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Related Concept Videos

Cholesterol: Significance and Regulation01:29

Cholesterol: Significance and Regulation

Although not a source of energy, cholesterol plays a significant role as a foundational structure for bile salts, steroid hormones, and vitamin D, as well as being a crucial component of plasma membranes. Approximately 15% of blood cholesterol is derived from our diet, with the remainder synthesized from acetyl CoA by the liver and intestines. Cholesterol is eliminated from the body through its conversion into bile salts, which are eventually discarded in the feces.
Considering cholesterol and...
Blood Studies for Cardiovascular System III: Serum Lipid Profile01:25

Blood Studies for Cardiovascular System III: Serum Lipid Profile

Understanding serum lipids is crucial for maintaining cardiovascular health and preventing heart disease and stroke.
Serum lipids are fats and fatty substances in the blood and are crucial for various bodily functions, including energy storage, cellular structure, and hormone production. Serum lipids consist of cholesterol, triglycerides, and phospholipids.
Cholesterol is a soft, fat-like substance found in all body cells. It is crucial for producing hormones, vitamin D, and substances that aid...
Atherosclerosis III: Management01:26

Atherosclerosis III: Management

Management of atherosclerosis involves an integrated strategy encompassing pharmacological treatment, surgical interventions, lifestyle changes, and nutrition therapy to address the multifactorial nature of the disease.Pharmacological TherapyA cornerstone of atherosclerosis management is the use of pharmacological agents. Statins, such as atorvastatin, are pivotal in inhibiting HMG-CoA reductase, an enzyme that catalyzes an initial step in cholesterol synthesis in the liver. This reduction in...
Lipid-derived Compounds in the Human Body01:31

Lipid-derived Compounds in the Human Body

Fats and lipids are crucial components in the human body. Some lipid-derived compounds, such as fat-soluble vitamins, eicosanoids, lipoproteins, and glycolipids, also play unique roles to support various  biological processes .
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Fat-soluble vitamins, including vitamins A, D, E, and K, are required in minimal quantities, but their deficiencies can lead to severely abnormal physiological conditions. For example, vitamin A deficiency can cause night blindness, dry skin, delayed...
Liver Physiology01:30

Liver Physiology

The liver, an essential organ in the human body, performs over 200 vital functions that can be broadly categorized into metabolic, hematological, endocrine regulation, and bile production.
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Regulation of the Cardiovascular System

The regulation of the cardiovascular system allows the body to adapt to various demands and maintain homeostasis.
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Related Experiment Video

Updated: May 31, 2026

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
08:42

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport

Published on: November 27, 2016

Bile acids regulate cardiovascular function.

Sandeep Khurana1, Jean-Pierre Raufman, Thomas L Pallone

  • 1Division of Gastroenterology and Hepatology, VA Maryland Health Care System and University of Maryland School of Medicine, Baltimore, MD, USA. skhurana@medicine.umaryland.edu

Clinical and Translational Science
|June 29, 2011
PubMed
Summary
This summary is machine-generated.

Bile acids (BAs) are signaling molecules impacting cardiovascular function by interacting with specific receptors in the heart and blood vessels. This review explores their newly discovered roles in regulating heart rate and vascular tone.

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Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
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Last Updated: May 31, 2026

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport
08:42

Using Multi-fluorinated Bile Acids and In Vivo Magnetic Resonance Imaging to Measure Bile Acid Transport

Published on: November 27, 2016

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles
09:15

Differential Effects of Lipid-lowering Drugs in Modulating Morphology of Cholesterol Particles

Published on: November 10, 2017

Area of Science:

  • Cardiovascular Physiology
  • Endocrinology
  • Metabolic Signaling

Background:

  • Bile acids (BAs) traditionally aid lipid digestion and cholesterol metabolism.
  • BAs are increasingly recognized as signaling molecules interacting with plasma membrane and nuclear receptors.
  • These interactions influence BA synthesis, glucose, and energy homeostasis.

Purpose of the Study:

  • To comprehensively review the actions of bile acids on cardiovascular function.
  • To explore the mechanisms of BA-mediated regulation of the cardiovascular system.
  • To highlight the role of BAs in cardiovascular health and disease.

Main Methods:

  • Review of existing literature on bile acids and cardiovascular function.
  • Analysis of BA interactions with cardiovascular receptors (TGR5, muscarinic, FXR, PXR).
  • Examination of BA effects on cardiomyocyte function and vascular tone.

Main Results:

  • Bile acids modulate heart rate by regulating ion channel conductance and calcium dynamics in cardiomyocytes.
  • BAs influence vascular tone through both endothelium-dependent and -independent pathways.
  • Elevated serum BAs in liver diseases alter vascular dynamics.

Conclusions:

  • Bile acids are significant signaling molecules with direct effects on cardiovascular function.
  • Further research is needed to fully elucidate the mechanisms of BA-cardiovascular interactions.
  • Understanding these roles may offer new therapeutic targets for cardiovascular diseases.