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A missing link in genotype-directed cancer therapy

René Bernards1

  • 1Division of Molecular Carcinogenesis, Center for Biomedical Genetics and Cancer Genomics Center, The Netherlands Cancer Institute, Plesmanlaan 121, 1066 CX Amsterdam, The Netherlands. r.bernards@nki.nl

Cell
|October 30, 2012
PubMed

Insights

Genotype-directed cancer therapy shows promise, but pathway crosstalk complicates treatment. A comprehensive inventory of cancer cell signaling feedback circuits is needed for effective precision medicine.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Genotype-directed therapies offer targeted cancer treatment potential.
  • Signaling pathway crosstalk frequently complicates genotype-drug response correlations.
  • Precision medicine requires understanding complex cellular signaling networks.

Purpose of the Study:

  • To highlight the challenges in genotype-directed cancer therapy.
  • To emphasize the need for a comprehensive understanding of signaling feedback circuits in cancer cells.
  • To advocate for a coordinated effort in mapping these circuits for improved precision medicine.

Main Methods:

  • Literature review on cancer signaling pathways.
  • Analysis of genotype-drug response studies.
  • Conceptual framework for inventorying signaling feedback circuits.

Main Results:

  • Crosstalk between signaling pathways is a major impediment to genotype-directed therapy.
  • Simple genotype-drug response models are often inadequate due to complex feedback loops.
  • A systematic inventory of signaling circuits is currently lacking.

Conclusions:

  • Developing effective precision cancer medicine necessitates a deep understanding of intricate signaling networks.
  • A coordinated research effort to map cancer cell signaling feedback circuits is crucial.
  • This knowledge will enable more accurate prediction of drug responses and optimized treatment strategies.

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