نتایج جستجو برای: reverse transcriptase inhibitor
تعداد نتایج: 313286 فیلتر نتایج به سال:
Tetrahydroimidazo-[4,5,l-jk][1,4]-benzodiazepin-2-(1H)-one (TIBO) derivatives are important nonnucleoside human immunodeficiency virus-1 reverse transcriptase inhibitors (NNRTI). Several TIBO derivatives have shown high potency to inhibit reverse transcriptase (RT) and one (Tivirapine) has entered into clinical trials. The free energy of binding (FEB) is a numerical way to express the binding a...
Mitochondrial DNA (mtDNA) mutations cause neurological and multisystem disease. Somatic (acquired) mtDNA mutations are also associated with degenerative diseases and with normal human ageing. It is well established that certain nucleoside reverse transcriptase inhibitor (NRTI) antiretroviral drugs cause inhibition of the mtDNA polymerase, pol γ, leading to a reduction in mtDNA content (depletio...
We investigated the effect of N348I alone and with M184V on nonnucleoside reverse transcriptase inhibitor (NNRTI) drug susceptibility and replicative capacity in B and non-B HIV-1 isolates. N348I reduced the susceptibility to all NNRTI drugs across subtypes. The replication capacity of all viruses in a variety of cell lines was impaired by N348I. Interestingly, the N348I and M184V double mutati...
Using standard and ultrasensitive techniques, we detected nonnucleoside reverse-transcriptase inhibitor-associated resistance mutations in 11 (20%) of 54 subjects who discontinued virologically suppressive nonnucleoside reverse-transcriptase inhibitor-containing antiretroviral therapy. Resistance was detected in 45% and 14% of subjects with a baseline human immunodeficiency virus type 1 RNA lev...
Telomerase, a ribonucleoprotein acting as a reverse transcriptase, has been identified as a target for cancer drug discovery. The synthetic, non-nucleosidic compound, BIBR1532, is a potent and selective telomerase inhibitor capable of inducing senescence in human cancer cells (). In the present study, the mode of drug action was characterized. BIBR1532 inhibits the native and recombinant human ...
The triple-drug once-daily combination pill containing tenofovir, emtricitabine and rilpivirine for HIV treatment was launched in 2011, both in the USA (Complera) and the E.U. (Eviplera). The active ingredients of Complera or Eviplera are the nucleotide reverse transcriptase inhibitor (NtRTI) tenofovir, the nucleoside reverse transcriptase inhibitor (NRTI) emtricitabine, and the non-nucleoside ...
BACKGROUND Newer antiretroviral treatment regimens for HIV carry a lower risk of inducing drug resistance mutations. We estimated changes in incidence rates (IRs) of new mutations in HIV-infected individuals receiving highly active antiretroviral therapy (HAART). METHODS Population-based data were obtained from the Danish HIV Cohort Study and the Danish HIV Sequence Database. We included trea...
BACKGROUND Early initiated antiretroviral therapy (ART) in HIV infected infants leads to improved long-term viral suppression and survival. Guidelines recommend initiating therapy with a triple ART consisting of two nucleoside reverse transcriptase inhibitors (NRTIs) and either one additional non-nucleoside reverse transcriptase inhibitor (NNRTI) or a protease inhibitor (PI). Compared to older ...
Currently, nucleoside reverse transcriptase inhibitors (NRTIs) and nonnucleoside reverse transcriptase inhibitors (NNRTIs) are two classes of antiretroviral agents that are approved for treatment of HIV-1 infection. Since both NRTIs and NNRTIs target the polymerase (pol) domain of reverse transcriptase (RT), most genotypic analysis for drug resistance is limited to the first ~300 amino acids of...
Highly-potent antiretroviral therapy is necessary to avoid viral replication in HIV patients; however, it can favor the appearance of resistance mutations. The mutations 41L, 67N, 70R, 210W, 215Y/F, 219E/Q, 44D and 118I are defined as nucleoside analogous mutations (NAMs), because they affect the efficacy of all nucleoside reverse transcriptase inhibitors (NRTI). The mutation most frequently as...
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