MMP-2 expression and correlation with pathology and MRI of glioma

Hui Zhang1, Yunxia Ma2, Haibao Wang1

  • 1Department of Radiology, The First Affiliated Hospital of Anhui Medical University, Hefei, Anhui 230022, P.R. China.

Oncology Letters
|January 25, 2019
PubMed

Insights

Matrix metalloproteinase-2 (MMP-2) is highly expressed in brain glioma, indicating a poorer prognosis. Its expression correlates with tumor characteristics and MRI findings, suggesting MRI can help assess MMP-2 levels in glioma patients.

Area of Science:

  • Oncology
  • Neuroscience
  • Biochemistry

Background:

  • Brain gliomas are primary brain tumors with variable prognoses.
  • Matrix metalloproteinase-2 (MMP-2) is implicated in tumor invasion and progression.
  • Understanding MMP-2 expression in glioma is crucial for prognostic assessment.

Purpose of the Study:

  • To investigate the expression of MMP-2 in brain glioma tissues.
  • To correlate MMP-2 expression with clinicopathological characteristics and MRI features.
  • To evaluate MMP-2 as a prognostic factor for glioma patients.

Main Methods:

  • 104 glioma patients were enrolled.
  • Immunohistochemistry (IHC) was used to detect MMP-2 expression.
  • Correlation analysis with clinicopathological data and MRI features was performed.

Main Results:

  • MMP-2 expression was significantly higher in glioma tissues compared to normal brain tissues (73.08% vs 12.5%).
  • MMP-2 expression correlated with tumor diameter and pathological grade, but not sex, age, or location.
  • Positive MMP-2 expression was associated with shorter overall survival (16.4 months vs 20.16 months) and specific MRI findings.

Conclusions:

  • MMP-2 is overexpressed in brain glioma and serves as an independent negative prognostic factor.
  • Tumor diameter, pathological grade, and MMP-2 expression are key prognostic indicators.
  • Preoperative MRI features can partially reflect MMP-2 expression intensity in gliomas.

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