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- W3040595562 abstract "Background & Aims: Several studies, in different populations, have focused on the role of HLA-DQ gene polymorphism in the pathogenesis of HBV infection. However, these findings are still controversial. This study aimed to determine HLA-DQ polymorphism in Chronic HBV patients and its impact on the response to antiviral therapy. Methods: This study was carried out on a total number of 188 participants, they were subdivided as follows: Group I (patients’ group): included 97 patients with chronic hepatitis B viral infection that was further subdivided according to response to treatment into responder and non-responder subgroups, Group II (Control group): included 91 normal healthy subjects who were matched to the patient group by sex and age. PCR (Polymerase Chain Reaction) testing, for HBV-DNA, was done for all participants enrolled in the study to measure the viral virus load before and after treatment. HLA- DQ polymorphism allelic discrimination assay was assayed using the Real-time equipment. Results: In a general analysis for the SNP rs7453920, the overall genotypes frequencies were 37% for A/A, 60.6% for A/G, and 37% for G/G. The G alleles of HLA-DQ rs7453920 were significantly increased in chronic HBV infection patients. A total of 77 (79.4%) patients were responders. Among this group, 72.7% were male, and the average age was 38.59 ±9.15 years. On evaluation of the association between polymorphisms in HLA-DQ gene and treatment response, the results indicated that response to treatment declined when patients were carrying the more unfavorable rs 7453920 GG with a response rate of 64%. Patients carrying the mutant allele AG, or the wild type allele AA were more likely to achieve a higher rate of response (84.8% and 83.3%, respectively). Conclusion: The presence of HLA-DQB2 rs 7453920-G serves as a risk factor for chronic HBV infection and treatment failure in the Egyptian population." @default.
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- W3040595562 date "2020-07-03" @default.
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- W3040595562 title "Association between Human Leukocyte Antigen-DQ Polymorphisms and Treatment Response in Chronic Hepatitis B Egyptian Population: A Prospective Study" @default.
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- W3040595562 doi "https://doi.org/10.2174/1875318302010010055" @default.
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