GATA3 is downregulated in osteosarcoma and facilitates EMT as well as migration through regulation of slug

Related Experiment Video

Updated: Feb 2, 2026

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma
08:07

Three-Dimensional Bone Extracellular Matrix Model for Osteosarcoma

Published on: April 12, 2019

7.7K

Linjie Ma1, Wentao Xue1, Xianghai Ma2

  • 1Department of Orthopedics, Yidu Central Hospital of Weifang City, Qingzhou 262500, People's Republic of China.

Oncotargets and Therapy
|November 23, 2018
PubMed
Abstract

Insights

GATA3 acts as a tumor suppressor in osteosarcoma (OS), inhibiting cancer cell proliferation, migration, and metastasis by downregulating slug expression. This study clarifies GATA3

Area of Science:

  • Oncology
  • Molecular Biology

Background:

  • GATA3 is a known tumor suppressor in various cancers.
  • Its role and mechanisms in osteosarcoma (OS) remain unelucidated.

Purpose of the Study:

  • To investigate the function and mechanism of GATA3 in osteosarcoma.
  • To determine if GATA3 acts as a tumor suppressor in OS.

Main Methods:

  • Quantitative reverse-transcription PCR and Western blotting for GATA3 expression.
  • Cell proliferation, migration, and invasion assays (CCK-8, colony formation, wound healing, Transwell).
  • Chromatin immunoprecipitation (ChIP), quantitative ChIP (qChIP), and luciferase assays to assess GATA3 regulation of slug.

Main Results:

  • GATA3 expression was significantly downregulated in OS cells and tissues.
  • Reduced GATA3 expression correlated with increased tumor size and metastasis.
  • GATA3 suppressed OS cell proliferation, migration, and invasion.
  • GATA3 transcriptionally inhibited slug, a key factor in epithelial-mesenchymal transition (EMT).

Conclusions:

  • GATA3 functions as a tumor suppressor in osteosarcoma.
  • GATA3 inhibits OS progression and metastasis by regulating slug expression and EMT.
Keywords:
GATA3epithelial–mesenchymal transitionmigrationosteosarcomaproliferation

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