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Mol Med Rep. 2017 Jul;16(1):167-173. doi: 10.3892/mmr.2017.6598. Epub 2017 May 17.

MicroRNA‑141 inhibits the self‑renewal of glioblastoma stem cells via Jagged1.

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Department of Neurosurgery, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China.


Glioblastoma multiforme is one of the most lethal types of brain cancer. With limited success from conventional therapies, the cancer stem cell theory was developed, and investigation into microRNAs (miRs) has facilitated understanding of this theory. The present study demonstrated that miR‑141 is suppressed in sorted cluster of differentiation (CD) 133(+) glioblastoma stem cells (GSCs) compared with CD133(‑) non‑glioblastoma stem cells (NSCs) from patient samples. In addition, miR‑141 overexpression inhibited the sphere formation ability of GSCs in vitro and in vivo. Furthermore, Jagged1 may reverse the effect of miR‑141; miR‑141 was revealed to target the 3'‑untranslated region of Jagged1, thereby inhibiting the stemness of GSCs. Thus, miR‑141 may serve as a potent antioncomir targeting cancer stem cells, and may facilitate the development of therapeutic targets to prolong the overall survival of patients with glioblastoma.

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