Discussion: However, G1896A or A1762T/G1764A mutations were not found in this patient with genotype C HBV by DNA sequencing, while A1727T, C1730G and C1799G mutations were found in BCP region, which were reported to be associated significantly with cirrhosis.
Case Report: Application of hepatitis B virus (HBV) deep sequencing to distinguish between acute and chronic infection.
The mutation of hepatitis B virus and the prognosis of hepatocellular carcinoma after surgery: a pilot study.
PMID: 29628773
2018
Cancer management and research
Method: According to the sequencing outcome, HBV genotype and mutations (including A1752T/G, T1753C, G1757A, A1762T/G1764A, C1766T, T1768A, A1775G, C1799G, A1846T, T1858C, G1896A, G1898A, G1899A, and Pre S deletion) were confirmed by the BLAST analysis (http://blast.ncbi.nlm.nih.gov/Blast.cgi).
Result: According to different mutation regions, A1752T/G, T1753C,
Associations of pri-miR-34b/c and pre-miR-196a2 polymorphisms and their multiplicative interactions with hepatitis B virus mutations with hepatocellular carcinoma risk.
Result: The HBV mutations including T1674C/G, A1762T/G1764A, T1753V, C1653T, and G1896A in the EnhII/BCP/PC as well as preS deletion, preS1 start codon mutation, preS2 start codon mutation, C2875A, A3120G/T, C7A, and C76A in the preS region were significantly associated with an increased risk of HCC, while
Precore/core promoter mutations and hepatitis B virus genotype in hepatitis B and C dually infected patients treated with interferon-based therapy.
Abstract: Among dually-infected patients, genotype C was associated with a higher frequency of A1762T/G1764A mutation (P<0.001), but with lower HBV DNA (P<0.001) and a lower frequency of A1752T/G (P=0.008), C1799G (P<0.001) and G1896A mutation (P<0.001) than genotype B.
Frequency and clinical significance of core promoter and precore region mutations in Tunisian patients infected chronically with hepatitis B.
Abstract: High DNA levels were associated with G1899A or G1764T/C-C1766G-C1799G and advanced liver disease with mutations at positions 1762, 1764 and/or 1899 alone or in double or triple mutations.
[Significance of the double mutations of C1673T/C1799G in HBV C promoter].
PMID: 23547448
2012
Zhonghua shi yan he lin chuang bing du xue za zhi
Abstract: C1673T/C1799G double mutations in Ba were determined in 106 (96. 4%) samples, which was significantly higher than in C1 (14.3%) and C2 (12.5%) subgenotype (P < 0.0001).
Abstract: CONCLUSION: In Ba subgenotype, double mutations of C1673T/C1799G is much popular than in C1 and C2; the mutation has no effect on HBV replication, and may not be associated with the outcome of chronic HBV infection.
Abstract: OBJECTIVE: To explore the biological and clinical significance of the double mutations of C1673T/C1799G in HBV C promoter (CP).
Abstract: The C to T mutation at nucleotide 1673
Association between the various mutations in viral core promoter region to different stages of hepatitis B, ranging of asymptomatic carrier state to hepatocellular carcinoma.
PMID: 20959817
2011
The American journal of gastroenterology
Abstract: C1673T, A1726C, A1727T, C1730G, C1766T, T1768A, C1773T, and C1799G in genotype C were significantly associated with cirrhosis compared with the CHB patients, whereas these mutations were inversely associated with HCC compared with the cirrhosis patients.
HBV mutation literature information.
PMID: 
2021
Infection and drug resistance
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