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Do interleukin-28B single nucleotide polymorphisms influence the natural history of chronic hepatitis B?
Journal of the International AIDS Society volume 13, Article number: P205 (2010)
Single nucleotide polymorphisms (SNPs) nearby the IL28B gene have been associated with spontaneous hepatitis C virus (HCV) clearance and response to interferon-based therapies in both HCV-monoinfected and HIV-HCV co-infected patients. However, little is known about the impact of IL28B SNPs on HBV natural history.
A case control study was performed in which cases were HIV+ patients with chronic hepatitis B (HBsAg+ for >6 months). All were genotyped for the rs12979860 SNP (protective CC genotype). One control for each case was chosen among HIV patients with anti-HBs and anti-HBc. Controls were matched for gender and coinfection with HCV.
A total of 49 cases fit the inclusion criteria. Most were male (90%), with a median (IQR) age of 42.6 (39-46.7) years-old. Eighteen (36.7%) were or had been chronic infected by HCV. Among HBsAg+ patients, 19 (41.3%) were HBeAg+ and 13 (26.5%) were superinfected by the hepatitis delta virus (HDV). No differences were found in the distribution of CC genotypes when comparing patients with chronic hepatitis B and those who spontaneously cleared HBsAg (59.2% vs 44.9%, respectively; p=0.3).
There is no evidence for a beneficial role of the IL-28B CC genotype on the development of chronic hepatitis B in HIV-coinfected patients.
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Martín-Carbonero, L., Rallón, N., Benito, J. et al. Do interleukin-28B single nucleotide polymorphisms influence the natural history of chronic hepatitis B?. JIAS 13 (Suppl 4), P205 (2010). https://doi.org/10.1186/1758-2652-13-S4-P205
- Single Nucleotide Polymorphism
- Natural History
- Chronic Hepatitis
- Case Control Study