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Glycopeptide-functionalized gold nanoparticles for antibody induction against the tumor associated mucin-1
Hui Cai1, Federica Degliangeli2, Björn Palitzsch3
1Gesellschaft zur Förderung der Analytischen Wissenschaften e.V. ISAS-Leibniz Institute for Analytical Sciences, Otto-Hahn-Str. 6b, 44227 Dortmund, Germany.
Abstract:
We report the preparation of gold nanoparticle (AuNP)-based vaccine candidates against the tumor-associated form of the mucin-1 (MUC1) glycoprotein. Chimeric peptides, consisting of a glycopeptide sequence derived from MUC1 and the T-cell epitope P30 sequence were immobilized on PEGylated AuNPs and the ability to induce selective antibodies in vivo was investigated. After immunization, mice showed significant MHC-II mediated immune responses and their antisera recognized human MCF-7 breast cancer cells. Nanoparticles designed according to this report may become key players in the development of anticancer vaccines.
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