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The GPI-anchored urokinase plasminogen activator receptor (uPAR) does not internalize free urokinase (uPA) but readily internalizes and degrades uPA:serpin complexes in a process that requires the alpha2-macroglobulin receptor/low density lipoprotein receptor-related protein (alpha2MR-LRP). This process is accompanied by the internalization of uPAR which(More)
After binding to its receptor (uPAR), active cell-surface urokinase (uPA) is not internalized while the complex formed by uPA with plasminogen activator inhibitor type 1 (PAI-1) is internalized and degraded. Internalization and degradation require binding to uPAR and subsequently an interaction with the alpha 2-macroglobulin receptor (alpha 2-MR). To(More)
The role of the urokinase receptor (uPAR) in the internalization of the urokinase-plasminogen activator inhibitor type-1 (uPA.PAI-1) complex has been investigated. First, exploiting the species specificity of uPA binding, we show that mouse LB6 cells (that express a mouse uPAR) were unable to bind or degrade the human uPA.PAI-1 complex. On the other hand,(More)
Transcription and expression of the urokinase (uPA) receptor (uPAR) are strongly stimulated by PMA. As for uPAR, the expression of alpha 2-MR is regulated by PMA in U937 cells. Ligand blotting experiments with the 39 kDa receptor-associated protein RAP, a ligand for alpha 2-MR, indicated that alpha 2-MR levels first increased and then decreased after PMA(More)
Campus Law Enforcement Journal is the official publication of the International Association of Campus Law Enforcement Administrators. It is published bimonthly and dedicated to the promotion of professional ideals and standards for law enforcement, security and public safety so as to better serve institutions of higher education. publication is subject to(More)
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