Chronic peripheral arterial occlusive disease, platelet glycoproteins GPIIb-IIIa and GP Ib-IX, plasma von Willebrand factor and plasma fibrinogen concentrations in patients with type 2 diabetes mellitus

Diabetes mellitus (DM) type 2 is a very strong risk factor for atherosclerosis. The final event of atherosclerosis is the vessels occlusion by platelet riche thrombus. Platelets adhesion and aggregation is mediated by interaction between platelets glycoproteins: GPIb-IX, GPIIb-IIIa and adhesive prot...

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Published inPolskie archiwum medycyny wewne̦trznej Vol. 103; no. 3-4; p. 139
Main Authors Gosk-Bierska, I, Adamiec, R, Doskocz, W, Ciosek, W
Format Journal Article
LanguagePolish
Published Poland 01.03.2000
Subjects
Adult
Aged
Arteriosclerosis - blood
Arteriosclerosis - complications
Blood Platelets - metabolism
Chronic Disease
Diabetes Mellitus, Type 2 - blood
Diabetes Mellitus, Type 2 - complications
Female
Fibrinogen - analysis
Humans
Male
Middle Aged
Platelet Glycoprotein GPIb-IX Complex - analysis
Platelet Glycoprotein GPIIb-IIIa Complex - analysis
von Willebrand Factor - analysis
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Summary:Diabetes mellitus (DM) type 2 is a very strong risk factor for atherosclerosis. The final event of atherosclerosis is the vessels occlusion by platelet riche thrombus. Platelets adhesion and aggregation is mediated by interaction between platelets glycoproteins: GPIb-IX, GPIIb-IIIa and adhesive proteins: von Willebrand factor or fibrinogen. The expression of platelets GPIb-IX, GPIIb-IIIa, plasma vWF, fibrinogen concentrations were evaluated in 40 patients with diabetes type 2 (22 patients with PAOD stage II and IV according to Fontain, 18 diabetics without paod) and 32 healthy individuals. The expression of platelets glycoproteins GPIIb-IIIa and GPIb-IX was estimated by ELISA using monoclonal antibody against GPIIb-IIIa (CD41a) and GPIb-IX (CD 42a Immunotech). Plasma vWf (189.7 +/- 53.6%), fibrinogen (4.5 +/- +/- 1.3 g/l) level and expression of platelets GPIb-IX (63.2 +/- 19.6% in platelets concentration 125,000/mm3, 104.5 +/- 28.1% in platelets concentrations 250,000/mm3) and GPIIb-IIIa 50.8 +/- 10.1% in platelets concentrations 125,000/mm3, 95.3 +/- 21.3% in platelets concentrations 250,000/mm3 were statistically higher in patients with diabetes type 2 than in controls (vWf: 94.9 +/- 27.1%, fibrinogen: 2.8 +/- 0.4 g/l, GPIb-IX in platelets concentration 125,000/mm3: 43.8 +/- 9.3%, in concentration 250,000/mm3: 83.9 +/- 18.3%, GPIIb-IIIa in platelets concentration 125,000/mm3: 33.7 +/- 10.1%, in platelets concentration 250,000/mm3: 63.2 +/- 15.4%). We found significant correlation between the expression of GPIIb-IIIa, GPIb-IIIa, GPIb-IX and plasma adhesive proteins: vWF, fibrinogen in controls and both subgroups of diabetic patients. The correlation between plasma vWF and fibrinogen level and degree of arterial insufficiency in diabetic patients was also found. We can assume that higher vWf, fibrinogen plasma level in diabetic patients with and without PAOD could account for high expression of platelets GPIIb-IIIa and GPIb-IX.
ISSN:1897-9483