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Increased MT2-MMP expression in gastric cancer patients is associated with poor prognosis

Xiaoli Xu1, Lujun Chen1, Bin Xu1

  • 1Department of Tumor Biological Treatment, The Third Affiliated Hospital of Soochow University Jiangsu Changzhou 213003, China.

International Journal of Clinical and Experimental Pathology
|May 15, 2015
PubMed

Insights

Matrix metalloproteinase-2 (MT2-MMP) is elevated in gastric cancer (GC) tissues, correlating with poorer overall survival. This suggests MT2-MMP may be a prognostic marker for GC patients.

Area of Science:

  • Oncology
  • Molecular Biology
  • Biochemistry

Background:

  • Matrix metalloproteinases (MMPs) facilitate tumor growth and spread by degrading the extracellular matrix.
  • The specific role of membrane type-2 MMP (MT2-MMP) in gastric cancer (GC) is not well understood.

Purpose of the Study:

  • To investigate MT2-MMP expression levels in human GC tissues.
  • To determine the correlation between MT2-MMP expression and patient prognosis.

Main Methods:

  • Immunohistochemistry (IHC) was used to analyze MT2-MMP expression in gastric cancer tissue microarrays (TMAs).
  • Statistical analyses, including Cox regression, were performed to assess survival outcomes.

Main Results:

  • MT2-MMP expression was significantly higher in GC tumor tissues compared to adjacent peritumoral tissues (P < 0.01).
  • Elevated MT2-MMP expression was associated with significantly poorer overall survival (OS) in GC patients (P = 0.013 univariate, P = 0.040 multivariate).
  • No significant association was found between MT2-MMP levels and other clinicopathological parameters.

Conclusions:

  • MT2-MMP is implicated in gastric cancer invasion and metastasis.
  • MT2-MMP may serve as an independent prognostic biomarker for predicting overall survival in gastric cancer patients.
Keywords:
Membrane type-2 MMPgastric cancerprognosis

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