Impact of Trastuzumab and Pertuzumab on HER2 Localization and the Estrogen Receptor Cistrome in ER+/HER2+ Breast Cancer
Stanley Tam, Shaymaa Bahnassy, Lu Jin, Matthew McCoy, Suman Ranjit, Raneen Rahhal, Alec T. McIntosh, Douglas Kung, Gong Tang, Sandra M. Swain, Rebecca Baab Riggins
This study examines how anti-HER2 therapy affects HER2 localization and ER genomic binding in ER+/HER2+ breast cancer, finding ER redistribution correlates with treatment resistance.
bioRxiv · Sep 10, 2026 · PreprintCancer Biology