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Drug dependence is characterized by dysregulation of brain reward systems and increased sensitivity to stress. Chronic exposure to drugs of abuse is associated with increased expression of the neuropeptide dynorphin, the endogenous ligand for kappa opioid receptors (KORs). Activation of KORs causes depressive- and aversive-like responses in rodents, raising(More)
Total parenteral nutrition is used for nutritional support in patients undergoing orthotopic liver transplantation but is associated with complications. We compared the efficacy and tolerability of early enteral feeding with total parenteral nutrition after liver transplantation. 24 patients were studied: 14 received enteral feeding and 10 total parenteral(More)
N-acetylcysteine (NAC) is an antioxidant agent which has been shown to benefit patients with fulminant hepatic failure. We have examined its effect in patients with chronic liver disease undergoing orthotopic liver transplantation by giving NAC during operation. In a prospective, randomized, double-blind, placebo-controlled study of 50 patients, NAC(More)
Immortalized GT1-7 neurons were used to characterize the effect of muscimol, a GABAA receptor agonist, to enhance pulsatile gonadotropin-releasing hormone (GnRH) release. GT1-7 neurons were grown on Cytodex-3 beads and placed in special superfusion microchambers. The cells were superfused at a rate of 6.2 ml x h-1 with Media 199 (pH 7.35) using a(More)
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