TDS | SDS

The 145-2C11 antibody is specific for mouse CD3e, also known as CD3 epsilon, a 20 kDa subunit of the T cell receptor complex, along with CD3 gamma and CD3 delta. These integral membrane protein chains assemble with additional chains of the T cell receptor (TCR), as well as CD3 zeta chain, to form the T cell receptor – CD3 complex. Together with co-receptors CD4 or CD8, the complex serves to recognize antigens bound to MHC molecules on antigen-presenting cells. Such interactions promote T cell receptor signaling (T cell activation) and can result in a number of cellular responses including proliferation, differentiation, production of cytokines or activation-induced cell death. CD3 is differentially expressed during thymocyte-to-T cell development and on all mature T cells.

The 145-2C11 antibody is a widely used phenotypic marker for mouse T cells. In addition, binding of 145-2C11 antibody to CD3e can induce cell activation. A recent publication of the crystal structure of a murine CD3e-mitogenic antibody complex provides further insight into the action of commonly used agonist antibodies (Fernandes, R.A. et al. 2012. J. Biol. Chem. 287: 13324-13335).

Recent Publications:

Kim E, Paik D, Ramirez RN, Biggs DG, Park Y, Kwon HK, Choi GB, Huh JR. Maternal gut bacteria drive intestinal inflammation in offspring with neurodevelopmental disorders by altering the chromatin landscape of CD4+ T cells. Immunity. 2021 Nov 30:S1074-7613(21)00496-9. doi: 10.1016/j.immuni.2021.11.005. Epub ahead of print. PMID: 34879222.

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Mohammadi MR, Rodriguez SM, Luong JC, Li S, Cao R, Alshetaiwi H, Lau H, Davtyan H, Jones MB, Jafari M, Kessenbrock K, Villalta SA, de Vos P, Zhao W, Lakey JRT. Exosome loaded immunomodulatory biomaterials alleviate local immune response in immunocompetent diabetic mice post islet xenotransplantation. Commun Biol. 2021 Jun 3;4(1):685. doi: 10.1038/s42003-021-02229-4. PMID: 34083739; PMCID: PMC8175379.

» View on Communications Biology

Castillo-González R, Cibrian D, Fernández-Gallego N, Ramírez-Huesca M, Saiz ML, Navarro MN, Fresno M, Fuente H, Sánchez-Madrid F. Galectin-1 expression in CD8+ T lymphocytes controls inflammation in contact hypersensitivity. J Invest Dermatol. 2020 Nov 9:S0022-202X(20)32281-8. doi: 10.1016/j.jid.2020.10.020. PMID: 33181141.

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Name	Purified Anti-Mouse CD3e (145-2C11)
Cat. No.	70-0031
Alternative Names	CD3 epsilon
Gene ID	12501
Clone	145-2C11
Isotype	Armenian Hamster IgG
Reactivity	Mouse
Format	Purified
Application	Flow Cytometry, IF, IHCF, IP, Western Blot

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