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Acute endotoxemia-induced respiratory and intestinal dysbiosis

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Abstract
Systemic inflammatory response syndrome (SIRS) is a severe condition characterized by systemic inflammation, which may lead to multiple organ failure, shock and death. SIRS is common in burn patients, pancreatitis and sepsis. SIRS is often accompanied by intestinal dysbiosis. However, the mechanism, role and details of microbiome alterations during the early phase of acute SIRS are not completely understood. The current study aimed to characterize the dynamic alterations of both the intestinal and respiratory microbiome at two timepoints during the early phase of acute SIRS (4 and 8 h after LPS) and link these to the host response in a mouse model of a LPS-induced lethal SIRS. Acute SIRS had no effect on the microbiome in the large intestine but induced a rapid dysbiosis in the small intestine, which resembled the microbiome alterations commonly observed in SIRS patients. Later in the disease progression, a dysbiosis of the respiratory microbiome was observed, which was associated with the MMP9 expression in the lungs. Although similar bacteria were increased in both the lung and the small intestine, no evidence for a gut-lung translocation was observed. Gut dysbiosis is commonly observed in diseases involving inflammation in the gut. However, whether the inflammatory response associated with SIRS and sepsis can directly cause gut dysbiosis was still unclear. In the current study we provide evidence that a LPS-induced SIRS can directly cause dysbiosis of the small intestinal and respiratory microbiome.
Keywords
sepsis, systemic inflammatory response syndrome, acute lung injury, LPS, microbiota, dysbiosis, inflammation, POLYMYXIN-B HEMOPERFUSION, MATRIX METALLOPROTEINASES, BARRIER INTEGRITY, MECHANISMS, MICROBIOTA, RNA, LPS

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MLA
Goossens, Evy, et al. “Acute Endotoxemia-Induced Respiratory and Intestinal Dysbiosis.” INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, vol. 23, no. 19, 2022, doi:10.3390/ijms231911602.
APA
Goossens, E., Li, J., Callens, C., Van Rysselberghe, N., Kettunen, H., Vuorenmaa, J., … Van Immerseel, F. (2022). Acute endotoxemia-induced respiratory and intestinal dysbiosis. INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, 23(19). https://doi.org/10.3390/ijms231911602
Chicago author-date
Goossens, Evy, Jianhui Li, Chana Callens, Nathalie Van Rysselberghe, Hannele Kettunen, Juhani Vuorenmaa, Natalia Garcia Gonzalez, Claude Libert, Richard Ducatelle, and Filip Van Immerseel. 2022. “Acute Endotoxemia-Induced Respiratory and Intestinal Dysbiosis.” INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES 23 (19). https://doi.org/10.3390/ijms231911602.
Chicago author-date (all authors)
Goossens, Evy, Jianhui Li, Chana Callens, Nathalie Van Rysselberghe, Hannele Kettunen, Juhani Vuorenmaa, Natalia Garcia Gonzalez, Claude Libert, Richard Ducatelle, and Filip Van Immerseel. 2022. “Acute Endotoxemia-Induced Respiratory and Intestinal Dysbiosis.” INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES 23 (19). doi:10.3390/ijms231911602.
Vancouver
1.
Goossens E, Li J, Callens C, Van Rysselberghe N, Kettunen H, Vuorenmaa J, et al. Acute endotoxemia-induced respiratory and intestinal dysbiosis. INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES. 2022;23(19).
IEEE
[1]
E. Goossens et al., “Acute endotoxemia-induced respiratory and intestinal dysbiosis,” INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES, vol. 23, no. 19, 2022.
@article{8769318,
  abstract     = {{Systemic inflammatory response syndrome (SIRS) is a severe condition characterized by systemic inflammation, which may lead to multiple organ failure, shock and death. SIRS is common in burn patients, pancreatitis and sepsis. SIRS is often accompanied by intestinal dysbiosis. However, the mechanism, role and details of microbiome alterations during the early phase of acute SIRS are not completely understood. The current study aimed to characterize the dynamic alterations of both the intestinal and respiratory microbiome at two timepoints during the early phase of acute SIRS (4 and 8 h after LPS) and link these to the host response in a mouse model of a LPS-induced lethal SIRS. Acute SIRS had no effect on the microbiome in the large intestine but induced a rapid dysbiosis in the small intestine, which resembled the microbiome alterations commonly observed in SIRS patients. Later in the disease progression, a dysbiosis of the respiratory microbiome was observed, which was associated with the MMP9 expression in the lungs. Although similar bacteria were increased in both the lung and the small intestine, no evidence for a gut-lung translocation was observed. Gut dysbiosis is commonly observed in diseases involving inflammation in the gut. However, whether the inflammatory response associated with SIRS and sepsis can directly cause gut dysbiosis was still unclear. In the current study we provide evidence that a LPS-induced SIRS can directly cause dysbiosis of the small intestinal and respiratory microbiome.}},
  articleno    = {{11602}},
  author       = {{Goossens, Evy and Li, Jianhui and Callens, Chana and Van Rysselberghe, Nathalie and Kettunen, Hannele and Vuorenmaa, Juhani and Garcia Gonzalez, Natalia and Libert, Claude and Ducatelle, Richard and Van Immerseel, Filip}},
  issn         = {{1422-0067}},
  journal      = {{INTERNATIONAL JOURNAL OF MOLECULAR SCIENCES}},
  keywords     = {{sepsis,systemic inflammatory response syndrome,acute lung injury,LPS,microbiota,dysbiosis,inflammation,POLYMYXIN-B HEMOPERFUSION,MATRIX METALLOPROTEINASES,BARRIER INTEGRITY,MECHANISMS,MICROBIOTA,RNA,LPS}},
  language     = {{eng}},
  number       = {{19}},
  pages        = {{22}},
  title        = {{Acute endotoxemia-induced respiratory and intestinal dysbiosis}},
  url          = {{http://doi.org/10.3390/ijms231911602}},
  volume       = {{23}},
  year         = {{2022}},
}

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