نتایج جستجو برای: nvp
تعداد نتایج: 1232 فیلتر نتایج به سال:
BACKGROUND Stevens-Johnson syndrome (SJS) is an acute life-threatening condition often elicited by drugs. The government's indecisiveness in deciding to stop the use of nevirapine (NVP) in HIV-infected pregnant women owing to the increase of SJS among this population group in South Africa prompted this investigation. OBJECTIVES To investigate if pregnancy is a risk factor for SJS among HIV-in...
Effective antiretroviral (ARV) therapy depends on adequate drug exposure, yet methods to assess ARV exposure are limited. Concentrations of ARV in hair are the product of steady-state pharmacokinetics factors and longitudinal adherence. We investigated nevirapine (NVP) concentrations in hair as a predictor of treatment response in women receiving ARVs. In participants of the Women's Interagency...
We describe the biological properties of NVP-AUY922, a novel resorcinylic isoxazole amide heat shock protein 90 (HSP90) inhibitor. NVP-AUY922 potently inhibits HSP90 (K(d) = 1.7 nmol/L) and proliferation of human tumor cells with GI(50) values of approximately 2 to 40 nmol/L, inducing G(1)-G(2) arrest and apoptosis. Activity is independent of NQO1/DT-diaphorase, maintained in drug-resistant cel...
Aberrant genetic alternations in human gliomas, such as amplification of epidermal growth factor receptor, mutation and/or deletion of tumor suppressor gene PTEN, and mutations of PIK3CA, contribute to constitutive activation of the phosphatidylinositol 3-kinase (PI3K) pathway. We investigated the potential antitumor activity of NVP-BEZ235, which is a novel dual PI3K/mammalian target of rapamyc...
We have synthesized a histone deacetylase inhibitor, NVP-LAQ824, a cinnamic hydroxamic acid, that inhibited in vitro enzymatic activities and transcriptionally activated the p21 promoter in reporter gene assays. NVP-LAQ824 selectively inhibited growth of cancer cell lines at submicromolar levels after 48-72 h of exposure, whereas higher concentrations and longer exposure times were required to ...
Heat-shock protein 90 (HSP90) is a major cellular chaperone protein. HSP90 supports the correct conformation, stabilization, activation, and localization of 'client' oncoproteins, many of which are involved in tumor progression. Therefore, the use of HSP90 inhibitors has become a new strategy in antitumor therapy. However, the effects of an HSP90 inhibitor on oral squamous cell carcinoma are st...
Heat shock protein 90 (Hsp90) is a ubiquitously expressed molecular chaperone with ATPase activity involved in the conformational maturation and stability of key signaling molecules involved in cell proliferation, survival, and transformation. Through its ability to modulate multiple pathways involved in oncogenesis, Hsp90 has generated considerable interest as a therapeutic target. NVP-BEP800 ...
The relative potency and tolerability of multidrug regimens used to treat infants and children infected with human immunodeficiency virus type 1 (HIV-1) are largely unknown. In Pediatric AIDS Clinical Trials Group (PACTG) Protocol 377, 181 infants and children were assigned to receive stavudine (d4T) plus nevirapine (NVP) and ritonavir (RTV); d4T plus lamivudine (3TC) and nelfinavir (NFV); d4T ...
When HIV-1 is exposed to lamivudine (3TC) at inhibitory concentrations, resistant variants carrying the reverse transcriptase (RT) substitution M184V emerge rapidly. This substitution confers high-level 3TC resistance and increased RT fidelity. We established a novel in vitro system to study the effect of starting nevirapine (NVP) in 3TC-resistant/NNRTI-naïve clinical isolates, and the impact o...
Nausea and vomiting of pregnancy (NVP) is a common medical condition in pregnancy with significant physical and psychological morbidity. Up to 90% of women will suffer from NVP symptoms in the first trimester of pregnancy with up to 2% developing hyperemesis gravidarum which is NVP at its worst, leading to hospitalization and even death in extreme cases. Optimal management of NVP begins with no...
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