Targeting CDK2 for cancer therapy

Erik S Knudsen1, Agnieszka K Witkiewicz2, Ioannis Sanidas3

  • 1Department of Molecular and Cellular Biology, Roswell Park Comprehensive Cancer Center, Buffalo, NY 14203, USA.

Cell Reports
|August 13, 2025
PubMed

Insights

Targeting cyclin-dependent kinases 2 (CDK2) offers a complex but promising cancer therapy strategy. Tumor genetics and biomarkers like cyclin E guide CDK2 inhibitor effectiveness and combination therapies.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • Cyclin-dependent kinases (CDKs) are key regulators of the cell cycle and significant therapeutic targets in oncology.
  • Targeting CDK2 presents unique challenges and opportunities compared to CDK4/6 inhibitors due to its distinct mechanisms of action.

Purpose of the Study:

  • To explore the complexities of targeting CDK2 for cancer therapy.
  • To review the role of biomarkers in predicting response to CDK2 inhibitors.
  • To assess the potential of combining CDK2 inhibitors with other drug classes.

Main Methods:

  • Review of recent studies on CDK2 inhibitors in cancer therapy.
  • Analysis of effector pathways modulated by CDK2 inhibition.
  • Examination of genetic and epigenetic factors influencing treatment response.
  • Evaluation of biomarker data (e.g., cyclin E, p16INK4A) for CDK2 inhibitor efficacy.

Main Results:

  • CDK2 inhibitors impact multiple cell-cycle phases and effector pathways.
  • Tumor genetic and epigenetic profiles determine response to CDK2 inhibitors.
  • Biomarkers such as cyclin E and p16INK4A are crucial for guiding treatment.
  • CDK2 inhibitors show potential for effective combination therapies across various tumor types.

Conclusions:

  • CDK2 inhibition is a complex but viable therapeutic strategy in oncology.
  • Biomarker-driven approaches are essential for optimizing CDK2 inhibitor use.
  • Further research is required to address limitations and toxicities of current and developing CDK2 inhibitors.

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