Amphiphilic protein micelles for targeted in vivo imaging.
Amphiphilic protein micelles for targeted in vivo imaging.
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DOI:
10.1016/j.actbio.2012.04.011
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发表时间:
2012-07
影响因子:
9.7
通讯作者:
Chaikof, Elliot L.
中科院分区:
文献类型:
--
作者:
Kim, Wookhyun;Brady, Colin;Chaikof, Elliot L.
A variety of polymeric nanoparticles have been developed for bioimaging applications. In this study, we report use of a 50 nm recombinant protein nanoparticle with a multivalent surface as a vehicle for functionalization with a model imaging agent. Multiple fluorescent probes were covalently conjugated to surface amines of crosslinked amphiphilic elastin-mimetic protein micelles using N- hydroxysuccinimide ester chemistry. In vivo fluorescence imaging confirmed that protein micelles selectively accumulated at sites of angioplasty induced vessel wall injury presumably via an enhanced permeability and retention (EPR) effect. This investigation demonstrates the potential of amphiphilic protein micelles to be used as a vehicle for selective imaging of sites associated with disrupted or leaky endothelium.
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