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The renin angiotensin system is a complex process involving hormones and enzymes that regulate blood volume and blood pressure. The hormone angiotensin II is responsible for making blood vessels narrow or constrict. Angiotensin II is found in the blood and can attach to special sites called receptors on blood vessel walls. These receptors are programmed to accept angiotensin II and cause a constriction of the blood vessel. This function is found in the genetic information of each individual person.
Occasionally patients have changes in their genes related to angiotensin II receptors. These changes may result in the receptors acting differently to angiotensin II, which may affect the function of blood vessels.
This study is designed to improve researchers understanding of the physiological effects on blood vessels associated with mutations of the genes responsible for angiotensin II receptor function.
Polymorphisms in the genes encoding for various elements of the renin angiotensin system have been associated with cardiovascular disease. We have isolated novel alleles in the angiotensin II type I receptor gene. We propose this exploratory investigation to study the physiological effect of these mutations on vascular function in patients and family members who carry these rare alleles.
Endpoint Classification: Safety Study, Primary Purpose: Treatment
National Heart, Lung and Blood Institute (NHLBI)
National Institutes of Health Clinical Center (CC)
Published on BioPortfolio: 2014-08-27T03:59:26-0400
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Commentary on Zhao et al Manuscript Entitled: "Quantitative Association Between Serum/Dietary Magnesium and Cardiovascular Disease/Coronary Heart Disease Risk: A Dose-Response Meta-analysis of Prospective Cohort Studies": Magnesium and Cardiovascular Disease.
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The co-occurrence of pregnancy and a cardiovascular disease. The disease may precede or follow FERTILIZATION and it may or may not have a deleterious effect on the pregnant woman or FETUS.
Restoration of functions to the maximum degree possible in a person or persons suffering from a CARDIOVASCULAR DISEASE. It also includes cardiac conditioning and SECONDARY PREVENTION in patients with elevated cardiovascular risk profile.
Processes and properties of the CARDIOVASCULAR SYSTEM as a whole or of any of its parts.
Biological actions and events that support the functions of the CARDIOVASCULAR SYSTEM.
An antagonist of ANGIOTENSIN TYPE 1 RECEPTOR with antihypertensive activity due to the reduced pressor effect of ANGIOTENSIN II.
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Bioinformatics is the application of computer software and hardware to the management of biological data to create useful information. Computers are used to gather, store, analyze and integrate biological and genetic information which can then be applied...