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microRNA-211 regulates cell proliferation, apoptosis and migration/invasion in human osteosarcoma via targeting EZRIN

Yihua Pei1,2, Qin Yao1,2, Yingchao Li3

  • 11Central laboratory, ZhongShan Hospital XiaMen University, Xiamen, 361004 China.

Cellular & Molecular Biology Letters
|July 24, 2019
PubMed
Abstract

Insights

MicroRNA-211 (miR211) acts as a tumor suppressor in osteosarcoma by downregulating EZRIN. Upregulating miR211 inhibits cancer cell proliferation and migration, offering a potential diagnostic and therapeutic target.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • MicroRNA-211 (miR211) is recognized as a tumor suppressor in various cancers.
  • The specific role of miR211 in human osteosarcoma remains underexplored.
  • This study investigates the interaction between miR211 and EZRIN in osteosarcoma.

Purpose of the Study:

  • To elucidate the functional role of microRNA-211 in human osteosarcoma.
  • To determine the regulatory relationship between miR211 and EZRIN.
  • To assess the impact of miR211 and EZRIN on osteosarcoma cell behavior.

Main Methods:

  • Quantification of miR211 and EZRIN expression in osteosarcoma tissues and cells.
  • Dual-luciferase reporter assays to confirm direct targeting of EZRIN by miR211.
  • Assessment of cell proliferation, migration, invasion, and apoptosis following miR211 and EZRIN manipulation.

Main Results:

  • Osteosarcoma tissues exhibited significantly lower miR211 expression compared to adjacent normal tissues.
  • EZRIN was validated as a direct downstream target of miR211.
  • Overexpression of miR211 led to increased apoptosis and suppressed proliferation, migration, and invasion by targeting EZRIN.

Conclusions:

  • MicroRNA-211 plays a crucial role in the pathogenesis of osteosarcoma.
  • miR211 demonstrates potential as a novel biomarker for osteosarcoma diagnosis.
  • Targeting miR211 presents a promising therapeutic strategy for human osteosarcoma.
Keywords:
Cell apoptosisCell viabilityEZRINOsteosarcomamiR211

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