Related Experiment Video
Updated: Jul 15, 2026
21:24
Methylated DNA Immunoprecipitation
Published on: January 2, 2009
[Epigenetics and cancer]
I Kern1, M F Rossier, P O Chappuis
1Service de pédiatri, HUG, 1211 Genève 14. ilse.kern@hcuge.ch
Revue Medicale Suisse
|April 7, 2007
Summary
Cancer is a genetic and epigenetic disease. Epigenetic modifications, unlike genetic mutations, are reversible and offer potential for new anticancer drugs and diagnostic markers.
Area of Science:
- Oncology
- Molecular Biology
- Genetics
Context:
- Cancer research has historically focused on genetic alterations.
- Recent advancements reveal cancer's dual genetic and epigenetic nature.
- Epigenetic modifications are crucial in cancer initiation and progression.
Purpose:
- To highlight the evolving understanding of carcinogenesis.
- To emphasize the role of epigenetic modifications in cancer.
- To discuss the therapeutic and diagnostic potential of epigenetic alterations.
Summary:
- Carcinogenesis is now understood as a complex process involving both genetic and epigenetic factors.
- Epigenetic changes, such as DNA methylation, influence the expression of genes regulating the cell cycle.
- These modifications are potentially reversible, unlike genetic mutations.
Impact:
- Epigenetic inhibitors are being developed as novel anticancer therapeutics.
- DNA methylation studies show promise for cancer classification, diagnosis, and prognosis.
- This research opens new avenues for personalized cancer treatment and management.
Related Concept Videos
01:37Epigenetic 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...
X-chromosome...
01:46Epigenetic Regulation
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
01:46Epigenetic Regulation
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
02:59Cancer Prevention
Several factors can increase the risk of cancer in an individual. About 50% of cancer cases can be prevented by adopting a healthy lifestyle, regular exercise, eating healthy, and following a modest cancer prevention diet. Epidemiological studies have consistently shown that populations with vegetable and fruit-rich diets have reduced the incidence of cancer. On the other hand, populations who have a diet rich in animal fat, red meat, junk food, or high calories are predisposed to cancer.
Some...
Some...
02:53Adaptive Mechanisms in Cancer Cells
Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
02:53Adaptive Mechanisms in Cancer Cells
Cancer cells accumulate genetic changes at an abnormally rapid rate due to the defects in the DNA repair mechanisms. From an evolutionary perspective, such genetic instability is advantageous for cancer development. Mutant cell lines accumulate a series of beneficial mutations that contribute to their progression into cancer.
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...
Some of the advantages that cancer cells have on normal cells include - enhanced ability to divide without terminally differentiating, induce new blood vessel formation,...