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- W1550179270 abstract "Background: The interest in non-antibiotic therapies for Helicobacter pylori infections in man has considerably grown because increasing numbers of antibiotic-resistant strains are being reported. Intervention at the stage of bacterial attachment to the gastric mucosa could be an approach to improve the control/eradication rate of this infection. Materials and Methods: Fractions of purified milk fat globule membrane glycoproteins were tested in vitro for their cytotoxic and direct antibacterial effect. The anti-adhesive effect on H. pylori was determined first in a cell model using the mucus-producing gastric epithelial cell line NCI-N87 and next in the C57BL/6 mouse model after dosing at 400 mg/kg protein once or twice daily from day −2 to day 4 post-infection. Bacterial loads were determined by using quantitative real-time PCR and the standard plate count method. Results: The milk fat globule membrane fractions did not show in vitro cytotoxicity, and a marginal antibacterial effect was demonstrated for defatted milk fat globule membrane at 256 μg/mL. In the anti-adhesion assay, the results varied from 56.0 ± 5.3% inhibition for 0.3% crude milk fat globule membrane to 79.3 ± 3.5% for defatted milk fat globule membrane. Quite surprisingly, in vivo administration of the same milk fat globule membrane fractions did not confirm the anti-adhesive effects and even caused an increase in bacterial load in the stomach. Conclusions: The promising anti-adhesion in vitro results could not be confirmed in the mouse model, even after the highest attainable exposure. It is concluded that raw or defatted milk fat globule membrane fractions do not have any prophylactic or therapeutic potential against Helicobacter infection." @default.
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- W1550179270 date "2012-03-20" @default.
- W1550179270 modified "2023-10-17" @default.
- W1550179270 title "Evaluation of the Anti-Adhesive Effect of Milk Fat Globule Membrane Glycoproteins on Helicobacter pylori in the Human NCI-N87 Cell Line and C57BL/6 Mouse Model" @default.
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- W1550179270 doi "https://doi.org/10.1111/j.1523-5378.2012.00948.x" @default.
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