Supernatant from Bifidobacterium Differentially Modulates Transduction Signaling Pathways for Biological Functions of Human Dendritic Cells
2008

How Bifidobacterium Affects Immune Cells

Sample size: 10 publication 10 minutes Evidence: moderate

Author Information

Author(s): Hoarau Cyrille, Martin Laurence, Faugaret Delphine, Baron Christophe, Dauba Audrey, Aubert-Jacquin Cécile, Velge-Roussel Florence, Lebranchu Yvon

Primary Institution: Université François-Rabelais, Tours, France

Hypothesis

The study investigates how a fermentation product from Bifidobacterium breve influences the signaling pathways in human dendritic cells.

Conclusion

The fermentation product from Bifidobacterium can activate different signaling pathways to modulate the functions of dendritic cells.

Supporting Evidence

  • Bifidobacterium breve can induce maturation and prolonged survival of dendritic cells.
  • The PI3K pathway is positively involved in dendritic cell survival.
  • Different signaling pathways are activated by Bifidobacterium compared to pathogenic bacteria.
  • Bifidobacterium influences the balance of IL-10 and IL-12 production in dendritic cells.

Takeaway

This study shows that a type of good bacteria can help our immune cells work better and stay alive longer.

Methodology

Dendritic cells were derived from human monocytes and treated with a Bifidobacterium fermentation product, with various inhibitors used to study signaling pathways.

Limitations

The study may have variability in cytokine production among different donors.

Participant Demographics

Healthy volunteer donors provided blood for dendritic cell isolation.

Statistical Information

P-Value

0.004

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0002753

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