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Review Article
Drug Therapy
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Volume 334:1649-1655 June 20, 1996 Number 25
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Angiotensin Receptors and Their Antagonists
Theodore L. Goodfriend, M.D., Mary E. Elliott, Ph.D., and Kevin J. Catt, M.D.

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Angiotensins are peptide hormones derived from the protein precursor angiotensinogen by the sequential actions of proteolytic enzymes (Figure 1). The classic pathway of angiotensin synthesis includes a reaction catalyzed by angiotensin-converting enzyme (ACE), which occurs not only in plasma but also in the kidneys, brain, adrenal glands, ovaries, and possibly other tissues.1 The intrarenal renin–angiotensin system affects glomerular filtration, as discussed below, but the importance of angiotensin synthesis in other tissues is not known. Angiotensin II, the principal effector of the renin–angiotensin cascade, can also be synthesized by a pathway that does not require ACE.2


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Figure 1. Formation of Angiotensins . . . [Full Text of this Article]

 
Nomenclature

Actions of Angiotensins

Angiotensin Receptors

Signal Transduction

Regulation of Angiotensin Receptors and Their Actions

Angiotensin Receptors in Growth and Development

Mechanism of Action of Angiotensin-Receptor Antagonists

Clinical Trials of Angiotensin-Receptor Antagonists

Efficacy in Treating Hypertension

Renal Effects

Heart Failure and Hypertrophy

Endocrine and Metabolic Effects

Speculations and Uncertainties


Source Information

From the William S. Middleton Memorial Veterans Hospital and the Departments of Medicine and Pharmacology, School of Medicine, University of Wisconsin, Madison (T.L.G., M.E.E.); and the Endocrinology and Reproduction Research Branch, National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, Md. (K.J.C.).

Address reprint requests to Dr. Goodfriend at the William S. Middleton Memorial Veterans Hospital, 2500 Overlook Terr., Madison, WI 53705.

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