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- W4361954324 abstract "<div>Abstract<p>Glioblastoma is an aggressive cancer of the brain and spine. While analysis of glioblastoma ‘omics data has somewhat improved our understanding of the disease, it has not led to direct improvement in patient survival. Cancer survival is often characterized by differences in gene expression, but the mechanisms that drive these differences are generally unknown. We therefore set out to model the regulatory mechanisms associated with glioblastoma survival. We inferred individual patient gene regulatory networks using data from two different expression platforms from The Cancer Genome Atlas. We performed comparative network analysis between patients with long- and short-term survival. Seven pathways were identified as associated with survival, all of them involved in immune signaling; differential regulation of PD1 signaling was validated to correspond with outcome in an independent dataset from the German Glioma Network. In this pathway, transcriptional repression of genes for which treatment options are available was lost in short-term survivors; this was independent of mutational burden and only weakly associated with T-cell infiltration. Collectively, these results provide a new way to stratify patients with glioblastoma that uses network features as biomarkers to predict survival. They also identify new potential therapeutic interventions, underscoring the value of analyzing gene regulatory networks in individual patients with cancer.</p>Significance:<p>Genome-wide network modeling of individual glioblastomas identifies dysregulation of PD1 signaling in patients with poor prognosis, indicating this approach can be used to understand how gene regulation influences cancer progression.</p></div>" @default.
- W4361954324 created "2023-04-05" @default.
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- W4361954324 date "2023-04-01" @default.
- W4361954324 modified "2023-09-25" @default.
- W4361954324 title "Data from Regulatory Network of PD1 Signaling Is Associated with Prognosis in Glioblastoma Multiforme" @default.
- W4361954324 doi "https://doi.org/10.1158/0008-5472.c.6533051.v1" @default.
- W4361954324 hasPublicationYear "2023" @default.
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