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<p>To investigate the role of circ_0001103 in glioma and its underlying molecular mechanism. Differentially expressed circRNAs in glioblastoma cells and neural progenitor cells were analyzed with the data of GSE146463. Tissues samples, clinicopathological parameters and MRI characteristics were retrospectively collected. Circ_0001103, miR-375 and YAP1 expression levels were measured by qRT-PCR and Western blot. The relationship between circ_0001103 expression and clinicopathological parameters or MRI features of glioma patients was analyzed by chi-square test. After circ_0001103 or miR-375 was selectively up-regulated or down-regulated, CCK-8 assay, BrdU assay and flow cytometry were used to detect the proliferation and apoptosis of glioma cells. Bioinformatics prediction, dual-luciferase reporter gene assay and RNA immunoprecipitation were executed to verify the targeting relationships among miR-375, circ_0001103 and YAP1 3’ UTR. circ_0001103 was significantly up-regulated in glioma tissues and cell lines, which was positively correlated with the larger tumor size and non-uniform signal in MRI. Overexpression of circ_0001103 promoted glioma cell proliferation and inhibited apoptosis, while knockdown of circ_0001103 worked oppositely. Circ_0001103 negatively regulated miR-375 expression. MiR-375 targeted YAP1, and YAP1 was indirectly and positively modulated by circ_0001103. Circ_0001103 expression was negatively correlated with miR-375 expressions, while positively correlated with YAP1 expression in glioma tissues. Circ_0001103 contributes to glioma progression by regulating miR-375/YAP1 axis.</p>

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hsa_circ_0001103 correlates with unfavorable MRI features and promotes glioma progression by modulating the miR-375/YAP1 axis

  • 期刊论文

  • 发表日期：

    2025年5月27日

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  • Yu Hong,
  • Lijun Liu,
  • Yuedong Hai,
  • Liwei Bao

摘要

To investigate the role of circ_0001103 in glioma and its underlying molecular mechanism. Differentially expressed circRNAs in glioblastoma cells and neural progenitor cells were analyzed with the data of GSE146463. Tissues samples, clinicopathological parameters and MRI characteristics were retrospectively collected. Circ_0001103, miR-375 and YAP1 expression levels were measured by qRT-PCR and Western blot. The relationship between circ_0001103 expression and clinicopathological parameters or MRI features of glioma patients was analyzed by chi-square test. After circ_0001103 or miR-375 was selectively up-regulated or down-regulated, CCK-8 assay, BrdU assay and flow cytometry were used to detect the proliferation and apoptosis of glioma cells. Bioinformatics prediction, dual-luciferase reporter gene assay and RNA immunoprecipitation were executed to verify the targeting relationships among miR-375, circ_0001103 and YAP1 3’ UTR. circ_0001103 was significantly up-regulated in glioma tissues and cell lines, which was positively correlated with the larger tumor size and non-uniform signal in MRI. Overexpression of circ_0001103 promoted glioma cell proliferation and inhibited apoptosis, while knockdown of circ_0001103 worked oppositely. Circ_0001103 negatively regulated miR-375 expression. MiR-375 targeted YAP1, and YAP1 was indirectly and positively modulated by circ_0001103. Circ_0001103 expression was negatively correlated with miR-375 expressions, while positively correlated with YAP1 expression in glioma tissues. Circ_0001103 contributes to glioma progression by regulating miR-375/YAP1 axis.