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Plasma hemopexin as a potential regulator of vascular responsiveness to angiotensin II
Winston W Bakker1, Floor Spaans, Loubna el Bakkali
1Department of Pathology and Medical Biology, University Medical Center Groningen and University of Groningen, The Netherlands. w.w.bakker@umcg.nl
This brief review focuses on the functional activities of plasma hemopexin recently recognized by several authors. In particular, the protease-like activity of hemopexin in vitro is linked with downregulation of the vascular angiotensin II receptor in vivo, leading to vascular expansion. Also a potential mechanism of inhibition of hemopexin activity by extracellular adenosine triphosphate is considered.
This brief review focuses on the functional activities of plasma hemopexin recently recognized by several authors. In particular, the protease-like activity of hemopexin in vitro is linked with downregulation of the vascular angiotensin II receptor in vivo, leading to vascular expansion. Also a potential mechanism of inhibition of hemopexin activity by extracellular adenosine triphosphate is considered.
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