Lactobacillus reuteri supplements do not affect salivary IgA or cytokine levels in healthy subjects : A randomized, double-blind placebo-controlled, cross-over trial

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Lactobacillus reuteri supplements do not affect salivary IgA or cytokine levels in healthy subjects : A randomized, double-blind placebo-controlled, cross-over trial

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Publication Article, peer reviewed scientific
Title Lactobacillus reuteri supplements do not affect salivary IgA or cytokine levels in healthy subjects : A randomized, double-blind placebo-controlled, cross-over trial
Author Jorgensen, Mette Rose ; Keller, Mette Kirstine ; Kragelund, Camilla ; Hamberg, Kristina ; Ericson, Dan ; Nielsen, Claus Henrik ; Twetman, Svante
Date 2016
English abstract
Objectives: To evaluate the effect of daily ingestion of probiotic lactobacilli on the levels of secretory IgA (sIgA) and selected cytokines in whole saliva of healthy young adults. Materials and methods: The study group consisted of 47 healthy adults (18-32 years) who volunteered for a randomized, double-blind, placebo-controlled, cross-over trial after informed consent. During intervention, the subjects ingested two lozenges per day containing two strains of the probiotic bacterium Lactobacillus reuteri (DSM 17938 and ATCC PTA 5289) or placebo lozenges. The intervention and wash-out periods were 3 weeks. Saliva samples were collected at baseline, immediately after each intervention period and 3 weeks post-intervention. ELISA was used to measure sIgA and luminex technology was used to measure the interleukins (IL)-1, IL-6, IL-8 and IL-10. For statistical analyses a mixed ANOVA model was employed to calculate changes in the salivary outcome variables Results: Forty-one subjects completed the study and reported a good compliance. No significant differences in the concentrations of salivary sIgA or cytokines were recorded between the L. reuteri and placebo interventions or between baseline and 3 weeks post-intervention levels. No side- or adverse effects were reported Conclusions: Supplementation with two strains of the probiotic L. reuteri did not affect sIgA or cytokine levels in whole saliva in healthy young adults. The results thereby indicate that daily oral supplementation with L. reuteri do not seem to modulate the salivary oral immune response in healthy young subjects
DOI https://doi.org/10.3109/00016357.2016.1169439 (link to publisher's fulltext.)
Publisher Informa Healthcare
Host/Issue Acta Odontologica Scandinavica;5
Volume 74
ISSN 0001-6357
Pages 399-404
Language eng (iso)
Subject immunoglobulins
interleukins
probiotics
clinical studies
Medicine
Research Subject Categories::ODONTOLOGY
Handle http://hdl.handle.net/2043/23094 Permalink to this page
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