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Related Concept Videos

Human Genetics01:28

Human Genetics

Human genetics provides a profound framework for understanding the interplay between genetic predispositions and human psychology. At the heart of this discipline lies the study of how genes influence physical traits, behaviors, and susceptibility to diseases. Each person carries a unique genetic code that subtly or significantly shapes their psychological and behavioral landscape.
The complex relationship between genetics and psychology is observable through common biological components such...
Epigenetic Regulation01:37

Epigenetic Regulation

Epigenetic changes alter the physical structure of the DNA without changing the genetic sequence and often regulate whether genes are turned on or off. This regulation ensures that each cell produces only proteins necessary for its function. For example, proteins that promote bone growth are not produced in muscle cells. Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
X-chromosome...
Epigenetic Regulation01:46

Epigenetic Regulation

Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Epigenetic Regulation01:46

Epigenetic Regulation

Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Depressive Disorders: Etiology01:27

Depressive Disorders: Etiology

Depressive disorders result from a complex interplay of biological, psychological, and sociocultural factors, each contributing uniquely to the development and persistence of the condition. Understanding these factors provides critical insight into the multifaceted nature of depression.
Biological Factors in Depression
Biological predispositions significantly influence the risk of developing depressive disorders. Genetic studies highlight the role of variations in the serotonin transporter...
Bipolar Disorder01:30

Bipolar Disorder

Bipolar disorder is a chronic mental health condition marked by significant mood fluctuations, including episodes of mania and depression. Elevated energy levels, heightened mood or irritability, impulsive behavior, reduced sleep needs, rapid speech, racing thoughts, inflated self-esteem, and distractibility characterize mania. Individuals with bipolar disorder often alternate between depressive and manic states, with periods of emotional stability lasting an average of six months to a year.

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Updated: May 12, 2026

Developing a Rat Model for Bipolar Disorder
04:42

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Published on: May 2, 2025

Epigenetic Modulation of Mood Disorders.

T Archer1, M Oscar-Berman, K Blum

  • 1Department of Psychology, University of Gothenburg, Box 500, SE-40530 Gothenburg, Sweden.

Journal of Genetic Syndromes & Gene Therapy
|April 9, 2013
PubMed
Summary
This summary is machine-generated.

Genetic biomarkers aid in diagnosing and treating mood disorders by identifying genetic risks and predicting treatment responses. Understanding genetic and environmental interactions is key to managing these complex conditions.

Keywords:
BDNFDrug therapyEndophenotypesEpigeneticsGenesGlucocorticoidMood disordersSNPsSerotoninStaging

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Last Updated: May 12, 2026

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Area of Science:

  • Psychiatry and Genetics
  • Neuroscience
  • Pharmacogenomics

Background:

  • Mood disorders encompass a spectrum from anxiety to major depression, influenced by comorbidities, symptom severity, and genetic factors.
  • The etiology of mood disorders is a complex interplay between genetic predispositions and environmental influences.
  • Endophenotypes offer a potential strategy to identify and stage genetic risks within the complexity of these disorders.

Purpose of the Study:

  • To review the role of genetic biomarkers in the clinical diagnosis of mood disorders.
  • To evaluate the utility of genetic biomarkers in identifying risk factors for mood disorders.
  • To assess how genetic biomarkers can guide treatment strategies for mood disorders.

Main Methods:

  • Systematic assessment of studies on the epigenetic basis of mood disorders.
  • Examination of gene-environment interactions in mood disorder pathophysiology.
  • Review of research on genetic markers, including transporter gene expression and neurotrophic factors.

Main Results:

  • Endophenotypes may help detect and stage genetic risks for mood disorders.
  • Genetic strategies can inform drug efficacy, metabolism, and adverse effects, particularly for selective serotonin reuptuptake inhibitors.
  • Key genetic factors include those related to receptor systems, the hypothalamic-pituitary-adrenal axis, neurotrophic signaling, and neuroimmune function.

Conclusions:

  • Genetic biomarkers improve treatment selection, response prediction, and outcome prognosis for mood disorders.
  • Epigenetic regulation of brain signaling (serotonin, HPA axis) and neurotrophic factors are crucial for brain system maintenance.
  • Optimizing clinical practice for mood disorders necessitates understanding genetic and epigenetic influences on brain function.