T-Cells :: Discussion


3.Which of the following steps is NOT involved in the activation of T-cell?
A.Double positive cell converts to single positive T-cell
B.Foreign peptide bound to MHC provide signals
C.CD28 of TCR interacts with B7 of APC
D.CD23 has ITAM, which transducer signals
Answer:  Option  A
Explanation:

The conversion of double positive cells to a single positive cell is thymic selection process in which T-cell mature with the interaction of MHC and develops the tolerance to self-antigen.

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Published by:Zain Abid

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