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Epigenetic Regulation

Epigenetic Regulation

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

Epigenetic Regulation

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 Regulation

Epigenetic Regulation

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

Inheritance of Chromatin Structures

Inheritance of Chromatin Structures

Epigenetics is the study of inherited changes in a cell's phenotype without changing the DNA sequences. It provides a form of memory for the differential gene expression pattern to maintain cell lineage, position-effect variegation, dosage compensation, and maintenance of chromatin structures such as telomeres and centromeres. For example, the structure and location of the centromere on chromosomes are epigenetically inherited. Its functionality is not dictated or ensured by the underlying DNA...

The Influence of Cognition on Affect

The Influence of Cognition on Affect

Cognition plays a pivotal role in shaping emotional experiences, as demonstrated by Schachter and Singer’s two-factor theory of emotion. According to this model, emotion arises from a combination of physiological arousal and cognitive interpretation. The body’s physiological response to stimuli is ambiguous and only gains emotional significance through cognitive labeling. For instance, an increased heart rate and adrenaline surge while standing near an attractive person may be interpreted as...

Human Genetics

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...

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Related Experiment Video

Updated: Jun 1, 2026

Quantification of Global Histone Post Translational Modifications Using Intranuclear Flow Cytometry in Isolated Mouse Brain Microglia

Quantification of Global Histone Post Translational Modifications Using Intranuclear Flow Cytometry in Isolated Mouse Brain Microglia

Published on: September 15, 2023

Epigenetic mechanisms in cognition.

Jeremy J Day¹, J David Sweatt

¹Department of Neurobiology and Evelyn F. McKnight Brain Institute, University of Alabama at Birmingham, Birmingham, AL 35294-2182, USA.

|June 11, 2011

Summary

Epigenetic mechanisms stabilize memories in neurons by regulating the "epigenetic code" in the brain. Aberrant epigenetic changes are linked to cognitive disorders, but epigenetic treatments show therapeutic potential.

Area of Science:

Neuroscience
Epigenetics
Cognitive Science

Background:

Epigenetic mechanisms are crucial for development and cell differentiation.
Emerging evidence highlights their role in stabilizing cognitive-behavioral memories in postmitotic neurons.

Purpose of the Study:

To review the evidence for an "epigenetic code" in the central nervous system.
To discuss its role in mediating synaptic plasticity, learning, and memory.
To explore the regulation and functional manifestation of epigenetic changes during memory formation.

Main Methods:

Review of current scientific literature on epigenetics, neuroscience, and memory.
Analysis of studies investigating epigenetic modifications in neuronal plasticity.
Examination of the role of mitogen-activated protein kinases in chromatin signaling.

More Related Videos

Immunohistochemical Detection of 5-Methylcytosine and 5-Hydroxymethylcytosine in Developing and Postmitotic Mouse Retina

Immunohistochemical Detection of 5-Methylcytosine and 5-Hydroxymethylcytosine in Developing and Postmitotic Mouse Retina

Published on: August 29, 2018

Purification of H3 and H4 Histone Proteins and the Quantification of Acetylated Histone Marks in Cells and Brain Tissue

Purification of H3 and H4 Histone Proteins and the Quantification of Acetylated Histone Marks in Cells and Brain Tissue

Published on: November 30, 2018

Related Experiment Videos

Last Updated: Jun 1, 2026

Quantification of Global Histone Post Translational Modifications Using Intranuclear Flow Cytometry in Isolated Mouse Brain Microglia

Quantification of Global Histone Post Translational Modifications Using Intranuclear Flow Cytometry in Isolated Mouse Brain Microglia

Published on: September 15, 2023

Immunohistochemical Detection of 5-Methylcytosine and 5-Hydroxymethylcytosine in Developing and Postmitotic Mouse Retina

Immunohistochemical Detection of 5-Methylcytosine and 5-Hydroxymethylcytosine in Developing and Postmitotic Mouse Retina

Published on: August 29, 2018

Purification of H3 and H4 Histone Proteins and the Quantification of Acetylated Histone Marks in Cells and Brain Tissue

Purification of H3 and H4 Histone Proteins and the Quantification of Acetylated Histone Marks in Cells and Brain Tissue

Published on: November 30, 2018

Main Results:

An "epigenetic code" exists in the central nervous system, influencing synaptic plasticity, learning, and memory.
Specific epigenetic changes are regulated and interact during memory formation, affecting cellular and circuit functions.
Mitogen-activated protein kinases play a key role in controlling chromatin signaling for plasticity and memory.

Conclusions:

Epigenetic modifications are vital for memory consolidation and stabilization in neurons.
Aberrant epigenetic changes are implicated in cognitive disorders affecting learning and memory.
Epigenetic treatments offer potential therapeutic strategies for ameliorating cognitive impairments.