Article Publish Status: FREE
Abstract Title:

Maternally transmitted and food-derived glycotoxins: a factor preconditioning the young to diabetes?

Abstract Source:

Diabetes Care. 2010 Oct ;33(10):2232-7. Epub 2010 Jul 13. PMID: 20628088

Abstract Author(s):

Veronica Mericq, Cecilia Piccardo, Weijing Cai, Xue Chen, Li Zhu, Gary E Striker, Helen Vlassara, Jaime Uribarri

Article Affiliation:

Veronica Mericq


OBJECTIVE: Proinflammatory advanced glycation end products (AGEs) found in thermally processed foods correlate with serum AGEs (sAGEs) and promote type 1 and type 2 diabetes in mice. Herein we assess the relationship of maternal blood and food AGEs to circulating glycoxidants, inflammatory markers, and insulin levels in infants up to age 1 year.

RESEARCH DESIGN AND METHODS: AGEs (N(ε)-carboxymethyllysine [CML] and methylglyoxal derivatives) were tested in sera of healthy mothers in labor (n = 60), their infants, and infant foods. Plasma 8-isoprostane, fasting glucose, insulin, leptin, and adiponectin levels were assessed in 12-month-old infants.

RESULTS: Significant correlations were found between newborn and maternal serum CML (sCML) (r = 0.734, P = 0.001) serum methylglyoxal derivatives (sMGs) (r = 0.593, P = 0.001), and 8-isoprostanes (r = 0.644, P = 0.001). Infant adiponectin at 12 months negatively correlated with maternal sCML (r = -0.467, P = 0.011), whereas high maternal sMGs predicted higher infant insulin or homeostasis model assessment (P = 0.027). Infant sAGEs significantly increased with the initiation of processed infant food intake, raising daily AGE consumption by∼7.5-fold in year 1.

CONCLUSIONS: Maternal blood and food-derived AGEs prematurely raise AGEs in children to adult norms, preconditioning them to abnormally high oxidant stress and inflammation and thus possibly to early onset of disease, such as diabetes.

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