RT杂志文章SR电子T1铜绿假单胞菌与人类呼吸粘膜的互动体外JF欧洲呼吸杂志Jo EUR RESPIR J FD欧洲呼吸学会SP 1746 OP 1753 VO 7是10 A1 Tsang,KW A1 Rutman,A1 Tanaka,E A1 Lund188bet官网地址,v A1 Dewar,A1 Cole,PJ A1 Wilson,R YR 1994 UL //www.qdcxjkg.com/content/7/10/1746.abstract ab pseudomonas eruginosa通常感染患者囊性纤维化和支气管切除患者的气道。它产生几种毒素,慢睫状体搏动,刺激粘液生产和损伤上皮。它粘附上皮细胞,受损粘膜(在动物模型中)和粘液。然而,众所周知P.铜绿假单胞菌与完整的人呼吸粘膜的相互作用。我们研究了铜绿假单胞菌与腺样组织的非钢酸钙临床分离物的相互作用,该组织在一种新的器官培养模型中,空气粘膜间铜绿假单胞菌(5.9 +/- 0.9×10(6)菌落 - 成分单位(CFU))用潮湿的气氛,在37℃下孵育在器官培养物表面上,并在37℃下在37℃下孵育15分钟,1,2,4,8,12,16和24小时。通过传输和扫描电子显微镜进行评估。透射电子显微镜(TEM)显示未感染的器官培养物具有正常的超微结构。8小时的感染器官培养的TEM显示出显着的上皮损伤:43.9 +/- 10%从上皮表面挤出的细胞,17.7 +/- 3%的细胞,含纤毛损失,32.9 +/- 10.2%的细胞带线粒体损伤和11.6 +/- 3%的细胞质细胞质膨胀。P.铜绿假单胞菌仅常常粘附到正常上皮,但粘附在上皮损伤和地下膜的区域。 Scanning electron microscopy (SEM) of organ cultures up to 2 h found P. aeruginosa only infrequently associated with mucus. SEM at 4 h revealed P. aeruginosa predominantly associated with mucus and extruded damaged epithelial cells, but also occasionally associated with cilia, and very occasionally with unciliated cells.(ABSTRACT TRUNCATED AT 250 WORDS)