نتایج جستجو برای: rvr
تعداد نتایج: 402 فیلتر نتایج به سال:
Rats exposed to chronic hypoxia (CH; 4 wk at 0.5 atm) exhibit attenuated renal vasoconstrictor reactivity to phenylephrine (PE). Preliminary studies from our laboratory suggest that this response is mediated by hypoxic induction of heme oxygenase (HO) and subsequent release of the endogenous vasodilator carbon monoxide. Because vascular HO mRNA is increased within hours of hypoxic exposure, we ...
BACKGROUND & AIM To compare the efficacy of pegylated-interferon (Peg-IFN) α-2a or α-2b and ribavirin given as dual therapy versus triple therapy (Peg-IFN and ribavirin plus boceprevir or telaprevir) in patients with HCV-1 chronic hepatitis naïve for anti-HCV therapy or relapsers to dual therapy in relation to the presence of constitutional, clinical and virological predictors of treatment resp...
Pegylated-IFN and ribavirin remains the current treatment for chronic HCV infection in patients co-infected with HIV-1, but this regimen has low efficacy rates, particularly for HCV genotype 1/4 infection, has severe side effects and is extremely costly. Therefore, accurate prediction of treatment response is urgently required. We have recently shown that the NK cell gene, KIR2DS3 and a SNP ass...
BACKGROUND The role of single nucleotide polymorphisms (SNPs) of interleukin (IL)-28B in predicting therapeutic response of pegylated interferon (peg-IFN) plus ribavirin (PR) for genotype 1 infected chronic hepatitis C patients with advanced fibrosis (AF) is limited. The aim of this study is to assess its role in predicting sustained virologic responses (SVR) to treatment. METHODS Forty-two p...
BACKGROUND SNPs near the interferon lambda (IFNL) 3 gene are predictors for sustained virological response (SVR) in patients with chronic hepatitis C genotype (GT) 1. In addition, a dinucleotide frame shift in ss469415590 was described, which generates IFNL4. In this study, we compared the role of IFNL4 variants with IFNL3-(rs12979860) and IFNL3-(rs8099917) on response to pegylated (PEG)-IFN an...
BACKGROUND For decades, peginterferon and ribavirin (PegIFN/RBV) have been the standard-of-care for chronic hepatitis C virus (CHC) infection. However, the actual cost-effectiveness of this therapy remains unclear. We purposed to explore the real-world cost effectiveness for subgroups of treatment-naïve CHC patients with PegIFN/RBV therapy in a large real-world cohort using a whole population d...
Hyperthyroidism in rats is associated with increased oxidative stress. These animals also show abnormal renal hemodynamics and an attenuated pressure-diuresis-natriuresis (PDN) response. We analyzed the role of oxidative stress as a mediator of these alterations by examining acute effects of tempol, a superoxide dismutase mimetic. The effects of increasing bolus doses of tempol (25-150 micromol...
Vitamin D serum levels seem to influence antiviral response in chronic hepatitis C. Vitamin D pathway is controlled by genes presenting functional single nucleotide polymorphisms (SNPs). Data regarding the association between these polymorphisms and the rate of sustained viral response (SVR) following antiviral treatment in chronic hepatitis C virus (HCV) infection are largely incomplete. Aim o...
OBJECTIVE(S) To examine the impact of ribavirin and abacavir coadministration on hepatitis C virus (HCV) virological response and trough ribavirin plasma concentration (Cmin) in HIV-HCV coinfected patients. DESIGN Pharmacokinetic substudy on patients from the ANRS CO-13 HEPAVIH cohort. METHODS Patients receiving ribavirin-pegylated interferon for whom a ribavirin steady state Cmin was prosp...
Septic shock is characterized by hypotension and decreased systemic vascular resistance and impaired vascular reactivity. Renal vasoconstriction markedly contrasts with sepsis-induced generalized systemic vasodilation, which is strongly dependent on nitric oxide. Whether maintained renal vascular reactivity to vasoconstrictors contributes to the decrease in renal blood flow (RBF) and GFR observ...
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