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Collot-Teixeira, Sophie; McGregor, John L; Morser, Kira; Chalabreysse, Lara; McDermott-Roe, Chris; Cerutti, Catherine; Guzman, Adriana; Michel, Jean-Baptiste; Boissonnat, Pascale; Sebbag, Laurent; Thivolet-Bejui, Françoise; Bricca, Gianpiero; Obadia, Jean-François; Roussoulières, Ana
The Journal of heart and lung transplantation, 07/2010, Letnik: 29, Številka: 7Journal Article
Coronary allograft vasculopathy (CAV) is the major limiting factor for long term survival after heart transplantation. The aim of this study was to identify gene candidates implicated in human CAV using a rat aortic allograft model in tandem with microarrays and quantitative real time PCR (Q-PCR). Rat abdominal aortas were isografted (5) or allografted (5) from Brown-Norway to Lewis rats and grafts were harvested after day 8, 25 and 60. Agilent microarrays were then used to highlight differentially expressed genes between isografted and allografted rat aortas. Further investigation of a selected candidate gene was performed on human coronary arteries. 1829, 2582 and 1925 genes (fold changes >2 or <2 and p values <0.05) were differentially expressed at day 8, 25 and 60 respectively between isografs and allografts. Seventeen candidate genes were selected according to significant differential expression at day 60. These rat candidate genes were then validated by quantitative real time polymerase chain reaction (Q-PCR). One of these candidate genes, T-Cadherin (T-Cad) was further investigated, using immunohistochemistry (IHC), in human coronary arteries showing CAV compared to classical atherosclerosis present in ischemic cardiomyopathy (ICM) and normal coronary arteries present in dilated cardiomyopathy (DCM). Results showed an over expression of T-Cad in CAV and classical atherosclerosis compared to normal coronary arteries. T-Cad was found to be over expressed in CAV. T-Cad could potentially act as a trigger for smooth muscle cells (SMCs) proliferation and vascular remodelling observed in CAV leading to a diffuse narrowing of the arterial lumen.
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Dostop do baze podatkov JCR je dovoljen samo uporabnikom iz Slovenije. Vaš trenutni IP-naslov ni na seznamu dovoljenih za dostop, zato je potrebna avtentikacija z ustreznim računom AAI.
Leto | Faktor vpliva | Izdaja | Kategorija | Razvrstitev | ||||
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Povezave do osebnih bibliografij avtorjev | Povezave do podatkov o raziskovalcih v sistemu SICRIS |
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Vir: Osebne bibliografije
in: SICRIS
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