rdf:type |
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lifeskim:mentions |
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pubmed:issue |
12
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pubmed:dateCreated |
2008-12-22
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pubmed:databankReference |
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pubmed:abstractText |
The human pathogenic bacterium Pseudomonas aeruginosa produces a fucose-specific lectin, LecB, implicated in tissue attachment and the formation of biofilms. To investigate if LecB inhibition disrupts these processes, high-affinity ligands were obtained by screening two 15,536-member combinatorial libraries of multivalent fucosyl-peptide dendrimers. The most potent LecB-ligands identified were dendrimers FD2 (C-Fuc-LysProLeu)(4)(LysPheLysIle)(2)LysHisIleNH(2) (IC(50) = 0.14 microM by ELLA) and PA8 (OFuc-LysAlaAsp)(4)(LysSerGlyAla)(2)LysHisIleNH(2) (IC(50) = 0.11 microM by ELLA). Dendrimer FD2 led to complete inhibition of P. aeruginosa biofilm formation (IC(50) approximately 10 microM) and induced complete dispersion of established biofilms in the wild-type strain and in several clinical P. aeruginosa isolates. These experiments suggest that LecB inhibition by high-affinity multivalent ligands could represent a therapeutic approach against P. aeruginosa infections by inhibition of biofilm formation and dispersion of established biofilms.
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pubmed:grant |
|
pubmed:language |
eng
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pubmed:journal |
|
pubmed:citationSubset |
IM
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pubmed:chemical |
|
pubmed:status |
MEDLINE
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pubmed:month |
Dec
|
pubmed:issn |
1879-1301
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pubmed:author |
pubmed-author:BartelsKai-MalteKM,
pubmed-author:ButsLievenL,
pubmed-author:CámaraMiguelM,
pubmed-author:CacciariniMartinaM,
pubmed-author:CruszShanika ASA,
pubmed-author:DarbreTamisT,
pubmed-author:DiggleStephen PSP,
pubmed-author:JaegerKarl-ErichKE,
pubmed-author:JohanssonEmma M VEM,
pubmed-author:KadamRameshwar URU,
pubmed-author:KolomietsElenaE,
pubmed-author:LorisRemyR,
pubmed-author:NativiCristinaC,
pubmed-author:ReymondJean-LouisJL,
pubmed-author:RosenauFrankF,
pubmed-author:WilliamsPaulP
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pubmed:issnType |
Electronic
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pubmed:day |
22
|
pubmed:volume |
15
|
pubmed:owner |
NLM
|
pubmed:authorsComplete |
Y
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pubmed:pagination |
1249-57
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pubmed:meshHeading |
pubmed-meshheading:19101469-Amino Acid Sequence,
pubmed-meshheading:19101469-Bacterial Adhesion,
pubmed-meshheading:19101469-Bacterial Outer Membrane Proteins,
pubmed-meshheading:19101469-Biofilms,
pubmed-meshheading:19101469-Dendrimers,
pubmed-meshheading:19101469-Drug Delivery Systems,
pubmed-meshheading:19101469-Fucose,
pubmed-meshheading:19101469-Glycopeptides,
pubmed-meshheading:19101469-Lectins,
pubmed-meshheading:19101469-Ligands,
pubmed-meshheading:19101469-Models, Molecular,
pubmed-meshheading:19101469-Molecular Structure,
pubmed-meshheading:19101469-Pseudomonas aeruginosa
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pubmed:year |
2008
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pubmed:articleTitle |
Inhibition and dispersion of Pseudomonas aeruginosa biofilms by glycopeptide dendrimers targeting the fucose-specific lectin LecB.
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pubmed:affiliation |
Department of Chemistry and Biochemistry, University of Berne, Freiestrasse 3, CH-3012 Berne, Switzerland.
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pubmed:publicationType |
Journal Article,
Research Support, Non-U.S. Gov't
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