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Updated: Oct 4, 2025

Integration of Bioinformatics Approaches and Experimental Validations to Understand the Role of Notch Signaling in Ovarian Cancer
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Abnormal activation of notch 1 signaling causes apoptosis resistance in cervical cancer

Lu Yu1, Wei Li1

  • 1Department of Obstetrics and Gynaecology, People's Hospital of China Three Gorges University Yichang 443000, Hubei, China.

International Journal of Clinical and Experimental Pathology
|February 11, 2022
PubMed

Insights

Notch1 overexpression drives cervical cancer progression and resistance to apoptosis. Depleting Notch1 (NOTCH1) in cancer cells activates cell death and enhances drug sensitivity, suggesting Notch1 as a therapeutic target.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cell Signaling

Background:

  • The Notch1 signaling pathway is a critical regulator of cell fate and differentiation.
  • Notch1 overexpression is implicated in various cancers, promoting proliferation, survival, invasion, and metastasis.
  • The specific role of Notch1 in cervical cancer progression remains incompletely understood.

Purpose of the Study:

  • To investigate the role of Notch1 signaling in cervical cancer progression.
  • To determine the impact of NOTCH1 depletion on cervical cancer cell behavior and drug sensitivity.

Main Methods:

  • Analysis of Notch1 expression in cervical cancer tissues and cell lines (HeLa, SiHa).
  • RNA interference (RNAi) for NOTCH1 depletion in cervical cancer cells.
  • Flow cytometry to assess apoptosis and cell viability.

Main Results:

  • Notch1 expression (mRNA and protein) is significantly upregulated in cervical cancer tissues and cell lines.
  • NOTCH1 depletion induced apoptotic cell death in cervical cancer cells.
  • NOTCH1-depleted cells exhibited increased sensitivity to DNA-targeting drugs, reducing cell viability.

Conclusions:

  • Notch1 overexpression contributes to tumorigenesis and apoptosis resistance in cervical cancer.
  • Targeting Notch1 signaling may represent a potential therapeutic strategy for cervical cancer.
Keywords:
ApoptosisNotch1 signalingcell proliferationcervical cancerchemoresistance

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