Abstract
We attempted to find some compounds for the effective delivery of gene constructs into cells and obtained two trispherical dendrimers on the basis of lysine, (Lys)8-(α,ε-Lys)4-(α,ε-Lys)2-(α,ε-Lys)-Ala-NH2 (D1) and ((Lys)8-(α,ε-Lys)4-(α,ε-Lys)2-α,ε-Lys)-Ala-[Lys(Plm)]2-Ala-NH2 (D2), as well as the starburst polymeric derivatives of D1, (pVIm) 8 -D1 and (pLys) n -D1, containing poly(N-vinylimidazole) and polylysine chains single-point bound to the dendrimer amino groups. The conditions of dendrimer–plasmid DNA complex formation were studied. The intracellular localization of these complexes and the expression of gene constructs delivered with their help were analyzed in transfection experiments on the HeLa cell cultures of human epithelial carcinoma and on mouse C2C12 myoblasts. It was found that the chemical structure of dendrimer D1 and its derivatives significantly affected the structure and properties of complex.
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Vlasov, G.P., Korol'kov, V.I., Pankova, G.A. et al. Lysine Dendrimers and Their Starburst Polymer Derivatives: Possible Application for DNA Compaction and in vitro Delivery of Genetic Constructs. Russian Journal of Bioorganic Chemistry 30, 12–20 (2004). https://doi.org/10.1023/B:RUBI.0000015768.32255.1a
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DOI: https://doi.org/10.1023/B:RUBI.0000015768.32255.1a