Experimental Factor Ontology id EFO_0008604 (IgA pemphigus) can be described as follows. Immunoglobulin A (IgA) pemphigus is a group of newly characterized immune-mediated intraepidermal blistering skin diseases. Unlike typical immunoglobulin G (IgG)–mediated pemphigus, IgA pemphigus is characterized by tissue-bound and circulating IgA autoantibodies that target the desmosomal proteins of the epidermis [ https://emedicine.medscape.com/article/1063776-overview ]. Also known as: immunoglobulin A (IgA) pemphigus, immunoglobulin A (IgA)-mediated pemphigus, immunoglobulin A mediated pemphigus, immunoglobulin A pemphigus, subcorneal pustular dermatosis and monoclonal IgA.