Immune Modulating Capability of Two Exopolysaccharide-Producing Bifidobacterium Strains in a Wistar Rat Model

Fermented dairy products are the usual carriers for the delivery of probiotics to humans, Bifidobacterium and Lactobacillus being the most frequently used bacteria. In this work, the strains Bifidobacterium animalis subsp. lactis IPLA R1 and Bifidobacterium longum IPLA E44 were tested for their capa...

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Veröffentlicht in:BioMed research international 2014-01, Vol.2014 (2014), p.1-9
Hauptverfasser: González, Celestino, de los Reyes-Gavilán, Clara G., Ruas-Madiedo, Patricia, Salazar, Nuria, Suárez, Ana, Gueimonde, Miguel, Cabello, Estefanía, López, Patricia, Garrido, Pablo, Moran, Javier
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container_issue 2014
container_start_page 1
container_title BioMed research international
container_volume 2014
creator González, Celestino
de los Reyes-Gavilán, Clara G.
Ruas-Madiedo, Patricia
Salazar, Nuria
Suárez, Ana
Gueimonde, Miguel
Cabello, Estefanía
López, Patricia
Garrido, Pablo
Moran, Javier
description Fermented dairy products are the usual carriers for the delivery of probiotics to humans, Bifidobacterium and Lactobacillus being the most frequently used bacteria. In this work, the strains Bifidobacterium animalis subsp. lactis IPLA R1 and Bifidobacterium longum IPLA E44 were tested for their capability to modulate immune response and the insulin-dependent glucose homeostasis using male Wistar rats fed with a standard diet. Three intervention groups were fed daily for 24 days with 10% skimmed milk, or with 109 cfu of the corresponding strain suspended in the same vehicle. A significant increase of the suppressor-regulatory TGF-β cytokine occurred with both strains in comparison with a control (no intervention) group of rats; the highest levels were reached in rats fed IPLA R1. This strain presented an immune protective profile, as it was able to reduce the production of the proinflammatory IL-6. Moreover, phosphorylated Akt kinase decreased in gastroctemius muscle of rats fed the strain IPLA R1, without affecting the glucose, insulin, and HOMA index in blood, or levels of Glut-4 located in the membrane of muscle and adipose tissue cells. Therefore, the strain B. animalis subsp. lactis IPLA R1 is a probiotic candidate to be tested in mild grade inflammation animal models.
doi_str_mv 10.1155/2014/106290
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subjects Administration, Oral
Animals
Bifidobacterium
Bifidobacterium - immunology
Bifidobacterium - metabolism
Bifidobacterium animalis
Bifidobacterium longum
Care and treatment
Colleges & universities
Cytokines
Cytokines - metabolism
Dairy products
Fermentation
Health aspects
Homeostasis
Humans
Immunologic Factors - metabolism
Inflammation
Insulin
Interleukin-6 - metabolism
Lactobacillus
Male
Microorganisms
Milk - microbiology
Models, Animal
Molecular weight
Nutrition research
Obesity
Polysaccharides, Bacterial - metabolism
Probiotics
Probiotics - administration & dosage
Rats
Rats, Wistar
Rodents
title Immune Modulating Capability of Two Exopolysaccharide-Producing Bifidobacterium Strains in a Wistar Rat Model
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