Clinical research
Pathogenic activity of circulating anti-desmoglein-3 autoantibodies isolated from pemphigus vulgaris patients
 
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Submission date: 2010-07-07
Final revision date: 2010-08-10
Acceptance date: 2010-08-18
Online publication date: 2012-05-09
Publication date: 2012-04-30
 
Arch Med Sci 2012;8(2):347–356
 
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ABSTRACT
Introduction: There are scarce data on immunochemical properties of pemphigus antibodies detected in clinical remission in pemphigus vulgaris (PV) patients. The aim of the study was to compare biological activity of anti-Dsg3 autoantibodies purified from the sera of PV patients in active stage and in clinical remission.
Material and methods: The effect of purified antibodies on expression of procaspase-3, Bax, Bcl-2, uPAR, IL-1β, IL-6, and TNF-α mRNAs in the HaCaT keratinocytes was evaluated by Western blot and RT-PCR method.
Results: Incubation of HaCaT cells with anti-Dsg-3 autoantibodies caused their binding to cell membranes surfaces. Anti-Dsg3 autoantibodies isolated from the patients in active stage and clinical remission showed proapoptotic effect, caused enhanced expression of analyzed proinflammatory cytokines’ mRNAs and uPAR mRNA.
Conclusions: Our data revealed similar pathogenic activity of anti Dsg-3 autoantibodies isolated from active and clinical remission PV patients.
eISSN:1896-9151
ISSN:1734-1922