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Regulation of Angiogenesis and Blood Supply01:24

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Rapidly dividing tumors, embryos, and wounded tissues require more oxygen than usual, lowering the oxygen concentration in the blood. At low oxygen or hypoxic conditions, an oxygen-sensitive transcription factor called the hypoxia-inducible factor 1 or HIF1 is activated. HIF1 is a dimeric protein of alpha (ɑ) and beta (β) subunits.  Under optimal oxygen conditions, HIF1β is present in the nucleus while HIF1ɑ remains in the cytosol. HIF1ɑ is hydroxylated by prolyl...
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Blood vessel formation starts early during embryonic development, around day 7. In the extraembryonic yolk sac, mesodermal precursor cells called hemangioblast proliferate and differentiate into angioblast. Angioblasts express vascular endothelial growth factor receptor 2 or VEGFR2, which binds VEGF-A, a proangiogenic factor, guiding blood vessel formation. VEGF signaling promotes angioblasts to form a blood island in the developing embryo. Angioblasts further differentiate, giving rise to...
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内皮功能障碍:分子机制和临床影响

Xia Wang1, Ben He1

  • 1Department of Cardiology Shanghai Chest Hospital, Shanghai Jiao Tong University School of Medicine Shanghai China.

MedComm
|July 23, 2024
PubMed
概括

内皮功能障碍是心血管疾病 (CVD) 和相关疾病的关键. 本综述详细介绍了其机制,影响,生物标志物和治疗方法,以减少心血管疾病风险.

科学领域:

  • 心血管医学 心血管医学
  • 病理生理学 病理生理学
  • 分子生物学分子生物学

背景情况:

  • 心血管疾病 (CVD) 是一个主要的全球健康问题.
  • 内皮功能障碍是心血管疾病发展和进展的关键因素.
  • 了解内皮功能障碍的分子机制是不完全的.

研究的目的:

  • 审查关于内皮功能障碍的病理生理机制的最新发现.
  • 讨论内皮功能障碍对各种疾病的影响.
  • 总结内皮细胞保护和心血管疾病治疗的生物标志物和治疗策略.

主要方法:

  • 最近研究发现的文献综述.
  • 对病理生理机制的分析,包括氧化的可用性,氧化应激和炎症.
  • 讨论内皮功能障碍在动脉样硬化,心力衰竭,糖尿病,高血压,慢性病和神经退行性疾病中的作用.

主要成果:

  • 内皮功能障碍涉及复杂的信号通路,受风险因素的影响.
  • 它影响了广泛的病理状况.
  • 新兴的生物标志物和治疗策略为改善管理提供了潜力.

结论:

关键词:
心血管疾病心血管疾病内皮质功能障碍 在内皮质功能障碍这是一种炎症炎症炎症炎症.氧化氧化的使用方法氧化应激是一种氧化应激.

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  • 对内皮功能障碍机制的全面理解至关重要.
  • 新型生物标志物和治疗方法对于降低心血管疾病风险至关重要.
  • 向内皮功能障碍可以减轻心血管疾病和相关并发症.