Why the study?
The association between carotid intima-media thickness and levels of clusterin, amylin, SFRP-4, GLP-1, and DPP-4 in T2DM individuals with or without CAD required investigation.
Carotid intima-media thickness and serum biomarkers such as SFRP-4 and DPP-4 are associated with atherosclerosis and may serve as predictive markers for vascular risk in diabetic patients with coronary artery disease.
We investigated the association between carotid intima-media thickness (CIMT) with clusterin (CLU), amylin, secreted frizzled-related protein-4 (SFRP-4), glucagon-like peptide-1 (GLP-1) levels, and dipeptidyl peptidase-4 (DPP-4) in type 2 diabetes mellitus (T2DM) individuals with or without coronary artery disease (CAD). This study consisted of four groups: control group (mean ages: 50.3±10.7 years; 20 females and 15 males), diabetic group (DM; mean ages: 53.9±11.1; 14 females and 23 males), CAD group (mean ages: 60.1±43.5; 17 females and 17 males) and CAD+DM group (mean ages: 62.6±11.8 years; 18 females and 18 males). CIMT levels in both CAD and CAD+DM groups are higher than those in controls. CIMT levels in CAD+DM group are also significantly higher than those in DM group. Left external carotid artery (ECA) was found different from controls only in DM group. The levels of SFRP-4 in control group were significantly lower than those in DM, CAD and CAD+DM groups. Serum GLP-1total levels were found to be significantly low in CAD+DM group when compared to control group. DPP-4 and SFRP-4 levels may be a predictive marker for atherosclerosis in diabetes while particularly in diabetes, they correlate well with HOMA-IR. CIMT has the potential to be a clinically useful predictor of vascular risk in diabetic patients with CAD (Tab. 3, Fig. 2, Ref. 39).
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Şenyiğit et al. (2019) studied this question.
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