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MicroRNA-496 suppresses tumor cell proliferation by targeting BDNF in osteosarcoma

Jing Ye1, Wei Xie1, Yunzhou Zuo1

  • 1Department of Orthopedics, Hubei 672 Orthopedics Hospital of Integrated Chinese and Western Medicine, Wuhan, Hubei 430079, P.R. China.

Experimental and Therapeutic Medicine
|February 4, 2020
PubMed

Insights

MicroRNA-496 (miR-496) is reduced in osteosarcoma (OS). It inhibits OS cell proliferation by targeting brain-derived neurotrophic factor (BDNF), suggesting a new treatment strategy.

Area of Science:

  • Molecular Biology
  • Oncology
  • Biochemistry

Background:

  • MicroRNAs (miRNAs) regulate biological and pathobiological development.
  • Aberrant microRNA-496 (miR-496) expression is observed in various human cancers.
  • The role of miR-496 in osteosarcoma (OS) progression requires further investigation.

Purpose of the Study:

  • To investigate the function of miR-496 in osteosarcoma (OS) progression.
  • To elucidate the underlying molecular mechanisms of miR-496 in OS.
  • To identify potential therapeutic targets for OS treatment.

Main Methods:

  • Reverse transcription-quantitative polymerase chain reaction (RT-qPCR) for gene expression analysis.
  • Luciferase reporter assays to confirm direct gene targeting.
  • Western blot and CCK-8 assays to assess protein levels and cell viability.

Main Results:

  • miR-496 expression was significantly downregulated in osteosarcoma tissues and cell lines.
  • Brain-derived neurotrophic factor (BDNF) was identified as a direct target gene of miR-496.
  • miR-496 inhibited osteosarcoma cell proliferation by downregulating BDNF expression.

Conclusions:

  • miR-496 acts as a tumor suppressor in osteosarcoma.
  • The miR-496/BDNF axis represents a potential therapeutic target for osteosarcoma.
  • Further research into the miR-496/BDNF pathway could lead to novel clinical strategies for OS treatment.
Keywords:
BDNFmiR-496osteosarcomaproliferation

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