Plasma soluble CD36, carotid intima-media thickness and cognitive function in patients with type 2 diabetes

Xiaozhen Jiang1, Xiaohui Zhao2, Ruihua Chen1

  • 1Department of Endocrinology, Shanghai Pudong New Area People's Hospital, Shanghai, China.

Insights

In type 2 diabetes, soluble CD36 (sCD36) is linked to carotid intima-media thickness (IMT), a marker of atherosclerosis. While IMT correlates with cognitive function, sCD36 itself did not show a direct association with cognitive scores in this study.

Area of Science:

  • Endocrinology
  • Cardiovascular Medicine
  • Neuroscience

Background:

  • Diabetes and atherosclerosis are established risk factors for cognitive deficits.
  • Scavenger receptor CD36 (sCD36) is implicated in diabetes and atherosclerosis, suggesting a potential role in cognitive impairment.

Purpose of the Study:

  • To investigate the relationship between plasma soluble CD36 (sCD36) levels and carotid intima-media thickness (IMT) in patients with type 2 diabetes.
  • To determine the association of sCD36 and IMT with cognitive function, assessed using the Montreal Cognitive Assessment (MoCA) scoring system.

Main Methods:

  • Evaluated plasma sCD36, blood lipids, glucose control (fasting blood glucose, HbA1c), carotid IMT, and MoCA scores in 357 type 2 diabetic patients.
  • Statistical analyses included ANOVA and correlation analyses, with adjustments for relevant clinical characteristics.

Main Results:

  • Patients with lower IMT exhibited lower sCD36 levels and higher MoCA scores.
  • Higher sCD36 levels were associated with increased fasting blood glucose, LDL-C, and carotid IMT.
  • Plasma sCD36 showed a significant positive correlation with carotid IMT (r=0.202, p<0.001) after adjustments.
  • Carotid IMT was inversely associated with MoCA scores (r=0.284, p<0.001) after adjustments.
  • No significant correlation was found between sCD36 and MoCA scores (r=-0.038, p=0.470).

Conclusions:

  • Soluble CD36 (sCD36) is associated with carotid intima-media thickness (IMT) in type 2 diabetic patients.
  • Carotid IMT is inversely correlated with cognitive function in this population.
  • This study did not detect a cross-sectional association between sCD36 levels and cognitive function (MoCA scores).
Abstract

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