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EnglishAvidin is a glycoprotein from hen egg white that binds biotin with very high affinity. Here we describe OXavidin, a product containing aldehyde groups, obtained by ligand-assisted sugar oxidation of avidin by sodium periodate. OXavidin chemically reacts with cellular and tissue proteins through Schiff's base formation thus residing in tissues for weeks while preserving the biotin binding capacity. The long tissue residence of OXavidin as well as that of OXavidin/biotinylated agent complex occurs in normal and neoplastic tissues and immunohistochemistry shows a strong and homogenous stromal localization. Once localized in tissue/tumor, OXavidin becomes an artificial receptor for intravenous injected biotin allowing tumor targeting with biotinylated therapeutics like radioisotopes or toxins. Moreover, present data also suggest that OXavidin might be useful for the homing of biotinylated cells. Overall, OXavidin exhibits a remarkable potential for many different therapeutic applications. © 2009 Rita De Santis et al.
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| Data di pubblicazione: | 2009 | |
| Titolo: | OXavidin for tissue targeting biotinylated therapeutics | |
| Autori: | De Santis, Rita; Albertoni, Claudio; Rosi, Antonio; Leoni, Barbara; Petronzelli, Fiorella; D'Alessio, Valeria; Nucera, Eleonora; Salvatori, Giovanni; Paganelli, Giovanni; Verdoliva, Antonio; Carminati, Paolo; Nuzzolo, Carlo Antonio | |
| Rivista: | JOURNAL OF BIOMEDICINE AND BIOTECHNOLOGY | |
| Parole Chiave: | Animals; Avidin; Biotin; Breast Neoplasms; Cell Line, Tumor; Drug Delivery Systems; Female; Half-Life; Humans; Immunohistochemistry; Mice; Neoplasm Transplantation; Periodic Acid; Streptavidin; Biotechnology; Medicine (all); Molecular Medicine; Molecular Biology; Genetics; Health, Toxicology and Mutagenesis | |
| Abstract in inglese: | Avidin is a glycoprotein from hen egg white that binds biotin with very high affinity. Here we describe OXavidin, a product containing aldehyde groups, obtained by ligand-assisted sugar oxidation of avidin by sodium periodate. OXavidin chemically reacts with cellular and tissue proteins through Schiff's base formation thus residing in tissues for weeks while preserving the biotin binding capacity. The long tissue residence of OXavidin as well as that of OXavidin/biotinylated agent complex occurs in normal and neoplastic tissues and immunohistochemistry shows a strong and homogenous stromal localization. Once localized in tissue/tumor, OXavidin becomes an artificial receptor for intravenous injected biotin allowing tumor targeting with biotinylated therapeutics like radioisotopes or toxins. Moreover, present data also suggest that OXavidin might be useful for the homing of biotinylated cells. Overall, OXavidin exhibits a remarkable potential for many different therapeutic applications. © 2009 Rita De Santis et al. | |
| Digital Object Identifier (DOI): | 10.1155/2009/921434 | |
| Handle: | http://hdl.handle.net/11392/2378485 | |
| Appare nelle tipologie: | 03.1 Articolo su rivista |
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