New research indicates a common origin for various psychological conditions
Groundbreaking Study Reveals Common Genetic Basis Among Major Psychiatric Disorders
A new study published in the renowned journal Cell has uncovered shared genetic roots among eight major psychiatric disorders, including autism, ADHD, schizophrenia, and depression. This findings could fundamentally alter the way mental health conditions are treated and understood.
For years, psychiatrists have observed the frequent co-occurrence of these psychiatric disorders, treating them as separate entities with different medications and therapies. However, the research suggests that these seemingly distinct disorders may in fact stem from the same origins.
"These shared genes don't just contribute to multiple conditions; they operate like master regulators that influence brain development at various stages and across numerous cell types," explains lead researcher Dr. Hyejung Won, a geneticist at the University of North Carolina.
The study, conducted by an international research team, identifies 683 specific genetic variants that affect gene regulation in developing brain cells. These shared genes were found to be vastly different from those linked to just one condition, operating more like central hubs that control entire networks of proteins and cellular processes.
One key implication of these findings is that they challenge the traditional understanding and classification of psychiatric disorders. Rather than viewing each condition as separate, this research suggests they exist on a spectrum with overlapping biological causes–similar to how different types of cancer can share common cellular mechanisms despite affecting distinct organs.
This newly discovered shared genetic basis may lead to revolutionary treatments that address multiple psychiatric disorders with a single approach. Several promising strategies are already being explored, including network-based drug discovery, gene therapy, developmental timing interventions, and personalized medicine.
The implications of this breakthrough are not limited to the scientific community. For families affected by psychiatric conditions, this research offers renewed hope. As Dr. Won acknowledges, "We may be able to develop treatments targeting these shared genetic factors, which could then help treat multiple psychiatric disorders with a common therapy."
For instance, Sarah Johnston, whose 14-year-old son has both autism and ADHD, finds the research encouraging. "If there might someday be treatments that address the shared cause rather than just individual symptoms, that would be life-changing," she says.
As research continues, the artificial boundaries between psychiatric conditions may gradually dissolve, replaced by a more nuanced understanding of the brain's development and function. For patients caught in the maze of psychiatric diagnosis and treatment, a more unified biological approach can't come soon enough.
[RELATED RESEARCH:]
- Genetics of Psychiatric Disorders: Researchers at the University of North Carolina and the Psychiatric Genomics Consortium (PGC) have discovered shared genetic associations across eight psychiatric disorders[1].
- Implications of Shared Genetic Architecture: This shared genetic architecture contributes to the complexity and interconnectedness of psychiatric disorders and highlights the importance of personalized medicine and broader treatment targets[2].
- Polygenic Nature of Shared Genetic Risk: The shared genetic architecture is polygenic, which explains the continuum of phenotypic expressions rather than distinct diagnoses[3].
- Potential for Early Intervention and Comorbidity Management: Identifying genetic risk factors early could enable preventive measures or early interventions, potentially reducing the severity or onset of psychiatric conditions, and recognizing shared genetic foundations can help in managing comorbidities, such as cardiometabolic conditions that often accompany psychiatric disorders[4].
[References][1]: Won et al. (2025). Pleiotropic genetic variants in psychiatric disorders orchestrate brain development via extensive protein networks. Cell.[2]: Cross-Disorder Group of the Psychiatric Genomics Consortium (2019). Genomic relationships, novel loci, and pleiotropic mechanisms across eight psychiatric disorders. Cell.[3]: World Health Organization (2024). Mental disorders fact sheet. WHO Global Health Database.[4]: Smoller et al. (2023). Psychiatric genetics and the structure of psychopathology. Nature Reviews Neuroscience.[5]: Insel (2022). Healing: Our Path from Mental Illness to Mental Health. Penguin Random House.
- The study's findings may have significant implications for the health-and-wellness industry, particularly in the field of mental health, as they suggest that the shared genetic basis among major psychiatric disorders could lead to treatments that address multiple conditions at once.
- This research in science, specifically the genetics of mental health disorders, highlights the interconnectedness of psychiatric disorders and underscores the importance of a holistic approach in health-and-wellness, focusing on addressing shared genetic factors rather than individual symptoms.