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Contribution of HLA alleles in the regulation of antibody production in Lyme disease.

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Abstract

A small subset of patients infected with Borrelia burgdorferi (Bb) does not produce Bb specific antibody. Our research provides additional evidence of a genetic predisposition for seronegativity in some individuals with
Lyme disease. Because human leukocyte antigen (HLA) class II, a heterodimeric glycoprotein, plays an essential role in the regulation of antibody production, we investigated the difference in HLA genes between seropositive and seronegative patients with
Lyme disease (LD). Our results show that HLA-DR7 was associated with anti-Bb antibody production. Nine out of the 22 seropositive LD patients (40.9%) had HLA-DRB1*0701, *0703, *0704 (HLA-DR7); only 1 out of the 18 seronegative LD patients (5.6%) had HLA-DR7 (odds ratio (OR)=11.8, P=0.0126). HLA-DRB1*01021 and HLA-DRB1*0101, *0104, *0105 (HLA-DR1) contributed negatively to anti-Bb antibody production. Seven of 18 seronegative LD patients had HLA-DR1, only 1 of 22 seropositive LD patients had HLA-DR1 (38.9% vs. 4.5%, OR=13.4, P=0.0138). These results suggest that the presence and or lack of production of specific antibody to Bb infection may be associated with particular HLA specificities of the Class II.

Front Biosci. 2001 Sep 1;6:B10-6.

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