Cited by 144Blood Coagulation and Thrombosis MechanismsBlood properties and coagulationAdipokines, Inflammation, and Metabolic Diseases

Acute hyperglycemia and acute hyperinsulinemia decrease plasma fibrinolytic activity and increase plasminogen activator inhibitor type 1 in the rat

Pandolfi, A., Giaccari, A., Cilli, C., Alberta, M. M., Morviducci, L., De Filippis, E. A., Buongiorno, A., Pellegrini, G. +2 more·2001·Acta Diabetologica

Abstract

Decreased plasma fibrinolysis may contribute to accelerated atherothrombosis in diabetes. To observe whether hyperglycemia and hyperinsulinemia, common findings in type 2 diabetes, acutely affect plasma fibrinolysis in vivo, we evaluated plasma fibrinolysis (lysis of fibrin plates, free PAI-1 activity and t-PA activity) in the rat after a hyperglycemic euinsulinemic clamp (n=8), an euglycemic hyperinsulinemic clamp (n=7) or a saline infusion (n=15). Plasma fibrinolytic activity was sharply reduced after both the hyperglycemic and hyperinsulinemic clamps as compared to the respective controls (mean lysis areas on the fibrin plate, 139+/-21 vs. 323+/-30 mm2, p<0.001; 78+/-27 vs. 312+/-27 mm2 p<0.001, respectively). Plasma PAI-1 activity was greater after both hyperglycemic and hyperinsulinemic clamps as compared to saline infusion (6.6+/-2.6 vs. 1.6+/-0.6 IU/ml, p<0.001; 26+/-4 vs. 1.3+/-0.7 IU/ml, p<0.0001, respectively). Plasma t-PA activity was significantly reduced both after the hyperglycemic (0.36+/-0.15 vs. 2.17+/-0.18 IU/ml in controls, p<0.001) and the hyperinsulinemic (0.3+/-0.1 vs. 2.3+/-0.3 IU/ml in control, p<0.001) clamps. These data show that in vivo both acute hyperglycemia and acute hyperinsulinemia can decrease plasma fibrinolytic potential and that this is due to increased plasma PAI-1 and decreased free t-PA activities.

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Crossref · 10.1007/s005920170016

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  • Acute glucose and insulin administration decrease t-PA activity in the rat.

    “Acute glucose and insulin administration decrease t-PA activity in the rat.”

    From The Vasculature in Prediabetes (2018) · cites this paper as [132]

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Authors
Pandolfi, A., Giaccari, A., Cilli, C., Alberta, M. M., Morviducci, L., De Filippis, E. A., Buongiorno, A., Pellegrini, G., Capani, G., & Consoli, A.
Affiliations
  • University of Chieti-Pescara (IT)
  • Università Cattolica del Sacro Cuore (IT)
  • Istituto Superiore di Sanità (IT)
Venue
Acta Diabetologica
Published
2001-06-01
Volume
38
Issue
2
Pages
71-76
ISSN
0940-5429 (ISSN-L)
OpenAlex
W2044594443
Cited by
144
References
30
Citations by year
2026: 2 · 2025: 6 · 2024: 6 · 2023: 9 · 2022: 5 · 2021: 8 · 2020: 10 · 2019: 3 · 2018: 6 · 2017: 8 · 2016: 3 · 2015: 8 · 2014: 6 · 2013: 6 · 2012: 8
FWCI
1.27
Type
journal article
Language
en
Open access
closed
Locations
  • Acta Diabetologica (publishedVersion)
  • PubMed (publishedVersion)
Funders
National Institutes of Health
Topics
  • Health Sciences › Medicine › Hematology › Blood Coagulation and Thrombosis Mechanisms
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Blood properties and coagulation
  • Health Sciences › Medicine › Epidemiology › Adipokines, Inflammation, and Metabolic Diseases
Keywords
hyperglycemia, hyperinsulinemia, plasma fibrinolysis, plasminogen activator inhibitor-1, tissue plasminogen activator, type 2 diabetes, atherothrombosis, hyperinsulinemic-euglycemic clamp, hyperglycemic clamp
MeSH terms
Animals, Diabetes Mellitus, Type 2, Fibrinolysis, Glucose, Hyperglycemia, Hyperinsulinism, Insulin, Male, Tissue Plasminogen Activator, Glucose Clamp Technique, Rats, Sprague-Dawley, Plasminogen Activator Inhibitor 1, Rats

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