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Prevalence of autoantibodies against cellular antigens in patients with HIV and leprosy coinfection in the Amazon region

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Infectious Diseases of Poverty 2017年第1期6卷 704-711页

作者： clea nazare carneiro bichara Carlos David Araujo bichara Camila Tostes Marinete Marins Povoa Juarez Antonio Simoes Quaresma Marilia Brasil Xavier Center of Biological and Health Sciences State University of ParaCampus II-CCBSRua Perebebui n°2623MarcoBelemPA 66087-670Brazil Evandro Chagas Institute Ministry of HealthAnanindeuaPABrazil Tropical Medicine Center Federal University of ParaBelemPABrazil

Background:Infectious agents can activate self-reactive T *** general,infections trigger various mechanisms,including a lack of auto-tolerance,induction of costimulatory molecules on antigen presenting cells,and molecular simulation,in addition to cross-reactions between microbial antigens and *** and leprosy coinfections lead to self-immunity with the production of ***,not enough data on the immune behaviour associated with this coinfection are ***,this study focused on the detection of autoantibodies against cellular antigens(AACA)in individuals with HIV and leprosy coinfection in the Amazon ***:Patients were distributed into four groups according to their infections:(i)coinfection with HIV and leprosy(n=23),(ii)infection with leprosy(n=33),(iii)infection with HIV/AIDS(n=25),and(iv)healthy blood donor controls(n=100).AACA were identified by indirect immunofluorescence and the samples were tested using a commercial diagnosis kit containing the antinuclear antibody ***:Morphologically,all stages of cell division were assessed in addition to the morphological features associated with the nuclear matrix,nucleolus,mitotic spindle,and *** was a high prevalence of AACA in the coinfection group(47.8%,n=11)when compared with the control group of healthy blood donors(2.0%).The results showed predominantly cytoplasmic staining in all groups analysed,and no difference was observed between the presence or absence of AACA and the leprosy forms(paucibacillary and multibacillary)in the coinfection ***:The results of this study show that despite the tendency of coinfected patients to have higher levels of autoantibodies,no correlation was observed between clinical and laboratorial variables and morbidity associated with HIV and leprosy coinfections or the levels of AACA in the serum of coinfected *** data are important to elucidate this complex relationship between HIV a

关键词： Leprosy HIV Autoantibodies Immunology Amazon region

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