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Updated: May 2, 2026
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Identification of the Source of Secreted Proteins in the Kidney by Brefeldin A Injection
Published on: November 10, 2021
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Interaction between systemic inflammation and renal tubular epithelial cells
Vincenzo Cantaluppi1, Alessandro Domenico Quercia1, Sergio Dellepiane1
1Nephrology, Dialysis and Kidney Transplantation Unit, Department of Medical Sciences, University of Torino, Turin, Italy.
Summary
Systemic inflammation damages kidney tubular epithelial cells (TECs), potentially causing acute kidney injury and chronic kidney disease. TECs also contribute to inflammation, worsening kidney damage and affecting other organs.
Area of Science:
- Nephrology
- Immunology
- Cell Biology
Background:
- Systemic inflammation targets tubular epithelial cells (TECs), a key factor in acute kidney injury (AKI).
- TECs play a role in responding to inflammatory mediators during ischemic and septic kidney damage.
- Apoptosis or epithelial-to-mesenchymal transition in TECs can drive chronic kidney disease (CKD) progression.
Purpose of the Study:
- To review the multifaceted response of tubular epithelial cells (TECs) to systemic inflammation.
- To elucidate the contribution of TECs to the propagation of inflammatory responses.
- To discuss the dual role of TECs in kidney injury and disease progression.
Main Methods:
- Literature review of studies on tubular cell response to inflammation.
- Analysis of mechanisms linking TECs to AKI and CKD.
- Examination of TECs' role in producing inflammatory mediators.
Main Results:
- TECs are both targets and active participants in inflammatory kidney damage.
- TEC dysfunction and loss contribute to AKI and CKD.
- TECs can amplify inflammation, impacting local and systemic health.
Conclusions:
- Tubular epithelial cells are central players in the pathogenesis of kidney inflammation and injury.
- Understanding TEC responses is crucial for developing therapies for kidney diseases.
- TECs' active role in inflammation highlights their significance beyond passive targets.
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