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Updated: Aug 9, 2026

Receptor Autoradiography Protocol for the Localized Visualization of Angiotensin II Receptors
Published on: June 7, 2016
[Renin-angiotensin system in atherosclerosis]
1Department of Cardiovascular Medicine, University of Tokyo.
Abstract:
The renin-angiotensin system(RAS) has been demonstrated to play a critical role in initiation and progression of atherosclerosis, thereby contributing to development cardiovascular diseases. Angiotensin II(Ang II), major substrate in RAS, stimulates atherosclerosis through various processes such as endothelial dysfunction, cellular proliferation and inflammation. Recently, local RAS in vasculature is reported to play an important role. Many of these atherogenic effects of Ang II are mediated by reactive oxygen species(ROS). Investigation of the role of ROS and inflammation induced by RAS may provide a clue to understanding the pathophysiology of atherosclerotic diseases, and may lead to a new therapeutic strategy.
Insights
The renin-angiotensin system (RAS) drives atherosclerosis and cardiovascular disease by producing Angiotensin II (Ang II). Ang II promotes inflammation and oxidative stress, offering potential therapeutic targets.
Area of Science:
- Cardiovascular Science
- Endocrinology
- Pathophysiology
Context:
- The renin-angiotensin system (RAS) is implicated in cardiovascular diseases.
- Angiotensin II (Ang II), a key RAS component, contributes to atherosclerosis.
- Local RAS within the vasculature plays a significant role.
Purpose:
- To investigate the role of reactive oxygen species (ROS) and inflammation in RAS-mediated atherogenesis.
- To elucidate the mechanisms by which Ang II contributes to atherosclerotic development.
Summary:
- Angiotensin II (Ang II) promotes atherosclerosis through endothelial dysfunction, cellular proliferation, and inflammation.
- Reactive oxygen species (ROS) mediate many of the atherogenic effects of Ang II.
- The local RAS in the vasculature is a critical factor in disease progression.
Impact:
- Understanding RAS-induced ROS and inflammation can clarify atherosclerotic pathophysiology.
- This research may reveal novel therapeutic strategies for atherosclerotic diseases.
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