Related Experiment Video
Updated: Jan 18, 2026

Mapping Alzheimer's Disease Variants to Their Target Genes Using Computational Analysis of Chromatin Configuration
Published on: January 9, 2020
Shared Genetic Architecture Among Severe Mental Disorders: A System Biology Approach Based on Protein-Protein
Hernan F Guillen-Burgos1,2,3, Valentina Vanegas3, Isabella Gonzalez1,4
1Universidad Simón Bolivar, Center for Clinical and Translational Research, Barranquilla, Colombia.
Major psychiatric disorders share common genetic factors and molecular pathways, including inflammation and synaptic signaling. This transdiagnostic approach may lead to new treatments for conditions like depression and schizophrenia.
Area of Science:
- Neuroscience
- Genetics
- Psychiatry
Background:
- Major psychiatric disorders like depression, bipolar disorder, schizophrenia, and PTSD share overlapping molecular pathways.
- Investigating shared genetic architecture is crucial for understanding these complex conditions.
Purpose of the Study:
- To identify shared genes and analyze their functional implications across four major psychiatric disorders.
- To explore common molecular pathways and biological processes underlying these conditions.
Main Methods:
- Utilized public datasets and the NCBI Gene database to identify disorder-associated genes.
- Performed intersection analyses, protein-protein interaction (PPI) network analysis, and gene set enrichment analysis (GSEA).
Main Results:
- Identified 31 intersected genes common to all four disorders.
- PPI analysis revealed significant network enrichment in inflammation, neurotransmission, and synaptic plasticity pathways.
- Functional enrichment highlighted cytokine signaling, dopaminergic transmission, and synaptic vesicle cycling, with brain region involvement.
Conclusions:
- Severe psychiatric disorders share common genetic underpinnings and biological processes, including inflammation and synaptic signaling.
- Findings support a transdiagnostic perspective for psychiatric conditions.
- This research may inform novel therapeutic strategies for overlapping psychiatric disorders.
Related Concept Videos
Human Genetics
The complex relationship between genetics and psychology is observable through common biological components such...
Biological Causes of Schizophrenia
Genetic Factors in Schizophrenia
The genetic basis of schizophrenia is strongly supported by family and twin...
Genome-wide Association Studies-GWAS
GWAS does not require the identification of the target gene involved in...
Behavioral Genetics and Its Designs
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...
Protein Networks
These interactions can be represented through maps depicting protein-protein interaction networks, represented as nodes and edges. Nodes are circles that are representative of a protein,...
Psychosis: Pathophysiology of Schizophrenia and Other Psychotic Disorders
Researchers have identified genetic factors that increase susceptibility to schizophrenia, underscoring the intricate interplay between genetics and environment in disease development. At the core of schizophrenia's pathophysiology is excessive dopaminergic neurotransmission within...

