Abstract
Drug release from hyperbranched Janus dendrimer-drug conjugates and their subsequent activity are influenced by the different drugs in each dendron and the linker. To understand these effects, we synthetized new Janus-type dendrimers of first and second generation. One dendron with 2,2-Bis(hydroxymethyl)propionic acid functionalized with ibuprofen and the second dendron was obtained with 3-aminopropanol-amidoamine and prednisone. The dendrimers were obtained by copper(I)-catalyzed Click azide-alkyne cycloaddition for the formation of a triazole as a dendrimeric nucleus of Janus dendrimer conjugates are reported.The influence of ibuprofen, prednisone, and spacer on cancer activity of Janus dendrimers conjugates is reported. The IC50 values of the anticancer activity on cancer cell lines the Janus dendrimer of second generation was higher in comparison to the first generation dendrimer. Similarly, the anticancer activity was higher compared to the dendron conjugates. Also, no cytotoxic effects of dendrons and dendrimers on non-cancerous kidney COS-7 cell line was observed. The interesting anticancer activity of the prepared prednisone-ibuprofen Janus dendrimer conjugates suggest that the dendrimers could be of potential use as new anticancer drug.
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