volume 80, issue 3, P287-292 2005
DOI: 10.1590/s0365-05962005000300010
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Abstract: Fogo selvagem, or endemic pemphigus foliaceus, is an organ-specific disease, where IgG autoantibodies, especially from the IgG4 subclass are directed against the ectodomains of desmoglein 1, culminating in acantholysis. Genetic and environmental influences modulate this specific autoimmune response; individuals with a determined sequence of alleles (LLEQRRAA) in the positions 67-74 of the third hypervariable region of the HLA-DRB1, or those exposed to hematophagous insects, especially Simulium nigrimanum, are …

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