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  • Title: Ellisras Longitudinal Study 2017: elevated serum levels of carboxymethyl-lysine, an advanced glycation end-product, are associated with higher odds of developing endothelial dysfunction in black South African patients with type 2 diabetes mellitus (ELS 29).
    Author: Mogale MA, Mhlanga CM, Gololo SS, Adu A.
    Journal: Cardiovasc J Afr; ; 30(4):193-197. PubMed ID: 31469381.
    Abstract:
    This case-control study investigated the association between major types of serum advanced glycation end-products (AGEs) and selected serum/plasma markers of endothelial dysfunction in black patients with type 2 diabetes mellitus at Dr George Mukhari Academic Hospital. Serum AGEs were measured using either enzyme-linked immunosorbent assay (ELISA) or spectrofluoremetry. Serum markers of endothelial dysfunction were measured using either ELISA or calometry. The correlation and associations between major types of serum AGEs and markers of endothelial dysfunction were investigated using the Spearman correlation coefficient and bivariate logistic regression analysis, respectively. Although both serum total immunogenic AGEs and serum carboxymethyl-lysine (CML) were moderately and negatively associated with endothelial dysfunction, only serum CML was significantly associated with a higher odds for the development of endothelial dysfunction (low nitric oxide levels) in our diabetic subjects. It can therefore be concluded from this study that high serum levels of CML may predispose to endothelial dysfunction in black South Africans with type 2 diabetes.
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