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Related Concept Videos

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...
Heart Failure Drugs: Inhibitors of Renin-Angiotensin System01:26

Heart Failure Drugs: Inhibitors of Renin-Angiotensin System

The activation of the sympathetic nervous system and the renin-angiotensin-aldosterone system (RAAS) contributes to cardiac remodeling, and inhibiting the RAAS is a pharmacological target in heart failure management. As a result, neurohumoral modulation is a crucial treatment principle for managing heart failure. This approach involves using medications like ACE inhibitors (ACEIs), angiotensin receptor blockers (ARBs), β-blockers, mineralocorticoid receptor antagonists (MRAs), and neutral...
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.
Hormonal Regulation01:40

Hormonal Regulation

Hormones regulate a significant portion of digestion through activation of the neuroendocrine system. The neuroendocrine system of digestion contains many different hormones all with multiple functions that are both, directly and indirectly, involved in digestion.
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...
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,...

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Related Experiment Video

Updated: Jul 15, 2026

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

Aldosterone as a cardiovascular risk hormone.

Takanobu Yoshimoto1, Yukio Hirata

  • 1Department of Clinical and Molecular Endocrinology, Tokyo Medical and Dental University Graduate School, Japan.

Endocrine Journal
|April 6, 2007
PubMed
Summary

Aldosterone contributes to cardiovascular disease through direct effects on the heart, not just blood pressure. Targeting the mineralocorticoid receptor (MR) in non-epithelial tissues offers new therapeutic strategies for cardiovascular protection.

Related Experiment Videos

Last Updated: Jul 15, 2026

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 Medicine
  • Endocrinology
  • Molecular Biology

Background:

  • Aldosterone's role in cardiovascular disease was primarily attributed to its hypertensive effects via renal mineralocorticoid receptors (MR).
  • Emerging evidence suggests direct cardiovascular actions of aldosterone mediated by MRs in non-epithelial cells.

Purpose of the Study:

  • To review recent advancements in understanding aldosterone and MR effects on cardiovascular health.
  • To emphasize the pathophysiological role of aldosterone in cardiovascular diseases.
  • To explore molecular mechanisms of cardiovascular injury driven by non-epithelial MR activation.

Main Methods:

  • Review of clinical studies in primary aldosteronism and essential hypertension.
  • Analysis of experimental studies investigating aldosterone-induced cardiovascular injury.
  • Focus on inflammation and oxidative stress pathways.

Main Results:

  • Primary aldosteronism patients exhibit higher cardiovascular and renal complication rates.
  • Aldosterone antagonism provides cardiovascular protection in heart failure, independent of blood pressure.
  • Inflammation and oxidative stress are key early mediators of aldosterone-induced cardiovascular injury via non-epithelial MRs.

Conclusions:

  • Aldosterone directly impacts cardiovascular tissues through non-epithelial MR activation.
  • Targeting non-epithelial MRs presents a promising therapeutic avenue for cardiovascular protection.
  • Understanding these mechanisms is crucial for managing aldosterone-related cardiovascular pathologies.