نتایج جستجو برای: cerebroventricular
تعداد نتایج: 132 فیلتر نتایج به سال:
The maintenance of brain extracellular glutamate (Glu) at levels below its excitotoxic threshold is performed by Glu transporters present on glia and neurons as well as on brain capillary endothelial cells which remove brain Glu into blood. The feasibility of accelerating the naturally occurring brain-to-blood Glu efflux was studied using paradigms based on the fate of Glu present in the cerebr...
Hypoxia significantly reduced cholinergic theta activity in rat CA1 field and intracellular theta in the CA1 pyramidal cells, recorded in hippocampal slices. The hypoxic responses of the hippocampal CA1 pyramidal cells to a brief hypoxia consisted of a short period of "synaptic arrest", observed as an elimination of excitatory postsynaptic current under voltage clamp and recovered immediately a...
Although intravenous cyclosporine A (CsA) previously has been shown to cause a robust sympathetically mediated increase in blood pressure in the rat, the underlying mechanism by which CsA increases the activity of the sympathetic nervous system is unknown. To determine the relative contributions of central neural versus peripheral reflex mechanisms in causing this sympathetic activation, we rec...
Cholinergic neurons of the forebrain respond trophically to nerve growth factor (NGF) in some experimental circumstances. The cholinergic cell system of the nucleus basalis magnocellularis (NBM) which projects to the cortex shows signs of cellular degeneration following limited devascularizing cortical lesions, while no apparent damage is observed in the remaining ipsilateral cortex. These chol...
Previous studies revealed the presence of LTC(4) synthase in paraventricular vasopressinergic neurons, suggesting a role for leukotrienes (LTs) in certain neuroendocrine system functions. Our aim was to study the effect of an inhibitor of LT synthesis in the release of arginine vasopressin (AVP) following an osmotic stimulus in rats. Male Wistar rats received an intra-cerebroventricular injecti...
The possible involvement of the PI3K/AKT/BDNF/VGF signaling in rapid-acting antidepressant-like effects of antidepressants has been explored progressively by more studies. However, whether this signaling participates in the antidepressant-like effects of acetyl-l-carnitine (ALC) has not been examined. Herein, we assessed the antidepressant-like effects of ALC using the forced swimming test (FST...
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