Treating crescentic glomerulonephritis by targeting macrophages

Anqun Chen1, Kyung Lee2, John Cijiang He3

  • 1Department of Nephrology, Hunan Key Laboratory of Kidney Disease and Blood Purification, Institute of Nephrology, The Second Xiangya Hospital at Central South University, Changsha, Hunan, China.

Kidney International
|November 21, 2022
PubMed

Insights

Disulfiram, a FROUNT inhibitor, shows promise in treating crescentic glomerulonephritis (GN). It reduces kidney macrophage infiltration by blocking the FROUNT-CCR2 interaction, thereby inhibiting monocyte migration and activation.

Area of Science:

  • Nephrology
  • Immunology
  • Pharmacology

Background:

  • Macrophage accumulation in the kidney drives crescentic glomerulonephritis (GN) progression.
  • Monocytes are the primary source of these infiltrating kidney macrophages.
  • FROUNT protein enhances macrophage infiltration via the C-C motif chemokine receptor 2 (CCR2) pathway.

Purpose of the Study:

  • To investigate the therapeutic potential of disulfiram, a FROUNT inhibitor, in treating crescentic GN.
  • To elucidate the mechanism by which disulfiram affects macrophage infiltration and activation in GN.

Main Methods:

  • Administration of disulfiram to inhibit FROUNT.
  • Assessment of macrophage infiltration and activation in a crescentic GN model.
  • Evaluation of the interaction between FROUNT and CCR2.

Main Results:

  • Disulfiram treatment attenuated GN.
  • Inhibition of the FROUNT-CCR2 interaction was observed.
  • Disulfiram reduced macrophage migration and activation in the kidneys.

Conclusions:

  • Disulfiram demonstrates a therapeutic effect in crescentic GN by inhibiting FROUNT.
  • Targeting the FROUNT-CCR2 interaction offers a potential therapeutic strategy for GN.
  • Disulfiram warrants further investigation as a treatment for crescentic GN.