Lactobacillus rhamnosus GG-Derived Soluble Mediators Modulate Adaptive Immune Cells

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Effects of Lactobacillus rhamnosus GG on saliva-derived microcosms.

OBJECTIVE The probiotic strain Lactobacillus rhamnosus GG (LGG) is shown to hamper the presence of mutans streptococci in saliva and may have positive effects on oral health. We investigated the effects of LGG on the cariogenic potential and microbial composition of saliva-derived microcosms. DESIGN Single and dual species biofilms of LGG and Streptococcus mutans, and saliva-derived microcosm...

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Immunomodulation of Lactobacillus rhamnosus GG (LGG)-derived soluble factors on antigen-presenting cells of healthy blood donors

Lactobacillus rhamnosus GG (LGG) cells have been shown to promote type-1 immune responsiveness; however knowledge of immunomodulation of soluble factors secreted by LGG is limited. This is the first study to investigate whether LGG soluble factors promote a comparable immune responsiveness as the bacterial cells. Both treatments - LGG conditioned medium with (CM + LGG) or without (CM) LGG cells...

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Lactobacillus rhamnosus GG Protects Cells from Clostridium difficile Toxins

Aims: To determine the anti-cytotoxic effects of Lactobacillus rhamnosus GG (LGG) against extracellular and intracellular Clostridium difficile toxins. Study Design: Co-culture system. Place and Duration of Study: Division of Infectious Diseases, Department of Medicine, School of Medicine and Public Health and Department of Pathobiological Sciences, School of Veterinary Medicine, Madison, Wisco...

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Bile Resistance in Lactobacillus rhamnosus GG: Stability and Mechanisms

Lactobacillus rhamnosus GG is a lactic acid bacterium that is widely used as probiotic products in the dairy industry. To gain insights into the genome stability of the L. rhamnosus GG in the human gastrointestinal tract and the possible adaption mechanism under different stresses, we first examined the genotype and phenotype of the L. rhamnosus GG grown over 1000 generations under various stre...

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Lactobacillus rhamnosus GG (LGG) is one of the most widely used probiotic strains. Various health effects are well documented including the prevention and treatment of gastro-intestinal infections and diarrhea, and stimulation of immune responses that promote vaccination or even prevent certain allergic symptoms. However, not all intervention studies could show a clinical benefit and even for t...

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ژورنال

عنوان ژورنال: Frontiers in Immunology

سال: 2018

ISSN: 1664-3224

DOI: 10.3389/fimmu.2018.01546