Abstract
The adenosine A2A receptor (A2AR) is in the center of a neuromodulatory network affecting a wide range of neuropsychiatric functions by interacting with and integrating several neurotransmitter systems, especially dopaminergic and glutamatergic neurotransmission. These interactions and integrations occur at multiple levels, including (1) direct receptor- receptor cross-talk at the cell membrane, (2) intracellular second messenger systems, (3) trans-synaptic actions via striatal collaterals or interneurons in the striatum, (4) and interactions at the network level of the basal ganglia. Consequently, A2ARs constitute a novel target to modulate various psychiatric conditions. In the present review we will first summarize the molecular interaction of adenosine receptors with other neurotransmitter systems and then discuss the potential applications of A2AR agonists and antagonists in physiological and pathophysiological conditions, such as psychostimulant action, drug addiction, anxiety, depression, schizophrenia and learning and memory.
Keywords: Adenosine, A2A receptor, caffeine, psychostimulant, amphetamine, cocaine, schizophrenia, anxiety, depression, dopamine
Current Neuropharmacology
Title: Adenosine A2A Receptors in Psychopharmacology: Modulators of Behavior, Mood and Cognition
Volume: 7 Issue: 3
Author(s): Hai-Ying Shen and Jiang-Fan Chen
Affiliation:
Keywords: Adenosine, A2A receptor, caffeine, psychostimulant, amphetamine, cocaine, schizophrenia, anxiety, depression, dopamine
Abstract: The adenosine A2A receptor (A2AR) is in the center of a neuromodulatory network affecting a wide range of neuropsychiatric functions by interacting with and integrating several neurotransmitter systems, especially dopaminergic and glutamatergic neurotransmission. These interactions and integrations occur at multiple levels, including (1) direct receptor- receptor cross-talk at the cell membrane, (2) intracellular second messenger systems, (3) trans-synaptic actions via striatal collaterals or interneurons in the striatum, (4) and interactions at the network level of the basal ganglia. Consequently, A2ARs constitute a novel target to modulate various psychiatric conditions. In the present review we will first summarize the molecular interaction of adenosine receptors with other neurotransmitter systems and then discuss the potential applications of A2AR agonists and antagonists in physiological and pathophysiological conditions, such as psychostimulant action, drug addiction, anxiety, depression, schizophrenia and learning and memory.
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Cite this article as:
Shen Hai-Ying and Chen Jiang-Fan, Adenosine A2A Receptors in Psychopharmacology: Modulators of Behavior, Mood and Cognition, Current Neuropharmacology 2009; 7 (3) . https://dx.doi.org/10.2174/157015909789152191
DOI https://dx.doi.org/10.2174/157015909789152191 |
Print ISSN 1570-159X |
Publisher Name Bentham Science Publisher |
Online ISSN 1875-6190 |
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