Reactive oxygen species in vascular formation and development.

Reactive oxygen species in vascular formation and development.
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DOI:
10.1155/2013/374963
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发表时间:
2013
影响因子:
--
通讯作者:
Zhang L
Zhang L
中科院分区:
生物学2区
文献类型:
--
作者:
Zhou Y;Yan H;Guo M;Zhu J;Xiao Q;Zhang L

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活性氧 (ROS) 源自氧代谢,传统上被视为会损害生物分子的有毒副产品。现在人们普遍认识到,ROS 是多种生物过程和病理状态的关键调节剂。 ROS 通过某些信号成分的可逆氧化介导关键信号转导途径,并参与生长因子、G 蛋白偶联受体、Notch 和 Wnt 的信号传导及其下游级联,包括 MAPK、JAK-STAT、NF-κB 和 PI3K/AKT。血管形成和发育是胚胎发生过程中最重要的事件之一,对于鼻后组织修复至关重要。在本文中,我们将讨论ROS如何调节血管发育的不同步骤,包括平滑肌细胞分化、血管生成、内皮祖细胞招募和血管细胞迁移。
Reactive oxygen species (ROS) are derived from the metabolism of oxygen and are traditionally viewed as toxic byproducts that cause damage to biomolecules. It is now becoming widely acknowledged that ROS are key modulators in a variety of biological processes and pathological states. ROS mediate key signaling transduction pathways by reversible oxidation of certain signaling components and are involved in the signaling of growth factors, G-protein-coupled receptors, Notch, and Wnt and its downstream cascades including MAPK, JAK-STAT, NF-κB, and PI3K/AKT. Vascular formation and development is one of the most important events during embryogenesis and is vital for postnasal tissue repair. In this paper, we will discuss how ROS regulate different steps in vascular development, including smooth muscle cell differentiation, angiogenesis, endothelial progenitor cells recruitment, and vascular cell migration.
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