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Circulating plasma proteins and new-onset diabetes in a population-based study: proteomic and genomic insights from the STANISLAS cohort

Abstract : Objective: Determining the factors associated with new-onset pre-diabetes and type 2 diabetes mellitus (T2D) is important for improving the current prevention strategies and for a better understanding of the disease. Design: To study the factors (clinical, circulating protein and genetic) associated with new onset pre-diabetes and T2D in an initially healthy (without diabetes) populational familial cohort with a long follow-up (STANISLAS cohort). Methods: 1506 participants that attended both the visit-1 and visit-4, separated by ≈20 years. Over 400 proteins, GWAS and genetic associations were studied using models adjusted for potential confounders. Both prospective (V1 to V4) and cross-sectional (V4) analyses were performed. Results: People who developed pre-diabetes (n =555) and/or T2D (n =73) were older, had higher BMI, blood pressure, glucose, LDL cholesterol, and lower eGFR. After multivariable selection, PAPP-A (pappalysin-1) was the only circulating protein associated with the onset of both pre-diabetes and T2D with associations persisting at visit-4 (i.e., ≈20 years later). FGF-21 (fibroblast growth factor 21) was a strong prognosticator for incident T2D in the longitudinal, but not in the cross-sectional analysis. The heritability of the circulating PAPP-A was estimated at 44%. In GWAS analysis the SNP rs634737 was associated with PAPP-A both at V1 and V4. External replication also showed lower levels of PAPP-A in patients with T2D. Conclusions: The risk of developing pre-diabetes and T2D increases with age, and with features of the metabolic syndrome. Circulating PAPP-A, which has an important genetic component, was associated with both the development and presence of pre-diabetes and T2D.
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https://hal.univ-lorraine.fr/hal-02917113
Contributor : Erwan Bozec <>
Submitted on : Tuesday, August 18, 2020 - 4:15:57 PM
Last modification on : Thursday, January 7, 2021 - 4:00:03 PM
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Joao Pedro Ferreira, Zohra Lamiral, Constance Xhaard, Kévin Duarte, Emmanuel Bresso, et al.. Circulating plasma proteins and new-onset diabetes in a population-based study: proteomic and genomic insights from the STANISLAS cohort. European Journal of Endocrinology, BioScientifica, 2020, 183 (3), pp.285-295. ⟨10.1530/EJE-20-0246⟩. ⟨hal-02917113⟩

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