Mechanisms of bacillary dysentery: lessons learnt from infant rabbits

The bacterial pathogen Shigella flexneri causes more than 250 million cases of bacillary dysentery (blood in stool) every year across the world. This human-specific disease is characterized by profuse bloody diarrhea, dramatic ulceration of the colonic epithelium and immune cell infiltration of the...

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Main Authors: Lauren K. Yum, Hervé Agaisse
Format: Article
Language:English
Published: Taylor & Francis Group 2020-05-01
Series:Gut Microbes
Subjects:
Online Access:http://dx.doi.org/10.1080/19490976.2019.1667726
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author Lauren K. Yum
Hervé Agaisse
author_facet Lauren K. Yum
Hervé Agaisse
author_sort Lauren K. Yum
collection DOAJ
description The bacterial pathogen Shigella flexneri causes more than 250 million cases of bacillary dysentery (blood in stool) every year across the world. This human-specific disease is characterized by profuse bloody diarrhea, dramatic ulceration of the colonic epithelium and immune cell infiltration of the colonic tissue. A major challenge in understanding the mechanisms supporting bacillary dysentery is the reliance on animal models that do not fully recapitulate the symptoms observed in humans, including bloody diarrhea. Here we outline advances provided by a recently developed infant rabbit model of bacillary dysentery. The infant rabbit model defines bacillary dysentery as a critical combination of massive vascular lesions and dramatic epithelial fenestration due to intracellular infection and cell-to-cell spread, respectively. The infant rabbit model provides an unprecedented framework for understanding how the cell biology of Shigella flexneri infection relates to pathogenesis.
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spelling doaj.art-8010567f7e604578ab7f102dc727e7cc2022-12-21T20:48:04ZengTaylor & Francis GroupGut Microbes1949-09761949-09842020-05-0111359760210.1080/19490976.2019.16677261667726Mechanisms of bacillary dysentery: lessons learnt from infant rabbitsLauren K. Yum0Hervé Agaisse1University of Virginia School of MedicineUniversity of Virginia School of MedicineThe bacterial pathogen Shigella flexneri causes more than 250 million cases of bacillary dysentery (blood in stool) every year across the world. This human-specific disease is characterized by profuse bloody diarrhea, dramatic ulceration of the colonic epithelium and immune cell infiltration of the colonic tissue. A major challenge in understanding the mechanisms supporting bacillary dysentery is the reliance on animal models that do not fully recapitulate the symptoms observed in humans, including bloody diarrhea. Here we outline advances provided by a recently developed infant rabbit model of bacillary dysentery. The infant rabbit model defines bacillary dysentery as a critical combination of massive vascular lesions and dramatic epithelial fenestration due to intracellular infection and cell-to-cell spread, respectively. The infant rabbit model provides an unprecedented framework for understanding how the cell biology of Shigella flexneri infection relates to pathogenesis.http://dx.doi.org/10.1080/19490976.2019.1667726shigella flexneribacillary dysenteryt3sscell-to-cell spreadrabbitepithelial fenestrationvascular lesion
spellingShingle Lauren K. Yum
Hervé Agaisse
Mechanisms of bacillary dysentery: lessons learnt from infant rabbits
Gut Microbes
shigella flexneri
bacillary dysentery
t3ss
cell-to-cell spread
rabbit
epithelial fenestration
vascular lesion
title Mechanisms of bacillary dysentery: lessons learnt from infant rabbits
title_full Mechanisms of bacillary dysentery: lessons learnt from infant rabbits
title_fullStr Mechanisms of bacillary dysentery: lessons learnt from infant rabbits
title_full_unstemmed Mechanisms of bacillary dysentery: lessons learnt from infant rabbits
title_short Mechanisms of bacillary dysentery: lessons learnt from infant rabbits
title_sort mechanisms of bacillary dysentery lessons learnt from infant rabbits
topic shigella flexneri
bacillary dysentery
t3ss
cell-to-cell spread
rabbit
epithelial fenestration
vascular lesion
url http://dx.doi.org/10.1080/19490976.2019.1667726
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