The VMAT-2 inhibitor tetrabenazine affects effort-related decision making in a progressive ratio/chow feeding choice task: Reversal with antidepressant drugs

Patrick A. Randall, Christie A. Lee, Eric J. Nunes, Samantha E. Yohn, Victoria Nowak, Bilal Khan, Priya Shah, Saagar Pandit, V. Kiran Vemuri, Alex Makriyannis, Younis Baqi, Christa E. Müller, Merce Correa, John D. Salamone

Research output: Contribution to journalArticle

39 Citations (Scopus)

Abstract

Behavioral activation is a fundamental feature of motivation, and organisms frequently make effort-related decisions based upon evaluations of reinforcement value and response costs. Furthermore, people with major depression and other disorders often show anergia, psychomotor retardation, fatigue, and alterations in effort-related decision making. Tasks measuring effort-based decision making can be used as animal models of the motivational symptoms of depression, and the present studies characterized the effort-related effects of the vesicular monoamine transport (VMAT-2) inhibitor tetrabenazine. Tetrabenazine induces depressive symptoms in humans, and also preferentially depletes dopamine (DA). Rats were assessed using a concurrent progressive ratio (PROG)/chow feeding task, in which they can either lever press on a PROG schedule for preferred high-carbohydrate food, or approach and consume a less-preferred lab chow that is freely available in the chamber. Previous work has shown that the DA antagonist haloperidol reduced PROG work output on this task, but did not reduce chow intake, effects that differed substantially from those of reinforcer devaluation or appetite suppressant drugs. The present work demonstrated that tetrabenazine produced an effort-related shift in responding on the PROG/chow procedure, reducing lever presses, highest ratio achieved and time spent responding, but not reducing chow intake. Similar effects were produced by administration of the subtype selective DA antagonists ecopipam (D1) and eticlopride (D2), but not by the cannabinoid CB1 receptor neutral antagonist and putative appetite suppressant AM 4413, which suppressed both lever pressing and chow intake. The adenosine A2A antagonist MSX-3, the antidepressant and catecholamine uptake inhibitor bupropion, and the MAO-B inhibitor deprenyl, all reversed the impairments induced by tetrabenazine. This work demonstrates the potential utility of the PROG/chow procedure as a rodent model of the effort-related deficits observed in depressed patients.

Original languageEnglish
Article numbere99320
JournalPLoS One
Volume9
Issue number6
DOIs
Publication statusPublished - Jun 17 2014

Fingerprint

Tetrabenazine
choice feeding
antidepressants
Antidepressive Agents
decision making
antagonists
Decision Making
appetite suppressants
Decision making
dopamine
Appetite Depressants
eticlopride
Dopamine Antagonists
Depression
signs and symptoms (animals and humans)
haloperidol
Selegiline
Bupropion
Cannabinoid Receptor CB1
monoamines

ASJC Scopus subject areas

  • Agricultural and Biological Sciences(all)
  • Biochemistry, Genetics and Molecular Biology(all)
  • Medicine(all)

Cite this

The VMAT-2 inhibitor tetrabenazine affects effort-related decision making in a progressive ratio/chow feeding choice task : Reversal with antidepressant drugs. / Randall, Patrick A.; Lee, Christie A.; Nunes, Eric J.; Yohn, Samantha E.; Nowak, Victoria; Khan, Bilal; Shah, Priya; Pandit, Saagar; Vemuri, V. Kiran; Makriyannis, Alex; Baqi, Younis; Müller, Christa E.; Correa, Merce; Salamone, John D.

In: PLoS One, Vol. 9, No. 6, e99320, 17.06.2014.

Research output: Contribution to journalArticle

Randall, PA, Lee, CA, Nunes, EJ, Yohn, SE, Nowak, V, Khan, B, Shah, P, Pandit, S, Vemuri, VK, Makriyannis, A, Baqi, Y, Müller, CE, Correa, M & Salamone, JD 2014, 'The VMAT-2 inhibitor tetrabenazine affects effort-related decision making in a progressive ratio/chow feeding choice task: Reversal with antidepressant drugs', PLoS One, vol. 9, no. 6, e99320. https://doi.org/10.1371/journal.pone.0099320
Randall, Patrick A. ; Lee, Christie A. ; Nunes, Eric J. ; Yohn, Samantha E. ; Nowak, Victoria ; Khan, Bilal ; Shah, Priya ; Pandit, Saagar ; Vemuri, V. Kiran ; Makriyannis, Alex ; Baqi, Younis ; Müller, Christa E. ; Correa, Merce ; Salamone, John D. / The VMAT-2 inhibitor tetrabenazine affects effort-related decision making in a progressive ratio/chow feeding choice task : Reversal with antidepressant drugs. In: PLoS One. 2014 ; Vol. 9, No. 6.
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