Related Experiment Video

Updated: Oct 10, 2025

RhoC GTPase Activation Assay
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Rho-GEF Trio regulates osteosarcoma progression and osteogenic differentiation through Rac1 and RhoA

Junyi Wang1, Lichan Yuan1, Xiaohong Xu1

  • 1Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, 140 Hanzhong Road, 210029, Nanjing, China.

Cell Death & Disease
|December 11, 2021
PubMed

Insights

Trio protein promotes osteosarcoma (OS) growth and metastasis by activating RhoGTPases. Targeting Trio may offer new therapeutic strategies for this common bone cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Osteosarcoma (OS) is the most prevalent primary bone malignancy.
  • High mortality and metastasis rates necessitate novel therapeutic approaches.
  • Current treatments for OS have reached a therapeutic plateau.

Purpose of the Study:

  • To investigate the role of Trio in osteosarcoma progression.
  • To explore Trio's impact on osteosarcoma cell behavior and osteogenic differentiation.
  • To elucidate the mechanism by which Trio influences osteosarcoma.

Main Methods:

  • Comparative analysis of Trio expression in osteosarcoma versus normal tissues.
  • In vitro assays assessing cell proliferation, migration, and invasion.
  • In vivo studies evaluating tumor growth acceleration.
  • Investigation of RhoGTPase activation by Trio.

Main Results:

  • Trio expression is significantly elevated in osteosarcoma tissues.
  • Overexpression of Trio enhances osteosarcoma cell proliferation, migration, and invasion.
  • Trio inhibits osteogenic differentiation in vitro and promotes tumor growth in vivo.
  • Trio activates RhoGTPases, mediating its effects on osteosarcoma progression and differentiation.

Conclusions:

  • Trio plays a crucial role in promoting osteosarcoma progression and metastasis.
  • Trio's mechanism involves the activation of RhoGTPases.
  • Trio represents a potential therapeutic target and prognostic biomarker for osteosarcoma.

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