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Abstract Title:

[Effect of curcumin on extracellular matrix accumulation in the glomeruli in nephrotoxic sera nephritis rats].

Abstract Source:

Clin Cancer Res. 2009 Feb 15;15(4):1123-5. PMID: 15339499

Abstract Author(s):

Hua-Ying Bao, Rong-Hua Chen, Song-Ming Huang, Ai-Hua Zhang, Mei Guo, Li Fei, Xiao-Qing Pan

Article Affiliation:

Department of Nephrology Nanjing Children's Hospital, Nanjing Medical University, Nanjing, Jiangsu Province 210008, China. baohy67@hotmail.com

Abstract:

OBJECTIVE: To observe whether curcumin could inhibit the accumulation of the collagen IV and fibronectin in the glomeruli in nephrotoxi sera nephritis rats.

METHODS: Seventy-two healthy male Sprague-Dawley rats were divided into three groups, with 24 animals in each group. For normal control group, normal saline (0.5 ml/d) was injected through intra-caudal-vein for two days, and at the same time normal saline (0.5 ml/kg) was also daily administered intraperitoneally. For nephrotoxic sera nephritis group, nephrotoxic sera (0.5 ml/d) was injected through the tail vein for two days and dimethyl sulfoxide (0.5 ml/kg) was given intraperitoneally daily. For curcumin group, nephrotoxic sera was injected as above and meanwhile curcumin (50 mg.kg(-1).d(-1)) was administered intraperitoneally every day. Six rats in each group were killed on the 3rd, 7th, 14th and 28th day. Their renal tissue was fixed in 10% formalin for examining the expression of collagen IV and fibronectin.

RESULTS: Minimal staining of collagen IV and fibronectin was detected in the basement membrane of normal control rats glomeruli. In the nephrotoxic sera nephritis rats and curcumin treated nephrotoxic sera nephritis rats, the accumulation of collagen IV and fibronectin was increased progressively, with significant difference in the accumulation of collagen IV (P<0.01) between these two groups at the same time points, while the significant difference in fibronectin accumulation (P<0.05) appeared only after the 7th days.

CONCLUSION: Curcumin can reduce the accumulation of collagen IV and fibronectin in the glomeruli. Hence we postulated that curcumin might have beneficial effect for retarding glomerulosclerosis.

Study Type : Animal Study
Additional Links
Pharmacological Actions : Renoprotective : CK(572) : AC(254)

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Sayer Ji
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Depression: 21st Century Solutions + The Dark Side of Wheat

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