doxorubicin-magnetic targeted carrier complex

Definition / meaning of doxorubicin-magnetic targeted carrier complex

A formulation of the anthracycline antibiotic doxorubicin in which doxorubicin is bound to microscopic beads of activated carbon and iron as a magnetic-targeted carrier (MTC). Doxorubicin, an intercalator and a topoisomerase II inhibitor, prevents DNA replication and ultimately inhibits protein synthesis. This agent also generates oxygen free radicals, resulting in cytotoxic lipid peroxidation of cell membrane lipids. Guided by the placement of a magnet on the body surface overlying a tumor site, the doxorubicin-MTC complex delivers doxorubicin directly to the tumor site, thereby targeting and prolonging the duration of doxorubicin-mediated cytotoxicity to the tumor bed while minimizing systemic toxicity.

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