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Microbe-derived Butyrate Activation of Free Fatty Acid Receptor-3 Reduces Neointimal Hyperplasia after Arterial Injury by Regulating Immune Response Transcription Networks in Endothelial Cells 微生物衍生的丁酸盐激活游离脂肪酸受体-3,通过调节内皮细胞的免疫反应转录网络减少动脉损伤后的新内膜增生
Q3 Medicine Pub Date : 2023-01-01 DOI: 10.1016/j.jvssci.2023.100144
Jonathan Jung , Sarbjeet Niraula , James Du , Vivek Pamulapati , Jae Woong Jang , Liqun Xiong , M. Luisa Iruela-Arispe , Michael R. MacArthur , Karen J. Ho
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引用次数: 0
Purinergic Receptor P2Y6 Mediates Perfusion Recovery After Femoral Artery Ligation 嘌呤能受体 P2Y6 介导股动脉结扎后的灌注恢复
Q3 Medicine Pub Date : 2023-01-01 DOI: 10.1016/j.jvssci.2023.100171
Rohan N. Kulkarni , Dylan McCreary , Nolan Skirtich , Michael Calderon , Ryan M. McEnaney
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引用次数: 0
The Histone Demethylase JMJD3 Regulates Smooth Muscle Differentiation and Is Associated With Blood Pressure 组蛋白去甲基化酶 JMJD3 调控平滑肌分化并与血压有关
Q3 Medicine Pub Date : 2023-01-01 DOI: 10.1016/j.jvssci.2023.100149
Kevin Mangum, Amrita Joshi, Sonya Wolf, Emily Barrett, Jadie Moon, Bethany Moore, Andrea T. Obi, Frank Davis, Katherine A. Gallagher
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引用次数: 0
Info for readers 读者须知
Q3 Medicine Pub Date : 2023-01-01 DOI: 10.1016/S2666-3503(23)00090-1
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引用次数: 0
Events of interest 感兴趣的活动
Q3 Medicine Pub Date : 2023-01-01 DOI: 10.1016/S2666-3503(23)00091-3
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引用次数: 0
Genome-wide Association Study of Intracranial Aneurysms Reveals Shared Heritability With Aortic Aneurysms and Atherosclerosis 颅内动脉瘤全基因组关联研究揭示了主动脉瘤和动脉粥样硬化的共同遗传性
Q3 Medicine Pub Date : 2023-01-01 DOI: 10.1016/j.jvssci.2023.100160
Shaunak Adkar , Julie Lynch , Sharika Bamezai , Sabina Sorondo , Ryan Choi , Michael Levin , Scott M. Damrauer , Saiju Pyarajan , Philip S. Tsao , Stephen Skirboll , Nick J. Leeper , Derek Klarin
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引用次数: 0
Genetic Basis of Thoracic Aortic Aneurysms in a Large Unselected Clinical Population 未经选择的大量临床人群中胸主动脉瘤的遗传基础
Q3 Medicine Pub Date : 2023-01-01 DOI: 10.1016/j.jvssci.2023.100164
Hannah S. Mirshahi, Jeremy S. Haley, Diane T. Smelser, Evan J. Ryer, James R. Elmore, David J. Carey
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引用次数: 0
Toward a targeted approach to diabetes-related peripheral arterial occlusive disease 糖尿病相关外周动脉闭塞性疾病的靶向治疗
Q3 Medicine Pub Date : 2023-01-01 DOI: 10.1016/j.jvssci.2023.100112
Rym El Khoury MD , Alan Dardik MD, PhD
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引用次数: 0
AI-powered assessment of biomarkers for growth prediction of abdominal aortic aneurysms 人工智能评估腹主动脉瘤生长预测的生物标志物
Q3 Medicine Pub Date : 2023-01-01 DOI: 10.1016/j.jvssci.2023.100119
Arianna Forneris PhD , Richard Beddoes MSc , Mitchel Benovoy PhD , Peter Faris PhD , Randy D. Moore MD , Elena S. Di Martino PhD

Objective

The purpose of this study was to employ biomechanics-based biomarkers to locally characterize abdominal aortic aneurysm (AAA) tissue and investigate their relation to local aortic growth by means of an artificial intelligence model.

Methods

The study focused on a population of 36 patients with AAAs undergoing serial monitoring with electrocardiogram-gated multiphase computed tomography angiography acquisitions. The geometries of the aortic lumen and wall were reconstructed from the baseline scans and used for the baseline assessment of regional aortic weakness with three functional biomarkers, time-averaged wall-shear stress, in vivo principal strain, and intra-luminal thrombus thickness. The biomarkers were encoded as regional averages on axial and circumferential sections perpendicularly to the aortic centerline. Local diametric growth was obtained as difference in diameter between baseline and follow-up at the level of each axial section. An artificial intelligence model was developed to predict accelerated aneurysmal growth with the Extra Trees algorithm used as a binary classifier where the positive class represented regions that grew more than 2.5 mm/year. Additional clinical biomarkers, such as maximum aortic diameter at baseline, were also investigated as predictors of growth.

Results

The area under the curve for the constructed receiver operating characteristic curve for the Extra Trees classifier showed a very good performance in predicting relevant aortic growth (area under the curve = 0.92), with the three biomechanics-based functional biomarkers being objectively selected as the main predictors of growth.

Conclusions

The use of features based on the functional and local characterization of the aortic tissue resulted in a superior performance in terms of growth prediction when compared with models based on geometrical assessments. With rapid growth linked to increasing risk for patients with AAAs, the ability to access functional information related to tissue weakening and disease progression at baseline has the potential to support early clinical decisions and improve disease management.

目的利用基于生物力学的生物标志物对腹主动脉瘤(AAA)组织进行局部表征,并通过人工智能模型研究其与局部主动脉瘤生长的关系。方法对36例AAAs患者进行心电图门控多相计算机断层扫描血管造影术采集的连续监测。根据基线扫描重建主动脉腔和主动脉壁的几何形状,并使用三种功能生物标志物,即时间平均壁剪切应力、体内主要应变和腔内血栓厚度,用于区域主动脉无力的基线评估。生物标志物被编码为垂直于主动脉中心线的轴向和周向切片的区域平均值。局部直径增长是作为基线和随访之间在每个轴向截面水平上的直径差异获得的。开发了一个人工智能模型来预测动脉瘤的加速生长,使用Extra Trees算法作为二元分类器,其中阳性类别代表生长超过2.5毫米/年的区域。还研究了其他临床生物标志物,如基线时的最大主动脉直径,作为生长的预测因子。结果Extra Trees分类器构建的受试者操作特征曲线的曲线下面积在预测相关主动脉生长方面表现出非常好的性能(曲线下面积=0.92),三种基于生物力学的功能生物标志物被客观地选择为生长的主要预测因子。结论与基于几何评估的模型相比,使用基于主动脉组织功能和局部特征的特征在生长预测方面具有更好的性能。随着AAAs患者的快速增长与风险增加有关,在基线时获取与组织弱化和疾病进展相关的功能信息的能力有可能支持早期临床决策并改善疾病管理。
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引用次数: 0
Cystathionine-γ-lyase overexpression modulates oxidized nicotinamide adenine dinucleotide biosynthesis and enhances neovascularization 半胱硫氨酸-γ-裂解酶过表达调节氧化烟酰胺腺嘌呤二核苷酸生物合成,促进新生血管形成
Q3 Medicine Pub Date : 2023-01-01 DOI: 10.1016/j.jvssci.2022.11.003
Kevin Kiesworo MS , Michael R. MacArthur PhD , Peter Kip MD, PhD , Thomas Agius MS , Diane Macabrey MS , Martine Lambelet BS , Lauriane Hamard PhD , C.-Keith Ozaki MD , James R. Mitchell PhD , Sébastien Déglise MD , Sarah J. Mitchell PhD , Florent Allagnat PhD , Alban Longchamp MD, PhD

Objective

Hydrogen sulfide is a proangiogenic gas produced primarily by the transsulfuration enzyme cystathionine-γ-lyase (CGL). CGL-dependent hydrogen sulfide production is required for neovascularization in models of peripheral arterial disease. However, the benefits of increasing endogenous CGL and its mechanism of action have not yet been elucidated.

Methods

Male whole body CGL-overexpressing transgenic (CGLTg) mice and wild-type (WT) littermates (C57BL/6J) were subjected to the hindlimb ischemia model (age, 10-12 weeks). Functional recovery was assessed via the treadmill exercise endurance test. Leg perfusion was measured by laser Doppler imaging and vascular endothelial-cadherin immunostaining. To examine the angiogenic potential, aortic ring sprouting assay and postnatal mouse retinal vasculature development studies were performed. Finally, comparative metabolomics analysis, oxidized/reduced nicotinamide adenine dinucleotide (NAD+/NADH) analysis, and quantitative real-time polymerase chain reaction were performed on CGLWT and CGLTg gastrocnemius muscle.

Results

The restoration of blood flow occurred more rapidly in CGLTg mice. Compared with the CGLWT mice, the median ± standard deviation running distance and time were increased for the CGLTg mice after femoral artery ligation (159 ± 53 m vs 291 ± 74 m [P < .005] and 17 ± 4 minutes vs 27 ± 5 minutes [P < .05], respectively). Consistently, in the CGLTg ischemic gastrocnemius muscle, the capillary density was increased fourfold (0.05 ± 0.02 vs 0.20 ± 0.12; P < .005). Ex vivo, the endothelial cell (EC) sprouting length was increased in aorta isolated from CGLTg mice, especially when cultured in VEGFA (vascular endothelial growth factor A)-only media (63 ± 2 pixels vs 146 ± 52 pixels; P < .05). Metabolomics analysis demonstrated a higher level of niacinamide, a precursor of NAD+/NADH in the muscle of CGLTg mice (61.4 × 106 ± 5.9 × 106 vs 72.4 ± 7.7 × 106 area under the curve; P < .05). Similarly, the NAD+ salvage pathway gene expression was increased in CGLTg gastrocnemius muscle. Finally, CGL overexpression or supplementation with the NAD+ precursor nicotinamide mononucleotide improved EC migration in vitro (wound closure: control, 35% ± 9%; CGL, 55% ± 11%; nicotinamide mononucleotide, 42% ± 13%; P < .05).

Conclusions

Our results have demonstrated that CGL overexpression improves the neovascularization of skeletal muscle on hindlimb ischemia. These effects correlated with changes in the NAD pathway, which improved EC migration.

目的硫化氢是一种主要由转硫酶半胱硫氨酸-γ-裂解酶(CGL)产生的促血管生成气体。在外周动脉疾病模型中,cgl依赖的硫化氢生成是新生血管所必需的。然而,增加内源性CGL的益处及其作用机制尚未阐明。方法采用小鼠后肢缺血模型(10 ~ 12周龄),采用过表达CGLTg转基因(CGLTg)小鼠和野生型(WT)仔鼠(C57BL/6J)。通过跑步机运动耐力测试评估功能恢复情况。采用激光多普勒成像和血管内皮-钙粘蛋白免疫染色检测腿部灌注。为了检测血管生成潜能,我们进行了主动脉环发芽试验和出生后小鼠视网膜血管发育研究。最后对CGLWT和CGLTg腓肠肌进行比较代谢组学分析、氧化/还原烟酰胺腺嘌呤二核苷酸(NAD+/NADH)分析和实时定量聚合酶链反应。结果CGLTg小鼠血流恢复速度更快。与CGLWT小鼠相比,股动脉结扎后CGLTg小鼠的中位±标准差跑步距离和时间增加(159±53 m vs 291±74 m) [P <.005] 17±4分钟vs 27±5分钟[P <. 05],分别)。CGLTg缺血腓肠肌毛细血管密度增加4倍(0.05±0.02 vs 0.20±0.12;P & lt;.005)。离体时,CGLTg小鼠分离的主动脉内皮细胞(EC)发芽长度增加,特别是在VEGFA(血管内皮生长因子A)培养基中培养时(63±2像素vs 146±52像素;P & lt;. 05)。代谢组学分析显示,CGLTg小鼠肌肉中NAD+/NADH前体烟酰胺水平较高(曲线下面积为61.4 × 106±5.9 × 106 vs 72.4±7.7 × 106);P & lt;. 05)。同样,CGLTg腓肠肌中NAD+挽救通路基因表达增加。最后,CGL过表达或补充NAD+前体烟酰胺单核苷酸可改善体外EC迁移(伤口闭合:对照组,35%±9%;Cgl, 55%±11%;烟酰胺单核苷酸,42%±13%;P & lt;. 05)。结论CGL过表达可促进后肢缺血骨骼肌新生血管的形成。这些影响与NAD通路的变化相关,NAD通路改善了EC的迁移。
{"title":"Cystathionine-γ-lyase overexpression modulates oxidized nicotinamide adenine dinucleotide biosynthesis and enhances neovascularization","authors":"Kevin Kiesworo MS ,&nbsp;Michael R. MacArthur PhD ,&nbsp;Peter Kip MD, PhD ,&nbsp;Thomas Agius MS ,&nbsp;Diane Macabrey MS ,&nbsp;Martine Lambelet BS ,&nbsp;Lauriane Hamard PhD ,&nbsp;C.-Keith Ozaki MD ,&nbsp;James R. Mitchell PhD ,&nbsp;Sébastien Déglise MD ,&nbsp;Sarah J. Mitchell PhD ,&nbsp;Florent Allagnat PhD ,&nbsp;Alban Longchamp MD, PhD","doi":"10.1016/j.jvssci.2022.11.003","DOIUrl":"10.1016/j.jvssci.2022.11.003","url":null,"abstract":"<div><h3>Objective</h3><p>Hydrogen sulfide is a proangiogenic gas produced primarily by the transsulfuration enzyme cystathionine-γ-lyase (CGL). CGL-dependent hydrogen sulfide production is required for neovascularization in models of peripheral arterial disease. However, the benefits of increasing endogenous CGL and its mechanism of action have not yet been elucidated.</p></div><div><h3>Methods</h3><p>Male whole body CGL-overexpressing transgenic (CGL<sup>Tg</sup>) mice and wild-type (WT) littermates (C57BL/6J) were subjected to the hindlimb ischemia model (age, 10-12 weeks). Functional recovery was assessed via the treadmill exercise endurance test. Leg perfusion was measured by laser Doppler imaging and vascular endothelial-cadherin immunostaining. To examine the angiogenic potential, aortic ring sprouting assay and postnatal mouse retinal vasculature development studies were performed. Finally, comparative metabolomics analysis, oxidized/reduced nicotinamide adenine dinucleotide (NAD<sup>+</sup>/NADH) analysis, and quantitative real-time polymerase chain reaction were performed on CGL<sup>WT</sup> and CGL<sup>Tg</sup> gastrocnemius muscle.</p></div><div><h3>Results</h3><p>The restoration of blood flow occurred more rapidly in CGL<sup>Tg</sup> mice. Compared with the CGL<sup>WT</sup> mice, the median ± standard deviation running distance and time were increased for the CGL<sup>Tg</sup> mice after femoral artery ligation (159 ± 53 m vs 291 ± 74 m [<em>P</em> &lt; .005] and 17 ± 4 minutes vs 27 ± 5 minutes [<em>P</em> &lt; .05], respectively). Consistently, in the CGL<sup>Tg</sup> ischemic gastrocnemius muscle, the capillary density was increased fourfold (0.05 ± 0.02 vs 0.20 ± 0.12; <em>P</em> &lt; .005). Ex vivo, the endothelial cell (EC) sprouting length was increased in aorta isolated from CGL<sup>Tg</sup> mice, especially when cultured in VEGFA (vascular endothelial growth factor A)-only media (63 ± 2 pixels vs 146 ± 52 pixels; <em>P</em> &lt; .05). Metabolomics analysis demonstrated a higher level of niacinamide, a precursor of NAD<sup>+</sup>/NADH in the muscle of CGL<sup>Tg</sup> mice (61.4 × 10<sup>6</sup> ± 5.9 × 10<sup>6</sup> vs 72.4 ± 7.7 × 10<sup>6</sup> area under the curve; <em>P</em> &lt; .05). Similarly, the NAD<sup>+</sup> salvage pathway gene expression was increased in CGL<sup>Tg</sup> gastrocnemius muscle. Finally, CGL overexpression or supplementation with the NAD<sup>+</sup> precursor nicotinamide mononucleotide improved EC migration in vitro (wound closure: control, 35% ± 9%; CGL, 55% ± 11%; nicotinamide mononucleotide, 42% ± 13%; <em>P</em> &lt; .05).</p></div><div><h3>Conclusions</h3><p>Our results have demonstrated that CGL overexpression improves the neovascularization of skeletal muscle on hindlimb ischemia. These effects correlated with changes in the NAD pathway, which improved EC migration.</p></div>","PeriodicalId":74035,"journal":{"name":"JVS-vascular science","volume":null,"pages":null},"PeriodicalIF":0.0,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC9958478/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"9369038","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":0,"RegionCategory":"","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 2
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JVS-vascular science
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