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FIGURE 3 from Kinase Inhibitor Pulldown Assay Identifies a Chemotherapy Response Signature in Triple-negative Breast Cancer Based on Purine-binding Proteins

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posted on 2023-08-15, 14:20 authored by Junkai Wang, Alexander B. Saltzman, Eric J. Jaehnig, Jonathan T. Lei, Anna Malovannaya, Matthew V. Holt, Meggie N. Young, Mothaffar F. Rimawi, Foluso O. Ademuyiwa, Meenakshi Anurag, Beom-Jun Kim, Matthew J. Ellis

GSEA of the PBP signature-correlated genes. A, Bar plot shows the enriched Hallmark gene sets (FDR < 0.05) from GSEA of the KIPA-based PBP signature score-correlated genes at the protein levels. GSEA input was a ranked list of signed −log10P-values from Pearson correlation between the KIPA-based PBP signature score and all the genes measured by the global proteomics in the CPTAC-TNBC dataset. Pathways with positive NES (normalized enrichment score) were positively correlated with the KIPA-based PBP signature score, while pathways with negative NES were negatively correlated. B, Enrichment plots for INTERFERON_GAMMA_RESPONSE Hallmark pathway at the protein levels. C, Bar plot shows the enriched Hallmark gene sets (FDR < 0.05) from GSEA of the KIPA-based PBP signature score-correlated genes at the mRNA levels. GSEA input was a ranked list of signed −log10P-values from Pearson correlation between the KIPA-based PBP signature score and all the genes measured by the RNA-seq. D, Enrichment plots for INTERFERON_GAMMA_RESPONSE Hallmark pathway at the mRNA levels.

Funding

HHS | NIH | National Cancer Institute (NCI)

Cancer Prevention and Research Institute of Texas (CPRIT)

History

ARTICLE ABSTRACT

The identification of pretreatment predictive biomarkers for pCR in response to neoadjuvant chemotherapy would advance precision treatment for TNBC. To complement standard proteogenomic discovery profiling, a KIPA was deployed and unexpectedly identified a seven-member non-kinase PBP pCR-associated signature. Individual members served diverse pathways including IFN gamma response, nuclear import of DNA repair proteins, and cell death.