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Related Experiment Videos

Endothelin receptor antagonism

T J Opgenorth1

  • 1Abbott Laboratories, Abbott Park, Illinois 60064-3500, USA.

Advances in Pharmacology (San Diego, Calif.)
|January 1, 1995
PubMed
Summary
This summary is machine-generated.

Endothelin (ET) signaling is crucial for smooth muscle tone and nonvascular functions. Gene disruption studies reveal the endothelin system

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Area of Science:

  • Endocrinology and Molecular Biology
  • Cardiovascular Research
  • Developmental Biology

Background:

  • Endothelin (ET) plays a key role in regulating smooth muscle tone and cell growth.
  • The endothelin system's involvement in nonvascular functions is increasingly recognized.
  • Advances in ET receptor antagonists have facilitated research into the ET system's biological significance and therapeutic potential.

Purpose of the Study:

  • To review the current understanding of the endothelin system.
  • To highlight the therapeutic potential of ET system antagonism.
  • To discuss the insights gained from gene disruption studies on ET system function.

Main Methods:

  • Review of existing literature on endothelin.
  • Analysis of data from ET receptor antagonist studies.

Related Experiment Videos

  • Examination of results from ET gene knockout mouse models.

    • Main Results:

    • ET-1 deficient mice exhibit craniofacial abnormalities and respiratory failure.
    • ETA receptor knockout mice show similar morphological defects to ET-1 deficient mice.
    • ET-3 and ETB receptor gene disruptions lead to phenotypes resembling Hirschsprung's disease, indicating a role in neural crest development.

    Conclusions:

    • The endothelin system is essential for embryonic neural crest development.
    • ET receptor antagonists hold significant therapeutic potential.
    • Further research is needed to address confounding issues like ETB receptor function and species variations.