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Soluble LDL-Immune Complexes in Type 2 Diabetes and Vascular Disease


Turk, Zdenka; Šesto, Mihajlo; Skodlar, Jasna; Ferenčak, Goran; Turk, Nikša; Stavljenić-Rukavina Ana
Soluble LDL-Immune Complexes in Type 2 Diabetes and Vascular Disease // Hormone and Metabolic Research, 34 (2002), 4; 196-201 (međunarodna recenzija, članak, znanstveni)


Naslov
Soluble LDL-Immune Complexes in Type 2 Diabetes and Vascular Disease

Autori
Turk, Zdenka ; Šesto, Mihajlo ; Skodlar, Jasna ; Ferenčak, Goran ; Turk, Nikša ; Stavljenić-Rukavina Ana

Izvornik
Hormone and Metabolic Research (0018-5043) 34 (2002), 4; 196-201

Vrsta, podvrsta i kategorija rada
Radovi u časopisima, članak, znanstveni

Ključne riječi
Oxidized LDL; Autoantibody; Advanced Glycation End-Products; Coronary Artery Disease; Diabetic Vascular Disease

Sažetak
Background and Aims: The oxidative modification of LDL has been shown to affect its clearance and to exert cytotoxic and immunogenic effects. The objective of our study was to analyse markers of LDL oxidation - soluble LDL containing immune complexes (LDL-ICs) in type 2 diabetes with micro- and macrovascular disease. Patients and Methods: The study included 69 diabetic patients with coronary artery disease (DM + CAD), 78 non-diabetics with CAD, 47 controls, and 27 diabetics with nephropathy and 36 free from complications. OxLDL antibodies and advanced glycated end-products were measured by ELISA, and LDL-IC apo B content after PEG precipitation. Results: Determination of a broad range of oxLDL antibody activity in all study groups showed no significant differences. In contrast, the content of apo B, a component of the antigen moiety of oxLDL-ICs, was higher in CAD and diabetes (+ CAD) than in LDL-ICs isolated from controls (p < 0.001). LDL-ICs did not differ between patients with CAD + DM and CAD patients free from diabetes. LDL-IC levels in diabetic patients with or without microangiopathy were significantly higher than in healthy volunteers (PEG-apo B 0.278 +/- 0.107 vs. 0.165 +/- 105 g/l, p < 0.002 ; PEG-IgG 151.7 +/- 76 vs. 115.4 +/- 62 g/l, p < 0.05). However, there was no significant difference in the level of circulating LDL-ICs between the subgroup of diabetic patients with nephropathy/retinopathy and patients free of microvascular disease (Ab-oxLDL 27.7 +/- 10.4 vs. 27.1 +/- 9.3 AU, NS ; PEG-apo B 0.324 +/- 0.111 vs. 0.287 +/- 0.124 g/l, NS ; PEG-IgG 1.68 +/- 0.68 vs. 1.42 +/- 0.80 g/l, NS). There was a statistically significant positive correlation between AGE content and LDL-ICs (r = 0.35, p < 0.009). A significant but inverse correlation was recorded between triglyceride concentration and level of LDL-ICs in DM + CAD (r = - 0.32, p < 0.016) and CAD patients (r = - 0.35, p < 0.002). A highly significant negative correlation between triglycerides and circulating LDL-ICs (r = - 0.54, p < 0.039) was observed in patients with early nephropathy, but not in those with physiological proteinuria. It is known that at a high triglyceride level in type 2 diabetes, the majority of LDL are small and dense, thus being more susceptible to oxidative modification. This could be a possible mechanism explaining why more LDL-ICs, with a level inversely correlating with triglyceride concentration, are generated in diabetes. Conclusion: The increased level of circulating LDL-ICs is a risk factor for the general population, including those with diabetes. Our results suggested the contribution of LDL-ICs to the development of atherosclerosis to probably be more significant than the direct contribution of oxLDLAb itself.

Izvorni jezik
Engleski

Znanstvena područja
Kliničke medicinske znanosti



POVEZANOST RADA


Projekt / tema
0045003

Ustanove
Klinika za dijabetes, endokrinologiju i bolesti metabolizma Vuk Vrhovac

Profili:

Avatar Url Goran Ferenčak (autor)

Avatar Url Jasna Mesarić (autor)

Avatar Url Ana Stavljenić (autor)

Avatar Url Mihajlo Šesto (autor)

Avatar Url Nikša Turk (autor)

Avatar Url Zdenka Turk (autor)

Citiraj ovu publikaciju

Turk, Zdenka; Šesto, Mihajlo; Skodlar, Jasna; Ferenčak, Goran; Turk, Nikša; Stavljenić-Rukavina Ana
Soluble LDL-Immune Complexes in Type 2 Diabetes and Vascular Disease // Hormone and Metabolic Research, 34 (2002), 4; 196-201 (međunarodna recenzija, članak, znanstveni)
Turk, Z., Šesto, M., Skodlar, J., Ferenčak, G., Turk, N. & Stavljenić-Rukavina Ana (2002) Soluble LDL-Immune Complexes in Type 2 Diabetes and Vascular Disease. Hormone and Metabolic Research, 34 (4), 196-201.
@article{article, year = {2002}, pages = {196-201}, keywords = {Oxidized LDL, Autoantibody, Advanced Glycation End-Products, Coronary Artery Disease, Diabetic Vascular Disease}, journal = {Hormone and Metabolic Research}, volume = {34}, number = {4}, issn = {0018-5043}, title = {Soluble LDL-Immune Complexes in Type 2 Diabetes and Vascular Disease}, keyword = {Oxidized LDL, Autoantibody, Advanced Glycation End-Products, Coronary Artery Disease, Diabetic Vascular Disease} }

Časopis indeksira:


  • Current Contents Connect (CCC)
  • Web of Science Core Collection (WoSCC)
    • Science Citation Index Expanded (SCI-EXP)
    • SCI-EXP, SSCI i/ili A&HCI
  • Scopus
  • MEDLINE


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