Nanoparticles that communicate in vivo to amplify tumour targeting

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Nanomedicines have enormous potential to improve the precision of cancer therapy, yet our ability to efficiently home these materials to regions of disease in vivo remains very limited. Inspired by the ability of communication to improve targeting in biological systems, such as inflammatory-cell recruitment to sites of disease, we construct systems where synthetic biological and nanotechnological components communicate to amplify disease targeting in vivo. These systems are composed of `signalling' modules (nanoparticles or engineered proteins) that target tumours and then locally activate the coagulation cascade to broadcast tumour location to clot-targeted `receiving' nanoparticles in circulation that carry a diagnostic or therapeutic cargo, thereby amplifying their delivery. We show that communicating nanoparticle systems can be composed of multiple types of signalling and receiving modules, can transmit information through multiple molecular pathways in coagulation, can operate autonomously and can target over 40 times higher doses of chemotherapeutics to tumours than non-communicating controls.
Publisher
NATURE PUBLISHING GROUP
Issue Date
2011-07
Language
English
Article Type
Article
Keywords

TISSUE FACTOR; DRUG-DELIVERY; PLASMONIC PROPERTIES; SYNTHETIC BIOLOGY; CONTRAST AGENT; GENE DELIVERY; LIPOSOMES; CELLS; VASCULATURE; ANTIBODY

Citation

NATURE MATERIALS, v.10, no.7, pp.545 - 552

ISSN
1476-1122
URI
http://hdl.handle.net/10203/98684
Appears in Collection
BiS-Journal Papers(저널논문)
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