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- Dardik, A, et al.
(författare)
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We need more vascular research
- 2023
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Ingår i: JVS-vascular science. - 2666-3503. ; 4, s. 100132-
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Tidskriftsartikel (övrigt vetenskapligt/konstnärligt)
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- Maegdefessel, L, et al.
(författare)
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miR-24 limits aortic vascular inflammation and murine abdominal aneurysm development
- 2014
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Ingår i: Nature communications. - : Springer Science and Business Media LLC. - 2041-1723. ; 5, s. 5214-
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Tidskriftsartikel (refereegranskat)abstract
- Identification and treatment of abdominal aortic aneurysm (AAA) remain among the most prominent challenges in vascular medicine. MicroRNAs (miRNAs) are crucial regulators of cardiovascular pathology and represent intriguing targets to limit AAA expansion. Here we show, by using two established murine models of AAA disease along with human aortic tissue and plasma analysis, that miR-24 is a key regulator of vascular inflammation and AAA pathology. In vivo and in vitro studies reveal chitinase 3-like 1 (Chi3l1) to be a major target and effector under the control of miR-24, regulating cytokine synthesis in macrophages as well as their survival, promoting aortic smooth muscle cell migration and cytokine production, and stimulating adhesion molecule expression in vascular endothelial cells. We further show that modulation of miR-24 alters AAA progression in animal models, and that miR-24 and CHI3L1 represent novel plasma biomarkers of AAA disease progression in humans.
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| 9. |
- Maegdefessel, L, et al.
(författare)
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Pathogenesis of abdominal aortic aneurysms: microRNAs, proteases, genetic associations
- 2014
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Ingår i: Annual review of medicine. - : Annual Reviews. - 1545-326X .- 0066-4219. ; 65, s. 49-62
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Tidskriftsartikel (refereegranskat)abstract
- Abdominal aortic aneurysm (AAA) disease is a common, morbid, and highly lethal pathology. Extraordinary efforts have been launched to determine the molecular and pathophysiological characteristics of AAAs. Although surgery is highly effective in preventing death by rupture for larger AAAs, no guidance or preventive therapy is currently available for the >90% of patients whose aneurysms are below the surgical threshold. Predictive animal models of AAA as well as human pathological samples have revealed a complex circuit of AAA formation and progression. The proteolytic destruction of matrix components of the aorta by different proteases has been extensively studied over many years. Recently, a novel class of small noncoding RNAs, called microRNAs, was identified as “fine-tuners” of the translational output of target genes; they act by promoting mRNA degradation. Their therapeutic potential in limiting AAA development appears very intriguing. Further, current studies assessing genetic and heritable associations for AAA disease have provided great insight into its pathogenesis, potentially enabling us to better clinically manage affected patients.
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