This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: Autoimmune Skin Disorders, Subject name: Skin
[{'content': 'HLA DR3 is associated with? \nSelect and explain. \nA. Dermatitis herpetiformis, B. Pemphigus vulgaris, C. Behcet disease, D. Psoriasis vulgaris', 'role': 'user'}, {'content': "Answer: A \nExplanation: Ans. is 'a' i.e., Dermatitis herpetiformis * Both dermatitis herpetiformis and celiac disease (gluten sensitive enteropathy) are associated with increased expression of HLA-A1, HLA-B8, HLA-DR3 and HLA-DQ2.* DR3 associated diseases are Myasthenia gravis, Graves' disease, Type I DM, Dermatitis herpetiformis, Chronic active hepatitis, Caucasian SLE, Sjogren's syndrome.About other options* Pemphigus vulgaris - DQ1* Behcet disease - B51* Psoriasis vulgaris - CW6", 'role': 'assistant'}]