重组人Renin蛋白Standard (His tag)

补充信息

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Renin also known as angiotensinogenase is a proteolytic enzyme with a molecular weight of approximately 40 kDa. It is mainly expressed in the juxtaglomerular cells of the kidneys. Renin plays an important role in the renin-angiotensin system where it initiates the conversion of angiotensinogen to angiotensin I. This process is the first step in a cascade leading to a series of effects in blood pressure regulation and fluid balance.

Biological function summary

The renin enzyme is responsible for blood pressure control and electrolyte homeostasis. It acts as a significant regulator within the renin-angiotensin aldosterone system (RAAS). By catalyzing the formation of angiotensin I from angiotensinogen renin sets off a sequence of reactions that influence vascular tone and sodium reabsorption. The activity of renin significantly interacts with various cardiovascular functions alongside complex regulatory feedback from other hormones such as aldosterone.

Pathways

Renin is a pivotal part of RAAS and interlinks with multiple cardiovascular pathways. The RAAS pathway involves angiotensinogen renin angiotensin I converting enzyme (ACE) and angiotensin II. Angiotensin II then acts on its receptor to mediate vasoconstriction and aldosterone secretion. The direct relationship between renin and ACE places this enzyme in the center of blood pressure management and has implications on kidney function and homeostasis.

High renin activity has connections with hypertension and cardiovascular diseases. Elevated renin levels contribute to increased angiotensin II production causing vasoconstriction and blood pressure elevation. Disorders like renal hypertension see direct involvement of the renin-angiotensin system. Therapeutic approaches often target RAAS with angiotensin-converting enzyme inhibitors (ACE inhibitors) and angiotensin receptor blockers aiming to mitigate the renin-related impact on these diseases.