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
Tocilizumab is antibody against ? 
Select and explain. 
A. IL 2, B. IL 4, C. IL 6, D. IL 8
C: IL 6
Answer: C: IL 6 
Explanation: Ans. is 'c' i.e., IL 6 Tocilizumab It is the antibody directed against IL 6 receptor It is approved for use in : Rheumatoid ahritis Neuromyelitisoptica Castleman's disease Systemic juvenile idiopathic ahritis