Implantable silk composite microneedles for programmable vaccine release kinetics and enhanced immunogenicity in transcutaneous immunization.
Implantable silk composite microneedles for programmable vaccine release kinetics and enhanced immunogenicity in transcutaneous immunization.
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DOI:
10.1002/adhm.201300139
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发表时间:
2014-01
影响因子:
10
通讯作者:
Hammond, Paula T.
中科院分区:
文献类型:
--
作者:
DeMuth, Peter C.;Min, Younjin;Irvine, Darrell J.;Hammond, Paula T.
Microneedle vaccines mimic several aspects of cutaneous pathogen invasion by targeting antigen to skin-resident dendritic cells and triggering local inflammatory responses in the skin, which are correlated with enhanced immune responses. Here we tested whether control over vaccine delivery kinetics can enhance immunity through further mimicry of kinetic profiles present during natural acute infections. We report an approach for the fabrication of silk/poly(acrylic acid) (PAA) composite microneedles composed of a silk tip supported on a PAA base. On brief application of microneedle patches to skin, the PAA bases rapidly dissolved to deliver a protein subunit vaccine bolus, while also implanting persistent silk hydrogel depots into the skin for a low-level sustained cutaneous vaccine release over 1-2 weeks. Use of this platform to deliver a model whole-protein vaccine with optimized release kinetics resulted in >10-fold increases in antigen-specific T-cell and humoral immune responses relative to traditional parenteral needle-based immunization.
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DOI:
10.1073/pnas.1105200108
发表时间:
2011-09-20
影响因子:
11.1
作者:
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通讯作者:
Irvine, Darrell J.
影响因子:
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通讯作者:
Irvine, Darrell J.
影响因子:
41.2
作者:
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通讯作者:
Irvine DJ
影响因子:
15.3
作者:
Kim, Taeg S.;Hufford, Matthew M.;Braciale, Thomas J.
通讯作者:
Braciale, Thomas J.
DOI:
10.1073/pnas.0809818106
发表时间:
2009-05-26
影响因子:
11.1
作者:
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通讯作者:
Ahmed, Rafi