MassIVE MSV000089916

Partial Public PXD035386

Intake of high dairy products modifies the correlation between a-tocopherol levels and serum proteins related to lipid metabolism in subjects at risk of type 2 diabetes

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Description

The aim of this study is to investigate the relationship between a-tocopherol levels and serum protein profiles in human subjects at risk of T2D before and after intake of adequate dairy (AD) or high dairy (HD) products. In this crossover study, dietary intake of 25 subjects with hyperinsulinemia included: 1- pre-AD intake; 2- pre-HD intake; 3- post- AD intake (less or equal 2 servings/day); and 4- post-HD intake (more or equal than 4 servings/day) assessed by food frequency questionnaire. At each intake, serum a-tocopherol level was measured by gas chromatography-spectrometry and serum proteins were identified and quantified by liquid chromatography-mass spectrometry. Spearman correlation and gene ontology analyses were performed to identify biological pathways affected by dairy intake. a-tocopherol levels were associated with proteins that regulate lipid homeostasis and immune response. However, the increase intake of dairy products modified these associations in subjects with T2D. [doi:10.25345/C59C6S491] [dataset license: CC0 1.0 Universal (CC0 1.0)]

Keywords: Vitamin E, a-tocopherol, type 2 diabetes, dairy products, mass spectrometry, serum proteomic profile.

Contact

Principal Investigators:
(in alphabetical order) 		Michel Lebel, Centre Hospitalier Universite Laval, Canada
Submitting User: MicLeb
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