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(Hypertension. 2006;47:509.)
© 2006 American Heart Association, Inc.

Novartis Award

Views of the Renin–Angiotensin System

Brilling, Mimsy, and Slithy Tove

From the Department of Pathology and Laboratory Medicine, Emory University, Atlanta, Ga.

Correspondence to Ken Bernstein, Rm 7107 WMB, 101 Woodruff Circle, Atlanta, GA 30322. E-mail kbernst{at}emory.edu

The renin–angiotensin system plays a role in many physiological systems, as proven by the phenotype of angiotensin-converting enzyme (ACE) knockout mice. We have used homologous recombination to create novel lines of mice with limited and unusual expression patterns of ACE. These mice show that, as long as an animal can regulate renin, they can tolerate both unusual patterns and reduced expression of ACE. We have also created mice in which one of the two ACE catalytic sites is nonfunctional. These new lines of mice give great insight into the function of the renin–angiotensin system in blood pressure control, response to stress, hematopoiesis, and reproduction.

Key Words: angiotensin • angiotensin-converting enzyme • renin • mice • blood pressure • renin-angiotensin system

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