CircRNA_100395 Carried by Exosomes From Adipose-Derived Mesenchymal Stem Cells Inhibits the Malignant Transformation of Non-Small Cell Lung Carcinoma Through the miR-141-3p-LATS2 Axis

被引:36
|
作者
Zhang, Chong [1 ]
Cao, Jinlin [1 ]
Lv, Wang [1 ]
Mou, Haibo [2 ]
机构
[1] Zhejiang Univ, Sch Med, Affiliated Hosp 1, Dept Thorac Surg, Hangzhou, Peoples R China
[2] Zhejiang Shuren Univ, Shulan Hangzhou Hosp, Dept Med Oncol, Shulan Int Med Coll, Hangzhou, Peoples R China
关键词
non-small cell lung carcinoma (NSCLC); exosomes from adipose-derived mesenchymal stem cells; Hippo; YAP signalling pathway; circRNA_100395; miR-141-3p; CIRCULAR RNA; PROLIFERATION; ANGIOGENESIS;
D O I
10.3389/fcell.2021.663147
中图分类号
Q2 [细胞生物学];
学科分类号
071009 ; 090102 ;
摘要
Objective: The specific purpose of this study is to investigate the impact exosomes from adipose-derived mesenchymal stem cell (AMSC) has on non-small cell lung carcinoma (NSCLC) and the relative applications. Methods: circ_100395, miR-141-3p, and LATS2 were expressed and detected in NSCLC and paracancerous tissues as well as NSCLC cell lines. Pearson correlation analysis, Dual-Luciferase Reporter Assay and RNA pull-down assay were used to validate their expression and interaction, respectively. After isolation and culture of AMSCs, exosomes were extracted and identified. EdU, epithelial-mesenchymal transition (EMT), and cell colony formation assay were used to distinguish the biological activity of the cells. Expression Hippo/YAP signalling pathway-related proteins were measured by western blotting. Subsequently, tumour volume and weight were confirmed based on xenograft nude mice models, Ki-67 and LATS2 expression was observed by immunohistochemistry. Results: circ_100395 was lowly expressed in NSCLC tissues or cells. The negative correlations and interactions were confirmed between circ_100395 and miR-141-3p, miR-141-3p, and LATS2. AMSC-derived exosomes with overexpression of circ_100395 (exo-circ_100395) significantly inhibited the biological activity as well as EMT of H1650 cells and Hippo/YAP signalling pathway activity. In addition, exo-circ_100395 markedly reduced tumour volume and weight as well as Ki-67 and LASP1 expression in vivo. However, overexpressed miR-141-3p or knocked down LATS2 alleviated the above effects. Conclusion: Exo-circ_100395 can increase LATS2 expression by sponging miR-141-3p to regulate Hippo/YAP signalling pathway, thereby inhibiting NSCLC malignant transformation.
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页数:13
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