Use of natural agents is an upcoming area of research in cancer biology. Caffeic acid phenethyl ester has received great attention because of its therapeutic potential in various conditions including cancer. It is an active/abundant component of propolis. Propolis is a honey bee hive product produced by bees using their enzyme-rich digestive secretions on resinous mix, bee wax and pollen from plants. It is used to protect the beehive against bacteria and other infections.Although a lot of work has been done on chemotherapeutic aspects of CAPE, its role as a radiomodulator is yet to be delineated. It can act both as radioprotector and radiosensitizer. Depending on the tissue type it can modulate the radiation response by following different mechanisms. This review will focus on the differential radiomodulatory effects of Caffeic Acid Phenethyl Ester in normal and cancer cells.Besides chemistry and bioavailability,it’s potential as a therapeutic agent against radiation induced damage will also be discussed.
Keywords: Propolis, CAPE, Radiation, Radioprotection, Radiosensitization, Cancer.
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