Metabolomics reveals relationship between plasma inositols and birth weight: possible markers for fetal programming of type 2 diabetes.
Epidemiological studies in man and with experimental animal models have shown that intrauterine growth restriction (IUGR) resulting in low birth weight is associated with higher risk of programming welfare diseases in later life. In the pig, severe IUGR occurs naturally and contribute substantially to a large intralitter variation in birth weight and may therefore be a good model for man. In the present paper the natural form of IUGR in pigs was studied close to term by nuclear magnetic resonance (NMR-)based metabolomics. The NMR-based investigations revealed different metabolic profiles of plasma samples from low-birth weight (LW) and high-birth weight (HW) piglets, respectively, and differences were assigned to levels of glucose and myo-inositol. Further studies by GC-MS revealed that LW piglets had a significant higher concentration of myoinositol and D-chiro-inositol in plasma compared to larger littermates. Myo-inositol and D-chiro-inositol have been coupled with glucose intolerance and insulin resistance in adults, and the present paper therefore suggests that IUGR is related to impaired glucose metabolism during fetal development, which may cause type 2 diabetes in adulthood.
Nissen
Pia Marlene
PM
Department of Food Science, Faculty of Agricultural Sciences, Research Centre Aarslev, Aarhus University, Aarslev, Denmark.
Nebel
Caroline
C
Oksbjerg
Niels
N
Bertram
Hanne Christine
HC
D000818:Animals; D015415:Biomarkers / Q000097:blood; D001724:Birth Weight / Q000502:physiology*; D003924:Diabetes Mellitus, Type 2 / Q000097:blood*; D005260:Female; D005317:Fetal Growth Retardation / Q000097:blood; D008401:Gas Chromatography-Mass Spectrometry; D007294:Inositol / Q000097:blood*; D008297:Male; D055432:Metabolomics / Q000379:methods*; D015999:Multivariate Analysis; D025341:Principal Component Analysis; D013552:Swine
D015415:Biomarkers; D007294:Inositol
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