PMID: 22587780May 17, 2012Paper

Detection of antibodies against synthetic peptides mimicking ureases fragments in sera of rheumatoid arthritis patients

Protein and Peptide Letters
Iwona KoniecznaWiesław Kaca

Abstract

Rheumatoid arthritis (RA) is a chronic disease with an autoimmunological background. RA is mostly characterized by systemic inflammation and injuries of synovial joints. There is a hypothesis that bacterial infections may be connected with development of the disease. It has been suggested that molecular mimicry between bacterial and human antigens may be one of possible mechanisms of RA development. One of potential antigens involved in this mechanism is urease - enzyme with high structural conservatism, occurring in pathogenic and commensal bacteria. We found that the level of antibodies against peptide mimicking urease "flap" region is significantly higher in sera from patients with rheumatoid arthritis in comparison with volunteer blood donor sera. We also observed that antibodies present in RA sera may bind not only specific peptide antigens but also peptides with a slightly different structure.

Citations

Jan 12, 2013·Current Protein & Peptide Science·Iwona KoniecznaWieslaw Kaca
Sep 3, 2013·APMIS : Acta Pathologica, Microbiologica, Et Immunologica Scandinavica·Alan Ebringer, Taha Rashid
Jun 6, 2018·Journal of Peptide Science : an Official Publication of the European Peptide Society·Iwona KoniecznaZbigniew J Kaminski
Mar 9, 2021·Frontiers in Veterinary Science·Manoel Neres Santos JuniorLucas Miranda Marques

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