HIV Mutation Detail Information

Virus Mutation HIV Mutation M184V


Basic Characteristics of Mutations
Mutation Site M184V
Mutation Site Sentence The 9 mutations M41L, D67N, K70R, K103N, Y181C, M184V, T215Y, L283I and N348I resulted in resistance to NRTIs or NNRTIs, but the impact of 7 mutations at 6 positions (D123E, V292I, K366R, T369A, T369V, A371V and I375V) on antiviral drug response was unknown.
Mutation Level Amino acid level
Mutation Type Nonsynonymous substitution
Gene/Protein/Region RT
Standardized Encoding Gene gag-pol:155348
Genotype/Subtype HIV-1 B
Viral Reference -
Functional Impact and Mechanisms
Disease HIV Infections    
Immune -
Target Gene -
Clinical and Epidemiological Correlations
Clinical Information -
Treatment NRTIs;NNRTIs
Location China
Literature Information
PMID 23144802
Title Screening for and verification of novel mutations associated with drug resistance in the HIV type 1 subtype B(') in China
Author Li H,Geng Q,Guo W,Zhuang D,Li L,Liu Y,Bao Z,Liu S,Li J
Journal PloS one
Journal Info 2012;7(11):e47119
Abstract OBJECTIVE: Mutations associated with HIV drug resistance have been extensively characterized at the HIV-1 polymerase domain, but more studies have verified that mutations outside of the polymerase domain also results in resistance to antiviral drugs. In this study, mutations were identified in 354 patients experiencing antiretroviral therapy (ART) failure and in 97 naive-therapy patients. Mutations whose impact on antiviral drugs was unknown were verified by phenotypic testing. METHODS: Pol sequences of HIV subtype B(') obtained from patients experiencing ART failure and from naive-therapy patients were analyzed for mutations distinct between two groups. Mutations that occurred at a significantly higher frequency in the ART failure than the naive-therapy group were submitted to the Stanford HIV Drug Resistance Database (SHDB) to analyze the correlation between HIV mutations and drug resistance. For mutations whose impact on the antiviral drug response is unknown, the site-directed mutagenesis approach was applied to construct plasmids containing the screened mutations. 50% inhibitory concentration (IC(50)) to AZT, EFV and NVP was measured to determine the response of the genetically constructed viruses to antiviral drugs. RESULTS: 7 mutations at 6 positions of the RT region, D123E, V292I, K366R, T369A, T369V, A371V and I375V, occurred more frequently in the ART failure group than the naive-therapy group. Phenotypic characterization of these HIV mutants revealed that constructed viruses with mutations A371V and T369V exhibited dual resistance to AZT and EFV respectively, whereas the other 5 mutations showed weak resistance. Although the impact of the other six mutations on response to NVP was minimal, mutation T369V could enhance resistance to NVP. CONCLUSIONS: This study demonstrated that mutations at the RT C-terminal in subtype B' could result in resistance to RT inhibitors if the mutations occurred alone, but that some mutations could promote susceptibility to antiviral drugs.
Sequence Data -
Mutation Information
Note
Basic Characteristics of Mutations
  • Mutation Site: The specific location in a gene or protein sequence where a change occurs.
  • Mutation Level: The level at which a mutation occurs, including the nucleotide or amino acid level.
  • Mutation Type: The nature of the mutation, such as missense mutation, nonsense mutation, synonymous mutation, etc.
  • Gene/Protein/Region: Refers to the specific region of the virus where the mutation occurs. Including viral genes, viral proteins, or a specific viral genome region. If the article does not specifically indicate the relationship between the mutation and its correspondence, the main
  • Gene/Protein/Region studied in the article is marked.
  • Genotype/Subtype: Refers to the viral genotype or subtype where the mutation occurs. If the article does not specifically indicate the relationship between the mutation and its correspondence, the main Genotype/Subtype studied in the article is marked.
  • Viral Reference: Refers to the standard virus strain used to compare and analyze viral sequences.
Functional Impact and Mechanisms
  • Disease: An abnormal physiological state with specific symptoms and signs caused by viral infection.
  • Immune: The article focuses on the study of mutations and immune.
  • Target Gene: Host genes that viral mutations may affect.
Clinical and Epidemiological Correlations
  • Clinical Information: The study is a clinical or epidemiological study and provides basic information about the population.
  • Treatment: The study mentioned a certain treatment method, such as drug resistance caused by mutations. If the study does not specifically indicate the relationship between mutations and their correspondence treatment, the main treatment studied in the article is marked.
  • Location: The source of the research data.
Literature Information
  • Sequence Data: The study provides the data accession number.