Gordon T. Bolger

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Hepatitis C virus (HCV) infection is a serious cause of chronic liver disease worldwide with more than 170 million infected individuals at risk of developing significant morbidity and mortality. Current interferon-based therapies are suboptimal especially in patients infected with HCV genotype 1, and they are poorly tolerated, highlighting the unmet medical(More)
A chemically heterogeneous group of compounds, the Ca++ channel antagonists, which includes verapamil, diltiazem and nifedipine inhibits excitation-contraction coupling in smooth and cardiac muscle by blocking Ca+ entry at a specific class of Ca++ channels. The binding of the nifedipine analog, [3H]nitrendipine, to a microsomal fraction from guinea-pig(More)
Nalmefene (6-methylene-naltrexone) is a potent, orally active, opiate antagonist. IC50's were obtained for nalmefene, naloxone and naltrexone using radiolabelled prototype ligands for mu, kappa and delta receptors in homogenates of rat brain minus cerebellum. Nalmefene antagonized the bindings of [3H]-dihydromorphine, [3H]-ethylketocyclazocine and(More)
Respiratory syncytial virus (RSV) is a major cause of respiratory illness in infants, immunocompromised patients, and the elderly. New antiviral agents would be important tools in the treatment of acute RSV disease. RSV encodes its own RNA-dependent RNA polymerase that is responsible for the synthesis of both genomic RNA and subgenomic mRNAs. The viral(More)
This study was carried out to characterize [3H]nitrendipine binding to cardiac membranes and to test the hypothesis that high affinity binding of Ca++ channel antagonists and agonists is to Ca++ channels. Binding was specific, rapid, reversible and stereoselective. The relative order of potency of nifedipine analogs for inhibition of binding was the same as(More)
From the discovery of competitive hexapeptide inhibitors, potent and selective HCV NS3 protease macrocyclic inhibitors have been identified. Structure-activity relationship studies were performed focusing on optimizing the N-terminal carbamate and the aromatic substituent on the (4R)-hydroxyproline moiety. Inhibitors meeting the potency criteria in the(More)
Herpes simplex virus infections are the cause of significant morbidity, and currently used therapeutics are largely based on modified nucleoside analogs that inhibit viral DNA polymerase function. To target this disease in a new way, we have identified and optimized selective thiazolylphenyl-containing inhibitors of the herpes simplex virus (HSV)(More)
This study interrogated whether different durations of intravenous infusions of lipocurc™ would alter curcumin metabolism, tissue distribution and whether treating necropsied tissues of Beagle dogs with phosphoric acid prior to measuring curcumin and its metabolite, tetrahydrocurcumin (THC), would stabilize the compounds allowing for accurate analytic(More)
Interactions of the nonbenzodiazepine anxiolytic, buspirone, with serotonin (5-HT) were studied using behavioral and neurochemical procedures. Punished responding was studied in pigeons as this behavior is a generally acknowledged preclinical predictor of anxiolytic activity and because buspirone increases punished responding of pigeons with greater potency(More)