货号	规格	价格	上海	北京	珠海	重庆	武汉	购买数量
T23313-1mg	98%	￥7990.00 T23313-1mg ￥7990.00 2-4周	0 货期：2-4周	-	-	-	-

货号

规格

价格

上海

北京

珠海

重庆

武汉

购买数量

T23313-1mg

98%

￥7990.00

货期：2-4周

体内研究：

The present experiment is designed to assess the potential chemopreventive properties of Tilmacoxib (JTE-522), a new selective cyclooxygenase-2 inhibitor, on the induction of 1,2-dimethylhydrazine (DMH)-induced colonic aberrant crypt foci (ACF), a marker of rat colon carcinogenesis. A total of 80 male F344 rats are treated with 3 or 10 mg/kg of body weight Tilmacoxib or vehicle by oral gavage five times weekly from the start of the experiment. One week later, rats receive s.c. injections of saline or 20 mg/kg of body weight DMH once weekly for four successive weeks. At the end of 12 weeks after the start of experiment, all rats are sacrificed and colons are evaluated for ACF. 10 mg/kg Tilmacoxib significantly suppresses the total ACF/colon. No inhibitory effect is observed in the 3 mg/kg Tilmacoxib treatment group. Administration of 10 mg/kg Tilmacoxib significantly suppresses ACF formation with a 30% reduction in total ACF/colon (p<0.01). Furthermore, the data on crypt multiplicity show that 10 mg/kg Tilmacoxib significantly reduces the formation of foci containing 1-3 crypts but not foci containing four crypts or more. Administration of the low dose of Tilmacoxib (3 mg/kg) has no inhibitory effects on either the total ACF or crypt multiplicity.

参考文献：

1. Wakitani K, et al. Profile of JTE-522 as a human cyclooxygenase-2 inhibitor. Jpn J Pharmacol. 1998 Nov;78(3):365-71.
2. Hirose M, et al. Inhibition of proliferation of gastric epithelial cells by a cyclooxygenase 2 inhibitor, JTE522, is also mediated by a PGE2-independent pathway. Aliment Pharmacol Ther. 2002 Apr;16 Suppl 2:83-9.
3. Wei M, et al. Chemopreventive effect of JTE-522, a selective cyclooxygenase-2 inhibitor, on 1, 2-dimethylhydrazine-induced rat colon carcinogenesis. Cancer Lett. 2003 Dec 8;202(1):11-6.

保存条件：

配置溶液浓度参考：

	1mg	5mg	10mg
1 mM	2.955 ml	14.775 ml	29.551 ml
5 mM	0.591 ml	2.955 ml	5.91 ml
10 mM	0.296 ml	1.478 ml	2.955 ml
50 mM	0.059 ml	0.296 ml	0.591 ml

注意：

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参考文献

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分子摩尔量

计算重置

4-(4-cyclohexyl-2-methyl-1,3-oxazol-5-yl)-2-fluoro-benzenesulfonamide