tokens: p .; 48 h ). Four binary comparisons were made : WT control versus CYP treatment ( 48 h ), VIP (-/-) control versus CYP treatment ( 48 h ), WT control versus VIP (-/-) control , and WT with CYP treatment ( 48 h ) versus VIP (-/-) with CYP treatment ( 48 h ). The genes presented represent ( 1 ) greater than 1 .