Lactobacilli activate human dendritic cells that skew T cells toward T helper 1 polarization

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Lactobacilli activate human dendritic cells that skew T cells toward T helper 1 polarization.

Professional antigen-presenting dendritic cells (DCs) are critical in regulating T cell immune responses at both systemic and mucosal sites. Many Lactobacillus species are normal members of the human gut microflora and most are regarded as safe when administered as probiotics. Because DCs can naturally or therapeutically encounter lactobacilli, we investigated the effects of several well define...

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Heat-killed cells of lactobacilli skew the immune response toward T helper 1 polarization in mouse splenocytes and dendritic cell-treated T cells.

It is believed that probiotics play an important role for the health of the host, including modulation of immune responses. Most studies have focused on the immunomodulatory effects of viable cells of lactic acid bacteria; however, we investigated those of heat-killed cells of lactic acid bacteria in this study. We first observed the effects on immune functions via stimulating splenocytes with ...

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ژورنال

عنوان ژورنال: Proceedings of the National Academy of Sciences

سال: 2005

ISSN: 0027-8424,1091-6490

DOI: 10.1073/pnas.0500098102