literature

HBV mutation literature information.

Mutations in the HBV PreS/S gene related to hepatocellular carcinoma in Vietnamese chronic HBV-infected patients.

PMID: 35390033 2022 PloS one

Result: The point-mutations on the S gene that owned the rates of >30% of the population were: S53L (37.7%), A184V/G (39.3%), and S210K/N/R/S (39.3%); from 15 to <30% were L21S (29.1%), G44E/V (18.6%), I126T/N/S (21.1%), and M198I/M (18.2%); and from 5 to <15% were V14A/G/Q (10.1%), N40S/K (6.9%), T47A/E/V/K (9.3%), P/L49R/H (5.7%), P62Q/L (9.7%), C76Y/T/W (10.5%), Y100C/F

PreS1 Mutations Alter the Large HBsAg Antigenicity of a Hepatitis B Virus Strain Isolated in Bangladesh.

PMID: 31952213 2020 International journal of molecular sciences

Result: Small HBsAg showed the following mutations: N3S, V18G, E44G, M47T, S53L, V159A, A177V, S210N, and I213L; none of these are associated with HBsAg escape, though the N3S mutant is associated with an increased risk of HCC.

Key mutations in the C-terminus of the HBV surface glycoprotein correlate with lower HBsAg levels in vivo, hinder HBsAg secretion in vitro and reduce HBsAg structural stability in the setting of HBeAg-negative chronic HBV genotype-D infection.

PMID: 32312174 2020 Emerging microbes & infections

Abstract: Results confirmed by multivariable analysis correcting for patients'demographics, HBV-DNA, ALT and infection-status.In genotype-D, specific C-terminus mutations (V190A-S204N-Y206C-Y206F-S210N) significantly correlate with HBsAg<1000IU/ml(P-value from <0.001 to 0.04).

Discussion: Indeed, in in vitro experiments, both S210N and S210N + F220L determined a significant decrease in Discussion: Nevertheless, the decrease observed for S210N + F220L was not significantly stronger than that observed for S210N, paralleling results observed in patients.

A study on sequence variations in pre-S/surface, X and enhancer II/core promoter/precore regions of occult hepatitis B virus in non-B, non-C hepatocellular carcinoma patients in Taiwan.

PMID: 19431214 2009 International journal of cancer

Abstract: Compared with the HBsAg-positive HCC controls, occult HBV-infected HCC patients had higher frequencies of M1I and Q2K in pre-S2 gene, G185R and S210N in surface gene, A36T and A44L in X gene, and G1721A in enhancer II gene, and had lower rates of pre-S deletions and A1762T/G1764A,

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