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Proteome-Wide Genetic Investigation of Large Artery Stiffness 大动脉僵化的蛋白质组全基因研究
IF 8.4 1区 医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-01 DOI: 10.1016/j.jacbts.2024.05.017
Marie-Joe Dib PhD , Joe David Azzo MD , Lei Zhao MD, PhD , Oday Salman MD , Sushrima Gan PhD , Marc L. De Buyzere MSc , Tim De Meyer PhD , Christina Ebert PhD , Kushan Gunawardhana PhD , Laura Liu PhD , David Gordon PhD , Dietmar Seiffert MD, PhD , Chang Ching-Pin MD, PhD , Payman Zamani MD, MTR , Jordana B. Cohen MD, MSCE , Bianca Pourmussa BA , Seavmeiyin Kun BA , Dipender Gill MD, PhD , Stephen Burgess PhD , Vanessa van Empel MD , Julio A. Chirinos MD, PhD
The molecular mechanisms contributing to large artery stiffness (LAS) are not fully understood. The aim of this study was to investigate the association between circulating plasma proteins and LAS using complementary proteomic and genomic analyses. A total of 106 proteins associated with carotid-femoral pulse-wave velocity, a noninvasive measure of LAS, were identified in 1,178 individuals from the Asklepios study cohort. Mendelian randomization analyses revealed causal effects of 13 genetically predicted plasma proteins on pulse pressure, including cartilage intermediate layer protein-2, high-temperature requirement A serine peptidase-1, and neuronal growth factor-1. These findings suggest potential novel therapeutic targets to reduce LAS and its related diseases.
导致大动脉僵化(LAS)的分子机制尚不完全清楚。本研究旨在通过蛋白质组和基因组互补分析,研究循环血浆蛋白与大动脉僵化之间的关联。在 Asklepios 研究队列中的 1178 人中,共鉴定出 106 种与颈动脉-股动脉脉搏波速度(LAS 的无创测量指标)相关的蛋白质。孟德尔随机分析显示,13 种基因预测的血浆蛋白对脉压有因果效应,包括软骨中间层蛋白-2、高温要求 A 丝氨酸肽酶-1 和神经元生长因子-1。这些发现为减少 LAS 及其相关疾病提供了潜在的新治疗靶点。
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引用次数: 0
SIRT1 Ameliorates Lamin A/C Deficiency-Induced Cardiac Dysfunction by Promoting Mitochondrial Bioenergetics SIRT1 通过促进线粒体生物能改善维生素 A/C缺乏诱导的心功能障碍
IF 8.4 1区 医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-01 DOI: 10.1016/j.jacbts.2024.05.011
Zunhui Du MS , Yanting Zhou MS , Qiheng Li MS , Yuan Xie MS , Tingfang Zhu MS , Jing Qiao MS , Ruihong Zhang BS , Yangyang Bao MD, PhD , Lingjie Wang MD, PhD , Yinyin Xie PhD , Jinwei Quan MS , Menglu Lin MS , Ning Zhang MD, PhD , Qi Jin MD, PhD , Wenbin Liang MD, PhD , Liqun Wu MD, PhD , Tong Yin MD, PhD , Yucai Xie MD, PhD
Dilated cardiomyopathy (DCM) is associated with high mortality despite advanced therapies. The LMNA gene encodes lamin A/C and is the second most frequently mutated gene associated with DCM, for which therapeutic options are limited. Here we generated Lmna–/– mice and found they exhibited cardiac dysfunction at the age of 1 month but not at 2 weeks. Proteomics showed down-regulation of mitochondrial function–related pathways in Lmna–/– hearts. Moreover, early injured mitochondria with decreased cristae density and sirtuin 1 (SIRT1) down-regulation were observed in 2-week-old Lmna–/– hearts. Adenoviral overexpression of SIRT1 in lamin A/C knockdown neonatal rat ventricular myocytes improved mitochondrial oxidative respiration capacity. Adeno-associated virus–mediated SIRT1 overexpression alleviated mitochondrial injury, cardiac systolic dysfunction, ventricular dilation, and fibrosis, and prolonged lifespan in Lmna–/– mice. Mechanistically, LMNA maintains mitochondrial bioenergetics through the SIRT1-PARKIN axis. Our results suggest that targeting the SIRT1 signaling pathway is expected to be a novel therapeutic strategy for LMNA mutation–associated DCM.
尽管有先进的疗法,扩张型心肌病(DCM)的死亡率仍然很高。LMNA 基因编码层粘连蛋白 A/C,是与 DCM 相关的第二大最常见突变基因,其治疗方案十分有限。在这里,我们产生了 Lmna-/- 小鼠,发现它们在 1 个月大时表现出心脏功能障碍,但在 2 周时则没有。蛋白质组学显示,Lmna-/-小鼠心脏中线粒体功能相关通路下调。此外,在2周大的Lmna-/-心脏中观察到早期损伤的线粒体,嵴密度降低,sirtuin 1(SIRT1)下调。在板层蛋白 A/C敲除的新生大鼠心室肌细胞中,腺病毒过表达 SIRT1 提高了线粒体氧化呼吸能力。腺相关病毒介导的 SIRT1 过表达减轻了线粒体损伤、心脏收缩功能障碍、心室扩张和纤维化,并延长了 Lmna-/- 小鼠的寿命。从机制上讲,LMNA 通过 SIRT1-PARKIN 轴维持线粒体生物能。我们的研究结果表明,靶向 SIRT1 信号通路有望成为 LMNA 突变相关 DCM 的一种新型治疗策略。
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引用次数: 0
Targeting Mitochondria Dysfunction in LMNA Cardiomyopathy 针对 LMNA 心肌病的线粒体功能障碍
IF 8.4 1区 医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-01 DOI: 10.1016/j.jacbts.2024.07.007
Chia-Feng Liu PhD , W.H. Wilson Tang MD
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引用次数: 0
Full Issue PDF 全期 PDF
IF 8.4 1区 医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-01 DOI: 10.1016/S2452-302X(24)00357-7
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引用次数: 0
Addressing the Reproducibility Crisis in Science 应对科学的可重复性危机
IF 8.4 1区 医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-01 DOI: 10.1016/j.jacbts.2024.09.005
Martin Young DPhil, Douglas L. Mann MD (Editor-in-Chief, JACC: Basic to Translational Science)
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引用次数: 0
Senescence and Inflamm-Aging Are Associated With Endothelial Dysfunction in Men But Not Women With Atherosclerosis 衰老和炎症老化与男性动脉粥样硬化患者的内皮功能障碍有关,但与女性无关
IF 8.4 1区 医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-01 DOI: 10.1016/j.jacbts.2024.06.012
Pauline Mury PhD , Gael Cagnone PhD , Olina Dagher MD , Florian Wünnemann PhD , Guillaume Voghel MD, PhD , Melissa Beaudoin MSc , Mélanie Lambert PhD , Géraldine Miquel BSc , Pierre-Emmanuel Noly MD, PhD , Louis P. Perrault MD, PhD , Michel Carrier MD , Nathalie Thorin-Trescases PhD , Jean-Sébastien Joyal MD, PhD , Guillaume Lettre PhD , Eric Thorin PhD
Coronary artery disease (CAD) is more prevalent in men than in women, with endothelial dysfunction, prodromal to CAD, developing a decade earlier in middle-aged men. We investigated the molecular basis of this dimorphism ex vivo in arterial segments discarded during surgery of CAD patients. The results reveal a lower endothelial relaxant sensitivity in men, and a senescence-associated inflammaging transcriptomic signature in endothelial cells. In women, cellular metabolism and endothelial maintenance pathways are conserved. This suggests that senolytic therapies to reduce risk of cardiovascular events in women with CAD may not be as effective as in men.
冠状动脉疾病(CAD)在男性中的发病率高于女性,而在中年男性中,冠状动脉疾病的前驱症状--内皮功能障碍会提前十年出现。我们在对 CAD 患者进行手术时丢弃的动脉切片中研究了体内这种二态性的分子基础。结果显示,男性内皮松弛剂敏感性较低,内皮细胞中存在衰老相关的炎症转录组特征。在女性中,细胞代谢和内皮维护途径是一致的。这表明,旨在降低女性冠心病患者心血管事件风险的衰老疗法可能不如男性有效。
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引用次数: 0
The Technique of Permanent Pericardial Catheter in Mice 小鼠永久性心包导管技术
IF 8.4 1区 医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-01 DOI: 10.1016/j.jacbts.2024.05.015
Vitali Rusinkevich MD, MS, PhD , David Elias BS , Monica Vladut Talor MSc , Daniela Čiháková MD, PhD
Intrapericardial delivery offers a route for heart therapies. Mouse heart size and membrane thickness pose catheterization challenges, hampering pericardium-targeted treatments. The objectives were to develop a mouse surgical technique for pericardial catheter insertion and to assess its suitability for intrapericardial delivery, including use with a myocardial ischemia/reperfusion model. We used successful catheter implantation in BALB/cJ and ΔdblGATA1 mice, showcasing intrapericardial delivery with fluorescent beads and eosinophils. We demonstrated a combination of pericardial catheterization with myocardial ischemia/reperfusion model. A reliable catheterization technique, enabling intrapericardial delivery of therapeutic agents in mice provides a valuable tool for studying the pericardial space and mediastinum in basic and translational research.
心包内给药为心脏疗法提供了一条途径。小鼠心脏的大小和膜的厚度给导管插入带来了挑战,阻碍了心包靶向治疗。我们的目标是开发一种小鼠心包导管插入手术技术,并评估其是否适合心包内给药,包括在心肌缺血/再灌注模型中的应用。我们在 BALB/cJ 和 ΔdblGATA1 小鼠中成功植入了导管,展示了荧光珠和嗜酸性粒细胞在心包内的输送。我们展示了心包导管植入术与心肌缺血/再灌注模型的结合。可靠的导管技术能在小鼠心包内输送治疗药物,为基础研究和转化研究中研究心包空间和纵隔提供了宝贵的工具。
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引用次数: 0
Recognizing Early Career Translational Investigators 表彰早期职业转化研究人员
IF 8.4 1区 医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-01 DOI: 10.1016/j.jacbts.2024.09.001
Douglas L. Mann MD (Editor-in-Chief: JACC: Basic to Translational Science)
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引用次数: 0
Viewing Pulmonary Arterial Hypertension Pathogenesis and Opportunities for Disease-Modifying Therapy Through the Lens of Biomass 从生物质角度看肺动脉高压发病机制和疾病调节疗法的机遇
IF 8.4 1区 医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-01 DOI: 10.1016/j.jacbts.2024.04.009
Matthew L. Steinhauser MD , Bradley A. Maron MD
Fibroproliferative remodeling of distal pulmonary arterioles is a cornerstone characteristic of pulmonary arterial hypertension (PAH). Data from contemporary quantitative imaging suggest that anabolic synthesis of macromolecular substrate, defined here as biomass, is the proximate event that causes vascular remodeling via pathogenic changes to DNA, collagen, cytoskeleton, and lipid membranes. Modifying biomass is achievable but requires tilting the balance in favor of endogenous degradation over synthetic pathways in order to advance the first-ever disease-modifying PAH pharmacotherapy. Viewing PAH pathobiology through the lens of biomass represents an opportunity to decipher novel determinants of disease inception and inform interventions that induce reverse remodeling.
远端肺动脉的纤维增生性重塑是肺动脉高压(PAH)的基本特征。当代定量成像数据表明,大分子底物(此处定义为生物质)的合成代谢是通过 DNA、胶原蛋白、细胞骨架和脂膜的致病性变化导致血管重塑的近因。改变生物质是可以实现的,但需要将天平倾向于内源性降解,而不是合成途径,这样才能推进首次改变疾病的 PAH 药物疗法。从生物质的角度来看待 PAH 病理生物学,是解读疾病发生的新决定因素并为诱导逆向重塑的干预措施提供信息的一个机会。
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引用次数: 0
PCSK9 Antibodies Treatment Specifically Enhances the Macrophage-specific Reverse Cholesterol Transport Pathway in Heterozygous Familial Hypercholesterolemia PCSK9 抗体治疗特异性地增强了杂合子家族性高胆固醇血症患者巨噬细胞特异性胆固醇逆向转运途径的功能
IF 8.4 1区 医学 Q1 CARDIAC & CARDIOVASCULAR SYSTEMS Pub Date : 2024-10-01 DOI: 10.1016/j.jacbts.2024.06.008
Carla Borràs MSc , Marina Canyelles PhD , Josefa Girona PhD , Daiana Ibarretxe MD, PhD , David Santos BS , Giovanna Revilla PhD , Vicenta Llorente-Cortes PhD , Noemí Rotllan PhD , Petri T. Kovanen MD, PhD , Matti Jauhiainen PhD , Miriam Lee-Rueckert PhD , Luis Masana MD, PhD , Francisco Arrieta MD, PhD , Javier Martínez-Botas PhD , Diego Gómez-Coronado PhD , Josep Ribalta PhD , Mireia Tondo PhD , Francisco Blanco-Vaca MD, PhD , Joan Carles Escolà-Gil PhD
We investigated the potential of proprotein convertase subtilisin/kexin type 9 (PCSK9) antibodies to restore macrophage cholesterol efflux in subjects with heterozygous familial hypercholesterolemia (FH) and to enhance the macrophage-specific reverse cholesterol transport pathway in mice. Analyses of macrophage-derived cholesterol distribution of plasma from FH patients revealed that low-density lipoprotein (LDL) particles contained less, and high-density lipoprotein particles contained more radiolabeled cholesterol after treatment with either PCSK9 inhibitor. PCSK9 antibodies facilitated the transfer of macrophage-derived cholesterol and LDL-derived cholesterol to feces exclusively in heterozygous LDL receptor-deficient mice expressing human APOB100. PCSK9 inhibitors act as positive regulators of the macrophage-specific reverse cholesterol transport pathway in individuals with heterozygous FH.
我们研究了丙蛋白转化酶亚基酶/kexin 9型(PCSK9)抗体恢复杂合子家族性高胆固醇血症(FH)患者巨噬细胞胆固醇外流以及增强小鼠巨噬细胞特异性胆固醇逆向转运途径的潜力。对 FH 患者血浆中巨噬细胞衍生胆固醇分布的分析表明,使用 PCSK9 抑制剂治疗后,低密度脂蛋白(LDL)颗粒所含放射性标记胆固醇较少,而高密度脂蛋白颗粒所含放射性标记胆固醇较多。在表达人类 APOB100 的杂合子低密度脂蛋白受体缺陷小鼠体内,PCSK9 抗体可促进巨噬细胞衍生胆固醇和低密度脂蛋白衍生胆固醇转移到粪便中。PCSK9抑制剂是杂合子FH患者巨噬细胞特异性胆固醇逆向转运途径的积极调节剂。
{"title":"PCSK9 Antibodies Treatment Specifically Enhances the Macrophage-specific Reverse Cholesterol Transport Pathway in Heterozygous Familial Hypercholesterolemia","authors":"Carla Borràs MSc ,&nbsp;Marina Canyelles PhD ,&nbsp;Josefa Girona PhD ,&nbsp;Daiana Ibarretxe MD, PhD ,&nbsp;David Santos BS ,&nbsp;Giovanna Revilla PhD ,&nbsp;Vicenta Llorente-Cortes PhD ,&nbsp;Noemí Rotllan PhD ,&nbsp;Petri T. Kovanen MD, PhD ,&nbsp;Matti Jauhiainen PhD ,&nbsp;Miriam Lee-Rueckert PhD ,&nbsp;Luis Masana MD, PhD ,&nbsp;Francisco Arrieta MD, PhD ,&nbsp;Javier Martínez-Botas PhD ,&nbsp;Diego Gómez-Coronado PhD ,&nbsp;Josep Ribalta PhD ,&nbsp;Mireia Tondo PhD ,&nbsp;Francisco Blanco-Vaca MD, PhD ,&nbsp;Joan Carles Escolà-Gil PhD","doi":"10.1016/j.jacbts.2024.06.008","DOIUrl":"10.1016/j.jacbts.2024.06.008","url":null,"abstract":"<div><div>We investigated the potential of proprotein convertase subtilisin/kexin type 9 (PCSK9) antibodies to restore macrophage cholesterol efflux in subjects with heterozygous familial hypercholesterolemia (FH) and to enhance the macrophage-specific reverse cholesterol transport pathway in mice. Analyses of macrophage-derived cholesterol distribution of plasma from FH patients revealed that low-density lipoprotein (LDL) particles contained less, and high-density lipoprotein particles contained more radiolabeled cholesterol after treatment with either PCSK9 inhibitor. PCSK9 antibodies facilitated the transfer of macrophage-derived cholesterol and LDL-derived cholesterol to feces exclusively in heterozygous LDL receptor-deficient mice expressing human APOB100. PCSK9 inhibitors act as positive regulators of the macrophage-specific reverse cholesterol transport pathway in individuals with heterozygous FH.</div></div>","PeriodicalId":14831,"journal":{"name":"JACC: Basic to Translational Science","volume":"9 10","pages":"Pages 1195-1210"},"PeriodicalIF":8.4,"publicationDate":"2024-10-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142530093","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"OA","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
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JACC: Basic to Translational Science
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