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Data Brief. 2018 May 24;19:1025-1029. doi: 10.1016/j.dib.2018.05.127. eCollection 2018 Aug.

The effect of synbiotics Bifidobacterium infantis and milk oligosaccharides on shaping gut microbiota community structure and NASH treatment.

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Department of Pathology and Laboratory Medicine, University of California, Davis, Sacramento, CA, USA.
Research and Development, Hilmar Ingredients, Hilmar, CA, USA.
Department of Food Science and Technology, University of California, Davis, CA, USA.
Department of Viticulture and Enology, University of California, Davis, CA, USA.


Probiotic Bifidobacterium longum subspecies infantis (Bifidobacterium infantis) consumes human milk oligosaccharides (MO) and protects intestinal permeability thereby having anti-inflammatory effects (Underwood et al., 2015; Bode, 2006; Asakuma et al., 2011) [1-3]. Via the gut-liver axis, gut barrier disruption and dysbiosis lead to hepatic inflammation (Sheng et al., 2017; Jena et al., 2017) [4,5,6]. Our published data revealed that butyrate, as well as synbiotics of B. infantis in combination with MO, had protective effects against cancer-prone non-alcoholic steatohepatitis (NASH) mouse models, i.e., Western diet (WD)-fed bile acid receptor FXR (farnesoid x receptor) knockout (KO) mice (Jena et al., 2018) [6,7]. In addition, MO was particularly effective in increasing the blooming of butyrate-generating bacteria (Jena et al., 2018) [7]. In the present study, we further showed that the reduced ileal short chain fatty acid (SCFA) signaling found in WD-fed FXR KO mice could be reversed by B. infantis and/or MO treatment. Moreover, ileal mRNA levels of SCFA receptors i.e. Gpr41 (Ffar3), Gpr109 (Hcar2), and Gpr43 (Ffar2) were increased in B. infantis and/or MO-treated mice suggesting increased SCFA signaling (Fig. 1). Further, nuclear magnetic resonance (NMR) data revealed that MO and B. Infantis plus MO increased intestinal acetate, propionate, butyrate, and valerate levels (Fig. 2). In addition, B. infantis and/or MO reduced the abundance of genus Bilophila and the relative copy number of bacterial genes including dissimilatory sulfite reductase (dsrA) and methyl coenzyme M reductase A (mcrA), which were all increased in cancer-prone FXR KO mice (Fig. 3).


Inflammation; Probiotics; Short chain fatty acid; Western diet

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