system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
In pemphigus vulgaris, antibodies are present against –
assistant
The correct answer is  Pemphigus is an autoimmune disease, with formation of antibodies to pemphigus antigen present in intercellular substance. Pemphigus antigens are desmoglein 3 & 1 in P. vulgaris and desmoglein 1 in P. foliaceous.