نتایج جستجو برای: integrase inhibitors
تعداد نتایج: 191203 فیلتر نتایج به سال:
We have identified 1H-benzylindole analogues as a novel series of human immunodeficiency virus (HIV) integrase inhibitors with antiretroviral activities against different strains of HIV type 1 (HIV-1), HIV-2, and simian immunodeficiency virus strain MAC(251) [SIV(MAC(251))]. Molecular modeling and structure-activity relationship-based optimization resulted in the identification of CHI/1043 as t...
To gain further insight into the understanding of the antiviral resistance patterns and mechanisms of the integrase strand transfer inhibitor L-870,810, the prototypical naphthyridine analogue, we passaged the human immunodeficiency virus type 1 strain HIV-1(III(B)) in cell culture in the presence of increasing concentrations of L-870,810 (III(B)/L-870,810). The mutations L74M, E92Q, and S230N ...
A series of HIV integrase (HIV-1 IN) inhibitors were synthesized to evaluate the role of the metal-binding group (MBG) in this class of metalloenzyme inhibitors. A total of 21 different raltegravir-chelator derivative (RCD) compounds were prepared that differed only in the nature of the MBG. These IN strand-transfer inhibitors (INSTIs) were evaluated in vitro in cell-free enzyme activity assays...
UNLABELLED The R263K substitution in integrase has been selected in tissue culture with dolutegravir (DTG) and has been reported for several treatment-experienced individuals receiving DTG as part of salvage therapy. The R263K substitution seems to be incompatible with the presence of common resistance mutations associated with raltegravir (RAL), a different integrase strand transfer inhibitor ...
S/GSK1349572 is a next-generation HIV integrase (IN) inhibitor designed to deliver potent antiviral activity with a low-milligram once-daily dose requiring no pharmacokinetic (PK) booster. In addition, S/GSK1349572 demonstrates activity against clinically relevant IN mutant viruses and has potential for a high genetic barrier to resistance. S/GSK1349572 is a two-metal-binding HIV integrase stra...
BACKGROUND Antiretroviral agents pose a high risk for drug-drug interactions (DDIs), mainly but not limited to being a substrate, inducer or inhibitor of P450 cytochrome enzymes. In part metabolised by other pathways, integrase inhibitors might show a more favourable profile. The aim of this study was to investigate the prevalence of DDIs in daily clinical practice for patients starting differe...
Internet Electronic Conference of Molecular Design 2003, November 23 – December 6 Abstract Motivation. A continuous demand exists for novel bioactive molecules. When a lead structure has been discovered and looks promising for further development, series of analogues will be made. Normally, the synthesis of many compounds is required to improve on the activity, or to keep good activity while op...
The use of integrase inhibitors (INI) is increasing in antiretroviral therapies (ART) and INI are not all equal regarding genetic barrier to resistance. The aim of this manuscript was to review main in vivo and in vitro knowledge about two particular integrase resistance-associated mutations: R263K and E157Q. The R263K mutation was the first mutation rarely found selected at time of virological...
Integrase (IN) represents a clinically validated target for the development of antivirals against human immunodeficiency virus (HIV). In recent years our research group has been engaged in the stucture-function study of this enzyme and in the development of some three-dimensional pharmacophore models which have led to the identification of a large series of potent HIV-1 integrase strand-transfe...
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