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Effects of Lactobacillus paracasei 01 fermented milk beverage on protection of intestinal epithelial cell in vitro.

  • 2015-07-28
  • Journal of the Science of Food and Agriculture 96(6)
    • Yen-Po Chen
    • Chih‐An Hsu
    • W. Hung
    • Ming-Ju Chen


Background: Intestinal protection is an important function of probiotics. However, there is no evidence that the potential probiotic Lactobacillus paracasei 01 is able to improve intestinal function. In the present study, the protective effect and underlying mechanisms of L. paracasei 01 on intestinal epithelial cell in vitro were investigated.

Results: A fermented milk beverage containing L. paracasei 01 at 3 × 10(8) CFU mL(-1) was made from skim milk powder, glucose, sucrose and isomaltooligosaccharide. Results indicated that L. paracasei 01 fermented milk beverage could reduce macromolecule permeability caused by dextran sodium sulfate-induced damage. Besides, 50 mL L(-1) fermented milk beverage with live L. paracasei 01 in the cell medium could increase intestinal epithelial cell Caco-2 growth, decrease lipopolysaccharide/tumor necrosis factor-α (TNF-α)/interferon-γ (IFN-γ)-induced Caco-2 cell death and chemokine CCL-20 production. The protecting mechanisms involve promoting intestinal epithelial cell growth and intestinal epithelial integrity to strengthen the intestinal barrier against chemical and inflammatory stimuli-induced damage. Inhibition of inflammatory cytokines and chemokine such as IFN-γ, TNF-α and CCL-20 also contributes to the beneficial effects of this product on epithelial function.

Conclusion: Lactobacillus paracasei 01 fermented milk beverage may be a new functional food with intestinal protecting effects in vitro.

Keywords: Lactobacillus paracasei; fermented milk beverage; intestinal epithelial cell; intestine protection.

Research Insights

SupplementHealth OutcomeEffect TypeEffect Size
Lactobacillus paracasei DSM 13434Enhanced Intestinal Epithelial Cell GrowthBeneficial
Lactobacillus paracasei DSM 13434Reduced Chemokine ProductionBeneficial
Lactobacillus paracasei DSM 13434Reduced Intestinal Cell DeathBeneficial
Lactobacillus paracasei DSM 13434Reduced Macromolecule PermeabilityBeneficial

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