Braz J Med Biol Res. 2009 Sep; 42(9): 831-8
Farouk HM, Mansour HE, Rahman SA, Mostafa AA, Shamy HA, Zarouk WA
Our objective was to watch whether the proximity of the human leukocyte antigen HLA-DRB1 locus is related with production of anti-cyclic citrullinated peptide antibodies (anti-CCP Abs) and to what extent they are related with accumulated status to and severity of rheumatoid arthritis (RA) in Afrasian patients. Twenty-nine RA patients gave conversant consent to participate in a case-control think that was approved by the Ain Shams University Medical Ethics Committee. RA disease activity and severity were observed using the simplified disease activity index and Larsen scores, respectively. We used a wide bit domestic think on the ornament of HLA typewriting in normal Egyptians as a control study. Anti-CCP Abs and HLA-DRB1 typewriting were observed for every subjects. The alleles most strongly related with RA were HLA-DRB1 [*01 , *04 and *06] (41.4%). RA patients with humour anti-CCP Ab titers above 60 U/mL had a significantly higher frequency of HLA-DRB1*01 (58.3%) and HLA-DRB1*04 alleles (83.3%). Significant constructive correlations were institute between humour and synovial anti-CCP Ab titer, RA disease activity, and severity (r = 0.87, 0.66 and 0.63, respectively; P < 0.05). HLA-DRB1 SE+ alleles [*01 and *04] were highly expressed among Afrasian RA patients. The proximity of these alleles was related with higher anti-CCP Ab titer, astir and nonindulgent RA disease. Early selection of HLA-DRB1 SE+ alleles and humour anti-CCP Ab could assist the prevision of the clinical instruction and forecasting of RA when prototypal evaluated leading to meliorate disease control.
