Genotypic determinants of the virological response to tenofovir disoproxil fumarate in nucleoside reverse transcriptase inhibitor-experienced patients.
Abstract: RESULTS: The strongest association with decrease in viral load was observed with a set of seven mutations (TDF mutation score) that consisted of M41L, E44D, D67N, T69D/N/S, L74V, L210W and T215Y/F RT mutations.
Relative replication fitness of multi-nucleoside analogue-resistant HIV-1 strains bearing a dipeptide insertion in the fingers subdomain of the reverse transcriptase and mutations at codons 67 and 215.
Abstract: A two-serine insertion at position 69 (i69SS) of human immunodeficiency virus type 1 (HIV-1) reverse transcriptase (RT) appears to be critical to enhance multi-nucleoside RT inhibitor resistance (MNR) in the sequence context of multiple zidovudine (AZT) resistance mutations (i.e., M41L, L210W, T215Y).
Phenotypic impact of HIV reverse transcriptase M184I/V mutations in combination with single thymidine analog mutations on nucleoside reverse transcriptase inhibitor resistance.
Abstract: HIV-1 variants containing amino acid substitutions within the coding region of HIV-1 reverse transcriptase (RT), such as the 3'-azido-3'-deoxythymidine (AZT)-resistant variant AZT-R (M41L/D67N/K70R/T215Y/K219Q) and a variant containing an insertion in the fingers domain (S69SGR70/T215Y), are resistant to the nucleoside RT inhibitor (NRTI) AZT because of an increase in the level of excision of AZT monophosphate (AZTMP) from the primer.
2004: which HIV-1 drug resistance mutations are common in clinical practice?
Abstract: For example, only the nucleoside reverse transcriptase inhibitor (NRTI) mutations M184V, M41L T215Y, D67N, K70R and L210W, non-nucleoside reverse transcriptase inhibitor (NNRTI) mutations K103N and Y181C, and protease inhibitor (PI) mutation L90M, occur in more than 10% of samples tested for resistance in this population.
Genotypic resistance in HIV-1-infected patients with persistently detectable low-level viremia while receiving highly active antiretroviral therapy.
Abstract: The most common mutations were M184V, K65R, and M41L/T215Y.
Long-term persistence of primary genotypic resistance after HIV-1 seroconversion.
PMID: 15577410
2004
Journal of acquired immune deficiency syndromes (1999)
Abstract: In particular, M41L, T69N, K103N, and T215 variants within reverse transcriptase (RT) and multidrug resistance demonstrated little reversion to wild-type virus.
Antiretroviral resistance and genetic diversity of human immunodeficiency virus type 1 isolates from the Federal District, Central Brazil.
PMID: 15761606
2004
Memorias do Instituto Oswaldo Cruz
Abstract: Many mutations associated with reduced susceptibility to nucleoside or non-nucleoside reverse transcriptase inhibitors were detected: M41L (11%), E44D (4%), D67N (11%), T69D (2%), K70R (11%), L74V (2%), L100I (4%), K103N (18%), V118I (9%), Y181C (11%), M184V (18%), G190A (4%), T215Y (4%), and K219E (4%).
Rates of transmission of antiretroviral drug resistant strains of HIV-1.
HIV mutation literature information.
PMID: 
2004
European journal of medical research
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