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Updated: Jan 31, 2026

Integration of Bioinformatics Approaches and Experimental Validations to Understand the Role of Notch Signaling in Ovarian Cancer
09:08

Integration of Bioinformatics Approaches and Experimental Validations to Understand the Role of Notch Signaling in Ovarian Cancer

Published on: January 12, 2020

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Molecular Targeting of Notch Signaling Pathway by DAPT in Human Ovarian Cancer: Possible Anti Metastatic Effects

Maryam Akbarzadeh1, Maryam Majidinia, Sedigheh Fekri Aval

  • 1Department of Biochemistry, Higher Education Institute of Rab-Rashid, Tabriz, Iran.

Asian Pacific Journal of Cancer Prevention : APJCP
|December 26, 2018
PubMed

Insights

Inhibiting Notch signaling significantly reduced ovarian cancer cell proliferation and metastasis potential. This targeted approach decreased metalloproteinase activity, suggesting a promising new treatment strategy for ovarian cancer.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Signaling

Background:

  • Ovarian cancer is a leading cause of gynecological cancer mortality.
  • Signaling pathways are increasingly recognized for their role in ovarian cancer initiation and progression.
  • The specific role of Notch signaling in ovarian cancer cell proliferation and metalloproteinase function requires further investigation.

Purpose of the Study:

  • To investigate the role of Notch signal transduction in the proliferation and metalloproteinase 2 and 9 (MMP-2, MMP-9) function of human ovarian cancer OVCAR-3 cells.
  • To evaluate the effects of a Notch signaling inhibitor (DAPT) on OVCAR-3 cell proliferation, Hes-1 mRNA levels, and MMP activity.

Main Methods:

  • Cell proliferation was assessed using MTT assays.
  • Hes-1 mRNA levels were quantified using quantitative reverse transcription polymerase chain reaction (qRT-PCR).
  • Metalloproteinase (MMP) activity was measured by zymography.

Main Results:

  • Inhibition of Notch signaling with DAPT significantly reduced OVCAR-3 cell proliferation.
  • DAPT treatment led to a significant decrease in Hes-1 mRNA levels (p < 0.05).
  • The activity of MMP-2 and MMP-9 was significantly reduced following DAPT treatment (p < 0.05).

Conclusions:

  • Suppression of Notch signaling effectively reduces proliferation and metastatic potential in OVCAR-3 cells.
  • The observed effects are mediated through the downregulation of metalloproteinases 2 and 9.
  • Targeting the Notch signaling pathway pharmacologically presents a promising therapeutic strategy for ovarian cancer.
Keywords:
Notch signaling pathwaymetalloproteinasesovarian cancer

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