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Peripheral Artery Disease I: Introduction01:30

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Peripheral artery disease (PAD) predominantly results from atherosclerosis, which involves the accumulation of fatty deposits, or plaques, within the walls of arteries. This causes them to narrow and harden, significantly reducing blood flow. PAD predominantly affects the legs but also impacts other areas, such as the arms, thereby impairing overall circulation and organ function.Etiology of PAD:The principal cause of PAD is atherosclerosis, which results from fatty deposits inside the arterial...
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Rheumatic heart disease or RHD is a chronic condition that results from rheumatic fever, causing permanent damage to the heart valves.Etiology and Risk FactorsIt primarily arises from rheumatic fever, an inflammatory disease that can develop after untreated or inadequately treated group A streptococcal (GAS) pharyngitis. Streptococcus spreads through direct contact with oral or respiratory secretions. While the bacteria are the causative agents, factors like malnutrition, overcrowding, poor...
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系统性硬化症中的内皮质功能障碍

Eshaan Patnaik1, Matthew Lyons2, Kimberly Tran2

  • 1Department of Biology, Memphis University School, Memphis, TN 38119, USA.

International journal of molecular sciences
|September 28, 2023
PubMed
概括
此摘要是机器生成的。

系统性硬化症或硬化皮质是一种自身免疫性疾病,其中血管功能障碍是主要事件. 本综述探讨了在硬质皮质病变的发病过程中内皮功能障碍的分子机制.

关键词:
血管新生是因为血管新生.细胞内皮细胞的内皮细胞.系统性硬化症 系统性硬化症血管生成是指血管的产生.

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科学领域:

  • 免疫学 免疫学 免疫学
  • 血管生物学 血管生物学
  • 纤维化研究 纤维化研究

背景情况:

  • 系统性硬化症 (Scleroderma) 是一种自身免疫性疾病,其特点是血管问题,自身免疫性和纤维化.
  • 雷诺病现象和皮肤变厚是常见的表现,这表明血管功能障碍在纤维化之前.
  • 确切的原因尚不清楚,但涉及遗传敏感个体的环境触发因素.

研究的目的:

  • 审查系统性硬化症内皮质功能障碍背后的分子机制.
  • 突出内皮损伤和激活在疾病发展中的作用.
  • 讨论纤维化中的内皮细胞转化为介质细胞的过程.

主要方法:

  • 文献综述专注于内皮功能障碍的分子和细胞方面.
  • 对系统性硬化症中的血管异常,自身免疫和纤维化研究的分析.
  • 检查内皮原生细胞功能和血管生成缺陷.

主要成果:

  • 内皮损伤和激活是早期事件,可能是由感染和自身抗体引发的.
  • 内皮原生细胞的缺陷有助于血管新生和血管新生受损.
  • 内皮细胞转化为介质细胞转化是系统性硬化症发病的一个关键过程.

结论:

  • 内皮功能障碍是系统性硬化症发展的关键因素.
  • 了解这些分子通路可能会导致针对性治疗硬化皮质.
  • 对内皮细胞生物学进行进一步的研究对于管理这种复杂疾病至关重要.