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Related Experiment Videos

Genomic imprinting and cancer.

R L Jirtle1

  • 1Department of Radiation Oncology, Duke University Medical Center, Durham, North Carolina, 27710, USA. jirle@radonc.duke.edu

Experimental Cell Research
|March 30, 1999
PubMed
Summary

Genomic imprinting involves parent-specific gene silencing. Aberrant imprinting can inappropriately activate oncogenes or inactivate tumor suppressor genes, contributing to cancer development.

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Area of Science:

  • Genetics
  • Molecular Biology
  • Cancer Research

Background:

  • Most genes are biallelically expressed, but genomic imprinting results in monoallelic expression based on parental origin.
  • Imprinted genes are crucial for embryonic and behavioral development.
  • Dysregulation of imprinted genes is implicated in various diseases.

Purpose of the Study:

  • To review the evidence linking imprinted genes to carcinogenesis.
  • To explore the dual role of imprinted genes as oncogenes and tumor suppressors in cancer.

Main Methods:

  • Literature review of studies on genomic imprinting and cancer.
  • Analysis of the mechanisms by which imprinted genes contribute to tumor development.

Main Results:

  • Evidence suggests imprinted genes can act as oncogenes when inappropriately activated.
  • Evidence suggests imprinted genes can act as tumor suppressors when inappropriately inactivated.
  • Specific imprinted genes have been identified in various cancers.

Conclusions:

  • Genomic imprinting plays a significant role in cancer development.
  • Understanding imprinted gene function is crucial for cancer research and potential therapeutic strategies.

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