Plasma soluble CD36, carotid intima-media thickness and cognitive function in patients with type 2 diabetes
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Submission date: 2015-07-31
Final revision date: 2015-11-01
Acceptance date: 2015-11-07
Online publication date: 2016-06-22
Publication date: 2017-07-28
Arch Med Sci 2017;13(5):1031-1039
Introduction: Diabetes and atherosclerosis are both risk factors of cognitive deficits. Scavenger receptor CD36 is associated with increasing risk of diabetes and atherosclerosis, and may play a role in cognitive deficits. The aim of this study is to determine the correlations of plasma soluble CD36 concentrations with carotid intima-media thickness (IMT) and cognitive function in patients with type 2 diabetes.
Material and methods: We determined the levels of soluble CD36 (sCD36), blood lipids, fasting blood glucose, glycosylated hemoglobin, carotid atherosclerosis as IMT, cognitive function by the Montreal Cognitive Assessment (MoCA) scoring system, and other clinical characteristics in 357 patients with type 2 diabetes.
Results: Diabetic patients with the lowest quartile of IMT (Q1) had lower sCD36 concentrations (ANOVA, ptrend < 0.05) and higher MoCA scores than upper ones (Q2–Q4) (ptrend < 0.05), and those with the highest quartile of sCD36(Q4) had higher FBG, LDL-C and carotid IMT than lower ones (Q1–Q3) (ptrend < 0.05 for all). Plasma log10(sCD36) was significantly correlated with carotid IMT (r = 0.202, p < 0.001) after adjustment for age, gender, and education level. Carotid IMT was significantly associated with MoCA scores (r = 0.284, p < 0.001) after adjustment for, age, gender, education level, duration of DM and hypertension. There were no correlations between sCD36 and MoCA scores (r = –0.038, p = 0.470).
Conclusions: Our study shows that sCD36 is associated with carotid IMT, and carotid IMT is inversely correlated with cognitive function in type 2 diabetic patients. Nevertheless, no cross-sectional association between sCD36 and MoCA scores was detected in this study.
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