Related Experiment Video
Updated: Feb 16, 2026

05:10
Intracranial Orthotopic Allografting of Medulloblastoma Cells in Immunocompromised Mice
Published on: October 3, 2010
12.6K
Epigenetic regulation in medulloblastoma
1Department of Physiology, University of Texas Southwestern Medical Center, Dallas, TX 75390-9040, USA.
Molecular and Cellular Neurosciences
|December 23, 2017
Summary
Epigenetic deregulation, particularly involving chromatin regulators, is a key driver in medulloblastoma, the most common pediatric brain tumor. Understanding these epigenetic changes offers potential new treatment strategies using epigenetic inhibitors.
Area of Science:
- Pediatric oncology
- Neuro-oncology
- Epigenetics and chromatin biology
Background:
- Medulloblastoma is the most frequent malignant brain tumor in children.
- Tumor heterogeneity is recognized, with four main subgroups identified via transcription profiles.
- Advances in genome-wide sequencing have significantly enhanced understanding of medulloblastoma.
Purpose of the Study:
- To review the current knowledge of epigenetic regulation in medulloblastoma.
- To focus on functional studies of chromatin regulators in medulloblastoma initiation and progression.
- To explore the therapeutic potential of epigenetic inhibitors for medulloblastoma treatment.
Main Methods:
- Review of recent literature and functional studies.
- Analysis of genome-wide sequencing data.
- Focus on somatic alterations in chromatin regulator genes across medulloblastoma subgroups.
Main Results:
- High frequencies of somatic alterations in chromatin regulators are observed across all medulloblastoma subgroups.
- Epigenetic deregulation is identified as a major driving force in medulloblastoma development.
- Specific roles of chromatin regulators in the initiation and progression of distinct medulloblastoma subgroups are highlighted.
Conclusions:
- Epigenetic dysregulation is a critical factor in medulloblastoma pathogenesis.
- Targeting chromatin regulators offers a promising avenue for therapeutic intervention.
- Epigenetic inhibitors represent a potential novel treatment strategy for medulloblastoma.
Related Concept Videos
Epigenetic Regulation
3.9K
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...
3.9K
Epigenetic Regulation
33.9K
Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
33.9K
Abnormal Proliferation
5.3K
Under normal conditions, most adult cells remain in a non-proliferative state unless stimulated by internal or external factors to replace lost cells. Abnormal cell proliferation is a condition in which the cell's growth exceeds and is uncoordinated with normal cells. In such situations, cell division persists in the same excessive manner even after cessation of the stimuli, leading to persistent tumors. The tumor arises from the damaged cells that replicate to pass the damage to the...
5.3K
Genomic Imprinting and Inheritance
37.3K
Diploid organisms inherit genetic material through chromosomes from both parents. Copies of the same gene are known as alleles. In most cases, both alleles are simultaneously expressed and allow various cellular processes to function optimally. If one of the alleles is missing or mutated, the expression of the other allele can compensate; however, this is not true for all genes.
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
The expression of some genes depends on which parent passed the gene to the offspring, through a phenomenon known as...
37.3K
Master Transcription Regulators
7.9K
Master transcription regulators are regulatory proteins that are predominantly responsible for regulating the expression of multiple genes. Often these genes work in concert to drive a complex process. Activation of a master transcription regulator can lead to a cascade of transcriptional activation necessary for that outcome. These regulators can directly bind to the regulatory sequences of the various genes involved, or they can indirectly regulate transcription by binding to regulatory...
7.9K
Negative Regulator Molecules
38.6K
Positive regulators allow a cell to advance through cell cycle checkpoints. Negative regulators have an equally important role as they terminate a cell’s progression through the cell cycle—or pause it—until the cell meets specific criteria.
38.6K

