Abstract:
:The present study aims to explore the protective effect of human bone marrow mesenchymal stem cells (hBMSCs) on radiation-induced aortic injury (RIAI). hBMSCs were isolated and cultured from human bone marrow. Male C57/BL mice were irradiated with a dose of 18-Gy 6MV X-ray and randomly treated with either vehicle or hBMSCs through tail vein injection with a dose of 103 or 104 cells/g of body weight (low or high dose of hBMSCs) within 24 h. Aortic inflammation, oxidative stress, and vascular remodeling were assessed by immunohistochemical staining at 3, 7, 14, 28, and 84 days after irradiation. The results revealed irradiation caused aortic cell apoptosis and fibrotic remodeling indicated by aortic thickening, collagen accumulation, and increased expression of profibrotic cytokines (CTGF and TGF-β). Further investigation showed that irradiation resulted in elevated expression of inflammation-related molecules (TNF-α and ICAM-1) and oxidative stress indicators (4-HNE and 3-NT). Both of the low and high doses of hBMSCs alleviated the above irradiation-induced pathological changes and elevated the antioxidant enzyme expression of HO-1 and catalase in the aorta. The high dose even showed a better protective effect. In conclusion, hBMSCs provide significant protection against RIAI possibly through inhibition of aortic oxidative stress and inflammation. Therefore, hBMSCs can be used as a potential therapy to treat RIAI.
journal_name
Oxid Med Cell Longevjournal_title
Oxidative medicine and cellular longevityauthors
Shen Y,Jiang X,Meng L,Xia C,Zhang L,Xin Ydoi
10.1155/2018/5942916subject
Has Abstractpub_date
2018-02-28 00:00:00pages
5942916eissn
1942-0900issn
1942-0994journal_volume
2018pub_type
杂志文章abstract::Sarcopenia is the loss of muscle mass accompanied by a decrease in muscle strength and resistance and is the main cause of disability among the elderly. Muscle loss begins long before there is any clear physical impact in the senior adult. Despite all this, the molecular mechanisms underlying muscle aging are far from...
journal_title:Oxidative medicine and cellular longevity
pub_type: 杂志文章,评审
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
pub_type: 杂志文章,评审
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
pub_type: 杂志文章
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journal_title:Oxidative medicine and cellular longevity
pub_type: 杂志文章,评审
doi:10.1155/2012/718976
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journal_title:Oxidative medicine and cellular longevity
pub_type: 杂志文章,评审
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journal_title:Oxidative medicine and cellular longevity
pub_type: 杂志文章,评审
doi:10.1155/2013/825928
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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doi:10.1155/2019/6439021
更新日期:2019-12-14 00:00:00
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journal_title:Oxidative medicine and cellular longevity
pub_type: 杂志文章,评审
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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journal_title:Oxidative medicine and cellular longevity
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