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Hassanpour M, Salybekov AA, Kobayashi S, Asahara T. CD34 positive cells as endothelial progenitor cells in biology and medicine. Front Cell Dev Biol 2023; 11:1128134. [PMID: 37138792 PMCID: PMC10150654 DOI: 10.3389/fcell.2023.1128134] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Accepted: 04/03/2023] [Indexed: 05/05/2023] Open
Abstract
CD34 is a cell surface antigen expressed in numerous stem/progenitor cells including hematopoietic stem cells (HSCs) and endothelial progenitor cells (EPCs), which are known to be rich sources of EPCs. Therefore, regenerative therapy using CD34+ cells has attracted interest for application in patients with various vascular, ischemic, and inflammatory diseases. CD34+ cells have recently been reported to improve therapeutic angiogenesis in a variety of diseases. Mechanistically, CD34+ cells are involved in both direct incorporation into the expanding vasculature and paracrine activity through angiogenesis, anti-inflammatory, immunomodulatory, and anti-apoptosis/fibrosis roles, which support the developing microvasculature. Preclinical, pilot, and clinical trials have well documented a track record of safety, practicality, and validity of CD34+ cell therapy in various diseases. However, the clinical application of CD34+ cell therapy has triggered scientific debates and controversies in last decade. This review covers all preexisting scientific literature and prepares an overview of the comprehensive biology of CD34+ cells as well as the preclinical/clinical details of CD34+ cell therapy for regenerative medicine.
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Affiliation(s)
- Mehdi Hassanpour
- Shonan Research Institute of Innovative Medicine, Shonan Kamakura General Hospital, Kamakura, Kanagawa, Japan
- Center for Cell Therapy and Regenerative Medicine, Shonan Kamakura General Hospital, Kamakura, Kanagawa, Japan
| | - Amankeldi A. Salybekov
- Shonan Research Institute of Innovative Medicine, Shonan Kamakura General Hospital, Kamakura, Kanagawa, Japan
- Center for Cell Therapy and Regenerative Medicine, Shonan Kamakura General Hospital, Kamakura, Kanagawa, Japan
- Kidney Disease and Transplant Center, Shonan Kamakura General Hospital, Kamakura, Kanagawa, Japan
| | - Shuzo Kobayashi
- Shonan Research Institute of Innovative Medicine, Shonan Kamakura General Hospital, Kamakura, Kanagawa, Japan
- Kidney Disease and Transplant Center, Shonan Kamakura General Hospital, Kamakura, Kanagawa, Japan
| | - Takayuki Asahara
- Shonan Research Institute of Innovative Medicine, Shonan Kamakura General Hospital, Kamakura, Kanagawa, Japan
- Center for Cell Therapy and Regenerative Medicine, Shonan Kamakura General Hospital, Kamakura, Kanagawa, Japan
- *Correspondence: Takayuki Asahara,
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Kadir RRA, Alwjwaj M, Bayraktutan U. Protein kinase C-β distinctly regulates blood-brain barrier-forming capacity of Brain Microvascular endothelial cells and outgrowth endothelial cells. Metab Brain Dis 2022; 37:1815-1827. [PMID: 35763197 PMCID: PMC9283364 DOI: 10.1007/s11011-022-01041-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/19/2021] [Accepted: 06/17/2022] [Indexed: 01/16/2023]
Abstract
Outgrowth endothelial cells (OECs) provide an endogenous repair mechanism and thus maintain endothelial barrier integrity. As inhibition of protein kinase C-β (PKC-β) activity has been shown to attenuate endothelial damage in various pathological conditions including hyperglycaemia and ischaemic injury, the present study comparatively assessed the effect of LY333531, a PKC-β inhibitor, on the cerebral barrier integrity formed by OECs or human brain microvascular endothelial cells (HBMECs). To this end, an in vitro model of human BBB established by co-culture of astrocytes and pericytes with either OECs or HBMECs was exposed to 4 h of oxygen-glucose deprivation with/out LY333531 (0.05 µM). The inhibition of PKC-β protected the integrity and function of the BBB formed by HBMECs, as evidenced by increases in transendothelial electrical resistance and decreases in sodium fluorescein flux. It also attenuated ischaemia-evoked actin cytoskeleton remodelling, oxidative stress, and apoptosis in HBMECs. In contrast, treatments with LY333531 exacerbated the deleterious effect of ischaemia on the integrity and function of BBB formed by OECs while augmenting the levels of oxidative stress, apoptosis, and cytoskeletal reorganisation in OECs. Interestingly, the magnitude of damage in all aforementioned parameters, notably oxidative stress, was lower with low dose of LY333531 (0.01 µM). It is therefore possible that the therapeutic concentration of LY333531 (0.05 µM) may neutralise the activity of NADPH oxidase and thus trigger a negative feedback mechanism which in turn exacerbate the detrimental effects of ischaemic injury. In conclusion, targeting PKC-β signalling pathway in ischaemic settings requires close attention while using OECs as cellular therapeutic.
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Affiliation(s)
- Rais Reskiawan A Kadir
- Academic Unit of Mental Health and Clinical Neuroscience, The University of Nottingham, Nottingham, UK
| | - Mansour Alwjwaj
- Academic Unit of Mental Health and Clinical Neuroscience, The University of Nottingham, Nottingham, UK
| | - Ulvi Bayraktutan
- Academic Unit of Mental Health and Clinical Neuroscience, The University of Nottingham, Nottingham, UK.
- Academic Unit of Mental Health and Clinical Neuroscience, Clinical Sciences Building, School of Medicine, The University of Nottingham, Hucknall Road, NG5 1PB, Nottingham, UK.
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Xu Y, Bu H, Jiang Y, Zhuo X, Hu K, Si Z, Chen Y, Liu Q, Gong X, Sun H, Zhu Q, Cui L, Ma X, Cui Y. N‑acetyl cysteine prevents ambient fine particulate matter‑potentiated atherosclerosis via inhibition of reactive oxygen species‑induced oxidized low density lipoprotein elevation and decreased circulating endothelial progenitor cell. Mol Med Rep 2022; 26:236. [PMID: 35621139 PMCID: PMC9185698 DOI: 10.3892/mmr.2022.12752] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2022] [Accepted: 05/09/2022] [Indexed: 11/06/2022] Open
Abstract
Ambient fine particulate matter (PM) serves an important role in the development of cardiovascular disease, including atherosclerosis. Antioxidant N‑acetyl cysteine (NAC) has protective effects in the cardiovascular system. However, it is unknown if NAC prevents PM‑potentiated atherosclerosis in hyperlipidemia. Low‑density lipoprotein (LDL) receptor knockout mice were pretreated with 1 mg/ml NAC in drinking water for 1 week and continued to receive NAC, high‑fat diet and intranasal instillation of PM for 1 week or 6 months. Blood plasma was collected for lipid profile, oxidized (ox‑)LDL, blood reactive oxygen species (ROS) and inflammatory cytokine (TNF‑α, IL‑1β and IL‑6) measurement. Blood cells were harvested for endothelial progenitor cell (EPC) population and intracellular ROS analysis. Murine aorta was isolated for atherosclerotic plaque ratio calculation. NAC treatment maintained circulating EPC level and significantly decreased blood ox‑LDL and ROS, inflammatory cytokines, mononuclear and EPC intracellular ROS levels as well as aortic plaque ratio. NAC prevented PM‑potentiated atherosclerosis by inhibiting plasma ROS‑induced ox‑LDL elevation, mononuclear cell and EPC intracellular ROS‑induced circulating EPC reduction and inflammatory cytokine production.
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Affiliation(s)
- Yixin Xu
- Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Haoran Bu
- Department of Cardiology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, P.R. China
| | - Yufan Jiang
- Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Xiaoqing Zhuo
- Department of Cardiology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, P.R. China
| | - Ke Hu
- Department of Emergency, Qianfoshan Hospital, Shandong First Medical University, Jinan, Shandong 250014, P.R. China
| | - Zhihua Si
- Department of Emergency, Qianfoshan Hospital, Shandong First Medical University, Jinan, Shandong 250014, P.R. China
| | - Yong Chen
- Department of Cardiology, Shandong Provincial Hospital, Cheeloo College of Medicine, Shandong University, Jinan, Shandong 250021, P.R. China
| | - Qiwei Liu
- Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Xianwei Gong
- Department of Pharmacy, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Haihui Sun
- Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Qingyi Zhu
- Department of Cardiovascular Medicine, Second Xiangya Hospital, Central South University, Changsha, Hunan 410008, P.R. China
| | - Lianqun Cui
- Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Xiaochun Ma
- Department of Cardiovascular Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
| | - Yuqi Cui
- Department of Cardiology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong 250021, P.R. China
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Singh P, O'Toole TE, Conklin DJ, Hill BG, Haberzettl P. Endothelial progenitor cells as critical mediators of environmental air pollution-induced cardiovascular toxicity. Am J Physiol Heart Circ Physiol 2021; 320:H1440-H1455. [PMID: 33606580 PMCID: PMC8260385 DOI: 10.1152/ajpheart.00804.2020] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 01/26/2021] [Accepted: 02/14/2021] [Indexed: 01/15/2023]
Abstract
Environmental air pollution exposure is a leading cause of death worldwide, and with increasing industrialization and urbanization, its disease burden is expected to rise even further. The majority of air pollution exposure-associated deaths are linked to cardiovascular disease (CVD). Although ample research demonstrates a strong correlation between air pollution exposure and CVD risk, the mechanisms by which inhalation of polluted air affects cardiovascular health are not completely understood. Inhalation of environmental air pollution has been associated with endothelial dysfunction, which suggests that air pollution exposure impacts CVD health by inducing endothelial injury. Interestingly, recent studies demonstrate that air pollution exposure affects the number and function of endothelial progenitor cells (EPCs), subpopulations of bone marrow-derived proangiogenic cells that have been shown to play an essential role in maintaining cardiovascular health. In line with their beneficial function, chronically low levels of circulating EPCs and EPC dysfunction (e.g., in diabetic patients) have been associated with vascular dysfunction, poor cardiovascular health, and increases in the severity of cardiovascular outcomes. In contrast, treatments that improve EPC number and function (e.g., exercise) have been found to attenuate cardiovascular dysfunction. Considering the critical, nonredundant role of EPCs in maintaining vascular health, air pollution exposure-induced impairments in EPC number and function could lead to endothelial dysfunction, consequently increasing the risk for CVD. This review article covers novel aspects and new mechanistic insights of the adverse effects of air pollution exposure on cardiovascular health associated with changes in EPC number and function.
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Affiliation(s)
- Parul Singh
- Division of Environmental Medicine, Diabetes and Obesity Center, Department of Medicine, University of Louisville, Louisville, Kentucky
| | - Timothy E O'Toole
- Division of Environmental Medicine, Diabetes and Obesity Center, Department of Medicine, University of Louisville, Louisville, Kentucky
| | - Daniel J Conklin
- Division of Environmental Medicine, Diabetes and Obesity Center, Department of Medicine, University of Louisville, Louisville, Kentucky
| | - Bradford G Hill
- Division of Environmental Medicine, Diabetes and Obesity Center, Department of Medicine, University of Louisville, Louisville, Kentucky
| | - Petra Haberzettl
- Division of Environmental Medicine, Diabetes and Obesity Center, Department of Medicine, University of Louisville, Louisville, Kentucky
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Zhao R, Feng D, Zhuang G, Liu Y, Chi S, Zhang J, Zhou X, Zhang W, Wang H. Protein kinase CK2 participates in estrogen-mediated endothelial progenitor cell homing to endometriotic lesions through stromal cells in a stromal cell-derived factor-1- CXCR4-dependent manner. Fertil Steril 2021; 113:1067-1079.e5. [PMID: 32386617 DOI: 10.1016/j.fertnstert.2019.12.035] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2019] [Revised: 12/19/2019] [Accepted: 12/23/2019] [Indexed: 02/07/2023]
Abstract
OBJECTIVE To explore the possible mechanism of protein kinase CK2, which participates in estrogen recruitment of endothelial progenitor cells (EPCs), and its role in the angiogenesis of endometriosis lesions. DESIGN Laboratory study. SETTING University. ANIMAL(S) BALB/c mice. INTERVENTION(S) Exposure of human endometrial stromal cells (HESCs) to estrogen and CK2 inhibitor CX-4945 and endometrial stromal cells transfected with the protein kinase CK2 vector (HESC-CK2). Endometriosis models were induced by allogeneic mice transplantation of the endometrium into dorsal skinfold chambers. The mice received an IP injection of 50 mg/kg emodin per day or were treated with 100 μg/kg estrogen by SC injection once a week. MAIN OUTCOME MEASURE(S) The concentration of cytokines in cells was measured with ELISA. The migration of EPCs was examined using the scratch assay method and Transwell, a capillary tube-formation assay to determine EPC tube-forming capacity, and protein and mRNA expression with Western blot and polymerase chain reaction analyses, respectively. RESULT(S) Protein kinase CK2 participates in estrogen-mediated EPC homing to endometriotic lesions through stromal cells in a stromal cell-derived factor-1 (SDF-1)-CXCR4-dependent manner. Conditioned medium from endometrial stromal cells that were stably transfected with the protein kinase CK2 vector (HESC-CK2) or pretreated with estrogen significantly enhanced the migration and recruitment of EPCs. In contrast, conditioned medium from HESCs that were treated with CX-4945, a selective inhibitor of CK2, inhibited the mobility and viability of EPCs. Furthermore, CK2 overexpression significantly upregulated SDF-1 expression and secretion in endometrial stromal cells by activating the AKT/mTOR pathway. Moreover, treatment with the SDF-1 receptor CXCR4-specific inhibitor AMD3100 completely reversed the CK2-enhanced migration of EPCs. CONCLUSION(S) This study demonstrates that CK2 participates in estrogen-mediated EPC homing to endometriotic lesions through stromal cells in an SDF-1-CXCR4-dependent manner and may be a therapeutic target.
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Affiliation(s)
- Rong Zhao
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huang Zhong University of Science and Technology, Wuhan, People's Republic of China
| | - Dilu Feng
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huang Zhong University of Science and Technology, Wuhan, People's Republic of China
| | - Guobin Zhuang
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huang Zhong University of Science and Technology, Wuhan, People's Republic of China
| | - Yan Liu
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huang Zhong University of Science and Technology, Wuhan, People's Republic of China
| | - Shuqi Chi
- Department of Obstetrics and Gynecology, Qilu Hospital of Shandong University, Jinan, People's Republic of China
| | - Jun Zhang
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huang Zhong University of Science and Technology, Wuhan, People's Republic of China
| | - Xing Zhou
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huang Zhong University of Science and Technology, Wuhan, People's Republic of China
| | - Wei Zhang
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huang Zhong University of Science and Technology, Wuhan, People's Republic of China
| | - Hongbo Wang
- Department of Obstetrics and Gynecology, Union Hospital, Tongji Medical College, Huang Zhong University of Science and Technology, Wuhan, People's Republic of China.
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Endothelial Cells as Tools to Model Tissue Microenvironment in Hypoxia-Dependent Pathologies. Int J Mol Sci 2021; 22:ijms22020520. [PMID: 33430201 PMCID: PMC7825710 DOI: 10.3390/ijms22020520] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/27/2020] [Accepted: 01/05/2021] [Indexed: 12/11/2022] Open
Abstract
Endothelial cells (ECs) lining the blood vessels are important players in many biological phenomena but are crucial in hypoxia-dependent diseases where their deregulation contributes to pathology. On the other hand, processes mediated by ECs, such as angiogenesis, vessel permeability, interactions with cells and factors circulating in the blood, maintain homeostasis of the organism. Understanding the diversity and heterogeneity of ECs in different tissues and during various biological processes is crucial in biomedical research to properly develop our knowledge on many diseases, including cancer. Here, we review the most important aspects related to ECs’ heterogeneity and list the available in vitro tools to study different angiogenesis-related pathologies. We focus on the relationship between functions of ECs and their organo-specificity but also point to how the microenvironment, mainly hypoxia, shapes their activity. We believe that taking into account the specific features of ECs that are relevant to the object of the study (organ or disease state), especially in a simplified in vitro setting, is important to truly depict the biology of endothelium and its consequences. This is possible in many instances with the use of proper in vitro tools as alternative methods to animal testing.
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Guo P, Li H, Chen L, Wang DP, Luo Y, Xu J. Genetically modified endothelial progenitor cells with hNotch1.ICN overexpression display facilitated angiogenesis. ANNALS OF TRANSLATIONAL MEDICINE 2020; 8:1316. [PMID: 33209896 PMCID: PMC7661891 DOI: 10.21037/atm-20-6362] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Background This study focused on hNotch1.ICN overexpression and investigated how it affects the biological behavior of endothelial progenitor cells (EPC) in vitro. Methods CCK 8 assay was used to evaluate overexpressed hNotch1.ICN to determine how to influence EPCs’ survivability. The Annexin V/PI method was used to detect overexpressed hNotch1.ICN and to influence EPC apoptosis. A flow cytometry instrument was used to assess the overexpression of hNotch1.ICN and determine how to influence the EPC cell cycle. Transwell was used to investigate how overexpressed hNotch1.ICN EPCs migrate using their endothelial ability and adhesive ability with activated endothelial cells and angiogenesis ability. After lentivirus gene transfection, qPCR and Western blot were used to detect a notch signaling pathway downstream of the signaling molecules Hes 1 and Hey 1 mRNA and protein expression. The role of the Notch.1 intracellular domain as a candidate EPC regulator with its differential expression and Hes 1 and Hey 1 expression of Notch downstream signaling molecules in separate groups was analyzed. Results A detailed analysis revealed an over-expressed hNotch1.ICN gene had no significant effect on canine EPC growth, strengthened EPC antiapoptotic ability, increased numbers of EPCs that underwent cell cycle arrest in the G2 phase, inhibited EPCs differentiation, and enhanced Hes 1 and Hey 1 expression. Moreover, an over-expressed hNotch1 ICN gene promotes EPCs to migrate across ECs, promotes EPCs to adhere to activating endothelial cells, and induces angiogenesis in vitro. Conclusions Over-expressed hNotch1.ICN onto EPCs could be used as a potential candidate to treat many ischemic diseases.
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Affiliation(s)
- Peng Guo
- Affiliated Tumor Hospital of Guangxi Medical University, Institute of Cancer Prevention and Treatment of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Hua Li
- College of Stomatology, Guangxi Medical University, Nanning, China
| | - Lin Chen
- The First Affiliated Hospital of Guangxi University of Chinese Medicine, Nanning, China
| | - Duo-Ping Wang
- Affiliated Tumor Hospital of Guangxi Medical University, Institute of Cancer Prevention and Treatment of Guangxi Zhuang Autonomous Region, Nanning, China
| | - Ying Luo
- College of Stomatology, Guangxi Medical University, Nanning, China
| | - Jian Xu
- Affiliated Tumor Hospital of Guangxi Medical University, Institute of Cancer Prevention and Treatment of Guangxi Zhuang Autonomous Region, Nanning, China
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Blood-derived extracellular vesicles isolated from healthy donors exposed to air pollution modulate in vitro endothelial cells behavior. Sci Rep 2020; 10:20138. [PMID: 33208829 PMCID: PMC7674466 DOI: 10.1038/s41598-020-77097-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Accepted: 10/29/2020] [Indexed: 11/08/2022] Open
Abstract
The release of Extracellular Vesicles (EVs) into the bloodstream is positively associated with Particulate Matter (PM) exposure, which is involved in endothelial dysfunction and related to increased risk of cardiovascular disease. Obesity modifies the effects of PM exposure on heart rate variability and markers of inflammation, oxidative stress, and acute phase response. We isolated and characterized plasmatic EVs from six healthy donors and confirmed a positive association with PM exposure. We stratified for Body Mass Index (BMI) and observed an increased release of CD61+ (platelets) and CD105+ (endothelium) derived-EVs after high PM level exposure in Normal Weight subjects (NW) and no significant variations in Overweight subjects (OW). We then investigated the ability to activate endothelial primary cells by plasmatic EVs after both high and low PM exposure. NW-high-PM EVs showed an increased endothelial activation, measured as CD105+/CD62e+ (activated endothelium) EVs ratio. On the contrary, cells treated with OW-high-PM EVs showed reduced endothelial activation. These results suggest the ability of NW plasmatic EVs to communicate to endothelial cells and promote the crosstalk between activated endothelium and peripheral cells. However, this capacity was lost in OW subjects. Our findings contribute to elucidate the role of EVs in endothelial activation after PM exposure.
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Lopes-Coelho F, Silva F, Gouveia-Fernandes S, Martins C, Lopes N, Domingues G, Brito C, Almeida AM, Pereira SA, Serpa J. Monocytes as Endothelial Progenitor Cells (EPCs), Another Brick in the Wall to Disentangle Tumor Angiogenesis. Cells 2020; 9:cells9010107. [PMID: 31906296 PMCID: PMC7016533 DOI: 10.3390/cells9010107] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2019] [Revised: 12/22/2019] [Accepted: 12/30/2019] [Indexed: 12/12/2022] Open
Abstract
Bone marrow contains endothelial progenitor cells (EPCs) that, upon pro-angiogenic stimuli, migrate and differentiate into endothelial cells (ECs) and contribute to re-endothelialization and neo-vascularization. There are currently no reliable markers to characterize EPCs, leading to their inaccurate identification. In the past, we showed that, in a panel of tumors, some cells on the vessel wall co-expressed CD14 (monocytic marker) and CD31 (EC marker), indicating a putative differentiation route of monocytes into ECs. Herein, we disclosed monocytes as potential EPCs, using in vitro and in vivo models, and also addressed the cancer context. Monocytes acquired the capacity to express ECs markers and were able to be incorporated into blood vessels, contributing to cancer progression, by being incorporated in tumor neo-vasculature. Reactive oxygen species (ROS) push monocytes to EC differentiation, and this phenotype is reverted by cysteine (a scavenger and precursor of glutathione), which indicates that angiogenesis is controlled by the interplay between the oxidative stress and the scavenging capacity of the tumor microenvironment.
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Affiliation(s)
- Filipa Lopes-Coelho
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School|Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisboa, Portugal; (F.L.-C.); (F.S.); (S.G.-F.); (G.D.); (S.A.P.)
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof. Lima Basto 1099-023 Lisboa, Portugal; (C.M.); (A.M.A.)
| | - Fernanda Silva
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School|Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisboa, Portugal; (F.L.-C.); (F.S.); (S.G.-F.); (G.D.); (S.A.P.)
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof. Lima Basto 1099-023 Lisboa, Portugal; (C.M.); (A.M.A.)
| | - Sofia Gouveia-Fernandes
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School|Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisboa, Portugal; (F.L.-C.); (F.S.); (S.G.-F.); (G.D.); (S.A.P.)
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof. Lima Basto 1099-023 Lisboa, Portugal; (C.M.); (A.M.A.)
| | - Carmo Martins
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof. Lima Basto 1099-023 Lisboa, Portugal; (C.M.); (A.M.A.)
| | - Nuno Lopes
- Instituto de Biologia Experimental e Tecnológica, Avenida da República, Estação Agronómica, 2780-157 Oeiras, Portugal; (N.L.); (C.B.)
| | - Germana Domingues
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School|Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisboa, Portugal; (F.L.-C.); (F.S.); (S.G.-F.); (G.D.); (S.A.P.)
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof. Lima Basto 1099-023 Lisboa, Portugal; (C.M.); (A.M.A.)
| | - Catarina Brito
- Instituto de Biologia Experimental e Tecnológica, Avenida da República, Estação Agronómica, 2780-157 Oeiras, Portugal; (N.L.); (C.B.)
- Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, Av. da República, 2780-157 Oeiras, Portugal
| | - António M Almeida
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof. Lima Basto 1099-023 Lisboa, Portugal; (C.M.); (A.M.A.)
- Hospital da Luz, Av. Lusíada 100, 1500-650 Lisboa, Portugal
| | - Sofia A Pereira
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School|Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisboa, Portugal; (F.L.-C.); (F.S.); (S.G.-F.); (G.D.); (S.A.P.)
| | - Jacinta Serpa
- CEDOC, Chronic Diseases Research Centre, NOVA Medical School|Faculdade de Ciências Médicas, Universidade NOVA de Lisboa, Campo dos Mártires da Pátria, 130, 1169-056 Lisboa, Portugal; (F.L.-C.); (F.S.); (S.G.-F.); (G.D.); (S.A.P.)
- Instituto Português de Oncologia de Lisboa Francisco Gentil (IPOLFG), Rua Prof. Lima Basto 1099-023 Lisboa, Portugal; (C.M.); (A.M.A.)
- Correspondence: ; Tel.: +350-217-229-800; Fax: +351-217-248-756
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Qian N, Li X, Wang X, Wu C, Yin L, Zhi X. Tryptase promotes breast cancer angiogenesis through PAR-2 mediated endothelial progenitor cell activation. Oncol Lett 2018; 16:1513-1520. [PMID: 30008831 PMCID: PMC6036543 DOI: 10.3892/ol.2018.8856] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2017] [Accepted: 04/19/2018] [Indexed: 01/08/2023] Open
Abstract
Mast cells have been demonstrated to accumulate around and within solid tumors of numerous types, and express a number of pro-angiogenic compounds, including tryptase. They may serve an early role in angiogenesis within developing tumors. In the present study, the role and mechanism of tryptase in the activation of endothelial progenitor cells (EPCs) in breast cancer angiogenesis were evaluated. Human umbilical cord blood EPCs were isolated and cultured. MB-MDA-231 breast cancer cells were then pretreated with tryptase, and the conditioned medium was collected. The effects of tryptase on the migratory and angiogenesis abilities of EPCs were determined using wound-healing and tube formation assays, respectively. The effect of tryptase on the proliferation of EPCs was detected using a Cell Counting Kit-8 assay. Alterations in proteinase activated receptor (PAR)-2, phosphorylated (p)-protein kinase B (AKT), p-extracellular signal-regulated kinase (p-ERK) and vascular endothelial growth factor receptor (VEGFR)-2 expression were analyzed, in tryptase or conditioned medium-treated EPCs, by western blot analysis and reverse transcription-quantitative polymerase chain reaction. It was confirmed that the EPCs expressed PAR-2; and that tryptase treatment promoted the migration and tube formation of EPCs. Treatment with a PAR-2 agonist had a similar effect to tryptase, whereas treatment with a tryptase inhibitor, APC366, or a PAR-2 inhibitor, SAM 11, inhibited the effect of tryptase treatment. Tryptase and PAR-2 agonists did not affect the rate of EPC proliferation. MB-MDA-231 cells also expressed PAR-2. Treatment with tryptase or conditioned medium increased the expression of PAR-2, p-AKT, p-ERK and VEGFR-2 in EPCs. In conclusion, tryptase activated EPCs via PAR-2-mediated AKT and ERK signaling pathway activation, thereby enhancing angiogenesis in breast cancer.
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Affiliation(s)
- Neng Qian
- School of Basic Medicine, Shanghai University of Medicine and Health Science, Shanghai 201318, P.R. China
| | - Xiaobo Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, P.R. China
| | - Xinhong Wang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, P.R. China
| | - Chungen Wu
- Laboratory of Medical Molecular Biology, Training Center of Medical Experiments, School of Basic Medical Sciences, Fudan University, Shanghai 200032, P.R. China
| | - Lianhua Yin
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Fudan University, Shanghai 200032, P.R. China
| | - Xiuling Zhi
- Laboratory of Medical Molecular Biology, Training Center of Medical Experiments, School of Basic Medical Sciences, Fudan University, Shanghai 200032, P.R. China
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11
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Expanded CD133 + Cells from Human Umbilical Cord Blood Improved Heart Function in Rats after Severe Myocardial Infarction. Stem Cells Int 2018; 2018:5412478. [PMID: 29760727 PMCID: PMC5925035 DOI: 10.1155/2018/5412478] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2017] [Revised: 11/08/2017] [Accepted: 12/12/2017] [Indexed: 12/11/2022] Open
Abstract
Pharmacological approaches are partially effective in limiting infarct size. Cell therapies using a cell population enriched with endothelial progenitor cells (EPCs) CD133+ have opened new perspectives for the treatment of ischemic areas after infarction. This preclinical study evaluated the effect of intramyocardial transplantation of purified or expanded human umbilical cord blood-derived CD133+ cells on the recovery of rats following acute myocardial infarction (AMI). Histology studies, electrocardiogram, and fluorescence in situ hybridization (FISH) were used to evaluate heart recovery. Purified CD133+ cells, enriched in endothelial progenitor cells, when expanded in vitro acquired an endothelial-like cell phenotype expressing CD31 and von Willebrand factor (vWF). The group of infarcted rats that received expanded CD133+ cells had a more significant recovery of contraction performance and less heart remodeling than the group that received purified CD133+ cells. Either purified or expanded CD133+ cells were able to induce neovascularization in the infarcted myocardium in an equivalent manner. Few human cells were detected in the infarcted myocardium of the rats 28 days after transplantation suggesting that the effects observed might be related primarily to paracrine activity. Although both cell populations ameliorated the infarcted heart and are suitable for regeneration of the vascular system, expanded CD133+ cells are more beneficial and promising candidates for vascular regeneration.
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12
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Long term culture and differentiation of endothelial progenitor like cells from rat adipose derived stem cells. Cytotechnology 2017; 70:397-413. [PMID: 29264678 DOI: 10.1007/s10616-017-0155-7] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Accepted: 10/20/2017] [Indexed: 01/08/2023] Open
Abstract
The procedure of obtaining qualified endothelial progenitor cells (EPCs) is still unclear and there has been some controversy on their biological properties and time of emergence. In this study, we used long-term culture of Adipose Derived Stem Cells (ADSCs) in an endothelial induction medium to obtain endothelial progenitor-like cells, and investigated the features of a few surface markers and the physiologic functions of the cells produced. In order to achieve our aim, rat ADSCs were isolated and cultured in an endothelial basal medium (EBM2), supplemented with an endothelial growth medium (EGM2). The cells were cultured 1 week for short-time, 2 weeks for mid-time, and 3 weeks for long-time cultures. Morphological changes were monitored by phase contrast and electron microscopy. The expressions of a few endothelial progenitor cells markers were analyzed by real-time RT-PCR. Low-density lipoprotein uptake and lectin binding assay were also performed for functional characterization. After induction, ADSCs showed changes in morphology from spindle-shaped in the first week to cobblestone-shaped during the next 2 weeks. Then, endothelial cell phenotype was defined by the presence of Weibel-Palade bodies in the cytoplasm and tube formation, without the use of Matrigel in the third week. In keeping with gene expression analysis, VEGFR-2 showed significant expression during early stages of endothelial differentiation for up to 3 weeks. A significantly increased expression of Tie2 was observed on day 21. Likewise, VE-Cadherin, CD34, CD133, WVF and CD31 were not significantly expressed within the same period of time. Endothelial differentiated cells also showed little LDL uptake and little to no lectin binding during the first 2 weeks of induction. However, high LDL uptake and lectin binding were observed in the third week. It appears that long term culture of ADSCs in EGM2 leads to significantly increased expression of some endothelial progenitor cells markers, strong DiI-ac-LDL uptake, lectin binding and tube-like structure formation in endothelial differentiated cells. Therefore, selection of an appropriate culture time and culture medium is crucial for establishing an efficient route to obtain sufficient numbers of EPCs with optimized quantity and quality.
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13
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Integrative analysis of DNA methylation and mRNA expression during differentiation of umbilical cord blood derived mononuclear cells to endothelial cells. Gene 2017; 635:48-60. [PMID: 28887159 DOI: 10.1016/j.gene.2017.09.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 08/29/2017] [Accepted: 09/04/2017] [Indexed: 01/03/2023]
Abstract
Differentiation of umbilical cord blood derived mononuclear cells to endothelial cells is accompanied by massive changes in gene expression. Although methylation and demethylation of DNA likely play crucial roles in regulating gene expression, their interplay during differentiation remains elusive. To address this question, we performed deep sequencing of DNA methylation and mRNA expression to profile global changes in promoter methylation and gene expression during differentiation from mononuclear cells to outgrowing cells. We identified 61 downregulated genes with hypermethylation, including CD74, VAV1, TLR8, and NCF4, as well as 21 upregulated genes with hypomethylation, including ECSCR, MCAM, PGF, and ARHGEF15. Interestingly, gene ontology analysis showed that downregulated genes with hypermethylation were enriched in immune-related functions, and upregulated genes with hypomethylation were enriched in the developmental process and angiogenesis, indicating the important roles of DNA methylation in regulating differentiation. We performed polymerase chain reaction analyses and bisulfite sequencing of representative genes (CD74, VAV1, ECSCR, and MCAM) to verify the negative correlation between DNA methylation and gene expression. Further, inhibition of DNA methyltransferase and demethylase activities using 5'-aza-dc and shRNAs, specific for TET1 and TET2 mRNAs, respectively, revealed that DNA methylation was the main regulator of the reversible expression of functionally important genes. Collectively, our findings implicate DNA methylation as a critical regulator of gene expression during umbilical cord blood derived mononuclear cells to endothelial cell differentiation.
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Ambasta RK, Kohli H, Kumar P. Multiple therapeutic effect of endothelial progenitor cell regulated by drugs in diabetes and diabetes related disorder. J Transl Med 2017; 15:185. [PMID: 28859673 PMCID: PMC5580204 DOI: 10.1186/s12967-017-1280-y] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2017] [Accepted: 08/12/2017] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Reduced levels of endothelial progenitor cells (EPCs) counts have been reported in diabetic mellitus (DM) patients and other diabetes-related disorder. EPCs are a circulating, bone marrow-derived cell population that appears to participate in vasculogenesis, angiogenesis and damage repair. These EPC may revert the damage caused in diabetic condition. We aim to identify several existing drugs and signaling molecule, which could alleviate or improve the diabetes condition via mobilizing and increasing EPC number as well as function. MAIN BODY Accumulated evidence suggests that dysregulation of EPC phenotype and function may be attributed to several signaling molecules and cytokines in DM patients. Hyperglycemia alone, through the overproduction of reactive oxygen species (ROS) via eNOS and NOX, can induce changes in gene expression and cellular behavior in diabetes. Furthermore, reports suggest that EPC telomere shortening via increased oxidative DNA damage may play an important role in the pathogenesis of coronary artery disease in diabetic patients. In this review, different type of EPC derived from different sources has been discussed along with cell-surface marker. The reduced number and immobilized EPC in diabetic condition have been mobilized for the therapeutic purpose via use of existing, and novel drugs have been discussed. Hence, evidence list of all types of drugs that have been reported to target the same pathway which affect EPC number and function in diabetes has been reviewed. Additionally, we highlight that proteins are critical in diabetes via polymorphism and inhibitor studies. Ultimately, a lucid pictorial explanation of diabetic and normal patient signaling pathways of the collected data have been presented in order to understand the complex signaling mystery underlying in the diseased and normal condition. CONCLUSION Finally, we conclude on eNOS-metformin-HSp90 signaling and its remedial effect for controlling the EPC to improve the diabetic condition for delaying diabetes-related complication. Altogether, the review gives a holistic overview about the elaborate therapeutic effect of EPC regulated by novel and existing drugs in diabetes and diabetes-related disorder.
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Affiliation(s)
- Rashmi K. Ambasta
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, DTU, Delhi, India
| | - Harleen Kohli
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, DTU, Delhi, India
| | - Pravir Kumar
- Molecular Neuroscience and Functional Genomics Laboratory, Department of Biotechnology, DTU, Delhi, India
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15
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Endothelial progenitor cells in multiple myeloma neovascularization: a brick to the wall. Angiogenesis 2017; 20:443-462. [PMID: 28840415 DOI: 10.1007/s10456-017-9571-8] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2016] [Accepted: 07/31/2017] [Indexed: 12/12/2022]
Abstract
Multiple myeloma (MM) is characterized by the clonal expansion of plasma cells in the bone marrow that leads to events such as bone destruction, anaemia and renal failure. Despite the several therapeutic options available, there is still no effective cure, and the standard survival is up to 4 years. The evolution from the asymptomatic stage of monoclonal gammopathy of undetermined significance to MM and the progression of the disease itself are related to cellular and molecular alterations in the bone marrow microenvironment, including the development of the vasculature. Post-natal vasculogenesis is characterized by the recruitment to the tumour vasculature of bone marrow progenitors, known as endothelial progenitor cells (EPCs), which incorporate newly forming blood vessels and differentiate into endothelial cells. Several processes related to EPCs, such as recruitment, mobilization, adhesion and differentiation, are tightly controlled by cells and molecules in the bone marrow microenvironment. In this review, the bone marrow microenvironment and the mechanisms associated to the development of the neovasculature promoted by EPCs are discussed in detail in both a non-pathological scenario and in MM. The latest developments in therapy targeting the vasculature and EPCs in MM are also highlighted. The identification and characterization of the pathways relevant to the complex setting of MM are of utter importance to identify not only biomarkers for an early diagnosis and disease progression monitoring, but also to reveal intervention targets for more effective therapy directed to cancer cells and the endothelial mediators relevant to neovasculature development.
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16
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Garbuzova-Davis S, Ehrhart J, Sanberg PR. Cord blood as a potential therapeutic for amyotrophic lateral sclerosis. Expert Opin Biol Ther 2017; 17:837-851. [DOI: 10.1080/14712598.2017.1323862] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Svitlana Garbuzova-Davis
- Center of Excellence for Aging & Brain Repair, University of South Florida, Morsani College of Medicine, Tampa, FL, USA
- Department of Neurosurgery and Brain Repair, University of South Florida, Morsani College of Medicine, Tampa, FL, USA
- Department of Molecular Pharmacology and Physiology, University of South Florida, Morsani College of Medicine, Tampa, FL, USA
- Department of Pathology and Cell Biology, University of South Florida, Morsani College of Medicine, Tampa, FL, USA
| | - Jared Ehrhart
- Center of Excellence for Aging & Brain Repair, University of South Florida, Morsani College of Medicine, Tampa, FL, USA
| | - Paul R. Sanberg
- Center of Excellence for Aging & Brain Repair, University of South Florida, Morsani College of Medicine, Tampa, FL, USA
- Department of Neurosurgery and Brain Repair, University of South Florida, Morsani College of Medicine, Tampa, FL, USA
- Department of Pathology and Cell Biology, University of South Florida, Morsani College of Medicine, Tampa, FL, USA
- Department of Psychiatry, University of South Florida, Morsani College of Medicine, Tampa, FL, USA
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17
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Van Pham P, Vu NB, Dao TTT, Le HTN, Phi LT, Phan NK. Production of endothelial progenitor cells from skin fibroblasts by direct reprogramming for clinical usages. In Vitro Cell Dev Biol Anim 2016; 53:207-216. [PMID: 27778229 DOI: 10.1007/s11626-016-0106-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Accepted: 10/10/2016] [Indexed: 11/30/2022]
Abstract
Endothelial progenitor cells (EPCs) play an important role in angiogenesis. However, they exist in limited numbers in the human body. This study was aimed to produce EPCs, for autologous transplantation, using direct reprogramming of skin fibroblasts under GMP-compliant conditions. Fibroblasts were collected and cultured from the skin in DMEM/F12 medium supplemented with 5% activated platelet-rich plasma and 1% antibiotic-antimycotic solution. They were then transfected with mRNA ETV2 and incubated in culture medium under hypoxia (5% oxygen) for 14 d. Phenotype analysis of transfected cells confirmed that single-factor ETV2 transfection successfully reprogrammed dermal fibroblasts into functional EPCs. Our results showed that ETV2 mRNA combined with hypoxia can give rise to functional EPCs. The cells exhibited functional phenotypes similar to endothelial cells derived from umbilical cord vein; they expressed CD31 and VEGFR2, and formed capillary-like structures in vitro. Moreover, these EPCs could significantly improve hindlimb ischemia in mouse models. Although the direct conversion efficacy was low (3.12 ± 0.98%), altogether our study demonstrates that functional EPCs can be produced from fibroblasts and can be used in clinical applications.
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Affiliation(s)
- Phuc Van Pham
- Laboratory of Stem Cell Research and Application, University of Science, Vietnam National University, Ho Chi Minh City, Vietnam.
| | - Ngoc Bich Vu
- Laboratory of Stem Cell Research and Application, University of Science, Vietnam National University, Ho Chi Minh City, Vietnam
| | - Thuy Thi-Thanh Dao
- Laboratory of Stem Cell Research and Application, University of Science, Vietnam National University, Ho Chi Minh City, Vietnam
| | - Ha Thi-Ngan Le
- Laboratory of Stem Cell Research and Application, University of Science, Vietnam National University, Ho Chi Minh City, Vietnam
| | - Lan Thi Phi
- Laboratory of Stem Cell Research and Application, University of Science, Vietnam National University, Ho Chi Minh City, Vietnam
| | - Ngoc Kim Phan
- Laboratory of Stem Cell Research and Application, University of Science, Vietnam National University, Ho Chi Minh City, Vietnam
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18
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Collet G, Szade K, Nowak W, Klimkiewicz K, El Hafny-Rahbi B, Szczepanek K, Sugiyama D, Weglarczyk K, Foucault-Collet A, Guichard A, Mazan A, Nadim M, Fasani F, Lamerant-Fayel N, Grillon C, Petoud S, Beloeil JC, Jozkowicz A, Dulak J, Kieda C. Endothelial precursor cell-based therapy to target the pathologic angiogenesis and compensate tumor hypoxia. Cancer Lett 2015; 370:345-57. [PMID: 26577811 DOI: 10.1016/j.canlet.2015.11.008] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 11/04/2015] [Accepted: 11/04/2015] [Indexed: 01/08/2023]
Abstract
Hypoxia-inducing pathologies as cancer develop pathologic and inefficient angiogenesis which rules tumor facilitating microenvironment, a key target for therapy. As such, the putative ability of endothelial precursor cells (EPCs) to specifically home to hypoxic sites of neovascularization prompted to design optimized, site-specific, cell-mediated, drug-/gene-targeting approach. Thus, EPC lines were established from aorta-gonad-mesonephros (AGM) of murine 10.5 dpc and 11.5 dpc embryo when endothelial repertoire is completed. Lines representing early endothelial differentiation steps were selected: MAgEC10.5 and MagEC11.5. Distinct in maturation, they differently express VEGF receptors, VE-cadherin and chemokine/receptors. MAgEC11.5, more differentiated than MAgEC 10.5, displayed faster angiogenesis in vitro, different response to hypoxia and chemokines. Both MAgEC lines cooperated to tube-like formation with mature endothelial cells and invaded tumor spheroids through a vasculogenesis-like process. In vivo, both MAgEC-formed vessels established blood flow. Intravenously injected, both MAgECs invaded Matrigel(TM)-plugs and targeted tumors. Here we show that EPCs (MAgEC11.5) target tumor angiogenesis and allow local overexpression of hypoxia-driven soluble VEGF-receptor2 enabling drastic tumor growth reduction. We propose that such EPCs, able to target tumor angiogenesis, could act as therapeutic gene vehicles to inhibit tumor growth by vessel normalization resulting from tumor hypoxia alleviation.
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Affiliation(s)
- Guillaume Collet
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France; Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, ul. Gronostajowa 7, Kraków 30387, Poland
| | - Krzysztof Szade
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France; Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, ul. Gronostajowa 7, Kraków 30387, Poland
| | - Witold Nowak
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France; Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, ul. Gronostajowa 7, Kraków 30387, Poland
| | - Krzysztof Klimkiewicz
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France; Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, ul. Gronostajowa 7, Kraków 30387, Poland
| | - Bouchra El Hafny-Rahbi
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France
| | - Karol Szczepanek
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France; Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, ul. Gronostajowa 7, Kraków 30387, Poland
| | - Daisuke Sugiyama
- Division of Hematopoietic Stem Cells, Kyushu University Faculty of Medical Sciences, Maidashi, Higashi-Ku, Fukuoka 812-8582, Japan
| | - Kazimierz Weglarczyk
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France
| | - Alexandra Foucault-Collet
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France
| | - Alan Guichard
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France
| | - Andrzej Mazan
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France; Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, ul. Gronostajowa 7, Kraków 30387, Poland
| | - Mahdi Nadim
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France
| | - Fabienne Fasani
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France
| | - Nathalie Lamerant-Fayel
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France
| | - Catherine Grillon
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France
| | - Stéphane Petoud
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France
| | - Jean-Claude Beloeil
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France
| | - Alicja Jozkowicz
- Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, ul. Gronostajowa 7, Kraków 30387, Poland; Malopolska Biotechnology Centre, Jagiellonian University, Gronostajowa 7A, Kraków 30387, Poland
| | - Jozef Dulak
- Faculty of Biochemistry, Biophysics and Biotechnology, Jagiellonian University, ul. Gronostajowa 7, Kraków 30387, Poland; Malopolska Biotechnology Centre, Jagiellonian University, Gronostajowa 7A, Kraków 30387, Poland.
| | - Claudine Kieda
- Centre for Molecular Biophysics, Cell Recognition and Glycobiology, UPR4301-CNRS, rue Charles Sadron, Orléans 45071, France; Malopolska Biotechnology Centre, Jagiellonian University, Gronostajowa 7A, Kraków 30387, Poland.
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19
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Dual-reporter Imaging and its Potential Application in Tracking Studies. J Fluoresc 2015; 26:75-80. [DOI: 10.1007/s10895-015-1673-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2015] [Accepted: 09/18/2015] [Indexed: 12/15/2022]
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20
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Carneiro GD, Godoy JAP, Werneck CC, Vicente CP. Differentiation of C57/BL6 mice bone marrow mononuclear cells into early endothelial progenitors cells in different culture conditions. Cell Biol Int 2015; 39:1138-50. [DOI: 10.1002/cbin.10487] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2014] [Accepted: 04/29/2015] [Indexed: 01/10/2023]
Affiliation(s)
- Giane D. Carneiro
- Department of Structural and Functional Biology; State University of Campinas (UNICAMP); São Paulo Brazil
| | - Juliana A. P. Godoy
- Department of Structural and Functional Biology; State University of Campinas (UNICAMP); São Paulo Brazil
| | - Claudio C. Werneck
- Department of Biochemistry and Tissue Biology; Institute of Biology; State University of Campinas (UNICAMP); São Paulo Brazil
| | - Cristina P. Vicente
- Department of Structural and Functional Biology; State University of Campinas (UNICAMP); São Paulo Brazil
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21
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Endothelial Differentiation of Human Adipose-Derived Stem Cells on Polyglycolic Acid/Polylactic Acid Mesh. Stem Cells Int 2015; 2015:350718. [PMID: 26106426 PMCID: PMC4464689 DOI: 10.1155/2015/350718] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/07/2015] [Accepted: 02/16/2015] [Indexed: 12/26/2022] Open
Abstract
Adipose-derived stem cell (ADSC) is considered as a cell source potentially useful for angiogenesis in tissue engineering and regenerative medicine. This study investigated the growth and endothelial differentiation of human ADSCs on polyglycolic acid/polylactic acid (PGA/PLA) mesh compared to 2D plastic. Cell adhesion, viability, and distribution of hADSCs on PGA/PLA mesh were observed by CM-Dil labeling, live/dead staining, and SEM examination while endothelial differentiation was evaluated by flow cytometry, Ac-LDL/UEA-1 uptake assay, immunofluorescence stainings, and gene expression analysis of endothelial related markers. Results showed hADSCs gained a mature endothelial phenotype with a positive ratio of 21.4 ± 3.7% for CD31+/CD34- when induced in 3D mesh after 21 days, which was further verified by the expressions of a comprehensive range of endothelial related markers, whereas hADSCs in 2D induced and 2D/3D noninduced groups all failed to differentiate into endothelial cells. Moreover, compared to 2D groups, the expression for α-SMA was markedly suppressed in 3D cultured hADSCs. This study first demonstrated the endothelial differentiation of hADSCs on the PGA/PLA mesh and pointed out the synergistic effect of PGA/PLA 3D culture and growth factors on the acquisition of mature characteristic endothelial phenotype. We believed this study would be the initial step towards the generation of prevascularized tissue engineered constructs.
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22
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Shao C, Chen J, Chen P, Zhu M, Yao Q, Gu P, Fu Y, Fan X. Targeted transplantation of human umbilical cord blood endothelial progenitor cells with immunomagnetic nanoparticles to repair corneal endothelium defect. Stem Cells Dev 2014; 24:756-67. [PMID: 25315152 DOI: 10.1089/scd.2014.0255] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Corneal endothelial dysfunction involves progressive corneal edema and loss of visual acuity, which result in the need for corneal transplantation. The global shortage of donor corneas limits the development of the surgery. Reconstruction of a bioengineered corneal endothelium might resolve this problem. Various scaffolds have been used, but poor biocompatibility and degradation limit their applications. In this study, a novel method of targeted cellular transplantation without permanent residence of cell carriers in the host was proposed. Human umbilical cord blood endothelial progenitor cells (UCB EPCs) were labeled with CD34 immunomagnetic nanoparticles. The efficiency of the magnet attraction was evaluated in vitro with a simple device simulating the anterior chamber. The UCB EPCs labeled with nanoparticles were transplanted into the anterior chamber of rabbits with magnet attraction. The results indicated that labeling the nanoparticles did not affect the proliferation of the UCB EPCs. The in vitro study indicated that the magnet could directionally attract UCB EPCs labeled with nanoparticles. The in vivo study indicated that the corneas in rabbits transplanted with UCB EPCs labeled with nanoparticles and magnet attraction became relatively transparent with little edema. These results showed that UCB EPCs labeled with CD34 immunomagnetic nanoparticles could be attracted directionally by a magnet and could repair corneal endothelial defects, providing a promising cell therapy for corneal endothelial dysfunction.
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Affiliation(s)
- Chunyi Shao
- Department of Ophthalmology, Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine , Shanghai, China
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23
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Rose JA, Erzurum S, Asosingh K. Biology and flow cytometry of proangiogenic hematopoietic progenitors cells. Cytometry A 2014; 87:5-19. [PMID: 25418030 DOI: 10.1002/cyto.a.22596] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 10/21/2014] [Accepted: 11/06/2014] [Indexed: 12/25/2022]
Abstract
During development, hematopoiesis and neovascularization are closely linked to each other via a common bipotent stem cell called the hemangioblast that gives rise to both hematopoietic cells and endothelial cells. In postnatal life, this functional connection between the vasculature and hematopoiesis is maintained by a subset of hematopoietic progenitor cells endowed with the capacity to differentiate into potent proangiogenic cells. These proangiogenic hematopoietic progenitors comprise a specific subset of bone marrow (BM)-derived cells that homes to sites of neovascularization and possess potent paracrine angiogenic activity. There is emerging evidence that this subpopulation of hematopoietic progenitors plays a critical role in vascular health and disease. Their angiogenic activity is distinct from putative "endothelial progenitor cells" that become structural cells of the endothelium by differentiation into endothelial cells. Proangiogenic hematopoietic progenitor cell research requires multidisciplinary expertise in flow cytometry, hematology, and vascular biology. This review provides a comprehensive overview of proangiogenic hematopoietic progenitor cell biology and flow cytometric methods to detect these cells in the peripheral blood circulation and BM.
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Affiliation(s)
- Jonathan A Rose
- Department of Pathobiology, Lerner Research Institute, Cleveland Clinic, Cleveland, Ohio; Cleveland Clinic Lerner College of Medicine of Case Western Reserve University, Cleveland, Ohio
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Su LC, Xu H, Tran RT, Tsai YT, Tang L, Banerjee S, Yang J, Nguyen KT. In situ re-endothelialization via multifunctional nanoscaffolds. ACS NANO 2014; 8:10826-36. [PMID: 25222570 PMCID: PMC4212783 DOI: 10.1021/nn504636n] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Accepted: 09/11/2014] [Indexed: 05/25/2023]
Abstract
The endothelium monolayer lining in the luminal side of blood vessels provides critical antithrombotic functions. Damage to these cells will expose a highly thrombogenic subendothelium, which leads to pathological vascular changes. Using combined tissue engineering and ligand-receptor targeting strategy, we developed a biodegradable urethane-doped polyester (UPE) multifunctional targeting nanoparticle (MTN) scaffold system with dual ligands: (1) glycoprotein 1b (GP1b) to target the injured arterial endothelium and subendothelium and (2) anti-CD34 antibodies to capture endothelial progenitor cells for endothelium regeneration. The fabricated spherical MTNs of 400 nm were found to be cytocompatible and hemocompatible. Both the in vitro and ex vivo targeting of these nanoscaffolds not only showed binding specificity of MTNs onto the von Willebrand factor -coated surfaces that simulate the injured arterial walls but also competed with platelets for binding onto these injured sites. Further in vivo study has revealed that a single delivery of MTNs upon vascular injury reduced neointimal hyperplasia by 57% while increased endothelium regeneration by ∼ 60% in 21 days. These results support the promise of using MTN nanoscaffolds for treating vascular injury in situ.
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Affiliation(s)
- Lee-Chun Su
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76010, United States
| | - Hao Xu
- Department of Internal Medicine, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas 75390, United States
| | - Richard T. Tran
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of The Life Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Yi-Ting Tsai
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76010, United States
| | - Liping Tang
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76010, United States
| | - Subhash Banerjee
- Department of Internal Medicine, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas 75390, United States
| | - Jian Yang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of The Life Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Kytai T. Nguyen
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76010, United States
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Endothelial progenitor cells as a possible component of stem cell niche to promote self-renewal of mesenchymal stem cells. Mol Cell Biochem 2014; 397:235-43. [PMID: 25239147 DOI: 10.1007/s11010-014-2191-3] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2014] [Accepted: 08/13/2014] [Indexed: 01/19/2023]
Abstract
Stem cells dwell at the "stem cell niche" to accomplish a series of biological processes. The composition of the niche should be determined because the insufficient understanding of this feature limits the development in the study of stem cells. We showed in our study on mesenchymal stem cells (MSCs) that the MSCs first neighbored to CD31(+) cells, which proved to be endothelial progenitor cells (EPCs), and formed a group of cell colony before they exerted their biological functions. It was further proved that EPCs have close interactions with MSCs and promoted the self-renewal of the MSCs in vitro and in vivo. Together with these achievements, we hypothesized that EPCs may be a possible biological component of the MSC stem cell niche and affect the biological processes of MSCs.
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26
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Wang L, Chen L, Wang Q, Wang L, Wang H, Shen Y, Li X, Fu Y, Shen Y, Yu Y. Circulating endothelial progenitor cells are involved in VEGFR-2-related endothelial differentiation in glioma. Oncol Rep 2014; 32:2007-14. [PMID: 25189411 DOI: 10.3892/or.2014.3467] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2014] [Accepted: 08/19/2014] [Indexed: 11/05/2022] Open
Abstract
Endothelial progenitor cells (EPCs) play important roles in maintaining endothelial integrity and tumor vascularization. However, the differentiation of EPCs in the neoangiogenesis of gliomas has not yet been fully elucidated. The purpose in this study was to investigate the profile of EPC differentiation in rat C6 glioma using magnetic resonance imaging (MRI), a non-invasive monitoring assay. To achieve this goal, we isolated EPCs from rat bone marrow and identified them by detecting CD34, CD133, and VEGFR-2, the markers of EPCs. Coexpression of Ac-LDL and UEA-1 in EPCs was also determined. To dynamically monitor the migration of circulating cells, the EPCs were labeled with ultrasmall superparamagnetic iron oxide (USPIO) and injected by tail vein into rats bearing C6 glioma. MRI was performed at 24, 48, and 96 h after injection. The distribution and differentiation of EPCs were confirmed by histology. We found that the USPIO-labeled EPCs appeared at the tumor periphery where a large number of CD105-positive cells appeared at 24 h after injection by using MRI scanning. Ninety-six hours after injection, immunohistochemistry and Prussian blue staining were used to observe the labeled EPCs in the tumor tissue. We found that many of the labeled EPCs were overlapped with VEGFR-2-positive endothelial cells, but not CD105- or CD34-positive cells. These results suggest that EPCs can cross the blood-brain barrier from peripheral blood and home to tumors, where they differentiate into endothelial cells, including VEGFR-2-positive endothelial cells. MRI is a useful method for dynamically tracking the migration of USPIO-labeled EPCs.
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Affiliation(s)
- Le Wang
- Department of Radiology, The First Affiliated Hospital, Anhui Medical University, Hefei, Anhui 230022, P.R. China
| | - Lu Chen
- Biopharmaceutical Research Institute, School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui 230032, P.R. China
| | - Qianfeng Wang
- Biopharmaceutical Research Institute, School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui 230032, P.R. China
| | - Lijuan Wang
- Department of Radiology, The First Affiliated Hospital, Anhui Medical University, Hefei, Anhui 230022, P.R. China
| | - Haibao Wang
- Department of Radiology, The First Affiliated Hospital, Anhui Medical University, Hefei, Anhui 230022, P.R. China
| | - Yujun Shen
- Biopharmaceutical Research Institute, School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui 230032, P.R. China
| | - Xiaohu Li
- Department of Radiology, The First Affiliated Hospital, Anhui Medical University, Hefei, Anhui 230022, P.R. China
| | - Yu Fu
- Biopharmaceutical Research Institute, School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui 230032, P.R. China
| | - Yuxian Shen
- Biopharmaceutical Research Institute, School of Basic Medical Sciences, Anhui Medical University, Hefei, Anhui 230032, P.R. China
| | - Yongqiang Yu
- Department of Radiology, The First Affiliated Hospital, Anhui Medical University, Hefei, Anhui 230022, P.R. China
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Peplow PV. Influence of growth factors and cytokines on angiogenic function of endothelial progenitor cells: a review of in vitro human studies. Growth Factors 2014; 32:83-116. [PMID: 24712317 DOI: 10.3109/08977194.2014.904300] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Growth factors and cytokines released at sites of injury and inflammation play an important role in stimulating endothelial progenitor cell (EPC) migration to these sites. A comparative analysis of the literature shows under neutral in vitro conditions (pH 7.4), several growth factors and cytokines influenced favorably indices of EPC angiogenic function. They included SDF-1, VEGF, PlGF, FGF-2, NGF and IL-1β. Others, e.g. TNF-α, have an unfavorable influence. SDF-1 and VEGF in combination increased chemotactic cell migration and reduced apoptosis caused by serum starvation. Under acidic conditions (pH 6.5), the biological activity of certain growth factors may be impaired, although TPO, SCF and IL-3 were each able to rescue EPCs from acidic exposure apoptosis, a combination of these three factors stimulated cell proliferation and prevented apoptosis. Possible combinations of growth factors and cytokines together with EPC transplantation may provide for a greater extent of vessel repair and new vessel formation.
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Affiliation(s)
- Philip V Peplow
- Department of Anatomy, University of Otago , Dunedin , New Zealand
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Li J, Li D, Gong F, Jiang S, Yu H, An Y. Anti-CD133 antibody immobilized on the surface of stents enhances endothelialization. BIOMED RESEARCH INTERNATIONAL 2014; 2014:902782. [PMID: 24734251 PMCID: PMC3966336 DOI: 10.1155/2014/902782] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/15/2013] [Revised: 01/09/2014] [Accepted: 01/12/2014] [Indexed: 12/15/2022]
Abstract
Drug eluting stents successfully reduce restenosis at the cost of delayed reendothelialization. In recent years, a novel concept to enhance reendothelialization using anti-CD34 antibody coated stents which capture circulating progenitor cells (EPCs) has been developed with conflicting clinical results. CD133 is a glycoprotein expressed on circulating hematopoietic and putative endothelial-regenerating cells and may be superior to CD34 for EPCs capture stents. In the present study, anti-CD133 antibody has been successfully immobilized to the biodegradable polymeric coating material by covalent conjugation. We explore whether anti-CD133 antibody coated stents (CD133 stents) might accelerate reendothelialization in comparison with bare metal stents (BMS) through the superior ability to capture EPCs. The in vitro cell culture results indicate that anti-CD133 antibody functionalized polymer film significantly promotes CD133 positive cells attachment and growth compared with the unfunctionalized polymer film. In the semi-in vivo arteriovenous shunt model CD133 stents demonstrate much quicker specific capturing of EPCs from the blood stream than BMS within 6 hours. In a porcine coronary artery injury model CD133 stents show more effective reendothelialization in short term compared with BMS, while no significant difference in endothelial function recovery was observed between these two groups within 6-month followup.
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Affiliation(s)
- Jian Li
- Department of Cardiology, The Affiliated Hospital of Medical College, Qingdao University, Qingdao Shandong 266003, China
| | - Dan Li
- Department of Cardiology, The Affiliated Hospital of Medical College, Qingdao University, Qingdao Shandong 266003, China
| | - Feirong Gong
- Key Laboratory for Ultrafine Materials of Ministry of Education, School of Materials Science and Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Shaoyan Jiang
- Department of Cardiology, The Affiliated Hospital of Medical College, Qingdao University, Qingdao Shandong 266003, China
| | - Hua Yu
- Department of Cardiology, The Affiliated Hospital of Medical College, Qingdao University, Qingdao Shandong 266003, China
| | - Yi An
- Department of Cardiology, The Affiliated Hospital of Medical College, Qingdao University, Qingdao Shandong 266003, China
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Sun W, Zheng L, Han P, Kang YJ. Isolation and characterization of endothelial progenitor cells from Rhesus monkeys. Regen Med Res 2014; 2:5. [PMID: 25984333 PMCID: PMC4389970 DOI: 10.1186/2050-490x-2-5] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2013] [Accepted: 11/12/2013] [Indexed: 02/05/2023] Open
Abstract
Background Endothelial progenitor cells (EPCs) are increasingly becoming a major focus of regenerative medicine research and practice. The present study was undertaken to establish an appropriate procedure for isolation and characterization of EPCs from Rhesus monkeys for regenerative medicine research. Result Selective CD34+ and nonselective mononuclear EPCs were isolated from bone marrow and cultured under varying conditions. The results showed that nonselective mononuclear EPCs were a better choice for high yield of the target cells. The cells grew in M 200 better than in EGM-2, and supplementation with fetal bovine serum promoted cell proliferation; but serum level at 7.5% was better than at 10%. In addition, surface coating of the culture dishes with human fibronectin significantly improved the proliferation and ontogeny of the isolated EPCs. Immunocytochemistry including detection of markers CD34, CD133 and CD31 and double-staining for Ac-LDL and lectin verified the purity of the cultured mononuclear EPCs. Conclusion By a thorough analysis, we established a practical procedure for isolation and propagation of EPCs from Rhesus monkeys. This procedure would help using these valuable cells for regenerative medicine research.
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Affiliation(s)
- Wen Sun
- Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041 China
| | - Lily Zheng
- Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041 China
| | - Pengfei Han
- Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041 China
| | - Y James Kang
- Regenerative Medicine Research Center, West China Hospital, Sichuan University, Chengdu, Sichuan, 610041 China
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Bone mesenchymal stem cells contributed to the neointimal formation after arterial injury. PLoS One 2013; 8:e82743. [PMID: 24349351 PMCID: PMC3857273 DOI: 10.1371/journal.pone.0082743] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2013] [Accepted: 10/28/2013] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVES Recent findings suggest that in response to repair-to-injury bone marrow mesenchymal stem cells (BMSCs) participate in the process of angiogenesis. It is unclear what role BMSCs play in the structure of the vessel wall. In present study, we aimed to determine whether BMSCs had the capacity of endothelial cells (ECs). METHODS BMSCs were separated and cultured. FACS and RT-PCR analysis confirmed the gene expression phenotype. The capacity of migration and adhesion and the ultrastructure of BMSCs were examined. The effect of BMSCs transplantation on the vascular repair was investigated in a murine carotid artery-injured model. RESULTS BMSCs could express some markers and form the tube-like structure. The migration and adhesion capacity of BMSCs increased significantly after stimulated. In addition, BMSCs had the intact cell junction. In vivo the local transfer of BMSCs differentiated into neo-endothelial cells in the injury model for carotid artery and contributed to the vascular remodeling. CONCLUSION These results showed that BMSCs could contribute to neointimal formation for vascular lesion and might be associated with the differentiation into ECs, which indicated the important therapeutic implications for vascular diseases.
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Silica-coated superparamagnetic iron oxide nanoparticles targeting of EPCs in ischemic brain injury. Biomaterials 2013; 34:4982-92. [PMID: 23566799 DOI: 10.1016/j.biomaterials.2013.03.030] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2013] [Accepted: 03/11/2013] [Indexed: 12/16/2022]
Abstract
Intravenous transplantation of endothelial progenitor cells (EPCs) reduced ischemic brain injury. However, less cell homing to damaged sites limited its functions. In present study, we labeled EPCs with silica-coated superparamagnetic iron oxide nanoparticles (SiO4@SPIONs) and applied exterior magnetic field to guide SiO4@SPIONs-labeled EPCs (SiO4@SPIONs-EPCs) to the ischemic hemisphere of the brain. We optimized SiO4@SPIONs labeling dose, which did not affect proliferation, migration and tube formation of EPCs in vitro. SiO4@SPIONs-EPCs homing was greatly increased in ischemic hemisphere with magnetic field treatment in mice underwent transient middle cerebral artery occlusion (tMCAO). Injection of SiO4@SPIONs-EPCs and followed by magnetic field treatment showed improved neurobehavioral outcomes, reduced brain atrophic volume, increased microvessel density and VEGF expression in the ischemic perifocal region compared to groups without magnetic field treatment (p < 0.05). Our results demonstrated that exterior magnetic field could guide SiO4@SPIONs-EPCs to ischemic region and enhance therapeutic effect, suggesting that magnetic-guided SiO4@SPIONs-EPCs delivery is a promising approach in cerebral ischemic therapy.
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Bai C, Hou L, Zhang M, Wang L, Guan W, Ma Y. Identification and biological characterization of chicken embryonic cardiac progenitor cells. Cell Prolif 2013; 46:232-42. [PMID: 23510478 DOI: 10.1111/cpr.12024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2012] [Accepted: 12/05/2012] [Indexed: 12/15/2022] Open
Abstract
OBJECTIVES Many kinds of cardiac progenitor cell populations have been identified, including c-kit(+) , Nkx2.5(+) s and GATA4(+) cells. However, these progenitors have limited ability to differentiate into different cardiac cell types. Recently, a new kind of cardiac progenitor cell named the multipotent Isl1(+) cardiovascular progenitor (MICPs) has been identified, which also expresses Nkx2.5, GATA4, CD34 and Flk1. MATERIALS AND METHODS In this study, we have isolated and characterized MICPs from chicken embryonic heart tissues using immunofluorescence and PCR. RESULTS Results shown that they express markers of cardiac progenitor cells, with high clonality. They have the ability to self-renew and can give rise to three types of heart cell in vitro. CONCLUSIONS Myocytes, smooth muscle cells and endothelial cells. Our work provides evidence for a developmental paradigm of the heart, that endothelial and muscle lineage diversification arises from multipotent cardiac progenitor cells. Existence of these cells provides a new opportunity for myocardial injury repair.
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Affiliation(s)
- C Bai
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing, 100193, China
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Valenzuela CD, Allori AC, Reformat DD, Sailon AM, Allen RJ, Davidson EH, Alikhani M, Bromage TG, Ricci JL, Warren SM. Characterization of adipose-derived mesenchymal stem cell combinations for vascularized bone engineering. Tissue Eng Part A 2013; 19:1373-85. [PMID: 23343199 DOI: 10.1089/ten.tea.2012.0323] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Since bone repair and regeneration depend on vasculogenesis and osteogenesis, both of these processes are essential for successful vascularized bone engineering. Using adipose-derived stem cells (ASCs), we investigated temporal gene expression profiles, as well as bone nodule and endothelial tubule formation capacities, during osteogenic and vasculogenic ASC lineage commitment. Osteoprogenitor-enriched cell populations were found to express RUNX2, MSX2, SP7 (osterix), BGLAP (osteocalcin), SPARC (osteonectin), and SPP1 (osteopontin) in a temporally specific sequence. Irreversible commitment of ASCs to the osteogenic lineage occurred between days 6 and 9 of differentiation. Endothelioprogenitor-enriched cell populations expressed CD34, PECAM1 (CD31), ENG (CD105), FLT1 (Vascular endothelial growth factor [VEGFR1]), and KDR (VEGFR2). Capacity for microtubule formation was evident in as early as 3 days. Functional capacity was assessed in eight coculture combinations for both bone nodule and endothelial tubule formation, and the greatest expression of these end-differentiation phenotypes was observed in the combination of well-differentiated endothelial cells with less-differentiated osteoblastic cells. Taken together, our results demonstrate vascularized bone engineering utilizing ASCs is a promising enterprise, and that coculture strategies should focus on developing a more mature vascular network in combination with a less mature osteoblastic stromal cell.
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Affiliation(s)
- Cristian D Valenzuela
- Institute of Reconstructive Plastic Surgery Laboratories, New York University Langone Medical Center, New York, New York 10016, USA
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Goretti E, Rolland-Turner M, Léonard F, Zhang L, Wagner DR, Devaux Y. MicroRNA-16 affects key functions of human endothelial progenitor cells. J Leukoc Biol 2013; 93:645-55. [PMID: 23325924 DOI: 10.1189/jlb.1012511] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022] Open
Abstract
The capacity of EPCs to repair injured tissues is limited. The role of miRNAs in EPCs is largely unknown. We tested whether miRNAs may be useful to enhance the regenerative capacity of EPCs. Early EPCs were isolated from human PBMCs, and late EPCs were amplified from enriched human peripheral CD34(+) cells. Expression profiles of miRNAs and mRNAs were obtained by microarrays. Among the miRNAs differentially expressed between early and late EPCs, five members of the miR-16 family (miR-15a/-15b/-16/-103/-107) were overexpressed in early EPCs. Web-accessible databases predicted 375 gene targets for these five miRNAs. Among these, two regulators of cell cycle progression (CCND1 and CCNE1) and one associated gene (CDK6) were less expressed in early EPCs. Administration of anti-miR-16 in early EPCs enhanced the expression of these three genes, and administration of pre-miR-16 in late EPCs decreased their expression. In early EPCs, antagonism of miR-16 allowed for cell-cycle re-entry, stimulated differentiation, enhanced IL-8 secretion, and promoted the formation of capillary-like structures by HUVECs. In conclusion, miR-16 regulates key biological pathways in EPCs. This may have important implications to enhance the capacity of EPCs to repair injured tissues.
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Affiliation(s)
- Emeline Goretti
- Laboratory of Cardiovascular Research, Public Research Centre–Health, Luxembourg
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Kawakami Y, Ii M, Alev C, Kawamoto A, Matsumoto T, Kuroda R, Shoji T, Fukui T, Masuda H, Akimaru H, Mifune Y, Kuroda T, Horii M, Yokoyama A, Kurosaka M, Asahara T. Local Transplantation of Ex Vivo Expanded Bone Marrow-Derived CD34-Positive Cells Accelerates Fracture Healing. Cell Transplant 2012; 21:2689-709. [DOI: 10.3727/096368912x654920] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Transplantation of bone marrow (BM) CD34+ cells, an endothelial/hematopoietic progenitor-enriched cell population, has shown therapeutic efficiency in the treatment of ischemic diseases enhancing neovascularization. However, the number of CD34+ cells obtained from bone marrow is not sufficient for routine clinical application. To overcome this issue, we developed a more efficient and clinically applicable CD34+ cell expansion method. Seven-day ex vivo expansion culture of BM CD34+ cells with a cocktail of five growth factors containing VEGF, SCF, IL-6, Flt-3 ligand, and TPO resulted in reproducible more than 20-fold increase in cell number. The favorable effect of the local transplantation of culture expanded (cEx)-BM CD34+ cells on rat unhealing fractures was equivalent or higher than that of nonexpanded (fresh) BM CD34+ cells exhibiting sufficient therapeutic outcome with frequent vasculogenic/osteogenic differentiation of transplanted cEx-BM CD34+ cells and fresh BM CD34+ cells as well as intrinsic enhancement of angiogenesis/osteogenesis at the treated fracture sites. Specifically, cEx-BM CD34+ cell treatment demonstrated the best blood flow recovery at fracture sites compared with the nonexpanded BM CD34+ cells. In vitro, cEx-BM CD34+ cells showed higher colony/tube-forming capacity than nonexpanded BM CD34+ cells. Both cells demonstrated differentiation potential into osteoblasts. Since fresh BM CD34+ cells can be easily collected from fracture sites at the time of primary operation and stored for future use, autologous cEx-BM CD34+ cell transplantation would be not only a simple but also a promising therapeutic strategy for unhealing fractures in the field of orthopedic trauma surgery.
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Affiliation(s)
- Yohei Kawakami
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Masaaki Ii
- Department of Pharmacology, Osaka Medical College, Takatsuki, Osaka, Japan
| | - Cantas Alev
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Laboratory for Early Embryogenesis, RIKEN Center for Developmental Biology, Kobe, Hyogo, Japan
| | - Atsuhiko Kawamoto
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
| | - Tomoyuki Matsumoto
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Ryosuke Kuroda
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Taro Shoji
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Tomoaki Fukui
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Haruchika Masuda
- Department of Regenerative Medicine Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
| | - Hiroshi Akimaru
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
| | - Yutaka Mifune
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Tomoya Kuroda
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Miki Horii
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
| | - Ayumi Yokoyama
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
| | - Masahiro Kurosaka
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, Kobe, Hyogo, Japan
| | - Takayuki Asahara
- Group of Vascular Regeneration, Institute of Biomedical Research and Innovation, Kobe, Hyogo, Japan
- Department of Regenerative Medicine Science, Tokai University School of Medicine, Isehara, Kanagawa, Japan
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Mihaila SM, Frias AM, Pirraco RP, Rada T, Reis RL, Gomes ME, Marques AP. Human adipose tissue-derived SSEA-4 subpopulation multi-differentiation potential towards the endothelial and osteogenic lineages. Tissue Eng Part A 2012; 19:235-46. [PMID: 22924692 DOI: 10.1089/ten.tea.2012.0092] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
Human adipose tissue has been recently recognized as a potential source of stem cells for regenerative medicine applications, including bone tissue engineering (TE). Despite the gathered knowledge regarding the differentiation potential of human adipose tissue-derived stem cells (hASCs), in what concerns the endothelial lineage many uncertainties are still present. The existence of a cell subpopulation within the human adipose tissue that expresses a SSEA-4 marker, usually associated to pluripotency, raises expectations on the differentiation capacity of these cells (SSEA-4(+)hASCs). In the present study, the endothelial and osteogenic differentiation potential of the SSEA-4(+)hASCs was analyzed, aiming at proposing a single-cell source/subpopulation for the development of vascularized bone TE constructs. SSEA-4(+)hASCs were isolated using immunomagnetic sorting and cultured either in α-MEM, in EGM-2 MV (endothelial growth medium), or in osteogenic medium. SSEA-4(+)hASCs cultured in EGM-2 MV formed endothelial cell-like colonies characterized by a cobblestone morphology and expression of CD31, CD34, CD105, and von Willebrand factor as determined by quantitative reverse transcriptase (RT)-polymerase chain reaction, immunofluorescence, and flow cytometry. The endothelial phenotype was also confirmed by their ability to incorporate acetylated low-density lipoprotein and to form capillary-like structures when seeded on Matrigel. SSEA-4(+)hASCs cultured in α-MEM displayed fibroblastic-like morphology and exhibited a mesenchymal surface marker profile (>90% CD90(+)/CD73(+)/CD105(+)). After culture in osteogenic conditions, an overexpression of osteogenic-related markers (osteopontin and osteocalcin) was observed both at molecular and protein levels. Matrix mineralization detected by Alizarin Red staining confirmed SSEA-4(+)hASCs osteogenic differentiation. Herein, we demonstrate that from a single-cell source, human adipose tissue, and by selecting the appropriate subpopulation it is possible to obtain microvascular-like endothelial cells and osteoblasts, the most relevant cell types for the creation of vascularized bone tissue-engineered constructs.
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Affiliation(s)
- Silvia M Mihaila
- Department of Polymer Engineering, 3B's Research Group, University of Minho, Guimarães, Portugal
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Pericardial patch angioplasty heals via an Ephrin-B2 and CD34 positive cell mediated mechanism. PLoS One 2012; 7:e38844. [PMID: 22719962 PMCID: PMC3374760 DOI: 10.1371/journal.pone.0038844] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2012] [Accepted: 05/11/2012] [Indexed: 01/08/2023] Open
Abstract
Objective Pericardial patches are commonly used in vascular surgery to close arteriotomies. The mechanism of early healing after patch implantation is still not well defined. We used a rat aortic patch model to assess pericardial patch healing and examined Ephrin-B2, a marker of arterial identity, expression within the post-implantation patch. We also determined whether endothelial progenitor cells (EPC) are associated with early patch healing in the arterial environment. Methods Wistar rats (200–250 grams) underwent infrarenal aortic arteriotomy and then closure via bovine or porcine pericardial patch angioplasty. Control groups included subcutaneously implanted patches. Patches were harvested at 0–30 days and analyzed by histology, immunohistochemistry, immunofluorescence and Western blot as well as quantitative PCR. Results Prior to implantation, pericardial patches are largely composed of collagen and are acellular. Following arterial implantation, increasing numbers of CD68-positive cells as well as Ephrin-B2 and CD34 dual-positive cells are found within both bovine and porcine pericardial patches, whereas the infiltrating cells are negative for vWF and α-actin. Porcine patches have a luminal monolayer of cells at day 7, compared to bovine patches that have fewer luminal cells. Subcutaneously implanted patches do not attract Ephrin-B2/CD34-positive cells. By day 30, both bovine and porcine pericardial patches develop a neointima that contains Ephrin-B2, CD34, and VEGFR2-positive cells. Conclusion Both CD68-positive and Ephrin-B2 and CD34 dual-positive cells infiltrate the pericardial patch early after implantation. Arteriotomy closure via pericardial patch angioplasty shows patch adaptation to the arterial environment that may involve a foreign body response as well as localization of EPC. Arterial remodeling of pericardial patches support endothelialization and may represent a paradigm of healing of scaffolds used for tissue engineering.
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Enhanced Endothelialization of a New Stent Polymer Through Surface Enhancement and Incorporation of Growth Factor-Delivering Microparticles. J Cardiovasc Transl Res 2012; 5:519-27. [DOI: 10.1007/s12265-012-9381-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/20/2012] [Accepted: 05/17/2012] [Indexed: 11/26/2022]
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MRI tracking of FePro labeled fresh and cryopreserved long term in vitro expanded human cord blood AC133+ endothelial progenitor cells in rat glioma. PLoS One 2012; 7:e37577. [PMID: 22662174 PMCID: PMC3360770 DOI: 10.1371/journal.pone.0037577] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2011] [Accepted: 04/24/2012] [Indexed: 01/31/2023] Open
Abstract
BACKGROUND Endothelial progenitors cells (EPCs) are important for the development of cell therapies for various diseases. However, the major obstacles in developing such therapies are low quantities of EPCs that can be generated from the patient and the lack of adequate non-invasive imaging approach for in vivo monitoring of transplanted cells. The objective of this project was to determine the ability of cord blood (CB) AC133+ EPCs to differentiate, in vitro and in vivo, toward mature endothelial cells (ECs) after long term in vitro expansion and cryopreservation and to use magnetic resonance imaging (MRI) to assess the in vivo migratory potential of ex vivo expanded and cryopreserved CB AC133+ EPCs in an orthotopic glioma rat model. MATERIALS, METHODS AND RESULTS The primary CB AC133+ EPC culture contained mainly EPCs and long term in vitro conditions facilitated the maintenance of these cells in a state of commitment toward endothelial lineage. At days 15-20 and 25-30 of the primary culture, the cells were labeled with FePro and cryopreserved for a few weeks. Cryopreserved cells were thawed and in vitro differentiated or i.v. administered to glioma bearing rats. Different groups of rats also received long-term cultured, magnetically labeled fresh EPCs and both groups of animals underwent MRI 7 days after i.v. administration of EPCs. Fluorescent microscopy showed that in vitro differentiation of EPCs was not affected by FePro labeling and cryopreservation. MRI analysis demonstrated that in vivo accumulation of previously cryopreserved transplanted cells resulted in significantly higher R2 and R2* values indicating a higher rate of migration and incorporation into tumor neovascularization of previously cryopreserved CB AC133+ EPCs to glioma sites, compared to non-cryopreserved cells. CONCLUSION Magnetically labeled CB EPCs can be in vitro expanded and cryopreserved for future use as MRI probes for monitoring the migration and incorporation to the sites of neovascularization.
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Bai C, Hou L, Zhang M, Pu Y, Guan W, Ma Y. Characterization of vascular endothelial progenitor cells from chicken bone marrow. BMC Vet Res 2012; 8:54. [PMID: 22584105 PMCID: PMC3408357 DOI: 10.1186/1746-6148-8-54] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2011] [Accepted: 05/14/2012] [Indexed: 02/04/2023] Open
Abstract
Background Endothelial progenitor cells (EPC) are a type of stem cell used in the treatment of atherosclerosis, vascular injury and regeneration. At present, most of the EPCs studied are from human and mouse, whereas the study of poultry-derived EPCs has rarely been reported. In the present study, chicken bone marrow-derived EPCs were isolated and studied at the cellular level using immunofluorescence and RT-PCR. Results We found that the majority of chicken EPCs were spindle shaped. The growth-curves of chicken EPCs at passages (P) 1, -5 and -9 were typically “S”-shaped. The viability of chicken EPCs, before and after cryopreservation was 92.2% and 81.1%, respectively. Thus, cryopreservation had no obvious effects on the viability of chicken EPCs. Dil-ac-LDL and FITC-UAE-1 uptake assays and immunofluorescent detection of the cell surface markers CD34, CD133, VEGFR-2 confirmed that the cells obtained in vitro were EPCs. Observation of endothelial-specific Weibel-Palade bodies using transmission electron microscopy further confirmed that the cells were of endothelial lineage. In addition, chicken EPCs differentiated into endothelial cells and smooth muscle cells upon induction with VEGF and PDGF-BB, respectively, suggesting that the chicken EPCs retained multipotency in vitro. Conclusions These results suggest that chicken EPCs not only have strong self-renewal capacity, but also the potential to differentiate into endothelial and smooth muscle cells. This research provides theoretical basis and experimental evidence for potential therapeutic application of endothelial progenitor cells in the treatment of atherosclerosis, vascular injury and diabetic complications.
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Affiliation(s)
- Chunyu Bai
- Institute of Animal Sciences, Chinese Academy of Agricultural Sciences, Beijing 100193, China
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Ensley AE, Nerem RM, Anderson DEJ, Hanson SR, Hinds MT. Fluid shear stress alters the hemostatic properties of endothelial outgrowth cells. Tissue Eng Part A 2011; 18:127-36. [PMID: 21787250 DOI: 10.1089/ten.tea.2010.0290] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Surface endothelialization is an attractive means to improve the performance of small diameter vascular grafts. While endothelial outgrowth cells (EOCs) are considered a promising source of autologous endothelium, the ability of EOCs to modulate coagulation-related blood activities is not well understood. The goal of this study was to assess the role of arterial flow conditions on the thrombogenic phenotype of EOCs. EOCs derived from baboon peripheral blood, as well as mature arterial endothelial cells from baboons, were seeded onto adsorbed collagen, then exposed to physiologic levels of fluid shear stress. For important hemostatic pathways, cellular responses to shear stress were characterized at the gene and protein level and confirmed with a functional assay for activated protein C (APC) activity. For EOCs, fluid shear stress upregulated gene and protein expression of anticoagulant and platelet inhibitory factors, including thrombomodulin, tissue factor pathway inhibitor, and nitric oxide synthase 3 (eNOS). Fluid shear stress significantly altered the functional activity of EOCs by increasing APC levels. This study demonstrates that fluid shear stress is an important determinant of EOC hemostatic properties. Accordingly, manipulation of EOC phenotype by mechanical forces may be important for the development of thrombo-resistant surfaces on engineered vascular implants.
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Affiliation(s)
- Ann E Ensley
- Parker H. Petit Institute for Bioengineering and Bioscience and Woodruff School of Mechanical Engineering, Georgia Institute of Technology, Atlanta, Georgia, USA
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Alev C, Ii M, Asahara T. Endothelial progenitor cells: a novel tool for the therapy of ischemic diseases. Antioxid Redox Signal 2011; 15:949-65. [PMID: 21254837 DOI: 10.1089/ars.2010.3872] [Citation(s) in RCA: 67] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Abstract
Circulating endothelial progenitor cells (EPCs) are believed to home to sites of neovascularization, contributing to vascular regeneration either directly via incorporation into newly forming vascular structures or indirectly via the secretion of pro-angiogenic growth factors, thereby enhancing the overall vascular and hemodynamic recovery of ischemic tissues. The therapeutic application of EPCs has been shown to be effective in animal models of ischemia, and we as well as other groups involved in clinical trials have demonstrated that the use of EPCs was safe and feasible for the treatment of critical limb ischemia and cardiovascular diseases. However, many issues in the field of EPC biology, especially in regard to the proper and unambiguous molecular characterization of these cells, still remain unresolved, hampering not only basic research but also the effective therapeutic use and widespread application of these cells. Further, recent evidence suggests that several diseases and pathological conditions are correlated with a reduction in the number and biological activity of EPCs, making the development of novel strategies to overcome the current limitations and shortcomings of this promising but still limited therapeutic tool by refinement and improvement of EPC purification, expansion, and administration techniques, a rather pressing issue.
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Affiliation(s)
- Cantas Alev
- Group of Vascular Regeneration Research, Institute of Biomedical Research and Innovation/RIKEN Center for Developmental Biology, Kobe, Japan
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Masuda H, Alev C, Akimaru H, Ito R, Shizuno T, Kobori M, Horii M, Ishihara T, Isobe K, Isozaki M, Itoh J, Itoh Y, Okada Y, McIntyre BA, Kato S, Asahara T. Methodological Development of a Clonogenic Assay to Determine Endothelial Progenitor Cell Potential. Circ Res 2011; 109:20-37. [DOI: 10.1161/circresaha.110.231837] [Citation(s) in RCA: 118] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
The precise and conceptual insight of circulating endothelial progenitor cell (EPC) kinetics is hampered by the absence of an assay system capable of evaluating the EPC differentiation cascade. An assay system for EPC colony formation was developed to delineate circulating EPC differentiation. EPC colony-forming assay using semisolid medium and single or bulk CD133
+
cells from umbilical cord blood exhibited the formation of two types of attaching cell colonies made of small or large cells featuring endothelial lineage potential and properties, termed small EPC colony-forming units and large EPC colony-forming units, respectively. In vitro and in vivo assays of each EPC colony-forming unit cell revealed a differentiation hierarchy from small EPC to large EPC colonies, indicating a primitive EPC stage with highly proliferative activity and a definitive EPC stage with vasculogenic properties, respectively. Experimental comparison with a conventional EPC culture assay system disclosed EPC colony-forming unit cells differentiate into noncolony-forming early EPC. The fate analysis of single CD133
+
cells into the endothelial and hematopoietic lineage was achieved by combining this assay system with a hematopoietic progenitor assay and demonstrated the development of colony-forming EPC and hematopoietic progenitor cells from a single hematopoietic stem cell. EPC colony-forming assay permits the determination of circulating EPC kinetics from single or bulk cells, based on the evaluation of hierarchical EPC colony formation. This assay further enables a proper exploration of possible links between the origin of EPC and hematopoietic stem cells, representing a novel and powerful tool to investigate the molecular signaling pathways involved in EPC biology.
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Affiliation(s)
- Haruchika Masuda
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Cantas Alev
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Hiroshi Akimaru
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Rie Ito
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Tomoko Shizuno
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Michiru Kobori
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Miki Horii
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Toshiya Ishihara
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Kazuya Isobe
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Mitsuhiro Isozaki
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Johbu Itoh
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Yoshiko Itoh
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Yoshinori Okada
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Brendan A.S. McIntyre
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Shunichi Kato
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
| | - Takayuki Asahara
- From the Department of Regenerative Medicine Science, Division of Basic Clinical Science (H.M., R.I., T.S., M.K., T.I., K.I., T.A.), Department of Clinical Pharmacology, Division of Basic Clinical Science (M.I.), and Departments of Cell Transplantation & Regenerative Medicine (S.K.), the Teaching and Research Support Center (J.I., Y.I., Y.O.), Tokai University School of Medicine, Isehara, Kanagawa, Japan; the Laboratory for Early Embryogenesis (C.A., B.A.M.), RIKEN Center for Developmental
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Phuc PV, Ngoc VB, Lam DH, Tam NT, Viet PQ, Ngoc PK. Isolation of three important types of stem cells from the same samples of banked umbilical cord blood. Cell Tissue Bank 2011; 13:341-51. [DOI: 10.1007/s10561-011-9262-4] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2011] [Accepted: 05/26/2011] [Indexed: 11/30/2022]
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Hatch A, Hansmann G, Murthy SK. Engineered alginate hydrogels for effective microfluidic capture and release of endothelial progenitor cells from whole blood. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2011; 27:4257-64. [PMID: 21401041 PMCID: PMC3086588 DOI: 10.1021/la105016a] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/20/2023]
Abstract
Microfluidic adhesion-based cell separation systems are of interest in clinical and biological applications where small sample volumes must be processed efficiently and rapidly. While the ability to capture rare cells from complex suspensions such as blood using microfluidic systems has been demonstrated, few methods exist for rapid and nondestructive release of the bound cells. Such detachment is critical for applications in tissue engineering and cell-based therapeutics in contrast with diagnostics wherein immunohistochemical, proteomic, and genomic analyses can be carried out by simply lysing captured cells. This paper demonstrates how the incorporation of four-arm amine-terminated poly(ethylene glycol) (PEG) molecules along with antibodies within alginate hydrogels can enhance the ability of the hydrogels to capture endothelial progenitor cells (EPCs) from whole human blood. The hydrogel coatings are applied conformally onto pillar structures within microfluidic channels and their dissolution with a chelator allows for effective recovery of EPCs following capture.
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Affiliation(s)
- Adam Hatch
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, USA
| | - Georg Hansmann
- Department of Cardiology, Children’s Hospital Boston and Harvard Medical School, Boston, Massachusetts 02115, USA
| | - Shashi K. Murthy
- Department of Chemical Engineering, Northeastern University, Boston, Massachusetts 02115, USA
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Elkhafif N, El Baz H, Hammam O, Hassan S, Salah F, Mansour W, Mansy S, Yehia H, Zaki A, Magdy R. CD133(+) human umbilical cord blood stem cells enhance angiogenesis in experimental chronic hepatic fibrosis. APMIS 2010; 119:66-75. [PMID: 21143528 DOI: 10.1111/j.1600-0463.2010.02693.x] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The in vivo angiogenic potential of transplanted human umbilical cord blood (UCB) CD133(+) stem cells in experimental chronic hepatic fibrosis induced by murine schistosomiasis was studied. Enriched cord blood-derived CD133(+) cells were cultured in primary medium for 3 weeks. Twenty-two weeks post-Schistosomiasis infection in mice, after reaching the chronic hepatic fibrotic stage, transplantation of stem cells was performed and mice were sacrificed 3 weeks later. Histopathology and electron microscopy showed an increase in newly formed blood vessels and a decrease in the fibrosis known for this stage of the disease. By immunohistochemical analysis the newly formed blood vessels showed positive expression of the human-specific angiogenic markers CD31, CD34 and von Willebrand factor. Few hepatocyte-like polygonal cells showed positive expression of human vascular endothelial growth factor and inducible nitric oxide synthase. The transplanted CD133(+) human stem cells primarily enhanced hepatic angiogenesis and neovascularization and contributed to repair in a paracrine manner by creating a permissive environment that enabled proliferation and survival of damaged cells rather than by direct differentiation to hepatocytes. A dual advantage of CD133(+) cell therapy in hepatic disease is suggested based on its capability of hematopoietic and endothelial differentiation.
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Affiliation(s)
- Nagwa Elkhafif
- Departments of Electron Microscopy, Theodor Bilharz Research Institute, Giza, Egypt.
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Li M, Yu J, Li Y, Li D, Yan D, Ruan Q. CXCR4+ progenitors derived from bone mesenchymal stem cells differentiate into endothelial cells capable of vascular repair after arterial injury. Cell Reprogram 2010; 12:405-15. [PMID: 20698779 DOI: 10.1089/cell.2009.0088] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Recent findings indicate that bone marrow mesenchymal stem cells (BMSCs) participate in the process of neovascularization in response to repair to injury and are involved in postinfarction myocardial repair. It is unclear what special characteristics the vascular progenitors of bone marrow origin has. CXCR4(+) stem/progenitor cells mobilized to the infarct area and improved the myocardial repair. In present study, we aimed to determine whether CXCR4(+)BMSCs contribute to the angiogenic capacity in vitro and in vivo. CXCR4(+)BMSCs were separated by using paramagnetic microbeads and cultured. RT-PCR and FACS analysis confirmed the gene expression phenotype. The uptake of acetylated low density lipoprotein (acLDL) and the tube formation evaluated the function of CXCR4(+)BMSCs. The effect of CXCR4(+)BMSCs transplantation on neovascularization was investigated in a murine model hindlimb ischemia. After induced by VEGF, CXCR4(+)BMSCs expressed the endothelial cells (ECs) phenotype. The expression of EC markers, PECAM-1, and von Willebrand factor (vWF) increased significantly at both the mRNA and protein levels. In addition, CXCR4(+)BMSCs enhanced the uptakes of Dil-acLDL and form capillary-like tubes in vitro. In vivo the local transfer of CXCR4(+)BMSCs increased neovascularization in ischemic hindlimb. These results demonstrate that CXCR4(+)BMSCs differentiate into ECs and contribute to neovascularization in the vascular lesion,, which indicate the important therapeutic implications for cardiovascular diseases and a new cell source for cell-based vascular engineering and repair in the future.
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Affiliation(s)
- Mincai Li
- Institute of Pathology, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, People's Republic of China
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Shao C, Fu Y, Lu W, Fan X. Bone marrow-derived endothelial progenitor cells: a promising therapeutic alternative for corneal endothelial dysfunction. Cells Tissues Organs 2010; 193:253-63. [PMID: 20962503 DOI: 10.1159/000319797] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/20/2010] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND The global shortage of donor corneas has motivated the development of bioengineered corneas. Although corneal endothelium has been reconstituted using corneal endothelial cells (CEC) and precursor cells with various carrier materials, all of the current options require corneal tissue and are also limited by the scarcity of donor corneas. Here, we explored the feasibility of inducing bone marrow-derived endothelial progenitor cells (BEPC) to differentiate into CEC for the repair of corneal endothelial defects. MATERIALS AND METHODS BEPC were isolated from human fetal bone marrow, and identified using several antigen markers. BEPC were cocultured with CEC for 10 days in a transwell system with conditioned medium from CEC, and cell transdifferentiation was then examined. With a porcine corneal acellular matrix (PCACM) as the carrier, the induced BEPC were transplanted onto a cat's cornea from which Descemet's membrane and the endothelium had been stripped. RESULTS The induced BEPC resembled CEC in polygonal shape, expressing aquaporin-1, tightly opposed cell junctions, and neurone-specific enolase. Twenty-eight days after surgery, the transparency gradually returned to the corneas transplanted with the induced BEPC on PCACM. CONCLUSIONS Human fetal BEPC transdifferentiate into corneal endothelial-like cells in vitro. Features of the induced BEPC indicated that they may be useful for the repair of corneal endothelial dysfunction.
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Affiliation(s)
- Chunyi Shao
- Department of Ophthalmology, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Hess C, Wiegmann B, Maurer AN, Fischer P, Möller L, Martin U, Hilfiker A, Haverich A, Fischer S. Reduced Thrombocyte Adhesion to Endothelialized Poly 4-Methyl-1-Pentene Gas Exchange Membranes—A First Step Toward Bioartificial Lung Development. Tissue Eng Part A 2010; 16:3043-53. [DOI: 10.1089/ten.tea.2010.0131] [Citation(s) in RCA: 36] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
- Christian Hess
- Leibniz Research Laboratories for Biotechnology and Artificial Organs, Department of Cardiothoracic, Transplantation, and Vascular Surgery, Hannover Medical School, Hannover, Germany
| | - Bettina Wiegmann
- Leibniz Research Laboratories for Biotechnology and Artificial Organs, Department of Cardiothoracic, Transplantation, and Vascular Surgery, Hannover Medical School, Hannover, Germany
| | - Andreas N. Maurer
- Leibniz Research Laboratories for Biotechnology and Artificial Organs, Department of Cardiothoracic, Transplantation, and Vascular Surgery, Hannover Medical School, Hannover, Germany
| | - Philipp Fischer
- Clinic for Cardiology and Angiology, Hannover Medical School, Hannover, Germany
| | - Lena Möller
- Institute of Organic Chemistry, Leibniz University of Hannover, Hannover, Germany
| | - Ulrich Martin
- Leibniz Research Laboratories for Biotechnology and Artificial Organs, Department of Cardiothoracic, Transplantation, and Vascular Surgery, Hannover Medical School, Hannover, Germany
| | - Andres Hilfiker
- Leibniz Research Laboratories for Biotechnology and Artificial Organs, Department of Cardiothoracic, Transplantation, and Vascular Surgery, Hannover Medical School, Hannover, Germany
| | - Axel Haverich
- Leibniz Research Laboratories for Biotechnology and Artificial Organs, Department of Cardiothoracic, Transplantation, and Vascular Surgery, Hannover Medical School, Hannover, Germany
| | - Stefan Fischer
- Leibniz Research Laboratories for Biotechnology and Artificial Organs, Department of Cardiothoracic, Transplantation, and Vascular Surgery, Hannover Medical School, Hannover, Germany
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Dudek AZ. Endothelial lineage cell as a vehicle for systemic delivery of cancer gene therapy. Transl Res 2010; 156:136-46. [PMID: 20801410 DOI: 10.1016/j.trsl.2010.07.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/29/2010] [Revised: 07/12/2010] [Accepted: 07/13/2010] [Indexed: 01/14/2023]
Abstract
A major limitation of cancer gene therapy is the difficulty of delivering a therapeutic gene to distant sites of metastatic disease. A promising strategy to address this difficulty is to use expanded ex vivo cells to produce a therapeutic protein. As with other approaches to gene therapy, this strategy is attractive when the therapeutic protein is unstable ex vivo or has a short circulating half life in vivo. The initial step to develop a cancer gene therapy using autologous cell delivery is the identification of a cell type that migrates to the tumor site, is readily available for harvesting, and is manipulated easily ex vivo. Recent evidence suggests that endothelial progenitor, precursor, and blood outgrowth endothelial cells are attracted to the tumor vasculature by its angiogenic drive. Here, we review recent advances in the study of circulating endothelial cell-mediated tumor vasculogenesis and discuss the advantages and challenges of bringing endothelial lineage-based cancer gene therapy closer to clinical application.
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Affiliation(s)
- Arkadiusz Z Dudek
- Division of Hematology, Oncologyand Transplantation, University of Minnesota Medical School, Minneapolis, MN 55455, USA.
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