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Enrick M, Jamaiyar A, Ohanyan V, Juguilon C, Kolz C, Shi X, Janota D, Wan W, Richardson D, Stevanov K, Hakobyan T, Shockling L, Diaz A, Usip S, Dong F, Zhang P, Chilian WM, Yin L. The Roles of Bone Marrow-Derived Stem Cells in Coronary Collateral Growth Induced by Repetitive Ischemia. Cells 2023; 12:242. [PMID: 36672176 PMCID: PMC9856468 DOI: 10.3390/cells12020242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Revised: 12/29/2022] [Accepted: 01/04/2023] [Indexed: 01/09/2023] Open
Abstract
Many clinical trials have attempted to use stem cells to treat ischemic heart diseases (IHD), but the benefits have been modest. Though coronary collaterals can be a "natural bypass" for IHD patients, the regulation of coronary collateral growth (CCG) and the role of endogenous stem cells in CCG are not fully understood. In this study, we used a bone marrow transplantation scheme to study the role of bone marrow stem cells (BMSCs) in a rat model of CCG. Transgenic GFP rats were used to trace BMSCs after transplantation; GFP bone marrow was harvested or sorted for bone marrow transplantation. After recovering from transplantation, the recipient rats underwent 10 days of repetitive ischemia (RI), with echocardiography before and after RI, to measure cardiac function and myocardial blood flow. At the end of RI, the rats were sacrificed for the collection of bone marrow for flow cytometry or heart tissue for imaging analysis. Our study shows that upon RI stimulation, BMSCs homed to the recipient rat hearts' collateral-dependent zone (CZ), proliferated, differentiated into endothelial cells, and engrafted in the vascular wall for collateral growth. These RI-induced collaterals improved coronary blood flow and cardiac function in the recipients' hearts during ischemia. Depletion of donor CD34+ BMSCs led to impaired CCG in the recipient rats, indicating that this cell population is essential to the process. Overall, these results show that BMSCs contribute to CCG and suggest that regulation of the function of BMSCs to promote CCG might be a potential therapeutic approach for IHD.
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Affiliation(s)
- Molly Enrick
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Anurag Jamaiyar
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Vahagn Ohanyan
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Cody Juguilon
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Christopher Kolz
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Xin Shi
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Danielle Janota
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Weiguo Wan
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Devan Richardson
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Kelly Stevanov
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Tatevik Hakobyan
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Lindsay Shockling
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Arianna Diaz
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Sharon Usip
- Department of Anatomy and Neuroscience, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Feng Dong
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Ping Zhang
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - William M. Chilian
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
| | - Liya Yin
- Department of Integrative Medical Sciences, Northeast Ohio Medical University, Rootstown, OH 44272, USA
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Genetic variants of VEGFR-1 gene promoter in acute myocardial infarction. Hum Genomics 2019; 13:56. [PMID: 31744542 PMCID: PMC6862733 DOI: 10.1186/s40246-019-0243-1] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2019] [Accepted: 10/09/2019] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND Coronary artery disease (CAD) including acute myocardial infarction (AMI) is a common complex disease caused by atherosclerosis. Vascular epithelial growth factor receptor-1 (VEGFR-1) stimulates angiogenesis and vascular permeability, and functions as a decoy to sequester VEGF and prevent initiation of intracellular signaling. VEGFR-1 knockout mice exhibit significantly higher mortality due to heart failure, cardiac hypertrophy, and cardiac dysfunction. An evident increase in macrophage infiltration and cardiac fibrosis are also observed after transverse aortic constriction. Therefore, VEGFR-1 gene variants may be involved in CAD. In this study, VEGFR-1 gene promoter was genetically and functionally analyzed in large cohorts of AMI patients and ethnic-matched controls. RESULTS A total of 16 DNA sequence variants (DSVs) including six single-nucleotide polymorphisms (SNPs) were found in the VEGFR-1 gene promoter and 5'-untranslated region. Five novel DSVs and one SNP were only identified in AMI patients group. These DSVs and SNP significantly altered the transcriptional activity of the VEGFR-1 gene promoter in both HEK-293 and H9c2 cells (P < 0.05). Further electrophoretic mobility shift assay indicated that the DSVs and SNPs evidently affected the binding of transcription factors. CONCLUSIONS The genetic variants in VEGFR-1 gene identified in AMI patients may alter the transcriptional activity of the VEGFR-1 gene promoter and change VEGFR-1 level, contributing to AMI development.
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Cao Z, Tong X, Xia W, Chen L, Zhang X, Yu B, Yang Z, Tao J. CXCR7/p-ERK-Signaling Is a Novel Target for Therapeutic Vasculogenesis in Patients with Coronary Artery Disease. PLoS One 2016; 11:e0161255. [PMID: 27612090 PMCID: PMC5017667 DOI: 10.1371/journal.pone.0161255] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2016] [Accepted: 08/02/2016] [Indexed: 12/15/2022] Open
Abstract
Coronary artery disease (CAD) is characterized by insufficient vasculogenic response to ischemia, which is typically accompanied by dysfunction of endothelial outgrowth cells (EOCs). CXC chemokine receptor 7 (CXCR7) is a key modulator of the neovascularization of EOCs to perfusion defect area. However, the mechanism underlying the role of EOCs in CAD-related abnormal vasculogenesis is still not clear. Here, we investigated the alteration of EOCs-related vasculogenic capacity in patients with CAD and its potential mechanism. Compared with EOCs isolated from healthy subjects, EOCs from CAD patients showed an impaired vasculogenic function in vitro. CXCR7 expression of EOCs from CAD patients was downregulated. Meanwhile, the phosphorylation of extracellular signal-regulated kinase (ERK), downstream of CXCR7 signaling, was also reduced. CXCR7 expression introduced by adenovirus increased the phosphorylation of ERK, which was parallel to improved function of EOCs. The enhanced adhesion and vasculogenesis of EOCs can be blocked by short interfering RNA (siRNA) against CXCR7 and ERK inhibitor PD098059. Therefore, our study demonstrates that the upregulation of CXCR7 signaling contributes to increased vasculogenic capacity of EOCs from CAD patients, indicating that CXCR7 signaling may be a novel therapeutic vasculogenic target for CAD.
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Affiliation(s)
- Zheng Cao
- Department of Cardiology, Taihe Hospital, Hubei University of Medicine, Hubei, China
| | - Xinzhu Tong
- Department of Cardiology, Taihe Hospital, Hubei University of Medicine, Hubei, China
- Department of Hypertension and Vascular Disease, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Wenhao Xia
- Department of Hypertension and Vascular Disease, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Long Chen
- Department of Hypertension and Vascular Disease, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Xiaoyu Zhang
- Department of Hypertension and Vascular Disease, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Bingbo Yu
- Department of Hypertension and Vascular Disease, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
| | - Zhen Yang
- Department of Hypertension and Vascular Disease, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
- * E-mail: (JT); (ZY)
| | - Jun Tao
- Department of Hypertension and Vascular Disease, The First Affiliated Hospital, Sun Yat-Sen University, Guangzhou, China
- * E-mail: (JT); (ZY)
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Association of serum mimecan with angiographic coronary collateralization in patients with stable coronary artery disease and chronic total occlusion. Atherosclerosis 2016; 252:75-81. [PMID: 27508318 DOI: 10.1016/j.atherosclerosis.2016.07.916] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 07/20/2016] [Accepted: 07/21/2016] [Indexed: 01/27/2023]
Abstract
BACKGROUND AND AIMS Mimecan/osteoglycin is identified as an emerging biomarker of coronary atherosclerosis. We investigated whether and to what extent serum mimecan reflects angiographic coronary collateralization in patients with stable coronary artery disease and chronic total occlusion. METHODS Serum levels of mimecan were determined in 559 consecutive patients with stable angina and angiographic total occlusion of at least one major coronary artery. The degree of collaterals supplying the distal aspect of a total occlusion from the contra-lateral vessel was graded as poor (Rentrop score of 0 or 1) or good coronary collateralization (Rentrop score of 2 or 3). RESULTS Serum mimecan was significantly higher in patients with poor collateralization than in those with good collateralization, and correlated inversely with Rentrop score (adjusted Spearmen's r = -0.443, p < 0.001). The prevalence of poor coronary collaterals increased stepwise from the lowest to the highest quartile of serum mimecan (OR 2.140, 95% CI 1.793-2.555; p for trend < 0.001). After adjusting for age, gender, traditional risk factors for coronary artery disease, history of myocardial infarction, severity of coronary artery disease, renal function and C-reactive protein, serum mimecan (per SD) remained an independent determinant for poor collateralization (OR 2.674, 95% CI 2.057-3.475, p < 0.001). The diagnostic value of mimecan (per SD) for detecting poor collateralization was consistent when the patients were specified by gender, age, body mass index, presence or absence of hypertension and diabetes, and status of renal function (OR 2.075-6.932, p interaction ≥ 0.059). CONCLUSION Increased serum mimecan is associated with poor angiographic coronary collateralization in patients with chronic total occlusion.
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Atkins GB, Orasanu G, Jain MK. Endothelial Cells. Atherosclerosis 2015. [DOI: 10.1002/9781118828533.ch9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
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Dyer L, Pi X, Patterson C. Connecting the coronaries: how the coronary plexus develops and is functionalized. Dev Biol 2014; 395:111-9. [PMID: 25173872 DOI: 10.1016/j.ydbio.2014.08.024] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Revised: 08/13/2014] [Accepted: 08/14/2014] [Indexed: 11/28/2022]
Abstract
The establishment of the coronary circulation is one of the final critical steps during heart development. Despite decades of research, our understanding of how the coronary vasculature develops and connects to the aorta remains limited. This review serves two specific purposes: it addresses recent advances in understanding the origin of the coronary endothelium, and it then focuses on the last crucial step of coronary vasculature development, the connection of the coronary plexus to the aorta. The chick and quail animal models have yielded most of the information for how these connections form, starting with a fine network of vessels that penetrate the aorta and coalesce to form two distinct ostia. Studies in mouse and rat confirm that at least some of these steps are conserved in mammals, but gaps still exist in our understanding of mammalian coronary ostia formation. The signaling cues necessary to guide the coronary plexus to the aorta are also incompletely understood. Hypoxia-inducible transcription factor-1 and its downstream targets are among the few identified genes that promote the formation of the coronary stems. Together, this review summarizes our current knowledge of coronary vascular formation and highlights the significant gaps that remain. In addition, it highlights some of the coronary artery anomalies known to affect human health, demonstrating that even seemingly subtle defects arising from incorrect coronary plexus formation can result in significant health crises.
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Affiliation(s)
- Laura Dyer
- 8200 Medical Biomolecular Research Building, McAllister Heart Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA.
| | - Xinchun Pi
- 8200 Medical Biomolecular Research Building, McAllister Heart Institute, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Cam Patterson
- NewYork-Presbyterian Hospital, New York, NY 10065, USA
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Increased serum level of CTRP1 is associated with low coronary collateralization in stable angina patients with chronic total occlusion. Int J Cardiol 2014; 174:203-6. [DOI: 10.1016/j.ijcard.2014.03.205] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/18/2014] [Accepted: 03/31/2014] [Indexed: 01/27/2023]
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Inverse Correlation Between Circulating Endothelial Progenitor Cells With CD34+CD133+ and the Severity of Coronary Atherosclerosis Assessed by Syntax Score. Am J Med Sci 2014; 347:457-62. [DOI: 10.1097/maj.0b013e3182a56297] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
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Chan KH, Simpson PJL, Yong AS, Dunn LL, Chawantanpipat C, Hsu C, Yu Y, Keech AC, Celermajer DS, Ng MKC. The relationship between endothelial progenitor cell populations and epicardial and microvascular coronary disease-a cellular, angiographic and physiologic study. PLoS One 2014; 9:e93980. [PMID: 24736282 PMCID: PMC3988011 DOI: 10.1371/journal.pone.0093980] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2013] [Accepted: 03/10/2014] [Indexed: 12/20/2022] Open
Abstract
BACKGROUND Endothelial progenitor cells (EPCs) are implicated in protection against vascular disease. However, studies using angiography alone have reported conflicting results when relating EPCs to epicardial coronary artery disease (CAD) severity. Moreover, the relationship between different EPC types and the coronary microcirculation is unknown. We therefore investigated the relationship between EPC populations and coronary epicardial and microvascular disease. METHODS Thirty-three patients with a spectrum of isolated left anterior descending artery disease were studied. The coronary epicardial and microcirculation were physiologically interrogated by measurement of fractional flow reserve (FFR), index of microvascular resistance (IMR) and coronary flow reserve (CFR). Two distinct EPC populations (early EPC and late outgrowth endothelial cells [OECs]) were isolated from these patients and studied ex vivo. RESULTS There was a significant inverse relationship between circulating OEC levels and epicardial CAD severity, as assessed by FFR and angiography (r=0.371, p=0.04; r=-0.358, p=0.04; respectively). More severe epicardial CAD was associated with impaired OEC migration and tubulogenesis (r=0.59, p=0.005; r=0.589, p=0.004; respectively). Patients with significant epicardial CAD (FFR<0.75) had lower OEC levels and function compared to those without hemodynamically significant stenoses (p<0.05). In contrast, no such relationship was seen for early EPC number and function, nor was there a relationship between IMR and EPCs. There was a significant relationship between CFR and OEC function. CONCLUSIONS EPC populations differ in regards to their associations with CAD severity. The number and function of OECs, but not early EPCs, correlated significantly with epicardial CAD severity. There was no relationship between EPCs and severity of coronary microvascular disease.
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Affiliation(s)
- Kim H. Chan
- Department of Cardiology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
- The Heart Research Institute, Sydney, New South Wales, Australia
- Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
| | | | - Andy S. Yong
- Department of Cardiology, Concord Hospital, Sydney, New South Wales, Australia
| | - Louise L. Dunn
- The Heart Research Institute, Sydney, New South Wales, Australia
| | | | - Chijen Hsu
- Department of Cardiology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
- The Heart Research Institute, Sydney, New South Wales, Australia
- Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
| | - Young Yu
- Department of Cardiology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
- The Heart Research Institute, Sydney, New South Wales, Australia
- Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
| | - Anthony C. Keech
- Department of Cardiology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
- Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
- National Health and Medical Research Council Clinical Trials Centre, Sydney, New South Wales, Australia
| | - David S. Celermajer
- Department of Cardiology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
- The Heart Research Institute, Sydney, New South Wales, Australia
- Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
| | - Martin K. C. Ng
- Department of Cardiology, Royal Prince Alfred Hospital, Sydney, New South Wales, Australia
- The Heart Research Institute, Sydney, New South Wales, Australia
- Sydney Medical School, The University of Sydney, Sydney, New South Wales, Australia
- * E-mail:
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Qin Q, Qian J, Ge L, Shen L, Jia J, Jin J, Ge J. Effect and mechanism of thrombospondin-1 on the angiogenesis potential in human endothelial progenitor cells: an in vitro study. PLoS One 2014; 9:e88213. [PMID: 24505433 PMCID: PMC3914943 DOI: 10.1371/journal.pone.0088213] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2013] [Accepted: 01/04/2014] [Indexed: 12/02/2022] Open
Abstract
Objective Coronary collateral circulation plays a protective role in patients with coronary artery disease (CAD). We investigated whether thrombospondin-1(TSP-1) has an inhibitory effect on angiogenesis potential in endothelial progenitor cells(EPCs) and tested whether TSP-1 are altered in plasma of patients who had chronic total occlusion (CTO) in at least one coronary artery and with different collateral stages(according to Rentrop grading system). Methods and Results We isolated early and late EPCs from human cord blood and investigated a dose-dependent effect of TSP-1 on their angiogenesis potential by Matrigel angiogenesis assay. We found that TSP-1 (5 µg/ml) inhibited early EPCs incorporation into tubules after pretreatment for 1, 6 and 12 hours, respectively (83.3±11.9 versus 50.0±10.1 per field for 1 hour,161.7±12.6 versus 124.0±14.4 for 6 hours, 118.3±12.6 versus 68.0±20.1 for 12 hours, p<0.05). TSP-1 also inhibited late EPCs tubule formation at 1 µg/ml (6653.4±422.0 µm/HPFversus 5552.8±136.0 µm/HPF, p<0.05), and the inhibition was further enhanced at 5 µg/ml (6653.4±422.0 µm/HPF versus 2118.6±915.0 µm/HPF p<0.01). To explore the mechanism involved, a small interfering RNA was used. In vitro, CD47 siRNA significantly attenuated TSP-1's inhibition of angiogenesis on late EPCs and similar results were obtained after functional blocking by anti-CD47 antibody. Then we investigated pathways downstream of CD47 and found TSP-1 regulated VEGF-induced VEGFR2 phosphorylation via CD47. Furthermore, we examined plasma TSP-1 levels in patients with CTO who developed different stages of collaterals and found a paradoxical higher level of TSP-1 in patients with good collaterals compared with bad ones (612.9±554.0 ng/ml versus 224.4±132.4 ng/ml, p<0.05). Conclusion TSP-1 inhibited angiogenesis potential of early and late EPCs in vitro. This inhibition may be regulated by TSP-1's interaction with CD47, resulting in down regulation of VEGFR2 phosphorylation. In patients with CTO, there may be a self-adjustment mechanism in bad collaterals which is shown as low level of angiogenesis inhibitor TSP-1, and thus favoring collateral formation.
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Affiliation(s)
- Qing Qin
- Shanghai Institute of Cardiovascular Disease, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Juying Qian
- Shanghai Institute of Cardiovascular Disease, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Lei Ge
- Shanghai Institute of Cardiovascular Disease, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Li Shen
- Shanghai Institute of Cardiovascular Disease, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jianguo Jia
- Shanghai Institute of Cardiovascular Disease, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Jianhao Jin
- Shanghai Institute of Cardiovascular Disease, Zhongshan Hospital, Fudan University, Shanghai, China
| | - Junbo Ge
- Shanghai Institute of Cardiovascular Disease, Zhongshan Hospital, Fudan University, Shanghai, China
- * E-mail:
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Uzunlar B, Karabulut A, Dogan Z, Cakmak M. Coronary-carotid artery collateral formation in Takayasu's arteritis: First reported case in the literature. J Cardiol Cases 2014; 9:151-153. [PMID: 30546788 DOI: 10.1016/j.jccase.2013.12.010] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2013] [Revised: 12/02/2013] [Accepted: 12/19/2013] [Indexed: 10/25/2022] Open
Abstract
We present the first case report of coronary-carotid artery collateral formation in Takayasu's arteritis. There was a vasculitic involvement of both subclavian and carotid arteries with critical stenosis; cerebral perfusion was supported with collaterals arising from the mesenteric arteries and coronary artery. <Learning objective: A case of coronary-carotid artery collateral formation in Takayasu's arteritis is presented. Such an angiographic finding has not been reported previously, and this case could be the first description of coronary-carotid artery collaterals development. The learning objective of the article is to evaluate collateral circulation in Takayasu's arteritis from different vasculature including the coronary system.>.
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Affiliation(s)
- Bulent Uzunlar
- Department of Cardiology, Istanbul Medicine Hospital, İstanbul, Turkey
| | - Ahmet Karabulut
- Department of Cardiology, Istanbul Medicine Hospital, İstanbul, Turkey
| | - Zeki Dogan
- Department of Cardiology, Istanbul Medicine Hospital, İstanbul, Turkey
| | - Mahmut Cakmak
- Department of Cardiology, Istanbul Medicine Hospital, İstanbul, Turkey.,Department of Cardiology, International Medicine Hospital, Pristina, Kosovo
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Sun Z, Shen Y, Lu L, Zhang RY, Pu LJ, Zhang Q, Yang ZK, Hu J, Chen QJ, Shen WF. Increased Serum Level of Soluble Vascular Endothelial Growth Factor Receptor-1 Is Associated With Poor Coronary Collateralization in Patients With Stable Coronary Artery Disease. Circ J 2014; 78:1191-6. [DOI: 10.1253/circj.cj-13-1143] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Zhen Sun
- Department of Cardiology, Shanghai Rui Jin Hospital
| | - Ying Shen
- Department of Cardiology, Shanghai Rui Jin Hospital
| | - Lin Lu
- Department of Cardiology, Shanghai Rui Jin Hospital
- Institute of Cardiovascular Diseases, School of Medicine, Shanghai Jiaotong University
| | | | - Li Jin Pu
- Department of Cardiology, Shanghai Rui Jin Hospital
| | - Qi Zhang
- Department of Cardiology, Shanghai Rui Jin Hospital
| | | | - Jian Hu
- Department of Cardiology, Shanghai Rui Jin Hospital
| | - Qiu Jing Chen
- Institute of Cardiovascular Diseases, School of Medicine, Shanghai Jiaotong University
| | - Wei Feng Shen
- Department of Cardiology, Shanghai Rui Jin Hospital
- Institute of Cardiovascular Diseases, School of Medicine, Shanghai Jiaotong University
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Abd El Aziz M, Abd El Nabi E, Abd El Hamid M, Sabry D, Atta H, Rahed L, Shamaa A, Mahfouz S, Taha F, Elrefaay S, Gharib D, Elsetohy KA. Endothelial progenitor cells regenerate infracted myocardium with neovascularisation development. J Adv Res 2013; 6:133-44. [PMID: 25750747 PMCID: PMC4348451 DOI: 10.1016/j.jare.2013.12.006] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2013] [Revised: 12/15/2013] [Accepted: 12/16/2013] [Indexed: 01/12/2023] Open
Abstract
We achieved possibility of isolation, characterization human umbilical cord blood endothelial progenitor cells (EPCs), examination potency of EPCs to form new blood vessels and differentiation into cardiomyoctes in canines with acute myocardial infarction (AMI). EPCs were separated and cultured from umbilical cord blood. Their phenotypes were confirmed by uptake of double stains dioctadecyl tetramethylindocarbocyanine-labeled acetylated LDL and FITC-labeled Ulex europaeus agglutinin 1 (DILDL-UEA-1). EPCs of cord blood were counted. Human VEGFR-2 and eNOS from the cultured EPCs were assessed by qPCR. Human EPCs was transplanted intramyocardially in canines with AMI. ECG and cardiac enzymes (CK-MB and Troponin I) were measured to assess severity of cellular damage. Histopathology was done to assess neovascularisation. Immunostaining was done to detect EPCs transdifferentiation into cardiomyocytes in peri-infarct cardiac tissue. qPCR for human genes (hVEGFR-2, and eNOS) was done to assess homing and angiogenic function of transplanted EPCs. Cultured human cord blood exhibited an increased number of EPCs and significant high expression of hVEGFR-2 and eNOS genes in the culture cells. Histopathology showed increased neovascularization and immunostaining showed presence of EPCs newly differentiated into cardiomyocyte-like cells. Our findings suggested that hEPCs can mediate angiogenesis and differentiate into cardiomyoctes in canines with AMI.
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Key Words
- AMI, acute myocardial infarction
- Acute myocardial infarction
- CAG, coronary angiography
- CFU, colony forming unit
- CTO, chronic total occlusion
- Canine
- DILDL-FITC labeled UEA-11, 1′-dioctadecyl-3,3,3′,3′-tetramethylindocarbocyanine-labeled acetylated LDL (DiLDL,) and FITC-labeled Ulex europaeus agglutinin-1
- Human EPCs
- MVD, multivessel disease
- Neovascularization
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Affiliation(s)
- M.T. Abd El Aziz
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - E.A. Abd El Nabi
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Cairo University, Cairo, Egypt
- Clinical Biochemistry Department, Faculty of Medicine, King Abdulaziz University, North Jedda, Saudi Arabia
| | - M. Abd El Hamid
- Cardiology Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - D. Sabry
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Cairo University, Cairo, Egypt
- Corresponding author. Tel.: +20 1111200200.
| | - H.M. Atta
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Cairo University, Cairo, Egypt
- Clinical Biochemistry Department, Faculty of Medicine, King Abdulaziz University, Rabigh branch, Jeddah, Saudi Arabia
| | - L.A. Rahed
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - A. Shamaa
- Surgery Department, Faculty of Veterinary Medicine, Cairo University, Giza, Egypt
| | - S. Mahfouz
- Pathology Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - F.M. Taha
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - S. Elrefaay
- Nuclear Medicine Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - D.M. Gharib
- Medical Biochemistry and Molecular Biology Department, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Khaled A. Elsetohy
- Obstetrics and Gynaecology Department, Faculty of Medicine, Cairo University, Cairo, Egypt
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Reynolds JA, Robertson AC, Bruce IN, Alexander MY. Improving cardiovascular outcomes in rheumatic diseases: therapeutic potential of circulating endothelial progenitor cells. Pharmacol Ther 2013; 142:231-43. [PMID: 24333265 DOI: 10.1016/j.pharmthera.2013.12.008] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2013] [Accepted: 11/25/2013] [Indexed: 02/07/2023]
Abstract
Patients with Rheumatoid Arthritis (RA) and Systemic Lupus Erythematosus (SLE) have a significantly increased risk of cardiovascular disease (CVD). The reason for this is unclear but may be due, at least in part, to the failure of endothelial repair mechanisms. Over the last 15 years there has been much interest in the mechanisms of endothelial renewal and its potential as a therapy for CVD. In the circulation there are two distinct populations of cells; myeloid angiogenic cells (MACs) which augment repair by the paracrine secretion of angiogenic factors, and outgrowth endothelial cells (OECs) which are true endothelial progenitor cells (EPCs) and promote vasculogenesis by differentiating into mature endothelium. There are marked abnormalities in the number and function of these cells in patients with RA and SLE. Inflammatory cytokines including interferon-alpha (IFNα) and tumour-necrosis factor alpha (TNFα) both impair MAC and OEC function ex vivo and may therefore contribute to the CVD risk in these patients. Whilst administration of mononuclear cells, MACs and other progenitors has improved cardiovascular outcomes in the acute setting, this is not a viable option in chronic disease. The pharmacological manipulation of MAC/OEC function in vivo however has the potential to significantly improve endothelial repair and thus reduce CVD in this high risk population.
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Affiliation(s)
- John A Reynolds
- Arthritis Research UK Epidemiology Unit, Institute of Inflammation and Repair, Manchester Academic Health Sciences Centre, The University of Manchester, Manchester, UK.
| | - Abigail C Robertson
- Institute of Cardiovascular Sciences, Manchester Academic Health Sciences Centre, The University of Manchester, UK
| | - Ian N Bruce
- Arthritis Research UK Epidemiology Unit, Institute of Inflammation and Repair, Manchester Academic Health Sciences Centre, The University of Manchester, Manchester, UK; NIHR Manchester Musculoskeletal Biomedical Research Unit, and Kellgren Centre for Rheumatology, Central Manchester University Hospitals NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, UK
| | - M Yvonne Alexander
- Institute of Cardiovascular Sciences, Manchester Academic Health Sciences Centre, The University of Manchester, UK; Healthcare Science Research Institute, Manchester Metropolitan University, UK Healthcare Science Research Institute, Manchester Metropolitan University, UK
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Fadini GP, Avogaro A. Dipeptidyl peptidase-4 inhibition and vascular repair by mobilization of endogenous stem cells in diabetes and beyond. Atherosclerosis 2013; 229:23-9. [DOI: 10.1016/j.atherosclerosis.2013.04.007] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/22/2013] [Revised: 02/28/2013] [Accepted: 04/08/2013] [Indexed: 12/13/2022]
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Yorgun H, Tokgözoğlu L, Canpolat U, Gürses KM, Bozdağ G, Yapıcı Z, Sahiner L, Kaya EB, Kabakçı G, Oto A, Tuncer M, Aytemir K. The cardiovascular effects of premature ovarian failure. Int J Cardiol 2012; 168:506-10. [PMID: 23073277 DOI: 10.1016/j.ijcard.2012.09.197] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/19/2012] [Accepted: 09/26/2012] [Indexed: 10/27/2022]
Abstract
BACKGROUND Previous studies have shown that cardiovascular risk is increased in premature ovarian failure (POF). To determine the effects of POF on different parameters of cardiovascular health, we investigated the relationship between POF and circulating endothelial progenitor cells (EPC), endothelial function, carotid intima media thickness (CIMT) and left ventricular diastolic function. METHODS We compared 23 female POF patients (mean age; 37.8 ± 10.8 years) with 20 gender and age-matched healthy controls. Circulating CD133(+)/34(+) and CD34(+)/KDR(+) EPCs were determined by using flow-cytometry. Ultrasound assessment of endothelial function by brachial artery flow-mediated dilatation (FMD) and CIMT was made. Left ventricular systolic and diastolic function was assessed by standard 2D and M-mode echocardiography and tissue Doppler velocities. RESULTS Brachial artery FMD was significantly impaired in patients with POF compared with CG (6.3 ± 1.9% vs 10.4 ± 3.7%, p<0.05). Furthermore, circulating EPCs were lower among patients with POF compared to controls for CD133(+)/34(+) and CD34(+)/KDR(+) cells (p<0.05). There was a significant correlation between serum estradiol levels and EPC number (CD 133+/34+) (r=0.329, p<0.05). POF patients had increased CIMT compared to controls (0.67 ± 0.17 vs 0.43 ± 0.10, p<0.05). When diastolic functions were assessed, patients with POF had lower Epeak, Apeak and mitral CP and higher DT and IVRT (p<0.05, respectively). CONCLUSION Our findings indicate that endothelial function as well as circulating EPCs, CIMT and diastolic function are significantly affected in young women with POF which may have an adverse long-term effect on cardiovascular prognosis.
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Affiliation(s)
- Hikmet Yorgun
- Department of Cardiology, Hacettepe University, Ankara, Turkey
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Pitha J, Lesná K, Sekerkova A, Poledne R, Kovář J, Lejsková M, Dvořáková H, Adámková S, Lánská V, Bobak M. Menopausal transition enhances the atherogenic risk of smoking in middle aged women. Int J Cardiol 2012; 168:190-6. [PMID: 23041101 DOI: 10.1016/j.ijcard.2012.09.095] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2012] [Revised: 07/24/2012] [Accepted: 09/15/2012] [Indexed: 11/29/2022]
Abstract
BACKGROUND The presence of cardiovascular risk factors during the menopausal transition could be critical in the development of atherosclerosis. In the present study, we evaluated whether the menopausal transition has impact on traditional and newly discussed risk factors. METHODS Six hundred ninety nine women from population-based study underwent ultrasound measurement of the intima-media thickness of the common carotid arteries (CIMT) - Prague Pre and Postmenopausal Females study (3PMFs). In addition, 40 women selected according to reproductive and smoking status were examined with regard to number of circulating endothelial progenitor cells, markers of reverse cholesterol transport and sex hormones, including their fluctuation - Hormone Variability study (HVs). RESULTS Age, smoking, body mass index, systolic blood pressure and HDL cholesterol were independently associated with the CIMT in 3PMFs group. The increase in the CIMT with age was markedly steeper in current/past smokers than in non-smokers among perimenopausal women (p for equality of slopes=0.005). This difference was not observed in premenopausal and menopausal women. In the HVs group, endothelial progenitor cells and reverse cholesterol transport were substantially higher while triglycerides and fluctuation of free testosterone were lower in non-smokers than in smokers in menopausal transition. In contrast, in menopausal women, the fluctuation of free testosterone was higher in non-smokers; no other differences between smokers and non-smokers were detected. CONCLUSIONS These results suggest that atherogenic effect of smoking may be enhanced during menopausal transition. The mechanism could be impaired reparative vascular processes, impaired reverse cholesterol transport and rapidly changing status of sex hormones.
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Affiliation(s)
- Jan Pitha
- Laboratory for Atherosclerosis Research, Institute of Clinical and Experimental Medicine, Prague, Czech Republic.
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