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Taha M, Elazab ST, Qutub A, Abdelbagi O, Baokbah TAS, Ahmed GS, Zaghloul RA, Albarakati AJA, Qusty NF, Babateen O, Al-Kushi AG. Novel Insights about Synergistic Effect of Zamzam Water with SGL2 Inhibitors on Wound Healing in STZ-Induced Diabetic Rats: The Role of anti-Inflammatory and Proangiogenic Effects. J INVEST SURG 2023; 36:2266736. [PMID: 37813392 DOI: 10.1080/08941939.2023.2266736] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2023] [Accepted: 09/28/2023] [Indexed: 10/11/2023]
Abstract
Background: Hyperglycemia usually impairs wound healing by dysregulating the inflammatory response and angiogenesis. This study aimed to examine the synergistic effect of dapagliflozin and Zamzam water (ZW) on the healing of diabetic wounds and to explore their anti-inflammatory and proangiogenic effects.Materials and methods: A full-thickness excisional wound was made on the backs of all groups after two weeks of diabetes induction. Forty rats were divided into five groups, with eight rats per group; Group 1: Control non-diabetic rats; Group II: Untreated diabetic rats; Group III: Diabetic rats drinking ZW; Group IV: Diabetic rats receiving an oral dose of 1 mg/kg dapagliflozin; and Group V: Received both dapagliflozin and ZW. The healing of diabetic wounds was assessed by measuring wound closure, oxidative stress markers, immunohistochemical staining of NF-βB, VEGF, CD34, CD45, Ki-67, and eNOS, gene expression of MMP-9, TGF-β1, EGF-b1, FGF, and Col1A1, protein levels of TNFα, IL-1β, IL6, Ang II, and HIF-1α by ELISA assay, and histological examination with H & E and Masson's trichrome. Combined treatment with dapagliflozin and ZW significantly (p < 0.05) enhanced the wound closure and antioxidant enzyme level, with apparent histological improvement, and shortened the inflammatory stage of the diabetic wound by decreasing the level of inflammatory markers NF-κB, TNF-α, IL-1β, IL6, and CD45. Therefore, it improved angiogenesis markers VEGF, CD34, eNOS, EGF-β1, FGF, Ang II, and HIF-1α, increasing Ki-67 cellular proliferation. Moreover, it enhanced the remodeling stage by increasing MMP-2, TGF-β1, and Col1A1 levels compared to diabetic rats.
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Affiliation(s)
- Medhat Taha
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura, Egypt
- Department of Anatomy, Al-Qunfudah Medical College, Umm Al-Qura University, Al-Qunfudhah, Saudi Arabia
| | - Sara T Elazab
- Department of Pharmacology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, Egypt
| | - Ammar Qutub
- Department of Surgery, Faculty of Medicine, King abdulaziz University, Rabigh, Saudi Arabia
| | - Omer Abdelbagi
- Department of Pathology, Qunfudah Faculty of Medicine, Umm-Al-Qura University, Makkah, Kingdom of Saudi Arabia
| | - Tourki A S Baokbah
- Department of Medical Emergency Services, College of Health Sciences-AlQunfudah, Umm Al-Qura University, Al-Qunfudhah, Saudi Arabia
| | - Gomaa S Ahmed
- Department of Dermatology, Venereology and Andrology, Faculty of Medicine, Assiut University, Assiut, Egypt
| | - Randa A Zaghloul
- Department of Biochemistry, Faculty of Pharmacy, University of Mansoura, Mansoura, Egypt
| | | | - Naeem F Qusty
- Medical Laboratories Department, Faculty of Applied Medical Sciences, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Omar Babateen
- Department of physiology, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
| | - Abdullah G Al-Kushi
- Department of Human Anatomy, Faculty of Medicine, Umm Al-Qura University, Makkah, Saudi Arabia
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Benítez-Camacho J, Ballesteros A, Beltrán-Camacho L, Rojas-Torres M, Rosal-Vela A, Jimenez-Palomares M, Sanchez-Gomar I, Durán-Ruiz MC. Endothelial progenitor cells as biomarkers of diabetes-related cardiovascular complications. Stem Cell Res Ther 2023; 14:324. [PMID: 37950274 PMCID: PMC10636846 DOI: 10.1186/s13287-023-03537-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2023] [Accepted: 10/13/2023] [Indexed: 11/12/2023] Open
Abstract
Diabetes mellitus (DM) constitutes a chronic metabolic disease characterized by elevated levels of blood glucose which can also lead to the so-called diabetic vascular complications (DVCs), responsible for most of the morbidity, hospitalizations and death registered in these patients. Currently, different approaches to prevent or reduce DM and its DVCs have focused on reducing blood sugar levels, cholesterol management or even changes in lifestyle habits. However, even the strictest glycaemic control strategies are not always sufficient to prevent the development of DVCs, which reflects the need to identify reliable biomarkers capable of predicting further vascular complications in diabetic patients. Endothelial progenitor cells (EPCs), widely known for their potential applications in cell therapy due to their regenerative properties, may be used as differential markers in DVCs, considering that the number and functionality of these cells are affected under the pathological environments related to DM. Besides, drugs commonly used with DM patients may influence the level or behaviour of EPCs as a pleiotropic effect that could finally be decisive in the prognosis of the disease. In the current review, we have analysed the relationship between diabetes and DVCs, focusing on the potential use of EPCs as biomarkers of diabetes progression towards the development of major vascular complications. Moreover, the effects of different drugs on the number and function of EPCs have been also addressed.
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Affiliation(s)
- Josefa Benítez-Camacho
- Biomedicine, Biotechnology and Public Health Department, Science Faculty, Cádiz University, Torre Sur. Avda. República Saharaui S/N, Polígono Río San Pedro, Puerto Real, 11519, Cádiz, Spain
- Biomedical Research and Innovation Institute of Cadiz (INIBICA), Cádiz, Spain
| | - Antonio Ballesteros
- Biomedical Research and Innovation Institute of Cadiz (INIBICA), Cádiz, Spain
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Córdoba, Spain
| | - Lucía Beltrán-Camacho
- Maimonides Biomedical Research Institute of Cordoba (IMIBIC), Córdoba, Spain
- Cell Biology, Physiology and Immunology Department, Córdoba University, Córdoba, Spain
| | - Marta Rojas-Torres
- Biomedicine, Biotechnology and Public Health Department, Science Faculty, Cádiz University, Torre Sur. Avda. República Saharaui S/N, Polígono Río San Pedro, Puerto Real, 11519, Cádiz, Spain
- Biomedical Research and Innovation Institute of Cadiz (INIBICA), Cádiz, Spain
| | - Antonio Rosal-Vela
- Biomedicine, Biotechnology and Public Health Department, Science Faculty, Cádiz University, Torre Sur. Avda. República Saharaui S/N, Polígono Río San Pedro, Puerto Real, 11519, Cádiz, Spain
- Biomedical Research and Innovation Institute of Cadiz (INIBICA), Cádiz, Spain
| | - Margarita Jimenez-Palomares
- Biomedicine, Biotechnology and Public Health Department, Science Faculty, Cádiz University, Torre Sur. Avda. República Saharaui S/N, Polígono Río San Pedro, Puerto Real, 11519, Cádiz, Spain
- Biomedical Research and Innovation Institute of Cadiz (INIBICA), Cádiz, Spain
| | - Ismael Sanchez-Gomar
- Biomedicine, Biotechnology and Public Health Department, Science Faculty, Cádiz University, Torre Sur. Avda. República Saharaui S/N, Polígono Río San Pedro, Puerto Real, 11519, Cádiz, Spain
- Biomedical Research and Innovation Institute of Cadiz (INIBICA), Cádiz, Spain
| | - Mª Carmen Durán-Ruiz
- Biomedicine, Biotechnology and Public Health Department, Science Faculty, Cádiz University, Torre Sur. Avda. República Saharaui S/N, Polígono Río San Pedro, Puerto Real, 11519, Cádiz, Spain.
- Biomedical Research and Innovation Institute of Cadiz (INIBICA), Cádiz, Spain.
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3
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Zheng SY, Wan XX, Kambey PA, Luo Y, Hu XM, Liu YF, Shan JQ, Chen YW, Xiong K. Therapeutic role of growth factors in treating diabetic wound. World J Diabetes 2023; 14:364-395. [PMID: 37122434 PMCID: PMC10130901 DOI: 10.4239/wjd.v14.i4.364] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 01/16/2023] [Accepted: 03/21/2023] [Indexed: 04/12/2023] Open
Abstract
Wounds in diabetic patients, especially diabetic foot ulcers, are more difficult to heal compared with normal wounds and can easily deteriorate, leading to amputation. Common treatments cannot heal diabetic wounds or control their many complications. Growth factors are found to play important roles in regulating complex diabetic wound healing. Different growth factors such as transforming growth factor beta 1, insulin-like growth factor, and vascular endothelial growth factor play different roles in diabetic wound healing. This implies that a therapeutic modality modulating different growth factors to suit wound healing can significantly improve the treatment of diabetic wounds. Further, some current treatments have been shown to promote the healing of diabetic wounds by modulating specific growth factors. The purpose of this study was to discuss the role played by each growth factor in therapeutic approaches so as to stimulate further therapeutic thinking.
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Affiliation(s)
- Shen-Yuan Zheng
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha 410013, Hunan Province, China
| | - Xin-Xing Wan
- Department of Endocrinology, Third Xiangya Hospital, Central South University, Changsha 410013, Hunan Province, China
| | - Piniel Alphayo Kambey
- Department of Neurobiology and Anatomy, Xuzhou Medical University, Xuzhou 221004, Jiangsu Province, China
| | - Yan Luo
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha 410013, Hunan Province, China
| | - Xi-Min Hu
- Department of Dermatology, Xiangya Hospital, Central South University, Changsha 410008, Hunan Province, China
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha 410013, Hunan Province, China
| | - Yi-Fan Liu
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha 410013, Hunan Province, China
| | - Jia-Qi Shan
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha 410013, Hunan Province, China
| | - Yu-Wei Chen
- Clinical Medicine Eight-Year Program, Xiangya School of Medicine, Central South University, Changsha 410013, Hunan Province, China
| | - Kun Xiong
- Department of Anatomy and Neurobiology, School of Basic Medical Science, Central South University, Changsha 410013, Hunan Province, China
- Key Laboratory of Emergency and Trauma, College of Emergency and Trauma, Hainan Medical University, Haikou 571199, Hainan Province, China
- Hunan Key Laboratory of Ophthalmology, Central South University, Changsha 410013, Hunan Province, China
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4
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Ge Y, Wang J, Cao W, Niu Q, Wu Y, Feng Y, Xu Z, Liu Y. Low Temperature Plasma Jet Affects Acute Skin Wounds in Diabetic Mice Through Reactive Components. INT J LOW EXTR WOUND 2022:15347346221139519. [PMID: 36380558 DOI: 10.1177/15347346221139519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/17/2024]
Abstract
As a common complication of diabetes, diabetic foot ulcers serious affect the life quality even lead to amputation if it's not properly treated. In this paper, we developed a Low Temperature Plasma Jet (LTPJ) system for treating diabetic foot ulcers on streptozotocin-induced diabetic mice. This system generates time-dependent reactive nitrogen and oxygen species (RNOS), which have temperature below 40°C. The wound area of normal mice was significantly reduced after LTPJ treatment. Histological and immunohistochemistry analysis showed faster deposition of collagen and more vessel formation both in plasma-treated normal and diabetic mice on Day 3. However, diabetic wounds showed poor collagen deposition and angiogenesis on Day 8, which might be the reason of slow wound healing. Reactive nitrogen species (RNS) that generated by LTPJ can promote endogenous nitric oxide (NO) production in diabetic wounds, thus promoting inflammation, stromal deposition, angiogenesis, cell proliferation and remodeling, while excess reactive oxygen species (ROS) will exacerbate oxidative stress in wound tissues of diabetic mice. In conclusion, LTPJ improved acute wound healing in normal mice, increased collagen deposition and angiogenesis in initial diabetic wound healing, but had no significant effect on diabetic wound healing rate.
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Affiliation(s)
- Yang Ge
- The CAS Key Laboratory of Bio-Medical Diagnostics, 165085Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu, China
| | - Jun Wang
- The CAS Key Laboratory of Bio-Medical Diagnostics, 165085Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu, China
- Nanjing Guoke Medical Enginneering Technology Development co., LTD, Nanjing, Jiangsu, China
| | - Wei Cao
- The CAS Key Laboratory of Bio-Medical Diagnostics, 165085Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu, China
| | - Qun Niu
- The CAS Key Laboratory of Bio-Medical Diagnostics, 165085Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu, China
| | - Yanfan Wu
- The CAS Key Laboratory of Bio-Medical Diagnostics, 165085Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu, China
| | - Yongtong Feng
- The CAS Key Laboratory of Bio-Medical Diagnostics, 165085Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu, China
| | - Zhengping Xu
- The CAS Key Laboratory of Bio-Medical Diagnostics, 165085Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu, China
| | - Yi Liu
- The CAS Key Laboratory of Bio-Medical Diagnostics, 165085Suzhou Institute of Biomedical Engineering and Technology, Chinese Academy of Sciences, Suzhou, Jiangsu, China
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Molnár AÁ, Pásztor D, Merkely B. Cellular Senescence, Aging and Non-Aging Processes in Calcified Aortic Valve Stenosis: From Bench-Side to Bedside. Cells 2022; 11:cells11213389. [PMID: 36359785 PMCID: PMC9659237 DOI: 10.3390/cells11213389] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/23/2022] [Accepted: 10/24/2022] [Indexed: 11/30/2022] Open
Abstract
Aortic valve stenosis (AS) is the most common valvular heart disease. The incidence of AS increases with age, however, a significant proportion of elderly people have no significant AS, indicating that both aging and nonaging pathways are involved in the pathomechanism of AS. Age-related and stress-induced cellular senescence accompanied by further active processes represent the key elements of AS pathomechanism. The early stage of aortic valve degeneration involves dysfunction and disruption of the valvular endothelium due to cellular senescence and mechanical stress on blood flow. These cells are replaced by circulating progenitor cells, but in an age-dependent decelerating manner. When endothelial denudation is no longer replaced by progenitor cells, the path opens for focal lipid deposition, initiating subsequent oxidation, inflammation and micromineralisation. Later stages of AS feature a complex active process with extracellular matrix remodeling, fibrosis and calcification. Echocardiography is the gold standard method for diagnosing aortic valve disease, although computed tomography and cardiac magnetic resonance are useful additional imaging methods. To date, no medical treatment has been proven to halt the progression of AS. Elucidation of differences and similarities between vascular and valvular calcification pathomechanisms may help to find effective medical therapy and reduce the increasing health burden of the disease.
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Marino F, Scalise M, Salerno N, Salerno L, Molinaro C, Cappetta D, Torella M, Greco M, Foti D, Sasso FC, Mastroroberto P, De Angelis A, Ellison-Hughes GM, Sampaolesi M, Rota M, Rossi F, Urbanek K, Nadal-Ginard B, Torella D, Cianflone E. Diabetes-Induced Cellular Senescence and Senescence-Associated Secretory Phenotype Impair Cardiac Regeneration and Function Independently of Age. Diabetes 2022; 71:1081-1098. [PMID: 35108360 PMCID: PMC9490451 DOI: 10.2337/db21-0536] [Citation(s) in RCA: 33] [Impact Index Per Article: 16.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 01/30/2022] [Indexed: 11/13/2022]
Abstract
Diabetes mellitus (DM) affects the biology of multipotent cardiac stem/progenitor cells (CSCs) and adult myocardial regeneration. We assessed the hypothesis that senescence and senescence-associated secretory phenotype (SASP) are main mechanisms of cardiac degenerative defect in DM. Accordingly, we tested whether ablation of senescent CSCs would rescue the cardiac regenerative/reparative defect imposed by DM. We obtained cardiac tissue from nonaged (50- to 64-year-old) patients with type 2 diabetes mellitus (T2DM) and without DM (NDM) and postinfarct cardiomyopathy undergoing cardiac surgery. A higher reactive oxygen species production in T2DM was associated with an increased number of senescent/dysfunctional T2DM-human CSCs (hCSCs) with reduced proliferation, clonogenesis/spherogenesis, and myogenic differentiation versus NDM-hCSCs in vitro. T2DM-hCSCs showed a defined pathologic SASP. A combination of two senolytics, dasatinib (D) and quercetin (Q), cleared senescent T2DM-hCSCs in vitro, restoring their expansion and myogenic differentiation capacities. In a T2DM model in young mice, diabetic status per se (independently of ischemia and age) caused CSC senescence coupled with myocardial pathologic remodeling and cardiac dysfunction. D + Q treatment efficiently eliminated senescent cells, rescuing CSC function, which resulted in functional myocardial repair/regeneration, improving cardiac function in murine DM. In conclusion, DM hampers CSC biology, inhibiting CSCs' regenerative potential through the induction of cellular senescence and SASP independently from aging. Senolytics clear senescence, abrogating the SASP and restoring a fully proliferative/differentiation-competent hCSC pool in T2DM with normalization of cardiac function.
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Affiliation(s)
- Fabiola Marino
- Department of Experimental and Clinical Medicine, Magna Græcia University, Catanzaro, Italy
- Translational Cardiomyology Laboratory, Stem Cell Biology and Embryology, Department of Development and Regeneration, KU Leuven, Leuven, Belgium
| | - Mariangela Scalise
- Department of Experimental and Clinical Medicine, Magna Græcia University, Catanzaro, Italy
| | - Nadia Salerno
- Department of Medical and Surgical Sciences, Magna Græcia University, Catanzaro, Italy
| | - Luca Salerno
- Department of Experimental and Clinical Medicine, Magna Græcia University, Catanzaro, Italy
| | - Claudia Molinaro
- Department of Medical and Surgical Sciences, Magna Græcia University, Catanzaro, Italy
| | - Donato Cappetta
- Department of Experimental Medicine, Section of Pharmacology, University of Campania “L. Vanvitelli,” Naples, Italy
| | - Michele Torella
- Department of Translational Medicine, University of Campania “L. Vanvitelli,” Naples, Italy
| | - Marta Greco
- Department of Health Sciences, Magna Græcia University, Catanzaro, Italy
| | - Daniela Foti
- Department of Experimental and Clinical Medicine, Magna Græcia University, Catanzaro, Italy
| | - Ferdinando C. Sasso
- Department of Translational Medicine, University of Campania “L. Vanvitelli,” Naples, Italy
| | - Pasquale Mastroroberto
- Department of Experimental and Clinical Medicine, Magna Græcia University, Catanzaro, Italy
| | - Antonella De Angelis
- Department of Experimental Medicine, Section of Pharmacology, University of Campania “L. Vanvitelli,” Naples, Italy
| | - Georgina M. Ellison-Hughes
- Centre for Human and Applied Physiological Sciences and Centre for Stem Cells and Regenerative Medicine, School of Basic and Medical Biosciences, Faculty of Life Sciences and Medicine, King’s College London, London, U.K
| | - Maurilio Sampaolesi
- Translational Cardiomyology Laboratory, Stem Cell Biology and Embryology, Department of Development and Regeneration, KU Leuven, Leuven, Belgium
| | - Marcello Rota
- Department of Physiology, New York Medical College, Valhalla, NY
| | - Francesco Rossi
- Department of Experimental Medicine, Section of Pharmacology, University of Campania “L. Vanvitelli,” Naples, Italy
| | - Konrad Urbanek
- Department of Experimental and Clinical Medicine, Magna Græcia University, Catanzaro, Italy
| | - Bernardo Nadal-Ginard
- Department of Medical and Surgical Sciences, Magna Græcia University, Catanzaro, Italy
| | - Daniele Torella
- Department of Experimental and Clinical Medicine, Magna Græcia University, Catanzaro, Italy
- Corresponding authors: Daniele Torella, , and Eleonora Cianflone,
| | - Eleonora Cianflone
- Department of Medical and Surgical Sciences, Magna Græcia University, Catanzaro, Italy
- Department of Physiology, New York Medical College, Valhalla, NY
- Corresponding authors: Daniele Torella, , and Eleonora Cianflone,
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Regulation of endothelial progenitor cell functions during hyperglycemia: new therapeutic targets in diabetic wound healing. J Mol Med (Berl) 2022; 100:485-498. [PMID: 34997250 DOI: 10.1007/s00109-021-02172-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 11/16/2021] [Accepted: 12/02/2021] [Indexed: 11/09/2022]
Abstract
Diabetes is primarily characterized by hyperglycemia, and its high incidence is often very costly to patients, their families, and national economies. Unsurprisingly, the number and function of endothelial progenitor cells (EPCs) decrease in patients resulting in diabetic wound non-healing. As precursors of endothelial cells (ECs), these cells were discovered in 1997 and found to play an essential role in wound healing. Their function, number, and role in wound healing has been widely investigated. Hitherto, a lot of complex molecular mechanisms have been discovered. In this review, we summarize the mechanisms of how hyperglycemia affects the function and number of EPCs and how the affected cells impact wound healing. We aim to provide a complete summary of the relationship between diabetic hyperglycosemia, EPCs, and wound healing, as well as a better comprehensive platform for subsequent related research.
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Abstract
With the hope of achieving real cardiovascular repair, cell-based therapy raised as a promising strategy for the treatment of cardiovascular disease (CVD) in the past two decades. Various types of cells have been studied for their reparative potential for CVD in the ensuing years. Despite the exciting results from animal experiments, the outcome of clinical trials is unsatisfactory and the development of cell-based therapy for CVD has hit a plateau nowadays. Thus, it is important to summarize the obstacles we are facing in this field in order to explore possible solutions for optimizing cell-based therapy and achieving real clinical application.
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Sublethal concentrations of high glucose prolong mitotic arrest in a spindle assembly checkpoint activity dependent manner in budding yeast. Biologia (Bratisl) 2021. [DOI: 10.1007/s11756-021-00912-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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10
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Xia LZ, Tao J, Chen YJ, Liang LL, Luo GF, Cai ZM, Wang Z. Factors Affecting the Re-Endothelialization of Endothelial Progenitor Cell. DNA Cell Biol 2021; 40:1009-1025. [PMID: 34061680 DOI: 10.1089/dna.2021.0082] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
The vascular endothelium, which plays an essential role in maintaining the normal shape and function of blood vessels, is a natural barrier between the circulating blood and the vascular wall tissue. The endothelial damage can cause vascular lesions, such as atherosclerosis and restenosis. After the vascular intima injury, the body starts the endothelial repair (re-endothelialization) to inhibit the neointimal hyperplasia. Endothelial progenitor cell is the precursor of endothelial cells and plays an important role in the vascular re-endothelialization. However, re-endothelialization is inevitably affected in vivo and in vitro by factors, which can be divided into two types, namely, promotion and inhibition, and act on different links of the vascular re-endothelialization. This article reviews these factors and related mechanisms.
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Affiliation(s)
- Lin-Zhen Xia
- Key Laboratory for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical College, University of South China, Hengyang, China
| | - Jun Tao
- Key Laboratory for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical College, University of South China, Hengyang, China
| | - Yan-Jun Chen
- Key Laboratory for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical College, University of South China, Hengyang, China
| | - Ling-Li Liang
- Key Laboratory for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical College, University of South China, Hengyang, China
| | - Gui-Fang Luo
- Department of Gynaecology, The First Affiliated Hospital of University of South China, Hengyang, China
| | - Ze-Min Cai
- Pediatrics Department, The First Affiliated Hospital of University of South China, Hengyang, China
| | - Zuo Wang
- Key Laboratory for Arteriosclerology of Hunan Province, Institute of Cardiovascular Disease, Hunan International Scientific and Technological Cooperation Base of Arteriosclerotic Disease, Hengyang Medical College, University of South China, Hengyang, China
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11
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Kh S, Haider KH. Stem Cells: A Renewable Source of Pancreatic β-Cells and Future for Diabetes Treatment. Stem Cells 2021. [DOI: 10.1007/978-3-030-77052-5_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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12
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Li Y, Zhi K, Han S, Li X, Li M, Lian W, Zhang H, Zhang X. TUG1 enhances high glucose-impaired endothelial progenitor cell function via miR-29c-3p/PDGF-BB/Wnt signaling. Stem Cell Res Ther 2020; 11:441. [PMID: 33059750 PMCID: PMC7558752 DOI: 10.1186/s13287-020-01958-3] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 09/28/2020] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND Diabetes is associated with the dysfunction of endothelial progenitor cells (EPCs), characterized as impaired angiogenesis, a phenomenon thought to be involved in the development of diabetic foot. lncRNA plays an essential role in microvascular dysfunction and signaling pathways in patients with diabetes. lncRNA taurine upregulated gene 1 (TUG1) participates in angiogenesis in various cells. However, the mechanisms of TUG1 activity in EPCs have not been elucidated. METHODS We isolated and then characterized EPCs from the peripheral blood of mice using immunofluorescence and flow cytometry. Western blot detected the wnt/β-catenin pathway in high glucose-treated EPCs. Bioinformatics analysis predicted a putative binding site for TUG1 on miR-29c-3p. The interactions among TUG1, platelet-derived growth factor-BB (PDGF-BB), and miR-29c-3p were analyzed by luciferase assays. In vivo, diabetic mouse ischemic limb was treated with normal saline or TUG1 overexpression lentiviruses. RESULTS We found that EPC migration, invasion, and tube formation declined after treatment with high glucose, but improved with TUG1 overexpression. Mechanically, wnt/β-catenin pathway and autophagy were involved in the function of TUG1 overexpression in high glucose-treated EPCs. Moreover, TUG1 regulates the PDGF-BB/wnt pathway and function of high glucose-treated EPCs via miR-29c-3p. In vivo, injection of TUG1 lentivirus in a diabetic mouse ischemic limb model stimulated angiogenesis. CONCLUSIONS Our findings suggest that TUG1 restores high glucose-treated EPC function by regulating miR-29c-3p/PDGF-BB/Wnt signaling.
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Affiliation(s)
- Yang Li
- Department of Interventional & Vascular Surgery, Tenth People's Hospital of Tongji University, Shanghai, 200072, China
- Institute of Interventional & Vascular Surgery, Tongji University, Shanghai, 200072, China
| | - Kangkang Zhi
- Department of Vascular and Endovascular Surgery, Changzheng Hospital, Shanghai, 200003, China
| | - Shilong Han
- Department of Interventional & Vascular Surgery, Tenth People's Hospital of Tongji University, Shanghai, 200072, China
- Institute of Interventional & Vascular Surgery, Tongji University, Shanghai, 200072, China
| | - Xue Li
- Department of Interventional & Vascular Surgery, Tenth People's Hospital of Tongji University, Shanghai, 200072, China
- Institute of Interventional & Vascular Surgery, Tongji University, Shanghai, 200072, China
| | - Maoquan Li
- Department of Interventional & Vascular Surgery, Tenth People's Hospital of Tongji University, Shanghai, 200072, China
- Institute of Interventional & Vascular Surgery, Tongji University, Shanghai, 200072, China
| | - Weishuai Lian
- Department of Interventional & Vascular Surgery, Tenth People's Hospital of Tongji University, Shanghai, 200072, China.
- Institute of Interventional & Vascular Surgery, Tongji University, Shanghai, 200072, China.
| | - Haijun Zhang
- Department of Interventional & Vascular Surgery, Tenth People's Hospital of Tongji University, Shanghai, 200072, China.
- Institute of Interventional & Vascular Surgery, Tongji University, Shanghai, 200072, China.
| | - Xiaoping Zhang
- Department of Interventional & Vascular Surgery, Tenth People's Hospital of Tongji University, Shanghai, 200072, China.
- Institute of Interventional & Vascular Surgery, Tongji University, Shanghai, 200072, China.
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13
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Cheng J, Hu W, Zheng F, Wu Y, Li M. hsa_circ_0058092 protects against hyperglycemia‑induced endothelial progenitor cell damage via miR‑217/FOXO3. Int J Mol Med 2020; 46:1146-1154. [PMID: 32705235 PMCID: PMC7387092 DOI: 10.3892/ijmm.2020.4664] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Accepted: 06/04/2020] [Indexed: 12/13/2022] Open
Abstract
Circular RNAs (circRNAs) regulate the expression of genes that are critical for various biological and pathological processes. Previous studies have reported that the expression of hsa_circ_0058092 is decreased in patients with diabetes mellitus (DM); however, the specific role of this circRNA in DM is unknown. In the present study, endothelial progenitor cells (EPCs) were isolated and a decreased hsa_circ_0058092 expression was found under conditions of hyperglycemia (HG). The overexpression of hsa_circ_0058092 protected the EPCs against HG‑induced damage by preserving cell survival, proliferation, migration and angiogenic differentiation. The overexpression of hsa_circ_0058092 also decreased the HG‑induced increase in NADPH‑oxidase proteins and inflammatory cytokines. Further investigation revealed that the overexpression of hsa_circ_0058092 enhanced FOXO3 expression, which was mediated through the interaction with miR‑217. Furthermore, the upregulation of miR‑217 or the downregulation of FOXO3 abolished the protective effects of hsa_circ_0058092 against HG‑induced EPC damage. On the whole, these data suggest that hsa_circ_0058092 acts via the miR‑217/FOXO3 pathway to protect against EPCs HG‑induced damage, and to preserve the migration and angiogenesis of EPCs.
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Affiliation(s)
- Jie Cheng
- Department of Interventional and Vascular Surgery, Tenth People's Hospital of Tongji University, Guangzhou, Guangdong 510405, P.R. China
| | - Weiwei Hu
- Institute of Tropical Medicine, Guangzhou University of Traditional Chinese Medicine, Guangzhou, Guangdong 510405, P.R. China
| | - Fenghui Zheng
- Department of Endocrinology and Metabolism, Tenth People's Hospital of Tongji University, Shanghai 200072, P.R. China
| | - Yongfa Wu
- Department of Interventional and Vascular Surgery, Tenth People's Hospital of Tongji University, Guangzhou, Guangdong 510405, P.R. China
| | - Maoquan Li
- Department of Interventional and Vascular Surgery, Tenth People's Hospital of Tongji University, Guangzhou, Guangdong 510405, P.R. China
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14
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Kaushik K, Das A. TWIST1-Reprogrammed Endothelial Cell Transplantation Potentiates Neovascularization-Mediated Diabetic Wound Tissue Regeneration. Diabetes 2020; 69:1232-1247. [PMID: 32234721 DOI: 10.2337/db20-0138] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 03/23/2020] [Indexed: 11/13/2022]
Abstract
Hypovascularized diabetic nonhealing wounds are due to reduced number and impaired physiology of endogenous endothelial progenitor cell (EPC) population that limits their recruitment and mobilization at the wound site. For enrichment of the EPC repertoire from nonendothelial precursors, abundantly available mesenchymal stromal cells (MSC) were reprogrammed into induced endothelial cells (iEC). We identified cell signaling molecular targets by meta-analysis of microarray data sets. BMP-2 induction leads to the expression of inhibitory Smad 6/7-dependent negative transcriptional regulation of ID1, rendering the latter's reduced binding to TWIST1 during transdifferentiation of Wharton jelly-derived MSC (WJ-MSC) into iEC. TWIST1, in turn, regulates endothelial gene transcription, positively of proangiogenic KDR and negatively, in part, of antiangiogenic SFRP4 Twist1 reprogramming enhanced the endothelial lineage commitment of WJ-MSC and increased the vasculogenic potential of reprogrammed endothelial cells (rEC). Transplantation of stable TWIST1 rEC into a type 1 and 2 diabetic full-thickness splinted wound healing murine model enhanced the microcirculatory blood flow and accelerated the wound tissue regeneration. An increased or decreased colocalization of GFP with KDR/SFRP4 and CD31 in the regenerated diabetic wound bed with TWIST1 overexpression or silencing (piLenti-TWIST1-shRNA-GFP), respectively, further confirmed improved neovascularization. This study depicted the reprogramming of WJ-MSC into rEC using unique transcription factor TWIST1 for an efficacious cell transplantation therapy to induce neovascularization-mediated diabetic wound tissue regeneration.
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Affiliation(s)
- Komal Kaushik
- Department of Applied Biology, Council of Scientific and Industrial Research-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research, Council of Scientific and Industrial Research-Indian Institute of Chemical Technology Campus, Hyderabad, India
| | - Amitava Das
- Department of Applied Biology, Council of Scientific and Industrial Research-Indian Institute of Chemical Technology, Hyderabad, India
- Academy of Scientific and Innovative Research, Council of Scientific and Industrial Research-Indian Institute of Chemical Technology Campus, Hyderabad, India
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15
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Triggle CR, Ding H, Marei I, Anderson TJ, Hollenberg MD. Why the endothelium? The endothelium as a target to reduce diabetes-associated vascular disease. Can J Physiol Pharmacol 2020; 98:415-430. [PMID: 32150686 DOI: 10.1139/cjpp-2019-0677] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Over the past 66 years, our knowledge of the role of the endothelium in the regulation of cardiovascular function and dysfunction has advanced from the assumption that it is a single layer of cells that serves as a barrier between the blood stream and vascular smooth muscle to an understanding of its role as an essential endocrine-like organ. In terms of historical contributions, we pay particular credit to (1) the Canadian scientist Dr. Rudolf Altschul who, based on pathological changes in the appearance of the endothelium, advanced the argument in 1954 that "one is only as old as one's endothelium" and (2) the American scientist Dr. Robert Furchgott, a 1998 Nobel Prize winner in Physiology or Medicine, who identified the importance of the endothelium in the regulation of blood flow. This review provides a brief history of how our knowledge of endothelial function has advanced and now recognize that the endothelium produces a plethora of signaling molecules possessing paracrine, autocrine, and, arguably, systemic hormone functions. In addition, the endothelium is a therapeutic target for the anti-diabetic drugs metformin, glucagon-like peptide I (GLP-1) receptor agonists, and inhibitors of the sodium-glucose cotransporter 2 (SGLT2) that offset the vascular disease associated with diabetes.
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Affiliation(s)
- Chris R Triggle
- Departments of Pharmacology and Medical Education, Weill Cornell Medical College, Doha, Qatar
| | - Hong Ding
- Departments of Pharmacology and Medical Education, Weill Cornell Medical College, Doha, Qatar
| | - Isra Marei
- Departments of Pharmacology and Medical Education, Weill Cornell Medical College, Doha, Qatar
| | - Todd J Anderson
- Department of Cardiac Sciences and Libin Cardiovascular Institute, University of Calgary Cumming School of Medicine, Calgary, AB T2N 4N1, Canada
| | - Morley D Hollenberg
- Inflammation Research Network, Snyder Institute for Chronic Disease, University of Calgary Cumming School of Medicine, Calgary, AB T2N 4N1, Canada.,Department of Physiology and Pharmacology, University of Calgary Cumming School of Medicine, Calgary, AB T2N 4N1, Canada.,Department of Medicine, University of Calgary Cumming School of Medicine, Calgary, AB T2N 4N1, Canada
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16
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Berlanga-Acosta JA, Guillén-Nieto GE, Rodríguez-Rodríguez N, Mendoza-Mari Y, Bringas-Vega ML, Berlanga-Saez JO, García del Barco Herrera D, Martinez-Jimenez I, Hernandez-Gutierrez S, Valdés-Sosa PA. Cellular Senescence as the Pathogenic Hub of Diabetes-Related Wound Chronicity. Front Endocrinol (Lausanne) 2020; 11:573032. [PMID: 33042026 PMCID: PMC7525211 DOI: 10.3389/fendo.2020.573032] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/15/2020] [Accepted: 08/13/2020] [Indexed: 01/10/2023] Open
Abstract
Diabetes is constantly increasing at a rate that outpaces genetic variation and approaches to pandemic magnitude. Skin cells physiology and the cutaneous healing response are progressively undermined in diabetes which predisposes to lower limb ulceration, recidivism, and subsequent lower extremities amputation as a frightened complication. The molecular operators whereby diabetes reduces tissues resilience and hampers the repair mechanisms remain elusive. We have accrued the notion that diabetic environment embraces preconditioning factors that definitively propel premature cellular senescence, and that ulcer cells senescence impair the healing response. Hyperglycemia/oxidative stress/mitochondrial and DNA damage may act as major drivers sculpturing the senescent phenotype. We review here historical and recent evidences that substantiate the hypothesis that diabetic foot ulcers healing trajectory, is definitively impinged by a self-expanding and self-perpetuative senescent cells society that drives wound chronicity. This society may be fostered by a diabetic archetypal secretome that induces replicative senescence in dermal fibroblasts, endothelial cells, and keratinocytes. Mesenchymal stem cells are also susceptible to major diabetic senescence drivers, which accounts for the inability of these cells to appropriately assist in diabetics wound healing. Thus, the use of autologous stem cells has not translated in significant clinical outcomes. Novel and multifaceted therapeutic approaches are required to pharmacologically mitigate the diabetic cellular senescence operators and reduce the secondary multi-organs complications. The senescent cells society and its adjunctive secretome could be an ideal local target to manipulate diabetic ulcers and prevent wound chronification and acute recidivism. This futuristic goal demands harnessing the diabetic wound chronicity epigenomic signature.
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Affiliation(s)
- Jorge A. Berlanga-Acosta
- The Clinical Hospital Chengdu Brain Sciences Institute, University of Electronic Science and Technology of China, Chengdu, China
- Tissue Repair, Wound Healing and Cytoprotection Research Group, Biomedical Research Direction, Center for Genetic Engineering and Biotechnology, Playa, Cuba
| | - Gerardo E. Guillén-Nieto
- The Clinical Hospital Chengdu Brain Sciences Institute, University of Electronic Science and Technology of China, Chengdu, China
- Tissue Repair, Wound Healing and Cytoprotection Research Group, Biomedical Research Direction, Center for Genetic Engineering and Biotechnology, Playa, Cuba
| | - Nadia Rodríguez-Rodríguez
- Tissue Repair, Wound Healing and Cytoprotection Research Group, Biomedical Research Direction, Center for Genetic Engineering and Biotechnology, Playa, Cuba
| | - Yssel Mendoza-Mari
- Tissue Repair, Wound Healing and Cytoprotection Research Group, Biomedical Research Direction, Center for Genetic Engineering and Biotechnology, Playa, Cuba
| | - Maria Luisa Bringas-Vega
- The Clinical Hospital Chengdu Brain Sciences Institute, University of Electronic Science and Technology of China, Chengdu, China
- Cuban Neurosciences Center, Playa, Cuba
| | - Jorge O. Berlanga-Saez
- Applied Mathematics Department, Institute of Mathematics, Federal University of Rio de Janeiro, Rio de Janeiro, Brazil
| | - Diana García del Barco Herrera
- Tissue Repair, Wound Healing and Cytoprotection Research Group, Biomedical Research Direction, Center for Genetic Engineering and Biotechnology, Playa, Cuba
| | - Indira Martinez-Jimenez
- Tissue Repair, Wound Healing and Cytoprotection Research Group, Biomedical Research Direction, Center for Genetic Engineering and Biotechnology, Playa, Cuba
| | | | - Pedro A. Valdés-Sosa
- The Clinical Hospital Chengdu Brain Sciences Institute, University of Electronic Science and Technology of China, Chengdu, China
- Cuban Neurosciences Center, Playa, Cuba
- *Correspondence: Pedro A. Valdés-Sosa
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17
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Kaushik K, Das A. Endothelial progenitor cell therapy for chronic wound tissue regeneration. Cytotherapy 2019; 21:1137-1150. [PMID: 31668487 DOI: 10.1016/j.jcyt.2019.09.002] [Citation(s) in RCA: 54] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 09/20/2019] [Accepted: 09/24/2019] [Indexed: 02/07/2023]
Abstract
Despite advancements in wound care, healing of chronic diabetic wounds remains a great challenge for the clinical fraternity because of the intricacies of the healing process. Due to the limitations of existing treatment strategies for chronic wounds, stem/progenitor cell transplantation therapies have been explored as an alternative for tissue regeneration at the wound site. The non-healing phenotype of chronic wounds is directly associated with lack of vascularization. Therefore, endothelial progenitor cell (EPC) transplantation is proving to be a promising approach for the treatment of hypo-vascular chronic wounds. With the existing knowledge in EPC biology, significant efforts have been made to enrich EPCs at the chronic wound site, generating EPCs from somatic cells, induced pluripotent stem cells (iPSCs) using transcription factors, or from adult stem cells using chemicals/drugs for use in transplantation, as well as modulating the endogenous dysfunctional/compromised EPCs under diabetic conditions. This review mainly focuses on the pre-clinical and clinical approaches undertaken to date with EPC-based translational therapy for chronic diabetic as well as non-diabetic wounds to evaluate their vascularity-mediated regeneration potential.
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Affiliation(s)
- Komal Kaushik
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-IICT Campus, Hyderabad, India
| | - Amitava Das
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Uppal Road, Tarnaka, Hyderabad, India; Academy of Scientific and Innovative Research (AcSIR), CSIR-IICT Campus, Hyderabad, India.
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18
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MicroRNA-423 may regulate diabetic vasculopathy. Clin Exp Med 2019; 19:469-477. [PMID: 31422516 DOI: 10.1007/s10238-019-00573-8] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2019] [Accepted: 08/03/2019] [Indexed: 02/07/2023]
Abstract
To test the hypothesis that microRNAs may play a role in diabetic retinopathy, we measured the levels of different markers [microRNAs, vascular endothelial growth factor (VEGF), nitric oxide (NO), and total antioxidant capacity (TAO)] in patients with type 2 diabetes mellitus (T2DM) and microvascular complications. Sixty-nine patients were recruited: 22 healthy subjects, ten T2DM patients without retinopathy, 22 with nonproliferative diabetic retinopathy, and 15 with proliferative diabetic retinopathy (PDR). Serum levels of NO, VEGF, TAO and 16 candidate microRNAs were measured. Additionally, the mRNA levels of endothelial nitric oxide synthase (eNOS), induced NOS (iNOS), C reactive protein (CRP), VEGF, tumor necrosis factor α (TNFα), PON2, p22, and SOD2 were measured in human vascular endothelial cells cultured in the presence of pooled sera from the subject groups. Plasma miR-423 levels showed a significant ~ twofold decrease in patients with PDR compared to controls. P lasma NO levels were significantly higher in retinopathy, VEGF levels were significantly lower, and TAO was significantly decreased. eNOS mRNA levels were lower in the cells of T2DM patients without retinopathy, but higher in PDR. PON2, p22, and SOD2 mRNA levels were all significantly lower in PDR. CRP, TNFα, iNOS, and VEGF mRNA levels showed no significant association with disease status. Lowered miR-423 levels in diabetic patients showed a correlation with VEGF and an inverse correlation between NO and eNOS expression. Our findings suggest a cross talk between miR-423 and VEGF signaling, affecting eNOS function. miR-423 may be involved in the regulation of diabetic vascular retinal proliferation.
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19
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Song JW, Zullo J, Lipphardt M, Dragovich M, Zhang FX, Fu B, Goligorsky MS. Endothelial glycocalyx-the battleground for complications of sepsis and kidney injury. Nephrol Dial Transplant 2019; 33:203-211. [PMID: 28535253 DOI: 10.1093/ndt/gfx076] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 03/22/2017] [Indexed: 12/15/2022] Open
Abstract
After briefly discussing endothelial glycocalyx and its role in vascular physiology and renal disease, this overview focuses on its degradation very early in the course of microbial sepsis. We describe our recently proposed mechanism for glycocalyx degradation induced by exocytosis of lysosome-related organelles and release of their cargo. Notably, an intermediate in nitric oxide synthesis, NG-hydroxy-l-arginine, shows efficacy in curtailing exocytosis of these organelles and improvement in animal survival. These data not only depict a novel mechanism responsible for very early glycocalyx degradation, but may also outline a potential preventive therapy. The second issue discussed in this article is related to the therapeutic acceleration of restoration of already degraded endothelial glycocalyx. Here, using as an example our recent findings obtained with sulodexide, we illustrate the importance of the expedited repair of degraded endothelial glycocalyx for the survival of animals with severe sepsis. These two focal points of the review on glycocalyx may not only have broader disease applicability, but they may also provide additional evidence to buttress the idea of the importance of endothelial glycocalyx and its maintenance and repair in the prevention and treatment of an array of renal and nonrenal diseases.
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Affiliation(s)
- Jong Wook Song
- Renal Research Institute, Departments of Medicine, Pharmacology and Physiology, New York Medical College at Touro University, Valhalla, NY, USA.,Department of Anesthesiology and Pain Medicine, Yonsei University College of Medicine, Seoul, South Korea
| | - Joseph Zullo
- Renal Research Institute, Departments of Medicine, Pharmacology and Physiology, New York Medical College at Touro University, Valhalla, NY, USA
| | - Mark Lipphardt
- Renal Research Institute, Departments of Medicine, Pharmacology and Physiology, New York Medical College at Touro University, Valhalla, NY, USA.,Department of Nephrology and Rheumatology, Göttingen University Medical Center, Georg August University, Göttingen, Germany
| | - Matthew Dragovich
- Department of Mechanical Engineering and Mechanics, and Bioengineering Program, Lehigh University, Bethlehem, PA, USA
| | - Frank X Zhang
- Department of Mechanical Engineering and Mechanics, and Bioengineering Program, Lehigh University, Bethlehem, PA, USA
| | - Bingmei Fu
- Department of Biomedical Engineering, City College of the City University of New York, New York, USA
| | - Michael S Goligorsky
- Renal Research Institute, Departments of Medicine, Pharmacology and Physiology, New York Medical College at Touro University, Valhalla, NY, USA
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20
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Cycloxygenase-2 inhibition potentiates trans-differentiation of Wharton's jelly–mesenchymal stromal cells into endothelial cells: Transplantation enhances neovascularization-mediated wound repair. Cytotherapy 2019; 21:260-273. [DOI: 10.1016/j.jcyt.2019.01.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2018] [Revised: 12/23/2018] [Accepted: 01/12/2019] [Indexed: 01/08/2023]
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21
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Hu L, Dai SC, Luan X, Chen J, Cannavicci A. Dysfunction and Therapeutic Potential of Endothelial Progenitor Cells in Diabetes Mellitus. J Clin Med Res 2018; 10:752-757. [PMID: 30214646 PMCID: PMC6134996 DOI: 10.14740/jocmr3581w] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Accepted: 08/16/2018] [Indexed: 12/25/2022] Open
Abstract
Diabetes mellitus (DM) is a chronic, multifactorial metabolic disease whereby insulin deficiency or resistance results in hyperglycemia. Endothelial cells (ECs) form the innermost layer of the blood vessel and produce and release a variety of vasoactive substances and growth factors to regulate vascular homeostasis and angiogenesis. Hyperglycemia and insulin resistance can cause endothelial dysfunction, leading to vascular complications such as coronary artery disease, peripheral arterial disease, diabetic nephropathy, neuropathy and retinopathy. The detrimental effect exerted on ECs by hyperglycemia and insulin resistance underlines the importance of reparatory mechanisms in DM. Endothelial progenitor cells (EPCs), derived from bone marrow, have been recognized as endogenous cells involved in endothelial repair and new blood vessel formation. Initially isolated from a subset of circulating CD34+ mononuclear cells, EPCs were found to possess the ability to differentiate into ECs when cultured in vitro and incorporate into newly formed vessels upon transplantation in animal models of ischemia. Due to the low frequency of CD34+ cells in circulation, the vast majority of studies investigating EPC actions have used cells that are generated through the culture of peripheral blood mononuclear cells (PBMNCs) for 4 - 7 days in endothelial selective medium. These cells, mainly of myeloid hematopoietic cell origin, were termed “Early EPCs,” of which, few expressed stem/progenitor-cell markers. Therefore, early EPCs were also termed “myeloid angiogenic cells” (MACs). When PBMNCs are cultured for over 2 weeks, early EPCs gradually diminish while so-called late EPCs appear. Late EPCs share phenotypic features with mature ECs and are therefore also termed blood-derived ECs; they will not be addressed in this review. MAC dysfunction has been observed in a variety of disease conditions including DM. In this article we review the activities and therapeutic potential of MACs in DM. We will interchangeably use “EPCs” and “MACs” to refer to the cells procured by culture of PBMNCs in EC selective medium for approximately 7 days.
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Affiliation(s)
- Lidong Hu
- Department of Endocrinology, The First People's Hospital of Foshan, Foshan 528000, Guangdong, China
| | - Si-Cheng Dai
- Medical Sciences Program, Western University, London, ON, Canada.,Keenan Research Center for Biomedical Science, St. Michael's Hospital, University of Toronto, Toronto, ON, Canada
| | - Xiaojun Luan
- Department of Endocrinology, The First People's Hospital of Foshan, Foshan 528000, Guangdong, China
| | - Jingsong Chen
- Department of Endocrinology, The First People's Hospital of Foshan, Foshan 528000, Guangdong, China
| | - Anthony Cannavicci
- Keenan Research Center for Biomedical Science, St. Michael's Hospital, University of Toronto, Toronto, ON, Canada
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22
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van Rhijn-Brouwer FCC, Gremmels H, Fledderus JO, Verhaar MC. Mesenchymal Stromal Cell Characteristics and Regenerative Potential in Cardiovascular Disease: Implications for Cellular Therapy. Cell Transplant 2018; 27:765-785. [PMID: 29895169 PMCID: PMC6047272 DOI: 10.1177/0963689717738257] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Administration of mesenchymal stromal cells (MSCs) is a promising strategy to treat cardiovascular disease (CVD). As progenitor cells may be negatively affected by both age and comorbidity, characterization of MSC function is important to guide decisions regarding use of allogeneic or autologous cells. Definitive answers on which factors affect MSC function can also aid in selecting which MSC donors would yield the most therapeutically efficacious MSCs. Here we provide a narrative review of MSC function in CVD based on a systematic search. A total of 41 studies examining CVD-related MSC (dys)function were identified. These data show that MSC characteristics and regenerative potential are often affected by CVD. However, studies presented conflicting results, and directed assessment of MSC parameters relevant to regenerative medicine applications was lacking in many studies. The predictive ability of in vitro assays for in vivo efficacy was rarely assessed. There was no correlation between quality of study reporting and study findings. Age mismatch was also not associated with study findings or effect size. Future research should focus on assays that assess regenerative potential in MSCs and parameters that relate to clinical success.
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Affiliation(s)
- F C C van Rhijn-Brouwer
- 1 Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - H Gremmels
- 1 Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - J O Fledderus
- 1 Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
| | - M C Verhaar
- 1 Department of Nephrology and Hypertension, University Medical Center Utrecht, Utrecht, The Netherlands
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23
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Endothelial progenitor cells in a patient with Cushing's syndrome before and after adrenal surgery. JOURNAL OF CLINICAL AND TRANSLATIONAL ENDOCRINOLOGY CASE REPORTS 2018. [DOI: 10.1016/j.jecr.2018.02.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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24
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Decreased Count and Dysfunction of Circulating EPCs in Postmenopausal Hypercholesterolemic Females via Reducing NO Production. Stem Cells Int 2018; 2018:2543847. [PMID: 29760721 PMCID: PMC5924981 DOI: 10.1155/2018/2543847] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2017] [Accepted: 02/14/2018] [Indexed: 12/27/2022] Open
Abstract
Endothelial progenitor cells (EPCs) contribute to the endogenous endothelial repair program during hypercholesterolemia. EPC count and migratory and proliferative capacities remain unchanged in the premenopausal female with hypercholesterolemia. However, the changes of count and activity of circulating EPCs in the hypercholesterolemic postmenopausal females are unknown. Here, we find that the migratory and proliferative capacities of circulating EPCs were decreased in patients with hypercholesterolemia versus normocholesterolemia. No significant differences were found between postmenopausal females and age-matched males. NO production showed positive correlation with the activity and count of circulating EPCs in patients with hypercholesterolemia. Flow-mediated dilatation (FMD) is directly interrelated with EPC counts and function. Our findings reveal that decreased EPC count and endothelial dysfunction lead to less NO production in hypercholesterolemic postmenopausal females. Maintaining the EPC numbers and activity might be emerging as a potential therapeutic strategy to reduce the risk of cardiovascular injury in elder women.
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25
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Peng BY, Dubey NK, Mishra VK, Tsai FC, Dubey R, Deng WP, Wei HJ. Addressing Stem Cell Therapeutic Approaches in Pathobiology of Diabetes and Its Complications. J Diabetes Res 2018; 2018:7806435. [PMID: 30046616 PMCID: PMC6036791 DOI: 10.1155/2018/7806435] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2018] [Revised: 04/19/2018] [Accepted: 05/27/2018] [Indexed: 12/14/2022] Open
Abstract
High morbidity and mortality of diabetes mellitus (DM) throughout the human population is a serious threat which needs to be addressed cautiously. Type 1 diabetes mellitus (T1DM) and type 2 diabetes mellitus (T2DM) are most prevalent forms. Disruption in insulin regulation and resistance leads to increased formation and accumulation of advanced end products (AGEs), which further enhance oxidative and nitrosative stress leading to microvascular (retinopathy, neuropathy, and nephropathy) and macrovascular complications. These complications affect the normal function of organ and tissues and may cause life-threatening disorders, if hyperglycemia persists and improperly controlled. Current and traditional treatment procedures are only focused on to regulate the insulin level and do not cure the diabetic complications. Pancreatic transplantation seemed a viable alternative; however, it is limited due to lack of donors. Cell-based therapy such as stem cells is considered as a promising therapeutic agent against DM and diabetic complications owing to their multilineage differentiation and regeneration potential. Previous studies have demonstrated the various impacts of both pluripotent and multipotent stem cells on DM and its micro- and macrovascular complications. Therefore, this review summarizes the potential of stem cells to treat DM and its related complications.
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Affiliation(s)
- Bou-Yue Peng
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei City 110, Taiwan
- Department of Dentistry, Taipei Medical University Hospital, Taipei City 110, Taiwan
| | - Navneet Kumar Dubey
- Ceramics and Biomaterials Research Group, Advanced Institute of Materials Science, Ton Duc Thang University, Ho Chi Minh City, Vietnam
- Faculty of Applied Sciences, Ton Duc Thang University, Ho Chi Minh City, Vietnam
| | - Viraj Krishna Mishra
- Applied Biotech Engineering Centre (ABEC), Department of Biotechnology, Ambala College of Engineering and Applied Research, Ambala, India
| | - Feng-Chou Tsai
- Department of Stem Cell Research, Cosmetic Clinic Group, Taipei City 110, Taiwan
| | - Rajni Dubey
- Graduate Institute of Food Science and Technology, National Taiwan University, Taipei City 106, Taiwan
| | - Win-Ping Deng
- School of Dentistry, College of Oral Medicine, Taipei Medical University, Taipei City 110, Taiwan
- Stem Cell Research Center, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
- Graduate Institute of Basic Medicine, Fu Jen Catholic University, New Taipei City 242, Taiwan
| | - Hong-Jian Wei
- Stem Cell Research Center, College of Oral Medicine, Taipei Medical University, Taipei, Taiwan
- School of Dental Technology, College of Oral Medicine, Taipei Medical University, Taipei City 110, Taiwan
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26
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Alexandru N, Andrei E, Niculescu L, Dragan E, Ristoiu V, Georgescu A. Microparticles of healthy origins improve endothelial progenitor cell dysfunction via microRNA transfer in an atherosclerotic hamster model. Acta Physiol (Oxf) 2017; 221:230-249. [PMID: 28513999 DOI: 10.1111/apha.12896] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 02/14/2017] [Accepted: 05/12/2017] [Indexed: 12/13/2022]
Abstract
AIM In this study, we aimed: (i) to obtain and functionally characterize the cultures of late endothelial progenitor cells (EPCs) from the animal blood; (ii) to investigate the potential beneficial effects of circulating microparticles (MPs) of healthy origins on EPC dysfunctionality in atherosclerosis as well as involved mechanisms. METHODS Late EPCs were obtained and expanded in culture from peripheral blood isolated from two animal groups: hypertensive-hyperlipidaemic (HH) and control (C) hamsters. In parallel experiments, late EPC cultures from HH were incubated with MPs from C group. RESULTS The results showed that late EPCs display endothelial cell phenotype: (i) have ability to uptake 1,1-dioctadecyl-3,3,3,3 tetramethylindocarbocyanine-labelled acetylated low-density lipoprotein and Ulex europaeus agglutinin lectin-1; (ii) express CD34, CD133, KDR, CD144, vWF, Tie-2. Late EPCs from HH exhibited different morphological and functional characteristics compared to control: (i) are smaller and irregular in shape; (ii) present decreased endothelial surface marker expression; (iii) display reduced proliferation, migration and adhesion; (iv) lose ability to organize themselves into tubular structures and integrate into vascular network; (v) have diminished function of inward rectifier potassium channels. The incubation of late EPCs with MPs improved EPC functionality by miR-10a, miR-21, miR-126, miR-146a, miR-223 transfer and IGF-1 expression activation; the kinetic study of MP incorporation into EPCs demonstrated MP uptake by EPCs followed by the miRNA transfer. CONCLUSION The data reveal that late EPCs from atherosclerotic model exhibit distinctive features and are dysfunctional, and their function recovery can be supported by MP ability to transfer miRNAs. These findings bring a new light on the vascular repair in atherosclerosis.
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Affiliation(s)
- N. Alexandru
- Institute of Cellular Biology and Pathology ‘Nicolae Simionescu’ of the Romanian Academy; Bucharest Romania
| | - E. Andrei
- Institute of Cellular Biology and Pathology ‘Nicolae Simionescu’ of the Romanian Academy; Bucharest Romania
| | - L. Niculescu
- Institute of Cellular Biology and Pathology ‘Nicolae Simionescu’ of the Romanian Academy; Bucharest Romania
| | - E. Dragan
- Institute of Cellular Biology and Pathology ‘Nicolae Simionescu’ of the Romanian Academy; Bucharest Romania
| | - V. Ristoiu
- Faculty of Biology; University of Bucharest; Bucharest Romania
| | - A. Georgescu
- Institute of Cellular Biology and Pathology ‘Nicolae Simionescu’ of the Romanian Academy; Bucharest Romania
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Abstract
Aging endothelial progenitor cells (EPCs) exhibit functional impairment in terms of proliferation, migration and survival. SIRT1 plays an important role in improving EPCs function. MeCP2, another important epigenetic regulator, is involved in regulating many life-related activities such as cell growth, death and senescence. Here we aim to explore the effect of MeCP2 on the functional activities of senescent EPCs and the underlying mechanisms. By using western blot and real-time PCR, we found that the expression levels of MeCP2 were up-regulated and SIRT1 were down-regulated with replicative senescence and H2O2-induced senescence. Through transduction with adenoviral vectors, EPCs overexpressing MeCP2 had significantly reduced EPCs function, and silencing MeCP2 improved EPCs function. In addition, the protein and mRNA levels of SIRT1 were decreased with MeCP2 overexpression and increased with MeCP2 knockdown. Through co-transfection of EPCs with MeCP2 and SIRT1, we observed that SIRT1 could reverse the effects of MeCP2 on EPCs. In summary, our work demonstrated that MeCP2 inhibited SIRT1 in senescent EPCs.
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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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Berezin AE. Endothelial progenitor cells dysfunction and impaired tissue reparation: The missed link in diabetes mellitus development. Diabetes Metab Syndr 2017; 11:215-220. [PMID: 27578620 DOI: 10.1016/j.dsx.2016.08.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Accepted: 08/22/2016] [Indexed: 01/08/2023]
Abstract
Diabetes mellitus (DM) is considered a leading cause of premature cardiovascular (CV) mortality and morbidity in general population and in individuals with known CV disease. Recent animal and clinical studies have shown that reduced number and weak function of endothelial progenitor cells (EPCs) may not only indicate to higher CV risk, but contribute to the impaired heart and vessels reparation in patients with DM. Moreover, EPCs having a protective impact on the vasculature may mediate the functioning of other organs and systems. Therefore, EPCs dysfunction is probably promising target for DM treatment strategy, while the role of restoring of EPCs number and functionality in CV risk diminish and reduce of DM-related complications is not fully clear. The aim of the review is summary of knowledge regarding EPCs dysfunction in DM patients.
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Affiliation(s)
- Alexander E Berezin
- State Medical University of Zaporozhye, 26, Mayakovsky av., Zaporozhye, UA, 69035, Ukraine.
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30
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De Lorenzo A, Moreira AS, Muccillo FB, Assad M, Tibirica EV. Microvascular Function and Endothelial Progenitor Cells in Patients with Severe Hypercholesterolemia and the Familial Hypercholesterolemia Phenotype. Cardiology 2017; 137:231-236. [DOI: 10.1159/000470829] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 02/28/2017] [Indexed: 01/05/2023]
Abstract
Objective: To evaluate endothelial progenitor cells (EPCs) and systemic microvascular function in patients with severe hypercholesterolemia, comparing patients with the definite familial hypercholesterolemia (FH) phenotype (DFH) or probable/possible FH phenotype (PFH). There is a large spectrum of atherosclerotic disease between these two clinical phenotypes of FH, and to acquire further knowledge of the pathophysiology of vascular disease in both is desirable. Methods: Subjects with severe hypercholesterolemia, defined as low-density lipoprotein cholesterol (LDL-C) >190 mg/dL, were classified as DFH or PFH and underwent measurement of the number of EPCs by flow cytometry and evaluation of cutaneous microvascular reactivity using a laser speckle contrast-imaging system with iontophoresis of acethylcholine (ACh) or sodium nitroprusside. EPCs were defined as CD45- or CD45low, CD34+CD133+CD309+ cells. Categorical variables were compared using Fisher test and continuous variables with Student t test or Mann-Whitney test, and a value of p < 0.05 was considered statistically significant. Results: Patients with DFH had higher LDL-C than those with PFH. There was no difference in the median number of EPCs between patients with DFH or PFH, but there was a significant reduction of endothelial-dependent, ACh-induced vasodilatation in the former. Conclusion: Patients with DFH have impaired microvascular endothelial-dependent vasodilatation compared to those with PFH, indicating more severe vascular disease in the former.
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Das SK, Yuan YF, Li MQ. An Overview on Current Issues and Challenges of Endothelial Progenitor Cell-Based Neovascularization in Patients with Diabetic Foot Ulcer. Cell Reprogram 2017; 19:75-87. [PMID: 28266867 DOI: 10.1089/cell.2016.0050] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
Diabetic foot ulcer's impaired wound healing, which leads to the development of chronic non-healing wounds and ultimately amputation, is a major problem worldwide. Although recently endothelial progenitor cell-derived cell therapy has been used as a therapeutic intervention to treat diabetic wounds, thereby promoting neovascularization, the results, however, are not satisfactory. In this article, we have discussed the several steps that are involved in the neovascularization process, which might be impaired during diabetes. In addition, we have also discussed the reported possible interventions to correct these impairments. Thus, we have summarized neovascularization as a process with a coordinated sequence of multiple steps and thus, there is the need of a combined therapeutic approach to achieve better treatment outcomes.
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Affiliation(s)
- Sushant Kumar Das
- Department of Interventional and Vascular Surgery, Shanghai Tenth People's Hospital, Tongji University , Shanghai, People's Republic of China
| | - Yi Feng Yuan
- Department of Interventional and Vascular Surgery, Shanghai Tenth People's Hospital, Tongji University , Shanghai, People's Republic of China
| | - Mao Quan Li
- Department of Interventional and Vascular Surgery, Shanghai Tenth People's Hospital, Tongji University , Shanghai, People's Republic of China
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Roan JN, Cheng HN, Young CC, Lee CJ, Yeh ML, Luo CY, Tsai YS, Lam CF. Exendin-4, a glucagon-like peptide-1 analogue, accelerates diabetic wound healing. J Surg Res 2017; 208:93-103. [DOI: 10.1016/j.jss.2016.09.024] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2016] [Revised: 08/19/2016] [Accepted: 09/09/2016] [Indexed: 10/21/2022]
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Gebhard C, Rhéaume E, Berry C, Brand G, Kernaleguen AE, Théberge-Julien G, Alam MA, Lee CYW, Boileau L, Chabot-Blanchet M, Guertin MC, Lavoie MA, Grégoire J, Ibrahim R, L'Allier P, Tardif JC. Beneficial Effects of Reconstituted High-Density Lipoprotein (rHDL) on Circulating CD34+ Cells in Patients after an Acute Coronary Syndrome. PLoS One 2017; 12:e0168448. [PMID: 28060837 PMCID: PMC5218493 DOI: 10.1371/journal.pone.0168448] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2016] [Accepted: 12/01/2016] [Indexed: 12/16/2022] Open
Abstract
Background High-density lipoproteins (HDL) favorably affect endothelial progenitor cells (EPC). Circulating progenitor cell level and function are impaired in patients with acute coronary syndrome (ACS). This study investigates the short-term effects of reconstituted HDL (rHDL) on circulating progenitor cells in patients with ACS. Methods and Findings The study population consisted of 33 patients with recent ACS: 20 patients from the ERASE trial (randomized to receive 4 weekly intravenous infusions of CSL-111 40 mg/kg or placebo) and 13 additional patients recruited as controls using the same enrolment criteria. Blood was collected from 16 rHDL (CSL-111)-treated patients and 17 controls at baseline and at 6–7 weeks (i.e. 2–3 weeks after the fourth infusion of CSL-111 in ERASE). CD34+ and CD34+/kinase insert domain receptor (KDR+) progenitor cell counts were analyzed by flow cytometry. We found preserved CD34+ cell counts in CSL-111-treated subjects at follow-up (change of 1.6%), while the number of CD34+ cells was reduced (-32.9%) in controls (p = 0.017 between groups). The level of circulating SDF-1 (stromal cell-derived factor-1), a chemokine involved in progenitor cell recruitment, increased significantly (change of 21.5%) in controls, while it remained unchanged in CSL-111-treated patients (p = 0.031 between groups). In vitro exposure to CSL-111 of early EPC isolated from healthy volunteers significantly increased CD34+ cells, reduced early EPC apoptosis and enhanced their migration capacity towards SDF-1. Conclusions The relative increase in circulating CD34+ cells and the low SDF-1 levels observed following rHDL infusions in ACS patients point towards a role of rHDL in cardiovascular repair mechanisms.
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Affiliation(s)
- Catherine Gebhard
- Montreal Heart Institute, Montreal, Quebec, Canada
- Université de Montréal, Montreal, Quebec, Canada
| | - Eric Rhéaume
- Montreal Heart Institute, Montreal, Quebec, Canada
- Université de Montréal, Montreal, Quebec, Canada
| | - Colin Berry
- Montreal Heart Institute, Montreal, Quebec, Canada
- Institute of Cardiovascular and Medical Sciences, University of Glasgow, Glasgow, United Kingdom
| | | | | | | | | | | | - Laurianne Boileau
- Montreal Heart Institute, Montreal, Quebec, Canada
- Université de Montréal, Montreal, Quebec, Canada
| | | | | | - Marc-André Lavoie
- Montreal Heart Institute, Montreal, Quebec, Canada
- Université de Montréal, Montreal, Quebec, Canada
| | - Jean Grégoire
- Montreal Heart Institute, Montreal, Quebec, Canada
- Université de Montréal, Montreal, Quebec, Canada
| | - Réda Ibrahim
- Montreal Heart Institute, Montreal, Quebec, Canada
- Université de Montréal, Montreal, Quebec, Canada
| | - Philippe L'Allier
- Montreal Heart Institute, Montreal, Quebec, Canada
- Université de Montréal, Montreal, Quebec, Canada
| | - Jean-Claude Tardif
- Montreal Heart Institute, Montreal, Quebec, Canada
- Université de Montréal, Montreal, Quebec, Canada
- * E-mail:
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Goligorsky MS. Vascular endothelium in diabetes. Am J Physiol Renal Physiol 2016; 312:F266-F275. [PMID: 27852610 DOI: 10.1152/ajprenal.00473.2016] [Citation(s) in RCA: 59] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Revised: 11/07/2016] [Accepted: 11/07/2016] [Indexed: 01/07/2023] Open
Abstract
Three decades ago a revolutionary idea was born that ascribed to dysfunctional endothelia some manifestations of diabetes, the Steno hypothesis, so named after the Steno Diabetes Center, Gentofte, in Denmark. Here I briefly outline the accomplishments accrued in the past 15 years to buttress this hypothesis. Those include development of novel technological platforms to examine microcirculatory beds, deeper understanding of patterns of microvascular derangement in diabetes, pathophysiology of nitric oxide synthesis and availability, nitrosative and oxidative stress in diabetes, premature senescence of endothelial cells and the role of sirtuin 1 and lysosomal dysfunction in this process, and the state of endothelial glycocalyx and endothelial progenitor cells in diabetes. These pathophysiological findings may yield some therapeutic benefits.
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Affiliation(s)
- Michael S Goligorsky
- Departments of Medicine, Pharmacology, and Physiology, Renal Research Institute, New York Medical College at Touro University, Valhalla, New York
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35
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Wils J, Favre J, Bellien J. Modulating putative endothelial progenitor cells for the treatment of endothelial dysfunction and cardiovascular complications in diabetes. Pharmacol Ther 2016; 170:98-115. [PMID: 27773788 DOI: 10.1016/j.pharmthera.2016.10.014] [Citation(s) in RCA: 57] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Diabetes induces a decrease in the number and function of different pro-angiogenic cell types generically designated as putative endothelial progenitor cells (EPC), which encompasses cells from myeloid origin that act in a paracrine fashion to promote angiogenesis and putative "true" EPC that contribute to endothelial replacement. This not only compromises neovasculogenesis in ischemic tissues but also impairs, at an early stage, the reendotheliziation process at sites of injury, contributing to the development of endothelial dysfunction and cardiovascular complications. Hyperglycemia, insulin resistance and dyslipidemia promote putative EPC dysregulation by affecting the SDF-1/CXCR-4 and NO pathways and the p53/SIRT1/p66Shc axis that contribute to their mobilization, migration, homing and vasculogenic properties. To optimize the clinical management of patients with hypoglycemic agents, statins and renin-angiotensin system inhibitors, which display pleiotropic effects on putative EPC, is a first step to improve their number and angiogenic potential but specific strategies are needed. Among them, mobilizing therapies based on G-CSF, erythropoietin or CXCR-4 antagonism have been developed to increase putative EPC number to treat ischemic diseases with or without prior cell isolation and transplantation. Growth factors, genetic and pharmacological strategies are also evaluated to improve ex vivo cultured EPC function before transplantation. Moreover, pharmacological agents increasing in vivo the bioavailability of NO and other endothelial factors demonstrated beneficial effects on neovascularization in diabetic ischemic models but their effects on endothelial dysfunction remain poorly evaluated. More experiments are warranted to develop orally available drugs and specific agents targeting p66Shc to reverse putative EPC dysfunction in the expected goal of preventing endothelial dysfunction and diabetic cardiovascular complications.
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Affiliation(s)
- Julien Wils
- Department of Pharmacology, Rouen University Hospital, Rouen, France; Institut National de la Santé et de la Recherche Médicale (INSERM) U1096, Rouen, France; University of Rouen, Institute for Research and Innovation in Biomedicine, Rouen, France
| | - Julie Favre
- MITOVASC Institute, Angers, France; Centre National de la Recherche Scientifique (CNRS) UMR 6214, Angers, France; INSERM U1083, Angers, France; University of Angers, Angers, France
| | - Jérémy Bellien
- Department of Pharmacology, Rouen University Hospital, Rouen, France; Institut National de la Santé et de la Recherche Médicale (INSERM) U1096, Rouen, France; University of Rouen, Institute for Research and Innovation in Biomedicine, Rouen, France.
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Li Y, Zhou Q, Pei C, Liu B, Li M, Fang L, Sun Y, Li Y, Meng S. Hyperglycemia and Advanced Glycation End Products Regulate miR-126 Expression in Endothelial Progenitor Cells. J Vasc Res 2016; 53:94-104. [DOI: 10.1159/000448713] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 07/26/2016] [Indexed: 11/19/2022] Open
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Endothelial Progenitor Cells in Diabetic Microvascular Complications: Friends or Foes? Stem Cells Int 2016; 2016:1803989. [PMID: 27313624 PMCID: PMC4903148 DOI: 10.1155/2016/1803989] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 01/05/2016] [Accepted: 04/18/2016] [Indexed: 12/24/2022] Open
Abstract
Despite being featured as metabolic disorder, diabetic patients are largely affected by hyperglycemia-induced vascular abnormality. Accumulated evidence has confirmed the beneficial effect of endothelial progenitor cells (EPCs) in coronary heart disease. However, antivascular endothelial growth factor (anti-VEGF) treatment is the main therapy for diabetic retinopathy and nephropathy, indicating the uncertain role of EPCs in the pathogenesis of diabetic microvascular disease. In this review, we first illustrate how hyperglycemia induces metabolic and epigenetic changes in EPCs, which exerts deleterious impact on their number and function. We then discuss how abnormal angiogenesis develops in eyes and kidneys under diabetes condition, focusing on “VEGF uncoupling with nitric oxide” and “competitive angiopoietin 1/angiopoietin 2” mechanisms that are shared in both organs. Next, we dissect the nature of EPCs in diabetic microvascular complications. After we overview the current EPCs-related strategies, we point out new EPCs-associated options for future exploration. Ultimately, we hope that this review would uncover the mysterious nature of EPCs in diabetic microvascular disease for therapeutics.
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Wu K, Yang Y, Zhong Y, Ammar HM, Zhang P, Guo R, Liu H, Cheng C, Koroscil TM, Chen Y, Liu S, Bihl JC. The effects of microvesicles on endothelial progenitor cells are compromised in type 2 diabetic patients via downregulation of the miR-126/VEGFR2 pathway. Am J Physiol Endocrinol Metab 2016; 310:E828-37. [PMID: 26956185 PMCID: PMC4895450 DOI: 10.1152/ajpendo.00056.2016] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/16/2016] [Accepted: 03/07/2016] [Indexed: 11/22/2022]
Abstract
Our previous study showed that circulating microvesicles (cMVs) of diabetic mice have negative effects on the function of endothelial progenitor cells (EPCs). Whether this is true in diabetic patients deserves further study. In this study, the effects of cMVs and EPC-derived MVs (EPC-MVs) on EPC migration, apoptosis, and reactive oxygen species (ROS) production in healthy controls, well-controlled, and uncontrolled diabetic patients were investigated. The levels of miR-126 and vascular endothelial growth factor receptor 2 (VEGFR2) in cMVs, EPC-MVs, and/or EPCs were analyzed. Moreover, miR-126 inhibitor or mimic was applied to EPCs to modulate the miR-126 level in EPC-MVs. We found the following: 1) the circulating EPC level was reduced but the circulating EPC-MV level increased in uncontrolled diabetic patients; 2) the cMVs and EPC-MVs of healthy controls had beneficial effects on EPCs (migration, apoptosis, ROS), whereas the effects were reversely changed in the cMVs and EPC-MVs of uncontrolled diabetic patients; and 3) the cMVs and EPC-MVs of uncontrolled diabetic patients carried less miR-126 and had downregulated VEGFR2 expression in EPCs. Manipulating the miR-126 level in EPC-MVs with inhibitor or mimic changed their function. The effects of cMVs and EPC-MVs are compromised in diabetes due to the reduction of their carried miR-126, which might provide a therapy target for diabetic vascular complications.
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Affiliation(s)
- Keng Wu
- Clinical Research Center and Department of Cardiology, The Affiliated Hospital of Guangdong Medical College, Zhanjiang, Guangdong, China
| | - Yi Yang
- College of Health Science, Wuhan Sports University, Wuhan, Hubei, China
| | - Yun Zhong
- Guangzhou Institute of Cardiovascular Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; and
| | | | - Peihua Zhang
- Clinical Research Center and Department of Cardiology, The Affiliated Hospital of Guangdong Medical College, Zhanjiang, Guangdong, China
| | - Runmin Guo
- Clinical Research Center and Department of Cardiology, The Affiliated Hospital of Guangdong Medical College, Zhanjiang, Guangdong, China
| | - Hua Liu
- College of Health Science, Wuhan Sports University, Wuhan, Hubei, China
| | - Chuanfang Cheng
- Guangzhou Institute of Cardiovascular Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; and
| | - Thomas M Koroscil
- Department of Internal Medicine, Boonshoft School of Medicine, Wright State University, Dayton, Ohio
| | - Yanfang Chen
- Clinical Research Center and Department of Cardiology, The Affiliated Hospital of Guangdong Medical College, Zhanjiang, Guangdong, China; Department of Pharmacology and Toxicology and Department of Internal Medicine, Boonshoft School of Medicine, Wright State University, Dayton, Ohio
| | - Shiming Liu
- Guangzhou Institute of Cardiovascular Disease, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, Guangdong, China; and
| | - Ji C Bihl
- Clinical Research Center and Department of Cardiology, The Affiliated Hospital of Guangdong Medical College, Zhanjiang, Guangdong, China; Department of Pharmacology and Toxicology and
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Jin P, Li T, Li X, Shen X, Zhao Y. Suppression of oxidative stress in endothelial progenitor cells promotes angiogenesis and improves cardiac function following myocardial infarction in diabetic mice. Exp Ther Med 2016; 11:2163-2170. [PMID: 27284297 PMCID: PMC4887798 DOI: 10.3892/etm.2016.3236] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2014] [Accepted: 01/26/2016] [Indexed: 12/11/2022] Open
Abstract
Myocardial infarction is a major contributor to morbidity and mortality in diabetes, which is characterized by inadequate angiogenesis and consequent poor blood reperfusion in the diabetic ischemic heart. The aim of the present study was to investigate the effect that oxidative stress in endothelial progenitor cells (EPCs) has on cardiac angiogenesis in diabetic mice. EPCs derived from diabetic mice revealed reductions in superoxide dismutase (SOD) expression levels and activity compared with those from normal mice. An endothelial tube formation assay showed that angiogenesis was markedly delayed for diabetic EPCs, compared with normal controls. EPCs subjected to various pretreatments were tested as a cell therapy in a diabetic mouse model of myocardial infarction. Induction of oxidative stress in normal EPCs by H2O2 or small interfering RNA-mediated knockdown of SOD reduced their angiogenic activity in the ischemic myocardium of the diabetic mice. Conversely, cell therapy using EPCs from diabetic mice following SOD gene overexpression or treatment with the antioxidant Tempol normalized their ability to promote angiogenesis. These results indicate that decreased expression levels of SOD in EPCs contribute to impaired angiogenesis. In addition, normalization of diabetic EPCs by ex vivo SOD gene therapy accelerates the ability of the EPCs to promote angiogenesis and improve cardiac function when used as a cell therapy following myocardial infarction in diabetic mice.
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Affiliation(s)
- Peng Jin
- Cardiovascular Center, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Tao Li
- Cardiovascular Center, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Xueqi Li
- Cardiovascular Center, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Xinghua Shen
- Cardiovascular Center, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
| | - Yanru Zhao
- Cardiovascular Center, The Fourth Affiliated Hospital, Harbin Medical University, Harbin, Heilongjiang 150001, P.R. China
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Ahmadian E, Jafari S, Yari Khosroushahi A. Role of angiotensin II in stem cell therapy of cardiac disease. J Renin Angiotensin Aldosterone Syst 2015; 16:702-11. [PMID: 26670032 DOI: 10.1177/1470320315621225] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2015] [Accepted: 09/01/2015] [Indexed: 01/08/2023] Open
Abstract
INTRODUCTION The renin angiotensin system (RAS) is closely related to the cardiovascular system, body fluid regulation and homeostasis. MATERIALS AND METHODS Despite common therapeutic methods, stem cell/progenitor cell therapy is daily increasing as a term of regenerative medicine. RAS and its pharmacological inhibitors are not only involved in physiological and pathological aspects of the cardiovascular system, but also affect the different stages of stem cell proliferation, differentiation and function, via interfering cell signaling pathways. RESULTS This study reviews the new role of RAS, in particular Ang II distinct from other common roles, by considering its regulating impact on the different signaling pathways involved in the cardiac and endothelial tissue, as well as in stem cell transplantation. CONCLUSIONS This review focuses on the impact of stem cell therapy on the cardiovascular system, the role of RAS in stem cell differentiation, and the role of RAS inhibition in cardiac stem cell growth and development.
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Affiliation(s)
- Elham Ahmadian
- Biotechnology Research Center, Tabriz University of Medical Science, Tabriz, Iran Department of Pharmacology and Toxicology, Tabriz University of Medical Science, Tabriz, Iran Student Research Committee, Tabriz University of Medical Science, Tabriz, Iran
| | - Samira Jafari
- Student Research Committee, Tabriz University of Medical Science, Tabriz, Iran Department of Pharmaceutical Nanotechnology, Tabriz University of Medical Science, Tabriz, Iran
| | - Ahmad Yari Khosroushahi
- Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran Department of Pharmacognosy, Tabriz University of Medical Sciences, Tabriz, Iran
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Berezin AE, Kremzer AA, Martovitskaya YV, Samura TA. The effect of angiotensin-2 receptor blocker valsartan on circulating level of endothelial progenitor cells in diabetic patients with asymptomatic coronary artery disease. Diabetes Metab Syndr 2015; 9:305-309. [PMID: 25470647 DOI: 10.1016/j.dsx.2014.04.006] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
BACKGROUND Decreased circulating endothelial progenitor cells (EPCs) are considered as strong and robust biomarkers for the prediction of cardiovascular outcomes in diabetic populations. The perspectives for modulating EPCs levels in T2DM with known coronary artery disease (CAD) with different drugs, affected mechanisms of improving mobilization of EPCs from tissue, are not still understood. AIMS To evaluate an effect of angiotensin-2 receptor blocker valsartan on circulating level of EPCs in diabetic patients with asymptomatic CAD. METHODS The study population was structured retrospectively after determining the CAD by contrast-enhanced spiral computed tomography angiography in 126 asymptomatic subjects. All subjects were distributed into two cohorts depending on daily doses of valsartan given. Low (80-160 mg daily orally) and high doses (240-320 mg daily orally) of valsartan were used and they were adjusted depending on achieving BP level less than 140/80 mmHg. RESULTS The change from baseline in CD34(+) subset cells (frequencies and absolute values) was not significantly different between treatment cohorts. We found a significant increase of circulating level of CD14(+)CD309(+) cells in two patient cohorts. But more prominent change of CD14(+)CD309(+) cells was verified in subjects who were given valsartan in high daily doses when compared with persons who were included into cohort with low daily doses of the drug (1.96% versus 2.59%, respectively; P<0.05). Therefore, both frequencies and absolute values in CD14(+)CD309(+)Tie(2+) were increased significantly in patients who were treated with high doses of valsartan only. CONCLUSION We found positive influence of angiotensin-2 receptor blocker valsartan in escalation doses on bone marrow-derived EPCs phenotyped as CD14(+)CD309(+) and CD14(+)CD309(+)Tie(2+) in T2DM patients with known asymptomatic CAD.
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Affiliation(s)
- Alexander E Berezin
- Internal Medicine Department, State Medical University, Zaporozhye, Ukraine.
| | - Alexander A Kremzer
- Clinical Pharmacology Department, State Medical University, Zaporozhye, Ukraine
| | | | - Tatyana A Samura
- Clinical Pharmacology Department, State Medical University, Zaporozhye, Ukraine
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Xiang L, Mittwede PN, Clemmer JS. Glucose Homeostasis and Cardiovascular Alterations in Diabetes. Compr Physiol 2015; 5:1815-39. [DOI: 10.1002/cphy.c150001] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Ciavarella C, Fittipaldi S, Pedrini S, Vasuri F, Gallitto E, Freyrie A, Stella A, Gostjeva E, Pasquinelli G. In vitro alteration of physiological parameters do not hamper the growth of human multipotent vascular wall-mesenchymal stem cells. Front Cell Dev Biol 2015; 3:36. [PMID: 26090364 PMCID: PMC4455290 DOI: 10.3389/fcell.2015.00036] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2015] [Accepted: 05/15/2015] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Mesenchymal stem cells (MSCs) with multilineage potential and anti-inflammatory property can be isolated from different human tissues, representing promising candidates in regenerative medicine. Despite the common criteria of characterization, many factors contribute to MSC heterogeneity (i.e., tissue origin, coexistence of cell subsets at different stage of differentiation, epigenetic) and no standard methods have been approved to characterize MSCs in cell culture. AIM The present study aimed to test whether MSCs resist adverse chemical and physical culture conditions, surviving MSC subpopulations are endowed with the stemness abilities; to characterize MMP expression in AAA-MSCs under the adverse experimental conditions. METHODS AND RESULTS MSCs enzymatically isolated from human abdominal aortic aneurysm (AAA-MSCs) were exposed to media acidification, hypoxia, starving, drying and hypothermia through the following strategies: (1) low-density seeding in closed flasks; (2) exposure to a chemical hypoxia inducer, cobalt chloride; (3) exposure to a dry environment with growing medium deprivation and culture at 4°C. None of these conditions affected MSC viability and stemness profile, as evidenced by NANOG, OCT-4, and SOX-2 mRNA expression in surviving cells. A significant MMP-9 decrease, especially when AAA-MSCs were exposed to hypothermia, was associated with stress resistant stem cells. CONCLUSIONS AAA-MSCs survive to extremely adverse culture conditions, keeping their morphology and stemness features. Besides MMP-9 role in pathological tissue remodeling, this protease may be related to MSC survival. Future studies on MSCs derived from other tissues will be necessary to refine our culture protocol, which can represent an empirical method to demonstrate MSC stemness, with potential implications for their clinical use.
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Affiliation(s)
- Carmen Ciavarella
- Laboratory of Clinic Pathology, Department of Specialty, Diagnostic and Experimental Medicine (DIMES), S. Orsola-Malpighi Hospital, University of BolognaBologna, Italy
| | - Silvia Fittipaldi
- Laboratory of Clinic Pathology, Department of Specialty, Diagnostic and Experimental Medicine (DIMES), S. Orsola-Malpighi Hospital, University of BolognaBologna, Italy
- Laboratory of Metakaryotic Biology, Department of Biological Engineering, Massachusetts Institute of TechnologyCambridge, MA, USA
| | - Silvia Pedrini
- Laboratory of Clinic Pathology, Department of Specialty, Diagnostic and Experimental Medicine (DIMES), S. Orsola-Malpighi Hospital, University of BolognaBologna, Italy
| | - Francesco Vasuri
- Unit of Surgical Pathology, Department of Specialty, Diagnostic and Experimental Medicine (DIMES), S. Orsola-Malpighi Hospital, University of BolognaBologna, Italy
| | - Enrico Gallitto
- Unit of Vascular Surgery, Department of Specialty, Diagnostic and Experimental Medicine (DIMES), S. Orsola-Malpighi Hospital, University of BolognaBologna, Italy
| | - Antonio Freyrie
- Unit of Vascular Surgery, Department of Specialty, Diagnostic and Experimental Medicine (DIMES), S. Orsola-Malpighi Hospital, University of BolognaBologna, Italy
| | - Andrea Stella
- Unit of Vascular Surgery, Department of Specialty, Diagnostic and Experimental Medicine (DIMES), S. Orsola-Malpighi Hospital, University of BolognaBologna, Italy
| | - Elena Gostjeva
- Laboratory of Metakaryotic Biology, Department of Biological Engineering, Massachusetts Institute of TechnologyCambridge, MA, USA
| | - Gianandrea Pasquinelli
- Unit of Surgical Pathology, Department of Specialty, Diagnostic and Experimental Medicine (DIMES), S. Orsola-Malpighi Hospital, University of BolognaBologna, Italy
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Oxidative stress tolerance of early stage diabetic endothelial progenitor cell. Regen Ther 2015; 1:38-44. [PMID: 31245440 PMCID: PMC6581786 DOI: 10.1016/j.reth.2014.11.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2014] [Revised: 11/01/2014] [Accepted: 11/05/2014] [Indexed: 12/23/2022] Open
Abstract
Introduction One of the causes for poor vasculogenesis of diabetes mellitus (DM) is known to rise from the dysfunction of bone marrow-derived endothelial progenitor cells (BM EPCs). However, the origin of its cause is less understood. We aimed to investigate the effect of oxidative stress in early stage of diabetic BM-EPC and whether its vasculogenic dysfunction is caused by oxidative stress. Methods Bone marrow c-Kit+Sca-1+Lin− (BM-KSL) cells were sorted from control and streptozotocin-induced diabetic C57BL6J mice by flow cytometry. BM-KSLs were then assessed for vasculogenic potential (colony forming assay; EPC-CFA), accumulation of intracellular ROS (CM-H2DCFDA), carbonylated protein (ELISA), anti-oxidative enzymes expression (RT-qPCR) and catalase activity (Amplex Red). Results Compared to control, DM BM-KSL had significantly lower EPC-CFUs in both definitive EPC-CFU and total EPC-CFU (p < 0.05). Interestingly, the oxidative stress level of DM BM-KSL was comparable and was not significantly different to control followed by increased in anti-oxidative enzymes expression and catalase activity. Conclusions Primitive BM-EPCs showed vasculogenic dysfunction in early diabetes. However the oxidative stress is not denoted as the major initiating factor of its cause. Our results suggest that primitive BM-KSL cell has the ability to compensate oxidative stress levels in early diabetes by increasing the expression of anti-oxidative enzymes. Primitive BM-EPC showed EPC-CFU dysfunction in early diabetes. Primitive BM-EPC has the ability to withstand oxidative stress in early diabetes. Early diabetic BM-EPC increased anti-oxidative expression to compensate oxidative stress.
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Himeno T, Kamiya H, Naruse K, Cheng Z, Ito S, Shibata T, Kondo M, Kato J, Okawa T, Fujiya A, Suzuki H, Kito T, Hamada Y, Oiso Y, Isobe K, Nakamura J. Angioblast Derived from ES Cells Construct Blood Vessels and Ameliorate Diabetic Polyneuropathy in Mice. J Diabetes Res 2015; 2015:257230. [PMID: 25977928 PMCID: PMC4419216 DOI: 10.1155/2015/257230] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Revised: 03/24/2015] [Accepted: 03/25/2015] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Although numerous reports addressing pathological involvements of diabetic polyneuropathy have been conducted, a universally effective treatment of diabetic polyneuropathy has not yet been established. Recently, regenerative medicine studies in diabetic polyneuropathy using somatic stem/progenitor cell have been reported. However, the effectiveness of these cell transplantations was restricted because of their functional and numerical impairment in diabetic objects. Here, we investigated the efficacy of treatment for diabetic polyneuropathy using angioblast-like cells derived from mouse embryonic stem cells. METHODS AND RESULTS Angioblast-like cells were obtained from mouse embryonic stem cells and transplantation of these cells improved several physiological impairments in diabetic polyneuropathy: hypoalgesia, delayed nerve conduction velocities, and reduced blood flow in sciatic nerve and plantar skin. Furthermore, pathologically, the capillary number to muscle fiber ratios were increased in skeletal muscles of transplanted hindlimbs, and intraepidermal nerve fiber densities were ameliorated in transplanted plantar skin. Transplanted cells maintained their viabilities and differentiated to endothelial cells and smooth muscle cells around the injection sites. Moreover, several transplanted cells constructed chimeric blood vessels with recipient cells. CONCLUSIONS These results suggest that transplantation of angioblast like cells induced from embryonic stem cells appears to be a novel therapeutic strategy for diabetic polyneuropathy.
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Affiliation(s)
- Tatsuhito Himeno
- Department of Endocrinology and Diabetes, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
- Department of Immunology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Hideki Kamiya
- Department of Chronic Kidney Disease Initiatives, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
- Division of Diabetes, Department of Internal Medicine, Aichi Medical University School of Medicine, 21 Karimata, Yazako, Nagakute, Aichi 480-1195, Japan
- *Hideki Kamiya:
| | - Keiko Naruse
- Department of Internal Medicine, School of Dentistry, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya 464-8650, Japan
| | - Zhao Cheng
- Department of Immunology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Sachiko Ito
- Department of Immunology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Taiga Shibata
- Department of Endocrinology and Diabetes, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Masaki Kondo
- Department of Endocrinology and Diabetes, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
- Department of Immunology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Jiro Kato
- Department of Endocrinology and Diabetes, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Tetsuji Okawa
- Department of Endocrinology and Diabetes, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
- Department of Immunology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Atsushi Fujiya
- Department of Endocrinology and Diabetes, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
- Department of Metabolic Medicine, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Hirohiko Suzuki
- Department of Immunology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Tetsutaro Kito
- Department of Immunology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Yoji Hamada
- Department of Metabolic Medicine, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Yutaka Oiso
- Department of Endocrinology and Diabetes, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Kenichi Isobe
- Department of Immunology, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
| | - Jiro Nakamura
- Department of Endocrinology and Diabetes, Nagoya University Graduate School of Medicine, 65 Tsurumai-cho, Showa-ku, Nagoya 466-8550, Japan
- Division of Diabetes, Department of Internal Medicine, Aichi Medical University School of Medicine, 21 Karimata, Yazako, Nagakute, Aichi 480-1195, Japan
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Lee E, Kim DY, Chung E, Lee EA, Park KS, Son Y. Transplantation of cyclic stretched fibroblasts accelerates the wound-healing process in streptozotocin-induced diabetic mice. Cell Transplant 2014; 23:285-301. [PMID: 24622376 DOI: 10.3727/096368912x663541] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
Mechanical stimulation is a known modulator of survival and proliferation for many cells, including endothelial cells, smooth muscle cells, and bone marrow-derived mesenchymal stem cells. In this study, we found that mechanical strain prevents apoptosis and increases the adhesive ability of dermal fibroblasts in vitro and thus confers the survival advantage in vivo after transplantation of fibroblasts into the full-thickness wound of diabetic mice. Cyclic stretch at a frequency of 0.5 Hz and maximum elongation of 20% stimulates cellular survival mediated by the activation of extracellular signal-regulated kinases (ERKs), c-Jun N-terminal kinases (JNKs), and the serine/threonine kinase Akt (AKT). Stretching of the fibroblasts increases the synthesis of extracellular matrix proteins and the formation of denser focal adhesion structures, both of which are required for fibroblast adhesion. The stretched fibroblasts also upregulate the expression of vascular endothelial growth factor (VEGF) and stromal cell-derived factor-1α (SDF-1α), which enhanced wound healing in vivo. Indeed, preconditioning with mechanical stretch allows better survival of the transplanted fibroblasts, when compared to unstretched control cells, in the wound environment of mice with streptozotocin-induced diabetes and thus accelerates the wound-healing process in these mice.
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Affiliation(s)
- Eunkyung Lee
- Department of Genetic Engineering, College of Life Science and Graduate School of Biotechnology, Kyung Hee University, Yongin, Korea
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Oikonomou D, Kopf S, von Bauer R, Djuric Z, Cebola R, Sander A, Englert S, Vittas S, Hidmark A, Morcos M, Korosoglou G, Nawroth PP, Humpert PM. Influence of insulin and glargine on outgrowth and number of circulating endothelial progenitor cells in type 2 diabetes patients: a partially double-blind, randomized, three-arm unicenter study. Cardiovasc Diabetol 2014; 13:137. [PMID: 25300286 PMCID: PMC4195950 DOI: 10.1186/s12933-014-0137-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Accepted: 09/30/2014] [Indexed: 01/04/2023] Open
Abstract
BACKGROUND Endothelial progenitor cells (EPC) are bone marrow-derived cells which can undergo differentiation into endothelial cells and participate in endothelial repair and angiogenesis. Insulin facilitates this in vitro mediated by the IGF-1 receptor. Clinical trials showed that the number of circulating EPCs is influenced by glucose control and EPC are a predictor of cardiovascular death. To study direct effects of insulin treatment on EPCs in type 2 diabetes patients, add-on basal insulin treatment was compared to an escalation of oral medication aiming at similar glucose control between the groups. METHODS 55 patients with type 2 diabetes (61.6±5.9 years) on oral diabetes medication were randomized in a 2:2:1 ratio in 3 groups. Patients were treated additionally with insulin glargine (n=20), NPH insulin (n=22) or escalated with oral medication (n=13). Number of circulating EPC, EPC-outgrowth, intima media thickness, skin microvascular function and HbA1c were documented at baseline and/or after 4 weeks and 4 months. RESULTS HbA1c at baseline was, 7.3+/-0.7% in the oral group, 7.3+/-0.9% and 7.5+/-0.7% in the glargine and NPH insulin respectively (p=0.713). HbA1c after 4 months decreased to 6.8+/-0.8%, 6.6+/-0.7% and 6.7+/-0.6%, in the oral, glargine and NPH insulin group respectively (p=0.61). FACS analysis showed no difference in number of circulating EPC between the groups after 4 weeks and 4 months. However, the outgrowth of EPCs as detected by colony forming assay was increased in the NPH insulin and glargine groups (29.2+/-6.4 and 29.4+/- 6.7 units respectively) compared to the group on oral medication (23.2+/-6.3, p=0.013) after 4 months of treatment. A significant decrease of IMT from 0.80mm (+/-0.14) at baseline to 0.76mm (+/-0.12) after 4 months could be observed in all patients only (p=0.03) with a trend towards a reduction of IMT after 4 months when all patients on insulin treatment were compared to the oral treatment group (p=0.06). Skin microvascular function revealed no differences between the groups (p=0.74). CONCLUSION The study shows that a 4-month treatment with add-on insulin significantly increases the outgrowth of EPC in patients with type 2 diabetes mellitus. TRIAL REGISTRATION (Clinical Trials Identifier: NCT00523393).
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Affiliation(s)
- Dimitrios Oikonomou
- Department of Medicine I and Clinical Chemistry, University of Heidelberg, Im Neuenheimer Feld 410, Heidelberg, 69120, Germany.
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Ghanian Z, Maleki S, Park S, Sorenson CM, Sheibani N, Ranji M. Organ specific optical imaging of mitochondrial redox state in a rodent model of hereditary hemorrhagic telangiectasia-1. JOURNAL OF BIOPHOTONICS 2014; 7:799-809. [PMID: 23740865 PMCID: PMC4324470 DOI: 10.1002/jbio.201300033] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/24/2013] [Revised: 04/24/2013] [Accepted: 05/13/2013] [Indexed: 05/09/2023]
Abstract
Hereditary Hemorrhagic Telangiectasia-1 (HHT-1) is a vascular disease caused by mutations in the endoglin (Eng)/CD105 gene. The objective of this study was to quantify the oxidative state of a rodent model of HHT-1 using an optical imaging technique. We used a cryofluorescence imaging instrument to quantitatively assess tissue metabolism in this model. Mitochondrial redox ratio (FAD/NADH), FAD RR, was used as a quantitative marker of the metabolic status and was examined in the kidneys, and eyes of wild-type and Eng +/- mice. Kidneys and eyes from wild-type P21, 6W, and 10M old mice showed, respectively, a 9% (±2), 24% (±0.4), 15% (±1), and 23% (±4), 33% (±0.6), and 30% (±2) change in the mean FAD RR compared to Eng +/- mice at the same age. Thus, endoglin haploinsufficiency is associated with less oxidative stress in various organs and mitigation of angiogenesis.
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Affiliation(s)
- Zahra Ghanian
- Department of Electrical Engineering, University of Wisconsin Milwaukee, Milwaukee, WI, USA
| | - Sepideh Maleki
- Department of Electrical Engineering, University of Wisconsin Milwaukee, Milwaukee, WI, USA
| | - SunYoung Park
- Departments of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Christine M. Sorenson
- Departments of Pediatrics, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Nader Sheibani
- Departments of Ophthalmology and Visual Sciences, University of Wisconsin School of Medicine and Public Health, Madison, WI, USA
| | - Mahsa Ranji
- Department of Electrical Engineering, University of Wisconsin Milwaukee, Milwaukee, WI, USA
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Maan ZN, Rodrigues M, Rennert RC, Whitmore A, Duscher D, Januszyk M, Hu M, Whittam AJ, Davis CR, Gurtner GC. Understanding regulatory pathways of neovascularization in diabetes. Expert Rev Endocrinol Metab 2014; 9:487-501. [PMID: 30736211 DOI: 10.1586/17446651.2014.938054] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Abstract
Diabetes mellitus and its associated comorbidities represent a significant health burden worldwide. Vascular dysfunction is the major contributory factor in the development of these comorbidities, which include impaired wound healing, cardiovascular disease and proliferative diabetic retinopathy. While the etiology of abnormal neovascularization in diabetes is complex and paradoxical, the dysregulation of the varied processes contributing to the vascular response are due in large part to the effects of hyperglycemia. In this review, we explore the mechanisms by which hyperglycemia disrupts chemokine expression and function, including the critical hypoxia inducible factor-1 axis. We place particular emphasis on the therapeutic potential of strategies addressing these pathways; as such targeted approaches may one day help alleviate the healthcare burden of diabetic sequelae.
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Affiliation(s)
- Zeshaan N Maan
- a Department of Surgery, Stanford University School of Medicine, 257 Campus Drive West, Hagey Building GK-201, Stanford, CA 94305-5148, USA
| | - Melanie Rodrigues
- a Department of Surgery, Stanford University School of Medicine, 257 Campus Drive West, Hagey Building GK-201, Stanford, CA 94305-5148, USA
| | - Robert C Rennert
- a Department of Surgery, Stanford University School of Medicine, 257 Campus Drive West, Hagey Building GK-201, Stanford, CA 94305-5148, USA
| | - Arnetha Whitmore
- a Department of Surgery, Stanford University School of Medicine, 257 Campus Drive West, Hagey Building GK-201, Stanford, CA 94305-5148, USA
| | - Dominik Duscher
- a Department of Surgery, Stanford University School of Medicine, 257 Campus Drive West, Hagey Building GK-201, Stanford, CA 94305-5148, USA
| | - Michael Januszyk
- a Department of Surgery, Stanford University School of Medicine, 257 Campus Drive West, Hagey Building GK-201, Stanford, CA 94305-5148, USA
| | - Michael Hu
- a Department of Surgery, Stanford University School of Medicine, 257 Campus Drive West, Hagey Building GK-201, Stanford, CA 94305-5148, USA
| | - Alexander J Whittam
- a Department of Surgery, Stanford University School of Medicine, 257 Campus Drive West, Hagey Building GK-201, Stanford, CA 94305-5148, USA
| | - Christopher R Davis
- a Department of Surgery, Stanford University School of Medicine, 257 Campus Drive West, Hagey Building GK-201, Stanford, CA 94305-5148, USA
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António N, Soares A, Fernandes R, Soares F, Lopes A, Carvalheiro T, Paiva A, Providência LA, Gonçalves L, Fontes Ribeiro C. Endothelial progenitor cells in diabetic patients with myocardial infarction - can statins improve their function? Eur J Pharmacol 2014; 741:25-36. [PMID: 25066111 DOI: 10.1016/j.ejphar.2014.07.010] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2014] [Revised: 07/07/2014] [Accepted: 07/09/2014] [Indexed: 11/26/2022]
Abstract
The effect of statins on endothelial progenitor cells (EPCs) function derived from diabetic patients (DMpts) with acute myocardial infarction (AMI) is unknown. In this study we assess the response of early and late EPCs from diabetic versus non-diabetic patients (NDMpts) with AMI to statins. EPCs were obtained from 10 diabetic and 10 age-matched non-diabetic male patients with AMI. For each patient, cultures of early and late EPCs were performed under 4 different conditions: normal glucose concentration (control); high glucose concentration; normal glucose concentration with atorvastatin supplementation and normal glucose concentration with pravastatin supplementation. To compare the effect of these treatments on EPC function in DMpts versus NDMpts, we performed in vitro: EPC colony-forming units (CFU) assay; cell cycle analysis; viability assessment and expression of the surface markers CXCR4, CD133, CD34 and KDR. Under control conditions, CFU numbers were reduced in DMpts-derived EPCs when compared to those of NDMpts (1.4±0.8 vs 2.6±1.2 CFU/well, P=0.021). When early EPCs from DMpts were cultured in the presence of statins, CFU capacity was restored, surmounting that of NDMpts under control conditions. Statins significantly improved viability of early EPCs and delayed the onset of late EPCs senescence, even in cells from DMpts. In addition, statins induced approximately a 2-fold increase in the proportion of late EPCs in S-phase of the cell cycle (P<0.05). Statins have a beneficial effect on both early and late EPCs from DMpts with AMI. Despite the functional impairment of EPCs from DMpts, they exhibit similar responsiveness to statins as equivalent cells from NDMpts.
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Affiliation(s)
- Natália António
- Laboratory of Pharmacology and Experimental Therapeutics, Institute for Biomedical Imaging and Life Sciences, Faculty of Medicine, University of Coimbra, Portugal; Cardiology Department, University Hospital Center of Coimbra, Portugal.
| | - Ana Soares
- Laboratory of Pharmacology and Experimental Therapeutics, Institute for Biomedical Imaging and Life Sciences, Faculty of Medicine, University of Coimbra, Portugal; Center of Ophthalmology and Vision Sciences, Institute for Biomedical Imaging and Life Science, Faculty of Medicine, University of Coimbra, Portugal
| | - Rosa Fernandes
- Laboratory of Pharmacology and Experimental Therapeutics, Institute for Biomedical Imaging and Life Sciences, Faculty of Medicine, University of Coimbra, Portugal; Center of Ophthalmology and Vision Sciences, Institute for Biomedical Imaging and Life Science, Faculty of Medicine, University of Coimbra, Portugal
| | - Francisco Soares
- Cardiology Department, University Hospital Center of Coimbra, Portugal
| | - Ana Lopes
- Blood and Transplantation Center of Coimbra, Portuguese Institute of Blood and Transplantation, Coimbra, Portugal
| | - Tiago Carvalheiro
- Blood and Transplantation Center of Coimbra, Portuguese Institute of Blood and Transplantation, Coimbra, Portugal
| | - Artur Paiva
- Blood and Transplantation Center of Coimbra, Portuguese Institute of Blood and Transplantation, Coimbra, Portugal
| | | | - Lino Gonçalves
- Cardiology Department, University Hospital Center of Coimbra, Portugal
| | - Carlos Fontes Ribeiro
- Laboratory of Pharmacology and Experimental Therapeutics, Institute for Biomedical Imaging and Life Sciences, Faculty of Medicine, University of Coimbra, Portugal
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