A High Fat/High Sugar Diet Alters the Gastrointestinal Metabolome in a Sex Dependent Manner

Ayland C Letsinger, Rani Menon, Anjushree R Iyer, Heather Vellers, Jorge Z Granados, Arul Jayaraman, J. Timothy Lightfoot

Research output: Contribution to journalArticlepeer-review

Abstract

The gut metabolome offers insight for identifying the source of diet related pathology. As such, the purpose of this study was to characterize alterations of the gut metabolome in female and male C57BL/6J mice randomly assigned to a standard "chow" diet (CHOW) or a high fat/high sugar diet (HFHS; 45% fat and 20% fructose drinking solution) for nine weeks. Cecal metabolites were extracted and an untargeted analysis via LC-MS/MS was performed. Partial Least Sums Discriminate Analysis (PLS-DA) presented significant differences between the two diet groups in a sex-dependent manner. Mann-Whitney U-tests revealed 2443 and 1669 features to be significantly different between diet groups in the females and males, respectively. The majority of altered metabolites were depleted within the cecum of the HFHS fed mice. Metabolic pathways associated with galactose metabolism, leukotriene metabolism, and androgen and estrogen biosynthesis and metabolism were differentially altered with an HFHS diet b
Original languageEnglish
JournalMetabolites
StatePublished - Oct 20 2020

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