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  • Title: Preparation and evaluation of ODN conjugates with polycation comb-type copolymer.
    Author: Maruyama A, Saito M, Ueda M, Yamada M, Watanabe H, Akaike T.
    Journal: Nucleic Acids Symp Ser; 1999; (42):97-8. PubMed ID: 10780397.
    Abstract:
    Oligodeoxynucleotide (ODN) conjugates with the polylysine comb-type copolymer having an ability to promote and stabilize duplex and triplex DNA formation were prepared. 5'-Aminated ODN was succinylated with succinic anhydride. The resulting ODNs having carboxyl terminus were coupled with epsilon-amino groups of the comb-type copolymer using water soluble carbodiimide. The conjugate free from unconjugated ODNs was obtained by gel permeation chromatography. The resulting conjugate maintains ability to form duplex and triplex DNA as estimated by melting curve analysis. Both specificity and stability of the triplex DNA formation were increased by employing the ODN-copolymer conjugates compared to those with their mixture.
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