Metabolomics applied to diabetes-lessons from human population studies.

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Griffin, Julian L 

The 'classical' distribution of type 2 diabetes (T2D) across the globe is rapidly changing and it is no longer predominantly a disease of middle-aged/elderly adults of western countries, but it is becoming more common through Asia and the Middle East, as well as increasingly found in younger individuals. This global altered incidence of T2D is most likely associated with the spread of western diets and sedentary lifestyles, although there is still much debate as to whether the increased incidence rates are due to an overconsumption of fats, sugars or more generally high-calorie foods. In this context, understanding the interactions between genes of risk and diet and how they influence the incidence of T2D will help define the causative pathways of the disease. This review focuses on the use of metabolomics in large cohort studies to follow the incidence of type 2 diabetes in different populations. Such approaches have been used to identify new biomarkers of pre-diabetes, such as branch chain amino acids, and associate metabolomic profiles with genes of known risk in T2D from large scale GWAS studies. As the field develops, there are also examples of meta-analysis across metabolomics cohort studies and cross-comparisons with different populations to allow us to understand how genes and diet contribute to disease risk. Such approaches demonstrate that insulin resistance and T2D have far reaching metabolic effects beyond raised blood glucose and how the disease impacts systemic metabolism.

Cohort studies, Large-case studies, Mass spectrometry, Metabonomics, NMR spectroscopy, Diabetes Mellitus, Type 2, Dietary Carbohydrates, Dietary Fats, Genome-Wide Association Study, Humans, Incidence, Metabolomics, Risk Factors
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Int J Biochem Cell Biol
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Elsevier BV
Medical Research Council (MR/P011705/1)
Biotechnology and Biological Sciences Research Council (BB/L024152/1)
Medical Research Council (MR/P01836X/1)
Medical Research Council (MR/P024416/1)
Medical Research Council (MC_PC_13030)