Supplementary information

From the following article

Mitogenic signalling and the p16^INK4a–Rb pathway cooperate to enforce irreversible cellular senescence

Akiko Takahashi, Naoko Ohtani, Kimi Yamakoshi, Shin-ichi Iida, Hidetoshi Tahara, Keiko Nakayama, Keiichi I. Nakayama, Toshinori Ide, Hideyuki Saya & Eiji Hara

Nature Cell Biology 8, 1291 - 1297 (2006) Published online: 8 October 2006

doi:10.1038/ncb1491