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Updated: Sep 20, 2026

Analyses of Proteinuria, Renal Infiltration of Leukocytes, and Renal Deposition of Proteins in Lupus-prone MRL/lpr Mice
Published on: June 8, 2022
Complement and renal disease
L A Trouw1, M A Seelen, M R Daha
1Department of Nephrology, D3-P-39, Leiden University Medical Center, Albinusdreef 2, 2333 ZA Leiden, The Netherlands. latrouw@lumc.nl
Insights
The complement system significantly impacts kidney diseases, influencing their development and resolution. Understanding its components and pathways offers new avenues for managing renal conditions.
Area of Science:
- Nephrology
- Immunology
Background:
- The complement system plays a known role in renal disease.
- Its involvement was previously inferred from kidney deposition and circulating levels.
Purpose of the Study:
- To elucidate the modulating role of complement in the onset, development, and resolution of renal disease.
- To explore the function of individual complement components and activation pathways.
Main Methods:
- Review of recent studies on complement's role in renal disease.
- Analysis of complement component deposition in renal tissues.
- Monitoring of circulating complement levels during disease states.
Main Results:
- Complement system actively modulates renal disease progression and resolution.
- Specific complement components and activation pathways are implicated.
- Potential complement regulatory strategies are identified.
Conclusions:
- Complement system is integral to renal disease pathogenesis.
- Targeting complement pathways presents therapeutic opportunities for kidney diseases.
- Further research into complement regulation is crucial for clinical management.
Abstract:
The complement system is involved in several aspects of renal disease, including primary renal diseases, dialysis and renal transplant rejection. Initially, a role for complement in renal disease was inferred solely from the deposition of complement components in affected kidneys and changes in complement levels in the circulation during active disease. Recent studies have shown how complement modulates the onset, development and the resolution of renal disease. Current research provides clues on the role of individual complement components and activation pathways as well as possible modes of complement regulation in the management of renal disease.
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