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van den Eijnden-Schrauwen, Y. (author), Lakenberg, N. (author), Emeis, J.J. (author), de Knijff, P. (author), TNO Preventie en Gezondheid (author)
article 1995
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Padro, T. (author), Quax, P.H.A. (author), van den Hoogen, C.M. (author), Roholl, P. (author), Verheijen, J.H. (author), Emeis, J.J. (author), Gaubius Instituut TNO (author)
Plasminogen activator (PA) and PA inhibitor (PAI) antigen, activity, and mRNA were analyzed in the three layers of rat aorta, and the effect of endotoxin on PA and PAI was studied. All PA activity in aorta was identified as tissue-type PA (TPA) activity; no urokinase-type PA was detected. In the tunica adventitia TPA activity, TPA antigen, and...
article 1994
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Padró, T. (author), van den Hoogen, C.M. (author), Emeis, J.J. (author), Instituut voor verouderings- en vaatziekten onderzoek TNO (author)
The aim of the present study was to investigate whether hypothyroidism would affect the components of the rat plasma fibrinolytic system. Hypothyroidism was induced by feeding rats a thiouracil-containing diet for 2 weeks. During this period, half of the animals received subcutaneous injections of L-thyroxine (20 μg/kg daily) to restore thyroid...
article 1993
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Emeis, J.J. (author), Jirouskova, M. (author), Muchitsch, E.-M. (author), Shet, A.S. (author), Smyth, S.S. (author), Johnson, G.J. (author), TNO Preventie en Gezondheid (author)
Murine blood coagulation factors and function are quite similar to those of humans. Because of this similarity and the adaptability of mice to genetic manipulation, murine coagulation factors and inhibitors have been extensively studied. These studies have provided significant insights into human hemostasis. They have also provided useful...
article 2007
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van der Hoorn, J.W. (author), Bekkers, M.E. (author), Princen, H.M. (author), Corda, S. (author), Emeis, J.J. (author), Steendijk, P. (author), TNO Kwaliteit van Leven (author)
article 2008
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Lansink, M. (author), Jong, M. (author), Bijsterbosch, M. (author), Bekkers, M. (author), Toet, K. (author), Havekes, L. (author), Emeis, J. (author), Kooistra, T. (author), Gaubius instituut TNO (author)
Several clinical studies have demonstrated an inverse relationship between circulating levels of estrogen and tissue-type plasminogen activator (t-PA). The present study was designed to test the hypothesis that estrogen lower plasma levels of t-PA by increasing its clearance from the bloodstream. 17α-Ethinyl estradiol (EE) treatment resulted in...
article 1999
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Vogelvang, T.E. (author), Mijatovic, V. (author), Kenemans, P. (author), Emeis, J.J. (author), Heijst, J.A. (author), van der Mooren, M.J. (author), TNO Preventie en Gezondheid (author)
Objective: To investigate the short-term effects of HMR 3339, a novel selective estrogen receptor modulator, on markers of coagulation and fibrinolysis. Study design: In a multicenter, 14-week, randomized, placebo-controlled, double-blind, dose-ranging study, healthy postmenopausal women received daily placebo (n = 22), HMR 3339 2.5 mg (n = 25),...
article 2005
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Schrauwen, Y. (author), de Vries, R.E.M. (author), Kooistra, T. (author), Emeis, J.J. (author), TNO Preventie en Gezondheid (author)
The acute release of t-PA was studied in vitro in human endothelial cells from different origin. It proved possible to enhance the amounts of t-PA which can be released by increasing t-PA synthesis, both in vitro, and in vivo in rats. These data suggest the feasibility to induce and (or) enhance acute release of t-PA in man. Chemicals/CAS:...
article 1994
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Emeis, J.J. (author), van den Hoogen, C.M. (author), Gaubius Laboratory IVVO-TNO, P.O. Box 430, 2300 AK Leiden, Netherlands Instituut voor verouderings- en vaatziekten onderzoek TNO (author)
Pharmacological modulation of the in vivo induction of plasminogen activator inhibitor type-1 (PAI-1) synthesis was studied in rats using the induction of PAI-1 by endotoxin as a model system. Both the cyclooxygenase inhibitors acetylsalicylic acid and indomethacin enhanced PAI-1 induction. The combined cyclooxygenase-lipoxygenase inhibitor,...
article 1992
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Gijbels, M.J.J. (author), van der Cammen, M. (author), van der Laan, L.J.W. (author), Emeis, J.J. (author), Havekes, L.M. (author), Hofker, M.H. (author), Kraal, G. (author), Gaubius instituut TNO (author)
Apolipoprotein E3-Leiden (APOE3-Leiden) transgenic mice develop hyperlipidemia and are highly susceptible to diet-induced atherosclerosis. We have studied the progression and regression of atherosclerosis using immunohistochemistry. Female transgenic mice were fed a moderate fat diet to study atherosclerosis over a longer time period. Fatty...
article 1999
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van Pelt Verkuil, E. (author), Emeis, J.J. (author), Gaubius instituut TNO (author)
Immunohistochemically, coagulation F-VIII-R:AG in vascular endothelial cells can be demonstrated with antihuman F-VIII-R:AG antisera after fixation with 1-ethyl-3-(3-dimethylaminopropyl)-carbodiimide, using both peroxidase and fluorescence techniques. The generally used aldehyde containing fixatives, result in a loss of immunoreactivity....
article 1981
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Schalkwijk, C.G. (author), Poland, D.C.W. (author), van Dijk, W. (author), Kok, A. (author), Emeis, J.J. (author), Dräger, A.M. (author), Doni, A. (author), van Hinsbergh, V.W.M. (author), Stehouwer, C.D.A. (author), Gaubius instituut TNO (author)
Moderately increased plasma concentrations of C-reactive protein are associated with an increased risk of cardiovascular disease, C-reactive protein, its relation to a low degree of inflammatory activation and its association with activation of the endothelium have not been systematically investigated in Type I (insulin-dependent) diabetes...
article 1999
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Giltay, E.J. (author), Gooren, L.J.G. (author), Emeis, J.J. (author), Kooistra, T. (author), Stehouwer, C.D.A. (author), TNO Preventie en Gezondheid (author)
Oral estrogen administration decreases plasma levels of tissue-type plasminogen activator (tPA), which may be explained by a decrease in endothelial tPA synthesis, an increase in its hepatic clearance, or both. In the present study, we determined (1) differences between oral (ie, via the liver) ethinyl estradiol and transdermal (ie, systemic)...
article 2000
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Hegeman, R.J. (author), van den Eijnden-Schrauwen, Y. (author), Emeis, J.J. (author), Gaubius Instituut TNO (author)
The effect of compounds increasing intracellular adenosine 3':5'cyclic monophosphate [cAMP](i) levels (prostacyclin. isoproterenol, forskolin, cholera toxin), and of the cAMP analogs 8-bromo-cAMP and dibutyrpl-cAMP, on the regulated secretion (acute release) of tissue-type plasminogen activator (tPA) and von Willebrand factor (vWF) was studied...
article 1998
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van Baal, W.M. (author), Kenemans, P. (author), Emeis, J.J. (author), Schalkwijk, C.G. (author), Mijatovic, V. (author), van der Mooren, M.J. (author), Vischer, U.M. (author), Stehouwer, C.D.A. (author), Gaubius instituut TNO (author)
Objective: To study the effects of combined hormone replacement therapy on markers of endothelial function and inflammatory activity. Design: Prospective, randomized, controlled study. Setting: Academic hospital. Patient(s): Healthy postmenopausal women with an intact uterus. Intervention(s): For the first 12 months, the hormone replacement...
article 1999
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Lupu, C. (author), Goodwin, C.A. (author), Westmuckett, A.D. (author), Emeis, J.J. (author), Scully, M.F. (author), Kakkar, V.V. (author), Lupu, F. (author), Gaubius Instituut TNO (author)
Tissue factor pathway inhibitor (TFPI), the main downregulator of the procoagulant activity of tissue factor·factor VIIa complex, locates in human endothelial cells (EC) in culture as well-defined clusters uniformly distributed both on the cell surface and intracellularly. We here demonstrate by immunofluorescence that TFPI colocalizes in EC...
article 1997
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Spijkerman, A.M.W. (author), Gall, M.A. (author), Tarnow, L. (author), Twisk, J.W.R. (author), Lauritzen, E. (author), Lund-Andersen, H. (author), Emeis, J. (author), Parving, H.H. (author), Stehouwer, C.D.A. (author), TNO Kwaliteit van Leven (author)
Aims: To study whether microalbuminuria, endothelial dysfunction and low-grade inflammation are associated with the presence and progression of diabetic retinopathy. Methods: Patients with Type 2 diabetes (n = 328) attending a diabetes clinic were followed for 10 years and examined annually during the last 7 years. Retinopathy was assessed after...
article 2007
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Zadelaar, A.S.M. (author), Boesten, L.S.M. (author), Jukema, J.W. (author), van Vlijmen, B.J.M. (author), Kooistra, T. (author), Emeis, J.J. (author), Lundholm, E. (author), Camejo, G. (author), Havekes, L.M. (author), Gaubius Instituut TNO (author)
OBJECTIVE - We investigated whether the dual PPARα/γ agonist tesaglitazar has anti-atherogenic effects in ApoE*3Leiden mice with reduced insulin sensitivity. METHODS AND RESULTS - ApoE*3Leiden transgenic mice were fed a high-fat (HF) insulin-resistance-inducing diet. One group received a high-cholesterol (HC) supplement (1% wt/wt; HC group). A...
article 2006
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Delsing, D.J.M. (author), Jukema, J.W. (author), van de Wiel, M.A. (author), Emeis, J.J. (author), van der Laarse, A. (author), Havekes, L.M. (author), Princen, H.M.G. (author), Gaubius Instituut TNO (author)
This study was designed to investigate the potential antiatherosclerotic effects of the calcium antagonist amlodipine as compared with the HMG-CoA reductase inhibitor atorvastatin and the combination of both in ApoE*3-Leiden transgenic mice. Four groups of 15 ApoE*3-Leiden mice were put on a high-cholesterol diet. One group received 0.002% (wt...
article 2003
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Kooistra, T. (author), Lansink, M. (author), Emeis, J.J. (author), TNO Preventie en Gezondheid (author)
Chemicals/CAS: 4 [2 (5,6,7,8 tetrahydro 5,5,8,8 tetramethyl 2 naphthyl) 1 propenyl]benzoic acid, 71441-28-6; butyric acid, 107-92-6, 156-54-7, 461-55-2; cyclic AMP, 60-92-4; protein kinase C, 141436-78-4; retinoic acid, 302-79-4; tissue plasminogen activator, 105913-11-9; trichostatin A, 58880-19-6
article 1996
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