Related Experiment Video

Updated: Mar 13, 2026

Receptor Autoradiography Protocol for the Localized Visualization of Angiotensin II Receptors
12:03

Receptor Autoradiography Protocol for the Localized Visualization of Angiotensin II Receptors

Published on: June 7, 2016

18.5K

Renin-angiotensin system at the crossroad of hypertension and hypercholesterolemia

C Borghi1, R Urso1, A F Cicero1

  • 1Department of Medical and Surgical Sciences, University of Bologna, Bologna, Italy.

Nutrition, Metabolism, and Cardiovascular Diseases : NMCD
|October 18, 2016
PubMed

Insights

Hypertension and hypercholesterolemia are common, increasing cardiovascular risk. The renin-angiotensin system (RAS) is a key link, and treating both conditions, especially with statins and RAS blockers, improves outcomes.

Area of Science:

  • Cardiovascular Science
  • Metabolic Research
  • Pathophysiology

Background:

  • Hypertension and hypercholesterolemia are prevalent global health issues.
  • Their co-occurrence significantly elevates cardiovascular disease (CVD) risk.
  • Hypercholesterolemia may contribute to hypertension development, and lipid-lowering treatments might improve blood pressure.

Purpose of the Study:

  • To review scientific evidence on the interactive link between hypertension and hypercholesterolemia.
  • To explore the metabolic pathways and pathogenetic mechanisms connecting these two cardiovascular risk factors.
  • To highlight the role of the renin-angiotensin system (RAS) in their interaction.

Main Methods:

  • Review of existing scientific literature on hypertension and hypercholesterolemia.
  • Analysis of metabolic pathways and pathogenetic mechanisms.
  • Examination of the role of the renin-angiotensin system (RAS).

Main Results:

  • Evidence suggests a strong pathophysiological link between hypertension and hypercholesterolemia.
  • The renin-angiotensin system (RAS) appears to be a central mediator of this interaction.
  • Hypercholesterolemia may upregulate angiotensin II type 1 (AT1) receptors, contributing to hypertension.
  • Combined treatment with statins and RAS blockers shows significant benefits.

Conclusions:

  • Hypertension and hypercholesterolemia are closely related pathophysiologically.
  • The renin-angiotensin system (RAS) is likely the primary mediator of this link.
  • Simultaneous management of both conditions is crucial for cardiovascular risk reduction.
Abstract

Keywords:
Cardiovascular riskHypercholesterolemiaHypertensionRASStatins

More Related Videos

A Modified Two Kidney One Clip Mouse Model of Renin Regulation in Renal Artery Stenosis08:21

A Modified Two Kidney One Clip Mouse Model of Renin Regulation in Renal Artery Stenosis

Published on: October 26, 2020

5.7K
Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion08:35

Improved Renal Denervation Mitigated Hypertension Induced by Angiotensin II Infusion

Published on: May 26, 2022

4.3K

Related Concept Videos

Antihypertensive Drugs: Direct Renin Inhibitors01:25

Antihypertensive Drugs: Direct Renin Inhibitors

The renin-angiotensin-aldosterone system (RAAS) is an intricate physiological pathway involving numerous enzymes and hormones, including renin, angiotensin-converting enzyme (ACE), angiotensin I and II, and aldosterone. Imbalances within this system increase the production of angiotensin II and aldosterone. Increased angiotensin II levels promote vasoconstriction and blood pressure elevation. Concurrently, higher aldosterone levels stimulate sodium and water reabsorption in the kidneys,...
1.7K
Hypertension II: Pathophysiology01:29

Hypertension II: Pathophysiology

Hypertension is a chronic condition in which the blood's force against artery walls is excessively high, posing risks such as heart disease. The condition's underlying mechanisms involve complex interactions among the cardiovascular, kidney, and autonomic nervous systems.Renin-Angiotensin-Aldosterone System (RAAS): This system significantly influences blood pressure regulation. When blood pressure decreases, the kidneys secrete renin. This enzyme transforms angiotensinogen, a plasma protein,...
1.3K
Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors01:30

Antihypertensive Drugs: Angiotensin-Converting Enzyme Inhibitors

Angiotensin-converting enzyme (ACE), a vital component of the renin-angiotensin-aldosterone system, is abundant in lung endothelial cells. ACE converts the inactive decapeptide, angiotensin I, into the active octapeptide, angiotensin II. This potent vasoconstrictor narrows blood vessels, increasing resistance to blood flow and elevating blood pressure. Angiotensin II also stimulates aldosterone production, encouraging kidney cells to reabsorb more sodium and water from urine, thereby increasing...
2.7K
Hormonal Regulation01:33

Hormonal Regulation

The renin-aldosterone system is an endocrine system which guides the renal absorption of water and electrolytes, thus managing blood pressure and osmoregulation. Activation of the system begins in the kidneys with a small cluster of cells adjacent to the afferent and efferent blood vessels of the renal corpuscle. As the nephrons are filtering blood, juxtaglomerular cells monitor blood pressure. If they detect a decrease in pressure, they release the hormone renin into the bloodstream.
36.6K
Antihypertensive Drugs: Angiotensin II Receptor Blockers01:30

Antihypertensive Drugs: Angiotensin II Receptor Blockers

In the renin-angiotensin-aldosterone system, a hormone called angiotensin II plays a crucial role. It binds to the AT1 receptors in vascular smooth muscles coupled with Gq proteins. The activation of these receptors activates an enzyme called phospholipase C, which releases two molecules: inositol trisphosphate and diacylglycerol. These molecules cause a chain reaction that leads to the phosphorylation of myosin light chains and promotes interaction between actin and myosin, leading to smooth...
2.9K
Hypertension and Regulation of Blood Pressure01:18

Hypertension and Regulation of Blood Pressure

Hypertension, the most common cardiovascular disease, is diagnosed through repeated measurements of elevated blood pressure. Its risks, including damage to the kidney, heart, and brain, are directly proportional to blood pressure levels. Starting from 115/75 mm Hg, the risk of cardiovascular disease doubles with each increment of 20/10 mm Hg. The diagnosis relies on blood pressure measurements, not on patient symptoms, as hypertension is often asymptomatic until end-organ damage is imminent or...
4.7K