His-tagged norovirus-like particles: A versatile platform for cellular delivery and surface display
Koho, Tiia; Ihalainen, Teemu; Stark, Marie; Uusi-Kerttula, Hanni; Wieneke, Ralph; Rahikainen, Rolle; Blazevic, Vesna; Marjomäki, Varpu; Tampé, Robert; Kulomaa, Markku; Hytönen, Vesa P (2015)
2015
European Journal of Pharmaceutics and Biopharmaceutics 96 15
22-31
BioMediTech - BioMediTech
Lääketieteen yksikkö - School of Medicine
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Julkaisun pysyvä osoite on
https://urn.fi/URN:NBN:fi:uta-201508062214
https://urn.fi/URN:NBN:fi:uta-201508062214
Tiivistelmä
Abstract
In addition to vaccines, noninfectious virus-like particles (VLPs) that mimic the viral capsid show an attractive possibility of presenting immunogenic epitopes or targeting molecules on their surface. Here, functionalization of norovirus-derived VLPs by simple non-covalent conjugation of various molecules is shown. By using the affinity between a surface-exposed polyhistidine-tag and multivalent tris-nitrilotriacetic acid (trisNTA), fluorescent dye molecules and streptavidin–biotin conjugated to trisNTA are displayed on the VLPs to demonstrate the use of these VLPs as easily modifiable nanocarriers as well as a versatile vaccine platform. The VLPs are able to enter and deliver surface-displayed fluorescent dye into HEK293T cells via a surface-attached cell internalization peptide (VSV-G). The ease of manufacturing, the robust structure of these VLPs, and the straightforward conjugation provide a technology, which can be adapted to various applications in biomedicine.
In addition to vaccines, noninfectious virus-like particles (VLPs) that mimic the viral capsid show an attractive possibility of presenting immunogenic epitopes or targeting molecules on their surface. Here, functionalization of norovirus-derived VLPs by simple non-covalent conjugation of various molecules is shown. By using the affinity between a surface-exposed polyhistidine-tag and multivalent tris-nitrilotriacetic acid (trisNTA), fluorescent dye molecules and streptavidin–biotin conjugated to trisNTA are displayed on the VLPs to demonstrate the use of these VLPs as easily modifiable nanocarriers as well as a versatile vaccine platform. The VLPs are able to enter and deliver surface-displayed fluorescent dye into HEK293T cells via a surface-attached cell internalization peptide (VSV-G). The ease of manufacturing, the robust structure of these VLPs, and the straightforward conjugation provide a technology, which can be adapted to various applications in biomedicine.
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