Induction of matrix metalloproteinases-14 and -2 by cyclical mechanical stretch is mediated by tumor necrosis factor-α in cultured human umbilical vein endothelial cells

Bao Wei Wang, Hang Chang, Shankung Lin, Peiliang Kuan, Kou-Gi Shyu

Research output: Contribution to journalArticle

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Abstract

Objective: Mechanical forces have profound effects on endothelial cells. This study was undertaken to examine the hypothesis that tumor necrosis factor-α (TNF-α) is a potential mediator of stretch-induced effects on matrix metalloproteinase (MMP). Methods: Human umbilical vein endothelial cells (HUVECs) grown on a flexible membrane base were stretched by vacuum to 20% of maximum elongation, at 60 cycles/min. We used the TNF-α monoclonal antibody and c-Jun N-terminal kinase (JNK) inhibitor, SP600125, to investigate the cyclical stretch-induced expression of MMP-14 and -2 in cultured HUVECs. Results: Cyclical mechanical stretch significantly increased protein synthesis and mRNA expression for MMP-14 and -2 from 2 to 24 h. The increased MMP-14 and-2 proteins after stretch were completely blocked after the addition of TNF-α monoclonal antibody (5 μg/ml) or SP600125 (20 μM) 30 min before stretch. By zymography, MMP-2 expression was induced by cyclical stretch and was attenuated by TNF-α monoclonal antibody and SP600125. Cyclical stretch increased the immunohistochemical labeling of MMP-14 and -2 and significantly increased release of TNF-α into the culture media from 120±2 to 331±2 pg/ml (P

Original languageEnglish
Pages (from-to)460-469
Number of pages10
JournalCardiovascular Research
Volume59
Issue number2
DOIs
Publication statusPublished - Aug 1 2003

Fingerprint

Matrix Metalloproteinase 14
Matrix Metalloproteinase 2
Human Umbilical Vein Endothelial Cells
Tumor Necrosis Factor-alpha
Monoclonal Antibodies
JNK Mitogen-Activated Protein Kinases
Vacuum
Matrix Metalloproteinases
Culture Media
Proteins
Endothelial Cells
Messenger RNA
Membranes
anthra(1,9-cd)pyrazol-6(2H)-one

Keywords

  • Cell culture
  • Cytokines
  • Extracellular matrix
  • Gene expression
  • Stretch

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine

Cite this

Induction of matrix metalloproteinases-14 and -2 by cyclical mechanical stretch is mediated by tumor necrosis factor-α in cultured human umbilical vein endothelial cells. / Wang, Bao Wei; Chang, Hang; Lin, Shankung; Kuan, Peiliang; Shyu, Kou-Gi.

In: Cardiovascular Research, Vol. 59, No. 2, 01.08.2003, p. 460-469.

Research output: Contribution to journalArticle

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