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Exploiting DNA Replication Stress as a Therapeutic Strategy for Breast Cancer

Jing Zhang1, Doug W Chan1, Shiaw-Yih Lin1

  • 1Department of Systems Biology, The University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA.

Biomedicines
|November 11, 2022
PubMed

Insights

Targeting replication stress (RS) offers a promising therapeutic strategy for breast cancer. Developing effective RS-targeting drugs and identifying biomarkers are crucial for improving patient outcomes.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Cancer cells, including breast cancer, have heightened replication stress (RS) due to oncogenic signaling and DNA repair defects.
  • This inherent vulnerability presents a therapeutic target for novel breast cancer treatments.
  • Current drug candidates targeting RS show promise in early trials.

Purpose of the Study:

  • To review the concept and current therapies for targeting replication stress in breast cancer.
  • To explore the integration of replication stress targeting with immunotherapy.
  • To discuss potential biomarkers for optimizing these therapies.

Main Methods:

  • Literature review of preclinical and clinical studies on replication stress targeting in breast cancer.
  • Analysis of current therapeutic strategies and their challenges.
  • Exploration of biomarker development for patient selection and treatment optimization.

Main Results:

  • Replication stress (RS) targeting is a viable strategy for breast cancer therapy.
  • Combining RS-targeting agents with immunotherapies may enhance treatment efficacy.
  • Biomarkers are needed to personalize treatment and manage toxicity.

Conclusions:

  • Targeting replication stress (RS) is a promising avenue for breast cancer treatment.
  • Further research into RS-targeting drugs, combination therapies, and biomarkers is essential.
  • Optimizing RS-targeting therapies could significantly benefit breast cancer patients.
Keywords:
DNA replicationbreast cancerchemotherapyreplication stressreplication stress response

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