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Assessment of Vascular Tone Responsiveness using Isolated Mesenteric Arteries with a Focus on Modulation by Perivascular Adipose Tissues
Published on: June 3, 2019
The adventitia: essential regulator of vascular wall structure and function.
Kurt R Stenmark1, Michael E Yeager, Karim C El Kasmi
1Division of Pediatric Critical Care, University of Colorado Denver, Aurora, Colorado 80045, USA. Kurt.Stenmark@ucdenver.edu
Annual Review of Physiology
|December 11, 2012
Summary
The vascular adventitia, the outer layer of blood vessels, is a complex hub that regulates vessel function and structure. It initiates responses to injury, influencing vascular tone, inflammation, and repair processes.
Area of Science:
- Vascular Biology
- Connective Tissue Biology
- Immunology
Background:
- The vascular adventitia is the outermost layer of the blood vessel wall.
- It contains diverse cell types including fibroblasts, immune cells, progenitor cells, and nerves.
- It plays a crucial role in maintaining vascular homeostasis.
Purpose of the Study:
- To review the current evidence on the adventitia's role in vascular wall regulation.
- To highlight the adventitia as a key regulator of vascular function and structure.
- To emphasize the adventitia's role in response to vascular stress and injury.
Main Methods:
- Literature review of existing research on vascular adventitia.
- Synthesis of evidence from various studies on adventitial cell function.
- Analysis of the adventitia's contribution to vascular tone, inflammation, and repair.
Main Results:
- The adventitia functions as a biological processing center for vascular regulators.
- Adventitial cells are activated early in response to vascular stress or injury.
- These cells influence vessel tone, initiate chronic inflammation, and promote vasa vasorum expansion.
Conclusions:
- The vascular adventitia is a critical regulator of vascular wall function and structure.
- It acts from the outside in, orchestrating responses to vascular challenges.
- Understanding the adventitia is key to comprehending vascular health and disease.
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