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Adherence properties of lactic acid bacteria to endometrial epithelial cells and their antagonistic activity against pathogenic bacteria
Author(s): BAI Dong-ning, QI Xue-feng, ZHAO Xian-jun, DUAN Lian-mao, JIN Ya-ping, LI Yi, WANG Da-hui, WANG Fang
Pages: 116-
120
Year: 2011
Issue:
2
Journal: Chinese Journal of Veterinary Science and Technolo
Keyword: 乳酸菌; 永生化子宫内膜上皮细胞; 黏附; 黏附拮抗;
Abstract: 以永生化山羊子宫内膜上皮细胞作为体外模型,采用革兰氏染色法观察乳酸菌和致病菌对子宫内膜上皮细胞的黏附特性;通过平板计数法观察乳酸菌对致病菌的黏附拮抗作用。结果显示,嗜酸乳杆菌、粪肠球菌、盲肠肠球菌对子宫内膜上皮细胞均表现出很强的黏附特性,黏附细菌数分别为每个细胞87、45、34个。黏附拮抗试验显示,3株乳酸菌均使致病菌的黏附率显著降低。其中嗜酸乳杆菌对大肠杆菌的黏附拮抗作用最强,使C83903的黏附率由38.33%下降至9.95%,ATCC25922的黏附率由65.42%下降至8.27%。粪肠球菌和盲肠肠球菌对金黄色葡萄球菌的黏附率由86.18%分别下降至8.71%、8.63%。证实永生化山羊子宫内膜上皮细胞作为细菌黏附性能研究的体外模型是有效可行的。
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