Immunostimulatory Effects Triggered by Enterococcus faecalis CECT7121 Probiotic Strain Involve Activation of Dendritic Cells and Interferon-Gamma Production.
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AuthorsMolina, Matías Alejandro
Díaz, Ailén Magalí
Gentilini, María Virginia
Nuñez, Guillermo Gabriel
Canellada, Andrea Mercedes
Castro, Marisa Silvia
Manghi, Marcela Alejandra
MetadataShow full item record
AbstractProbiotics can modulate the immune system, conferring beneficial effects on the host. Understanding how these microorganisms contribute to improve the health status is still a challenge. Previously, we have demonstrated that Enterococcus faecalis CECT7121 implants itself and persists in the murine gastrointestinal tract, and enhances and skews the profile of cytokines towards the Th1 phenotype in several biological models. Given the importance of dendritic cells (DCs) in the orchestration of immunity, the aim of this work was to elucidate the influence of E. faecalis CECT7121 on DCs and the outcome of the immune responses. In this work we show that E. faecalis CECT7121 induces a strong dose-dependent activation of DCs and secretion of high levels of IL-12, IL-6, TNFα, and IL-10. This stimulation is dependent on TLR signaling, and skews the activation of T cells towards the production of IFNγ. The influence of this activation in the establishment of Th responses in vivo shows the accumulation of specific IFNγ-producing cells. Our findings indicate that the activation exerted by E. faecalis CECT7121 on DCs and its consequence on the cellular adaptive immune response may have broad therapeutic implications in immunomodulation.
CitationImmunostimulatory Effects Triggered by Enterococcus faecalis CECT7121 Probiotic Strain Involve Activation of Dendritic Cells and Interferon-Gamma Production. 2015, 10 (5):e0127262 PLoS ONE
AffiliationHelmholtz Centre for infection research, Inhoffenstr. 7, 38124 Braunschweig, Germany.
The following license files are associated with this item:
- Probiotic activity of Enterococcus faecalis CECT7121: effects on mucosal immunity and intestinal epithelial cells.
- Authors: Castro MS, Molina MA, Azpiroz MB, Díaz AM, Ponzio R, Sparo MD, Manghi MA, Canellada AM
- Issue date: 2016 Oct
- Immunomodulatory properties of cell wall extract from Enterococcus faecalis CECT7121.
- Authors: Sparo M, Delpech G, Batisttelli S, Basualdo JÁ
- Issue date: 2014 Sep-Oct
- Beneficial activity of Enterococcus faecalis CECT7121 in the anti-lymphoma protective response.
- Authors: Castro MS, Molina MA, Di Sciullo P, Azpiroz MB, Leocata Nieto F, Sterín-Speziale NB, Mongini C, Manghi MA
- Issue date: 2010 Oct
- Preliminary studies on the prevention of the ovalbumin-induced allergic response by Enterococcus faecalis CECT7121 in mice.
- Authors: Castro MS, Azpiroz MB, Molina MA, Mourelle AC, Alaniz FS, Maldonado AM, Manghi MA
- Issue date: 2012
- Potentiation of the humoral immune response elicited by a commercial vaccine against bovine respiratory disease by Enterococcus faecalis CECT7121.
- Authors: Díaz AM, Almozni B, Molina MA, Sparo MD, Manghi MA, Canellada AM, Castro MS
- Issue date: 2018 Jun 15