Browse Items (54 total)

Numerous drugs of abuse that elevate brain extracellular dopamine concentrations by either increasing the firing rate of dopaminergic neurons or producing dopamine release have been shown to reliably condition a preference for place. If dopamine…

Lateral ventricular administration of angiotensin II (ANG II) produces potent dipsogenic effects in water-sated rats. ANG II seems to require functional voltage-gated calcium channels on neurons throughout circumventricular brain sites to exert its…

Recent reports cite results that both cocaine-induced conditioned place preference and activity stimulation are attenuated by pretreatment with the calcium channel blocker isradipine (ISR) in rats. By blocking voltage-dependent

HDL and apolipoprotein A1 (apoA1) concentrations inversely correlate with risk of death from ischemic heart disease; however, the role of apoA1 in the myocardial response to ischemia has not been well defined. To test whether apoA1, the primary HDL…

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1. Serotonin (5-HT) and selective 5-HT receptor agonists were administered intrathecally (i.t.) in rats, and the antinociceptive efficacy of these agents was assessed on the tail-flick and hot plate tests. 2. The 5-HT receptor agonists examined in…

These studies were designed to investigate how the aging process alters the spinal antinociceptive efficacy of mu (mu), delta (delta) and epsilon (epsilon) opioid receptor agonists administered intrathecally (i.t.) in rats. Various doses of the mu…

In rats, restraint exposure potentiates the magnitude and duration of analgesia following both the peripheral and intracerebroventricular administration of several opioid agonists as compared to non-stressed controls. It has been suggested that the…

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