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相关概念视频

Lipid-Lowering Drugs: Statins and Miscellaneous Agents01:20

Lipid-Lowering Drugs: Statins and Miscellaneous Agents

Hyperlipidemia, a medical condition often referred to as high cholesterol, is characterized by abnormally elevated levels of lipids in the bloodstream. When present in excess, these lipids, specifically cholesterol and triglycerides, can lead to serious health complications, often involving cardiovascular diseases. Illnesses like atherosclerosis, heart attacks, and pancreatitis have all been linked to untreated hyperlipidemia. This means controlling and regulating cholesterol and triglyceride...
Cholesterol: Significance and Regulation01:29

Cholesterol: Significance and Regulation

Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...

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相关实验视频

Updated: Jun 18, 2026

Induction of Atherosclerotic Plaques Through Activation of Mineralocorticoid Receptors in Apolipoprotein E-deficient Mice
07:36

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Published on: September 26, 2018

乙-CoA:胆固醇乙转移酶抑制可以降低无脂蛋白E缺陷小鼠的动脉样硬化.

J Kusunoki1, D K Hansoty, K Aragane

  • 1Zena and Michael A. Wiener Cardiovascular Institute, Department of Medicine, Mount Sinai School of Medicine, New York, NY, USA.

Circulation
|May 31, 2001
PubMed
概括

使用F-1394的Acyl-COA:胆固醇乙烯转移酶 (ACAT) 的部分抑制在没有毒性的小鼠中降低了动脉样硬化. 这表明ACAT抑制可能是治疗动脉样硬化的潜在治疗策略.

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Last Updated: Jun 18, 2026

Induction of Atherosclerotic Plaques Through Activation of Mineralocorticoid Receptors in Apolipoprotein E-deficient Mice
07:36

Induction of Atherosclerotic Plaques Through Activation of Mineralocorticoid Receptors in Apolipoprotein E-deficient Mice

Published on: September 26, 2018

Quantification of Atherosclerosis in Mice
06:59

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Published on: June 12, 2019

Isolation and Analysis of Plasma Lipoproteins by Ultracentrifugation
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科学领域:

  • 心血管研究研究心血管研究
  • 药理学 药理学是指药理学的学科.
  • 动脉样硬化研究 动脉样硬化研究

背景情况:

  • 乙-COA:胆固醇乙转移酶 (ACAT) 将胆固醇转化为胆固醇.
  • 巨细胞中的ACAT1有助于泡细胞的形成和动脉样硬化.
  • 完全的ACAT1缺乏可能会导致毒性,影响组织胆固醇平衡.

研究的目的:

  • 调查是否部分抑制ACAT1和ACAT2可以减少apoE缺乏小鼠的动脉样硬化.
  • 评估部分ACAT抑制是否可以避免与完全缺乏相关的毒性.

主要方法:

  • 在17周的时间里,ApoE缺乏的小鼠被食西方饮食.
  • 小鼠没有接受ACAT抑制剂 (对照) 或F-1394 (300或900毫克/公斤).
  • 分析了损伤区域,巨细胞染色和大动脉表面脂质染色.

主要成果:

  • F-1394显著减少了亲密损伤面积的39-45%.
  • 在F-1394治疗后,巨细胞染色减少了61-83%.
  • 大动脉表面脂质染色减少了46-62%,没有明显的毒性.

结论:

  • 用F-1394进行部分ACAT抑制,在apoE缺乏的小鼠中显示出抗动脉原效应.
  • 治疗过程没有明显的系统性或血管壁毒性.
  • 部分ACAT抑制显示出作为动脉样硬化治疗策略的潜力.