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- Title
Redox regulation of endothelial cell fate.
- Authors
Song, Ping; Zou, Ming-Hui
- Abstract
Endothelial cells (ECs) are present throughout blood vessels and have variable roles in both physiological and pathological settings. EC fate is altered and regulated by several key factors in physiological or pathological conditions. Reactive nitrogen species and reactive oxygen species derived from NAD(P)H oxidases, mitochondria, or nitric oxide-producing enzymes are not only cytotoxic but also compose a signaling network in the redox system. The formation, actions, key molecular interactions, and physiological and pathological relevance of redox signals in ECs remain unclear. We review the identities, sources, and biological actions of oxidants and reductants produced during EC function or dysfunction. Further, we discuss how ECs shape key redox sensors and examine the biological functions, transcriptional responses, and post-translational modifications evoked by the redox system in ECs. We summarize recent findings regarding the mechanisms by which redox signals regulate the fate of ECs and address the outcome of altered EC fate in health and disease. Future studies will examine if the redox biology of ECs can be targeted in pathophysiological conditions.
- Subjects
OXIDATION-reduction reaction; ENDOTHELIAL cells; CELL determination; VASCULAR diseases; BLOOD-vessel physiology; ACTIVE nitrogen; NITRIC oxide
- Publication
Cellular & Molecular Life Sciences, 2014, Vol 71, Issue 17, p3219
- ISSN
1420-682X
- Publication type
Article
- DOI
10.1007/s00018-014-1598-z