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Uropathogenic Esche...
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Carey, Alison J.Queensland University of Technology
(författare)
Uropathogenic Escherichia coli engages CD14-dependent signaling to enable bladder-macrophage-dependent control of acute urinary tract infection
- Artikel/kapitelEngelska2016
Förlag, utgivningsår, omfång ...
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2015-08-30
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Oxford University Press (OUP),2016
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10 s.
Nummerbeteckningar
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LIBRIS-ID:oai:lup.lub.lu.se:af95a283-e349-48c6-b90a-9f5d32be6a27
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https://lup.lub.lu.se/record/af95a283-e349-48c6-b90a-9f5d32be6a27URI
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https://doi.org/10.1093/infdis/jiv424DOI
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Språk:engelska
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Sammanfattning på:engelska
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Klassifikation
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Ämneskategori:art swepub-publicationtype
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Ämneskategori:ref swepub-contenttype
Anmärkningar
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Background. CD14, a coreceptor for several pattern recognition receptors and a widely used monocyte/macrophage marker, plays a key role in host responses to gram-negative bacteria. Despite the central role of CD14 in the inflammatory response to lipopolysaccharide and other microbial products and in the dissemination of bacteria in some infections, the signaling networks controlled by CD14 during urinary tract infection (UTI) are unknown. Methods. We used uropathogenic Escherichia coli (UPEC) infection of wild-type (WT) C57BL/6 and Cd14-/- mice and RNA sequencing to define the CD14-dependent transcriptional signature and the role of CD14 in host defense against UTI in the bladder. Results. UPEC induced the upregulation of Cd14 and the monocyte/macrophage-related genes Emr1/F4/80 and Csf1r/c-fms, which was associated with lower UPEC burdens in WT mice, compared with Cd14-/- mice. Exacerbation of infection in Cd14-/- mice was associated with the absence of a 491-gene transcriptional signature in the bladder that encompassed multiple host networks not previously associated with this receptor. CD14-dependent pathways included immune cell trafficking, differential cytokine production in macrophages, and interleukin 17 signaling. Depletion of monocytes/macrophages in the bladder by administration of liposomal clodronate led to higher UPEC burdens. Conclusions. This study identifies new host protective and signaling roles for CD14 in the bladder during UPEC UTI.
Ämnesord och genrebeteckningar
Biuppslag (personer, institutioner, konferenser, titlar ...)
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Sullivan, Matthew J.Griffith University
(författare)
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Duell, BenLund University,Lunds universitet,Institutionen för translationell medicin,Medicinska fakulteten,Department of Translational Medicine,Faculty of Medicine,Skåne University Hospital(Swepub:lu)med-bde
(författare)
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Crossman, David K.University of Alabama
(författare)
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Chattopadhyay, DebasishUniversity of Alabama
(författare)
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Brooks, Andrew J.University of Queensland
(författare)
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Tan, Chee K.Griffith University
(författare)
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Crowley, MichaelUniversity of Alabama
(författare)
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Sweet, Matthew J.University of Queensland
(författare)
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Schembri, Mark A.University of Queensland
(författare)
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Ulett, Glen C.University of Alabama
(författare)
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Queensland University of TechnologyGriffith University
(creator_code:org_t)
Sammanhörande titlar
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Ingår i:Journal of Infectious Diseases: Oxford University Press (OUP)213:4, s. 659-6680022-18991537-6613
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Till lärosätets databas
- Av författaren/redakt...
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Carey, Alison J.
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Sullivan, Matthe ...
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Duell, Ben
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Crossman, David ...
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Chattopadhyay, D ...
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Brooks, Andrew J ...
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visa fler...
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Tan, Chee K.
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Crowley, Michael
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Sweet, Matthew J ...
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Schembri, Mark A ...
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Ulett, Glen C.
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visa färre...
- Om ämnet
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- MEDICIN OCH HÄLSOVETENSKAP
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MEDICIN OCH HÄLS ...
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och Medicinska och f ...
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och Mikrobiologi ino ...
- Artiklar i publikationen
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Journal of Infec ...
- Av lärosätet
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Lunds universitet