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Interferon treatment on glomerulonephritis associated with hepatitis C virus
S Matsumoto1, S Nakajima, K Nakamura
1Department of Pediatrics, D-5, Developmental Medicine, Osaka University Graduate School of Medical Science, Suita, Osaka, 565-0871, Japan.
Insights
Hepatitis C virus (HCV) infection in a child caused glomerulonephritis. Interferon-alpha therapy reduced proteinuria but did not improve kidney pathology, indicating a partial treatment effect.
Area of Science:
- Nephrology
- Virology
- Immunology
Background:
- Hepatitis C virus (HCV) infection can cause glomerulonephritis in children.
- Renal biopsy is crucial for diagnosing and monitoring kidney disease progression.
Observation:
- A 10-year-old girl with HCV-associated glomerulonephritis underwent two renal biopsies.
- Initial biopsy revealed mild mesangial hypercellularity.
- After 6 months of interferon-alpha therapy, proteinuria resolved.
Findings:
- Despite complete resolution of proteinuria, the second renal biopsy showed advanced mesangial proliferation.
- Interferon-alpha demonstrated efficacy in managing proteinuria.
Implications:
- Interferon-alpha may be a viable treatment for proteinuria in pediatric HCV-associated glomerulonephritis.
- Further research is needed to understand the discrepancy between clinical and pathological responses to therapy.
Abstract:
We report on a 10-year-old girl with glomerulonephritis associated with hepatitis C virus infection, who was treated with interferon-alpha. On the first renal biopsy at 8 years of age, mild mesangial hypercellularity in a segmental to semiglobal pattern was present in all glomeruli. After 6 months interferon-alpha therapy, proteinuria diminished completely. However, mesangial proliferation was advanced on the second biopsy at 10 years of age. We concluded that the interferon-alpha was effective in the treatment of proteinuria despite the lack of pathological improvement.