نتایج جستجو برای: monoaminergic system
تعداد نتایج: 2231925 فیلتر نتایج به سال:
Using histochemical and immunocytochemical methods the intramural neural tissue of the pancreas was investigated in non-diabetic and in alloxan-diabetic rats. It was demonstrated that the non-diabetic pancreas contains an average of 2.71 cells/mm3 tissue that react positive for activity of acetylcholinesterase and 2.38 cells/mm3 tissue that show monoamine oxidase activity. Both cholinergic and ...
This study was aimed to explore the sleep/wake states related cortico-pontine theta carrier frequency phase shift following a systemically induced chemical axotomy of the monoaminergic afferents within a brain of the freely moving rats. Our experiments were performed in 14 adult, male Sprague Dawley rats, chronically implanted for sleep recording. We recorded sleep during baseline condition, fo...
Monoaminergic neurons include the physiologically important central serotonergic and noradrenergic subtypes. Here, we identify the zinc-finger transcription factor, Insm1, as a crucial mediator of the differentiation of both subtypes, and in particular the acquisition of their neurotransmitter phenotype. Insm1 is expressed in hindbrain progenitors of monoaminergic neurons as they exit the cell ...
Descending serotonergic, noradrenergic, and dopaminergic systems project diffusely to sensory, motor and autonomic spinal cord regions. Using neonatal mice, this study examined monoaminergic modulation of visceral sensory input and sympathetic preganglionic output. Whole-cell recordings from sympathetic preganglionic neurons (SPNs) in spinal cord slice demonstrated that serotonin, noradrenaline...
In the recent past, the importance of the fish brain monoaminergic system in aggression, mating and feeding has been documented. There are several apparent similarities between the functioning of the fish and mammalian monoaminergic systems. In fish, the hypermetabolism of catecholamines (norepinephrine and dopamine) and indoleamine (serotonin, 5-hydroxytryptamine, 5-HT) has been found to be as...
Anabolic androgenic steroids and central monoaminergic systems Supratherapeutic doses of nandrolone decanoate affect dopamine and serotonin
Histamine levels in thiamine deficient rats were significantly lower in the hippocampus, amygdala, olfactory bulb, thalamus and pons-medulla oblongata than those of normal and pair-fed groups. In the case of the hypothalamus, thiamine deficiency produced a significant increase in histamine levels. These changes observed in the thiamine deficient group were reversed to the normal levels by suppl...
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