Abstract
The model of ileocaecal resection (ICR) in IL-10−/− mice provides us a new way to investigate the postsurgical inflammation of intestinal anastomosis. As an extracts isolated from Tripterygium wilfordii Hook F (TWHF), triptolide has been used to treat Crohn's disease for years. Several mechanisms have been interpreted in previous studies. MiR-155, which can be inhibited by triptolide, has a powerful ability in regulating immune cells. As a target of miR-155, SHIP-1 is a potent inhibitor of many inflammatory pathways. MiR-155/SHIP-1 pathway plays an important role in the inflammatory conditions. We hypothesized that triptolide would ameliorate the postsurgical intestine inflammation especially the anastomosis inflammation by inhibition of miR-155/SHIP-1 pathway. Histological examination, as well as examination of calprotectin and MPO, demonstrated triptolide significantly reduced the severity of postsurgical intestine inflammation. Our data also suggested triptolide could suppress miR-155/SHIP-1 signaling pathway and attenuated expression of inflammatory cytokines in IL-10−/− mice performed ICR.
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