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Neuroprotection on ischemic brain injury by Mg2+/H2 released from endovascular Mg implant

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收录情况: ◇ SCIE ◇ CSCD-C ◇ 卓越:高起点新刊

机构: [1]Department of Neurology and Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China [2]China-America Institute of Neuroscience and Beijing Institute of Geriatrics, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China [3]School of Materials Science and Engineering, Peking University, Beijing, 100871, China [4]Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China [5]Biomaterials Research Center, Northwest Institute for Non-ferrous Metal Research, Xi’an, 710016, China [6]School of Bioengineering, Beihang University, Beijing, 100191, China [7]The Key Laboratory of Resources and Environmental System Optimization, Ministry of Education, College of Environmental Science and Engineering, North China Electric Power University, Beijing, 100096, China
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关键词: Magnesium Acute ischemic stroke Neuroprotection Biodegradable implantation Hydrogen

摘要:
Most acute ischemic stroke patients with large vessel occlusion require stent implantation for complete recanalization. Yet, due to ischemia-reperfusion injury, over half of these patients still experience poor prognoses. Thus, neuroprotective treatment is imperative to alleviate the ischemic brain injury, and a proof-of-concept study was conducted on "biodegradable neuroprotective stent". This concept is premised on the hypothesis that locally released Mg2+/H2 from Mg metal within the bloodstream could offer synergistic neuroprotection against reperfusion injury in distant cerebral ischemic tissues. Initially, the study evaluated pure Mg's neuroactive potential using oxygen-glucose deprivation/reoxygenation (OGD/R) injured neuron cells. Subsequently, a pure Mg wire was implanted into the common carotid artery of the transient middle cerebral artery occlusion (MCAO) rat model to simulate human brain ischemia/reperfusion injury. In vitro analyses revealed that pure Mg extract aided mouse hippocampal neuronal cell (HT-22) in defending against OGD/R injury. Additionally, the protective effects of the Mg wire on behavioral abnormalities, neural injury, blood-brain barrier disruption, and cerebral blood flow reduction in MCAO rats were verified. Conclusively, Mg-based biodegradable neuroprotective implants could serve as an effective local Mg2+/H2 delivery system for treating distant cerebral ischemic diseases.© 2024 The Authors.

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出版当年[2023]版:
大类 | 1 区 医学
小类 | 1 区 工程:生物医学 1 区 材料科学:生物材料
最新[2023]版:
大类 | 1 区 医学
小类 | 1 区 工程:生物医学 1 区 材料科学:生物材料
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出版当年[2022]版:
Q1 ENGINEERING, BIOMEDICAL Q1 MATERIALS SCIENCE, BIOMATERIALS
最新[2023]版:
Q1 ENGINEERING, BIOMEDICAL Q1 MATERIALS SCIENCE, BIOMATERIALS

影响因子: 最新[2023版] 最新五年平均 出版当年[2022版] 出版当年五年平均 出版前一年[2021版] 出版后一年[2023版]

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第一作者机构: [1]Department of Neurology and Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China [2]China-America Institute of Neuroscience and Beijing Institute of Geriatrics, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
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通讯作者:
通讯机构: [1]Department of Neurology and Neurosurgery, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China [2]China-America Institute of Neuroscience and Beijing Institute of Geriatrics, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China [4]Beijing Institute for Brain Disorders, Capital Medical University, Beijing, 100069, China
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