期刊
OCULAR IMMUNOLOGY AND INFLAMMATION
卷 31, 期 3, 页码 506-514出版社
TAYLOR & FRANCIS INC
DOI: 10.1080/09273948.2022.2037659
关键词
Eph receptor B2; LINC00488; microRNA-30a-5p; migration; proliferation; retinoblastoma; tumorigenicity
The study revealed that LINC00488 confers oncogenic activity in retinoblastoma by binding to miR-30a-5p and targeting EPHB2.
Objective LINC00488 confers oncogenic activity in the progression of some tumors. Hence, the target of the study was about to specify LINC00488-mediated network in retinoblastoma (RB). Methods LINC00488 expression was tested in RB clinical tissues. siRNA targeting LINC00488 or miR-30a-5p mimic was introduced into RB cell line (Y79) to observe cellular biological functions. The relationship between LINC00488, miR-30a-5p and EPHB2 was verified. Afterward, the role of miR-30a-5p involved in RB through targeted regulation of EPHB2 was probed in vitro and in vivo. Results LINC00488 was induced in RB tissue and cells. LINC00488 knockdown or miR-30a-5p upregulation depressed the malignant activities of Y79 cells. LINC00488 could sponge miR-30a-5p that targeted EPHB2. EPHB2, and EPHB2 overexpression counteracted miR-30a-5p restoration-induced inhibition of Y79 cell development in vitro and in vivo. Conclusion LINC00488 induces tumorigenicity in RB by binding to miR-30a-5p to target EPHB2, which may offer a new clue of RB treatment from an lncRNA-miRNA-mRNA network.
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