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Epigenetics and cancer.

Mukesh Verma¹, Padma Maruvada, Sudhir Srivastava

¹Cancer Biomarkers Research Group, Division of Cancer Prevention, National Cancer Institute, Bethesda, MD 20892-7324, USA. vermam@mail.nih.gov

Critical Reviews in Clinical Laboratory Sciences

|December 18, 2004

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Epigenetic modifications, unlike genetic changes, offer reversible pathways for cancer treatment and early detection. A combination of epigenetic biomarkers shows promise for improved cancer diagnostics and therapeutics.

Area of Science:

Oncology
Molecular Biology
Genetics

Background:

Gene expression in cancer is regulated by both genetics and epigenetics.
Genetic regulation involves DNA sequence changes, while epigenetic regulation affects chromatin structure and DNA methylation.
Epigenetic alterations are common during cancer initiation, development, and progression.

Purpose of the Study:

To explore the role of epigenetic changes in cancer.
To highlight the potential of epigenetic biomarkers for early cancer detection and treatment monitoring.
To discuss the therapeutic implications of reversing epigenetic alterations in cancer.

Main Methods:

Review of current literature on genetic and epigenetic regulation in cancer.
Analysis of epigenetic modifications as potential cancer biomarkers.

Related Experiment Videos

Investigation of chemical compounds for reversing epigenetic changes.

Main Results:

Epigenetic changes, including DNA methylation and chromatin alterations, are crucial in cancer development.
A panel of epigenetic biomarkers is more effective than single biomarkers for clinical applications.
Reversal of epigenetic changes through chemical intervention presents a novel therapeutic strategy.

Conclusions:

Epigenetic biomarkers can aid in early cancer detection and treatment monitoring.
Epigenetic modifications are reversible, offering new avenues for cancer prevention and treatment.
A multi-biomarker approach using epigenetic markers is recommended for clinical assays.