Harnessing DNA Repair Defects to Augment Immune-Based Therapies in Triple-Negative Breast Cancer

Curtis A. Clark, Eddy S. Yang

Research output: Contribution to journalReview articlepeer-review

10 Scopus citations

Abstract

Triple-negative breast cancer (TNBC) has poor prognosis with limited treatment options, with little therapeutic progress made during the past several decades. DNA damage response (DDR) associated therapies, including radiation and inhibitors of DDR, demonstrate potential efficacy against TNBC, especially under the guidance of genomic subtype-directed treatment. The tumor immune microenvironment also contributes greatly to TNBC malignancy and response to conventional and targeted therapies. Immunotherapy represents a developing trend in targeted therapies directed against TNBC and strategies combining immunotherapy and modulators of the DDR pathways are being pursued. There is increasing understanding of the potential interplay between DDR pathways and immune-associated signaling. As such, the question of how we treat TNBC regarding novel immuno-molecular strategies is continually evolving. In this review, we explore the current and upcoming treatment options of TNBC in the context of DNA repair mechanisms and immune-based therapies, with a focus on implications of recent genomic analyses and clinical trial findings.

Original languageEnglish
Article number703802
JournalFrontiers in Oncology
Volume11
DOIs
StatePublished - Sep 24 2021

Bibliographical note

Publisher Copyright:
© Copyright © 2021 Clark and Yang.

Keywords

  • DDR (DNA damage response)
  • DNA repair
  • PARP inhibition (PARPi)
  • PD-1 - PD-L1 axis
  • TNBC
  • breast cancer
  • immunotherapy

ASJC Scopus subject areas

  • Oncology
  • Cancer Research

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