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Looking for Driver Pathways of Acquired Resistance to Targeted Therapy: Drug Resistant Subclone Generation and Sensitivity Restoring by Gene Knock-down
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Immunotherapy resistance: the answers lie ahead - not in front - of us

Miles C Andrews1, Jennifer A Wargo1,2

  • 1Department of Surgical Oncology, The University of Texas MD Anderson Cancer Center, 1400 Pressler Street, Unit Number 1484, Houston, TX 77030 USA.

Journal for Immunotherapy of Cancer
|February 28, 2017
PubMed

Insights

Checkpoint blockade immunotherapy can be hindered by specific mutations that stop anti-PD-1 therapy responses. Understanding these resistance mechanisms is vital for improving cancer treatment outcomes.

Area of Science:

  • Oncology
  • Immunology
  • Genetics

Background:

  • Checkpoint blockade immunotherapy, particularly anti-PD-1 therapy, shows promise in cancer treatment.
  • Investigating mechanisms of innate and adaptive resistance is crucial for enhancing therapeutic efficacy.

Discussion:

  • Zaretsky and colleagues identified specific mutational events that compromise ongoing anti-PD-1 therapy responses.
  • These findings contribute to a broader understanding of acquired resistance to cancer immunotherapies.

Key Insights:

  • Acquired resistance to anti-PD-1 therapy can be driven by specific genetic alterations within tumors.
  • Identifying these resistance mechanisms is critical for predicting patient response and guiding treatment strategies.

Outlook:

  • Further research into both mutational and non-mutational resistance mechanisms is warranted.
  • Longitudinal tumor sampling is highlighted as a critical translational approach for monitoring resistance evolution and optimizing immunotherapy.
Keywords:
Checkpoint blockadeInterferonLongitudinal biopsiesResistanceT cell exclusion

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