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Effects of Talc on Cyclophosphamide-Induced Cystitis in the Rat  

Ryu, Ji-Won (Department of Anatomy, College of Oriental Medicine, Dong-Eui University)
Hong, Eun-Suk (Yangcheon Elementary School)
Choi, Yung-Hyun (Department of Biochemistry, College of Oriental Medicine, Dong-Eui University)
Lee, Yong-Tae (Department of Physiology.Biomedical Research Center of Oriental Medicine, College of Oriental Medicine, dong-Eui University)
Choi, Byung-Tae (Department of Anatomy, College of Oriental Medicine, Dong-Eui University)
Publication Information
Journal of Physiology & Pathology in Korean Medicine / v.19, no.2, 2005 , pp. 429-433 More about this Journal
Abstract
We investigated the effects of aqueous extract from talc for suppression in the process of cyclophosphamide-induced cystitis in the rat. The weight of urinary bladder was increased in the cyclophosphamide-injected rat compared with normal, but the increase of weight was arrested by intake of talc. More similar results showed in the uric test involving nitrate content and blood cell number and serum analysis involving the content of blood urea nitrogen and uric acid in the talc challenged rat compared with control one. More severe histological changes of urinary bladder such as edema, wall thickness, bleeding, vacuolation in mucosal epithelium were demonstrated in the rat injected with cyclophosphamide compared with normal. Fewer scores of these changes such as edema and bleeding were observed in rats treated with talc. In the immunohistochemical analysis, the expression of inflammatory-related protein examined tended to increase in the urinary bladder of cyclophosphamide-injected rat, especially COX-2 and $TNF-{\alpha}$ in mucosal epithelium and iNOS and $IL-1{\beta}$ in mucosal and muscular layer. The decline of these immunoreation were observed in the talc treated rat, significant decrease of COX-2 was detected in mucosal epithelium and iNOS in submucosal layer. These results suggest that talc may use as a useful therapeutic agent for noninfectious cystitis.
Keywords
Talc; Cyclophosphamide; Cystitis;
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