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Figure S5 from Proteogenomic Approaches for the Identification of NF1/Neurofibromin-depleted Estrogen Receptor–positive Breast Cancers for Targeted Treatment

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posted on 2023-07-26, 14:20 authored by Beom-Jun Kim, Ze-Yi Zheng, Jonathan T. Lei, Matthew V. Holt, Anran Chen, Jianheng Peng, Diana Fandino, Purba Singh, Hilda Kennedy, Yongchao Dou, María del Rosario Chica-Parrado, Emmanuel Bikorimana, Dan Ye, Yunguan Wang, Ariella B. Hanker, Nada Mohamed, Susan G. Hilsenbeck, Bora Lim, Jaya Ruth Asirvatham, Arun Sreekumar, Bing Zhang, George Miles, Meenakshi Anurag, Matthew J. Ellis, Eric C. Chang

Figure S5. IHC analysis on NF1 in baseline biopsies from the POL cohort.

Funding

HHS | National Institutes of Health (NIH)

U.S. Department of Defense (DOD)

Cancer Prevention and Research Institute of Texas (CPRIT)

Breast Cancer Research Foundation (BCRF)

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ARTICLE ABSTRACT

A major challenge for targeting the consequence of tumor suppressor disruption is the accurate assessment of protein functional inactivation. NF1 can repress both RAS and ER signaling, and a ComboMATCH trial is underway to treat the patients with binimetinib and fulvestrant. Herein we report a MS-verified NF1 IHC assay that can determine a threshold for NF1 loss to predict treatment response. These approaches may be used to identify and expand the eligible patient population.

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    Cancer Research Communications

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    Keywords

    Precision MedicineCarcinogenesisSignal transductionBreast CancerOncogenes & Tumor SuppressorsTumor suppressor genesBiomarkersPrognostic biomarkers

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