
Intracellular Bacterial Communities: A Potential Etiology for …
Exfoliated pods and filamentous bacteria, stages of the IBC cycle, have been identified in the urine of patients with positive and negative urine cultures. 37-41 UTIs have a strong propensity to recur, and numerous studies have shown that most recurrent UTIs are caused by the same bacterial strain as the initial infection. 42-44 More ...
eLife | 膀胱类器官和膀胱芯片研究尿路感染 - 知乎
科学家们知道,它们是从细胞内细菌群落(IBC)开始的,这些生长在膀胱壁细胞内的细菌群落会自由爆发,释放出一种传染性 级联反应,最终到达膀胱深层,在那里形成静止的细胞内储库(QIR)。 然而,科学家们还不能详细观察这些事件。 因此,科学家们对如何预防或消除QIR知之甚少,QIR因促进 抗生素耐药性 和引起反复感染而臭名昭著。 根据 洛桑联邦理工学院 (EPFL)的科学家们的说法,如果使用更好的UTI感染模型,可以更仔细地研究UTI动力学。 …
Detection of Intracellular Bacterial Communities in Human
2007年12月18日 · In this study we sought to determine whether evidence of an IBC pathway could be found in urine specimens from women with acute UTI. We collected midstream, clean-catch urine specimens from 80 young healthy women with acute uncomplicated cystitis and 20 asymptomatic women with a history of UTI.
南开冯露/王磊团队发现有效抑制致病性大肠杆菌引发尿路感染的新 …
2022年5月1日 · 尿路感染(urinary tract infection,UTI)引起严重疾病,具有感染人数多(仅次于呼吸道和消化道感染)和反复感染(即使在抗生素治疗后,仍有30~50%的患者出现反复性发作)的特点,给很多病人造成终生痛苦,给医疗资源带来了极大负担。
检测人类尿路感染中的细胞内细菌群落。,PLOS Medicine - X-MOL
2007年12月1日 · 虽然 UTI 通常被认为是细胞外感染,但最近已经证明 UPEC 与鼠膀胱尿路上皮结合、侵入和复制,以形成细胞内细菌群落 (IBC)。 这些 IBC 解离,细菌从膀胱小面细胞中流出,其中一些具有丝状形态,并最终建立静止的细胞内水库,可以播种复发性感染。 这种 IBC 致病循环尚未在人类中进行过研究。 在这项研究中,我们试图确定是否可以在患有急性 UTI 的女性的尿液样本中发现 IBC 通路的证据。 方法和发现我们收集了中游,来自 80 名患有急性无并发症膀胱炎 …
Detection of intracellular bacterial communities in human urinary …
The presence of exfoliated IBCs and filamentous bacteria in the urines of women with acute cystitis suggests that the IBC pathogenic pathway characterized in the murine model may occur in humans. The findings support the occurrence of an intracellular bacterial niche in some women with cystitis that …
Metabolic Requirements of Escherichia coli in Intracellular Bacterial ...
During a UTI, UPEC invade bladder cells and form an intracellular bacterial community (IBC) that allows for the bacteria to replicate protected from the host immune response. In this study, we investigated genes that are expressed by UPEC within the IBC and determined how they contribute to the formation of this specialized community.
Detection of Intracellular Bacterial Communities in Human Urinary Tract ...
In this study we sought to determine whether evidence of an IBC pathway could be found in urine specimens from women with acute UTI. We collected midstream, clean-catch urine specimens from 80 young healthy women with acute uncomplicated cystitis and 20 asymptomatic women with a history of UTI.
内部细菌导致尿路感染复发 - 科学网
在利用动物模型进行研究后,美国科学家日前在《公共科学图书馆·医学》(PLoS Medicine)上报告说,他们找到了证据,表明在UTI患者的膀胱中存在着细胞内的细菌小生境,这一发现对于传染病的复发研究及其治疗具有重要意义。 UTI最初由尿路致病性大肠埃希菌(UPEC)引起,每年大约有1300万名美国妇女被这种细菌感染,同时造成大量的经济损失以及发病率居高不下。 通常认为,大多数复发感染是由来自排泄物细菌群落中最初感染的UPEC菌株的存留所导致的,这些 …
Research : WUSTL Hultgren Lab - Washington University in St. Louis
In our interdisciplinary research program, we have combined clinical and basic science approaches to detail a highly complex acute pathogenic cycle for uropathogenic Escherichia coli (UPEC), the most common causative agent of UTIs and the host response to infection.