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: Biochemistry
[{'content': 'Tumor suppressor gene is not involved in ? \nSelect and explain. \nA. Breast cancers, B. Neurofibromatosis, C. Multiple endocrine neoplasia, D. Retinoblastoma', 'role': 'user'}, {'content': 'Answer: C \nExplanation: o Multiple endocrine neoplasia involves RET protooncogene (not tumor suppressor gene).', 'role': 'assistant'}]