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Quax, P.H.A. (author), Lamfers, M.L.M. (author), Lardenoye, J.H.P. (author), Grimbergen, J.M. (author), de Vries, M.R. (author), Slomp, J. (author), de Ruiter, M.C. (author), Kockx, M.M. (author), Verheijen, J.H. (author), van Hinsbergh, V.W.M. (author), Gaubius Instituut TNO (author)
Background - Smooth muscle cell migration, in addition to proliferation, contributes to a large extent to the neointima formed in humans after balloon angioplasty or bypass surgery. Plasminogen activator/plasmin-mediated proteolysis is an important mediator of this smooth muscle cell migration. Here, we report the construction of a novel hybrid...
article 2001
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Quax, P.H.A. (author), Grimbergen, J.M. (author), Lansink, M. (author), Bakker, A.H.F. (author), Blatter, M.C. (author), Belin, D. (author), van Hinsbergh, V.W.M. (author), Verheijen, J.H. (author), Gaubius Instituut TNO (author)
Urokinase-type plasminogen activator (UPA), particularly when bound to its receptor (UPAR), is thought to play a major role in local proteolytic processes, thus facilitating cell migration as may occur during angiogenesis, neointima and atherosclerotic plaque formation, and tumor cell invasion. To facilitate understanding of the need and...
article 1998
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de Bart, A.C.W. (author), Quax, P.H.A. (author), Löwik, C.W.G.M. (author), Verheijen, J.H. (author), TNO Preventie en Gezondheid (author)
Plasmin-mediated extracellular proteolysis has been implicated in the degradation of bone in normal and pathological conditions. Normal and malignant osteoblasts can produce both tissue-type plasminogen activator (t- PA) and urokinase-type plasminogen activator (u-PA). We have used the osteosarcoma cell line MG63 to address the question of...
article 1995
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Quax, P.H.A. (author), van Leeuwen, R.T.J. (author), Verspaget, H.W. (author), Verheijen, J.H. (author), Gaubius Instituut TNO (author)
In 22 human tumor cell lines the regulation of production of plasminogen activators urokinase (u-PA) and tissue-type (u-PA) and their inhibitors PAI-1 and PAI-2 was studied. These four components may determine the net plasminogen activator activity, which is often associated with tumor development and metastatic processes. The amount of specific...
article 1990
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Gaubius Instituut TNO (author), Quax, P.H.A. (author), van den Hoogen, M. (author), Verheijen, J.H. (author), Padro, T. (author), Zeheb, R. (author), Gelehrter, T.D. (author), van Berkel, T.J.C. (author), Kuiper, J. (author), Emeis, J.J. (author)
The tissue-specific distribution of tissue-type and urokinase-type plasminogen activator (t-PA and u-PA) and their inhibitor type 1 (PAI-1) was analyzed at mRNA level in five major rat organ tissues. t-PA mRNA was detected in lung, kidney, heart, and liver. u-PA mRNA was detected in kidney and lung. Presence of PA mRNA correlated with the...
article 1990
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