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Key metalloproteinase-mediated pathways in the kidney.

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Matrix metalloproteinases (MMPs) and a disintegrin and metalloproteinases (ADAMs) are key in kidney disease. Targeting specific MMPs and ADAMs shows promise for treating kidney fibrosis.

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Area of Science:

  • Biochemistry
  • Molecular Biology
  • Nephrology

Background:

  • Matrix metalloproteinases (MMPs) and a disintegrin and metalloproteinases (ADAMs) are zinc-dependent enzymes involved in tissue remodeling and signaling.
  • Dysregulation of MMPs and ADAMs is implicated in acute and chronic kidney diseases.
  • These proteases can play both detrimental and protective roles in kidney pathology.

Purpose of the Study:

  • To review the role of MMPs and ADAMs in kidney disease.
  • To identify specific MMPs and ADAMs with profibrotic effects as potential therapeutic targets.
  • To discuss the evolution of therapeutic strategies for targeting these enzymes in fibrotic kidney diseases.

Main Methods:

  • Review of existing literature on MMPs and ADAMs in kidney disease models.
  • Analysis of genetic targeting studies in mouse models of kidney disease.
  • Examination of profibrotic pathways associated with specific MMPs and ADAMs.

Main Results:

  • MMP-2, MMP-7, MMP-9, ADAM10, and ADAM17 exhibit predominantly profibrotic effects in kidney disease.
  • These proteases are linked to distinct profibrotic pathways including Wnt-β-catenin and EGFR signaling.
  • Targeting these specific proteases may offer a more refined therapeutic approach compared to broad-spectrum inhibitors.

Conclusions:

  • Specific MMPs and ADAMs are key drivers of kidney fibrosis and represent viable therapeutic targets.
  • Targeted inhibition strategies, such as antibodies, are emerging as safer alternatives to broad-spectrum inhibitors.
  • Advances in understanding MMP/ADAM roles encourage further preclinical and clinical research in fibrotic kidney diseases.