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Published on: January 12, 2020

Notch3 overexpression associates with poor prognosis in human non-small-cell lung cancer

Yuan-zi Ye1, Zhi-hong Zhang, Xiao-yun Fan

  • 1Department of Respiratory Medicine, Anhui Geriatric Institute, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui, 230022, PR China.

Medical Oncology (Northwood, London, England)
|May 7, 2013
PubMed

Insights

Notch3 receptor is overexpressed in Chinese non-small-cell lung cancer (NSCLC) and linked to advanced stages and poorer survival. This suggests Notch3 may serve as a prognostic biomarker for NSCLC patients.

Area of Science:

  • Oncology
  • Molecular Biology
  • Cellular Signaling

Background:

  • The Notch3 receptor is a key regulator of cell processes and its overexpression is implicated in cancer development.
  • Understanding Notch3's role in non-small-cell lung cancer (NSCLC) is crucial for identifying prognostic markers.

Purpose of the Study:

  • To investigate Notch3 expression levels in Chinese NSCLC patients.
  • To determine the association between Notch3 expression and clinicopathological features and prognosis in NSCLC.

Main Methods:

  • Prospective study with 5-year follow-up.
  • Immunohistochemistry and western blot analysis of Notch3 expression in 131 NSCLC tissues and adjacent normal lung tissues.
  • Statistical analysis including Kaplan-Meier survival and multivariate analysis.

Main Results:

  • Notch3 was highly expressed in 51.1% of NSCLC cases, significantly more than in normal lung tissue.
  • Notch3 overexpression correlated significantly with TNM stage and lymph node metastasis in both squamous cell carcinoma and adenocarcinoma.
  • Patients with Notch3-expressing NSCLC had shorter overall survival times.

Conclusions:

  • Notch3 is significantly overexpressed in NSCLC and associated with adverse prognostic factors.
  • Notch3 serves as an independent prognostic factor for NSCLC.
  • Notch3 may be a valuable biomarker for predicting NSCLC patient prognosis.

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