Cancer is becoming a health problem in all over the world, searching for anticancer therapy from plants natural products has been one of the sustainers of cancer chemotherapy approximately for the past half a century. Chelidonium majus (Poppy Family) is a plant which is distributed in nature and has been used as a traditional medicine. The plant extract showed high content of alkaloids which revealed cytotoxic effect in a cell type and dose dependent way. | In vitro cytotoxic activity of chelidonium majus extract using different types of cell lines