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Knockout of Density-Enhanced Phosphatase-1 Impairs Cerebrovascular Reserve Capacity in an Arteriogenesis Model in Mice
Joint Authors
Hackbusch, Daniel
Dülsner, André
Gatzke, Nora
Krüger, Janine
Hillmeister, Philipp
Nagorka, Stephanie
Blaschke, Florian
Ritter, Zully
Thöne-Reineke, Christa
Böhmer, Frank-D.
Buschmann, Ivo
Kappert, Kai
Source
Issue
Vol. 2013, Issue 2013 (31 Dec. 2013), pp.1-9, 9 p.
Publisher
Hindawi Publishing Corporation
Publication Date
2013-08-20
Country of Publication
Egypt
No. of Pages
9
Main Subjects
Abstract EN
Collateral growth, arteriogenesis, represents a proliferative mechanism involving endothelial cells, smooth muscle cells, and monocytes/macrophages.
Here we investigated the role of Density-Enhanced Phosphatase-1 (DEP-1) in arteriogenesis in vivo, a protein-tyrosine-phosphatase that has controversially been discussed with regard to vascular cell biology.
Wild-type C57BL/6 mice subjected to permanent left common carotid artery occlusion (CCAO) developed a significant diameter increase in distinct arteries of the circle of Willis, especially in the anterior cerebral artery.
Analyzing the impact of loss of DEP-1 function, induction of collateralization was quantified after CCAO and hindlimb femoral artery ligation comparing wild-type and DEP-1−/− mice.
Both cerebral collateralization assessed by latex perfusion and peripheral vessel growth in the femoral artery determined by microsphere perfusion and micro-CT analysis were not altered in DEP-1−/− compared to wild-type mice.
Cerebrovascular reserve capacity, however, was significantly impaired in DEP-1−/− mice.
Cerebrovascular transcriptional analysis of proarteriogenic growth factors and receptors showed specifically reduced transcripts of PDGF-B.
SiRNA knockdown of DEP-1 in endothelial cells in vitro also resulted in significant PDGF-B downregulation, providing further evidence for DEP-1 in PDGF-B gene regulation.
In summary, our data support the notion of DEP-1 as positive functional regulator in vascular cerebral arteriogenesis, involving differential PDGF-B gene expression.
American Psychological Association (APA)
Hackbusch, Daniel& Dülsner, André& Gatzke, Nora& Krüger, Janine& Hillmeister, Philipp& Nagorka, Stephanie…[et al.]. 2013. Knockout of Density-Enhanced Phosphatase-1 Impairs Cerebrovascular Reserve Capacity in an Arteriogenesis Model in Mice. BioMed Research International،Vol. 2013, no. 2013, pp.1-9.
https://search.emarefa.net/detail/BIM-1005151
Modern Language Association (MLA)
Hackbusch, Daniel…[et al.]. Knockout of Density-Enhanced Phosphatase-1 Impairs Cerebrovascular Reserve Capacity in an Arteriogenesis Model in Mice. BioMed Research International No. 2013 (2013), pp.1-9.
https://search.emarefa.net/detail/BIM-1005151
American Medical Association (AMA)
Hackbusch, Daniel& Dülsner, André& Gatzke, Nora& Krüger, Janine& Hillmeister, Philipp& Nagorka, Stephanie…[et al.]. Knockout of Density-Enhanced Phosphatase-1 Impairs Cerebrovascular Reserve Capacity in an Arteriogenesis Model in Mice. BioMed Research International. 2013. Vol. 2013, no. 2013, pp.1-9.
https://search.emarefa.net/detail/BIM-1005151
Data Type
Journal Articles
Language
English
Notes
Includes bibliographical references
Record ID
BIM-1005151