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Related Concept Videos

Epigenetic Regulation01:37

Epigenetic 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...
Chromatin Modification in iPS Cells01:32

Chromatin Modification in iPS Cells

Chromatin modification alters gene expression; therefore, scientists can add histone-modifying enzymes, histone variants, and chromatin remodeling complexes to somatic cells to aid reprogramming into pluripotent stem (iPS) cells.
Compact chromatin makes reprogramming difficult. Enzymes, such as histone demethylases and acetyltransferases, are often added during reprogramming to loosen the chromatin, making the DNA more accessible to transcription factors. Molecules that inhibit histone...

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Related Experiment Video

Updated: May 31, 2026

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma
08:07

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma

Published on: April 12, 2019

Epigenetic changes in osteosarcoma.

Juncheng Cui1, Wanchun Wang, Zhihong Li

  • 1Central South University, The Second Xiangya Hospital, Department of Orthopedics, Changsha, Hunan, China. cuijuncheng1911@yahoo.com.cn

Bulletin Du Cancer
|June 29, 2011
PubMed
Summary
This summary is machine-generated.

Epigenetic alterations are key to understanding osteosarcoma (bone cancer) development. This review explores epigenetic changes, offering insights into potential diagnostic and therapeutic strategies for this challenging bone tumor.

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Last Updated: May 31, 2026

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LINE-1 Methylation Analysis in Mesenchymal Stem Cells Treated with Osteosarcoma-Derived Extracellular Vesicles
12:18

LINE-1 Methylation Analysis in Mesenchymal Stem Cells Treated with Osteosarcoma-Derived Extracellular Vesicles

Published on: February 1, 2020

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Osteosarcoma is a common primary bone tumor with poorly understood pathogenesis.
  • Current treatment methods offer an unfavorable prognosis for patients.
  • Epigenetic research is advancing the understanding of osteosarcoma's molecular mechanisms.

Purpose of the Study:

  • To review current literature on epigenetic modifications in osteosarcoma.
  • To discuss the role of epigenetics in osteosarcoma carcinogenesis.
  • To explore potential diagnostic and therapeutic applications of epigenetic findings.

Main Methods:

  • Comprehensive literature search on epigenetics and osteosarcoma.
  • Synthesis of current research on epigenetic changes.
  • Analysis of diagnostic and therapeutic implications.

Main Results:

  • Epigenetic alterations significantly contribute to osteosarcoma development.
  • Specific epigenetic mechanisms are implicated in osteosarcoma carcinogenesis.
  • Epigenetic markers show promise for early diagnosis and targeted therapy.

Conclusions:

  • Epigenetics provides critical insights into osteosarcoma molecular pathology.
  • Targeting epigenetic modifications offers a promising therapeutic avenue.
  • Further research is needed to translate epigenetic findings into clinical practice for osteosarcoma.