This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: G.I.T, Subject name: Pathology
Anti transglutaminase antibody is seen in? 
Select and explain. 
A. Celiac disease, B. SLE, C. Collagenous colitis, D. Tropical sprue
A: Celiac disease
Answer: A: Celiac disease 
Explanation: The most sensitive tests are the presence of IgA antibodies to tissue transglutaminase or IgA or IgG antibodies to deamidated gliadin. TEXT BOOK OF ROBBINS BASIC PATHOLOGY NINTH EDITION PAGE.579