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Anti-inflammatory effects of mannanase-hydrolyzed copra meal in a porcine model of colitis.


ABSTRACT: We evaluated the anti-inflammatory activity of mannanase-hydrolyzed copra meal (MNB), including ?-1,4-mannobiose (67.8%), in a dextran sodium sulfate (DSS)-induced porcine model of intestinal inflammation. In the DSS-positive control (POS) and MNB treatment (MCM) groups, DSS was first administered to piglets via intragastric catheter for 5 days, followed by 5 days administration of saline or MCM. A negative control group (NEG) received a saline alternative to DSS and MNB. Inflammation was assessed by clinical signs, morphological and histological measurements, gut permeability and neutrophil infiltration. Local production of TNF-? and IL-6 were analyzed by ELISA, colonic and ileal inflammatory gene expressions were assessed by real time RT-PCR, and CD4+CD25+ cell populations were analyzed by flow cytometry. Crypt elongation and muscle thickness, D-mannitol gut permeation, colonic expression of the inflammatory mediators TNF-? and IL-6 and myeloperoxidase activity were significantly lower in the MCM group than in that of POS group. The mRNA levels of ileal IL-1?, IL-6, IL-17 and TNF-? were significantly lower following MCM treatment than with POS treatment.MNB exerts anti-inflammatory activity in vivo, suggesting that MNB is a novel therapeutic that may provide relief to human and animals suffering from intestinal inflammation.

SUBMITTER: Ibuki M 

PROVIDER: S-EPMC4073332 | biostudies-literature | 2014 May

REPOSITORIES: biostudies-literature

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Anti-inflammatory effects of mannanase-hydrolyzed copra meal in a porcine model of colitis.

Ibuki Masahisa M   Fukui Kensuke K   Kanatani Hiroyuki H   Mine Yoshinori Y  

The Journal of veterinary medical science 20140116 5


We evaluated the anti-inflammatory activity of mannanase-hydrolyzed copra meal (MNB), including β-1,4-mannobiose (67.8%), in a dextran sodium sulfate (DSS)-induced porcine model of intestinal inflammation. In the DSS-positive control (POS) and MNB treatment (MCM) groups, DSS was first administered to piglets via intragastric catheter for 5 days, followed by 5 days administration of saline or MCM. A negative control group (NEG) received a saline alternative to DSS and MNB. Inflammation was assess  ...[more]

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