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Endothelins.

E E Anggård1, R M Botting, J R Vane

  • 1William Harvey Research Institute, St. Bartholomew's Hospital Medical College, London, UK.

Blood Vessels
|January 1, 1990
PubMed
Summary
This summary is machine-generated.

Endothelins (ETs) are potent vasoconstrictors found in various tissues. Their elevated levels in diseases suggest enhanced formation, highlighting their potential role in cardiovascular and kidney conditions.

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Area of Science:

  • Biochemistry
  • Physiology
  • Molecular Biology

Background:

  • Endothelins (ETs) are newly discovered peptides with potent vasoconstrictor properties.
  • ET expression is found in endothelial cells, brain, and kidney.
  • ETs are 21-amino acid peptides derived from big ET.

Purpose of the Study:

  • To summarize the current understanding of endothelins.
  • To highlight their physiological roles and implications in disease.
  • To suggest future research directions focusing on ET inhibitors.

Main Methods:

  • Literature review of in vitro and in vivo studies on endothelins.
  • Analysis of ET expression and circulating levels in various tissues and disease states.
  • Investigation of ET's vasoconstrictor and mitogenic effects.

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Main Results:

  • Endothelins exhibit powerful and long-lasting vasoconstrictor effects.
  • Elevated circulating ET levels are observed in shock, myocardial infarction, and kidney failure.
  • ETs demonstrate mitogenic properties, suggesting a potential trophic role.

Conclusions:

  • Endothelin release regulation is likely at the transcriptional or translational level.
  • Enhanced endothelin formation is implicated in several disease states.
  • Inhibitors of endothelin synthesis or action are crucial for future research.