Application

Doxorubicin hydrochloride has been used:in cell viability assaysMTT (3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyl tetrazolium bromide) assayas a drug in polymeric PLGA-based microparticulate drug deliveryto develop doxorubicin-resistant HepG2 cells (HepG2-DR) and K562 cells (K562-DR)

Biochem/physiol Actions

Substrate of MRP1; used for measurement of drug efflux pump activities. Doxorubicin hydrochloride (DOX) inhibits topoisomerase II by intercalating between base pairs and by inducing strand breaks, resulting in the inhibition of nucleic acid and protein synthesis. It also contributes to the formation of free radicals for the disruption of membrane lipids and DNA strands. DOX is used in the treatment of non-Hodgkin′s lymphoma and other cancers.

Naturally fluorescent anthracycline antibiotic, anticancer drug. Doxorubicin is a substrate of MRP1 which was first cloned from a DOX-resistant lung cancer cell line. Fluorescent property has been exploited for the measurement of drug efflux pump activities as well as resolving the important question of intracellular localization of various multidrug resistance proteins and the role of subcellular organelles (Golgi and lysosome) in the sequestration of drugs and its implication in drug resistant phenotypes.

General description

Doxorubicin hydrochloride (DOX) is an anthracycline antibiotic isolated from Streptomyces peucetius var. caesius. The water soluble anti-cancer agent DOX is a hydroxy derivative of daunorubicin.

Chemical structure: tetracycline

Other Notes

Keep container tightly closed in a dry and well-ventilated place. Moisture sensitive. Light sensitive.

Packaging

10 mg in glass bottle

Preparation Note

Soluble in water and in isotonic sodium chloride solution, slightly soluble in methanol. Practically insoluble in chloroform, ether, and in other organic solvents.