Target intelligence / Profile preview

Renin-Angiotensin System (RAS/RAAS)

Target
RAS/RAAS
Molecular classification
Hormone cascade, Enzyme System
01

Overview

The renin-angiotensin system (RAS), also known as the renin-angiotensin-aldosterone system (RAAS), is a critical hormone cascade that regulates blood pressure, fluid balance, and electrolyte homeostasis in the body. It involves a series of hormones, enzymes, and receptors that act together to maintain cardiovascular stability. Overactivity or dysregulation of this system can lead to hypertension, heart failure, chronic kidney disease, and contribute significantly to cardiovascular morbidity. Pharmacologic agents targeting various steps—such as ACE inhibitors, ARBs (angiotensin receptor blockers), direct renin inhibitors—are widely used therapeutically for these conditions.

Other names
Angiotensin SystemRenin-Angiotensin-Aldosterone System
02

Mechanism of action

Inhibition of renin, ACE, or angiotensin receptors to reduce vasoconstriction, sodium retention, and water retention.

03

Biological functions

Blood pressure regulationFluid balanceElectrolyte homeostasisVasoconstrictionSodium retentionWater retentionThirst stimulation
04

Disease associations

HypertensionHeart failureChronic kidney diseaseCardiovascular disease
05

Safety considerations

HypotensionHyperkalemiaAngioedemaRenal dysfunction
06

Interacting drugs

ACE inhibitors

2 more in the full profile.

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