PMID: 19149925Jan 20, 2009Paper

Relationship between glomerular nephrin expression and oxidative stress reaction in rats with adriamycin-induced nephrosis

Zhongguo dang dai er ke za zhi = Chinese journal of contemporary pediatrics
Ying Zhu, Ling Lu

Abstract

It has been proposed that nephrotic syndrome is a consequence of an imbalance between oxidant and anti-oxidant activity. Nephrin plays an important role in maintaining glomerular filtration barrier. This study aimed to explore the relationship between the expression of glomerular nephrin and oxidative stress reaction in rats with adriamycin (ADR)-induced nephrosis, and the protection of prednisone and vitamin E against renal injuries. Nephrosis was induced by single intravenous injection of ADR (5 mg/kg). The prednisone intervention group was administered with prednisone (10 mg/kg daily) between 1 and 4 weeks after ADR injection. The vitamin E intervention group received vitamin E of 20 mg/kg daily from 1 week before ADR injection till to 4 weeks after ADR injection. Control rats were intravenously injected with normal saline. After 7, 14, 21 and 28 days of ADR injection, the indexes of oxidative stress reaction of the renal cortex, malondialdehyde (MDA), superoxide dismutase (SOD) and total antioxidative capacity (T-AOC), were measured using the chemical chromatometry. The protein expression of glomerular nephrin was measured by immunohistochemistry. Prednisone or vitamin E treatment reduced urinary protein from 14 days to 28 ...Continue Reading

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