 was originally described as only binding to CD3ε when complexed with either the CD3δ or CD3γ subunits, as indicated by co-transfection immunofluorescence on COS cells (Salmerón et al. 1991). Mouse anti Human CD3 antibody, clone UCHT1 binds to a region in the ectodomain of human CD3ε and binds to a discontinuous epitope near an acidic region of CD3ε opposite the dimer interface; as shown by crystallography of the CD3ε/δ dimer complexed with a single chain UCHT1 antibody fragment (Arnett et al. 2004).

CD3 is expressed by all T lymphocytes and is seen in all lymphoid organs including lymph nodes and spleen. It is involved in thymocyte differentiation (Brodeur et al. 2009). Deficiency of the CD3ε chain contributes to blocking T-cell development and presentation of a severe combined immunodeficiency phenotype (Fischer et al. 2005).

Mouse anti Human CD3 antibody, clone UCHT1 has been used successfully for the activation of human peripheral blood lymphocytes by cross linking and subsequently for CD3ε surface expression by flow cytometry (Hirsh and Cohen 2006).

Target Species
Human
Species Cross-Reactivity
Target SpeciesCross Reactivity
Chimpanzee
N.B. Antibody reactivity and working conditions may vary between species.
Product Form
Purified IgG - liquid
Preparation
Purified IgG prepared by affinity chromatography on Protein A from tissue culture supernatant
Buffer Solution
Phosphate buffered saline
Preservative Stabilisers
None present
Carrier Free
Yes
Immunogen
Human infant thymocytes and lymphocytes from a patient with Sezary Syndrome.
Approx. Protein Concentrations
IgG concentration 1mg/ml
Endotoxin Level
< 0.01 EU/ug
Fusion Partners
Spleen cells from immunized BALB/c mice were fused with cells of the P3/NS1/1-Ag4-1 mouse myeloma cell line.
Regulatory
For research purposes only
Guarantee
12 months from date of despatch

Store at -20oC only.

This product should be stored undiluted.

Storage in frost-free freezers is not recommended. Avoid repeated freezing and thawing as this may denature the antibody. Should this product contain a precipitate we recommend microcentrifugation before use.

This product has been reported to work in the following applications. This information is derived from testing within our laboratories, peer-reviewed publications or personal communications from the originators. Please refer to references indicated for further information. For general protocol recommendations, please visit the antibody protocols page.
Application Name Verified Min Dilution Max Dilution
Flow Cytometry 1/50 1/100
Functional Assays
Immunohistology - Frozen
Where this antibody has not been tested for use in a particular technique this does not necessarily exclude its use in such procedures. Suggested working dilutions are given as a guide only. It is recommended that the user titrates the antibody for use in their own system using appropriate negative/positive controls.
Flow Cytometry
Use 10ul of the suggested working dilution to label 100ul of whole blood.

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References for CD3 antibody

  1. Beverley, P.C. & Callard, R.E. (1981) Distinctive functional characteristics of human "T" lymphocytes defined by E rosetting or a monoclonal anti-T cell antibody.
    Eur J Immunol. 11 (4): 329-34.
  2. Clevers, H. et al. (1988) The transmembrane orientation of the epsilon chain of the TcR/CD3 complex.
    Eur J Immunol. 18 (5): 705-10.
  3. Salmerón, A. et al. (1991) A conformational epitope expressed upon association of CD3-epsilon with either CD3-delta or CD3-gamma is the main target for recognition by anti-CD3 monoclonal antibodies.
    J Immunol. 147: 3047-52.
  4. Hirsh, M.I. and Cohen, V. (2006) Chloroquine prevents T lymphocyte suppression induced by anthrax lethal toxin.
    J Infect Dis. 194: 1003-7.
  5. Mahon, N.G. et al. (2002) Immunohistologic evidence of myocardial disease in apparently healthy relatives of patients with dilated cardiomyopathy.
    J Am Coll Cardiol. 39: 455-62.
  6. Lawson, C.A. et al. (2006) Early rheumatoid arthritis is associated with a deficit in the CD4+CD25high regulatory T cell population in peripheral blood.
    Rheumatology (Oxford). 45: 1210-7.
  7. Battaglia, A. et al. (2003) Lymphocyte populations in human lymph nodes. Alterations in CD4+ CD25+ T regulatory cell phenotype and T-cell receptor Vbeta repertoire.
    Immunology. 110: 304-12.
  8. McIntosh, R.S. et al. (1997) Analysis of the T cell receptor V alpha repertoire in Hashimoto's thyroiditis: evidence for the restricted accumulation of CD8+ T cells in the absence of CD4+ T cell restriction.
    J Clin Endocrinol Metab. 82: 1140-6.
  9. View The Latest Product References
  10. Aird, I.A. et al. (1999) Leukocytes in semen from men with spinal cord injuries.
    Fertil Steril. 72: 97-103.
  11. Hirsh, M.I. et al. (2006) Ultrastructural features of lymphocyte suppression induced by anthrax lethal toxin and treated with chloroquine
    Lab Invest. 87: 182-8.
  12. Guntermann, C. and Alexander, D.R. (2002) CTLA-4 suppresses proximal TCR signaling in resting human CD4(+) T cells by inhibiting ZAP-70 Tyr(319) phosphorylation: a potential role for tyrosine phosphatases.
    J Immunol. 168: 4420-9.
  13. Baturcam, E. et al. (2014) Physical exercise reduces the expression of RANTES and its CCR5 receptor in the adipose tissue of obese humans.
    Mediators Inflamm. 2014: 627150.
  14. Clark, E.A. et al. (1983) Evolution of epitopes on human and nonhuman primate lymphocyte cell surface antigens.
    Immunogenetics. 18 (6): 599-615.
  15. Erber, W.N. et al. (1984) Immunocytochemical detection of T and B cell populations in routine blood smears.
    Lancet. 1 (8385): 1042-6.
  16. Mjösberg, J. et al. (2009) Systemic reduction of functionally suppressive CD4dimCD25highFoxp3+ Tregs in human second trimester pregnancy is induced by progesterone and 17beta-estradiol.
    J Immunol. 183: 759-69.
  17. Hess, C. et al. (2000) Induction of neutrophil responsiveness to myeloperoxidase antibodies by their exposure to supernatant of degranulated autologous neutrophils.
    Blood. 96: 2822-7.
  18. Choudhuri, K. et al. (2009) Peptide-major histocompatibility complex dimensions control proximal kinase-phosphatase balance during T cell activation.
    J Biol Chem. 284: 26096-105.
  19. Dong, D. et al. (2006) T cell receptor for antigen induces linker for activation of T cell-dependent activation of a negative signaling complex involving Dok-2, SHIP-1, and Grb-2.
    J Exp Med. 203: 2509-18.
  20. Libri, V. et al. (2008) Jakmip1 is expressed upon T cell differentiation and has an inhibitory function in cytotoxic T lymphocytes.
    J Immunol. 181: 5847-56.
  21. Churchman, S.M. et al. (2014) Modulation of peripheral T-cell function by interleukin-7 in rheumatoid arthritis.
    Arthritis Res Ther. 16 (6): 511.
  22. Ward, S.T. et al. (2015) The effects of CCR5 inhibition on regulatory T-cell recruitment to colorectal cancer.
    Br J Cancer. 112 (2): 319-28.
  23. Saavedra, D. et al. (2016) Biomarkers related to immunosenescence: relationships with therapy and survival in lung cancer patients.
    Cancer Immunol Immunother. 65 (1): 37-45.
  24. Bhat, S.S. et al. (2016) Syntaxin 8 is required for efficient lytic granule trafficking in cytotoxic T lymphocytes.
    Biochim Biophys Acta. 1863 (7 Pt A): 1653-64.
  25. Hasib, L. et al. (2016) Functional and homeostatic defects of regulatory T cells in patients with coronary artery disease.
    J Intern Med. 279 (1): 63-77.
  26. Siska, E.K. et al. (2017) Generation of an immortalized mesenchymal stem cell line producing a secreted biosensor protein for glucose monitoring.
    PLoS One. 12 (9): e0185498.
  27. Suárez, G.M. et al. (2021) Associations among cytokines, EGF and lymphocyte subpopulations in patients diagnosed with advanced lung cancer.
    Cancer Immunol Immunother. 70 (6): 1735-43.
  28. Robinson, H. et al. (2022) The effect of expressive writing on wound healing: Immunohistochemistry analysis of skin tissue two weeks after punch biopsy wounding.
    J Psychosom Res. 161: 110987.
  29. Zenere, A. et al. (2023) Prominent epigenetic and transcriptomic changes in CD4(+) and CD8(+) T cells during and after pregnancy in women with multiple sclerosis and controls.
    J Neuroinflammation. 20 (1): 98.
  30. Hellberg, S. et al. (2021) Progesterone Dampens Immune Responses in In Vitro Activated CD4(+) T Cells and Affects Genes Associated With Autoimmune Diseases That Improve During Pregnancy.
    Front Immunol. 12: 672168.

Further Reading

  1. Clevers, H. et al. (1988) The T cell receptor/CD3 complex: a dynamic protein ensemble.
    Annu Rev Immunol. 6: 629-62.
  2. Arnett, K.L. et al. (2004) Crystal structure of a human CD3-epsilon/delta dimer in complex with a UCHT1 single-chain antibody fragment.
    Proc Natl Acad Sci U S A. 101: 16268-73.

Flow Cytometry

Functional Assays

Immunofluorescence

RRID
AB_323900
UniProt
P07766
Entrez Gene
CD3E
GO Terms
GO:0004888 transmembrane receptor activity
GO:0005057 receptor signaling protein activity
GO:0005887 integral to plasma membrane
GO:0007172 signal complex assembly
GO:0007186 G-protein coupled receptor protein signaling pathway
GO:0009897 external side of plasma membrane
GO:0017124 SH3 domain binding
GO:0019901 protein kinase binding
GO:0030159 receptor signaling complex scaffold activity
GO:0031295 T cell costimulation
GO:0042608 T cell receptor binding
GO:0046982 protein heterodimerization activity
GO:0050852 T cell receptor signaling pathway

MCA463EL

160245 1806

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