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miR­140­5p inhibits the proliferation of multiple myeloma cells by targeting VEGFA.
Liu, Min; Liu, Huimin; Zhou, Jing; Yu, Zhuojun.
Afiliação
  • Liu M; Department of Hematology, Jingzhou Central Hospital, Jingzhou, Hubei 434020, P.R. China.
  • Liu H; Department of Hematology, Jingzhou Central Hospital, Jingzhou, Hubei 434020, P.R. China.
  • Zhou J; Department of Hematology, Jingzhou Central Hospital, Jingzhou, Hubei 434020, P.R. China.
  • Yu Z; Department of Hematology, Jingzhou Central Hospital, Jingzhou, Hubei 434020, P.R. China.
Mol Med Rep ; 23(1): 1, 2021 Jan.
Artigo em Inglês | MEDLINE | ID: mdl-33200797
ABSTRACT
MicroRNA (miR)­140­5p is associated with the growth and metastasis of various tumor cell types, yet its role in multiple myeloma (MM) remains unclear. Therefore, the present study aimed to investigate the regulatory effect of miR­140­5p on MM. Reverse transcription­quantitative PCR analysis demonstrated that miR­140­5p was downregulated in MM cell lines, particularly in U266 and RPMI 8226 cells. A Cell Counting Kit­8, wound healing and Transwell assays, as well as flow cytometry indicated that a miR­140­5p mimic could suppress cell viability, migration and invasion. In addition, the mimic promoted apoptosis of U266 and RPMI 8226 cells. Western blot data demonstrated that transfection with miR­140­5p mimic significantly reduced the expression levels of Ki­67, cyclin D1, vimentin, Snail, matrix metalloproteinase (MMP)­2 and MMP­3. Moreover, as predicted by TargetScan7.2 and verified by luciferase activity assay, it was demonstrated that vascular endothelial growth factor A (VEGFA) was targeted by miR­140­5p. Further experiments indicated that VEGFA overexpression promoted cell viability, migration and invasion and suppressed apoptosis of MM cells, and that the miR­140­5p mimic partially reversed the effects of VEGFA overexpression. Therefore, miR­140­5p suppressed MM progression by targeting VEGFA. The present findings provide insight into potential therapeutic strategies for the treatment of MM.
Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Tipo de estudo: Estudo prognóstico Idioma: Inglês Revista: Mol Med Rep Ano de publicação: 2021 Tipo de documento: Artigo

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Texto completo: Disponível Coleções: Bases de dados internacionais Base de dados: MEDLINE Tipo de estudo: Estudo prognóstico Idioma: Inglês Revista: Mol Med Rep Ano de publicação: 2021 Tipo de documento: Artigo