Non-small cell lung cancer(NSCLC)is a highly lethal cancer,and better treatments are urgently needed.Many studies have implicated circular RNAs(circRNAs)in the progression of multiple malignant tumors.Nonetheless,the ...Non-small cell lung cancer(NSCLC)is a highly lethal cancer,and better treatments are urgently needed.Many studies have implicated circular RNAs(circRNAs)in the progression of multiple malignant tumors.Nonetheless,the functions of circRNAs in NSCLC remain unclear.To study new targets for the treatment of NSCLC,circRNA expression profiling was performed on NSCLC tissues and para-carcinoma nonmalignant tissues.RNA was isolated and used for circRNA sequencing.Biological studies were performed in vitro and in vivo to determine the functions of circRNAs in NSCLC,including their functions in cell proliferation and migration.How circRNAs function in NSCLC was explored to clarify the underlying regulatory mechanisms.We found that circUCP2 was upregulated in NSCLC tissues compared with neighboring nonmalignant tissues.circUCP2 promoted the proliferation and metastasis of NSCLC cells.circUCP2 promoted NSCLC progression by sponging miR-149 and upregulating UCP2.The circUCP2/miR-149/UCP2 axis accelerates the progression of NSCLC,and circUCP2 may therefore be a novel diagnostic biomarker for the progression of NSCLC.展开更多
基金supported by grants from the Science and Technology Program of Guangzhou(202102080084,Han Yang)the Key Project of Scientific Research Plan of Hunan Provincial Health Commission(C202301047982,Wei Du)+1 种基金the Wings Scientific and Technological Foundation of The First People’s Hospital of Changde City(2022ZZ05,Wei Du)the Traditional Chinese Medicine Bureau of Guangdong Province(20161062,Qing Liu).
文摘Non-small cell lung cancer(NSCLC)is a highly lethal cancer,and better treatments are urgently needed.Many studies have implicated circular RNAs(circRNAs)in the progression of multiple malignant tumors.Nonetheless,the functions of circRNAs in NSCLC remain unclear.To study new targets for the treatment of NSCLC,circRNA expression profiling was performed on NSCLC tissues and para-carcinoma nonmalignant tissues.RNA was isolated and used for circRNA sequencing.Biological studies were performed in vitro and in vivo to determine the functions of circRNAs in NSCLC,including their functions in cell proliferation and migration.How circRNAs function in NSCLC was explored to clarify the underlying regulatory mechanisms.We found that circUCP2 was upregulated in NSCLC tissues compared with neighboring nonmalignant tissues.circUCP2 promoted the proliferation and metastasis of NSCLC cells.circUCP2 promoted NSCLC progression by sponging miR-149 and upregulating UCP2.The circUCP2/miR-149/UCP2 axis accelerates the progression of NSCLC,and circUCP2 may therefore be a novel diagnostic biomarker for the progression of NSCLC.