Article Publish Status: FREE
Abstract Title:

DDS-1 Modulates the Gut Microbiota and Improves Metabolic Profiles in Aging Mice.

Abstract Source:

Nutrients. 2018 Sep 6 ;10(9). Epub 2018 Sep 6. PMID: 30200669

Abstract Author(s):

Ravichandra Vemuri, Tanvi Shinde, Rohit Gundamaraju, Shakuntla V Gondalia, Avinash V Karpe, David J Beale, Christopher J Martoni, Rajaraman Eri

Article Affiliation:

Ravichandra Vemuri


Recent evidence suggests that gut microbiota shifts can alter host metabolism even during healthy aging.DDS-1, a probiotic strain, has shown promising probiotic character in vitro, as well as in clinical studies. The present study was carried out to investigate whether DDS-1 can modulate the host metabolic phenotype under the condition of age-affected gut microbial shifts in young and aging C57BL/6J mice. Collected fecal samples were analyzed using 16S rRNA gene sequencing for identifying gut microbiota and untargeted gas chromatography-mass spectrometry (GC-MS) metabolomics analysis. Gut microbial shifts were observed in the control groups (young and aging), leading to an alteration in metabolism. Principal coordinate analysis (PCoA) of microbiota indicated distinct separation in both the DDS-1-treated groups.DDS-1 increased the relative abundances of beneficial bacteria, such asandspp., and reduced the relative levels of opportunistic bacteria such asspp. Metabolic pathway analysis identified 10 key pathways involving amino acid metabolism, protein synthesis and metabolism, carbohydrate metabolism, and butanoate metabolism. These findings suggest that modulation of gut microbiota by DDS-1 results in improvement of metabolic phenotype in the aging mice.

Study Type : Animal Study

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