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Endemic pemphigus over a century: Part II.
MedLine Citation:
PMID:  22624125     Owner:  NLM     Status:  PubMed-not-MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: Endemic pemphigus foliaceus (EPF) is an autoimmune disease, classically occurring in a restricted geographic area. Foci of EPF have been described in several Central and South American countries, often affecting young people and Amerindians, with some female predilection. Although most American EPF cases have been documented in Brazil, cases have been reported in Peru, Paraguay, El Salvador and Venezuela. An additional variant of EPF has been described in El Bagre, Colombia, (El Bagre-EPF) affecting older men and a few post-menopausal females. Finally, one additional type of EPF has been described in nomadic tribes affecting females of child bearing age in Tunisia, Africa.
AIMS: The main aim of this review is to summarize current knowledge about autoantigens, and immunologic and genetic studies in EPF.
MATERIAL AND METHODS: We utilized a retrospective review of the literature, aiming to compile and compare the multiple geographic foci of EPF.
RESULTS: The primary autoantigens in EPF are still considered to be desmogleins in the case of the Tunisian and all American cases, in contradistinction to plakins and desmogleins in El Bagre-EPF. Although several autoantigens are been suggested, their biochemical nature needs further elucidation. Current knowledge still supports the concept that an antibody mediated immune response represents the principal pathophysiology in all variants of EPF.
CONCLUSION: A strong genetic susceptibility appears to contribute to disease development in several people affected by these diseases; however, no specific genes have been confirmed at present. We conclude that further investigation is necessary to define these disorders immunologically and genetically.
Authors:
Ana María Abréu-Vélez; Ana Maria Roselino; Michael S Howard; Iara J de Messias Reason
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  North American journal of medical sciences     Volume:  2     ISSN:  2250-1541     ISO Abbreviation:  N Am J Med Sci     Publication Date:  2010 Mar 
Date Detail:
Created Date:  2012-05-24     Completed Date:  2012-10-02     Revised Date:  2013-05-29    
Medline Journal Info:
Nlm Unique ID:  101521411     Medline TA:  N Am J Med Sci     Country:  India    
Other Details:
Languages:  eng     Pagination:  114-25     Citation Subset:  -    
Affiliation:
Georgia Dermatopathology Associates, Atlanta, Georgia, USA.
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