Browse Items (215 total)

We investigated the effect of ginsenoside Rg(2) on neurotoxic activities induced by glutamate in PC12 cells. The cells were incubated with glutamate (1 mmol/L), glutamate and ginsenoside Rg(2) (0.05, 0.1, 0.2 mmol/L) or nimodipine (5 mu mol/L for 24…

In the present report adult female rats were ovariectomized (OVX) and assigned to one of four treatment conditions. Treatments consisted of administering pellets containing 17 beta-oestradiol (E), tamoxifen (TMX), a combination of TMX and E or no…

Adult female rats were ovariectomized and received a 21-day release pellet containing either (17)beta-estradiol (0.1 mg), tamoxifen (5.0 mg), a combination of estradiol and tamoxifen or no further treatment. At 14 days following ovariectomy +/-…

Human pregnancy zone protein (PZP) is a major pregnancy-associated plasma protein closely related to human alpha(2)-macroglobulin (alpha(2)M). It has been demonstrated that monoamine-activated forms of human and rat alpha(2)M and rat alpha(2)M can…

Developmental alterations in N-methyl-D-aspartate (NMDA)-stimulated [H-3]norepinephrine release from rat brain cortical and hippocampal slices were studied. NMDA (10-1000 muM) resulted in a concentration-dependent increase in [H-3]norepinephrine…

Prior research has established that escape impairment resulting from prior inescapable shock (IS) could be reversed by the peripheral administration of the opiate antagonist naltrexone (NTX), but not the quaternary form of naltrexone (QNTX), which…

The gene for cholesterol 7 alpha-hydroxylase (CYP7A1) contains a sequence at nt -149 to -118 that was found to play a large role in determining the overall transcriptional activity and regulation of the promoter. Hepatocyte nuclear factor 4 (HNF4)…

The positive chronotropic and inotropic effects of vasoactive intestinal peptide, VIP, were studied in an isolated canine right atrial preparation, Atria were removed, maintained in a bath, and perfused with Tyrode's solution. Contractile force and…

Drug discrimination studies were conducted in six male Sprague-Dawley rats trained to discriminate the interoceptive cues produced by 10 mg/kg cocaine in an effort to investigate if there is stimulus generalization to phentermine or phentermine +…

Diabetes and obesity have reached an epidemic status worldwide. Diabetes increases the risk for cardiovascular disease and non-alcoholic fatty liver disease. Primary bile acids are synthesized in hepatocytes and are transformed to secondary bile…

The neurochemical heterogeneity of the rat striatum was assessed in vivo by measuring subregional changes in extracellular dopamine and DOPAC by in vivo electrochemistry and microdialysis in response to amphetamine and the D2 antagonist,…

We studied the ontogeny of muscarinic depression in the developing rat visual cortex using carbachol (a nonhydrolyzable cholinergic agonist) application to neocortical slices obtained from four postnatal age groups: 9-10 days, 15 days,

Long-term potentiation (LTP) is a candidate for the synaptic alternations underlying memory storage in the mammalian CNS. In this chapter LTP in hippocampus and in visual neocortex are compared. Comparisons of the optimal tetanus parameters revealed…

Specific behaviors comprising the serotonin syndrome (low body posture, forepaw treading, headweaving) and the autonomic signs of piloerection and salivation were determined and analyzed with locomotor activity in response to MDMA at three doses…

The drug discrimination paradigm was used to evaluate the contribution of dopamine or serotonin receptors in the mediation of the stimulus properties of ethanol. Briefly, rats were trained to discriminate between ethanol (600 mg/kg, IP) and water…

Recent evidence indicates that when 1-(3-trifluoromethylphenyl)piperazine (TFMPP) is used as a training drug in the drug discrimination paradigm it produces a stimulus effect that is site-selective at the 5-HT1B receptor. The present study sought to…

To further clarify the role of 5-hydroxytryptamine (5HT) in the behavioral effects of tetrahydro-beta-carboline, male rats were trained to discriminate either 20 mg/kg THBC from its vehicle (n = 10) or 2.0 mg/kg fenfluramine from saline (n = 5). THBC…

The purpose of this study was to examine whether first training rats to discriminate the stimulus cues produced by an indirect dopamine agonist, cathinone, would influence a subsequent test of preference. The conditioned place preference (CPP)…

Rats were trained to discriminate phenylephrine in a two-lever, food-motivated operant task by increasing the i.p. administered training dose from 0.8 to 2 mg/kg. Stable discrimination to 2 mg/kg phenylephrine was established and testing of 0.5-2.5…

Immunoreactivities for estrogen receptor-alpha (ER-alpha) and ER-beta are expressed in sensory neurons of the dorsal root ganglia (DRG). It has not been established, however, if the two receptor subtypes coexist in the same neuron. Double-staining…

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