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MicroRNA-16 suppressed the invasion and migration of osteosarcoma by directly inhibiting RAB23

Z-H Jiao1, J-D Wang, X-J Wang

  • 1Department of Orthopedic, Rizhao Hospital of Traditional Chinese Medicine, Rizhao, Shandong, China. tfi82987@126.com.

European Review for Medical and Pharmacological Sciences
|May 18, 2018
PubMed
Abstract

Insights

MicroRNA-16 (miR-16) is down-regulated in osteosarcoma, inhibiting cancer cell migration and invasion. This study identifies a new miR-16/RAB23 pathway potentially useful for osteosarcoma treatment.

Area of Science:

  • Oncology
  • Molecular Biology
  • Genetics

Background:

  • Osteosarcoma is a prevalent bone cancer in adolescents and young adults.
  • MicroRNAs (miRNAs) are increasingly recognized for their role in cancer development.
  • Dysregulation of miRNAs is implicated in various human cancers, including osteosarcoma.

Purpose of the Study:

  • To investigate the role of miR-16 in osteosarcoma.
  • To determine the influence of miR-16 on RAB23 expression and function.
  • To explore the potential of the miR-16/RAB23 axis as a therapeutic target.

Main Methods:

  • Quantitative reverse transcriptase-polymerase chain reaction (qRT-PCR) to measure miR-16 expression.
  • Transwell assays to assess cell migration and invasion.
  • Western blot and luciferase assays to validate RAB23 as a direct target of miR-16.

Main Results:

  • miR-16 was found to be down-regulated in osteosarcoma tissues and cell lines.
  • RAB23 expression was inversely correlated with miR-16 levels in tumor tissues.
  • Overexpression of miR-16 inhibited osteosarcoma cell migration and invasion.
  • RAB23 was confirmed as a direct target of miR-16, and its overexpression counteracted miR-16's inhibitory effects.

Conclusions:

  • miR-16 plays an inhibitory role in osteosarcoma cell migration and invasion.
  • The miR-16/RAB23 interaction represents a novel axis in osteosarcoma pathogenesis.
  • This axis offers potential as a therapeutic target for osteosarcoma treatment.

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