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    Dietary supplement with a mixture of fish oil and krill oil has sex-dependent effects on obese mice gut microbiota

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    Type
    Article
    Authors
    Han, Jiaojiao
    Cui, Chenxi
    Li, Yanyan
    Gao, Hang
    Zhang, Hongyan
    Zhang, Chundan
    Li, Ye
    Zhou, Jun
    Lu, Chenyang
    Su, Xiurong
    KAUST Department
    Biological and Environmental Sciences and Engineering (BESE) Division
    Date
    2018-10-22
    Online Publication Date
    2018-10-22
    Print Publication Date
    2018-12
    Permanent link to this record
    http://hdl.handle.net/10754/630618
    
    Metadata
    Show full item record
    Abstract
    The intestinal microbiome is essential for human health. Significant differences in microbiota compositions have been found between individuals, but the impact that sex has on the gut microbiota alterations during obesity alleviation via fish oil and krill oil treatments is unknown. In this study, male and female high-fat-diet induced obese ICR mice received 600 μg g d fish oil, krill oil, or a mixture of both (1:1, 600 μg g d) continuously for 12 weeks. Our results indicated that the oil treatment had a greater efficacy in alleviating obesity in male mice compared with female mice, and the overall structures of the gut microbiota were notably different. Three operational taxonomic units (OTUs) were identified that were highly associated with the obesity phenotype in male mice, while 14 such OTUs were identified in female mice. These findings demonstrated that the alteration of the gut microbiota after fish and krill oil supplementation in mice is sex-associated.
    Citation
    Han J, Cui C, Li Y, Gao H, Zhang H, et al. (2018) Dietary supplement with a mixture of fish oil and krill oil has sex-dependent effects on obese mice gut microbiota. Journal of Functional Foods 51: 47–54. Available: http://dx.doi.org/10.1016/j.jff.2018.07.052.
    Sponsors
    This work was supported by the Natural Science Foundation of Zhejiang Province (LY18C010001), and the General Project of the Zhejiang Education Department (Y20163580), K.C. Wong Magna Fund of Ningbo University. We thank Nature Research Editing Service for English language editing.
    Publisher
    Elsevier BV
    Journal
    Journal of Functional Foods
    DOI
    10.1016/j.jff.2018.07.052
    Additional Links
    http://www.sciencedirect.com/science/article/pii/S1756464618304080
    ae974a485f413a2113503eed53cd6c53
    10.1016/j.jff.2018.07.052
    Scopus Count
    Collections
    Articles; Biological and Environmental Science and Engineering (BESE) Division

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