ArticleJournal for immunotherapy of cancer2026
Oncogenic
Article in Journal for immunotherapy of cancer, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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Authors and funding
13 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
backgroundImmune checkpoint inhibitors (ICIs) have significantly improved overall survival in metastatic urothelial carcinoma (mUC). However, predictive biomarkers for therapeutic response remain insufficiently defined. Although some genomic alterations have been implicated in modulating tumor immunogenicity and ICI sensitivity in other cancers, evidence in mUC remains limited and warrants further investigation.
methodsWe retrospectively analyzed 67 patients with mUC treated with ICIs and performed targeted next-generation sequencing using a 440-gene cancer panel. Tumor mutational burden (TMB), genomic alterations, and clinical outcomes were evaluated to identify biomarkers associated with ICI response. Functional studies were conducted using urothelial carcinoma cell lines co-cultured with peripheral blood mononuclear cells (PBMCs) with or without anti-programmed death-ligand 1 (PD-L1) treatment to evaluate tumor viability, cytokine responses, and antigen presentation. Gene knockdown and overexpression experiments, quantitative PCR, immunofluorescence, and western blotting were used to assess cytokine production, antigen presentation machinery components, and major histocompatibility complex (MHC) class I expression. In vivo validation was performed using CRISPR/Cas9-mediated knockout syngeneic murine models treated with anti-PD-L1 to assess tumor growth, immune infiltration, and therapeutic response through immunohistochemistry and flow cytometry.
resultsResponders to ICI monotherapy exhibited significantly higher TMB and enriched mutations in
conclusionsThis study is the first to identify
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.