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Expression of a D 2 dopamine receptor antisense RNA in brain inhibits D 2-mediated behaviors
Journal article   Peer reviewed

Expression of a D 2 dopamine receptor antisense RNA in brain inhibits D 2-mediated behaviors

Benjamin Weiss, Genoveva Davidkova, Long-Wu Zhou, Sui-Po Zhang and Mark Morabito
Neurochemistry international, v 31(4), pp 571-580
1997
DOI: https://doi.org/10.1016/S0197-0186(97)00025-9
PMID: 9308007
Featured in Collection :   UN Sustainable Development Goals @ Drexel

Abstract

6-OHDA, 6-hydroxydopamine SKF 38393, [1-phenyl-2,3,4,5-tetrahydro-1H-3-benzazepine-7,8-diol hydrochloride] AS, antisense, cDNA, complementary deoxyribonucleic acid CSF, artificial cerebrospinal fluid PCR, polymerase chain reaction SDS, sodium dodecyl sulfate mRNA, messenger ribonucleic acid DOTAP, 1,2-dioleoyl-3-trimethylammonium propane RT-PCR, reverse transcription-polymerase chain reaction SCH 23390, (R)-(+)8-chloro-2,3,4,5-tetrahydro-3-methyl-5-phenyl-1-H3-benzazepine-7-ol
Drugs currently used to treat disorders of dopamine-mediated behaviors in the central nervous system are non-selective in that they interact not only with more than one isoform of dopamine receptor but also with receptors for other neurotransmitters. A new strategy to inhibit the actions of individuals dopamine receptor subtypes is to inhibit the synthesis of the receptors through the use of oligonucleotides antisense to the transcripts encoding the different receptors. Earlier studies showed that oligodeoxynucleotides antisense to the D 1 or D 2 dopamine receptor messenger RNAs specifically inhibited the biological actions mediated by these individual isoforms of the dopamine receptor. However, these actions were relatively short-lasting. To determine whether one can achieve long-lasting inhibition of dopamine responses, while still taking advantage of the highly selective nature of an antisense strategy, an expression vector was employed that generates antisense RNA to the transcripts encoding the D 2 dopamine receptor. A single intrastriatal injection of this vector generated an antisense RNA to the D 2 dopamine receptor, selectively reduced the levels of D 2 dopamine receptors, and caused selective, long-term inhibition of behaviors mediated by D 2 dopamine agonists. Such an antisense RNA strategy may find use in studying the function of dopaminergic receptors and in disorders associated with dopaminergic hyperactivity.

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Web of Science research areas
Biochemistry & Molecular Biology
Neurosciences
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