Parthenolide is a sesquiterpene lactone and extracted from feverfew , molecular formula:C_(15)H_(20)O_3, molecular weight:248.3. It is commonly used to therapy skin infection, rheumatic disorder, migraine in west countries. It is well known that many natural products inhibit tumor cells proliferation by inducing apoptosis and blocking cell cycle. Recent years, many biological activities of parthenolide have been found, and it can inhibit various cancers. Therefore, it is reasonable that parthe...