Schistosoma mansoni proteins attenuate gastrointestinal motility disturbances during experimental colitis in mice

Ruyssers, Nathalie E., De Winter, Benedicte Y., De Man, Joris G., Ruyssers, Natacha D., Van Gils, Ann J., Loukas, Alex, Pearson, Mark S., Weinstock, Joel V., Pelckmans, Paul A., and Moreels, Tom G. (2010) Schistosoma mansoni proteins attenuate gastrointestinal motility disturbances during experimental colitis in mice. World Journal of Gastroenterology, 16 (6). pp. 703-712.

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Abstract

AIM: To investigate the therapeutic effect of Schistosoma mansoni ( S. mansoni) soluble worm proteins on gastrointestinal motility disturbances during experimental colitis in mice.

METHODS: Colitis was induced by intrarectal injection of trinitrobenzene sulphate (TNBS) and 6 h later, mice were treated ip with S. mansoni proteins. Experiments were performed 5 d after TNBS injection. Inflammation was quantified using validated inflammation parameters. Gastric emptying and geometric center were measured to assess in vivo gastrointestinal motility. Peristaltic activity of distal colonic segments was studied in vitro using a modified Trendelenburg set-up.Cytokine profiles of T-lymphocytes isolated from the colon were determined by real time reverse transcriptase-polymerase chain reaction.

RESULTS: Intracolonic injection of TNBS caused severe colitis. Treatment with S. mansoni proteins significantly ameliorated colonic inflammation after 5 d. TNBS did not affect gastric emptying but significantly decreased the geometric center and impaired colonic peristaltic activity 5 d after the induction of colitis. Treatment with S. mansoni proteins ameliorated these in vivo and in vitro motility disturbances. In addition, TNBS injection caused a downregulation of effector T cell cytokines after 5 d, whereas a S. mansoni protein effect was no longer observed at this time point.

CONCLUSION: Treatment with S. mansoni proteins attenuated intestinal inflammation and ameliorated motility disturbances during murine experimental colitis.

Item ID: 28675
Item Type: Article (Research - C1)
ISSN: 2219-2840
Keywords: colitis; Crohn's disease; gastrointestinal motility; helminth proteins; peristalsis; Schistosoma mansoni; Trinitrobenzene sulphate
Additional Information:

Article open access from publisher website.

Date Deposited: 19 Aug 2013 02:39
FoR Codes: 11 MEDICAL AND HEALTH SCIENCES > 1108 Medical Microbiology > 110803 Medical Parasitology @ 100%
SEO Codes: 92 HEALTH > 9201 Clinical Health (Organs, Diseases and Abnormal Conditions) > 920109 Infectious Diseases @ 100%
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