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CD2/CD2R分子

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4707
CD2/CD2R 分子

CD2

常用单克隆抗体或代号:9.6,Tll,Leu5;(LFA 2,SRBC-R)

主要表达细胞:T,Thy,NKsub T细胞

分子质量(kDa)和结构:gp50(IgSF)

功 能:CD58、CD48、CD59和CDl50的受体,参与T细胞活化,参与细胞黏附

CD2R

常用单克隆抗体或代号:T11.3,9。1

主要表达细胞:Ta,NK T细胞

分子质量(kDa)和结构:gp50(IgSF)

功 能:T细胞活化

CD2
Aka E rosette receptor, LFA-2 (leukocyte function antigen)
Function: binds CD58 / LFA-3 on antigen-presenting cells, and induces costimulatory signals in T cells
Also regulates T and NK-mediated cytolysis, inhibits apoptosis of activated peripheral T cells, mediates T cell cytokine production, regulates T cell anergy
Positive staining (normal): thymocytes (95%), mature peripheral T cells (almost all), NK cells (80-90%), thymic B cells (50%)
Micro images: extranodal NK/T cell lymphoma, nasal type
 
CD2R
CD2 epies restricted to activated T cells
Positive staining: activated T cells, ? NK cells

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