The association of reduced endothelium derived relaxing factor-no production with endothelial damage and increased in vivo platelet activation in patients with diabetes mellitus

Marianna Huszka, Miklos Kaplar, Laszlo Rejto, Istvan Tornai, K. Palatka, Pal Laszlo, M. Udvardy

Research output: Contribution to journalArticle

45 Citations (Scopus)

Abstract

The role of reduced endothelial production of EDRF-NO in the pathogenesis of diabetic angiopathy has received much attention, however, most of the rather conflicting data were gained from animal experiments. Limited human experience seems to be available in insulin dependent diabetes, calling attention to decreased EDRF-NO production. Hereby the clinical, as well as laboratory investigation (urinary and serum nitrate/nitrite, lipid peroxidation, glucometabolic parameters, endothelial and in vivo platelet activation markers, etc.) of 35 non-insulin dependent (NIDDM) and 15 insulin dependent diabetics (IDDM) patients are given. Urinary and serum nitrate/nitrite concentrations were proven to be reduced in both patients groups. This change was independent of diabetes duration, presence of macroangiopathy, coronary heart disease and the glucometabolic parameters, however, correlation was registered with lipid peroxidation (total antioxidant status). An inverse correlation of nitrate/nitrite excretion with endothelial markers (von Willebrand factor, soluble thrombomodulin) was documented in NIDDM this correlation was much stronger in IDDM. Moreover, in IDDM patients reduced nitrate/nitrite excretion was strongly associated with elevated plasmatic beta-thromboglobulin levels. The data presented here support to the hypothesis, that EDRF-NO production is reduced in diabetes and this reduction seems to correlate with endothelial damage. In IDDM the decreased nitrate/nitrite excretion may also lead to increased in vivo platelet activation, which suggests that the reduced amount of EDRF-NO might play a role in the pathogenesis of angiopathy in IDDM.

Original languageEnglish
Pages (from-to)173-180
Number of pages8
JournalThrombosis Research
Volume86
Issue number2
DOIs
Publication statusPublished - Apr 15 1997

Fingerprint

Endothelium-Dependent Relaxing Factors
Platelet Activation
Nitrites
Type 1 Diabetes Mellitus
Nitrates
Diabetes Mellitus
Type 2 Diabetes Mellitus
Lipid Peroxidation
Insulin
beta-Thromboglobulin
Thrombomodulin
Diabetic Angiopathies
von Willebrand Factor
Serum
Coronary Disease
Antioxidants

Keywords

  • Beta-thromboglobulin
  • Diabetic angiopathy
  • EDRF-NO
  • Lipid peroxidation
  • Soluble thrombomodulin
  • Von Willebrand factor

ASJC Scopus subject areas

  • Cardiology and Cardiovascular Medicine
  • Hematology

Cite this

The association of reduced endothelium derived relaxing factor-no production with endothelial damage and increased in vivo platelet activation in patients with diabetes mellitus. / Huszka, Marianna; Kaplar, Miklos; Rejto, Laszlo; Tornai, Istvan; Palatka, K.; Laszlo, Pal; Udvardy, M.

In: Thrombosis Research, Vol. 86, No. 2, 15.04.1997, p. 173-180.

Research output: Contribution to journalArticle

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