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Related Experiment Videos

MicroRNAs and genomic instability.

Konrad Huppi1, Natalia Volfovsky, Mark Mackiewicz

  • 1Gene Silencing Section, Genetics Branch, Center for Cancer Research, National Cancer Institute, National Institutes of Health, Bethesda, MD 20892, USA. huppi@helix.nih.gov

Seminars in Cancer Biology
|November 23, 2006
PubMed
Summary
This summary is machine-generated.

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MicroRNAs (miRNAs) may regulate gene expression and are linked to genomic instability. This review explores altered miRNA expression in human cancer and analyzes miRNA locations in mice concerning genetic alterations.

Area of Science:

  • Genomics
  • Molecular Biology
  • Cancer Research

Background:

  • MicroRNAs (miRNAs) are non-coding RNAs regulating gene expression, potentially affecting up to half of all genes.
  • Genomic instability, or fragile sites, are regions prone to DNA breakage.
  • A potential association between miRNA locations and genomic instability in humans has been proposed.

Purpose of the Study:

  • To review the role of altered miRNA expression in human cancer.
  • To analyze the correlation between the physical location of murine miRNAs and genetic alteration sites in mouse cancer models.

Main Methods:

  • Literature review on miRNA expression and human cancer.
  • Bioinformatic analysis correlating murine miRNA genomic locations with known sites of genetic alteration in mouse cancer models.

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Main Results:

  • Discusses the potential involvement of miRNAs in cancer development and progression.
  • Presents an analysis linking miRNA genomic positions to genetic alterations in mouse models.

Conclusions:

  • Altered miRNA expression is implicated in human cancer.
  • Genomic location of miRNAs may be relevant to their role in cancer, particularly in relation to genomic instability.