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Published on: December 9, 2021
Cytokines and cell adhesion molecules in the inflammatory response during acute pyelonephritis
Nicholas J A Webb1, Paul E C Brenchley
1Department of Paediatric Nephrology, Royal Manchester Children's Hospital, Manchester, UK. n.webb@doctors.org.uk
Insights
Urinary tract infections can cause kidney scarring in children, potentially leading to kidney failure. This review explores how inflammation, cytokines, and cellular responses influence scarring outcomes in acute pyelonephritis.
Area of Science:
- Pediatric Nephrology
- Infectious Diseases
- Immunology
Background:
- Urinary tract infections (UTIs) are common in children.
- Renal scarring, a complication of UTIs, contributes to pediatric end-stage renal failure.
- The reasons for variable scarring outcomes after acute pyelonephritis are unclear.
Purpose of the Study:
- To review the roles of cytokines, adhesion molecules, and growth factors in pyelonephritis-induced renal scarring.
- To hypothesize the influence of inter-individual cellular response variability on clinical outcomes.
Main Methods:
- Literature review of inflammatory mediators in acute pyelonephritis.
- Analysis of factors contributing to renal parenchymal scarring.
- Exploration of cellular response variability.
Main Results:
- Cytokines, adhesion molecules, and growth factors are key players in the inflammatory response during acute pyelonephritis.
- These mediators influence the development of renal parenchymal scarring.
- Variability in cellular responses may explain differing outcomes.
Conclusions:
- Understanding the inflammatory cascade is crucial for preventing renal scarring after UTIs.
- Inter-individual differences in cellular responses are hypothesized to be a significant factor in variable clinical outcomes.
- Further research into cellular mechanisms could lead to targeted therapies to prevent kidney damage.
Abstract:
Urinary tract infection is a common bacterial infection of childhood. Renal parenchymal scarring, a recognised complication of urinary tract infection, is responsible for up to 24% of children entering end-stage renal failure. Why acute inflammation results in renal scarring in some children whilst in others complete resolution occurs without scarring is at present poorly understood. This article reviews the role of the cytokines, adhesion molecules and growth factors in the inflammatory response during acute pyelonephritis and renal parenchymal scarring. We hypothesize that inter-individual variability in cellular response may in part be responsible for this variable clinical outcome.
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