Fig. 1

Changes in deep (colonic) Tb in response to i.p. administration of LPS (120 µg/kg) or saline in Pacap+/+ and Pacap-/- mice. *p < 0.05, **p < 0.01 intergenotype difference in LPS-treated mice; #p < 0.05, ##p < 0.01 difference between treatments in Pacap-/- mice; $p < 0.05, $$p < 0.01, $$$p < 0.001 difference between treatments in Pacap+/+ mice.