Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1999-11-24
pubmed:abstractText
It is well known that the nucleoside adenosine exerts a modulatory influence in the central nervous system by activating G protein coupled receptors. Adenosine A2A receptors, the subject of the present review, are predominantly expressed in striatum, the major area of the basal ganglia. Activation of A2A receptors interferes with effects mediated by most of the principal neurotransmitters in striatum. In particular, the inhibitory interactions between adenosine acting on A2A receptors and dopamine acting on D2 receptors have been well examined and there is much evidence that A2A receptors may be a possible target for future development of drugs for treatment of Parkinson's disease, schizophrenia and affective disorders. Our understanding of the role of striatal A2A receptors has increased dramatically over the last few years. New selective antibodies, antagonist radioligands and optimized in situ hybridization protocols have provided detailed information on the distribution of A2A receptors in rodent as well as primate striatum. Studies on the involvement of A2A receptors in the regulation of DARPP-32 and the expression of immediate early genes, such as nerve growth factor-induced clone A and c-fos, have pointed out an important role for these receptors in regulating striatopallidal neurotransmission. Moreover, by using novel selective antagonists for A2A receptors and transgenic mice lacking functional A2A receptors, crucial information on the behavioral role of striatal A2A receptors has been provided, especially concerning their involvement in the stimulatory action of caffeine and the anti-Parkinsonian properties of A2A receptor antagonists. In the present review, current knowledge on the distribution, biochemistry and function of striatal A2A receptors is summarized.
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Nov
pubmed:issn
0301-0082
pubmed:author
pubmed:issnType
Print
pubmed:volume
59
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
355-96
pubmed:dateRevised
2006-11-15
pubmed:meshHeading
pubmed:year
1999
pubmed:articleTitle
Distribution, biochemistry and function of striatal adenosine A2A receptors.
pubmed:affiliation
Department of Physiology and Pharmacology, Karolinska Institutet, Stockholm, Sweden.
pubmed:publicationType
Journal Article, Review, Research Support, Non-U.S. Gov't