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Stem cell factor protects against chronic ischemic retinal injury by modulating on neurovascular unit

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机构: [1]Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University, Beijing, China [2]Department of Pediatric Newborn Medicine, Brigham and Women’s Hospital and Harvard Medical School, Boston, MA, United States [3]Key Laboratory for Regenerative Medicine of Ministry of Education, Institute of Hematology, School of Medicine, Jinan University, Guangzhou, China [4]Department of Ophthalmology, Beijing Anzhen Hospital, Capital Medical University, Beijing, China [5]Department of Ophthalmology, Beijing Luhe Hospital, Capital Medical University, Beijing, China [6]Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing, China [7]Beijing Tongren Eye Center, Beijing Key Laboratory of Ophthalmology and Visual Science, Beijing Tongren Hospital, Capital Medical University, Beijing, China
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关键词: Stem cell factor Ischemic retina Wnt7 Neurovascular unit Neuroprotection

摘要:
Retinal ischemia is a significant factor in various vision-threatening diseases, but effective treatments are currently lacking. This study explores the potential of stem cell factor (SCF) in regulating the neurovascular unit as a therapeutic intervention for retinal ischemic diseases. A chronic retinal ischemia model was established in Brown Norway rats using bilateral common carotid artery occlusion (BCCAO). Subsequent SCF treatment resulted in a remarkable recovery of retinal function, as indicated by electroretinogram, light/dark transition test, and optokinetic head tracking test results. Histological examination demonstrated a significant increase in the number of retinal neurons and an overall thickening of the retina. Immunofluorescence confirmed these findings and further demonstrated that SCF treatment regulated retinal remodeling. Notably, SCF treatment ameliorated the disrupted expression of synaptic markers in the control group's BCCAO rats and suppressed the activation of Müller cells and microglia. Retinal whole-mount analysis revealed a significant improvement in the abnormalities in retinal vasculature following SCF treatment. Transcriptome sequencing analysis revealed that SCF-induced transcriptome changes were closely linked to the Wnt7 pathway. Key members of the Wnt7 pathway, exhibited significant upregulation following SCF treatment. These results underscore the protective role of SCF in the neurovascular unit of retinal ischemia rats by modulating the Wnt7 pathway. SCF administration emerges as a promising therapeutic strategy for retinal ischemia-related diseases, offering potential avenues for future clinical interventions.Copyright © 2024 The Authors. Published by Elsevier Masson SAS.. All rights reserved.

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出版当年[2023]版:
大类 | 2 区 医学
小类 | 1 区 药学 2 区 医学:研究与实验
最新[2025]版:
大类 | 2 区 医学
小类 | 2 区 医学:研究与实验 2 区 药学
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出版当年[2022]版:
Q1 MEDICINE, RESEARCH & EXPERIMENTAL Q1 PHARMACOLOGY & PHARMACY
最新[2023]版:
Q1 MEDICINE, RESEARCH & EXPERIMENTAL Q1 PHARMACOLOGY & PHARMACY

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 Ophthalmology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
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通讯机构: [1]Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University, Beijing, China [*1]Department of Ophthalmology, Beijing Friendship Hospital, Capital Medical University, Beijing 100050, China
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