Abstract:
OBJECTIVE:Macrophages play a critical role in the initiation and progression of abdominal aortic aneurysm (AAA) and are classically distinguished into M1 "proinflammatory" and M2 "anti-inflammatory" macrophages. Topical application of elastase associated with transforming growth factor β (TGF-β) systemic neutralization reproduces the main pathologic features of human AAA, offering a new model to investigate their role. The aim of this study was to investigate whether macrophages contribute to the expression of canonical M1/M2 markers in the aorta in the AAA model induced by elastase and systemic blockade of TGF-β and whether blocking of TGF-β activity affects macrophage phenotype and the expression of the M2 marker arginase 1 (ARG1). METHODS:C57Bl/6J male mice (6-8 weeks old) were randomly assigned to three experimental groups: mice that had local application of heat-inactivated elastase or elastase and mice that had elastase application and received injection of anti-TGF-β (elastase + anti-TGF-β group). Monocyte-macrophage depletion was achieved in the elastase + anti-TGF-β group using liposome clodronate. Macrophage phenotype was characterized by quantitative polymerase chain reaction, flow cytometry, and immunohistochemistry. Human infrarenal AAA tissues (n = 10) were obtained to analyze ARG1 expression. RESULTS:Analysis of gene expression in the infrarenal aortic wall revealed that after 14 days, no significant difference for the expression of CCL2, NOS2, and Ym1/2 was observed in the elastase group compared with the elastase + anti-TGF-β group, whereas the expression of ARG1, interleukin (IL) 1β, and IL-6 was significantly increased. Macrophage depletion in the elastase + anti-TGF-β group led to a significant decrease of IL-1β, IL-6, ARG1, and Ym1/2 gene expression. Immunofluorescent staining confirmed that TGF-β neutralization significantly enhanced ARG1 protein expression in the aneurysmal tissue. Flow cytometry analysis revealed an increase of macrophages expressing ARG1 in the aorta of mice treated with elastase + anti-TGF-β compared with the elastase group, and their proportion increased with aneurysmal dilation. In humans, ARG1 protein expression was increased in aneurysmal tissues compared with controls, and positive cells were mainly found in the adventitia. CONCLUSIONS:TGF-β neutralization finely tunes macrophage phenotype in elastase-induced AAA and leads to an increase in ARG1 gene and protein expression in the aortic wall. Even if further studies are required to elucidate its role in AAA development, ARG1 could represent a new prognostic or therapeutic target in aneurysmal disease.
journal_name
J Vasc Surgjournal_title
Journal of vascular surgeryauthors
Raffort J,Lareyre F,Clément M,Moratal C,Jean-Baptiste E,Hassen-Khodja R,Burel-Vandenbos F,Bruneval P,Chinetti G,Mallat Zdoi
10.1016/j.jvs.2018.09.045subject
Has Abstractpub_date
2019-08-01 00:00:00pages
588-598.e2issue
2eissn
0741-5214issn
1097-6809pii
S0741-5214(18)32305-Xjournal_volume
70pub_type
杂志文章abstract:OBJECTIVE:This study investigated late outcomes (mortality, reoperations) and their associated predictors after operations for acute type A aortic dissection. The role catheter-based and hybrid interventions is discussed. METHODS:All hospital survivors operated on for acute type A aortic dissection from 1990 through 2...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/j.jvs.2012.12.078
更新日期:2013-08-01 00:00:00
abstract:BACKGROUND:Treatment of chronic venous insufficiency (CVI) has largely focused on reflux. Minimally-invasive techniques to address superficial and perforator reflux have evolved, but correction of deep reflux continues to be challenging. The advent of intravascular ultrasound (IVUS) scan and minimally invasive venous s...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/j.jvs.2009.08.032
更新日期:2010-02-01 00:00:00
abstract:PURPOSE:The purpose of this study is to describe a technique for resection of extensive thoracoabdominal aneurysms, which the authors believe will lower morbidity and mortality rates. METHODS:In an effort to minimize the risk of spinal cord ischemia, we have used a combination of sided heart bypass (left atrium to lef...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:
更新日期:1993-09-01 00:00:00
abstract:OBJECTIVE:Diabetes mellitus (DM) is associated with reduced progression of abdominal aortic aneurysm (AAA) disease. Mechanisms responsible for this negative association remain unknown. We created AAAs in hyperglycemic mice to examine the influence of serum glucose concentration on experimental aneurysm progression. ME...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/j.jvs.2010.05.086
更新日期:2010-10-01 00:00:00
abstract:BACKGROUND:Evidence to guide management of postdissection abdominal aortic aneurysms (PDAAA) is lacking. This study describes the outcomes of open repair of PDAAA. METHODS:A retrospective cohort study was conducted of all consecutive patients treated with open repair for PDAAA after a Stanford type A or type B thoraci...
journal_title:Journal of vascular surgery
pub_type: 杂志文章,多中心研究
doi:10.1016/j.jvs.2019.04.483
更新日期:2020-03-01 00:00:00
abstract:OBJECTIVE:To study the prevalence of and risk factors associated with carotid artery stenosis (CAS) after radiotherapy (RT) for head and neck cancer. METHODS: DESIGN OF STUDY:Prospective, cross-sectional study. SETTING:Patients recruited from a hospital Radiation-Oncology department. SUBJECTS:From March 2002 to Aug...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/j.jvs.2009.01.033
更新日期:2009-08-01 00:00:00
abstract::We report the fifth case of a graft appendiceal fistula. The four previously reported cases are reviewed. This is the first report of the utility of the tagged red blood cell study in the evaluation of a patient with a graft appendiceal fistula. ...
journal_title:Journal of vascular surgery
pub_type: 杂志文章,评审
doi:10.1067/mva.1988.avs0070814
更新日期:1988-06-01 00:00:00
abstract::A prospective, randomized study was conducted to compare the retroperitoneal versus transperitoneal approach for elective aortic reconstruction. One hundred thirteen patients (transperitoneal = 59, retroperitoneal = 54) were randomized between March 1987 and October 1988. In addition, to assess the changing course of ...
journal_title:Journal of vascular surgery
pub_type: 临床试验,杂志文章,随机对照试验
doi:10.1067/mva.1990.17353
更新日期:1990-02-01 00:00:00
abstract::Mycotic aneurysms of the extracranial internal carotid artery are rare; they usually appear as an enlarging pulsatile neck mass with associated pain, tenderness, and fever. This case report illustrates the need for prompt diagnosis and urgent surgical intervention. The most common organisms found with these aneurysms ...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1067/mva.1987.avs0060081
更新日期:1987-07-01 00:00:00
abstract:OBJECTIVE:The goal of abdominal aortic aneurysm (AAA) repair is the prevention of rupture. Exclusion of the infrarenal AAA by means of operation or endovascular graft placement is an alternative therapy to achieve this goal. However, thrombosis of the excluded aneurysm sac does not always occur and further intervention...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/s0741-5214(99)70034-0
更新日期:1999-12-01 00:00:00
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journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/j.jvs.2017.02.036
更新日期:2017-07-01 00:00:00
abstract:PURPOSE:The incidence, time-of-onset, and anatomical distribution of recurrent stenoses after remote endarterectomy in superficial femoral artery (SFA) occlusive disease were studied. METHODS:Patients undergoing SFA remote endarterectomy procedures were examined with duplex surveillance. Patients were examined at 6 we...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/s0741-5214(99)70182-5
更新日期:1999-07-01 00:00:00
abstract::Albeit uncommon, delayed renal dysfunction after endovascular abdominal aortic aneurysm repair (EVAR) can be attributed to proximal stent graft migration or unrecognized partial renal artery coverage. We report two patients who were found to have renal artery occlusion 1 week after EVAR with Zenith (Cook, Bloomington,...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/j.jvs.2007.08.019
更新日期:2008-02-01 00:00:00
abstract::Allergic reactions to contrast media, preexisting renal dysfunction, and hyperthyroidism are relative contraindications for angiography with conventional contrast medium. Carbon dioxide (CO(2)) angiography is an alternative method in high-risk patients because CO(2) is nontoxic, without allergic potential, and not iod...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1067/mva.2001.111746
更新日期:2001-03-01 00:00:00
abstract:OBJECTIVE:In 2007, Medicare guidelines were established to identify persons at risk for the presence of an abdominal aortic aneurysm (AAA). The purpose of this study is to evaluate the 5-year outcomes of an AAA screening program in a regional Veterans Affairs (VA) health care system. METHODS:Data were extracted from a...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/j.jvs.2012.08.038
更新日期:2013-02-01 00:00:00
abstract:OBJECTIVE:Thoracic endovascular aortic repair (TEVAR) is the preferred operative treatment of blunt thoracic aortic injuries (BTAIs). Its use is associated with improved outcomes compared with open surgical repair and nonoperative management. However, the optimal time from injury to repair is unknown and remains a subj...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/j.jvs.2020.05.079
更新日期:2020-07-15 00:00:00
abstract:PURPOSE:Carotid endarterectomy (CEA) has proven to be effective in the prevention of stroke in patients with significant internal carotid artery (ICA) stenosis. However, whether increased cerebral blood flow after CEA improves the cerebral metabolism in patients with asymptomatic ICA flow lesions is unknown. Localized ...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1067/mva.2002.126555
更新日期:2002-09-01 00:00:00
abstract:BACKGROUND:Vascular surgery-related groin complications can lead to catastrophic outcomes and pose a significant healthcare burden. We have taken steps to reduce potential complications at the time of initial surgery by performing prophylactic muscle flaps. The purpose of this study is to evaluate the efficacy and bene...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/j.jvs.2011.10.110
更新日期:2012-04-01 00:00:00
abstract:OBJECTIVE:Owing to the lack of comparative evidence between the endovascular technologies for arteriovenous fistula (AVF) stenosis treatments, we sought to summarize the reported data comparing the effectiveness of different endovascular approaches for the treatment of AVF stenoses at the juxta-anastomotic site. METHO...
journal_title:Journal of vascular surgery
pub_type: 杂志文章,meta分析
doi:10.1016/j.jvs.2019.07.075
更新日期:2020-03-01 00:00:00
abstract:PURPOSE:Many viruses have evolved mechanisms to evade detection by the host immune system. The herpes simplex gene ICP47 encodes a protein that binds to the host antigen-processing transporter, inhibiting the formation of major histocompatibility complex class I (MHC-I) antigens in infected cells. MHC-I antigen express...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:
更新日期:2000-03-01 00:00:00
abstract:BACKGROUND:Despite the current Centers for Medicare and Medicaid Services coverage criteria for carotid artery stenting (CAS), consensus regarding its appropriateness in patients with carotid artery stenosis has not been reached. This is one of the first population-based studies to use a dedicated administrative conven...
journal_title:Journal of vascular surgery
pub_type: 杂志文章,多中心研究
doi:10.1016/j.jvs.2010.05.010
更新日期:2010-10-01 00:00:00
abstract:PURPOSE:The North American and the European Symptomatic Carotid Endarterectomy Trial investigators reported a conclusive benefit of carotid endarterectomy for patients with symptomatic 70% to 99% internal carotid artery (ICA) stenosis. However, it has been suggested that plaque structure may be an even more important f...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/0741-5214(94)90014-0
更新日期:1994-08-01 00:00:00
abstract:INTRODUCTION:Recent evidence suggests disparities exist among racial groups with peripheral arterial disease (PAD). Hispanics (HI) are the fastest growing demographic in the United States, but little outcome data is available for this population. Therefore, we undertook this study to compare the results of autogenous i...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/j.jvs.2009.02.010
更新日期:2009-06-01 00:00:00
abstract:PURPOSE:In a randomized, prospective, multicenter trial at 16 medical centers, 189 of 5000 patients screened with cerebrovascular disease were identified as having angiographic internal carotid artery stenosis (> 50%) corresponding to presenting symptoms of transient ischemic attacks (TIAs), transient monocular blindne...
journal_title:Journal of vascular surgery
pub_type: 临床试验,杂志文章,多中心研究,随机对照试验
doi:10.1067/mva.1993.42734
更新日期:1993-02-01 00:00:00
abstract:OBJECTIVE:Inflammatory modulators are important in the pathogenesis of aneurysmal disease. Gene expression profiling of experimental abdominal aortic aneurysm (AAA) tissue demonstrated upregulation of the FK506BP12 (rapamycin binding protein) gene product. Rapamycin is a potent immunosuppressor that prevents recurrent ...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/j.jvs.2004.05.020
更新日期:2004-08-01 00:00:00
abstract::Lower extremity paraplegia or paraparesis is an extremely rare event after operative repair of infrarenal abdominal aortic aneurysms (AAAS). We report two such cases that occurred after endovascular repair or attempted endovascular repair of routine AAAS. To our knowledge, these are the first two cases reported specif...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1067/mva.2001.111801
更新日期:2001-01-01 00:00:00
abstract::We used direct thrombin injection to occlude a pseudoaneurysm that formed from a contained rupture of a penetrating atherosclerotic ulcer at the junction of the thoracic and abdominal aorta after we failed to seal the perforation with an endovascular stent graft. The principles of thrombin injection and the technical ...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1067/mva.2003.19
更新日期:2003-01-01 00:00:00
abstract:PURPOSE:Fifty-one consecutive patients with premature lower extremity atherosclerosis were prospectively evaluated for atherogenic risk factors and primary or acquired hypercoagulability, which might contribute to early ischemia and revascularization failure. METHODS:Laboratory tests included plasma assays of (1) natu...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1016/s0741-5214(05)80033-3
更新日期:1996-01-01 00:00:00
abstract:PURPOSE:Experiments were designed to determine the function of the endothelium and smooth muscle in cryopreserved and fresh canine saphenous vein allografts. METHODS:Reversed interposition saphenous vein grafts were implanted into the femoral arteries of two groups of dogs: group 1 received one freshly harvested saphe...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:
更新日期:1993-08-01 00:00:00
abstract::The successful treatment of a brachial artery occlusion caused by a chronic embolizing aneurysm of the anterior humeral circumflex artery is described. In the case of embolizing axillary artery aneurysms, the best therapy is resection of the aneurysm followed by distal thromboembolectomy and vascular reconstruction by...
journal_title:Journal of vascular surgery
pub_type: 杂志文章
doi:10.1067/mva.1991.25235
更新日期:1991-03-01 00:00:00