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Drug: Melatonin

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Total 139 results found since Jan 2013.

Gut Flora Mediates the Rapid Tolerance of Electroacupuncture on Ischemic Stroke by Activating Melatonin Receptor through Regulating Indole-3-Propionic Acid
This study aimed to clarify the mechanisms of action of treatments of cerebral ischemic stroke from the perspective of gut microecology. We used a mouse model and cell cultures to investigate the effects of EA on the intestinal microflora in mice models of middle cerebral artery occlusion (MCAO) and the mechanisms underlying the antioxidant activities of metabolites. Fecal microbiota transplantation (FMT) was used to validate the roles of gut microbiota. Metabolomic analysis was performed to characterize the metabolic profile differences between the mice in the EA + MCAO and MCAO groups. Gavaging with feces relieved brain ...
Source: The American Journal of Chinese Medicine - April 27, 2022 Category: Complementary Medicine Authors: Shan Li Xiaoyong Zhao Feihong Lin Xuqing Ni Xia Liu Chang Kong Xinyu Yao Yunchang Mo Qinxue Dai Junlu Wang Source Type: research

Circadian Factors in Stroke: A Clinician ’s Perspective
AbstractStroke remains one of the leading causes of mortality and long-term and permanent disability worldwide despite technological innovations and developments in pharmacotherapy. In the last few decades, the growing data have evidenced the role of the circadian system in brain vulnerability to damage, the development and evolution of stroke, and short-term and long-term recovery. On the other hand, the stroke itself can affect the circadian system via direct injury of specific brain structures involved in circadian regulation (i.e., hypothalamus, retinohypothalamic tracts, etc.) and impairment of endogenous regulatory m...
Source: Cardiology and Therapy - May 16, 2023 Category: Cardiology Source Type: research

Preconditioned Stem Cells: a Promising Strategy for Cell-Based Ischemic Stroke Therapy.
Abstract Ischemic stroke is a leading cause of mortality and morbidity worldwide. Numerous therapeutic studies, including stem cell therapy, have been explored in order to find the possible approach treating cerebral ischemia effectively. However, massive grafted-cell death and low survival rate made us pessimistic about the widespread application of stem cell therapy. The approach of preconditioning stem cells became an attractive option due to its high cell viability after transplantation. In this review, we focused on preconditioning stem cells via cytokines, chemical drugs and other factors including interleuk...
Source: Current Drug Targets - June 23, 2014 Category: Drugs & Pharmacology Authors: Cai H, Zhang Z, Yang GY Tags: Curr Drug Targets Source Type: research

Melatonin as an Antioxidant for Stroke Neuroprotection.
Abstract Melatonin (N-acetyl-5-methoxytryptamine) is a hormone derived from the pineal gland that has wide range of clinical application. While melatonin was originally assessed as a hormone specializing in regulation of the normal circadian rhythm in mammals, it now has been shown to be an effective free radical scavenger and antioxidant. Current research has focused on Central Nervous System (CNS) disorders, stroke in particular, for potential melatonin-based therapeutics. As of now, the realm of potential therapy regimens is focused on three main treatments: exogenously delivered melatonin, pineal gland graftin...
Source: Cell Transplantation - October 22, 2015 Category: Cytology Authors: Watson N, Diamandis T, Gonzales-Portillo C, Reyes S, Borlongan CV Tags: Cell Transplant Source Type: research

Electroacupuncture Ameliorates Cognitive Impairment Through the Inhibition of NLRP3 Inflammasome Activation by Regulating Melatonin-Mediated Mitophagy in Stroke Rats
Neurochem Res. 2022 Mar 18. doi: 10.1007/s11064-022-03575-3. Online ahead of print.ABSTRACTPrevious studies found that electroacupuncture (EA) at the Shenting (DU24) and Baihui (DU20) acupoints alleviates cognitive impairment in cerebral ischemia-reperfusion (I/R) injury rats. Nonetheless, the mechanisms of the anti-inflammatory effects of EA are unclear. Cerebral I/R injury was induced in rats by middle cerebral artery occlusion (MCAO). Following I/R injury, the rats underwent EA therapy at the Shenting (DU24) and Baihui (DU20) acupoints for seven successive days. The Morris water maze test, magnetic resonance imaging (MR...
Source: Neurochemical Research - March 18, 2022 Category: Neuroscience Authors: Xiaoyong Zhong Bin Chen Zuanfang Li Ruhui Lin Su Ruan Fang Wang Hui Liang Jing Tao Source Type: research

Melatonin Offers Dual-Phase Protection to Brain Vessel Endothelial Cells in Prolonged Cerebral Ischemia-Recanalization Through Ameliorating ER Stress and Resolving Refractory Stress Granule
We report that melatonin treatment downregulates ER stress in the ischemic period and enhances dissociation of t he refractory SGs during reperfusion, thus offering dual-phase protection to BVECs in prolonged cerebral stroke. Mechanistically, melatonin enhances autophagy in BVECs, which preserves ER function and resolves refractory SGs. We, therefore, propose that melatonin is a potential treatment to extend t he time window of delayed recanalization therapy in AIS.
Source: Translational Stroke Research - October 1, 2022 Category: Neurology Source Type: research

Circadian rhythms of melatonin and cortisol in manifest Huntington's disease and in acute cortical ischemic stroke.
In conclusion, 1) abnormal pattern of melatonin release in the late stages of HD and in moderate AIS occurs in conjunction with phase-advanced rhythm of cortisol; 2) changes observed in late stages of HD are similar to those that occur with ageing; 3) brain regions other than the presumptive retinopineal neural pathway may play an important role in the pineal production of melatonin in humans; 4) lesion in extrahypothalamic region is related to the strong adrenal stimulation in response to AIS. PMID: 29151070 [PubMed - in process]
Source: Journal of Physiology and Pharmacology - November 22, 2017 Category: Drugs & Pharmacology Tags: J Physiol Pharmacol Source Type: research