Arteriosclerosis, Thrombosis, and Vascular Biology最新文献

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Trem2/Tyrobp Signaling Protects Against Aortic Dissection and Rupture by Inhibiting Macrophage Activation in Mice. Trem2/Tyrobp信号通过抑制小鼠巨噬细胞活化防止主动脉夹层和破裂
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2025-01-01 Epub Date: 2024-11-07 DOI: 10.1161/ATVBAHA.124.321429
Zenghui Zhang, Maoxiong Wu, Lei Yao, Weibin Zhou, Xiao Liu, Zhiteng Chen, Ping Hua, Leibo Xu, Lei Lv, Chiyu Liu, Chunling Huang, Sixu Chen, Zhaoqi Huang, Yuna Huang, Jiaqi He, Tingfeng Chen, Jingfeng Wang, Woliang Yuan, Zhaoyu Liu, Yangxin Chen
{"title":"Trem2/Tyrobp Signaling Protects Against Aortic Dissection and Rupture by Inhibiting Macrophage Activation in Mice.","authors":"Zenghui Zhang, Maoxiong Wu, Lei Yao, Weibin Zhou, Xiao Liu, Zhiteng Chen, Ping Hua, Leibo Xu, Lei Lv, Chiyu Liu, Chunling Huang, Sixu Chen, Zhaoqi Huang, Yuna Huang, Jiaqi He, Tingfeng Chen, Jingfeng Wang, Woliang Yuan, Zhaoyu Liu, Yangxin Chen","doi":"10.1161/ATVBAHA.124.321429","DOIUrl":"10.1161/ATVBAHA.124.321429","url":null,"abstract":"<p><strong>Background: </strong>The development of aortic dissection (AD) is closely associated with inflammation. The Trem2 (triggering receptor expressed on myeloid cells 2)/Tyrobp (TYRO protein tyrosine kinase-binding protein) signaling pathway critically regulates innate immunity and has emerged as an important target in cardiovascular diseases; however, its role in AD remains unclear.</p><p><strong>Methods: </strong>Transcriptome data from human and mouse ADs were used to perform differentially expressed gene-based protein-protein interaction network analyses. <i>Tyrobp</i> knockout (Tyrobp<sup>-/-</sup>), myeloid cell-specific <i>Tyrobp</i><sup>-/-</sup> (Tyrobp<sup>fl/fl</sup> Lyz2<sup>cre</sup>), and <i>Trem2</i> knockout (Trem2<sup>-/-</sup>) mice were given β-aminopropionitrile monofumarate in drinking water to induce AD. To dissect the role of macrophages in <i>Tyrobp</i> deficiency-mediated AD progression, macrophages were depleted using clodronate liposomes. Bulk and single-cell RNA sequencing, immunofluorescence staining, and quantitative real-time polymerase chain reaction were performed to assess inflammation and the underlying mechanisms of Tyrobp in AD.</p><p><strong>Results: </strong>Network analysis identified <i>Tyrobp</i> as a hub gene of AD, with elevated levels observed in both human and mouse ADs. Global deletion and myeloid cell-specific deficiency of <i>Tyrobp</i> in mice significantly increased AD incidence and exacerbated extracellular matrix degradation and macrophage infiltration within the aortic wall. Macrophage depletion mitigated the adverse effects of <i>Tyrobp</i> deficiency on AD progression. Additionally, <i>Tyrobp</i> deficiency enhanced TLR (Toll-like receptor)-4 signaling and macrophage activation, which were abrogated by TLR4 inhibitors. Furthermore, deletion of the Tyrobp-associated receptor <i>Trem2</i> significantly aggravated mouse AD development, whereas Trem2 agonist treatment conferred protection against AD.</p><p><strong>Conclusions: </strong>Our findings suggest a novel role for the Trem2/Tyrobp axis in AD development in mice. Enhancement of Trem2/Tyrobp signaling may represent a promising strategy for the prevention and treatment of AD. Future studies to clarify the role of Trem2/Tyrobp in human AD are warranted.</p>","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"119-135"},"PeriodicalIF":7.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142589787","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
Intravital Imaging of Disease Mechanisms in a Mouse Model of CCM Skin Lesions-Brief Report. CCM皮肤病变小鼠模型中疾病机制的显微成像。
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2025-01-01 Epub Date: 2024-11-21 DOI: 10.1161/ATVBAHA.124.321056
Michael M Orlich, Amanda Norrén, Malavika Desai, Annegret Holm, Harry Kozakewich, Hans Schoofs, Taija Mäkinen, Joyce Bischoff, Konstantin Gaengel
{"title":"Intravital Imaging of Disease Mechanisms in a Mouse Model of CCM Skin Lesions-Brief Report.","authors":"Michael M Orlich, Amanda Norrén, Malavika Desai, Annegret Holm, Harry Kozakewich, Hans Schoofs, Taija Mäkinen, Joyce Bischoff, Konstantin Gaengel","doi":"10.1161/ATVBAHA.124.321056","DOIUrl":"10.1161/ATVBAHA.124.321056","url":null,"abstract":"<p><strong>Background: </strong>Cerebral cavernous malformation (CCM) is a disease characterized by vascular malformations that primarily develop in the brain. These malformations are prone to leak, and their rupture or thrombotic closure can cause life-threatening hemorrhages and strokes. Mouse models have been instrumental to study the disease, but most cause premature lethality, precluding the investigation of disease mechanisms through intravital microscopy. Current mouse models also do not recapitulate human CCM skin lesions.</p><p><strong>Methods: </strong>Endothelial-specific deletion of <i>Ccm3</i> via systemic tamoxifen application at postnatal day 4 or 5 prolongs survival and induces vascular malformations in the mouse brain and ear skin. CCM skin lesions can also be induced by topical tamoxifen administration directly to the ear. The thin, flat morphology of the ear skin is ideal for intravital microscopy. Dextran dyes and platelet markers allow to study blood flow and blood clot formation in living animals, in real time.</p><p><strong>Results: </strong>We report that human CCM skin lesions can be recapitulated in a mouse model and that skin lesions share hallmarks of CCM brain lesions. Intravital imaging reveals that CCM skin lesions are slow-flow malformations prone to thrombus formation.</p><p><strong>Conclusions: </strong>Intravital imaging of CCM skin lesions expands the toolkit of CCM research and allows longitudinal studies of lesion growth.</p>","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"113-118"},"PeriodicalIF":7.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11668616/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142680070","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
Editors and Editorial Board. 编辑和编辑委员会。
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2025-01-01 Epub Date: 2024-12-24 DOI: 10.1161/ATV.0000000000000180
{"title":"Editors and Editorial Board.","authors":"","doi":"10.1161/ATV.0000000000000180","DOIUrl":"https://doi.org/10.1161/ATV.0000000000000180","url":null,"abstract":"","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":"45 1","pages":"1-2"},"PeriodicalIF":7.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142982433","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
Disruption of PCSK9 Suppresses Inflammation and Attenuates Abdominal Aortic Aneurysm Formation. 干扰 PCSK9 可抑制炎症并减轻腹主动脉瘤的形成。
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2025-01-01 Epub Date: 2024-11-26 DOI: 10.1161/ATVBAHA.123.320391
Zekun Peng, Shuang-Jie Lv, Hong Chen, Haojie Rao, Ziyi Guo, Qing Wan, Jianfeng Yang, Yuze Zhang, De-Pei Liu, Hou-Zao Chen, Miao Wang
{"title":"Disruption of PCSK9 Suppresses Inflammation and Attenuates Abdominal Aortic Aneurysm Formation.","authors":"Zekun Peng, Shuang-Jie Lv, Hong Chen, Haojie Rao, Ziyi Guo, Qing Wan, Jianfeng Yang, Yuze Zhang, De-Pei Liu, Hou-Zao Chen, Miao Wang","doi":"10.1161/ATVBAHA.123.320391","DOIUrl":"10.1161/ATVBAHA.123.320391","url":null,"abstract":"<p><strong>Background: </strong>Abdominal aortic aneurysm (AAA) is a chronic vascular inflammatory disease without effective medications. PCSK9 (proprotein convertase subtilisin/kexin 9), a serine protease from the proprotein convertase family, has recently been associated with AAA in human genome-wide association studies. However, its role in AAA is unknown.</p><p><strong>Methods: </strong>Transcriptional and histological expression of PCSK9 was examined in AAA tissues and healthy controls. The impact of PCSK9 deletion and inhibition on AAA formation was assessed in mice with hyperlipidemia and Ang II (angiotensin II) overproduction. AAA lesion morphology was assessed by tissue staining. MMP (matrix metalloproteinase) activity was evaluated by gelatin zymography, and leukocyte-vessel wall interaction was monitored by intravital microscopy. RNA sequencing was used to characterize the downstream signaling of PCSK9.</p><p><strong>Results: </strong>PCSK9 expression was upregulated and colocalized with macrophages in human and mouse AAAs. <i>Pcsk9</i> deletion attenuated AAA formation, improved survival, and decreased systemic inflammation, without altering circulating cholesterol levels. <i>Pcsk9</i> deficiency reduced aortic infiltration of macrophages and elastin degradation, without affecting vascular smooth muscle cell apoptosis and proliferation. Mechanistically, PCSK9 was essential in leukocyte-endothelium adhesion and expression of proinflammatory cytokines and MMP9 by macrophages. RNA sequencing of stimulated macrophages revealed that <i>Pcsk9</i> deficiency upregulated histone deacetylase SIRT1 (sirtuin-1) and suppressed NF-κB (nuclear factor-κB) inflammatory signaling. SIRT1 inhibition attenuated the proinflammatory actions of PCSK9. Furthermore, administration of PCSK9 small interfering RNA or antibody constrained AAA formation/progression and inhibited vascular inflammation.</p><p><strong>Conclusions: </strong>PCSK9 critically mediates macrophage inflammation and elastin degradation, promoting AAA formation. PCSK9 inhibitors bear a promise to curtail AAA, beyond being used as cholesterol-lowering drugs.</p>","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"e1-e14"},"PeriodicalIF":7.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142715330","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
Sex Differences in Cardiovascular-Kidney-Metabolic Syndrome: 30-Year US Trends and Mortality Risks-Brief Report. 心血管-肾-代谢综合征的性别差异:30年美国趋势和死亡率风险
IF 7.4 1区 医学
Arteriosclerosis, Thrombosis, and Vascular Biology Pub Date : 2025-01-01 Epub Date: 2024-12-12 DOI: 10.1161/ATVBAHA.124.321629
Hongwei Ji, Charumathi Sabanayagam, Kunihiro Matsushita, Ching-Yu Cheng, Tyler Hyungtaek Rim, Bin Sheng, Huating Li, Yih-Chung Tham, Susan Cheng, Tien-Yin Wong
{"title":"Sex Differences in Cardiovascular-Kidney-Metabolic Syndrome: 30-Year US Trends and Mortality Risks-Brief Report.","authors":"Hongwei Ji, Charumathi Sabanayagam, Kunihiro Matsushita, Ching-Yu Cheng, Tyler Hyungtaek Rim, Bin Sheng, Huating Li, Yih-Chung Tham, Susan Cheng, Tien-Yin Wong","doi":"10.1161/ATVBAHA.124.321629","DOIUrl":"10.1161/ATVBAHA.124.321629","url":null,"abstract":"<p><strong>Background: </strong>The American Heart Association recently published guidelines on how to clinically identify and categorize individuals with cardiovascular-kidney-metabolic (CKM) syndrome. The extent to which CKM syndrome prevalence and prognosis differ by sex remains unknown. This study aimed to examine the impact of sex on trends in prevalence over 30 years and the long-term prognosis of CKM syndrome in the United States.</p><p><strong>Methods: </strong>We analyzed nationally representative National Health and Nutrition Examination Survey 1988 to 2018 data collected from 33 868 US adults (aged ≥20 years) who were under surveillance for all-cause mortality through December 31, 2019. We examined the sex-specific prevalence of CKM syndrome and sex-specific CKM associations with all-cause mortality.</p><p><strong>Results: </strong>Of the 33 868 adults studied, the mean±SD age was 48.4±18.3 years with 52% women and 56% non-White. Overall prevalence of CKM syndrome increased steadily from 1988 to 2018 in both sexes, with a larger temporal rise in prevalent stage 3 CKM seen for men (from 18.9% to 22.4%) compared with women (from 13.9% to 15.2%). Over a median follow-up of 13.3 years, there were 8745 deaths. In the multivariable Cox regression analysis, worsening CKM severity was associated with all-cause mortality (<i>P</i><0.001 for both sexes), with greater magnitudes of risk seen in women (hazards ratio, 1.24-3.33) compared with men (hazards ratio, 0.85-2.60) across all stages (likelihood ratio test χ<sup>2</sup>, 19.0; <i>P</i><sub>interaction</sub><0.001); results were similar for cardiovascular mortality (likelihood ratio test χ<sup>2</sup>, 22.3; <i>P</i><sub>interaction</sub><0.001).</p><p><strong>Conclusions: </strong>Women, compared with men, exhibited a lower prevalence of CKM stage 3 but experienced excess mortality risk across the spectrum of multisystem CKM dysfunction. These findings underscore the importance of identifying mechanisms underlying joint cardiovascular, kidney, and metabolic system pathophysiology to close a potentially widening sex disparities gap in multiorgan disease risk.</p>","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"157-161"},"PeriodicalIF":7.4,"publicationDate":"2025-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11729504/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142812024","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
Impaired Renal Function With Higher Remnant Cholesterol Related to Risk of Atherosclerotic Cardiovascular Disease: A Cohort Study. 残余胆固醇较高时肾功能受损与动脉粥样硬化性心血管疾病风险相关:CGPS。
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.124.321387
Daniel Elías-López, Signe Vedel-Krogh, Camilla Jannie Kobylecki, Benjamin Nilsson Wadström, Børge Grønne Nordestgaard
{"title":"Impaired Renal Function With Higher Remnant Cholesterol Related to Risk of Atherosclerotic Cardiovascular Disease: A Cohort Study.","authors":"Daniel Elías-López, Signe Vedel-Krogh, Camilla Jannie Kobylecki, Benjamin Nilsson Wadström, Børge Grønne Nordestgaard","doi":"10.1161/ATVBAHA.124.321387","DOIUrl":"10.1161/ATVBAHA.124.321387","url":null,"abstract":"<p><strong>Background: </strong>Chronic kidney disease confers a high risk of atherosclerotic cardiovascular disease (ASCVD), partly due to hyperlipidemia. Although statins reduce the risk of ASCVD in chronic kidney disease, residual risk persists. We investigated whether higher remnant cholesterol is associated with an increased risk of ASCVD in statin users and nonusers with impaired renal function.</p><p><strong>Methods: </strong>We included 107 925 individuals from CGPS (Copenhagen General Population Study) initiated in 2003 to 2015, of whom 10 427 had impaired renal function (estimated glomerular filtration rate, <60 mL/min per 1.73 m<sup>2</sup>). Remnant cholesterol was calculated from a standard lipid profile. ASCVD was myocardial infarction, coronary heart disease death, ischemic stroke, coronary artery bypass graft, or percutaneous coronary intervention extracted from Danish nationwide health registries from baseline through 2018; individuals with events before the start of follow-up were excluded from relevant analysis.</p><p><strong>Results: </strong>In individuals with impaired renal function during up to 15 years of follow-up, 597 were diagnosed with myocardial infarction, 618 with ischemic stroke, and 1182 with ASCVD. In these individuals, a 1-mmol/L (39 mg/dL) higher remnant cholesterol level was associated with multivariable-adjusted hazard ratios of 1.22 (95% CI, 1.05-1.42) for myocardial infarction, 1.16 (95% CI, 0.97-1.38) for ischemic stroke, and 1.21 (95% CI, 1.08-1.36) for ASCVD. Corresponding hazard ratios for ASCVD were 1.40 (95% CI, 1.07-1.83) in statin users and 1.16 (95% CI, 1.01-1.34) in nonusers. Of the 1.36-fold excess risk of ASCVD in impaired versus normal renal function, elevated remnant cholesterol and elevated LDL (low-density lipoprotein) cholesterol explained 25% (95% CI, 2.5%-47%) and 0% in statin users and 8.3% (95% CI, 2.4%-14%) and 14% (95% CI, 6.4%-22%) in nonusers, respectively.</p><p><strong>Conclusions: </strong>Our results suggest that higher remnant cholesterol is a good marker of increased risk of ASCVD in individuals with impaired renal function, while higher LDL cholesterol may not be. Patients with chronic kidney disease who have high levels of remnant cholesterol are identifiable through higher non-HDL (high-density lipoprotein) cholesterol or apoB levels.</p>","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"2647-2658"},"PeriodicalIF":7.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142493709","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
TGF-β: A Wrench in the Gears of Arteriovenous Fistula Maturation. TGF-β:动静脉瘘成熟过程中的一把扳手
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.124.321827
Mandy M T van Leent, Raphaël Duivenvoorden
{"title":"TGF-β: A Wrench in the Gears of Arteriovenous Fistula Maturation.","authors":"Mandy M T van Leent, Raphaël Duivenvoorden","doi":"10.1161/ATVBAHA.124.321827","DOIUrl":"10.1161/ATVBAHA.124.321827","url":null,"abstract":"","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"2527-2529"},"PeriodicalIF":7.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142493712","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
m6A Modification of Profilin-1 in Vascular Smooth Muscle Cells Drives Phenotype Switching and Neointimal Hyperplasia via Activation of the p-ANXA2/STAT3 Pathway. 血管平滑肌细胞中 Profilin-1 的 m6A 修饰通过激活 p-ANXA2/STAT3 通路驱动表型转换和新内膜增生。
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.124.321399
Xiao-Fei Gao, Ai-Qun Chen, Hao-Yue Tang, Xiang-Quan Kong, Huan Zhang, Zhi-Mei Wang, Wei Lu, Li-Guo Wang, Feng Wang, Wen-Ying Zhou, Yue Gu, Guang-Feng Zuo, Zhen Ge, Jun-Jie Zhang, Shao-Liang Chen
{"title":"m<sup>6</sup>A Modification of Profilin-1 in Vascular Smooth Muscle Cells Drives Phenotype Switching and Neointimal Hyperplasia via Activation of the p-ANXA2/STAT3 Pathway.","authors":"Xiao-Fei Gao, Ai-Qun Chen, Hao-Yue Tang, Xiang-Quan Kong, Huan Zhang, Zhi-Mei Wang, Wei Lu, Li-Guo Wang, Feng Wang, Wen-Ying Zhou, Yue Gu, Guang-Feng Zuo, Zhen Ge, Jun-Jie Zhang, Shao-Liang Chen","doi":"10.1161/ATVBAHA.124.321399","DOIUrl":"10.1161/ATVBAHA.124.321399","url":null,"abstract":"<p><strong>Background: </strong>In-stent restenosis is characterized by a significant reduction in lumen diameter within the stented segment, primarily attributed to excessive proliferation of vascular smooth muscle cells (VSMCs) and neointimal hyperplasia. PFN1 (profilin-1), an actin-sequestering protein extensively studied in amyotrophic lateral sclerosis, remains less explored in neointimal hyperplasia.</p><p><strong>Methods: </strong>Utilizing single-cell RNA sequencing alongside data from in-stent restenosis patients and various experimental in-stent restenosis models (swine, rats, and mice), we investigated the role of PFN1 in promoting VSMC phenotype switching and neointimal hyperplasia.</p><p><strong>Results: </strong>Single-cell RNA sequencing of stenotic rat carotid arteries revealed a critical role for PFN1 in neointimal hyperplasia, a finding corroborated in stented swine coronary arteries, in-stent restenosis patients, PFN1<sup>SMC-IKO</sup> (SMC-specific PFN1 knockout) mice, and PFN1 overexpressed mice. PFN1 deletion was shown to suppress VSMC phenotype switching and neointimal hyperplasia in PFN1<sup>SMC-IKO</sup> mice subjected to a wire-injured model. To elucidate the observed discordance in PFN1 mRNA and protein levels, we identified that METTL3 (N<sup>6</sup>-methyladenosine methyltransferase) and YTHDF3 (YTH N6-methyladenosine RNA binding protein F3; N<sup>6</sup>-methyladenosine-specific reader) enhance PFN1 translation efficiency in an N<sup>6</sup>-methyladenosine-dependent manner, confirmed through experiments involving METTL3 knockout and YTHDF3 knockout mice. Furthermore, PFN1 was mechanistically found to interact with the phosphorylation of ANXA2 (annexin A2) by recruiting Src (SRC proto-oncogene, nonreceptor tyrosine kinase), promoting the phosphorylation of STAT3 (signal transducer and activator of transcription 3), a typical transcription factor known to induce VSMC phenotype switching.</p><p><strong>Conclusions: </strong>This study unveils the significance of PFN1 N<sup>6</sup>-methyladenosine modification in VSMCs, demonstrating its role in promoting phenotype switching and neointimal hyperplasia through the activation of the p-ANXA2 (phospho-ANXA2)/STAT3 pathway.</p>","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"2543-2559"},"PeriodicalIF":7.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11593993/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142589781","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
Novel Therapeutics and Upcoming Clinical Trials Targeting Inflammation in Cardiovascular Diseases. 针对心血管疾病炎症的新型疗法和即将开展的临床试验。
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.124.319980
Nicola Potere, Aldo Bonaventura, Antonio Abbate
{"title":"Novel Therapeutics and Upcoming Clinical Trials Targeting Inflammation in Cardiovascular Diseases.","authors":"Nicola Potere, Aldo Bonaventura, Antonio Abbate","doi":"10.1161/ATVBAHA.124.319980","DOIUrl":"10.1161/ATVBAHA.124.319980","url":null,"abstract":"<p><p>Cardiovascular disease (CVD) remains a major health burden despite significant therapeutic advances accomplished over the last decades. It is widely and increasingly recognized that systemic inflammation not only represents a major cardiovascular risk and prognostic factor but also plays key pathogenic roles in CVD development and progression. Despite compelling preclinical evidence suggesting large potential of anti-inflammatory pharmacological interventions across numerous CVDs, clinical translation remains incomplete, mainly due to (1) yet undefined molecular signaling; (2) challenges of safety and efficacy profile of anti-inflammatory drugs; and (3) difficulties in identifying optimal patient candidates and responders to anti-inflammatory therapeutics, as well as optimal therapeutic windows. Randomized controlled trials demonstrated the safety/efficacy of canakinumab and colchicine in secondary cardiovascular prevention, providing confirmation for the involvement of a specific inflammatory pathway (NLRP3 [NACHT, LRR, and PYD domain-containing protein 3] inflammasome/IL [interleukin]-1β) in atherosclerotic CVD. Colchicine was recently approved by the US Food and Drug Administration for this indication. Diverse anti-inflammatory drugs targeting distinct inflammatory pathways are widely used for the management of other CVDs including myocarditis and pericarditis. Ongoing research efforts are directed to implementing anti-inflammatory therapeutic strategies across a growing number of CVDs, through repurposing of available anti-inflammatory drugs and development of novel anti-inflammatory compounds, which are herein concisely discussed. This review also summarizes the main characteristics and findings of completed and upcoming randomized controlled trials directly targeting inflammation in CVDs, and discusses major challenges and future perspectives in the exciting and constantly expanding landscape of cardioimmunology.</p>","PeriodicalId":8401,"journal":{"name":"Arteriosclerosis, Thrombosis, and Vascular Biology","volume":" ","pages":"2371-2395"},"PeriodicalIF":7.4,"publicationDate":"2024-12-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"https://www.ncbi.nlm.nih.gov/pmc/articles/PMC11602387/pdf/","citationCount":null,"resultStr":null,"platform":"Semanticscholar","paperid":"142387528","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
Tuning Into Immune Cell Responses of Chronic Stress With Intravital Microscopy. 用显微镜观察免疫细胞对慢性压力的反应
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.124.321865
Matthias Nahrendorf
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