Plasma levels of cellular fibronectin in diabetes

被引:79
作者
Kanters, SDJM
Banga, JD
Algra, A
Frijns, RCJM
Beutler, JJ
Fijnheer, R
机构
[1] Univ Med Ctr Utrecht, Dept Internal Med, NL-3508 GA Utrecht, Netherlands
[2] Univ Med Ctr Utrecht, Julius Ctr Patient Oriented Res, NL-3508 GA Utrecht, Netherlands
[3] Univ Med Ctr Utrecht, Dept Neurol, NL-3508 GA Utrecht, Netherlands
[4] Univ Med Ctr Utrecht, Dept Hypertens & Nephrol, NL-3508 GA Utrecht, Netherlands
[5] Univ Med Ctr Utrecht, Dept Hematol, NL-3508 GA Utrecht, Netherlands
关键词
D O I
10.2337/diacare.24.2.323
中图分类号
R5 [内科学];
学科分类号
1002 ; 100201 ;
摘要
OBJECTIVE- Cellular fibronectin is an endothelium-derived protein involved in subendothelial matrix assembly. Elevated plasma levels of cellular fibronectin therefore reflect loss of endothelial cell polarization or injury to blood vessels. Consequently, elevated plasma levels of circulating cellular fibronectin have been described in clinical syndromes with vascular damage, although not in diabetes or atherosclerosis. RESEARCH DESIGN AND METHODS- We determined fibronectin levels in 52 patients with type 1 diabetes, 50 patients with type 2 diabetes, 54 patients with a history of ischemic stroke, 23 patients with renal artery stenosis, and 64 healthy subjects. RESULTS- Circulating cellular fibronectin was significantly elevated in patients with diabetes (4.3 +/- 2.8 mug/ml) compared with patients with ischemic stroke (2.0 +/- 0.9 mug/ml), patients with renovascular hypertension (1.7 +/- 1.1 mug/ml), and healthy subjects (1.4 +/- 0.6 mug/ml). Patients with diabetes and at least one cardiovascular risk factor had an almost 2.5-fold increase in cellular fibronectin compared with diabetic subjects without such a risk factor. In multivariate regression analysis, higher triglycerides, current or past cigarette smoking, and higher urinary albumin excretion were independently associated with an increase in circulating cellular fibronectin in diabetes. CONCLUSIONS- These results suggest that circulating cellular fibronectin may be a marker protein for endothelial cell activation, especially in diabetes. Prospective studies are needed to explore this possibility.
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收藏
页码:323 / 327
页数:5
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