The RET kinase inhibitor NVP-AST487 blocks growth and calcitonin gene expression through distinct mechanisms in medullary thyroid cancer cells. - Akeno-Stuart N; Croyle M; Knauf JA; Malaguarnera R; Vitagliano D; Santoro M; Stephan C; Grosios K; Wartmann M; Cozens R; Caravatti G; Fabbro D; et al. (Cancer research, 2007)