Cited by 44Neurotransmitter Receptor Influence on BehaviorPhosphodiesterase function and regulationSubstance Abuse Treatment and Outcomes

Reduction of alcohol drinking of alcohol-preferring (P) and high-alcohol drinking (HAD1) rats by targeting phosphodiesterase-4 (PDE4)

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Franklin, Kelle M., Hauser, Sheketha R., Lasek, Amy W., McClintick, Jeanette, Ding, Zheng-Ming, McBride, William J., Bell, Richard L.·2015·Psychopharmacology

Abstract

Rationale Phosphodiesterase-4 (PDE4) and neuroimmune signaling have been posited to regulate alcohol drinking.Objectives This study evaluated the involvement of PDE4 and Il22ra2 on ethanol (EtOH) intake by alcohol-preferring (P) and high-alcohol-drinking (HAD1) rats.Methods Exp 1 determined the dose-response effects of PDE4 inhibitors, rolipram, and Ro 20-1724, on 2 h/day free-choice EtOH intake by adult P and HAD1 rats. Exps 2-3 examined the effects of repeated administration with the PDE4 inhibitors on EtOH or sucrose intake and locomotor behavior. Exp 4 determined Pde4-associated gene expression differences in subregions of the extended amygdala, between high- and low-alcohol-consuming rat lines. Exp 5 evaluated the effects of infusing short hairpin RNA to knock down Il22ra2 in the nucleus accumbens (NAc) shell on a 24-h free-choice EtOH drinking by P rats.Results Administration of rolipram or Ro 20-1724 reduced EtOH intake by P rats; Ro 20-1724 reduced EtOH intake by HAD1 rats. Repeated rolipram or Ro 20-1724 exposure reduced EtOH intake by P and HAD1 rats. PDE4 inhibition induced motor impairment during the first hour of EtOH intake by P rats. Higher gene expression levels for PDE4A were found in the NAc shell of P vs NP rats. ShRNAs targeting Il22ra2 in the NAc shell significantly reduced chronic EtOH intake.Conclusions PDE4 and neuroinflammatory/immune signaling pathways could represent molecular targets for the treatment of alcohol use disorders in genetically predisposed subjects. This study underscores the importance of testing compounds over multiple days and rat lines when determining efficacy to disrupt excessive alcohol intake.

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Authors
Franklin, K. M., Hauser, S. R., Lasek, A. W., McClintick, J., Ding, Z.-M., McBride, W. J., & Bell, R. L.
Affiliations
  • Indiana University Indianapolis (US)
  • University of Illinois Chicago (US)
Corresponding author
Hauser, Sheketha R.
Venue
Psychopharmacology
Published
2015-01-15
Volume
232
Issue
13
Pages
2251-2262
ISSN
  • 0033-3158 (ISSN-L)
  • 1432-2072
OpenAlex
W1991694318
Cited by
44
References
63
Citations by year
2026: 3 · 2025: 2 · 2024: 4 · 2023: 3 · 2022: 3 · 2021: 3 · 2020: 4 · 2019: 4 · 2018: 8 · 2017: 4 · 2016: 4 · 2015: 2
FWCI
2.79
Type
journal article
Language
en
Open access
Locations
  • Psychopharmacology (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
  • IUScholarWorks (Indiana University) (submittedVersion)
  • Purdue University Indianapolis (Indiana University) (submittedVersion)
  • PMC
Funders
  • National Institute on Alcohol Abuse and Alcoholism (AA-07611, U01AA013522, AA-016654, U24AA015512, AA013522, P50AA007611, U24AA013522, U01AA016654, P60AA007611)
  • Eunice Kennedy Shriver National Institute of Child Health and Human Development (HHSN267200700037C)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Phosphodiesterase function and regulation
  • Health Sciences › Medicine › Epidemiology › Substance Abuse Treatment and Outcomes
Keywords
alcohol consumption, phosphodiesterase 4, phosphodiesterase-4 inhibitors, rolipram, Ro 20-1724, alcohol-preferring rats, high-alcohol-drinking rats, neuroimmune signaling, neuroinflammation, extended amygdala, nucleus accumbens shell, alcoholism, ethanol consumption, locomotor impairment, gene knockdown
MeSH terms
Alcohol Drinking, Ethanol, Animals, Dose-Response Relationship, Drug, Female, Male, Nucleus Accumbens, Species Specificity, Drug Delivery Systems, Rolipram, Rats, Cyclic Nucleotide Phosphodiesterases, Type 4, Phosphodiesterase 4 Inhibitors

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