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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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- Matic, L. P., et al.
(författare)
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Novel Multiomics Profiling of Human Carotid Atherosclerotic Plaques and Plasma Reveals Biliverdin Reductase B as a Marker of Intraplaque Hemorrhage
- 2018
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Ingår i: JACC: Basic to Translational Science. - : Elsevier BV. - 2452-302X. ; 3:4, s. 464-480
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Tidskriftsartikel (refereegranskat)abstract
- Clinical tools to identify individuals with unstable atherosclerotic lesions are required to improve prevention of myocardial infarction and ischemic stroke. Here, a systems-based analysis of atherosclerotic plaques and plasma from patients undergoing carotid endarterectomy for stroke prevention was used to identify molecular signatures with a causal relationship to disease. Local plasma collected in the lesion proximity following clamping prior to arteriotomy was profiled together with matched peripheral plasma. This translational workflow identified biliverdin reductase B as a novel marker of intraplaque hemorrhage and unstable carotid atherosclerosis, which should be investigated as a potential predictive biomarker for cardiovascular events in larger cohorts.
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- Zommorodi, S, et al.
(författare)
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Understanding abdominal aortic aneurysm epidemiology: socioeconomic position affects outcome
- 2018
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Ingår i: Journal of epidemiology and community health. - : BMJ. - 1470-2738 .- 0143-005X. ; 72:10, s. 904-910
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Tidskriftsartikel (refereegranskat)abstract
- Low socioeconomic position (SEP) has been demonstrated to negatively influence outcome in several cardiovascular patient groups. The aim of this study was to analyse time trends of incidence of intact abdominal aortic aneurysm (iAAA) and ruptured AAA (rAAA), respectively, and to investigate whether SEP had any influence on the probability to present with rupture and, finally, to determine the impact of SEP on outcome.MethodsNationwide population-based study including all individuals with iAAA or rAAA in Sweden during 2001–2015.ResultsThe number of individuals with an AAA was 41 222; the majority were identified as iAAA 33 254 (80.7%) and 7968 (19.3%) as rAAA. Time trends showed decreasing incidence of rAAA but increase in iAAA during the study period. Individuals with low income or low educational level were more likely to present with a rAAA rather than iAAA: OR 2.16 (95 % CI 1.98 to 2.36, p<0.001) and OR 1.33 (95 % CI 1.21 to 1.46, p<0.001), respectively. Low income was also associated with increased 90-day mortality and 1-year mortality after treatment for rAAA, OR 1.42 (95% CI 1.07 to 1.89, p=0.014) and OR 1.39 (95% CI 1.13 to 1.97, p=0.005).ConclusionThis large nationwide study showed a decreasing incidence of rAAA. Individuals with low SEP were found to have an augmented risk of presenting with rAAA rather than iAAA and, in addition, to fare worse after repair. Consequently, SEP should be regarded as a relevant risk factor that should be included in considerations for improved care flow of patients with AAA.
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