期刊
FEBS LETTERS
卷 583, 期 21, 页码 3448-3454出版社
WILEY
DOI: 10.1016/j.febslet.2009.09.052
关键词
Reactive oxygen species; Vascular smooth muscle cells; Apoptosis; Gender; Anoikis; Cell adhesion; Autophagy; Senescence
资金
- PRIN
- Ministero della Salute
- Maria Luisa Marilotti, Regione Sardegna
Sexual dimorphism, detectable in vascular smooth muscle cells freshly isolated from aorta of male and female rats, is associated with a different susceptibility to radiation-induced apoptosis. In this work we investigated the mechanism underlying this difference and discovered that, in comparison with cells from male rats, cells from female rats show adhesion-associated resistance to apoptosis, the so called anoikis resistance. This is apparently due to a more adhering phenotype, characterized by a well organized actin micro. lament cytoskeleton and to an increased phosphorylated focal adhesion kinase, and, more importantly, to a higher propensity to undergo survival by autophagy. (C) 2009 Federation of European Biochemical Societies. Published by Elsevier B. V. All rights reserved.
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