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Matrix metalloproteinases in kidney homeostasis and diseases

Roderick J Tan1, Youhua Liu

  • 1Renal-Electrolyte Division, Department of Medicine, University of Pittsburgh School of Medicine, 200 Lothrop St., Pittsburgh, PA 15261, USA.

American Journal of Physiology. Renal Physiology
|April 12, 2012
PubMed

Insights

Matrix metalloproteinases (MMPs) are crucial enzymes in kidney health and disease. This review details their diverse roles in renal pathology, including inflammation and fibrosis, and their dysregulation in various kidney conditions.

Area of Science:

  • Nephrology
  • Biochemistry
  • Molecular Biology

Background:

  • Matrix metalloproteinases (MMPs) are zinc-dependent endopeptidases involved in extracellular matrix remodeling.
  • Initially recognized for degrading matrix in fibrotic diseases, MMPs have broader physiological and pathological roles.
  • MMPs are implicated in inflammation, epithelial-mesenchymal transition, cell proliferation, angiogenesis, and apoptosis.

Purpose of the Study:

  • To review the multifaceted roles of MMPs in kidney physiology and pathology.
  • To summarize evidence of MMP dysregulation in diverse renal diseases.
  • To elucidate the mechanisms of action of MMPs in the kidney.

Main Methods:

  • Literature review of studies on MMPs in renal contexts.
  • Analysis of research on MMP involvement in kidney disease pathogenesis.
  • Synthesis of findings on MMP mechanisms in renal cells and tissues.

Main Results:

  • MMPs exhibit complex roles beyond matrix degradation, influencing key cellular processes in the kidney.
  • Dysregulation of MMPs is a common feature across numerous kidney diseases.
  • Specific MMPs and their inhibitors are critical in conditions like acute kidney injury, diabetic nephropathy, and glomerulonephritis.

Conclusions:

  • MMPs are key regulators of kidney function and disease progression.
  • Understanding MMP roles offers potential therapeutic targets for renal pathologies.
  • Further research into MMP mechanisms is vital for developing novel kidney disease treatments.

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