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Genetic modification of hypertension by sGCα1
Patrick Y Sips1, Emmanuel S Buys
1Anesthesia Center for Critical Care Research, Department of Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Harvard Medical School, 55 Fruit Street, Thier 511B, Boston, MA 02114.
Insights
Soluble guanylate cyclase (sGC) plays a key role in blood pressure regulation. This review explores how nitric oxide (NO)-cGMP signaling and genetic factors influence hypertension, using mouse models and human genetic studies.
Area of Science:
- Cardiovascular Physiology
- Molecular Biology
- Human Genetics
Background:
- Hypertension is a major risk factor for cardiovascular diseases, with undefined molecular and genetic underpinnings.
- Nitric oxide (NO) and soluble guanylate cyclase (sGC) are critical in blood pressure regulation.
- Understanding NO-cGMP signaling is crucial for hypertension research.
Purpose of the Study:
- To review the role of sGC in blood pressure regulation.
- To discuss insights from genetically modified mouse models and human genetic studies.
- To elucidate the mechanisms of NO-cGMP signaling in hypertension pathogenesis.
Main Methods:
- Review of existing literature on sGC and blood pressure.
- Analysis of data from genetically modified mouse models of hypertension.
- Examination of human genetic studies, including genome-wide association studies (GWAS).
Main Results:
- sGC is integral to the NO-cGMP pathway regulating blood pressure.
- Genetic variations identified through GWAS influence blood pressure and hypertension susceptibility.
- Mouse models provide mechanistic insights into sGC function in hypertension.
Conclusions:
- sGC is a critical target for understanding and potentially treating hypertension.
- Integrating findings from animal models and human genetics advances hypertension research.
- Further investigation into NO-cGMP signaling and genetic factors is warranted.
Abstract:
Hypertension is an important modifiable risk factor for coronary heart disease, congestive heart failure, stroke, end-stage renal disease, and peripheral vascular disease, but many of the molecular mechanisms and genetic factors underlying the development of the most common forms of human hypertension remain to be defined. Abundant evidence suggests that nitric oxide (NO) and one of its primary targets, the cyclic guanosine monophosphate (cGMP)-generating enzyme soluble guanylate cyclase (sGC), have a critical role in regulating blood pressure. The availability of murine models of hypertension and the revolution in human genetics research (e.g., genome-wide association studies [GWAS]), resulting in the identification of dozens of genetic loci that affect normal variation in blood pressure and susceptibility to hypertension, provide a unique opportunity to dissect the mechanisms by which NO-cGMP signaling regulates blood pressure and to gain important insights into the pathogenesis of hypertension. In this review, we will give an overview of the current knowledge relating to the role of sGC in the regulation of blood pressure, discussing data obtained from genetically modified mouse models as well as from human genetic studies.
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