Abstract
In the current chapter, we are detailing the synthesis path of a tumor-targeted, CPP-functionalized chemotherapeutic drug, as well as in vitro validation of the targeting and cell penetrating functionalities of the construct. The design of targeted drug delivery vehicle is based on a new glioma-specific homing peptide that has been conjugated to doxorubicin. Further functionalization with an 18-amino acid cell penetrating peptide pVEC was achieved, a CPP that was chosen because of its high cell penetrating efficacy and low toxicity. The three elements were combined into one drug delivery construct gHope2, and its tumor-homing and cell penetrating activity was demonstrated in human glioma cell line U87.
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