QR4, Rb, 0.1 ml Conc.

Technische Daten
Reaktivität AK:Human, NO reactivity with mouse, others not tested.
Format AK:Concentrate
Immunogen:Synthetic peptide of human CD3 epsilon
Anwendung AK:IHC(p),IHC(f)
Fixierung:1) NOTOXhisto 2) Formalin
Zelluläre Lokalisation:Membranous
Lagerung AK:Store at 2 - 8 °C. Do not use after expiration date indicated on the vial.
Synonyme:T-cell surface glycoprotein CD3 epsilon chain, IMD18, T3E, TCRE, CD3e molecule
Verfügbar in folgenden Ländern:world wide (except US)

CD3 is a protein complex that is composed of five chains (gamma, delta, epsilon, zeta, eta) which associate with the T-cell receptor (TCR). CD3e, also known as T-cell surface glycoprotein CD3 epsilon chain, is a membrane protein that plays a role in TCR-CD3 complex assembly and signal transduction regulating T-cell proliferation, apoptosis and thymocyte development. Some signal transducing molecules recruited by CD3e are oncogenic leading to disturbance in CD3e signaling. Overexpression of CD3e is associated with high incidence of T-cell lymphomas whereas no lymphomas were detected at low or absent CD3e expression. Defects in CD3e are linked to immunodeficiency.
CD3e (QR4) may be helpful in detection of T-cells and T-cell derived malignancies including multiple myeloma, acute myeloid leukemia or chronic lymphocytic leukemia [1-5].


[1] Wang B, She J, Salio M et al. (1997): CD3-epsilon overexpressed in prothymocytes acts as an oncogene. Mol Med. 3(1):72-81.
[2] Termuhlen AM (2017): Natural killer/T-cell lymphomas in pediatric and adolescent patients. Clin Adv Hematol Oncol. 15(3):200-209.
[3] Li Y, Chen S, Yang L et al. (2011): Change in expression pattern of TCR-CD3 complex in patients with multiple myeloma. Hematology. 16(3):143-50.
[4] Chen S, Zha X, Yang L et al. (2011): Deficiency of CD3gamma, delta, epsilon, and zeta expression in T cells from AML patients. Hematology. 16(1):31-6.
[5] Huang L, Chen S, Zha X et al. (2012): Expression feature of CD3, Fc_RI_, and Zap-70 in patients with chronic lymphocytic leukemia. Hematology. 17(2):71-5.
[6] Mason DY, Cordell J, Brown M et al. (1989): Detection of T cells in paraffin wax embedded tissue using antibodies against a peptide sequence from the CD3 antigen. J Clin Pathol. 42(11):1194-200.
[7] Sommers CL, Dejarnette JB, Huang KJ et al. (2000): Function of CD3 epsilon-mediated signals in T cell development. Exp Med. 192(6):913-19.
[8] Vilches-Moure JG and Ramos-Vara JA (2005): Comparison of rabbit monoclonal and mouse monoclonal antibodies in immunohistochemistry in canine tissues. J Vet Diagn Invest. 17(4):346-50.
[9] Oettgen HC, Kappler J, Tax WJ and Terhorst C (1984): Characterization of the two heavy chains of the T3 complex on the surface of human T lymphocytes. J Biol Chem. 259(19):12039-48.
[10] Ziegler S, Weiss E, Schmitt AL et al. (2017): CD56 Is a Pathogen Recognition Receptor on Human Natural Killer Cells. Sci Rep. 7:6138.
[11] Hu B and Oki Y (2018): Novel Immunotherapy Options for Extranodal NK/T-Cell Lymphoma. Front Oncol. 8:139.

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