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Background: Colon cancer (CC) is a highly prevalent malignancy that contributes significantly to global morbidity and mortality. The polycomb group ring finger 2 (PCGF2) has been identified as a relevant factor influencing the outcomes of CC. At the same time, the centromere-associated protein E (CENPE) is implicated in promoting carcinogenesis and adversely affecting the survival of tumor patients. The primary objective of this study was to elucidate the precise impact of PCGF2 on CC and unravel the underlying mechanisms associated with CENPE. Methods: Human normal colon epithelial cells and CC cells were utilized to investigate the differential expression of PCGF2 and CENPE. CC cell line LOVO was exploited and transfected for PCGF2 regulation. Subsequently, cell viability and proliferation were assessed using the cell counting kit 8 (CCK-8) and colony forming assay. Cell viability and proliferation were assessed using the terminal deoxynucleotidyl transferase (TdT) dUTP nick-end labeling (TUNEL) assay, while cell migration and invasion capabilities were determined using the transwell assay, and mRNA levels of cell cycle-related genes were measured for evaluating cell cycle activation. In addition, mice were used for in vivo experiments to investigate the progression of CC cells with different levels of PCGF2. Moreover, GSK-923295 was used to inhibit CENPE, followed by the evaluation of cell progression. Results: PCGF2 and CENPE were upregulated in CC cell lines (p p p p p < 0.001). Conclusion: PCGF2 promotes CC cell progression by upregulating CENPE, providing PCGF2 inhibition and CENPE inhibition as potential therapeutic targets for treating CC.
Luo et al. (Mon,) studied this question.