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Title: Drinking fermented milk containing Lactobacillus paracasei 431 (IMULUS™) improves immune response against H1N1 and cross-reactive H3N2 viruses after influenza vaccination: A pilot randomized triple-blinded placebo controlled trial
Authors: Dunyaporn Trachootham
Chaowanee Chupeerach
Siriporn Tuntipopipat
Lilly Pathomyok
Kobporn Boonnak
Kemika Praengam
Chadamas Promkam
Chalat Santivarangkna
Mahidol University
Keywords: Agricultural and Biological Sciences
Issue Date: 1-Jun-2017
Citation: Journal of Functional Foods. Vol.33, (2017), 1-10
Abstract: © 2017 Elsevier Ltd A randomized triple-blinded placebo controlled trial was conducted in healthy adults to evaluate the effects of daily consumption of fermented probiotic milk on immune response towards influenza virus type H1N1, H3N2 and Flu-B. Study and placebo groups (n = 30 each) consumed fermented milk containing 109 Lactobacillus casei 431 and acidified milk respectively, and the vaccination was administered two weeks thereafter. The consumption continued for another four weeks. Anti-viral response was tested by Hemagglutination Inhibition (HAI) and ELISA assays. Results showed that study group had higher seroconversion rates for H1N1 and cross-reactive H3N2; higher HAI response (≥2-fold) rates for cross-reactive H3N2 virus; and increased ratios of geometric mean (study/placebo) for HAI titers and IgM of H1N1 and H3N2 viruses following the vaccination. These pilot results indicated that drinking fermented milk may be an approach to raise immune response against influenza A, especially for participants with low pre-existing immune. Clinical Trial Registry: NCT02909842
ISSN: 17564646
Appears in Collections:Scopus 2016-2017

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