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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...

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Related Experiment Video

Updated: Jun 29, 2026

Quantitative Immunohistochemistry of the Cellular Microenvironment in Patient Glioblastoma Resections

Quantitative Immunohistochemistry of the Cellular Microenvironment in Patient Glioblastoma Resections

Published on: July 31, 2017

Epigenetic changes in gliomas.

Rebecca Burgess¹, Robert Jenkins, Zhiguo Zhang

¹Department of Biochemistry and Molecular Biology, Mayo Clinic College of Medicine, Rochester, Minnesota 55905, USA.

Cancer Biology & Therapy

|October 7, 2008

Summary

This summary is machine-generated.

Epigenetics, including histone modifications, DNA methylation, and microRNAs (miRNAs), regulate gene expression. This review explores epigenetic changes in glioblastomas and their potential for diagnosis and treatment.

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Area of Science:

Molecular Biology
Genetics
Oncology

Background:

Epigenetics involves gene expression changes without altering DNA sequence.
Histone modifications, DNA methylation, and microRNAs (miRNAs) are key epigenetic regulators.
These epigenetic marks play crucial roles in cellular processes and gene regulation.

Purpose of the Study:

To review classical epigenetic mechanisms: histone modifications, DNA methylation, and miRNAs.
To highlight epigenetic alterations specifically in glioblastomas.
To discuss the diagnostic, prognostic, and therapeutic potential of epigenetics in glioma treatment.

Main Methods:

Literature review of epigenetic mechanisms.
Analysis of epigenetic changes in glioblastoma.
Exploration of current and future therapeutic strategies targeting epigenetic modifications.

Main Results:

Epigenetic mechanisms like histone modifications, DNA methylation, and miRNAs are fundamental to gene expression.
Significant epigenetic dysregulation is observed in glioblastomas.
Epigenetic markers show promise for improving glioma diagnosis and prognosis.

Conclusions:

Epigenetic modifications are critical in glioblastoma development and progression.
Targeting epigenetic alterations offers a promising avenue for novel glioma therapies.
Further research into epigenetic mechanisms could lead to improved patient outcomes for this deadly disease.