TESC acts as a prognostic factor and promotes epithelial-mesenchymal transition progression in esophageal squamous carcinoma

Dong, Yanxin; Fan, Boshi; Li, Mingyang; Zhang, Jiale; Xie, Shun; Di, Shouyin; Jia, Qingge; Gong, Taiqian

doi:10.1016/j.prp.2023.154964

Pathology - Research and Practice

2024

DOI: 10.1016/j.prp.2023.154964

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TESC acts as a prognostic factor and promotes epithelial-mesenchymal transition progression in esophageal squamous carcinoma

Yanxin Dong,

Boshi Fan,

Mingyang Li

et al.

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2024

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Cited by 2 publications

References 27 publications

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TESC associated with poor prognosis enhances cancer stemness and migratory properties in liver cancer

Ye,

Luo,

Huang

et al. 2024

Clin Exp Med

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TESC associated with poor prognosis enhances cancer stemness and migratory properties in liver cancer

Ye,

Luo,

Huang

et al. 2024

Clin Exp Med

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miR-217-5p NanomiRs Inhibit Glioblastoma Growth and Enhance Effects of Ionizing Radiation via EZH2 Inhibition and Epigenetic Reprogramming

Korleski,

Sudhir,

Rui

et al. 2024

Cancers

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Background/Objectives: CSCs are critical drivers of the tumor and stem cell phenotypes of glioblastoma (GBM) cells. Chromatin modifications play a fundamental role in driving a GBM CSC phenotype. The goal of this study is to further our understanding of how stem cell-driving events control changes in chromatin architecture that contribute to the tumor-propagating phenotype of GBM. Methods: We utilized computational analyses to identify a subset of clinically relevant genes that were predicted to be repressed in a Polycomb repressive complex 2 (PRC2)-dependent manner in GBM upon induction of stem cell-driving events. These associations were validated in patient-derived GBM neurosphere models using state-of-the-art molecular techniques to express, silence, and measure microRNA (miRNA) and gene expression changes. Advanced Poly(β-amino ester) nanoparticle formulations (PBAEs) were used to deliver miRNAs in vivo to orthotopic human GBM tumor models. Results: We show that glioma stem cell (GSC) formation and tumor propagation involve the crosstalk between multiple epigenetic mechanisms, resulting in the repression of the miRNAs that regulate PRC2 function and histone H3 lysine 27 tri-methylation (H3K27me3). We also identified miR-217-5p as an EZH2 regulator repressed in GSCs and showed that miR-217-5p reconstitution using advanced nanoparticle formulations re-activates the PRC2-repressed genes, inhibits GSC formation, impairs tumor growth, and enhances the effects of ionizing radiation in an orthotopic model of GBM. Conclusions: These findings suggest that inhibiting PRC2 function by targeting EZH2 with miR-217-5p advanced nanoparticle formulations could have a therapeutic benefit in GBM.

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TESC acts as a prognostic factor and promotes epithelial-mesenchymal transition progression in esophageal squamous carcinoma

Cited by 2 publications

References 27 publications

TESC associated with poor prognosis enhances cancer stemness and migratory properties in liver cancer

TESC associated with poor prognosis enhances cancer stemness and migratory properties in liver cancer

miR-217-5p NanomiRs Inhibit Glioblastoma Growth and Enhance Effects of Ionizing Radiation via EZH2 Inhibition and Epigenetic Reprogramming

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