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Differential expression of VEGFA, TIE2, and ANG2 but not ADAMTS1 in rat mesenteric microvascular arteries and veins
N. Mecha Disassa, B. Styp-Rekowska, B. Hinz, L. Da Silva-Azevedo, A. R. Pries, A. Zakrzewicz
Jazyk angličtina Země Česko
NLK
Directory of Open Access Journals
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- MeSH
- angiopoetin-2 genetika MeSH
- arteriae mesentericae fyziologie MeSH
- cévní endotel fyziologie MeSH
- exprese genu fyziologie MeSH
- fyziologická adaptace fyziologie MeSH
- krysa rodu rattus MeSH
- messenger RNA metabolismus MeSH
- mikrocirkulace fyziologie MeSH
- polymerázová řetězová reakce s reverzní transkripcí MeSH
- potkani Sprague-Dawley MeSH
- proteiny ADAM genetika MeSH
- receptor TIE-2 genetika MeSH
- svaly hladké cévní fyziologie MeSH
- vaskulární endoteliální růstový faktor A genetika MeSH
- vazokonstrikce fyziologie MeSH
- vena mesenterica fyziologie MeSH
- zvířata MeSH
- Check Tag
- krysa rodu rattus MeSH
- mužské pohlaví MeSH
- zvířata MeSH
Microvessels respond to metabolic stimuli (e.g. pO(2)) and hemodynamic forces (e.g. shear stress and wall stress) with structural adaptations including angiogenesis, remodeling and pruning. These responses could be mediated by differential gene expression in endothelial and smooth muscle cells. Therefore, rat mesenteric arteries and veins were excised by microsurgery, and mRNA expression of four angioadaptation-related genes was quantified by real time duplex RT-PCR in equal amounts of total RNA, correlated to two different house keeping genes (beta-actin, GAPDH). The results show higher expression of VEGFA, TIE2, and ANG2 in arteries than in veins, but equal expression of ADAMTS1. Higher availability of VEGFA mRNA in endothelial cells of arteries shown here could contribute to the maintenance of mechanically stressed blood vessels and counteract pressure-induced vasoconstriction.
Citace poskytuje Crossref.org
Lit.: 44
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