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脂多糖调节牙周膜成纤维细胞骨涎蛋白基因表达 被引量:1

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摘要 目的研究不同浓度的牙龈卟啉单胞菌(Porphyromonasgingivalis,P.gingivalis)脂多糖(Lipopolysaccharide,LPS)调节人牙周膜细胞(hPDLFs)中骨涎蛋白(Bonesialoprotein,BSP)基因表达的影响。方法采用组织块法原代培养hPDLFs,取第4代细胞在含有10%胎牛血清(FCS)的DMEM培养基中培养至完全融合后,分别用O.01、0.1、1、10、100mg/LP.g.LPS作用hPDLFslOh,实时荧光定量PCR检测骨涎蛋白基因(BSPmRNA)的表达水平。结果组织块法hPDLFs原代培养5~8d后,可见典型细长梭形细胞从组织块边缘呈放射状游离出来,第4代传代细胞伸展贴壁良好;0.0l、0.Olmg/LP.g.LPS刺激hPDLFsloh后BSPmRNA表达略有升高,但差异无统计学意义(Jp〉0.05);而10、100mg/LP.g.LPS刺激BSPmRNA表达显著降低,差异有统计学意义(尸〈0.01)。结论不同浓度的P.g.LPS对人hPDLFs中BSP基因表达有不同影响,高浓度P.g.LPS明显降低BSP基因的表达水平。
作者 李新月
出处 《中国城乡企业卫生》 2014年第1期51-54,共4页 Chinese Journal of Urban and Rural Enterprise Hygiene
基金 天津市卫生局科技基金(09KY20)
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