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Ly6C(hi) monocytes provide a link between antibiotic-induced changes in gut microbiota and adult hippocampal neurogenesis

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Item Type:Article
Title:Ly6C(hi) monocytes provide a link between antibiotic-induced changes in gut microbiota and adult hippocampal neurogenesis
Creators Name:Moehle, L. and Mattei, D. and Heimesaat, M.M. and Bereswill, S. and Fischer, A. and Alutis, M. and French, T. and Hambardzumyan, D. and Matzinger, P. and Dunay, I.R. and Wolf, S.A.
Abstract:Antibiotics, though remarkably useful, can also cause certain adverse effects. We detected that treatment of adult mice with antibiotics decreases hippocampal neurogenesis and memory retention. Reconstitution with normal gut flora (SPF) did not completely reverse the deficits in neurogenesis unless the mice also had access to a running wheel or received probiotics. In parallel to an increase in neurogenesis and memory retention, both SPF-reconstituted mice that ran and mice supplemented with probiotics exhibited higher numbers of Ly6C(hi) monocytes in the brain than antibiotic-treated mice. Elimination of Ly6C(hi) monocytes by antibody depletion or the use of knockout mice resulted in decreased neurogenesis, whereas adoptive transfer of Ly6C(hi) monocytes rescued neurogenesis after antibiotic treatment. We propose that the rescue of neurogenesis and behavior deficits in antibiotic-treated mice by exercise and probiotics is partially mediated by Ly6C(hi) monocytes.
Keywords:Adoptive Transfer, Aging, Anti-Bacterial Agents, Antibiosis, Antigens, Ly, Brain, Cell Count, Cells, Cultured, Coculture Techniques, Fecal Microbiota Transplantation, Gastrointestinal Microbiome, Gastrointestinal Tract, Hippocampus, Mice, Inbred C57BL, Monocytes, Neural Stem Cells, Neurogenesis, Physical Conditioning, Animal, Probiotics, Spheroids, Cellular, Animals, Mice, Knockout
Source:Cell Reports
Publisher:Cell Press / Elsevier
Page Range:1945-1956
Date:31 May 2016
Official Publication:https://doi.org/10.1016/j.celrep.2016.04.074
PubMed:View item in PubMed

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