The retinoblastoma 1 (RB1) tumor suppressor is a critical regulator of cell cycle progression and development. To investigate the role of RB1 in neural crest–derived melanocytes, we bred mice with a floxed
Ming Fu, Solange Landreville, Olga A. Agapova, Luke A. Wiley, Michael Shoykhet, J. William Harbour, Robert O. Heuckeroth