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Developmental Signa...
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Swann, JRKarolinska Institutet
(author)
Developmental Signatures of Microbiota-Derived Metabolites in the Mouse Brain
- Article/chapterEnglish2020
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LIBRIS-ID:oai:prod.swepub.kib.ki.se:143898766
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http://kipublications.ki.se/Default.aspx?queryparsed=id:143898766URI
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https://doi.org/10.3390/metabo10050172DOI
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Language:English
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Summary in:English
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Subject category:ref swepub-contenttype
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Subject category:art swepub-publicationtype
Notes
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The gut microbiome is recognized to exert a wide-ranging influence on host health and disease, including brain development and behavior. Commensal bacteria can produce bioactive molecules that enter the circulation and impact host physiology and homeostasis. However, little is known about the potential for these metabolites to cross the blood–brain barrier and enter the developing brain under normal physiological conditions. In this study, we used a liquid chromatography–mass spectrometry-based metabolomic approach to characterize the developmental profiles of microbial-derived metabolites in the forebrains of mice across three key postnatal developmental stages, co-occurring with the maturation of the gut microbiota. We demonstrate that direct metabolites of the gut microbiome (e.g., imidazole propionate) or products of the combinatorial metabolism between the microbiome and host (e.g., 3-indoxyl-sulfate, trimethylamine-N-oxide, and phenylacetylglycine) are present in the forebrains of mice as early as the neonatal period and remain into adulthood. These findings demonstrate that microbial-associated molecules can cross the BBB either in their detected form or as precursor molecules that undergo further processing in the brain. These chemical messengers are able to bind receptors known to be expressed in the brain. Alterations in the gut microbiome may therefore influence neurodevelopmental trajectories via the regulation of these microbial-associated metabolites.
Added entries (persons, corporate bodies, meetings, titles ...)
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Spitzer, SO
(author)
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Diaz Heijtz, RKarolinska Institutet
(author)
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Karolinska Institutet
(creator_code:org_t)
Related titles
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In:Metabolites: MDPI AG10:52218-1989
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