This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Immunomodulatory: DMARDS, Monoclonal Antibodies, Subject name: Pharmacology
[{'content': 'Which of the following is a calcineurin inhibitor? \nSelect and explain. \nA. Cyclosporine, B. Methotrexate, C. Azathioprine, D. Mycophenolate mofetil', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Ans. (A) Cyclosporine(Ref: Goodman Gilman 12th/e p1008; Katzung 12th/e p986; KDT 8/e p937)Cyclosporine and tacrolimus act as immunosuppresants by their inhibitory action on calcineurin.', 'role': 'assistant'}]