Enhanced levels of urokinase plasminogen activator and its soluble receptor in common variable immunodeficiency

Common variable immunodeficiency (CVID) is a heterogeneous syndrome characterized by defective immunoglobulin production and high frequency of bacterial infections, autoimmunity and manifestations of chronic inflammation. The urokinase plasminogen activator (uPA), its cell bound and soluble receptor...

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Veröffentlicht in:Clinical immunology (Orlando, Fla.). - 1999. - 131(2009), 3 vom: 04. Juni, Seite 438-46
1. Verfasser: Fevang, Børre (VerfasserIn)
Weitere Verfasser: Eugen-Olsen, Jesper, Yndestad, Arne, Brosstad, Frank, Beiske, Klaus, Aukrust, Pål, Frøland, Stig S
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2009
Zugriff auf das übergeordnete Werk:Clinical immunology (Orlando, Fla.)
Schlagworte:Journal Article Receptors, Urokinase Plasminogen Activator Urokinase-Type Plasminogen Activator EC 3.4.21.73
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245 1 0 |a Enhanced levels of urokinase plasminogen activator and its soluble receptor in common variable immunodeficiency 
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520 |a Common variable immunodeficiency (CVID) is a heterogeneous syndrome characterized by defective immunoglobulin production and high frequency of bacterial infections, autoimmunity and manifestations of chronic inflammation. The urokinase plasminogen activator (uPA), its cell bound and soluble receptor (uPAR, suPAR) have complex biological functions involving innate immune defense mechanisms and regulation of inflammation. Based on this dual role, we hypothesized that the uPA system could be affected in CVID, and examined expression of components of the uPA system in subgroups of CVID. All CVID-patients had increased plasma levels of suPAR with particularly high levels in those with splenomegaly and thrombocytopenia. Plasma uPA levels were also raised in these patients, and both suPAR and uPA levels correlated with the monocyte activation marker neopterin. Monocytes from CVID patients had increased expression of uPAR. We show an increased activation of the uPA system possibly contributing to the inflammatory phenotype seen in subgroups of CVID patients 
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650 7 |a Urokinase-Type Plasminogen Activator  |2 NLM 
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700 1 |a Eugen-Olsen, Jesper  |e verfasserin  |4 aut 
700 1 |a Yndestad, Arne  |e verfasserin  |4 aut 
700 1 |a Brosstad, Frank  |e verfasserin  |4 aut 
700 1 |a Beiske, Klaus  |e verfasserin  |4 aut 
700 1 |a Aukrust, Pål  |e verfasserin  |4 aut 
700 1 |a Frøland, Stig S  |e verfasserin  |4 aut 
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