What is the role of genetics in the etiology of pemphigus vulgaris?

Updated: Jun 14, 2018
  • Author: Bassam Zeina, MD, PhD; Chief Editor: Dirk M Elston, MD  more...
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Answer

Predisposition to pemphigus is linked to genetic factors. [25] Certain major histocompatibility complex (MHC) class II molecules, in particular alleles of human leukocyte antigen DR4 (DRB1*0402) and human leukocyte antigen DRw6 (DQB1*0503), are common in patients with pemphigus vulgaris. [26, 27, 28, 29, 30] {ref31


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