The immunosuppressant action of cyclosporin appears to be due to
Correct Answer: Inhibition of Gene transcription of interleukin
Description: Ref-KDT 6/e p838,839,840 Cyclosporine and tacrolimus acts by inhibiting calcineurin, which is involved in the activation of NFAT. Final result of this process is increased transcription of IL-2 gene. Sirolimus does not inhibit the transcription of IL-2 but interferes with its action. It inhibits the enzyme tyrosine kinase, known as mTOR (which is activated by IL-2).
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