ArticleBiology2026
EZH2 Inhibition Restores Tumor Suppressor SFRP1 Activity by Reprogramming Extrachromosomal Circular DNA Dynamics in Ovarian Cancer.
Article in Biology, 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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12 authors.
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Abstract
Extrachromosomal circular DNA (eccDNA) has emerged as a pivotal contributor to cancer progression, facilitating oncogene amplification, dysregulated gene expression, and tumor heterogeneity. Despite its significance in cancer, the interplay between eccDNA and key epigenetic regulators such as EZH2 remains largely unexplored. In this study, we systematically investigate the correlation between Tazemetostat, a highly selective EZH2 inhibitor, and alterations in the eccDNA landscape and transcriptional programs in ovarian cancer. Through integrated profiling using Circle-seq and RNA sequencing, we demonstrate that EZH2 inhibition is associated with markedly reprogrammed eccDNA dynamics. Furthermore, multi-omics integration identified that 67 genes exhibited concordant changes in both eccDNA abundance and transcript expression. Subsequent analyses also pinpointed 11 genes as putative effectors of drug response. Notably, spatial single-cell transcriptomics identified SFRP1 as the most consistently reactivated tumor suppressor across eccDNA, bulk expression, and spatial datasets, based on predefined statistical and biological criteria, by Tazemetostat. Moreover,
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