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  • Title: Lipoprotein-associated phospholipase A2 is a risk factor for diabetic kidney disease.
    Author: Hu Y, Li TT, Zhou W, Lu TT, Li FF, Ding B, Liu BL, Xie XJ, Ma JH.
    Journal: Diabetes Res Clin Pract; 2019 Apr; 150():194-201. PubMed ID: 30904742.
    Abstract:
    AIMS: This study aimed to determine the association between lipoprotein-associated phospholipase A2 (Lp-PLA2), a marker for inflammation in the vessel wall and independently associated with atherosclerosis, and the incidence of diabetic kidney disease (DKD) in patients with type 2 diabetes (T2D). METHODS: A total of 1452 patients were enrolled in this retrospective cross‑sectional study. We recruited patients with T2D who were tested for glycated hemoglobin, fasting and 2 h post-meal serum C-peptide, blood lipid profile, 24 h urine albumin excretion rate (UAER), blood creatine, blood albumin, uric acid, and Lp-PLA2. RESULTS: Among the patients with T2D, 40.3% were diagnosed with DKD and the correlation between DKD and Lp-PLA2 was the most significant one compared to other diabetic complications (odds ratio = 1.651, P < 0.001). Plasma Lp-PLA2 level in patients with DKD was significantly higher and increased Lp-PLA2 level was independently associated with the incidence of DKD after adjustment for age, gender, duration of diabetes, glycated hemoglobin, body mass index, blood lipids, blood pressure, presence of coronary heart disease and carotid plaque, and use of statins (odds ratio = 1.545, P = 0.013). Lp-PLA2 was found to be positively correlated with UAER (r = 0.123, P < 0.001) and negatively correlated with estimated glomerular filtration rate (eGFR) (r = -0.71, P = 0.009). CONCLUSIONS: Increased plasma level of Lp-PLA2 is associated with incidence and development of DKD in patients with T2D. Lp-PLA2 should be considered as a biomarker for early detection and follow-up of DKD. TRIAL REGISTRATION: clinicaltrials.gov, No. NCT03362112, Registered 30 November 2017, retrospectively registered.
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