Which One of the Following Is NOT a Mechanism of T

question 4

Multiple Choice

Which one of the following is NOT a mechanism of T cell tolerance?

• A)Inhibition of T cell activation by interleukin-12 from regulatory T cells.
• B)Apoptosis induced by Fas ligand binding to Fas.
• C)Anergy induced by B7-1 or B7-2 binding to CTLA-4.
• D)Anergy induced by peptide-major histocompatibility complex (MHC)binding to T cell receptors (TCRs)without B7-1 or B7-2 binding to CD28.
• E)TCR-mediated up-regulation of Bim or similar pro-apoptotic proteins.

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