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Abstract

Immunology and Infection

加德纳菌阴道膀胱暴露在小鼠中引发的复发性大肠杆菌尿路感染

Published: December 4th, 2020

DOI:

10.3791/61967

1Department of Molecular Microbiology, Washington University School of Medicine in Saint Louis, 2Center for Women’s Infectious Disease Research, Washington University School of Medicine in Saint Louis, 3Center for Cellular Imaging, Washington University School of Medicine in Saint Louis, 4Department of Obstetrics and Gynecology, Washington University School of Medicine in Saint Louis, 5Department of Pediatrics, Washington University School of Medicine in Saint Louis, 6Fred Hutchinson Cancer Research Center, 7TESCAN USA, Inc., 8University of California San Diego

Abstract

由泌尿致病性 大肠杆菌 (UPEC) 引起的复发性尿路感染 (rUTI) 很常见且费用高昂。以前描述雄性和雌性小鼠UTI模型的文章已经说明了尿液和组织中的细菌接种和计数程序。在C57BL / 6小鼠的初始膀胱感染期间,UPEC在膀胱上皮细胞内建立潜伏储库,这些储库在UPEC菌尿清除后持续存在。该模型建立在这些研究的基础上,以检查由潜伏膀胱储层内出现的UPEC引起的rUTI。在该模型中,泌尿生殖器细菌 加德纳菌 阴道被用作rUTI的触发因素,因为它经常存在于女性的泌尿生殖道中,特别是在与UTI相关的阴道生态失调的情况下。此外,还描述了一种原位膀胱固定然后对膀胱组织进行扫描电子显微镜(SEM)分析的方法,并有可能应用于涉及膀胱的其他研究。

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