Growth differentiation factor 15 (GDF-15) is strongly associated with cardiovascular disease (CVD). The aim of our study was to\nevaluate plasma and urinary levels of GDF-15 after pediatric renal transplantation (Rtx) and in children with chronic kidney\ndisease (CKD) and its associations to cardiovascular risk factors. In this cross-sectional study, GDF-15 was measured in plasma\nand urine from 53 children with a renal transplant and 83 children with CKD and related to cardiovascular risk factors\n(hypertension, obesity, and cholesterol) and kidney function. Forty healthy children served as a control group. Plasma levels of\nGDF-15 (median and range) for a Tx (transplantation) cohort, CKD cohort, and healthy controls were, respectively, 865 ng/L\n(463-3039 ng/L), 508 ng/L (183-3279 ng/L), and 390 ng/L (306-657 ng/L). The CKD and Tx cohorts both had significantly\nhigher GDF-15 levels than the control group.....................
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