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Related Concept Videos

Epigenetic Regulation01:37

Epigenetic Regulation

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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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Epigenetic Regulation01:46

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Epigenetic mechanisms play an essential role in healthy development. Conversely, precisely regulated epigenetic mechanisms are disrupted in diseases like cancer.
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Abnormal Proliferation02:23

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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...
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Genomic Imprinting and Inheritance02:30

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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.
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Related Experiment Video

Updated: Mar 14, 2026

LINE-1 Methylation Analysis in Mesenchymal Stem Cells Treated with Osteosarcoma-Derived Extracellular Vesicles
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Aberrant DNA methylations in chondrosarcoma.

Pei Liu1,2, Jacson K Shen1, Jianzhong Xu2

  • 1Sarcoma Biology Laboratory, Department of Orthopaedic Surgery, Massachusetts General Hospital & Harvard Medical School, 55 Fruit Street, Jackson 1115, Boston, MA 02114, USA.

Epigenomics
|October 1, 2016
PubMed
Summary
This summary is machine-generated.

Chondrosarcoma (CS) is a bone cancer resistant to standard treatments. Aberrant DNA methylation patterns in CS may offer new diagnostic biomarkers and therapeutic strategies.

Keywords:
5-aza-2′-deoxycytidine5-azacytidineDNA methylationchondrosarcomaepigenetics

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Area of Science:

  • Oncology
  • Epigenetics
  • Molecular Biology

Background:

  • Chondrosarcoma (CS) is the second most common primary malignant bone tumor.
  • CS exhibits resistance to conventional chemotherapy and radiotherapy, leading to poor patient outcomes.
  • The etiology and pathogenesis of CS remain largely unknown, necessitating alternative therapeutic approaches.

Purpose of the Study:

  • To review the role of DNA methylation alterations in chondrosarcoma (CS) development.
  • To summarize evidence on aberrant DNA methylation patterns as diagnostic biomarkers.
  • To explore DNA methylation as a predictor of CS progression and a target for novel treatment strategies.

Main Methods:

  • Critical literature review.
  • Analysis of studies investigating DNA methylation patterns in chondrosarcoma.
  • Synthesis of evidence on diagnostic, prognostic, and therapeutic implications of DNA methylation.

Main Results:

  • Aberrant DNA methylation is implicated in the initiation and progression of chondrosarcoma.
  • Specific DNA methylation patterns show potential as diagnostic biomarkers for CS.
  • Altered DNA methylation may serve as predictors of disease progression and targets for novel therapies.

Conclusions:

  • DNA methylation alterations are crucial in chondrosarcoma pathogenesis.
  • Understanding these epigenetic changes can lead to improved diagnostic and prognostic tools.
  • Targeting DNA methylation pathways presents a promising avenue for developing new chondrosarcoma treatments.