Pyocyanin effects on respiratory epithelium: relevance in Pseudomonas aeruginosa airway infections.

Pyocyanin effects on respiratory epithelium: relevance in Pseudomonas aeruginosa airway infections.
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DOI:
10.1016/j.tim.2012.10.004
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发表时间:
2013-02
影响因子:
15.9
通讯作者:
Leto, Thomas L.
Leto, Thomas L.
中科院分区:
生物学1区
文献类型:
--
作者:
Rada, Balazs;Leto, Thomas L.

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Pseudomonas aeruginosa uses several virulence factors to establish chronic respiratory infections in bronchiectasis, chronic obstructive pulmonary disease and cystic fibrosis patients. One of its toxins, pyocyanin, is a redox-active pigment that is required for full virulence in animal models and has been detected in patients’ airway secretions. Pyocyanin promotes virulence by interfering with several cellular functions in host cells including electron transport, cellular respiration, energy metabolism, gene expression and innate immune mechanisms. This review summarizes recent advances in pyocyanin biology with special attention to current views on its role in human airway infections and on its interactions with the first line of our airway defense, the respiratory epithelium.
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