Cited by 105Neurotransmitter Receptor Influence on BehaviorOpioid Use Disorder TreatmentPain Management and Opioid Use

Genetic addiction risk score GARS trade a predictor of vulnerability to opioid dependence

Blum, Kenneth·2018·Frontiers in Bioscience

Abstract

The interaction of neurotransmitters and genes that control the release of dopamine is the Brain Reward Cascade (BRC). Variations within the BRC, whether genetic or epigenetic, may predispose individuals to addictive behaviors and altered pain tolerance. This discussion authored by a group of concerned scientists and clinicians examines the Genetic Addiction Risk Score (GARS), the first test to accurately predict vulnerability to pain, addiction, and other compulsive behaviors, defined as Reward Deficiency Syndrome (RDS). Innovative strategies to combat epidemic opioid, iatrogenic prescription drug abuse and death, based on the role of dopaminergic tone in pain pathways, are proposed. Sensitivity to pain may reside in the mesolimbic projection system, where genetic polymorphisms associate with a predisposition to pain vulnerability or tolerance. They provide unique therapeutic targets that could assist in the treatment of pain, and identify risk for subsequent addiction. Pharmacogenomic testing of candidate genes like CB1, mu receptors, and PENK might result in pharmacogenomic, personalized solutions, and improved clinical outcomes. Genetically identifying risk for all RDS behaviors, especially in compromised populations, may be a frontline tool to assist municipalities to provide better resource allocation.

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Registry

Crossref · 10.2741/e816

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Authors
Blum, K.
Affiliations
University of Florida Health (US)
Corresponding author
Blum, Kenneth
Venue
Frontiers in Bioscience
Publisher
IMR Press
Published
2018
Volume
10
Issue
1
Pages
175-196
ISSN
  • 1944-7892 (ISSN-L)
  • 1945-0494
  • 1945-0508
OpenAlex
W2758983729
Cited by
104
References
0
Citations by year
2026: 2 · 2025: 5 · 2024: 7 · 2023: 3 · 2022: 11 · 2021: 9 · 2020: 50 · 2019: 12 · 2018: 5
FWCI
8.97
Type
journal article
Language
en
Open access
closed
Locations
  • Frontiers in Bioscience-Elite (publishedVersion)
  • PubMed (publishedVersion)
Funders
  • Centers for Disease Control and Prevention
  • National Institute on Minority Health and Health Disparities (R41MD012318, G12MD007597)
Topics
  • Life Sciences › Neuroscience › Cellular and Molecular Neuroscience › Neurotransmitter Receptor Influence on Behavior
  • Health Sciences › Medicine › Public Health, Environmental and Occupational Health › Opioid Use Disorder Treatment
  • Health Sciences › Medicine › Anesthesiology and Pain Medicine › Pain Management and Opioid Use
Keywords
opioid use disorder, reward deficiency syndrome, dopamine, pain sensitivity, mesolimbic system, genetic polymorphism, pharmacogenomics, CB1 receptor, mu-opioid receptor, proenkephalin, prescription drug misuse, addiction risk prediction, personalized pain treatment
MeSH terms
Analgesics, Opioid, Dopamine, Humans, Opioid-Related Disorders, Pain, Pharmacogenetics, Stress, Psychological, Genetic Predisposition to Disease, Pain Management

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