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: Medicine
Antibody found in myositis is ? 
Select and explain. 
A. Anti Jo 1, B. Anti scl 70, C. Anti Sm, D. Anti Ku
A: Anti Jo 1
Answer: A: Anti Jo 1 
Explanation: None