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Curr Hypertens Rep. 2000 Apr;2(2):211-6.

Transgenic and knockout mice to study the renin-angiotensin system and other interacting vasoactive pathways.

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Departments of Internal Medicine and Physiology & Biophysics, The University of Iowa College of Medicine, Iowa City, IA, 52242, USA.


Essential hypertension is an insidious disease in which the afflicted person risks disability and death from myocardial infarction and stroke. Many factors contribute to the development of essential hypertension, including environment, diet, daily stress, and genetics. Although several single gene disorders causing high blood pressure have been identified, the genetics of essential hypertension are much more complicated. The current hypothesis is that a combination of genetic variations in multiple genes may predispose a person to hypertension. Both overexpression and gene inactivation ("knockout") have proven useful tools to evaluate the genetics of essential hypertension and to identify pathways regulating blood pressure. Molecular and physiologic evaluations of transgenic and knockout mice carried out over the past 5 years have provided a plethora of information about the mechanisms of blood pressure regulation and the development and maintenance of hypertension. This review focuses on the newer mouse models that have been developed to investigate hypertension with an emphasis on vascular and renal mechanisms, contributed by the renin-angiotensin system, and other pathways intersecting with the renin-angiotensin system.

[Indexed for MEDLINE]

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