Molecular aspects of the histamine H3 receptor

Gerold Bongers, Remko A. Bakker, Rob Leurs

Research output: Contribution to journalArticlepeer-review

110 Scopus citations


The cloning of the histamine H3 receptor (H3R) cDNA in 1999 by Lovenberg et al. [10] allowed detailed studies of its molecular aspects and indicated that the H3R can activate several signal transduction pathways including Gi/o-dependent inhibition of adenylyl cyclase, activation of phospholipase A2, Akt and the mitogen activated kinase as well as the inhibition of the Na+/H+ exchanger and inhibition of K+-induced Ca2+ mobilization. Moreover, cloning of the H3R has led to the discovery several H3R isoforms generated through alternative splicing of the H3R mRNA. The H3R has gained the interest of many pharmaceutical companies as a potential drug target for the treatment of various important disorders like obesity, myocardial ischemia, migraine, inflammatory diseases and several CNS disorders like Alzheimer's disease, attention-deficit hyperactivity disorder and schizophrenia. In this paper, we review various molecular aspects of the hH3R including its signal transduction, dimerization and the occurrence of different H3R isoforms.

Original languageEnglish
Pages (from-to)1195-1204
Number of pages10
JournalBiochemical Pharmacology
Issue number8
StatePublished - 15 Apr 2007
Externally publishedYes


  • Dimerization
  • G protein-coupled receptor
  • Histamine H receptor
  • Pharmacology
  • Signal transduction
  • Splice variant


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