Keratinocyte growth factor gene therapy ameliorates ulcerative colitis in rats

Figure 1 Stool score in each group after administration. Stool score decreased significantly on day 5 in SPK group, and recovered to normal on day 9. Data are presented as mean ± SD, n = 6. ^aP < 0.05, ^bP < 0.01 vs SP group; ^cP < 0.05, ^dP < 0.01 vs control group at the indicated time point. SP: Attenuated Salmonella typhimurium Ty21a strain; SPK: Attenuated Salmonella typhimurium Ty21a strain carrying human KGF gene.