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Related Experiment Videos

[Selenium and cardiovascular pathology].

J Neve1

  • 1Unité de Toxicologie et de Chimie Bioanalytique, Faculté de Médecine et de Pharmacie, Université Libre de Bruxelle, Belgique.

Pathologie-Biologie
|December 1, 1989
PubMed
Summary

Selenium deficiency impacts heart muscle integrity and cardiovascular disease risk. Ensuring adequate selenium intake is crucial for heart health and preventing related conditions.

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Report on the 3rd International FESTEM Symposium on "Recent advances in trace element research: from experiments to nutritional and clinical applications in humans", Santiago de Compostela, Spain, May 16-19, 2007.

Journal of trace elements in medicine and biology : organ of the Society for Minerals and Trace Elements (GMS)·2007

Area of Science:

  • Biochemistry
  • Cardiology
  • Nutritional Science

Context:

  • Selenium is an essential trace element vital for numerous physiological processes.
  • Cardiovascular diseases (CVDs) are a significant global health concern.
  • Dietary selenium intake may be insufficient in many populations.

Purpose:

  • To explore the role of selenium in cardiovascular health.
  • To highlight the implications of selenium deficiency on cardiac function and integrity.
  • To emphasize the need for further research into optimal selenium requirements.

Summary:

  • Selenium plays a critical role in protecting endothelial cells from oxidative stress.
  • It influences the biosynthesis of arachidonic acid derivatives, affecting platelet and leukocyte functions.
  • Selenium also aids in cholesterol regulation, prevents heavy metal toxicity (cadmium, mercury), and modulates calcium transport.
  • Clinical and epidemiological studies link selenium deficiency to increased CVD incidence and impaired cardiac function.
  • Marginal selenium deficiency's impact on heart health warrants further investigation.

Impact:

  • Understanding selenium's role can inform strategies for CVD prevention and management.
  • Highlights the importance of adequate dietary selenium intake for maintaining cardiac muscle integrity.
  • Suggests potential therapeutic or preventative roles for selenium supplementation in at-risk populations.

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