Gliomas are the most prevalent and aggressive malignancies of the nervous system.Previous bioinformatic studies have revealed the crucial role of the secretory pathway kinase FAM20C in the prediction of glioma invasio...Gliomas are the most prevalent and aggressive malignancies of the nervous system.Previous bioinformatic studies have revealed the crucial role of the secretory pathway kinase FAM20C in the prediction of glioma invasion and malignancy.However,little is known about the pathogenesis of FAM20C in the regulation of glioma.Here,we construct the full-length transcriptome atlas in paired gliomas and observe that 22 genes are upregulated by full-length transcriptome and differential APA analysis.Analysis of ATAC-seq data reveals that both FAM20C and NPTN are the hub genes with chromatin openness and differential expression.Further,in vitro and in vivo studies suggest that FAM20C stimulates the proliferation and metastasis of glioma cells.Meanwhile,NPTN,a novel cancer suppressor gene,counteracts the function of FAM20C by inhibiting both the proliferation and migration of glioma.The blockade of FAM20C by neutralizing antibodies results in the regression of xenograft tumors.Moreover,MAX,BRD4,MYC,and REST are found to be the potential trans-active factors for the regulation of FAM20C.Taken together,our results uncover the oncogenic role of FAM20C in glioma and shed new light on the treatment of glioma by abolishing FAM20C.展开更多
基金supported by the grants from Department of Science and Technology of Sichuan Province,China(No.23ZDYF2212)Medico-Engineering Cooperation Funds from the University of Electronic Science and Technology of China(No.ZYGX2021YGLH209)+1 种基金the Department of Science and Technology of Sichuan Province(Nos.2022NSFSC0760 and 2022JDTD0024)the Chengdu Science and Technology Bureau(2022-YF05-01625-SN)。
文摘Gliomas are the most prevalent and aggressive malignancies of the nervous system.Previous bioinformatic studies have revealed the crucial role of the secretory pathway kinase FAM20C in the prediction of glioma invasion and malignancy.However,little is known about the pathogenesis of FAM20C in the regulation of glioma.Here,we construct the full-length transcriptome atlas in paired gliomas and observe that 22 genes are upregulated by full-length transcriptome and differential APA analysis.Analysis of ATAC-seq data reveals that both FAM20C and NPTN are the hub genes with chromatin openness and differential expression.Further,in vitro and in vivo studies suggest that FAM20C stimulates the proliferation and metastasis of glioma cells.Meanwhile,NPTN,a novel cancer suppressor gene,counteracts the function of FAM20C by inhibiting both the proliferation and migration of glioma.The blockade of FAM20C by neutralizing antibodies results in the regression of xenograft tumors.Moreover,MAX,BRD4,MYC,and REST are found to be the potential trans-active factors for the regulation of FAM20C.Taken together,our results uncover the oncogenic role of FAM20C in glioma and shed new light on the treatment of glioma by abolishing FAM20C.
