Issues
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Castration-resistant prostate cancer (CRPC) is a heterogeneous disease of which castration-resistant neuroendocrine prostate cancer (CRPC-NE) is an aggressive subtype. Early detection of CRPC-NE is critical, but diagnosis is currently dependent upon invasive metastatic biopsies. Distinct epigenetic alterations, including changes to DNA methylation, that can be detected with cell-free DNA (cfDNA) have been associated with CRPC-NE, prompting Franceschini and colleagues to develop NEMO (NEuroendocrine detection and MOnitoring), a noninvasive targeted DNA methylation assay that can detect CRPC-NE using plasma cfDNA. The NEMO assay can quantify tumor content and provides a phenotype evidence score that allows for the capture of a wide range of CRPC phenotypes. Moreover, testing of NEMO in two independent clinical cohorts detected pathology-confirmed CRPC-NE, and application of NEMO also demonstrated meaningful prognostic value as methylation-defined cfDNA tumor content was associated with clinical outcome in two prospective clinical trials. Together, this work supports the application of targeted cfDNA methylation for the noninvasive identification and stratification of patients with CRPC-NE. For more information, see the article by Franceschini and colleagues on page 424. - PDF Icon PDF LinkTable of Contents
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In This Issue
In the Spotlight
Science in Society
Perspective
Research Articles
Integrative Analyses of Tumor and Peripheral Biomarkers in the Treatment of Advanced Renal Cell Carcinoma
Analyses of longitudinal peripheral biomarkers and baseline tumor tissue from JAVELIN Renal 101 provide novel evidence of differential immunomodulatory mechanisms in patients with advanced renal cell carcinoma treated with avelumab plus axitinib versus sunitinib.
Noninvasive Detection of Neuroendocrine Prostate Cancer through Targeted Cell-free DNA Methylation
A cell-free DNA methylation panel was developed that can quantify tumor fraction and identify neuroendocrine prostate cancer noninvasively, which may improve early detection and treatment of this disease.
INX-315, a Selective CDK2 Inhibitor, Induces Cell Cycle Arrest and Senescence in Solid Tumors
The CDK2 inhibitor INX-315 induces cell cycle arrest and therapy-induced senescence, thereby controlling the growth of CCNE1-amplified cancers and CDK4/6 inhibitor-resistant breast cancers, which together supports future clinical development.
Targeting DHX9 Triggers Tumor-Intrinsic Interferon Response and Replication Stress in Small Cell Lung Cancer
Targeting the DNA/RNA helicase DHX9 induces the accumulation of double-stranded RNA and R-loops in small cell lung cancer cells, enhancing immunotherapy response and opening new therapeutic opportunities in immunologically ‘cold’ tumors.
Passenger Gene Coamplifications Create Collateral Therapeutic Vulnerabilities in Cancer
Passenger gene co-amplification is a largely overlooked but common event in many cancers that creates tumor-specific, therapeutically actionable dependencies with the potential to expand target discovery in oncology.
Cancer Mutations Converge on a Collection of Protein Assemblies to Predict Resistance to Replication Stress
Deep learning was implemented to integrate cancer-associated genetic alterations with known protein-protein interaction networks and create predictive models of response to replication stress-inducing agents.
EGFR-Driven Lung Adenocarcinomas Co-opt Alveolar Macrophage Metabolism and Function to Support EGFR Signaling and Growth
A metabolic relationship was demonstrated between tumor-associated alveolar macrophages and transformed epithelium that sustains oncogenic signaling and tumor proliferation, revealing potential immuno-metabolic targets for immunotherapy-resistant lung tumors.
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