Non-invasive screening of HLA-DPA1 and HLA-DPB1 alleles for persistent hepatitis B virus infection: Susceptibility for vertical transmission and toward a personalized approach for vaccination and treatment

Polymorphisms in the major histocompatibility complex (MHC) and non-MHC genes were recently reported to be associated with persistent hepatitis B virus (HBV) infection and host response to hepatitis B vaccine in Asian populations. We aimed to confirm the associations in Chinese population and develo...

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Published in:Clinica chimica acta 2011-05, Vol.412 (11-12), p.952-957
Main Authors: Lau, Kin-Chong, Lam, Ching-Wan, Law, Chun-Yiu, Lai, Sik-To, Tsang, Tak-Yin, Siu, Carol Wai-Kwan, To, Wing-Kin, Leung, Ka-Fai, Mak, Chloe Miu, Poon, Wing-Tat, Chan, Paul Kay-Sheung, Chan, Yan-Wo
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Language:eng
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Summary:Polymorphisms in the major histocompatibility complex (MHC) and non-MHC genes were recently reported to be associated with persistent hepatitis B virus (HBV) infection and host response to hepatitis B vaccine in Asian populations. We aimed to confirm the associations in Chinese population and develop a non-invasive screening method for the risk loci. We genotyped 2 risk alleles on the MHC loci, HLA-DPA1 (rs3077) and HLA-DPB1 (rs9277535), and 1 risk allele near a non-MHC gene, FOXP1 (rs6789153) using high-resolution melting curve analysis. With minimal processing steps and time, salivary DNA was extracted with a modified protocol of a blood kit. We compared the genotyping fidelity between peripheral blood DNA and salivary DNA. Both rs3077 and rs9277535, but not rs6789153, are significantly associated with CHB in Chinese population (p-value
ISSN:0009-8981
1873-3492