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Subventricular zone-derived extracellular vesicles promote functional recovery in rat model of spinal cord injury by inhibition of NLRP3 inflammasome complex formation
Mohammed, Ibrahim1; Ijaz, Sahar1; Mokhtari, Tahmineh2,3; Gholaminejhad, Morteza1; Mahdavipour, Marzieh1; Jameie, Behnamedin4; Akbari, Mohammad1; Hassanzadeh, Gholamreza1
First AuthorMohammed, Ibrahim
Correspondent Emailgholamreza hassanzadeh hassanzadeh@tums.ac.ir
Contribution Rank2
Abstract

Spinal cord injury (SCI) is the destruction of spinal cord motor and sensory resulted from an attack on the spinal cord, which can cause significant physiological damage. The inflammasome is a multiprotein oligomer resulting in inflammation; the NLRP3 inflammasome composed of NLRP3, apoptosis-associated speck-like protein (ASC), procaspase-1, and cleavage of procaspase-1 into caspase-1 initiates the inflammatory response. Subventricular Zone (SVZ) is the origin of neural stem/progenitor cells (NS/PCs) in the adult brain. Extracellular vesicles (EVs) are tiny lipid membrane bilayer vesicles secreted by different types of cells playing an important role in cell-cell communications. The aim of this study was to investigate the effect of intrathecal transplantation of EVs on the NLRP3 inflammasome formation in SCI rats. Male wistar rats were divided into three groups as following: laminectotomy group, SCI group, and EVs group. EVs was isolated from SVZ, and characterized by western blot and DLS, and then injected into the SCI rats. Real-time PCR and western blot were carried out for gene expression and protein level of NLRP3, ASC, and Caspase-1. H&E and cresyl violet staining were performed for histological analyses, as well as BBB test for motor function. The results indicated high level in mRNA and protein level in SCI group in comparison with laminectomy (p < 0.001), and injection of EVs showed a significant reduction in the mRNA and protein levels in EVs group compared to SCI (p < 0.001). H&E and cresyl violet staining showed recovery in neural cells of spinal cord tissue in EVs group in comparison with SCI group. BBB test showed the promotion of motor function in EVs group compared to SCI in 14 days (p < 0.05). We concluded that the injection of EVs could recover the motor function in rats with SCI and rescue the neural cells of spinal cord tissue by suppressing the formation of the NLRP3 inflammasome complex.

KeywordSub-ventricular zone Extracellular vesicle Inflammasome Spinal cord injury Rat
2020-03-17
Language英语
DOI10.1007/s11011-020-00563-w
Source PublicationMETABOLIC BRAIN DISEASE
ISSN0885-7490
Pages10
Subtypearticle
Indexed BySCI
Funding ProjectTehran University of Medical Sciences[97-01-103-37391]
PublisherSPRINGER/PLENUM PUBLISHERS
WOS KeywordSTROMAL CELLS ; STEM-CELLS ; NEUROVASCULAR PLASTICITY ; CURRENT STATE ; BRAIN ; TRANSPLANTATION ; DELIVERY ; MICROPARTICLES ; ACTIVATION ; PLATFORM
WOS Research AreaEndocrinology & Metabolism ; Neurosciences & Neurology
WOS SubjectEndocrinology & Metabolism ; Neurosciences
WOS IDWOS:000520669000001
QuartileQ3
Funding OrganizationTehran University of Medical Sciences
Citation statistics
Cited Times:6[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.psych.ac.cn/handle/311026/31491
Collection中国科学院心理健康重点实验室
Corresponding AuthorHassanzadeh, Gholamreza
Affiliation1.Univ Tehran Med Sci, Sch Med, Dept Anat, Tehran, Iran
2.Inst Psychol, CAS Key Lab Mental Hlth, Beijing, Peoples R China
3.Univ Chinese Acad Sci, Dept Psychol, Beijing, Peoples R China
4.Iran Univ Med Sci, Neurosci Res Ctr, Tehran, Iran
Recommended Citation
GB/T 7714
Mohammed, Ibrahim,Ijaz, Sahar,Mokhtari, Tahmineh,et al. Subventricular zone-derived extracellular vesicles promote functional recovery in rat model of spinal cord injury by inhibition of NLRP3 inflammasome complex formation[J]. METABOLIC BRAIN DISEASE,2020:10.
APA Mohammed, Ibrahim.,Ijaz, Sahar.,Mokhtari, Tahmineh.,Gholaminejhad, Morteza.,Mahdavipour, Marzieh.,...&Hassanzadeh, Gholamreza.(2020).Subventricular zone-derived extracellular vesicles promote functional recovery in rat model of spinal cord injury by inhibition of NLRP3 inflammasome complex formation.METABOLIC BRAIN DISEASE,10.
MLA Mohammed, Ibrahim,et al."Subventricular zone-derived extracellular vesicles promote functional recovery in rat model of spinal cord injury by inhibition of NLRP3 inflammasome complex formation".METABOLIC BRAIN DISEASE (2020):10.
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