This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: JIPMER 2018, Subject name: Pathology
Which antibody is associated with reduced risk of lupus nephritis in SLE? 
Select and explain. 
A. Anti-ribosomal P antibody, B. Anti-histone antibody, C. Anti-La antibody, D. ANA
C: Anti-La antibody
Answer: C: Anti-La antibody 
Explanation: Antibodies associated with SLE :- ANA:- most sensitive Anti ribosomal P ab:- Psychosis/Depression in SLE Anti Ro (SSA) (Anti La Ab:- Nephroprotective Anti Ro Ab :- High chance of :- Subacute cutaneous lupus. Neonatal lupus (a/w congenital Hea Block). Sicca syndrome Anti ds DNA/Anti SM Ab:- Highly specific. Anti histone Ab:- Drug induced lupus.