Arteriosclerosis, Thrombosis, and Vascular Biology最新文献

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Elucidating VEGF Biology: A Journey of Discovery and Clinical Translation. 阐明血管内皮生长因子生物学:探索与临床转化之旅。
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2024-12-01 Epub Date: 2024-11-27 DOI: 10.1161/ATVBAHA.124.319574
Tommaso Mori, Naresh Kumar R N, Napoleone Ferrara
{"title":"Elucidating VEGF Biology: A Journey of Discovery and Clinical Translation.","authors":"Tommaso Mori, Naresh Kumar R N, Napoleone Ferrara","doi":"10.1161/ATVBAHA.124.319574","DOIUrl":"10.1161/ATVBAHA.124.319574","url":null,"abstract":"","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":"44 12","pages":"2361-2365"},"PeriodicalIF":7.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11606529/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142738150","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}
引用次数: 0
Single-Cell Meta-Analysis Uncovers the Pancreatic Endothelial Cell Transcriptomic Signature and Reveals a Key Role for NKX2-3 in PLVAP Expression. 单细胞元分析揭示胰腺内皮细胞转录组特征并揭示 NKX2-3 在 PLVAP 表达中的关键作用
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2024-12-01 Epub Date: 2024-10-24 DOI: 10.1161/ATVBAHA.124.321781
Safwat T Khan, Neha Ahuja, Sonia Taïb, Shabana Vohra, Ondine Cleaver, Sara S Nunes
{"title":"Single-Cell Meta-Analysis Uncovers the Pancreatic Endothelial Cell Transcriptomic Signature and Reveals a Key Role for NKX2-3 in PLVAP Expression.","authors":"Safwat T Khan, Neha Ahuja, Sonia Taïb, Shabana Vohra, Ondine Cleaver, Sara S Nunes","doi":"10.1161/ATVBAHA.124.321781","DOIUrl":"10.1161/ATVBAHA.124.321781","url":null,"abstract":"<p><strong>Background: </strong>The pancreatic vasculature displays tissue-specific physiological and functional adaptations that support rapid insulin response by β-cells. However, the digestive enzymes have made it difficult to characterize pancreatic endothelial cells (ECs), resulting in the poor understanding of pancreatic EC specialization.</p><p><strong>Methods: </strong>Available single-nuclei/single-cell RNA-sequencing data sets were mined to identify pancreatic EC-enriched signature genes and to develop an integrated atlas of human pancreatic ECs. We validated the findings using independent single-nuclei/single-cell RNA-sequencing data, bulk RNA-sequencing data of isolated ECs, spatial transcriptomics data, immunofluorescence, and RNAScope of selected markers. The NK2 homeobox 3 (NKX2-3) TF (transcription factor) was expressed in HUVECs via gene transfection, and the expression of pancreatic EC-enriched signature genes was assessed via RT-qPCR.</p><p><strong>Results: </strong>We defined a pancreatic EC-enriched gene signature conserved across species and developmental stages that included genes involved in ECM (extracellular matrix) composition (COL15A1 and COL4A1), permeability and barrier function (PLVAP, EHD4, CAVIN3, HSPG2, ROBO4, HEG1, and CLEC14A), and key signaling pathways (S1P [sphingosine-1-phosphate], TGF-β [transforming growth factor-β], RHO/RAC GTPase [guanosine triphosphatase], PI3K/AKT [phosphoinositide 3-kinase/protein kinase B], and PDGF [platelet-derived growth factor]). The integrated atlas revealed the vascular hierarchy within the pancreas. We identified and validated a specialized islet capillary subpopulation characterized by genes involved in permeability (PLVAP and EHD4), immune-modulation (FABP5, HLA-C, and B2M), ECM composition (SPARC and SPARCL1), IGF (insulin-like growth factor) signaling (IGFBP7), and membrane transport (SLCO2A1, SLC2A3, and CD320). Importantly, we identified NKX2-3 as a key TF enriched in pancreatic ECs. DNA-binding motif analysis found NKX2-3 motifs in ≈40% of the signature genes. Induction of NKX2-3 in HUVECs promoted the expression of the islet capillary EC-enriched genes PLVAP and SPARCL1.</p><p><strong>Conclusions: </strong>We defined a validated transcriptomic signature of pancreatic ECs and uncovered their intratissue transcriptomic heterogeneity. We showed that NKX2-3 acts upstream of PLVAP and provided a single-cell online resource that can be further explored by the community: https://vasconcelos.shinyapps.io/pancreatic_endothelial/.</p>","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"2596-2615"},"PeriodicalIF":7.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11594071/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142493711","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}
引用次数: 0
High-Dimensional Single-Cell Mass Cytometry Demonstrates Differential Platelet Functional Phenotypes in Infants With Congenital Heart Disease. 高维单细胞质量细胞测量法显示先天性心脏病婴儿的血小板功能表型存在差异
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2024-12-01 Epub Date: 2024-08-22 DOI: 10.1161/ATVBAHA.124.321131
Sean X Gu, Brian S Marcus, Vivian W Gu, Adarsh P Varghese, John Hwa, E Vincent S Faustino
{"title":"High-Dimensional Single-Cell Mass Cytometry Demonstrates Differential Platelet Functional Phenotypes in Infants With Congenital Heart Disease.","authors":"Sean X Gu, Brian S Marcus, Vivian W Gu, Adarsh P Varghese, John Hwa, E Vincent S Faustino","doi":"10.1161/ATVBAHA.124.321131","DOIUrl":"10.1161/ATVBAHA.124.321131","url":null,"abstract":"<p><strong>Background: </strong>Congenital heart disease (CHD) is a group of complex heart defects associated with hematologic abnormalities, including increased risk of thrombotic and bleeding events. Past studies have observed evidence of platelet hyperreactivity, while other studies showed decreased platelet activation in patients with CHD. The goal of this study was to develop a mass spectrometry approach to characterize single platelets in infants with CHD and identify potential etiology for such discrepant results.</p><p><strong>Methods: </strong>We enrolled 19 infants with CHD along with 21 non-CHD controls at Yale New Haven Children's Heart Center. A single-cell high-dimensional mass cytometry method was developed to quantitatively interrogate platelet surface markers in whole blood. Additionally, plasma cytokine analysis was performed through a multiplexed panel of 52 vascular and inflammatory markers to assess for platelet releasates.</p><p><strong>Results: </strong>We found that infants with CHD had significant differences in platelet activation and functional markers by mass cytometry compared with non-CHD controls. Based on cell surface markers, we classified the platelets into 8 subpopulations (P0 to P7). Distinct subpopulations of platelets (P1, P4, and P5) exhibiting decreased aggregatory phenotype but altered secretory phenotypes were also identified and found to be more abundant in the blood of infants with CHD. Electron microscopy identified increased proportion of hypogranular platelets in CHD. Moreover, cytokine analysis demonstrated an overall increase in plasma cytokines and biomarkers in CHD, including IL (interleukin)-6, IL-8, IL-27, RANTES (regulated upon activation, normal T cell expressed and secreted), and VWF (von Willebrand factor), which are expressed in platelet granules and can be released upon activation.</p><p><strong>Conclusions: </strong>We developed a robust mass cytometry approach to identify platelet phenotypic heterogeneity. Infants with CHD had alterations in distinct subpopulations of platelets with overall reduced aggregatory phenotype and secretory dysfunction. These findings suggest that platelets in infants with CHD may be exhausted due to persistent stimulation and may explain both bleeding and thrombotic vascular complications associated with CHD.</p>","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"2530-2539"},"PeriodicalIF":7.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11602369/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142016223","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}
引用次数: 0
A Sophisticated Model of Human Atherosclerosis on a Chip. 芯片上的人体动脉粥样硬化精密模型
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2024-12-01 Epub Date: 2024-10-24 DOI: 10.1161/ATVBAHA.124.321804
Brandon J Tefft
{"title":"A Sophisticated Model of Human Atherosclerosis on a Chip.","authors":"Brandon J Tefft","doi":"10.1161/ATVBAHA.124.321804","DOIUrl":"10.1161/ATVBAHA.124.321804","url":null,"abstract":"","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"2473-2475"},"PeriodicalIF":7.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142493708","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Lipoprotein Apheresis: Utility, Outcomes, and Implementation in Clinical Practice: A Scientific Statement From the American Heart Association. 脂蛋白分离:临床实践中的效用、结果和实施:美国心脏协会的科学声明。
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2024-12-01 Epub Date: 2024-10-07 DOI: 10.1161/ATV.0000000000000177
Eugenia Gianos, P Barton Duell, Peter P Toth, Patrick M Moriarty, Gilbert R Thompson, Eliot A Brinton, Lisa C Hudgins, Mary Nametka, Kathleen H Byrne, Geetha Raghuveer, Prashant Nedungadi, Laurence S Sperling
{"title":"Lipoprotein Apheresis: Utility, Outcomes, and Implementation in Clinical Practice: A Scientific Statement From the American Heart Association.","authors":"Eugenia Gianos, P Barton Duell, Peter P Toth, Patrick M Moriarty, Gilbert R Thompson, Eliot A Brinton, Lisa C Hudgins, Mary Nametka, Kathleen H Byrne, Geetha Raghuveer, Prashant Nedungadi, Laurence S Sperling","doi":"10.1161/ATV.0000000000000177","DOIUrl":"10.1161/ATV.0000000000000177","url":null,"abstract":"<p><p>Despite the availability of multiple classes of lipoprotein-lowering medications, some high-risk patients have persistent hypercholesterolemia and may require nonpharmacologic therapy. Lipoprotein apheresis (LA) is a valuable but underused adjunctive therapeutic option for low-density lipoprotein cholesterol and lipoprotein(a) lowering, particularly in children and adults with familial hypercholesterolemia. In addition to lipid lowering, LA reduces serum levels of proinflammatory and prothrombotic factors, reduces blood viscosity, increases microvascular myocardial perfusion, and may provide beneficial effects on endothelial function. Multiple observational studies demonstrate strong evidence for improved cardiovascular outcomes with LA; however, use in the United States is limited to a fraction of its Food and Drug Administration-approved indications. In addition, there are limited data regarding LA benefit for refractory focal segmental glomerulosclerosis. In this scientific statement, we review the history of LA, mechanisms of action, cardiovascular and renal outcomes data, indications, and options for treatment.</p>","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"e304-e321"},"PeriodicalIF":7.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142379993","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
Cure of Congenital Purpura Fulminans via Expression of Engineered Protein C Through Neonatal Genome Editing in Mice. 通过新生小鼠基因组编辑表达工程蛋白 C 治疗先天性富贵性紫癜
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2024-12-01 Epub Date: 2024-11-07 DOI: 10.1161/ATVBAHA.123.319460
Tomoki Togashi, Nemekhbayar Baatartsogt, Yasumitsu Nagao, Yuji Kashiwakura, Morisada Hayakawa, Takafumi Hiramoto, Takayuki Fujiwara, Eriko Morishita, Osamu Nureki, Tsukasa Ohmori
{"title":"Cure of Congenital Purpura Fulminans via Expression of Engineered Protein C Through Neonatal Genome Editing in Mice.","authors":"Tomoki Togashi, Nemekhbayar Baatartsogt, Yasumitsu Nagao, Yuji Kashiwakura, Morisada Hayakawa, Takafumi Hiramoto, Takayuki Fujiwara, Eriko Morishita, Osamu Nureki, Tsukasa Ohmori","doi":"10.1161/ATVBAHA.123.319460","DOIUrl":"10.1161/ATVBAHA.123.319460","url":null,"abstract":"<p><strong>Background: </strong>PC (protein C) is a plasma anticoagulant encoded by <i>PROC</i>; mutation in both <i>PROC</i> alleles results in neonatal purpura fulminans-a fatal systemic thrombotic disorder. In the present study, we aimed to develop a genome editing treatment to cure congenital PC deficiency.</p><p><strong>Methods: </strong>We generated an engineered APC (activated PC) to insert a furin-cleaving peptide sequence between light and heavy chains. The engineered PC was expressed in the liver of mice using an adeno-associated virus vector or CRISPR/Cas9 (clustered regularly interspaced short palindromic repeats/clustered regularly interspaced short palindromic repeat-associated 9)-mediated genome editing using an adeno-associated virus vector in vivo.</p><p><strong>Results: </strong>The engineered PC could be released in its activated form and significantly prolonged the plasma coagulation time independent of the cofactor activity of PS (protein S) in vitro. The adeno-associated virus vector-mediated expression of the engineered PC, but not wild-type PC, prolonged coagulation time owing to the inhibition of activated coagulation FV (factor V) in a dose-dependent manner and abolished pathological thrombus formation in vivo in C57BL/6J mice. The insertion of <i>EGFP</i> (enhanced green fluorescent protein) sequence conjugated with self-cleaving peptide sequence at <i>Alb</i> locus via neonatal in vivo genome editing using adeno-associated virus vector resulted in the expression of EGFP in 7% of liver cells, mainly via homology-directed repair, in mice. Finally, we succeeded in improving the survival of PC-deficient mice by expressing the engineered PC via neonatal genome editing in vivo.</p><p><strong>Conclusions: </strong>These results suggest that the expression of engineered PC via neonatal genome editing is a potential cure for severe congenital PC deficiency.</p>","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"2616-2627"},"PeriodicalIF":7.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11594008/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142589776","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}
引用次数: 0
Nanoparticle-Directed Antioxidant Therapy Can Ameliorate Disease Progression in a Novel, Diet-Inducible Model of Coronary Artery Disease. 纳米粒子引导的抗氧化疗法可改善新型饮食诱导型冠状动脉疾病模型的病情进展
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2024-12-01 Epub Date: 2024-10-17 DOI: 10.1161/ATVBAHA.124.321030
Shi Su, Zhifen Chen, Qingen Ke, Olivier Kocher, Monty Krieger, Peter M Kang
{"title":"Nanoparticle-Directed Antioxidant Therapy Can Ameliorate Disease Progression in a Novel, Diet-Inducible Model of Coronary Artery Disease.","authors":"Shi Su, Zhifen Chen, Qingen Ke, Olivier Kocher, Monty Krieger, Peter M Kang","doi":"10.1161/ATVBAHA.124.321030","DOIUrl":"10.1161/ATVBAHA.124.321030","url":null,"abstract":"<p><strong>Background: </strong>Oxidative stress plays a crucial role in the pathogenesis of coronary artery disease. In cardiovascular research using murine models, the generation and maintenance of models with robust coronary arterial atherosclerosis has been challenging.</p><p><strong>Methods: </strong>We characterized a new mouse model in which the last 3 amino acids of the carboxyl terminus of the HDL (high-density lipoprotein) receptor (SR-B1 [scavenger receptor, class B, type 1]) were deleted in a low-density lipoprotein receptor knockout (LDLR<sup>-/-</sup>) mouse model (SR-B1ΔCT/LDLR<sup>-/-</sup>) fed an atherogenic diet. We also tested the therapeutic effects of an oxidative stress-targeted nanoparticle in atherogenic diet-fed SR-B1ΔCT/LDLR<sup>-/-</sup> mice.</p><p><strong>Results: </strong>The SR-B1ΔCT/LDLR<sup>-/-</sup> mice fed an atherogenic diet had occlusive coronary artery atherosclerosis, impaired cardiac function, and a dramatically lower survival rate, compared with LDLR<sup>-/-</sup> mice fed the same diet. As SR-B1ΔCT/LDLR<sup>-/-</sup> mice do not exhibit female infertility or low pup yield, they are far easier and less costly to use than the previously described SR-B1-based models of coronary artery disease. We found that treatment with the targeted nanoparticles improved the cardiac functions and corrected hematologic abnormalities caused by the atherogenic diet in SR-B1ΔCT/LDLR<sup>-/-</sup> mice but did not alter the distinctive plasma lipid levels.</p><p><strong>Conclusions: </strong>The SR-B1ΔCT/LDLR<sup>-/-</sup> mice developed diet-inducible, fatal atherosclerotic coronary artery disease, which could be ameliorated by targeted nanoparticle therapy. Our study provides new tools for the development of cardiovascular therapies.</p>","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"2476-2488"},"PeriodicalIF":7.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11602363/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142456859","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}
引用次数: 0
Immunoregulatory Macrophages Modify Local Pulmonary Immunity and Ameliorate Hypoxic Pulmonary Hypertension. 免疫调节巨噬细胞改变局部肺免疫并改善缺氧性肺动脉高压
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2024-12-01 Epub Date: 2024-10-10 DOI: 10.1161/ATVBAHA.124.321264
Angeles Fernandez-Gonzalez, Amit Mukhia, Janhavi Nadkarni, Gareth R Willis, Monica Reis, Kristjan Zhumka, Sally Vitali, Xianlan Liu, Alexandra Galls, S Alex Mitsialis, Stella Kourembanas
{"title":"Immunoregulatory Macrophages Modify Local Pulmonary Immunity and Ameliorate Hypoxic Pulmonary Hypertension.","authors":"Angeles Fernandez-Gonzalez, Amit Mukhia, Janhavi Nadkarni, Gareth R Willis, Monica Reis, Kristjan Zhumka, Sally Vitali, Xianlan Liu, Alexandra Galls, S Alex Mitsialis, Stella Kourembanas","doi":"10.1161/ATVBAHA.124.321264","DOIUrl":"10.1161/ATVBAHA.124.321264","url":null,"abstract":"<p><strong>Background: </strong>Macrophages play a significant role in the onset and progression of vascular disease in pulmonary hypertension, and cell-based immunotherapies aimed at treating vascular remodeling are lacking. We aimed to evaluate the effect of pulmonary administration of macrophages modified to have an anti-inflammatory/proresolving phenotype in attenuating early pulmonary inflammation and progression of experimentally induced pulmonary hypertension.</p><p><strong>Methods: </strong>Mouse bone marrow-derived macrophages were polarized in vitro to a regulatory (M2<sub>reg</sub>) phenotype. M2<sub>reg</sub> profile and anti-inflammatory capacity were assessed in vitro upon lipopolysaccharide/IFNγ (interferon-γ) restimulation, before their administration to 8- to 12-week-old mice. M2<sub>reg</sub> protective effect was evaluated at early (2-4 days) and late (4 weeks) time points during hypoxia (8.5% O<sub>2</sub>) exposure. Levels of inflammatory markers were quantified in alveolar macrophages and whole lung, while pulmonary hypertension development was ascertained by right ventricular systolic pressure (RVSP) and right ventricular hypertrophy measurements. Bronchoalveolar lavage from M2<sub>reg</sub>-transplanted hypoxic mice was collected and its inflammatory potential evaluated on naive bone marrow-derived macrophages.</p><p><strong>Results: </strong>M2<sub>reg</sub> macrophages expressing <i>Tgf</i>β, <i>Il10</i>, and <i>Cd206</i> demonstrated a stable anti-inflammatory phenotype in vitro, by downregulating the induction of proinflammatory cytokines and surface molecules (<i>Cd86</i>, <i>Il6</i>, and <i>Tnf</i>α) upon a subsequent proinflammatory stimulus. A single dose of M2<sub>regs</sub> attenuated hypoxic monocytic recruitment and perivascular inflammation. Early hypoxic lung and alveolar macrophage inflammation leading to pulmonary hypertension development was significantly reduced, and, importantly, M2<sub>regs</sub> attenuated right ventricular hypertrophy, right ventricular systolic pressure, and vascular remodeling at 4 weeks post-treatment.</p><p><strong>Conclusions: </strong>Adoptive transfer of M2<sub>regs</sub> halts the recruitment of monocytes and modifies the hypoxic lung microenvironment, potentially changing the immunoreactivity of recruited macrophages and restoring normal immune functionality of the lung. These findings provide new mechanistic insights into the diverse role of macrophage phenotype on lung vascular homeostasis that can be explored as novel therapeutic targets.</p>","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"e288-e303"},"PeriodicalIF":7.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11697987/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142387527","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}
引用次数: 0
Real-Time Imaging Assessment of Stress-Induced Vascular Inflammation Using Heartbeat-Synchronized Motion Compensation. 利用心跳同步运动补偿对压力诱发的血管炎症进行实时成像评估
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2024-12-01 Epub Date: 2024-10-10 DOI: 10.1161/ATVBAHA.124.321566
Minseok A Jang, Joon Woo Song, Ryeong Hyun Kim, Dong Oh Kang, Ungyo Kang, Hyun Jung Kim, Jin Hyuk Kim, Eun Jin Park, Ye Hee Park, Bo-Hyung Lee, Chi Kyung Kim, Kyeongsoon Park, Jin Won Kim, Hongki Yoo
{"title":"Real-Time Imaging Assessment of Stress-Induced Vascular Inflammation Using Heartbeat-Synchronized Motion Compensation.","authors":"Minseok A Jang, Joon Woo Song, Ryeong Hyun Kim, Dong Oh Kang, Ungyo Kang, Hyun Jung Kim, Jin Hyuk Kim, Eun Jin Park, Ye Hee Park, Bo-Hyung Lee, Chi Kyung Kim, Kyeongsoon Park, Jin Won Kim, Hongki Yoo","doi":"10.1161/ATVBAHA.124.321566","DOIUrl":"10.1161/ATVBAHA.124.321566","url":null,"abstract":"<p><strong>Background: </strong>Chronic mental stress accelerates atherosclerosis through complicated neuroimmune pathways, needing for advanced imaging techniques to delineate underlying cellular mechanisms. While histopathology, ex vivo imaging, and snapshots of in vivo images offer promising evidence, they lack the ability to capture real-time visualization of blood cell dynamics within pulsatile arteries in longitudinal studies.</p><p><strong>Methods: </strong>An electrically tunable lens was implemented in intravital optical microscopy, synchronizing the focal plane with heartbeats to follow artery movements. ApoE<sup>-/-</sup> mice underwent 2 weeks of restraint stress before baseline imaging followed by 2 weeks of stress exposure in the longitudinal imaging, while nonstressed mice remained undisturbed. The progression of vascular inflammation was assessed in the carotid arteries through intravital imaging and histological analyses.</p><p><strong>Results: </strong>A 4-fold reduction of motion artifact, assessed by interframe SD, and an effective temporal resolution of 25.2 Hz were achieved in beating murine carotid arteries. Longitudinal intravital imaging showed chronic stress led to a 6.09-fold (<i>P</i>=0.017) increase in myeloid cell infiltration compared with nonstressed mice. After 3 weeks, we observed that chronic stress intensified vascular inflammation, increasing adhered myeloid cells by 2.45-fold (<i>P</i>=0.031), while no significant changes were noted in nonstressed mice. Microcirculation imaging revealed increased circulating, rolling, and adhered cells in stressed mice's venules. Histological analysis of the carotid arteries confirmed the in vivo findings that stress augmented plaque area, myeloid cell and macrophage accumulation, and necrotic core volume while reducing fibrous cap thickness indicating accelerated plaque formation. We visualized the 3-dimensional structure of the carotid artery and 4-dimensional dynamics of the venules in the cremaster muscle.</p><p><strong>Conclusions: </strong>Dynamic focusing motion compensation intravital microscopy enabled subcellular resolution in vivo imaging of blood cell dynamics in beating arteries under chronic restraint stress in real time. This novel technique emphasizes the importance of advanced in vivo imaging for understanding cardiovascular disease.</p>","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"2493-2506"},"PeriodicalIF":7.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142387529","PeriodicalName":null,"FirstCategoryId":null,"ListUrlMain":null,"RegionNum":1,"RegionCategory":"医学","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":"","EPubDate":null,"PubModel":null,"JCR":null,"JCRName":null,"Score":null,"Total":0}
引用次数: 0
NETosis in Cardiovascular Disease: An Opportunity for Personalized Antithrombotic Treatments? 心血管疾病中的 NETosis:个性化抗血栓治疗的机遇?
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2024-12-01 Epub Date: 2024-11-27 DOI: 10.1161/ATVBAHA.124.320150
Constance C F M J Baaten, Magdolna Nagy, Henri M H Spronk, Hugo Ten Cate, Bas L J H Kietselaer
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