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: Pathology
[{'content': 'Fibrosis is due to - \nSelect and explain. \nA. TGF-β, B. TNF -α, C. IL-7, D. IL-10', 'role': 'user'}, {'content': 'Answer: A \nExplanation: Growth factors and cytokines involved in regeneration and wound healing', 'role': 'assistant'}]