Related Experiment Video
Updated: Nov 10, 2025

21:24
Methylated DNA Immunoprecipitation
Published on: January 2, 2009
23.7K
Switching off Cancer: Is There a Role for Epigenetics?
1School of Biomedical Sciences and Pharmacy, College of Health, Medicine and Wellbeing, University of Newcastle, Callaghan, NSW 2308, Australia.
Cancers
|April 3, 2021
Summary
Epigenetics explores heritable gene expression changes without altering DNA sequence. Key mechanisms include DNA methylation and histone modifications, impacting gene activity.
Area of Science:
- Molecular Biology
- Genetics
- Biochemistry
Background:
- Epigenetics investigates modifications like DNA methylation and histone alterations that regulate gene expression.
- These epigenetic marks do not change the underlying DNA sequence but influence cellular function and heredity.
Discussion:
- The study of epigenetics is crucial for understanding development, disease, and aging.
- Mechanisms such as microRNA (miRNA) and long non-coding RNA (lncRNA) expression also play significant roles in epigenetic regulation.
Key Insights:
- Epigenetic modifications are dynamic and reversible.
- Understanding these changes is vital for developing targeted therapies for various diseases.
Outlook:
- Future research in epigenetics holds promise for personalized medicine and novel therapeutic strategies.
- Continued exploration of epigenetic landscapes will deepen our comprehension of biological complexity.
More Related Videos
Related Concept Videos
Epigenetic Regulation
3.3K
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...
3.3K
Epigenetic Regulation
31.9K
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
31.9K
Loss of Tumor Suppressor Gene Functions
5.4K
Tumor suppressor genes are normal genes that can slow down cell division, repair DNA mistakes, or program the cells for apoptosis in case of irreparable damage. Hence, they play an essential role in preventing the proliferation of damaged cells.
When the tumor suppressor genes develop mutations or are lost, cells start growing out of control, leading to cancer. However, a single functional copy of the tumor suppressor gene is enough for the cells to maintain their normal functions and cell...
When the tumor suppressor genes develop mutations or are lost, cells start growing out of control, leading to cancer. However, a single functional copy of the tumor suppressor gene is enough for the cells to maintain their normal functions and cell...
5.4K
Cancer-Critical Genes II: Tumor Suppressor Genes
8.5K
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
8.5K
Adaptive Mechanisms in Cancer Cells
6.1K
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,...
6.1K
Cancer-Critical Genes I: Proto-oncogenes
9.7K
Genes usually encode proteins necessary for the proper functioning of a healthy cell. Mutations can often cause changes to the gene expression pattern, thereby altering the phenotype.
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
When the function of certain critical genes, especially those involved in cell cycle regulation and cell growth signaling cascades, gets disrupted, it upsets the cell cycle progression. Such cells with unchecked cell cycles start proliferating uncontrollably and eventually develop into tumors.
Such genes that act...
9.7K

