literature

HIV mutation literature information.

Analysis of the Zidovudine Resistance Mutations T215Y, M41L, and L210W in HIV-1 Reverse Transcriptase.

PMID: 15047690 2004 The Journal of biological chemistry

Abstract: Insertions are usually associated with thymidine analogue resistance mutations, such as T215Y.

Abstract: The presence of both the insertion and mutation T215Y in the wild-type BH10 RT conferred significant ATP-mediated removal activity and moderate resistance to AZT.

Comparison of drug resistance mutations and their interpretation in patients infected with non-B HIV-1 variants and matched patients infected with HIV-1 subtype B.

PMID: 15097148 2004 Journal of acquired immune deficiency syndromes (1999)

Abstract: RESULTS: RT mutations M41L, L210W, and, to a lesser extent, T215Y were less prevalent in patients infected with non-B variants.

Rate of thymidine analogue resistance mutation accumulation with zidovudine- or stavudine-based regimens.

PMID: 15097303 2004 Journal of acquired immune deficiency syndromes (1999)

Abstract: The frequency of K70R and T215Y or F mutations was similar in both groups, although M41L was observed more frequently in samples from ZDV-treated subjects.

Mutations in HIV-1 reverse transcriptase potentially associated with hypersusceptibility to nonnucleoside reverse-transcriptase inhibitors: effect on response to efavirenz-based therapy in an urban observational cohort.

PMID: 15116307 2004 The Journal of infectious diseases

Abstract: CONCLUSIONS: The M41L, M184V, L210W, and T215Y mutations were associated with a better, although transient, virological outcome in patients treated with efavirenz-based regimens.

Abstract: RESULTS: The baseline RT mutations M41L, M184V, L210W, and T215Y and the M41L/T215Y and M41L/T215Y/M184V combinations were associated with virological suppression for efavirenz-treated patients, whereas, for PI-treated patients, only the M184V

Transmitted human immunodeficiency virus type 1 carrying the D67N or K219Q/E mutation evolves rapidly to zidovudine resistance in vitro and shows a high replicative fitness in the presence of zidovudine.

PMID: 15220429 2004 Journal of virology

Abstract: Through the analysis of resistance mutations in 1082 newly diagnosed antiretroviral-naive persons from the United States, we found that 35 of 48 (72.9%) persons infected with HIV-1 containing thymidine analog mutations (TAMs) had viruses that lacked a primary mutation (T215Y/F, K70R, or Q151M).

Genotypic determinants of the virological response to tenofovir disoproxil fumarate in nucleoside reverse transcriptase inhibitor-experienced patients.

PMID: 15259894 2004 Antiviral therapy

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.

PMID: 15262499 2004 Virology

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).

Abstract: Interestingly, the presence of the insertion together with mutation T215Y in an otherwise WT sequence background was not sufficient to confer high-level resistance to AZT, although its replication capacity was clearly impaired.

Effects of the Delta67 complex of mutations in human immunodeficiency virus type 1 reverse transcriptase on nucleoside analog excision.

PMID: 15331732 2004 Journal of virology

Abstract: HIV-1 RT containing the Delta67 complex of mutations was not able to excise as broad a range of NRTIs as the fingers insertion variant SSGR/T215Y, but it was able to polymerize efficiently with low concentrations of deoxynucleoside triphosphates and seems to be able to excise AZTMP and PMPA at lower ATP concentrations than AZT-R or SSGR/T215Y, suggesting that a virus containing the Delta67 complex of mutations would replicate reasonably well in quiescent cells, even in the presence of AZT.

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/

PMID: 15332433 2004 AIDS reviews

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.

PMID: 15472857 2004 Clinical infectious diseases

Abstract: The most common mutations were M184V, K65R, and M41L/T215Y.

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