Avoiding Drug Resistance in HIV Reverse Transcriptase. [PDF]
HIV reverse transcriptase (RT) is an enzyme that plays a major role in the replication cycle of HIV and has been a key target of anti-HIV drug development efforts. Because of the high genetic diversity of the virus, mutations in RT can impart resistance to various RT inhibitors.
Cilento ME, Kirby KA, Sarafianos SG.
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Pyrophosphate Release in the Protein HIV Reverse Transcriptase. [PDF]
Enzymatic reactions usually occur in several steps: a step of substrate binding to the surface of the protein, a step of protein reorganization around the substrate and conduction of a chemical reaction, and a step of product release. The release of inorganic phosphate-PPi-from the matrix of the protein HIV reverse transcriptase is investigated ...
Atis M, Johnson KA, Elber R.
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Reverse transcriptase inhibition: a way to defeat HIV
Human immunodeficiency virus (HIV) induces disease in humans that is known as AIDS (acquired immunodeficiency syndrome). First AIDS cases were registered in 1981, and later, types of HIV infection, such as HIV-1 and HIV-2 were identified.
Vikas Kumar, Harish Joshi, I. Pandey
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Retroviral restriction factor APOBEC3G delays the initiation of DNA synthesis by HIV-1 reverse transcriptase. [PDF]
It is well established that the cytosine deaminase APOBEC3G can restrict HIV-1 virions in the absence of the virion infectivity factor (Vif) by inducing genome mutagenesis through deamination of cytosine to uracil in single-stranded HIV-1 (-)DNA. However,
Madison B Adolph +2 more
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Initiation of HIV-1 reverse transcription occurs at the host tRNALys 3, which forms a complex with the 5’ end of the HIV-1 viral RNA and reverse transcriptase (RT).
Betty Ha +7 more
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Cost-effectiveness of the third-agent class in treatment-naive human immunodeficiency virus-infected patients in Portugal. [PDF]
IntroductionCurrent Portuguese HIV treatment guidelines recommend initiating antiretroviral therapy with a regimen composed of two Nucleoside Reverse Transcriptase Inhibitors plus one Non-nucleoside Reverse Transcriptase Inhibitor (2NRTI+NNRTI) or two ...
Filipa Aragão +2 more
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Murine leukemia virus reverse transcriptase: Structural comparison with HIV-1 reverse transcriptase [PDF]
Recent X-ray crystal structure determinations of Moloney murine leukemia virus reverse transcriptase (MoMLV RT) have allowed for more accurate structure/function comparisons to HIV-1 RT than were formerly possible. Previous biochemical studies of MoMLV RT in conjunction with knowledge of sequence homologies to HIV-1 RT and overall fold similarities to ...
Marie L, Coté, Monica J, Roth
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The purpose of this paper is to evaluate the spreading of HIV-1 resistant to antiretroviral drugs among Tomsk Oblast population with newly diagnosed HIV-infection.Materials and methods.
D. P. Zyryanova +7 more
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In vitro and ex vivo inhibition of human telomerase by anti-HIV nucleoside reverse transcriptase inhibitors (NRTIs) but not by non-NRTIs. [PDF]
Telomerase is a specialized reverse transcriptase responsible for the de novo synthesis of telomeric DNA repeats. In addition to its established reverse transcriptase and terminal transferase activities, recent reports have revealed unexpected cellular ...
Kyle R Hukezalie +3 more
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The Molecular Docking of Specific Reverse Transcriptase Inhibitory Ligands onto the Molecular Model of HIV-1 Reverse Transcriptase [PDF]
HIV-1 reverse transcriptase (RT) is a crucial enzyme in HIV replication and AIDS progression. It consists of p66 and p51 subunits and converts viral RNA into double-stranded DNA for integration into the host cell's genome.
Roohallah Yousefi
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