Adenosine A 1 and dopamine D 1 receptor regulation of AMPA receptor phosphorylation and cocaine-seeking behavior

Benjamin D. Hobson, Casey E. O'Neill, Sophia C. Levis, Lisa M Monteggia, Rachael L. Neve, David W Self, Ryan K. Bachtell

Research output: Contribution to journalArticle

18 Citations (Scopus)

Abstract

AMPAR (α-amino-3-hydroxy-5-methylisoxazole-4-propionate glutamate receptor) stimulation in the nucleus accumbens (NAc) is critical in cocaine seeking. Here, we investigate the functional interaction between D 1 dopamine receptors (D1DR) and AMPARs in the NAc, and explore how A 1 adenosine receptor (A1AR) stimulation may reduce dopamine-induced facilitation of AMPARs and cocaine seeking. All animals were trained to self-administer cocaine and were tested for reinstatement of cocaine seeking following extinction procedures. The role of AMPARs in both AMPA- and D1DR-induced cocaine seeking was assessed using viral-mediated gene transfer to bi-directionally modulate AMPAR activity in the NAc core. The ability of pharmacological AMPAR blockade to modulate D1DR-induced cocaine seeking also was tested. Immunoblotting was used to determine whether stimulating D1DR altered synaptic AMPA GluA1 phosphorylation (pGluA1). Finally, the ability of an A1AR agonist to modulate D1DR-induced cocaine seeking and synaptic GluA1 receptor subunit phosphorylation was explored. Decreasing AMPAR function inhibited both AMPA- and D1DR-induced cocaine seeking. D1DR stimulation increased AMPA pGluA1 S845. Administration of the A1AR agonist alone decreased synaptic GluA1 expression, whereas coadministration of the A1AR agonist inhibited both cocaine- and D1DR-induced cocaine seeking and reversed D1DR-induced AMPA pGluA1 S845. These findings suggest that D1DR stimulation facilitates AMPAR function to initiate cocaine seeking in D1DR-containing direct pathway NAc neurons. A1AR stimulation inhibits both the facilitation of AMPAR function and subsequent cocaine seeking, suggesting that reducing AMPA glutamate neurotransmission in direct pathway neurons may restore inhibitory control and reduce cocaine relapse.

Original languageEnglish (US)
Pages (from-to)1974-1983
Number of pages10
JournalNeuropsychopharmacology
Volume38
Issue number10
DOIs
StatePublished - Sep 2013

Fingerprint

AMPA Receptors
Cocaine
Adenosine
Dopamine Receptors
Dopamine
Phosphorylation
alpha-Amino-3-hydroxy-5-methyl-4-isoxazolepropionic Acid
Nucleus Accumbens
Purinergic P1 Receptor Agonists
Purinergic P1 Receptors
Neurons
Neurotransmitter Receptor
Viral Genes
Propionates
Glutamate Receptors
Immunoblotting
Synaptic Transmission
Glutamic Acid

Keywords

  • adenosine receptor
  • glutamate receptor
  • Psychostimulant
  • purine
  • reinstatement
  • self-administration

ASJC Scopus subject areas

  • Pharmacology
  • Psychiatry and Mental health
  • Medicine(all)

Cite this

Hobson, B. D., O'Neill, C. E., Levis, S. C., Monteggia, L. M., Neve, R. L., Self, D. W., & Bachtell, R. K. (2013). Adenosine A 1 and dopamine D 1 receptor regulation of AMPA receptor phosphorylation and cocaine-seeking behavior. Neuropsychopharmacology, 38(10), 1974-1983. https://doi.org/10.1038/npp.2013.96

Adenosine A 1 and dopamine D 1 receptor regulation of AMPA receptor phosphorylation and cocaine-seeking behavior. / Hobson, Benjamin D.; O'Neill, Casey E.; Levis, Sophia C.; Monteggia, Lisa M; Neve, Rachael L.; Self, David W; Bachtell, Ryan K.

In: Neuropsychopharmacology, Vol. 38, No. 10, 09.2013, p. 1974-1983.

Research output: Contribution to journalArticle

Hobson, Benjamin D. ; O'Neill, Casey E. ; Levis, Sophia C. ; Monteggia, Lisa M ; Neve, Rachael L. ; Self, David W ; Bachtell, Ryan K. / Adenosine A 1 and dopamine D 1 receptor regulation of AMPA receptor phosphorylation and cocaine-seeking behavior. In: Neuropsychopharmacology. 2013 ; Vol. 38, No. 10. pp. 1974-1983.
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