Histological changes within the stomachs of BL/6 and GKO gastric transplanted mice. H&E stains of stomach sections collected from noninflamed BL/6 mice gastric transplanted with wtMSC (A), wtMSCShh (B), stMSCvect (C), and stMSCShhKO (D). H&E stains of stomach sections collected from inflamed GKO mice gastric transplanted with wtMSC (E), wtMSCShh (F), stMSCvect (G), and stMSCShhKO (H).