Development of HIV with drug resistance after CD4 cell count-guided structured treatment interruptions in patients treated with highly active antiretroviral therapy after dual-nucleoside analogue treatment.
Abstract: RESULTS: After STI, one major drug-resistance mutation occurred (T215Y), and, in the 4 samples with preexisting major mutations (D67N [n=2], K70R [n=2], T215Y [n=2], and T215I [n=1]), the mutations disappeared.
[Study of resistance using the TRUGENE HIV-1 genotyping system and analysis of agreement between rule-based algorithms and virtual phenotyping].
PMID: 15757587
2005
Enfermedades infecciosas y microbiologia clinica
Abstract: The more frequent mutations to the ITIAN were T215Y/F (37.2%) and M184V (32.9%) following by other NAMS.
Comparison of the precision and sensitivity of the Antivirogram and PhenoSense HIV drug susceptibility assays.
PMID: 15764961
2005
Journal of acquired immune deficiency syndromes (1999)
Abstract: The PhenoSense assay was also significantly more likely than the Antivirogram assay to detect resistance to abacavir, didanosine, and stavudine in isolates with the common drug resistance mutations M41L, M184V, and T215Y (+/-L210W).
Evaluation of an oligonucleotide ligation assay for detection of mutations in HIV-1 subtype C individuals who have high level resistance to nucleoside reverse transcriptase inhibitors and non-nucleoside reverse transcriptase inhibitors.
PMID: 15794978
2005
Journal of virological methods
Abstract: For codons, K103N, Y181C, K65R, Q151M, M184V and T215Y/F, four or more mismatches compared to the probe or mismatches less than four bases from the ligation site were not tolerated.
Abstract: The aim was to evaluate OLA for detecting mutations K103N, Y181C, K65R, Q151M, M184V and T215Y/F in subtype C.
Clonal analyses of HIV quasispecies in patients harbouring plasma genotype with K65R mutation associated with thymidine analogue mutations or L74V substitution.
Abstract: We showed that the K65R and TAM such as M41L, D67N, T215Y/D, L210W and K219E can be borne by the same virus.
Clinically relevant genotype interpretation of resistance to didanosine.
PMID: 15855490
2005
Antimicrobial agents and chemotherapy
Abstract: Eight mutations were associated with a reduced response to ddI, M41L, D67N, T69D, L74V, V118I, L210W, T215Y/F, and K219Q/E, and two mutations were associated with a better response, K70R and M184V/I.
Abstract: The best prediction of the virologic response to ddI was obtained with a composite score comprising mutations added and subtracted (set II, M41L + T69D + L74V+ T215Y/F + K219Q/E - K70R -
[Genotypic resistence in patients infected with HIV and its correlation with therapy].
Abstract: A dipeptide insertion between codons 69 and 70 together with the amino acid substitution T215Y in the reverse transcriptase (RT)-coding region of human immunodeficiency virus type 1 (HIV-1) strains are known to confer phenotypic resistance to zidovudine (AZT) and stavudine (d4T).
A therapy-related point mutation changes the HLA restriction of an HIV-1 Pol epitope from A2 to B57 and enhances its recognition.
Abstract: In this study, we investigated CD8 T-cell recognition of wild-type HIV-1 Pol (RT 210-220) peptide LRWGFTTPDKK and of several variants incorporating common antiretroviral therapy-associated mutations (L210W, T215Y, Y215C).
Pharmacokinetics of didanosine and drug resistance mutations in infants exposed to zidovudine during gestation or postnatally and treated with didanosine or zidovudine in the first three months of life.
PMID: 15933559
2005
The Pediatric infectious disease journal
Abstract: The most common ZDV mutation noted at baseline was the T215Y/F (n = 7) mutation; 2 of these infants also had the M41L mutation, which is associated with high level ZDV resistance.