FHL2 and rhabdomyosarcoma: An interaction of the sonic hedgehog (SHH) receptor Patched (Ptc) with DRAL/FHL2 (down-regulated in rhabdomyosarcomas LIM-domain protein/Four-and-a-half LIM protein 2) and NLRP1 or CARD8 [89] induces caspase-9-dependent apoptosis [90].