Cited by 26Neurotransmitter Receptor Influence on BehaviorStress Responses and CortisolNeuroscience and Neuropharmacology Research

Stress as a Risk Factor for Substance Use Disorders: A Mini-Review of Molecular Mediators

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Mukhara, Deepika, Banks, Matthew L., Neigh, Gretchen N.·2018·Frontiers in Behavioral Neuroscience

Abstract

the mesolimbic pathway remain elusive. In this mini-review article, we highlight three mechanisms by which glucocorticoids (GCs) and the dopaminergic system interact. First, GCs upregulate tyrosine hydroxylase (TH), the rate-limiting enzyme in dopamine (DA) synthesis. Second, GCs downregulate monoamine-oxidase (MAO), an enzyme responsible for DA removal. Lastly, GCs are hypothesized to decrease DA reuptake, subsequently increasing synaptic DA. Based on these interactions, we review preclinical literature highlighting how stress modulates the mesolimbic pathway, including the ventral tegmental area (VTA) and nucleus accumbens (NAcs), to alter cocaine abuse-related effects. Taken together, stress enhances cocaine's abuse-related effects at multiple points along the VTA mesolimbic projection, and uniquely in the NAcs through a positive feedback type mechanism. Furthermore, we highlight future directions to elucidate the interaction between the prefrontal cortex (PFC) and key intermediaries including ΔFosB, cAMP response element binding protein (CREB) and cyclin-dependent kinase 5 (CDK5) to highlight possible mechanisms that underlie stress-induced acceleration of the progression to a cocaine use disorder diagnosis.

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Crossref · 10.3389/fnbeh.2018.00309

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  • GCs upregulate tyrosine hydroxylase, the rate-limiting enzyme in DA synthesis.

    “A recent review of preclinical data suggests three mechanisms by which DA and GCs interact: (1) GCs upregulate tyrosine hydroxylase (rate-limiting enzyme in DA synthesis) (2) GCs down-regulate monoamine oxidase (enzyme responsible for DA removal) and (3) GCs are hypothesized to decrease DA uptake subsequently increasing synaptic DA [189].”
  • GCs are hypothesized to decrease DA uptake subsequently increasing synaptic DA.

    “A recent review of preclinical data suggests three mechanisms by which DA and GCs interact: (1) GCs upregulate tyrosine hydroxylase (rate-limiting enzyme in DA synthesis) (2) GCs down-regulate monoamine oxidase (enzyme responsible for DA removal) and (3) GCs are hypothesized to decrease DA uptake subsequently increasing synaptic DA [189].”
  • GCs down-regulate monoamine oxidase, the enzyme responsible for DA removal.

    “A recent review of preclinical data suggests three mechanisms by which DA and GCs interact: (1) GCs upregulate tyrosine hydroxylase (rate-limiting enzyme in DA synthesis) (2) GCs down-regulate monoamine oxidase (enzyme responsible for DA removal) and (3) GCs are hypothesized to decrease DA uptake subsequently increasing synaptic DA [189].”

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Authors
Mukhara, D., Banks, M. L., & Neigh, G. N.
Affiliations
Virginia Commonwealth University (US)
Corresponding author
Neigh, Gretchen N.
Venue
Frontiers in Behavioral Neuroscience
Published
2018-12-21
Volume
12
Pages
309-309
ISSN
1662-5153 (ISSN-L)
OpenAlex
W2906426747
Cited by
26
References
92
Citations by year
2026: 1 · 2025: 1 · 2024: 2 · 2023: 4 · 2022: 4 · 2021: 5 · 2020: 6 · 2019: 3
FWCI
0.45
Type
journal article
Language
en
Open access
Locations
  • Frontiers in Behavioral Neuroscience (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, cc-by)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
Funders
  • National Institutes of Health
  • National Institute of Nursing Research (NR014886, R01NR014886)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Life Sciences › Neuroscience › Behavioral Neuroscience › Stress Responses and Cortisol
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neuroscience and Neuropharmacology Research
Keywords
stress, substance use disorders, cocaine dependence, mesolimbic system, glucocorticoids, dopamine, tyrosine hydroxylase, monoamine oxidase, dopamine reuptake, ventral tegmental area, nucleus accumbens, prefrontal cortex, ΔFosB, CREB, cyclin-dependent kinase 5, positive feedback

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