Effects of dipeptide insertions between codons 69 and 70 of human immunodeficiency virus type 1 reverse transcriptase on primer unblocking, deoxynucleoside triphosphate inhibition, and DNA chain elongation.
Abstract: The additional presence of M41L and T215Y mutations increased unblocking activity for all three insertions, greatly reduced the sensitivity to dNTP inhibition, and resulted in defects in in vitro DNA chain elongation.
Introduction of HIV type 1 non-B subtypes into Eastern Andalusia through immigration.
Abstract: Resistance mutation K70R was detected in one of the six immigrants with non-B subtype and M41L in another.
Dioxolane guanosine 5'-triphosphate, an alternative substrate inhibitor of wild-type and mutant HIV-1 reverse transcriptase. Steady state and pre-steady state kinetic analyses.
PMID: 12651859
2003
The Journal of biological chemistry
Abstract: In vitro, HIV-1 mutants resistant to 3'-azido-3'-deoxythymidine (M41L/D67N/K70R/T215Y/K219Q) and (-)beta-L-2',3'-dideoxy-3'-thiacytidine (3TC) (M184V) remain sensitive to DXG.
The molecular epidemiology and drug resistance determination of HIV type 1 subtype B infection in Barbados.
PMID: 12816080
2003
AIDS research and human retroviruses
Abstract: Only two RT antiretroviral resistance mutations (M41L and T215Y) were observed, both from a single patient.
Mutations E44D and V118I in the reverse transcriptase of HIV-1 play distinct mechanistic roles in dual resistance to AZT and 3TC.
PMID: 12819190
2003
The Journal of biological chemistry
Abstract: Both mechanisms show a certain degree of incompatibility; however, previous clinical data revealed that mutations E44D and V118I, when present in a background of classical AZT mutations (M41L, D67N, L210W, and T215Y), confer dual resistance to AZT and 3TC.
Abstract: The additional presence of mutations M41L, D67N, L210W, and T215Y can partially neutralize this deficit, which helps to explain the concurrent presence of these changes in resistant isolates.
High incidence of non-B and recombinant HIV-1 strains in newly diagnosed patients in Galicia, Spain: study of genotypic resistance.
Abstract: Five of 85 patients (5.9%), all infected with B subtype viruses, showed resistance-associated mutations in RT (M184V, M41L, L210W, T215Y/D and K219Q).
Mutation patterns of the reverse transcriptase genes in HIV-1 infected patients receiving combinations of nucleoside and non nucleoside inhibitors.
PMID: 14522102
2003
International journal of antimicrobial agents
Abstract: The frequencies of T215S/Y/F, M41L, D67N, L210W K70R, K219Q mutations, detectable in plasma samples, conferring resistance to zidovudine were 61.2, 56.2, 36.2, 31.5, 27.5 and 17.5%, respectively.
Abstract: The relationship between the genotype and the viral load showed that the incidence of some specific mutations [M41L, T215Y (correlated to zidovudine resistance) and K103N (correlated to all NNRTIs drugs)] significantly (P=0.001) increased with higher viral load.
Novel enzyme-linked minisequence assay for genotypic analysis of human immunodeficiency virus type 1 drug resistance.
PMID: 14605126
2003
Journal of clinical microbiology
Abstract: ELMA is a combination of hybridization and a 1-base extension reaction, and we designed the assay to detect five mutations conferring nucleoside analogue resistance (M41L, D67N, K70R, T215Y, and M184V) and six mutations conferring protease inhibitor resistance (D30N, M46I, G48V, V82A, I84V, and L90M).
New patterns of HIV-1 resistance during HAART.
PMID: 14616723
2003
Clinical microbiology and infection
Abstract: Nucleoside analog mutations (NAMs) (M41L, D67N, K70R, L210W, T215Y/F and K219Q/E) are associated with reduced susceptibility to most nucleoside analogs and the nucleotide tenofovir.
Abstract: This recently approved drug has shown a reduced virologic response in the presence of three or more NAMs, including M41L or L210W, as well as in the presence of T69 insertions.
Epidemiologic and molecular characterization of human immunodeficiency virus type 1 in southern Brazil.
PMID: 14657764
2003
Journal of acquired immune deficiency syndromes (1999)
Abstract: The overall analysis of drug resistance mutations in viruses from treated subjects has highlighted some associations between subtypes and particular mutations, such as V82A/F/T/S in protease and subtype F1 and M41L and L210W in RT and subtype B.
HIV mutation literature information.
PMID: 
2003
Journal of virology
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