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Abstract:
:Previous evidence has revealed that increase in intracellular levels of calcium promotes cellular senescence. However, whether calcium channel blockers (CCBs) can slow aging and extend lifespan is still unknown. In this study, we showed that verapamil, an L-type calcium channel blocker, extended the Caenorhabditis elegans (C. elegans) lifespan and delayed senescence in human lung fibroblasts. Verapamil treatment also improved healthspan in C. elegans as reflected by several age-related physiological parameters, including locomotion, thrashing, age-associated vulval integrity, and osmotic stress resistance. We also found that verapamil acted on the α1 subunit of an L-type calcium channel in C. elegans. Moreover, verapamil extended worm lifespan by inhibiting calcineurin activity. Furthermore, verapamil significantly promoted autophagy as reflected by the expression levels of LGG-1/LC3 and the mRNA levels of autophagy-related genes. In addition, verapamil could not further induce autophagy when tax-6, calcineurin gene, was knocked down, indicating that verapamil-induced lifespan extension is mediated via promoting autophagy processes downstream of calcineurin. In summary, our study provided mechanistic insights into the anti-aging effect of verapamil in C. elegans.
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最新影响因子:5.955 | 期刊ISSN:1945-4589 | CiteScore: |
出版周期:Monthly | 是否OA:YES | 出版年份:2008 |
期刊官方网址:http://www.aging-us.com/
期刊投稿地址:http://aging.msubmit.net/
自引率:7.40% | 研究方向:CELL BIOLOGY- |
出版地区:UNITED STATES |
SCI期刊coverage:Science Citation Index Expanded(科学引文索引扩展)
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Aging-US
老龄化
大类(学科) | 小类(学科) | 学科排名 |
医学 |
CELL BIOLOGY (细胞生物学) 2区 GERIATRICS & GERONTOLOGY (老年医学) 2区 |
48/190 5/53 |
年度总发文量 | 年度论文发表量 | 年度综述发表量 |
149 | 146 | 3 |
引文计数(2018)
文献(2015-2017)
次引用
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研究方向:-
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发表一篇学和医学成像类SCI论文
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