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AQP5-1364A/C polymorphism and the AQP5 expression influence sepsis survival and immune cell migration: a prospective laboratory and patient study

Overview of attention for article published in Journal of Translational Medicine, November 2016
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Title
AQP5-1364A/C polymorphism and the AQP5 expression influence sepsis survival and immune cell migration: a prospective laboratory and patient study
Published in
Journal of Translational Medicine, November 2016
DOI 10.1186/s12967-016-1079-2
Pubmed ID
Authors

Katharina Rump, Matthias Unterberg, Lars Bergmann, Agnes Bankfalvi, Anil Menon, Simon Schäfer, André Scherag, Zainab Bazzi, Winfried Siffert, Jürgen Peters, Michael Adamzik

Abstract

The C-allele of the aquaporin (AQP5) -1364A/C polymorphism is associated with decreased AQP5 expression but increased 30-day survival in patients with severe sepsis. AQP5 expression might affect survival via an impact on cell migration. Consequently, we tested the hypothesis that (1) Aqp5 knockout (KO) compared to wild type (WT) mice show an increased survival following lipopolysaccharide (LPS) administration, and that (2) AQP5 expression and the AQP5 -1364A/C polymorphism alters immune cell migration. We investigated Aqp5-KO and wild type mice after intraperitoneal injection of either E.coli lipopolysaccharide (LPS, serotype O127:B8, 20 mg/kg) or saline. Furthermore, neutrophils of volunteers with the AA-AQP5 or AC/CC-AQP5- genotype were incubated with 10(-8) M Chemotactic peptide (fMLP) and their migration was assessed by a filter migration assay. Additionally, AQP5 expression after fMLP incubation was analyzed by RT-PCR and Western blot. Moreover, migration of AQP5 overexpressing Jurkat cells was studied after SDF-1α-stimulation. We used exact Wilcoxon-Mann-Whitney tests; exact Wilcoxon signed-rank tests and the Kaplan-Meier estimator for statistical analysis. Fifty-six percent of Aqp5-KO but only 22% of WT mice survived following LPS-injection. WT mice showed increased neutrophil migration into peritoneum and lung compared to Aqp5-KO mice. Target-oriented migration of neutrophils was seen after 0.5 h in AA-genotype cells but only after 1.5 h in AC/CC-genotype cells, with a threefold lower migrating cell count. AQP5 overexpressing Jurkat cells showed a 2.4 times stronger migration compared to native Jurkat cells. The AQP5 genotype may influence survival following LPS by altering neutrophil cell migration. Trial registration DRKS00010437. Retrospectively registered 26 April 2016.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 16 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 16 100%

Demographic breakdown

Readers by professional status Count As %
Researcher 2 13%
Student > Postgraduate 2 13%
Student > Master 2 13%
Student > Bachelor 1 6%
Professor 1 6%
Other 3 19%
Unknown 5 31%
Readers by discipline Count As %
Medicine and Dentistry 7 44%
Agricultural and Biological Sciences 2 13%
Biochemistry, Genetics and Molecular Biology 1 6%
Unknown 6 38%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 22 November 2016.
All research outputs
#20,721,996
of 23,321,213 outputs
Outputs from Journal of Translational Medicine
#3,410
of 4,117 outputs
Outputs of similar age
#351,373
of 417,543 outputs
Outputs of similar age from Journal of Translational Medicine
#59
of 63 outputs
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