Precision Genomics: A Reality Having Universal Impact in a New Era of Psychiatry – Lessons Learned, Past and Present
Addiction neuroscience explores the complex interplay between genetic, neurobiological, environmental, and socio-spiritual factors underlying substance and behavioral addictions. Over the past three decades, research in this domain has identified critical molecular and epigenetic mechanisms-particularly those affecting dopaminergic signaling and reward pathways-that contribute to both vulnerability and resilience to addictive behaviors. Central to this understanding is the concept of reward deficiency syndrome (RDS), first introduced by Kenneth Blum, which posits that hypodopaminergic functioning predisposes individuals to seek maladaptive rewards. Advances in neurogenetics, including the identification of key polymorphisms such as the DRD2 A1 allele, have paved the way for precision tools like the genetic addiction risk severity (GARS<sup>®</sup>) test. This test, alongside pro-dopaminergic nutraceutical interventions like KB220, demonstrates the potential for early detection and individualized treatment of "pre-addiction" risk states. Despite ongoing reliance on opioids for opioid use disorder (OUD), emerging paradigms advocate for dopamine homeostasis through non-addictive, integrative approaches. Furthermore, the integration of whole genome sequencing data can be used for Genome-Wide Association Studies (GWAS), multi-omics, and machine learning into clinical practice holds promise for advancing personalized medicine in addiction treatment. As the field progresses, addressing health equity and improving genomic representation across populations remain critical goals. This evolving framework underscores the importance of leveraging genomic insights to prevent, predict, and personalize interventions for addiction and mental illness at scale.
Authors
- Rossano Kepler Alvim Fiorelli (ORCID: https://orcid.org/0000-0001-5236-0903)
- Mauro Ceccanti (ORCID: https://orcid.org/0000-0001-9981-8715)
- Paul R. Carney (ORCID: https://orcid.org/0000-0001-6248-1493)
- Daniel Gastelu
- Debasis Bagchi (ORCID: https://orcid.org/0000-0001-9478-6427)
- Chynna Levin (ORCID: https://orcid.org/0000-0002-8710-1757)
- Foojan Zeine (ORCID: https://orcid.org/0009-0006-7709-5580)
- Edward J. Modestino (ORCID: https://orcid.org/0000-0001-7611-5144)
- Eliot L. Gardner (ORCID: https://orcid.org/0000-0003-1541-3249)
- Colin Hanna
- Alireza Sharafshah (ORCID: https://orcid.org/0000-0001-8048-9587)
- David Baron (ORCID: https://orcid.org/0000-0001-7670-2613)
- Jag Khalsa (ORCID: https://orcid.org/0000-0002-6534-3616)
- Morgan P. Lorio (ORCID: https://orcid.org/0000-0003-1623-2095)
- Anand Swaroop (ORCID: https://orcid.org/0000-0002-1975-1141)
- Daniel Sipple
- Nicole Jafari (ORCID: https://orcid.org/0000-0001-7762-9673)
- Rene Cortese (ORCID: https://orcid.org/0000-0001-9262-7828)
- Abdalla Bowirrat (ORCID: https://orcid.org/0000-0001-8185-0688)
- Igor Elman (ORCID: https://orcid.org/0000-0002-1345-2677)
- Mark S. Gold (ORCID: https://orcid.org/0000-0001-7138-8047)
- Albert Pinhasov (ORCID: https://orcid.org/0000-0001-8116-4565)
- Keerthy Sunder
- Kai‐Uwe Lewandrowski (ORCID: https://orcid.org/0000-0001-7842-2914)
- Milan Makale (ORCID: https://orcid.org/0000-0001-5414-0517)
- Catherine A. Dennen
- Kavya Mohankumar
- Panayotis K. Thanos (ORCID: https://orcid.org/0000-0001-9784-731X)
- Margaret Madigan
- Shaurya Mahajan (ORCID: https://orcid.org/0009-0005-3984-2891)
- Rajendra D Badgaiyan
- Kenneth Blum
- Sérgio Luís Schimidt
- Joseph J. Morgan
- Yatharth Mahajan
- Alexander P. L. Lewandrowski
- Marco Lindenau
- Fuehrlein Brian
- Gianni Matare
Institutions
- University of Southern California (US)
- University of Maryland, Baltimore (US)
- Fairview Health Services (US)
- St. John's University (US)
- Johns Hopkins University (US)
- Guilan University of Medical Sciences (IR)
- Thomas Jefferson University Hospital (US)
- Johns Hopkins Medicine (US)
- Yale University (US)
- University of California San Diego (US)
- Northeast Health (US)
- University of Minnesota Medical Center (US)
- Curry College (US)
- Ariel University (IL)
- Sapienza University of Rome (IT)
- Stanford University (US)
Publication Details
- Journal
- Journal of Addiction Psychiatry
- Published
- 2025-08-29
- DOI
- https://doi.org/10.17756/jap.2025-050
- Primary Topic
- Neurotransmitter Receptor Influence on Behavior
- Type
- article
- Field-Weighted Citation Impact
- 0.00