Adenosine hypothesis of schizophrenia - Opportunities for pharmacotherapy

Detlev Boison, Philipp Singer, Hai Ying Shen, Joram Feldon, Kay Yan Benjamin Yee

Research output: Journal article publicationJournal articleAcademic researchpeer-review

99 Citations (Scopus)

Abstract

Pharmacotherapy of schizophrenia based on the dopamine hypothesis remains unsatisfactory for the negative and cognitive symptoms of the disease. Enhancing N-methyl-d-aspartate receptors (NMDAR) function is expected to alleviate such persistent symptoms, but successful development of novel clinically effective compounds remains challenging. Adenosine is a homeostatic bioenergetic network modulator that is able to affect complex networks synergistically at different levels (receptor-dependent pathways, biochemistry, bioenergetics, and epigenetics). By affecting brain dopamine and glutamate activities, it represents a promising candidate for reversing the functional imbalance in these neurotransmitter systems believed to underlie the genesis of schizophrenia symptoms, as well as restoring homeostasis of bioenergetics. Suggestion of an adenosine hypothesis of schizophrenia further posits that adenosinergic dysfunction might contribute to the emergence of multiple neurotransmitter dysfunctions characteristic of schizophrenia via diverse mechanisms. Given the importance of adenosine in early brain development and regulation of brain immune response, it also bears direct relevance to the aetiology of schizophrenia. Here, we provide an overview of the rationale and evidence in support of the therapeutic potential of multiple adenosinergic targets, including the high-affinity adenosine receptors (A1R and A2AR), and the regulatory enzyme adenosine kinase (ADK). Key preliminary clinical data and preclinical findings are reviewed. This article is part of a Special Issue entitled 'Schizophrenia'.
Original languageEnglish
Pages (from-to)1527-1543
Number of pages17
JournalNeuropharmacology
Volume62
Issue number3
DOIs
Publication statusPublished - 1 Mar 2012
Externally publishedYes

Keywords

  • Animal model
  • Antipsychotics
  • Dopamine
  • Glutamate
  • NMDA
  • Psychosis

ASJC Scopus subject areas

  • Cellular and Molecular Neuroscience
  • Pharmacology

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