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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 Regulation01:46

Epigenetic Regulation

Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
Epigenetic Regulation01:37

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.
Genomic Imprinting and Inheritance02:30

Genomic Imprinting and Inheritance

Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
Behavioral Genetics and Its Designs01:23

Behavioral Genetics and Its Designs

Behavior genetics explores how genetic inheritance influences human behavior. It focuses on how genes, passed from parents to offspring, contribute to the development of behavioral traits and tendencies. This branch of genetics seeks to understand the complex interplay between inherited genetic factors and environmental influences in shaping our behaviors.
The primary methodologies used in behavior genetics include family studies, twin studies, and adoption studies, each providing unique...

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Optimized Analysis of DNA Methylation and Gene Expression from Small, Anatomically-defined Areas of the Brain
13:11

Optimized Analysis of DNA Methylation and Gene Expression from Small, Anatomically-defined Areas of the Brain

Published on: July 12, 2012

Epigenetics and psychiatry.

Melissa Mahgoub1, Lisa M Monteggia

  • 1Department of Neuroscience, University of Texas Southwestern Medical Center, 5323 Harry Hines Boulevard, Dallas, TX, 75390-9111, USA.

Neurotherapeutics : the Journal of the American Society for Experimental Neurotherapeutics
|October 5, 2013
PubMed
Summary
This summary is machine-generated.

Epigenetic modifications like DNA methylation and histone acetylation are increasingly linked to psychiatric disorders such as depression, addiction, and schizophrenia. These gene regulation changes may offer new therapeutic targets for complex mental illnesses.

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Area of Science:

  • Neuroscience
  • Genetics
  • Psychiatry

Background:

  • Psychiatric disorders like depression, addiction, and schizophrenia have complex, multifactorial origins.
  • The traditional one gene-one disease model is insufficient to explain these conditions.
  • Gene regulation, rather than single gene mutations, is increasingly recognized as critical.

Purpose of the Study:

  • To review the latest research on the role of epigenetics in psychiatric disorders.
  • To explore the involvement of epigenetic mechanisms in depression, addiction, and schizophrenia.
  • To discuss the potential of epigenetic modifications as therapeutic targets.

Main Methods:

  • Review of current scientific literature on epigenetics and psychiatric disorders.
  • Analysis of studies investigating histone acetylation, deacetylation, and DNA methylation.
  • Synthesis of findings related to behavioral and neuronal changes.

Main Results:

  • Epigenetic modifications, including histone acetylation and DNA methylation, are implicated in the pathophysiology of major psychiatric disorders.
  • These epigenetic changes can lead to stable alterations in gene expression, influencing neuronal function and behavior.
  • Evidence suggests a significant role for epigenetics in the development and progression of depression, addiction, and schizophrenia.

Conclusions:

  • Epigenetics plays a crucial role in the complex etiology of psychiatric disorders.
  • Understanding epigenetic mechanisms offers potential for novel diagnostic and therapeutic strategies.
  • Targeting epigenetic modifications may provide new avenues for treating depression, addiction, and schizophrenia.