2009
DOI: 10.1016/j.chom.2009.04.005
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Bone Morphogenetic Protein 4 Signaling Regulates Epithelial Renewal in the Urinary Tract in Response to Uropathogenic Infection

Abstract: Summary The transitional epithelium of the bladder normally turns over slowly but, upon injury, undergoes rapid regeneration, fueled by basal uroepithelial stem and/or early progenitor cells (USCs). Little is known about the mechanisms underlying the injury response. Here, we investigate the mechanism of bladder epithelial regeneration in response to infection with uropathogenic E. coli (UPEC). We show that infection resulted in rapid sloughing of superficial cells, a marked inflammatory response, and a substa… Show more

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Cited by 108 publications
(158 citation statements)
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“…Recent reports that BMP signalling regulates epithelial regeneration following damage in the adult zebrafish liver and mouse bladder support this hypothesis [9,10]. In the present study, we investigated whether BMP signalling is activated in airway epithelial cells in vivo following acute lung injury and the timing of such activation during regeneration relative to inflammation, epithelial damage and reepithelialisation.…”
Section: Introductionmentioning
confidence: 78%
“…Recent reports that BMP signalling regulates epithelial regeneration following damage in the adult zebrafish liver and mouse bladder support this hypothesis [9,10]. In the present study, we investigated whether BMP signalling is activated in airway epithelial cells in vivo following acute lung injury and the timing of such activation during regeneration relative to inflammation, epithelial damage and reepithelialisation.…”
Section: Introductionmentioning
confidence: 78%
“…We have been able to establish MOI conditions in vitro, however, that demonstrate that host cells also proliferate, as they do during clinical infection. 44 Importantly, our assessments of epigenetic responses begin several days following inoculation to allow for bacterial internalization, which characterizes clinical persistence of infection. In this sense, the model is being studied for responses to persistent infection, as the clinical persistent infection phase is characterized by the presence of intracellular bacteria colonies.…”
Section: Discussionmentioning
confidence: 99%
“…Urothelial tissue regeneration is an important step in the resolution of UTIs (37). We analyzed bladder tissue sections from control and Atg16L1 HM mice at 6 and 14 dpi and found that, relative to uninfected bladders from control and Atg16L1 HM mice (Fig.…”
Section: Atg16l1 Deficiency Leads To Rapid Clearance Of Bacteriuria Andmentioning
confidence: 99%
“…UTI89, a pathogenic UPEC strain (27,37), was used for all studies. Adult female mice (8-10 wk old) were anesthetized and inoculated transurethrally with 10 7 cfu UTI89 in PBS.…”
mentioning
confidence: 99%