Abstract:
:MiR-195-5p has been shown to play an essential role in human cancer progression. Nevertheless, the biological role of miR-195-5p in osteosarcoma development remains unclear. In this study, real-time PCR was performed to examine the miR-195-5p expression in human osteosarcoma cell lines. CCK-8 assay and Transwell assay were carried out to measure the effect of miR-195-5p on cell proliferation and invasion. Luciferase reporter assay was used to identify the targets of miR-195-5p. The results showed that miR-195-5p was significantly downregulated in osteosarcoma cells. Forced expression of miR-195-5p significantly inhibited cell proliferation, suppressed cell migration and invasion, compared with wild-type and control-transfected osteosarcoma cells. Luciferase reporter assay revealed that miR-195-5p binds to the 3'-untranslated region (UTR) of Naked cuticle homolog 1 (NKD1), indicating that NKD1 was a novel target of miR-195-5p. NKD1 mRNA and protein levels were reduced after overexpression of miR-195-5p. Moreover, silencing of NKD1 significantly inhibited the proliferation and invasion of osteosarcoma cells. Accordingly, our results support a tumor suppressor role of miR-195-5p in osteosarcoma through inhibiting NKD1, and it may be a promising therapeutic target for osteosarcoma.
journal_name
Cell Biol Intjournal_title
Cell biology internationalauthors
Qu Q,Chu X,Wang Pdoi
10.1002/cbin.10723subject
Has Abstractpub_date
2017-03-01 00:00:00pages
287-295issue
3eissn
1065-6995issn
1095-8355journal_volume
41pub_type
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