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Strategic Endothelial Cell Tube Formation Assay: Comparing Extracellular Matrix and Growth Factor Reduced Extracellular Matrix
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Strategic Endothelial Cell Tube Formation Assay: Comparing Extracellular Matrix and Growth Factor Reduced Extracellular Matrix

Published on: August 14, 2016

Vascular endothelial growth factor correlates with matrix metalloproteinase-9 in the pleural effusion

H Y Jin1, K S Lee, S M Jin

  • 1Department of Internal Medicine, Research Institute of Clinical Medicine, Chonbuk National University Medical School, 634-18, Keumamdong, Jeonju, 561-712, South Korea.

Respiratory Medicine
|February 20, 2004
PubMed

Insights

Vascular endothelial growth factor (VEGF) and matrix metalloproteinase-9 (MMP-9) are elevated in pleural effusion. Their increased levels correlate with pleural fluid accumulation in lung cancer and tuberculosis.

Area of Science:

  • Biochemistry
  • Oncology
  • Pulmonology

Background:

  • Vascular endothelial growth factor (VEGF) drives angiogenesis and inflammation.
  • Matrix metalloproteinase-9 (MMP-9) degrades extracellular matrix components.
  • The relationship between VEGF, MMP-9, and pleural effusion is not well-understood.

Purpose of the Study:

  • To investigate the levels of VEGF and MMP-9 in pleural effusion.
  • To explore the correlation between VEGF and MMP-9 in pleural fluid.
  • To determine the association of VEGF and MMP-9 with pleural effusion in liver cirrhosis, tuberculosis, and lung cancer.

Main Methods:

  • Enzyme immunoassay
  • Zymographic analysis
  • Western blot analysis

Main Results:

  • VEGF and MMP-9 levels were significantly increased in pleural fluids and sera of tuberculosis patients.
  • VEGF and MMP-9 levels were even higher in lung cancer patients compared to liver cirrhosis patients.
  • A significant positive correlation was observed between VEGF and MMP-9 levels in pleural effusion.

Conclusions:

  • Overproduction of VEGF and MMP-9 is linked to pleural effusion accumulation in tuberculosis and lung cancer.
  • The interplay between VEGF and MMP-9 may contribute to pleural fluid formation.
  • Further research into the VEGF-MMP-9 pathway could reveal therapeutic targets for pleural effusion.

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