Phosphorylated STAT6 has been reported to be elevated in Ph+ ALL [31] and PDAP1 appears to be involved in PDGF signaling 32, 33, a pathway recently implicated in apoptosis-resistant ALL [21] and Ph-like ALL 8, 9, 10, 11, 12, 18. The gene discussed is PDAP1; the disease is acute lymphoblastic leukemia.