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Updated: Aug 9, 2025

A Large Animal Model for Acute Kidney Injury by Temporary Bilateral Renal Artery Occlusion
Published on: February 2, 2021
Tight junctions and acute kidney injury
Wei Wei1, Weiying Li2, Letian Yang1
1Division of Nephrology and Kidney Research Institute, West China Hospital, Sichuan University, Chengdu, Sichuan, China.
Acute kidney injury (AKI) involves kidney function decline due to tubular cell issues. Targeting tight junctions (TJs) may offer new therapeutic strategies for AKI.
Area of Science:
- Nephrology
- Cell Biology
- Molecular Medicine
Background:
- Acute kidney injury (AKI) is a clinical syndrome defined by a rapid decline in kidney function.
- Tubular epithelial cell (TEC) dysfunction is a key factor in AKI development.
- Tight junctions (TJs) are crucial for maintaining the integrity and selective permeability of the renal tubular epithelium.
Purpose of the Study:
- To explore the role of tight junction (TJ) dysregulation in acute kidney injury (AKI) pathogenesis.
- To investigate the potential of TJs as therapeutic targets for AKI.
Main Methods:
- Review of existing literature on AKI and TJ biology.
- Analysis of studies examining TJ protein alterations in various AKI models.
- Evaluation of the impact of renoprotective agents on TJ integrity.
Main Results:
- TJ proteins are frequently dysregulated in diverse AKI etiologies.
- Renoprotective drugs have demonstrated the ability to restore TJ structure and function following injury.
- Understanding TJ regulation offers insights into AKI mechanisms.
Conclusions:
- Tight junction integrity is vital for renal tubular barrier function and is compromised in AKI.
- Modulating TJ proteins presents a promising avenue for novel AKI therapeutic interventions.
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