نتایج جستجو برای: muscarinic receptors
تعداد نتایج: 228834 فیلتر نتایج به سال:
Muscarinic cholinergic receptors modulate dopaminergic function in brain pathways thought to mediate cocaine’s abuse-related effects. Here we sought to confirm and extend in the mouse species findings that nonselective muscarinic receptor antagonists can enhance cocaine’s discriminative stimulus. More importantly, we tested the hypothesis that muscarinic receptor agonists with varied receptor s...
Long time ago, it was described the selective loss of cholinergic neurons during the development of Alzheimer disease (AD). Recently, it has been suggested that tau protein may play a role in that loss of cholinergic neurons through a mechanism involving the interaction of extracellular tau with M1/M3 muscarinic receptors present in the cholinergic neurons. This interaction between tau and musc...
Background and Aims: The object of this study was the investigation central antinociceptive effects naringin as well association stimulation opioidergic, serotonergic, adrenergic, cholinergic (muscarinic nicotinic) receptors to analgesia mice due naringin. Methods: Several intraperitoneal doses (20, 40, 80 mg/kg) were injected into models analyzed via hot-plate (integrated supraspinal response)...
The influence of bilateral electrolytic lesions of different parts of the septum on muscarinic receptor binding in the hippocampus was studied within 14-21 days after operation. The effect of total septal lesion upon receptor binding was also investigated separately in the dorsal and ventral hippocampus and in five consecutive hippocampal parts along the septotemporal axis of the structure. The...
Objective: Activation of cholinergic muscarinic receptors leads to activation of membrane bound phospholipase C, leading to generation of IP3 and diacylglycérol, The present study aimed at measuring muscarinic receptor-mediated phosphoinositide breakdown in three different regions of rat brain. Methods: Cortical, hippocampal and striatal slices labeled with [3H] myo-inositol were incubated with...
Muscarinic acetylcholine receptor (mAChR), a member of the G-protein-coupled receptors (GPCRs) gene superfamily, has been shown to mediate the effects of acetylcholine on differentiation and proliferation in the CNS. However, the mechanism or mechanisms whereby mAChRs regulate cell proliferation remain poorly understood. Here we show that in vitro bFGF-expanded neural progenitor cells dissociat...
Emerging evidence indicates that muscarinic receptors and ligands play key roles in regulating cellular proliferation and cancer progression. Both neuronal and nonneuronal acetylcholine production results in neurocrine, paracrine, and autocrine promotion of cell proliferation, apoptosis, migration, and other features critical for cancer cell survival and spread. The present review comprises a f...
Previous studies have indicated that denervation of adult rodent sweat glands results in the loss of secretory responsiveness to muscarinic agonists. To elucidate the molecular basis of this loss, we have characterized the muscarinic cholinergic receptor present in adult rat sweat glands and examined the effects of cholinergic denervation on its properties and expression. When homogenates of gl...
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