What question did this study set out to answer?

This research aims to characterize estrogen receptor signaling alterations in breast cancer with BRCA2 mutations.

April 27, 2026Cancer Reports0 citationsOpen Access

Altered Estrogen Receptor Signaling Pathway in BRCA2 ‐Deficient Estrogen Receptor‐Positive/ HER2 ‐Negative Breast Cancer

KKKaori KawasakiOsaka Gakuin University MMMisato MasuyamaOsaka Gakuin University MSMasafumi ShimodaOsaka Gakuin University

Key Points

This research aims to characterize estrogen receptor signaling alterations in breast cancer with BRCA2 mutations.
Detailed characterization of estrogen receptor signaling pathway alterations
Focus on ER-positive/HER2-negative breast cancer
Analysis of germline BRCA2 pathogenic variant (PV) impact
Identified significant alterations in ER signaling due to BRCA2 PVs
Provided insights for developing targeted therapeutic strategies
Highlighted differences in treatment responses for this specific patient population

Abstract

This study presents the first detailed characterization of ER signaling alterations in ER-positive/HER2-negative breast cancers with germline BRCA2 PVs, offering insights for the development of targeted therapeutic strategies for this patient population.

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