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Splicing in oncogenesis and tumor suppression

Daisuke Kaida1, Tilman Schneider-Poetsch, Minoru Yoshida

  • 1Frontier Research Core for Life Sciences, University of Toyama, Japan.

Cancer Science
|June 14, 2012
PubMed

Insights

Aberrant messenger RNA (mRNA) splicing is implicated in cancer development. Small molecules targeting splicing offer a promising avenue for novel cancer therapies.

Area of Science:

  • Molecular Biology
  • Cancer Biology
  • RNA Biology

Background:

  • Post-transcriptional modifications, including 5' capping, 3' polyadenylation, and splicing, are crucial for gene expression regulation and transcriptome stability.
  • Dysregulation of these RNA processing events, particularly splicing, is frequently observed in cancer cells and contributes to disease pathogenesis.

Purpose of the Study:

  • To review the mechanisms by which alterations in RNA splicing regulatory elements or mutations in splicing factors lead to altered expression of oncogenes and tumor suppressors.
  • To explore the potential of small molecules that modulate splicing activity as a therapeutic strategy for cancer treatment.

Main Methods:

  • Review of existing literature on RNA splicing, cancer, and small molecule therapeutics.
  • Analysis of how changes in splicing impact oncogene and tumor suppressor expression.
  • Examination of the anticancer activity of small molecules targeting spliceosomal components and splicing regulators.

Main Results:

  • Alterations in RNA splicing regulatory elements or mutations in splicing factors can pathologically affect the expression of key cancer-related genes.
  • Several small molecules have demonstrated the ability to inhibit or modulate splicing activity by interacting with spliceosomal components and splicing regulators.

Conclusions:

  • Aberrant mRNA splicing is a significant factor in cancer development.
  • Small molecule modulators of splicing exhibit anticancer activity and represent a promising area for next-generation cancer therapeutics.

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