This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Inflammation & Repair, Subject name: Pathology
Pro - inflammatory cytokine is? 
Select and explain. 
A. IL-1, B. IL-3, C. IL-6, D. IL-10
A: IL-1
Answer: A: IL-1 
Explanation: Ans. is 'a' i.e., IL-1 Proinflammatory cytokinesi) Major:- IL-1, TNF- a, IL-6ii) Other:- IL-2, IL-4, IL-5, IL-6, IL-8, IL-11, IL-12, IL-15, IL-21, IL-23, IFN- g, GM-CSFAnti-inflammatory cytokines* IL-4, IL-10, IL-13, and transforming growth factor-b (TGF-b).