Document Detail

Localization of Vibrio vulnificus infection in dendritic cells and its effects on the cytoskeleton.
MedLine Citation:
PMID:  23217398     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND: Vibrio vulnificus (Vv) is an estuarine bacterium that can cause primary septicemia as well as serious wound infections. However, little is known about the mechanisms by which Vv infects dendritic cells (DCs) and its effects on cytoskeleton. In this study, we aimed to investigate the invasion, internalization, and the organelles damage of the cultured dendritic cells (a DC 2.4 strain) during Vv infection.
METHODS: The study model was the cultured DCs infected by a Vv 1.758 strain. Electron microscopy was used to observe the localization of bacteria at the different time points of infection, cell morphology, and the process of organelles changes. The cytoskeleton structure including the microfilaments and the microtubules rearrangement was examined under a fluorescence microscope.
RESULTS: The Vv were pinocytosised into the DC cells through double-sides, and localized at 1 - 2 mm of the inner side membrane. It took 1.3, 1.9, and 3.4 hours to reach the infection ratio of 25%, 50%, and 75%, respectively. Using electron microscopy, the DCs had been observed to have developed chromatin aggregation within 4.0 hours, and significant cytoskeleton structure disruption was noted within 6.0 hours.
CONCLUSION: The high lethality of Vv infection may be associated with the direct disruption of the DCs cytoskeleton structure.
Zhi-Gang Wang; Shui-Ling Xu; Ping-Yang Shao; Yi Bao; Ge Cui; Yu-Jie Cai
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Chinese medical journal     Volume:  125     ISSN:  0366-6999     ISO Abbreviation:  Chin. Med. J.     Publication Date:  2012 Dec 
Date Detail:
Created Date:  2012-12-10     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  7513795     Medline TA:  Chin Med J (Engl)     Country:  China    
Other Details:
Languages:  eng     Pagination:  4264-9     Citation Subset:  IM    
Department of Clinical Laboratory, Second Hospital of Jiaxing, Jiaxing, Zhejiang 314000, China. Email:
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