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- W3126448892 abstract "LncRNA PVT1 has been demonstrated to be upregulated in acute myeloid leukaemia (AML) patients and indicates a poor prognosis. Nevertheless, its role in AML remains obscure. This study investigated the regulatory role and potential mechanisms of PVT1 in the progression of AML. Expression of PVT1, miR-29 family and WAVE1 was detected by quantitative real-time polymerase chain reaction. CCK8 and EdU assays were performed to assess the proliferation of AML cells. Cell cycle and apoptosis were determined by propidium iodide (PI) staining and Annexin V/PI staining on a flow cytometer. Transwell assay was carried out to evaluate the migration and invasion abilities. The interaction between miR-29 family and PVT1/WAVE1 was confirmed by dual luciferase reporter assay and RNA immunoprecipitation assay. The protein levels of WAVE1, Bcl-2, Bax, cleaved Caspase 3, cyclin D1, and p21 were detected by western blotting. Xenograft transplantation was performed to determine the tumourigenicity of AML cell in vivo. PVT1 expression was significantly increased in AML patient samples and cells, which positively correlated with WAVE1 expression. Silencing of PVT1 restrained growth, migration and invasion, while inducing apoptosis of AML cells. Moreover, PVT1 acted as a sponge for miR-29 family to increase WAVE1 expression in AML cells. Overexpression of WAVE1 partly counteracted PVT1 knockdown-induced anti-tumour effects on AML cells in vitro and xenograft tumour in vivo. PVT1 facilitated the progression of AML via regulating miR-29 family/WAVE1 axis, which supported the conclusion that PVT1 may be a promising therapeutic target for AML." @default.
- W3126448892 created "2021-02-15" @default.
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- W3126448892 date "2021-08-01" @default.
- W3126448892 modified "2023-09-27" @default.
- W3126448892 title "LncRNA PVT1 promotes the malignant progression of acute myeloid leukaemia via sponging miR-29 family to increase WAVE1 expression" @default.
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- W3126448892 doi "https://doi.org/10.1016/j.pathol.2020.11.003" @default.
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