Recent Advances in Therapeutic Application of DNA Damage Response Inhibitors against Cancer

Stina George Fernandes1, Prachi Shah1, Ekta Khattar1

  • 1Sunandan Divatia School of Science, SVKM's NMIMS (Deemed to be) University, Mumbai, India.

Insights

The DNA Damage Response (DDR) pathway maintains genomic integrity. Inhibiting DDR pathways in cancer cells, which rely on them, offers a targeted therapy strategy.

Area of Science:

  • Molecular Biology
  • Genetics
  • Oncology

Background:

  • DNA integrity is crucial for cellular function and is constantly threatened by internal and external factors.
  • The DNA Damage Response (DDR) is a complex network of signaling pathways involving sensors, mediators, and repair proteins that maintain genomic stability.
  • Defects in DDR contribute to genomic instability and are a hallmark of cancer development.

Purpose of the Study:

  • To review the key components of DDR pathways.
  • To elucidate the role of DDR in carcinogenesis.
  • To focus on the development of DDR protein inhibitors for targeted cancer therapy.

Main Methods:

  • Literature review of major DDR pathways.
  • Analysis of DDR protein functions in DNA damage response and repair.
  • Examination of the significance of DDR in cancer development.
  • Overview of inhibitors targeting key DDR proteins.

Main Results:

  • DDR pathways are essential for detecting and repairing DNA damage.
  • Dysfunctional DDR is implicated in the accumulation of genetic mutations and cancer.
  • Cancer cells exhibit dependencies on specific DDR pathways, making them vulnerable to DDR inhibitors.
  • Structural understanding of DDR proteins has enabled the development of targeted inhibitors.

Conclusions:

  • Targeted inhibition of DDR pathways represents a promising strategy for cancer treatment.
  • Understanding DDR mechanisms is critical for developing effective cancer therapies.
  • DDR inhibitors exploit cancer cell-specific vulnerabilities to achieve therapeutic effects.

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