Kidney injury molecule-1 (KIM-1) mediates renal epithelial cell repair via ERK MAPK signaling pathway

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Abstract

The expression of kidney injury molecule-1 (KIM-1), a very promising sensitive and specific urinary biomarker for acute renal injury, is markedly upregulated in injured and regenerating renal proximal tubular epithelial cells following ischemic or toxic insults, suggesting a possible role for this molecule in renal repair process. In the present study, we report that expression of KIM-1 facilitates renal tubular epithelial cell repair by promoting cell migration and proliferation. KIM-1 expression also enhances ERK MAPK activation, and the modulatory effect of KIM-1 on cellular repair process is likely mediated via ERK MAPK signaling pathway.

Original languageEnglish
Pages (from-to)109-116
Number of pages8
JournalMolecular and Cellular Biochemistry
Volume416
Issue number1-2
DOIs
StatePublished - May 1 2016

ASJC Scopus Subject Areas

  • Molecular Biology
  • Clinical Biochemistry
  • Cell Biology

Keywords

  • Cell migration
  • Cell proliferation
  • Cellular repair
  • ERK MAPK
  • Kidney injury molecule-1 (KIM-1)
  • Cell Line
  • Epithelial Cells/metabolism
  • Cell Proliferation
  • Hepatitis A Virus Cellular Receptor 1/genetics
  • Humans
  • Kidney Tubules, Proximal/metabolism
  • MAP Kinase Signaling System
  • Cell Movement

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