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Nutrition: Chloride
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Total 498 results found since Jan 2013.
The Ca2+-gated channel TMEM16A amplifies capillary pericyte contraction and reduces cerebral blood flow after ischemia
Pericyte-mediated capillary constriction decreases cerebral blood flow in stroke after an occluded artery is unblocked. The determinants of pericyte tone are poorly understood. We show that a small rise in cytoplasmic Ca2+ concentration ([Ca2+]i) in pericytes activated chloride efflux through the Ca2+-gated anion channel TMEM16A, thus depolarizing the cell and opening voltage-gated calcium channels. This mechanism strongly amplified the pericyte [Ca2+]i rise and capillary constriction evoked by contractile agonists and ischemia. In a rodent stroke model, TMEM16A inhibition slowed the ischemia-evoked pericyte [Ca2+]i rise, ...
Source: Journal of Clinical Investigation - May 2, 2022 Category: Biomedical Science Authors: Nils Korte, Zeki Ilkan, Claire L. Pearson, Thomas Pfeiffer, Prabhav Singhal, Jason R. Rock, Huma Sethi, Dipender Gill, David Attwell, Paolo Tammaro Source Type: research
An Optimal Animal Model of Ischemic Stroke Established by Digital Subtraction Angiography-Guided Autologous Thrombi in Cynomolgus Monkeys
ConclusionOur study may provide an optimal non-human primate model for an in-depth study of the pathogenesis and treatment of focal cerebral ischemia.
Source: Frontiers in Neurology - April 25, 2022 Category: Neurology Source Type: research
Lithium upregulates growth-associated protein-43 (GAP-43) and postsynaptic density-95 (PSD-95) in cultured neurons exposed to oxygen-glucose deprivation and improves electrophysiological outcomes in rats subjected to transient focal cerebral ischemia following a long-term recovery period
CONCLUSION: Lithium upregulates BDNF, GAP-43, and PSD-95, which partly accounts for its improvement of neuroplasticity and provision of long-term neuroprotection in the ischemic brain.Abbreviations: BDNF: brain-derived neurotrophic factor; ECM: extracellular matrix; EDTA: ethylenediaminetetraacetic acid; GAP-43: growth-associated protein-43; GSK-3β: glycogen synthase kinase-3β; HBSS: Hank's balanced salt solution; LCBF: local cortical blood perfusion; LDF: laser-Doppler flowmetry; MCAO: middle cerebral artery occlusion; MMP: matrix metalloproteinase; NMDA: N-methyl-D-aspartate; NMDAR: N-methyl-D-aspartate receptor; OCT: ...
Source: Neurological Research - March 29, 2022 Category: Neurology Authors: Shih-Huang Tai Sheng-Yang Huang Liang-Chun Chao Yu-Wen Lin Chien-Chih Huang Tian-Shung Wu Yan-Shen Shan Ai-Hua Lee E-Jian Lee Source Type: research
Transcription Factor HEY1 Improves Brain Vascular Endothelial Cell Function and Alleviates Ischemic Stroke by Upregulating NOTCH3
Neurochem Res. 2022 Mar 22. doi: 10.1007/s11064-022-03544-w. Online ahead of print.ABSTRACTTo investigate the function of hairy/enhancer-of-split related with YRPW motif protein 1 (HEY1) and Notch receptor 3 (NOTCH3) in ischemic stroke. Stroke models were established by middle cerebral artery occlusion (MCAO) and oxygen glucose deprivation (OGD) in rats and rat brain microvascular endothelial cells (BMVECs), respectively. Neurological deficit evaluation and 2,3,5-triphenyltetrazolium chloride staining were used to assess cerebral injury. The expression of HEY1 and NOTCH3 was manipulated using gain and loss of function appr...
Source: Neurochemical Research - March 22, 2022 Category: Neuroscience Authors: Tingting Zhu Hongxi Chen Cuihong He Xiaojuan Liu Source Type: research
Fraxetin protects rat brains from the cerebral stroke via promoting angiogenesis and activating PI3K/Akt pathway
CONCLUSION: Fraxetin has protective effects on the brain ischemia-reperfusion injury and promotes angiogenesis for cerebral repair via phosphorylation of PI3K and Akt.PMID:35285387 | DOI:10.1080/08923973.2022.2052893
Source: Immunopharmacology and Immunotoxicology - March 14, 2022 Category: Allergy & Immunology Authors: Yuhuan Cui Meihong Liu Li Zuo Haiyan Wang Jian Liu Source Type: research
Evaluation of anti-inflammatory diphenyldihaloketone EF24 in transient ischemic stroke model
CONCLUSIONS: EF24 controls infarct growth and suppresses tissue inflammation in ischemic stroke, which can be monitored by 18F-FGA uptake.PMID:35254869 | DOI:10.1080/02699052.2022.2034959
Source: Brain Injury - March 7, 2022 Category: Neurology Authors: Alexander Mdzinarishvili Hailey Houson Andria Hedrick Vibhudutta Awasthi Source Type: research
