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Transgenerational epigenetic effects on brain functions.

Johannes Bohacek¹, Katharina Gapp, Bechara J Saab

¹Brain Research Institute, University of Zurich/Swiss Federal Institute of Technology, Zurich, Switzerland.

Biological Psychiatry

|October 16, 2012

Summary

This summary is machine-generated.

Epigenetic mechanisms may explain how environmental factors influence psychiatric disease heritability across generations. This review explores transgenerational epigenetic inheritance in mammals and its relevance to brain function.

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Area of Science:

Neuroscience
Genetics
Epigenetics

Background:

Psychiatric diseases have complex causes with significant heritable components.
Genetic factors alone do not fully explain the heritability of these conditions.
Epigenetic processes, particularly in germ cells, are increasingly recognized as potential contributors to disease risk and heritability.

Purpose of the Study:

To review epigenetic mechanisms in complex diseases.
To summarize evidence of transgenerational epigenetic inheritance in mammals.
To discuss the relevance of these mechanisms for brain function and disease risk.

Main Methods:

Literature review of epigenetic mechanisms.
Examination of transgenerational epigenetic inheritance studies in mammals.
Analysis of environmental factors and their epigenetic underpinnings.

Main Results:

Epigenetic processes offer a potential explanation for the heritability of psychiatric disorders.
Transgenerational epigenetic inheritance has been observed in mammals, impacting molecular processes and behavior.
Environmental factors can induce epigenetic changes with potential effects on offspring.

Conclusions:

Epigenetic inheritance may play a crucial role in the etiology and heritability of psychiatric diseases.
Understanding these mechanisms is vital for addressing complex brain disorders.
Further research is needed to elucidate the routes and challenges of transgenerational epigenetic transmission.