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Daily ingestion of Akkermansia mucciniphila for one month promotes healthy aging and increases lifespan in old female mice

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Abstract

The ingestion of certain probiotics has been suggested as a promising nutritional strategy to improve aging. The objective of this work was to evaluate the effects of the daily intake, for a month, of a new probiotic Akkermansia muciniphila (AKK) (2 × 108 cfu/100µL PBS) on behavior, as well as function and redox state of immune cells of old female ICR-CD1 mice (OA group). For this, several behavioral tests were performed, and function and oxidative-inflammatory stress parameters of peritoneal leukocytes were analyzed in OA group, in a group of the same age that did not take AKK (old control, OC group) and in another adult control (AC) group. The results showed, in OA group, a significant improvement of several behavioral responses (coordination, balance, neuromuscular vigor, exploratory ability and anxiety like-behaviors), as well as in immune functions (chemotaxis, phagocytosis, NK activity and lymphoproliferation) and in oxidative stress parameters (glutathione peroxidase and reductase activities, oxidized glutathione and lipid oxidation concentrations) of the peritoneal leukocytes in comparison to those observed in OC group. In addition, peritoneal immune cells from the OA group released lower basal concentrations of pro-inflammatory cytokines (IL-2, IL-6 and TNF-α) compared to those from the OC group. The values of parameters in OA were similar to those in AC group. These improvements in the old mice receiving the probiotic were reflected in an increase in their lifespan. In conclusion, our data indicate that AKK supplementation for a short period could be a good nutritional strategy to promote healthy longevity.

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All material used and data generated or analyzed during this study are included in this published article.

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Acknowledgements

We would also like to thank Kate Engel for her critical proofreading of the English language of the manuscript.

Funding

This work was supported by the Research Group UCM (910379) to MDLF.

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Conceptualization, MDLF and MG; methodology, EDC, ML, NS and JF; data curation, EDC; writing—original draft preparation, EDC; writing—review and editing, MDLF, MG, EDC and NS. All authors have read and agreed to the published version of the manuscript.

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Correspondence to Mónica De la Fuente.

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The protocol was approved by the Committee on Animal Experimentation of the Complutense University of Madrid, and the animals were treated in accordance with the guidelines of Royal Decree 53/2013 of 1 February 2013 (BOE No. 34) on the protection of animals used for experimentation and other scientific purposes.

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Cerro, E.DD., Lambea, M., Félix, J. et al. Daily ingestion of Akkermansia mucciniphila for one month promotes healthy aging and increases lifespan in old female mice. Biogerontology 23, 35–52 (2022). https://doi.org/10.1007/s10522-021-09943-w

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