Is DNA repair a potential target for effective therapies against malignant mesothelioma?

Ilaria Fuso Nerini1, Elisa Roca2, Laura Mannarino1

  • 1Department of Oncology, Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy.

Cancer Treatment Reviews
|September 6, 2020
PubMed

Insights

Malignant pleural mesothelioma (MPM) is linked to asbestos exposure and DNA repair defects. Targeting these DNA repair deficiencies offers potential new therapies for this rare cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Malignant pleural mesothelioma (MPM) is a rare cancer.
  • Asbestos exposure is the primary cause of MPM.
  • DNA repair pathway mutations are common in MPM.

Purpose of the Study:

  • To review experimental data on DNA repair in MPM.
  • To explore the role of impaired DNA repair in MPM pathogenesis.
  • To identify therapeutic strategies targeting DNA repair defects in MPM.

Main Methods:

  • Literature review of experimental data.
  • Analysis of genetic mutations in DNA repair pathways.
  • Pathogenesis investigation of DNA repair deficiencies.

Main Results:

  • Frequent germinal and acquired mutations in DNA repair genes, especially homologous recombination repair, are observed in MPM.
  • Impaired DNA repair leads to unresolved genomic lesions, contributing to MPM development.
  • DNA repair defects represent a key vulnerability in MPM.

Conclusions:

  • DNA repair deficiencies are central to MPM pathogenesis.
  • Leveraging these deficiencies presents a promising therapeutic avenue for MPM patients.
  • There is an urgent need for novel and effective MPM therapies.

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