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September 25, 2025Cancer Immunology Research

Abstract B007: Tissue-Specific B Cell Differentiation Limits Anti-Tumor Efficacy of Radiation and Immunotherapy

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Authors

MCMaud CharpentierDSDavid E. SprottSDSandra Demaria

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Overview

Observational analysis reveals that local B cell responses limit anti-tumor immunity in triple-negative breast cancer, highlighting the need for targeted therapies.

Key Points

  • Anti-tumor efficacy was limited by organ-specific B cell responses, particularly in the lung.
  • CD40a therapy altered B cell profiles, enhancing regulatory B cell infiltration in lung tissue.
  • Multiparametric flow cytometry enabled the analysis of B cell responses across different tumor environments.
  • Findings suggest that tailoring therapies to address local B cell dynamics may improve immunotherapy outcomes.

Cite This Study

Charpentier et al. (2025) studied this question.

synapsesocial.com/papers/68d5dabfddad3c16d4636fbchttps://doi.org/10.1158/2326-6074.cimm25-b007
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