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Paul Martin; Ganten, Detlev
Journal of Cardiovascular Pharmacology: 1992


Factors that can influence cardiovascular growth are becoming increasingly important for our understanding of such complex diseases as cardiac hypertrophy, coronary artery disease, atherosclerosis, and hypertension. Several proto-oncogenes were found to be involved in the regulation of abnormal cell growth in cardiovascular disease. It is also evident that some peptide hormones, which are well known to be involved in blood pressure control, may play a role as growth modulators. Angiotensin II is one such peptide. It elevates blood pressure through its direct vasoconstrictor, sympathomimetic, and (through release of aldosterone) sodium-retaining activity but also appears to have mitogenic actions. Interestingly, all components of the renin-angiotensin system were found locally in cardiovascular tissues. The question remains whether angiotensin can act directly as a growth factor or whether it does so indirectly by influencing or modulating cell growth factors. A better understanding of the renin-angiotensin system as a direct or indirect mediator for cardiovascular hypertrophy would offer new and interesting insights into the pathophysiology of hypertension and possibly novel options for the treatment of cardiovascular disease.

Copyright © 1992 Wolters Kluwer Health, Inc. All rights reserved.