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| Title: | A traditional Chinese herbal antilithic formula, Wulingsan, effectively prevents the renal deposition of calcium oxalate crystal in ethylene glycol-fed rats |
| Authors: | Tsai, CH (Tsai, Chou-Huang);Chen, YC (Chen, Yu-Cheng);Chen, LD (Chen, Lieh-Der);Pan, TC (Pan, Tien-Chien);Ho, CY (Ho, Chien-Yi);Lai, MT (Lai, Ming-Tsung);Tsai, FJ (Tsai, Fuu-Jen);Chen, WC (Chen, Wen-Chi) |
| Contributors: | Department of Biotechnology |
| Keywords: | calcium oxalate;ethylene glycol;traditional Chinese medicine;urinary stone;Wulingsan;IN-VITRO;UROLITHIASIS;HYPEROXALURIA;OSTEOPONTIN;PREVALENCE;EXPRESSION;EXTRACT;KIDNEY |
| Date: | 2008-02 |
| Issue Date: | 2010-03-26 02:30:03 (UTC+0) |
| Publisher: | Asia University |
| Abstract: | We investigated the effects of a traditional Chinese herbal formula, Wulingsan (WLS), on renal stone prevention using an ethylene glycol-induced nephrocalcinosis rat model. Forty-one male Sprague-Dawley (SD) rats were divided into four groups. Group 1 (n = 8) was the normal control; group 2 (n = 11) served as the placebo group, and received a gastric gavage of starch and 0.75% ethylene glycol (EG) as a stone inducer; group 3 received EG and a low dose of WLS (375 mg/kg); and group 4 received EG and a high dose of WLS (1,125 mg/kg). Baseline and final 24 h urine samples were collected individually; biochemical data of urine and serum were also obtained at the beginning and at the end of the experiment. After 4 weeks, animals were killed and kidneys were harvested. The kidney specimens were examined by polarized light microscopy and the crystal deposits were evaluated by a semi-quantitative scoring method using computer software (ImageScoring). The results revealed that the rats of placebo group gained the least significant body weight; in contrast, the rats of WLS-fed groups could effectively reverse it. The placebo group exhibited lower levels of free calcium (p = 0.059) and significantly lower serum phosphorus (p = 0.015) in urine than WLS-fed rats. Histological findings of kidneys revealed tubular destruction, damage and inflammatory reactions in the EG-water rats. The crystal deposit scores dropped significantly in the WLS groups, from 1.40 to 0.46 in the low-dose group and from 1.40 to 0.45 in the high-dose group. Overall, WLS effectively inhibited the deposition of calcium oxalate (CaOx) crystal and lowered the incidence of stones in rats (p = 0.035). In conclusion, WLS significantly reduced the severity of calcium oxalate crystal deposits in rat kidneys, indicating that Wulingsan may be an effective antilithic herbal formula. |
| Relation: | UROLOGICAL RESEARCH, 36 (1): 17-24 |
| Appears in Collections: | [生物科技學系] 期刊論文
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