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Challenges in diagnosing acute calcineurin-inhibitor induced nephrotoxicity: from toxicogenomics to emerging

Nicolas Pallet1, Arjang Djamali, Christophe Legendre

  • 1Renal Transplant Unit and Intensive Care, Necker Hospital, Paris Descartes University, 145 rue de Sèvres, Paris, France. nicolas.pallet@parisdescartes.fr

Pharmacological Research
|April 9, 2011
PubMed

Insights

Calcineurin inhibitors (CNIs) can harm kidneys after transplants. New research suggests epithelial-to-mesenchymal transition and endoplasmic reticulum stress may serve as early diagnostic markers for CNI nephrotoxicity.

Area of Science:

  • Nephrology
  • Toxicology
  • Genomics

Background:

  • Calcineurin inhibitors (CNIs) are crucial immunosuppressants post-transplantation.
  • CNI use can lead to renal afferent arteriole vasoconstriction, causing functional and structural kidney damage.
  • Early diagnosis of CNI-induced nephrotoxicity is critical but currently lacks reliable methods.

Purpose of the Study:

  • To review advancements in toxicogenomic studies for early CNI nephrotoxicity detection.
  • To identify novel biomarkers for tubular cell injury caused by CNIs.

Main Methods:

  • Review of recent toxicogenomic research findings.
  • Identification of molecular pathways associated with CNI-induced kidney injury.

Main Results:

  • Epithelial-to-mesenchymal transition (EMT) and endoplasmic reticulum (ER) stress identified as potential early markers.
  • These markers reflect tubular cell responses to CNI-induced injury.

Conclusions:

  • EMT and ER stress detection may enable early diagnosis of CNI nephrotoxicity.
  • Early diagnosis could facilitate switching to alternative immunosuppressants with better renal safety profiles.

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