1. Small-molecule modulators of Hedgehog signaling: identification and characterization of Smoothened agonists and antagonists Frank-Kamenetsky, Maria; Zhang, Xiaoyan; Bottega, Steve; Guicherit, Oivin; Wichterle, Hynek; Dudek, Henryk; Bumcrot, David; Wang, Frank; Jones, Simon; Shulok, Janine; Rubin, Lee; Porter, Jeffery 2002 Articles TherapeuticsCellular signal transductionCytologyMolecular biology