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Effect of frequent consumption of a Lactobacillus casei‐containing milk drink in Helicobacter pylori‐colonized subjects

Cats, A. ; Kuipers, E. J. ; Bosschaert, M. A. R. ; Pot, R. G. J. ; Vandenbroucke‐Grauls, C. M. J. E. ; Kusters, J. G.

Alimentary pharmacology & therapeutics, 2003-02, Vol.17 (3), p.429-435 [Periódico revisado por pares]

Oxford, UK: Blackwell Science Ltd

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Título:
Effect of frequent consumption of a Lactobacillus casei‐containing milk drink in Helicobacter pylori‐colonized subjects
Autor: Cats, A. ; Kuipers, E. J. ; Bosschaert, M. A. R. ; Pot, R. G. J. ; Vandenbroucke‐Grauls, C. M. J. E. ; Kusters, J. G.
Assuntos: Adult ; Aged ; Animals ; Beverages ; Biological and medical sciences ; Dietary Supplements ; Female ; General pharmacology ; Helicobacter Infections - enzymology ; Helicobacter Infections - prevention & control ; Helicobacter pylori - growth & development ; Humans ; Lactobacillus casei - physiology ; Male ; Medical sciences ; Middle Aged ; Milk - microbiology ; Pharmacognosy. Homeopathy. Health food ; Pharmacology. Drug treatments ; Urease - metabolism
É parte de: Alimentary pharmacology & therapeutics, 2003-02, Vol.17 (3), p.429-435
Notas: ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
ObjectType-News-3
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Descrição: Summary Background : Several studies have reported inhibitory effects of lactic acid bacteria on bacterial pathogens. Aim : To test whether a drink containing Lactobacillus casei strain Shirota inhibits Helicobacter pylori growth. Methods : The in vitro growth inhibition of H. pylori was studied when L. casei was added to plates previously inoculated with H. pylori reference strain NCTC 11637. In an intervention study, 14 H. pylori‐positive subjects were given Yakult drink (108 colony‐forming units/mL L. casei) thrice daily during meals for 3 weeks. Six untreated H. pylori‐positive subjects served as controls. H. pylori bacterial loads were determined using the 13C‐urea breath test, which was performed before and 3 weeks after the start of L. casei supplementation. Results : In vitro, L. casei inhibits H. pylori growth. This effect was stronger with L. casei grown in milk solution than in DeMan–Rogosa–Sharpe medium. No growth inhibition was shown with medium inoculated with lactic acid, Escherichia coli strain DH5α or uninoculated medium. Filtration of L. casei culture before incubation with H. pylori completely abolished the inhibitory effect. Urease activity decreased in nine of the 14 (64%) subjects with L. casei supplementation and in two of the six (33%) controls (P = 0.22). Conclusions : Viable L. casei are required for H. pylori growth inhibition. This does not result from changes in lactic acid concentration. In addition, a slight, but non‐significant, trend towards a suppressive effect of L. casei on H. pylori in vivo may exist.
Editor: Oxford, UK: Blackwell Science Ltd
Idioma: Inglês

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Effect of frequent consumption of a Lactobacillus casei‐containing milk drink in Helicobacter pylori‐colonized subjects

Cats, A. ; Kuipers, E. J. ; Bosschaert, M. A. R. ; Pot, R. G. J. ; Vandenbroucke‐Grauls, C. M. J. E. ; Kusters, J. G.

Oxford, UK: Blackwell Science Ltd

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