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Histamine and its receptors.

Mike E Parsons1, C Robin Ganellin

  • 1Department of Life Sciences, University of Hertfordshire, Hatfield, Hertfordshire AL10 9AB. m.e.parsons@herts.ac.uk

British Journal of Pharmacology
|January 13, 2006
PubMed
Summary

Histamine

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Area of Science:

  • Pharmacology
  • Immunology
  • Gastroenterology

Background:

  • Histamine plays a crucial role in physiological processes like gastric acid secretion and pathophysiological conditions such as allergic disorders.
  • The 20th century witnessed significant advancements in understanding histamine's actions and its receptor subtypes.

Observation:

  • Four distinct histamine receptor types (H1, H2, H3, and H4) have been identified through pharmacological studies.
  • Selective histamine receptor antagonists have demonstrated significant therapeutic value.

Findings:

  • H1-receptor antagonists (antihistamines) effectively treat allergic conditions like hay fever.
  • H2-receptor antagonists revolutionized the treatment of peptic ulcers and gastric acid-related diseases.
  • Emerging H3 and H4 receptor antagonists show potential for treating CNS disorders, obesity, asthma, and inflammation.

Implications:

  • Histamine receptor modulation offers diverse therapeutic strategies for a wide range of diseases.
  • Continued research into histamine receptor pharmacology promises novel drug development for unmet medical needs.

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