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Celecoxib对细菌脂多糖促牙龈成纤维细胞生长抑制作用的研究

Stomatology(2006)

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Abstract
目的观察celecoxib对细菌脂多糖(Lipopolysaccharides,LPS)促人牙龈成纤维细胞(humangingivalfibroblasts,HGFs)生长作用的影响。方法采用细胞活性和增殖水平测定(WST)实验检测LPS及celecoxib对体外培养的HGFs生长的影响。结果LPS可促进HGFs的生长,其作用效果随LPS剂量的增加而增强,1.0,12.5、100.0LPS处理后HGFs的细胞生长率与阴性对照组相比分别为126.1%,164.5%和215.5%;celecoxib对LPS促HGFs生长的现象有明显的抑制作用,其抑制作用呈剂量依赖性关系,12.5μmol/L到100μmol/L的celecoxib处理可使LPS刺激的HGFs生长率降低至对照组的76.3%~30.3%。结论LPS可促进HGFs的生长;celecoxib能抑制LPS对HGFs的生长刺激作用。
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Key words
Lipopolysaccharides(LPS),celecoxib,human gingival fibroblasts (HGFs)
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