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Autocrine motility factor stimulates the invasiveness of malignant cells as well as up-regulation of matrix metalloproteinase-3 expression via a MAPK pathway.

Abstract
The autocrine motility factor (AMF) is a multifunctional protein that is involved in tumor progression including enhanced invasiveness via induction of matrix metalloproteinase-3 (MMP3). The increase in MMP3 was found in an AMF-high production tumor cell line, and c-Jun, c-Fos and mitogen-activated protein kinases (MAPKs) were also highly phosphorylated compared with the parent line. AMF stimulation induced the rapid phosphorylation of the cellular MAPK cascade and MMP3 secretion, which was blocked using a specific MAPK inhibitor. Results of this study suggest that AMF stimulation stimulates MMP3 expression via a MAPK signaling pathway.
AuthorsArayo Haga, Tatsuyoshi Funasaka, Yoshihiro Deyashiki, Avraham Raz
JournalFEBS letters (FEBS Lett) Vol. 582 Issue 13 Pg. 1877-82 (Jun 11 2008) ISSN: 0014-5793 [Print] England
PMID18485900 (Publication Type: Journal Article)
Chemical References
  • Proto-Oncogene Proteins c-fos
  • Receptors, Cytokine
  • AMFR protein, human
  • Receptors, Autocrine Motility Factor
  • Ubiquitin-Protein Ligases
  • Mitogen-Activated Protein Kinases
  • MAP Kinase Kinase 4
  • Matrix Metalloproteinase 3
  • Glucose-6-Phosphate Isomerase
Topics
  • Cell Line, Tumor
  • Cell Movement
  • Enzyme Activation
  • Glucose-6-Phosphate Isomerase (metabolism, pharmacology)
  • Humans
  • MAP Kinase Kinase 4 (antagonists & inhibitors, metabolism)
  • Matrix Metalloproteinase 3 (genetics, metabolism)
  • Mitogen-Activated Protein Kinases (metabolism)
  • Neoplasm Invasiveness
  • Phosphorylation
  • Proto-Oncogene Proteins c-fos (metabolism)
  • Receptors, Autocrine Motility Factor
  • Receptors, Cytokine (genetics, metabolism)
  • Ubiquitin-Protein Ligases (genetics, metabolism)
  • Up-Regulation

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