Cited by 137Neuropeptides and Animal PhysiologyNeurotransmitter Receptor Influence on BehaviorStress Responses and Cortisol

Neurochemical and behavioral effects of corticotropin-releasing factor in the ventral tegmental area of the rat

Kalivas, P W, Duffy, P, Latimer, L G·1987·The Journal of Pharmacology and Experimental Therapeutics

Abstract

Corticotropin-releasing factor (CRF) is thought to have a neurotransmitter function in the mammalian central nervous system. The release of CRF into the hypothalamic-hypophyseal portal system in response to stress is known, and it has been suggested that CRF may function elsewhere in the central nervous system to promote stress-induced physiological and behavioral changes. Acute stress has been shown to activate dopamine (DA) neurons in the ventral tegmental area (VTA) that project to the prefrontal cortex. To determine whether CRF may act in the VTA to activate the mesocortical or mesolimbic DA systems, it was injected into the VTA of rats, and changes in spontaneous motor behavior and DA metabolism were measured. Intra-VTA injection of CRF produced a dose-dependent increase in horizontal and vertical photocell counts with a minimal effective dose of 0.01 and 0.1 nmol, respectively. In contrast, the minimal effective dose for CRF-stimulated motor behavior after injection into the lateral ventricles was 0.3 nmol for horizontal activity. Furthermore, in the open field, the behavioral profile of CRF (0.3 nmol) given intra-VTA differed from that observed after intraventricular injection. The motor stimulant effect of intra-VTA CRF was not blocked by pretreatment with the DA receptor antagonist haloperidol. After intra-VTA injection, CRF produced a dose-dependent decrease in DA metabolism in the prefrontal cortex. The decrease in DA metabolism in the prefrontal cortex was present at 30 and 60 min but not at 120 min after injection, and in the nucleus accumbens DA metabolism was increased only at 60 min after injection.(ABSTRACT TRUNCATED AT 250 WORDS)

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Crossref · 10.1016/s0022-3565(25)39170-6

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  • After birth, CRF and glucocorticoids can potentiate dopamine release.

    “Postnatally, CRF and glucocorticoids can potentiate dopamine release (Bagosi et al., 2006; Kalivas et al., 1987; Piazza et al., 1996).”

    From The effects of early life stress on reward processing (2018) · cites this paper as Kalivas et al., 1987

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Authors
Kalivas, P. W., Duffy, P., & Latimer, L. G.
Affiliations
Washington State University (US)
Venue
The Journal of Pharmacology and Experimental Therapeutics
Publisher
Elsevier BV
Published
1987-09
Volume
242
Issue
3
Pages
757-763
ISSN
0022-3565 (ISSN-L)
OpenAlex
W2272340543
Cited by
137
References
0
Citations by year
2025: 1 · 2024: 1 · 2023: 1 · 2022: 3 · 2021: 1 · 2020: 1 · 2019: 1 · 2018: 5 · 2017: 3 · 2016: 3 · 2015: 6 · 2014: 6 · 2013: 4 · 2012: 6
FWCI
1.39
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Pharmacology and Experimental Therapeutics (publishedVersion)
  • PubMed (publishedVersion)
  • PubMed
Funders
  • National Institute of Mental Health (MH-40817)
  • National Institute on Drug Abuse (DA03906)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuropeptides and Animal Physiology
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
Keywords
corticotropin-releasing factor, ventral tegmental area, dopamine metabolism, mesolimbic dopamine system, mesocortical dopamine system, motor stimulation, prefrontal cortex, nucleus accumbens, stress, haloperidol, intraventricular injection
MeSH terms
Animals, Corticotropin-Releasing Hormone, Dopamine, Dose-Response Relationship, Drug, Frontal Lobe, Haloperidol, Male, Motor Activity, Naloxone, Rats, Inbred Strains, Tegmentum Mesencephali, Rats

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