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Updated: Nov 22, 2025

Stimulation of Notch Signaling in Mouse Osteoclast Precursors
08:01

Stimulation of Notch Signaling in Mouse Osteoclast Precursors

Published on: February 28, 2017

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Notch-1 promotes the malignant progression of osteosarcoma through the activation of cell division cycle 20

Yuan Gao1, Lunhao Bai2, Guanning Shang2

  • 1Graduate School, China Medical University, Shenyang, Liaoning Province, PR China.

Aging
|January 7, 2021
PubMed

Insights

Notch-1 signaling promotes osteosarcoma (OS) progression by increasing cell viability and migration, partly through regulating cell division cycle 20 (Cdc20). Inhibiting Notch-1 presents a potential therapeutic strategy for OS.

Area of Science:

  • Molecular Biology
  • Oncology
  • Cell Biology

Background:

  • Osteosarcoma (OS) pathogenesis molecular mechanisms remain largely unclear.
  • The Notch signaling pathway is implicated in various tumorigenesis processes, including OS.

Purpose of the Study:

  • To elucidate the molecular mechanisms of Notch-1 signaling in osteosarcoma progression.
  • To investigate the functional role of Notch-1 in OS cell viability, apoptosis, migration, and invasion.

Main Methods:

  • Utilized MTT assays to assess cell viability.
  • Modulated Notch-1 and cell division cycle 20 (Cdc20) expression levels.
  • Evaluated effects on apoptosis, migration, and invasion capabilities of OS cells.

Main Results:

  • Notch-1 overexpression significantly increased OS cell viability, while downregulation reduced it.
  • Notch-1 modulation affected OS cell apoptosis, migration, and invasion.
  • Notch-1 overexpression augmented Cdc20 expression; Cdc20 overexpression counteracted Notch-1 downregulation's inhibitory effects.

Conclusions:

  • Notch-1 signaling plays a crucial role in promoting osteosarcoma progression.
  • The Notch-1/Cdc20 axis is involved in regulating OS cell viability, migration, and invasion.
  • Targeting Notch-1 inhibition offers a potential therapeutic strategy for osteosarcoma treatment.
Keywords:
Cdc20apoptosiscell growthmigrationosteosarcoma

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