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231223s2010 xx |||||o 00| ||eng c |
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|a 10.1021/la1017032
|2 doi
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|a pubmed24n0668.xml
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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| 100 |
1 |
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|a Robbins, Gregory P
|e verfasserin
|4 aut
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| 245 |
1 |
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|a Tunable leuko-polymersomes that adhere specifically to inflammatory markers
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|c 2010
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 27.12.2010
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|a Date Revised 20.10.2021
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|a published: Print
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|a Citation Status MEDLINE
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|a The polymersome, a fully synthetic cell mimetic, is a tunable platform for drug delivery vehicles to detect and treat disease (theranostics). Here, we design a leuko-polymersome, a polymersome with the adhesive properties of leukocytes, which can effectively bind to inflammatory sites under flow. We hypothesize that optimal leukocyte adhesion can be recreated with ligands that mimic receptors of the two major leukocyte molecular adhesion pathways, the selectins and the integrins. Polymersomes functionalized with sialyl Lewis X and an antibody against ICAM-1 adhere avidly and selectively to surfaces coated with inflammatory adhesion molecules P-selectin and ICAM-1 under flow. We find that maximal adhesion occurs at intermediate densities of both sialyl Lewis X and anti-ICAM-1, owing to synergistic binding effects between the two ligands. Leuko-polymersomes bearing these two receptor mimetics adhere under physiological shear rates to inflamed endothelium in an in vitro flow chamber at a rate 7.5 times higher than those to uninflamed endothelium. This work clearly demonstrates that polymersomes bearing only a single ligand bind less avidly and with lower selectivity, thus suggesting proper mimicry of leukocyte adhesion requires contributions from both pathways. This work establishes a basis for the design of polymersomes for targeted drug delivery in inflammation
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|a Journal Article
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4 |
|a Research Support, N.I.H., Extramural
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4 |
|a Research Support, U.S. Gov't, Non-P.H.S.
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| 650 |
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|a Antibodies
|2 NLM
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|a Biomarkers
|2 NLM
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|a Butadienes
|2 NLM
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|a Drug Carriers
|2 NLM
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|a Elastomers
|2 NLM
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|a Ligands
|2 NLM
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|a Oligosaccharides
|2 NLM
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| 650 |
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|a P-Selectin
|2 NLM
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| 650 |
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|a Sialyl Lewis X Antigen
|2 NLM
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| 650 |
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|a Intercellular Adhesion Molecule-1
|2 NLM
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| 650 |
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|a 126547-89-5
|2 NLM
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|a Polyethylene Glycols
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|a 3WJQ0SDW1A
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|a polybutadiene
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|a 9003-17-2
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|a biocytin
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|a G6D6147J22
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|a Lysine
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|a K3Z4F929H6
|2 NLM
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| 700 |
1 |
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|a Saunders, Randi L
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Haun, Jered B
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Rawson, Jeff
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Therien, Michael J
|e verfasserin
|4 aut
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| 700 |
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|a Hammer, Daniel A
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 26(2010), 17 vom: 07. Sept., Seite 14089-96
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
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|g volume:26
|g year:2010
|g number:17
|g day:07
|g month:09
|g pages:14089-96
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|u http://dx.doi.org/10.1021/la1017032
|3 Volltext
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|h 14089-96
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