Some Veratrum alkaloids and their derivatives exhibited an in vitro cytotoxic effect on leukemia P388 cells, depending on the structure of the skeleton of the molecule, particularly on the type of the heterocycle attached to C-20. Veracintine and 20-(2-methyl-1-pyrrolin-5-yl)-4-pregnen-3-one, which
The hedgehog (Hh) signaling pathway is an important therapeutic target in cancer; involvement of the Hh pathway has been shown in a variety of cancers including basal cell carcinoma, medulloblastoma, leukemia, and gastrointestinal, breast, prostate, lung, and pancreatic cancers [1-10]. Currently,