期刊
FRONTIERS IN BIOSCIENCE-LANDMARK
卷 17, 期 -, 页码 221-231出版社
FRONTIERS IN BIOSCIENCE INC
DOI: 10.2741/3923
关键词
Angiotensin II; Inflammation; Cardiac Remodeling; Macrophage; Review
资金
- National Science Foundation of China [30888004, 81070090]
Hypertension, especially for elevated renin-angiotensin II (Ang II), induces cardiac fibrosis and remodeling. Ang II, acting via its receptors, causes both hemodynamic and nonhemodynamic effects. These effects trigger a series of inflammatory responses. Recent studies have demonstrated that hypertension stimulates infiltration of leukocytes into heart, and interaction among macrophages, T cells, and monocytic fibroblast precursor cells regulates the imbalance of pro-inflammatory and anti-inflammatory factors. Several studies have demonstrated that the inflammatory microenvironment in hypertensive heart promotes a forward feedback infiltration of leukocytes, differentiation of monocytes, and formation of myofibroblasts. An increased number of myofibroblasts, the dominant source of extracellular matrix production, results in deposition of collagen and cardiac remodeling. A thorough understanding of the pathological process underlying hypertension-induced cardiac remodeling may help in prevention and treatment.
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