The human cerebrum, astrocytes, neuronal progenitor cells, NTera2 teratocarcinoma-derived neurons, SK-N-SH neuroblastoma, IMR-32 neuroblastoma, U-373MG glioblastoma, T98 glioblastoma, and HMO6 immortalized microglia constitutively expressed PLD1, PLD2, and PLD3 transcripts (Figure 1a,b,c, lanes 1, 3 to 10). The gene discussed is PLD2; the disease is glioblastoma.