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Related Concept Videos

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.
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...
Hormones of the Adrenal Glands01:31

Hormones of the Adrenal Glands

Adrenal hormones play a pivotal role in maintaining the body's electrolyte balance and orchestrating responses to stress, showcasing the intricate functions of the adrenal cortex and medulla.
The adrenal cortex, a powerhouse of hormone synthesis, generates over two dozen corticosteroid hormones. The zona glomerulosa produces mineralocorticoids, exemplified by aldosterone, influencing the electrolyte composition of body fluids. The synthesis of glucocorticoids such as cortisol and corticosterone...
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...
Hormonal Regulation of Blood Pressure01:17

Hormonal Regulation of Blood Pressure

Endocrinal or hormonal intervention in the cardiovascular system is predominantly exerted by the catecholamines - epinephrine and norepinephrine, as well as a slew of hormones that interact with renal function to modulate blood volume.
Epinephrine and Norepinephrine
The adrenal medulla releases epinephrine and norepinephrine, catecholamines that enhance and extend the sympathetic or "fight or flight" physiological response. These hormones escalate heart rate and the force of contraction while...
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,...

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Updated: Jun 13, 2026

Isolation and Adoptive Transfer of High Salt Treated Antigen-presenting Dendritic Cells
09:29

Isolation and Adoptive Transfer of High Salt Treated Antigen-presenting Dendritic Cells

Published on: March 5, 2019

Aldosterone and inflammation.

Kimberly C Gilbert1, Nancy J Brown

  • 1Division of Clinical Pharmacology, Department of Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee 37232-6602, USA.

Current Opinion in Endocrinology, Diabetes, and Obesity
|April 29, 2010
PubMed
Summary
This summary is machine-generated.

Aldosterone drives inflammation, fibrosis, and remodeling in vital organs. Understanding its mechanisms supports new therapies targeting the mineralocorticoid receptor for cardiovascular and kidney diseases.

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Induction of Atherosclerotic Plaques Through Activation of Mineralocorticoid Receptors in Apolipoprotein E-deficient Mice
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Last Updated: Jun 13, 2026

Isolation and Adoptive Transfer of High Salt Treated Antigen-presenting Dendritic Cells
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Induction of Atherosclerotic Plaques Through Activation of Mineralocorticoid Receptors in Apolipoprotein E-deficient Mice
07:36

Induction of Atherosclerotic Plaques Through Activation of Mineralocorticoid Receptors in Apolipoprotein E-deficient Mice

Published on: September 26, 2018

Area of Science:

  • Cardiovascular Science
  • Endocrinology
  • Nephrology

Background:

  • Aldosterone contributes to tissue inflammation, fibrosis, and remodeling in the heart, vasculature, and kidneys.
  • Mineralocorticoid receptor (MR) activation is a key pathway in aldosterone's effects.

Purpose of the Study:

  • To summarize recent findings on the mechanisms by which aldosterone stimulates inflammation.
  • To highlight the role of MR activation in aldosterone-induced tissue damage.

Main Methods:

  • Review of recent scientific literature and mechanistic studies.
  • Analysis of cell-specific effects of MR activation.
  • Examination of molecular pathways involved in aldosterone signaling.

Main Results:

  • MR activation promotes inflammatory cell infiltration and adhesion.
  • Macrophages play a crucial role in vascular collagen deposition and hypertension.
  • Aldosterone, via MR, induces an inflammatory phenotype in adipocytes, contributing to insulin resistance and oxidative stress.
  • A complex interplay exists between the angiotensin subtype 1 (AT1) receptor and MR in vascular smooth muscle cells, involving nuclear factor-kappaB activation.

Conclusions:

  • Mechanistic insights into aldosterone-induced inflammation provide a basis for novel therapeutic strategies.
  • Mineralocorticoid receptor antagonists and aldosterone synthase inhibitors show promise for expanded therapeutic applications.