literature

HBV mutation literature information.

Reactivation of Occult Hepatitis B Virus Infection During Long-Term Entecavir Antiviral Therapy.

PMID: 35359734 2022 Frontiers in microbiology

Table: V207I

High Prevalence of Preexisting HBV Polymerase Mutations in Pregnant Women Does Not Limit the Antiviral Therapy Efficacy.

PMID: 33986897 2021 The Canadian journal of infectious diseases & medical microbiology

Result: However, rtI169 T, rtA194 T, rtV173 L, rtL180 M, rtL82 M, rtS85 A, rtV207I, rtL217 R, and rtS/C256G mutations were not present before TBV treatment.

Hepatitis B in the Northwestern region of Sao Paulo State: genotypes and resistance mutations.

PMID: 34755817 2021 Revista do Instituto de Medicina Tropical de Sao Paulo

Result: One sample (1.1%) presented a compensatory mutation (rtV/F/L/M207I), which typically appears after other primary variants of resistance to LAM; and 26.7% (24/90) of the samples showed potential resistance mutations for ADF (rtV214A, rtL217R, rtP237H, rtN238T, rtQ215S, and rtI233V).

COLD-PCR Method for Early Detection of Antiviral Drug-Resistance Mutations in Treatment-Naive Children with Chronic Hepatitis B.

PMID: 32708399 2020 Diagnostics (Basel, Switzerland)

Abstract: Multiple-point mt were found only in 8 cases (5.6%): 6 children carried double mt (rtV207M + rtL229V; rtV207M + rtI233V; rtV207I + rtV207M x 2 cases; rtV207M + rtS213T; rtN238A + rtS256G) relating to LMV or/and ADF resistance and 3 children carried triple mt (

Prevalence of Potential Resistance Related Variants Among Chinese Chronic Hepatitis B Patients Not Receiving Nucleos(T)ide Analogues.

PMID: 32765014 2020 Infection and drug resistance

Table: V207I/L/M

Naturally occurring core protein mutations compensate for the reduced replication fitness of a lamivudine-resistant HBV isolate.

PMID: 30902704 2019 Antiviral research

Introduction: However, compensatory mutations have been reported to partially restore the viral replication capacity, including rtL80V/I, rtL82M, rtV173L and rtV207I, mostly in the RT region of pol.

Viral quasispecies of hepatitis B virus in patients with YMDD mutation and lamivudine resistance may not predict the efficacy of lamivudine/adefovir rescue therapy.

PMID: 30906435 2019 Experimental and therapeutic medicine

Result: Common and frequent mutations identified in the cohort of the present study included rtL80V/I, rtV84M, rtL91I, rtN118H/D/T, rtT128A, rtL180M, rtT184L/S/A, rtV191I, rtS202G, rtV207I/M, rtS213T

Potential resistant mutations within HBV reverse transcriptase sequences in nucleos(t)ide analogues-experienced patients with hepatitis B virus infection.

PMID: 31147594 2019 Scientific reports

Result: In this study, non-classical mutations were observed in 29 patients who suffering from virological breakthrough and without classical mutations (Table 4) at 9 sites (V191I, V207I/M, S213T, E218D, F221Y, I224V, L229V, N/H238 and R242D).

Result: These sites could be classified into the following groups: V191I and V207I/M were detected in cases experienced ADV treated; F221Y were found in cases experienced LAM treated; S213T, I224V and H/N238 seemed to be the sharing mutation sites of LAM, ADV and ETV.

Table: <

Characterization and Clinical Significance of Natural Variability in Hepatitis B Virus Reverse Transcriptase in Treatment-Naive Chinese Patients by Sanger Sequencing and Next-Generation Sequencing.

PMID: 31189581 2019 Journal of clinical microbiology

Result: Considering that the low sensitivity of Sanger sequencing limited the detection of NAr mutations with a low rate (<20%), 4 classical drug resistance mutations (S202C/G/I, M204I/V/S, N236T, and M250I/L/V) and 12 putative NAr mutations (V207I, S213T, V214A, Q215P/S, L217R, E218D, L229G/V/W/F, I233V, P237H, N/H238D/S/T, Y245H, and S/C256G)

Prevalence of Hepatitis B Virus Infection in Shenzhen, China, 2015-2018.

PMID: 31558731 2019 Scientific reports

Introduction: A total of 8 HBV classical mutation sites are conventionally tested for HBV patients in most clinical labs, including M204I/V, L180M, T184A/F/I/L/S, L181T/V, M250I/L/V, M236T, S202G, and V207I.

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