ArticleHeliyon2024
Pan-cancer landscape of disulfidptosis across human tumors.
Article in Heliyon, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.
What it found
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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.
The trial behind it
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Who cites it
1 citing paper in PubMed.
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Corrections and comments
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Authors and funding
5 authors.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Objective: Disulfidptosis is a newly discovered disulfide stress-induced cell death form. Clinical significance and biological mechanisms of disulfidptosis in human cancers need to be further elucidated. Thus, this study was designed to characterize pan-cancer landscape of disulfidptosis across human tumors. Methods: Multi-omics features (transcriptomics, genomics, and DNA methylation) of disulfidptosis genes were investigated in TCGA pan-cancer cohorts. A disulfidptosis score system was defined across human tumors via ssGSEA. The activity of classical oncogenic pathways and hallmarks of cancer as well as the infiltration of immunocyte subpopulations were estimated, respectively. Drug sensitivity was inferred, and immune checkpoint blockade (ICB) response was evaluated in an independent cohort IMvigor210. ACHN, CAL-27, and NCI-H23 cells were transiently transfected with GYS1 siRNAs, and cell apoptosis and proliferation were measured through TUNEL and EdU assays, respectively. Results: Aberrant mRNA expression and DNA methylation of disulfidptosis genes as well as their genomic alterations were found in human tumors. The disulfidptosis score was utilized for quantifying the activity of disulfidptosis, which enabled to estimate patient prognosis. The disulfidptosis score presented positive correlations to angiogenesis and EMT, indicating the role of disulfidptosis in mediating tumor malignant features. Moreover, the score was negatively linked with infiltrating immune and stromal cells in the immune microenvironment. In the ICB cohort, shorter survival time was observed in patients with high disulfidptosis score, indicating the potential of disulfidptosis score in influencing clinical benefits from ICB. Additionally, tumors with low disulfidptosis score exhibited higher sensitivity to a few small molecular compounds, e.g., Sabutoclax, PRIMA-1MET, BIBR-1532, and Elephantin. Knockdown of disulfidptosis gene GYS1 effectively hindered tumor progression. Conclusion: Collectively, our findings depict a pan-cancer map of disulfidptosis to inform functional and therapeutic research.
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