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Letter

Nature Cell Biology 11, 739–746 (1 June 2009) | doi:10.1038/ncb1880

The Patched dependence receptor triggers apoptosis through a DRAL|[ndash]|caspase-9 complex

Fr|[eacute]|d|[eacute]|ric Mille , Chantal Thibert , Joanna Fombonne , Nicolas Rama , Catherine Guix , Hideki Hayashi , V|[eacute]|ronique Corset , John C. Reed & Patrick Mehlen

Sonic hedgehog (Shh) and its main receptor, Patched (Ptc), are implicated in both neural development and tumorigenesis. Besides its classic morphogenic activity, Shh is also a survival factor.