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Somatostatin receptors

T Reisine1

  • 1Department of Pharmacology, University of Pennsylvania School of Medicine, Philadelphia, Pennsylvania 19104.

The American Journal of Physiology
|December 1, 1995
PubMed
Summary

Scientists are exploring somatostatin receptor subtypes to develop targeted drugs. Understanding receptor-ligand interactions could lead to new treatments for tumors and various disorders.

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Area of Science:

  • Endocrinology and Pharmacology
  • Molecular and Cellular Biology

Background:

  • Somatostatin exerts biological effects through a family of receptor subtypes.
  • The cloning of five somatostatin receptor subtypes has enabled the creation of subtype-selective agonists.

Purpose of the Study:

  • To investigate the distinct functions of individual somatostatin receptor subtypes.
  • To explore the potential for developing novel nonpeptide somatostatin drugs.

Main Methods:

  • Utilized subtype-selective somatostatin agonists to probe receptor functions.
  • Conducted mutagenesis studies to identify receptor domains involved in ligand recognition.
  • Employed molecular modeling of ligand-binding domains and somatostatin analogues.

Main Results:

  • Subtype-selective agonists are revealing unique functions for each somatostatin receptor.
  • Specific receptor domains crucial for recognizing somatostatin analogues have been identified.

Conclusions:

  • Understanding somatostatin receptor-ligand interactions is key to drug development.
  • Molecular modeling may facilitate the creation of nonpeptide somatostatin drugs.
  • These potential drugs could treat tumors and central nervous system, metabolic, and gastrointestinal disorders.

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