Changes

T cell differentiation (view source)

2 bytes added , 12:47, 5 January 2010

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* [[Lymphocytes - WikiBlood#T cells|T cells]] function only after recent activation by antigen.

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* CD4 binds [[MHC - WikiBlood#MHC II|MHC class I]].

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* CD4 binds [[MHC - WikiBlood#MHC II|MHC class II]].

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** [[Lymphocytes - WikiBlood#Helper CD4+|CD4+ T-cells]] therefore recognise antigen only in association with [[MHC - WikiBlood#MHC II|MHC class I]]

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** [[Lymphocytes - WikiBlood#Helper CD4+|CD4+ T-cells]] therefore recognise antigen only in association with [[MHC - WikiBlood#MHC II|MHC class II]]

* CD8 binds [[MHC - WikiBlood#MHC I|MHC class I]].

** [[Lymphocytes - WikiBlood#Cytotoxic CD8+|CD8+ T-cells]] recognise antigen only in association with [[MHC - WikiBlood#MHC I|MHC class I]].

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