The values (means ± SD) were as follows: control WT: 52,780 ± 1889; induced ileitis WT: 75,335 ± 2834; control P2X7−/−: 43,565 ± 935; and induced ileitis P2X7R−/−: 111,717 ± 1682. The gene discussed is P2RX7; the disease is Crohn ileitis.