This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Pharmacology
Cyclosporine acts by inhibiting the proliferation of 
Select and explain. 
A. ILl, B. IL2, C. IL6, D. Macrophages
B: IL2
Answer: B: IL2 
Explanation: Ans. is 'b' i.e., IL2 Cyclosporine enters target cells and bind to cyclophilin (an immunophilin). This cyclosporine-cyclophilin complex inactivates calcineurin IL-2 trascripitan and proliferation of T cells.