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- Title
Circulating level of TRAIL concentration is positively associated with endothelial function and increased by diabetic therapy in the newly diagnosed type 2 diabetic patients.
- Authors
Xiang, Guangda; Zhang, Junxia; Ling, Yue; Zhao, Linshuang
- Abstract
Objective Tumour necrosis factor (TNF)-related apoptosis-inducing ligand (TRAIL) is associated with atherosclerosis. This study was to investigate the changes of circulating TRAIL and its association with flow-mediated endothelium-dependent arterial dilation (FMD) before and after diabetic treatment in newly diagnosed type 2 diabetes. Materials and Methods The study subjects included 55 newly diagnosed type 2 diabetes and 52 healthy subjects. Circulating TRAIL concentration was measured by an ELISA, and high-resolution ultrasound was used to measure FMD of brachial artery. Results The circulating TRAIL in patients before treatment was 64·46 pg/ml, which was significantly lower than that in control (80·70 pg/ml, P < 0·001). After 6 months of diabetic treatment, TRAIL level increased markedly (75·11 pg/ml), which was still lower than that in control ( P < 0·001). FMD was reduced compared with controls at baseline and increased after diabetic therapy ( P < 0·001). In multivariate analysis, circulating TRAIL was significantly associated with FMD, fasting blood glucose (FBG), 2-h blood glucose (2-h BG), haemoglobinA1c (HbA1c) and C-reactive protein (CRP) at baseline ( P < 0·01). The absolute change in TRAIL was correlated with the changes in FMD, FBG, 2-h BG, HbA1c and CRP ( P < 0·01) before and after diabetic treatment. Conclusion Circulating TRAIL level decreased in newly diagnosed type 2 diabetes and increased after 6 months of diabetic treatment significantly. The circulating TRAIL level is positively associated with endothelial function. Our data showed that circulating TRAIL level may be a protective maker of endothelial function in type 2 diabetes.
- Subjects
TUMOR necrosis factors; TREATMENT of diabetes; APOPTOSIS; LIGANDS (Biochemistry); ENZYME-linked immunosorbent assay; CONTROL groups
- Publication
Clinical Endocrinology, 2014, Vol 80, Issue 2, p228
- ISSN
0300-0664
- Publication type
Article
- DOI
10.1111/cen.12312