1
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Luo Z, Bian Y, Zheng G, Wang H, Yan B, Su W, Dong W, Hu Z, Ding J, Wang A, Li S, Fu W, Xue J. Chemically Modified SDF-1α mRNA Promotes Random Flap Survival by Activating the SDF-1α/CXCR4 Axis in Rats. Front Cell Dev Biol 2021; 9:623959. [PMID: 33614652 PMCID: PMC7890013 DOI: 10.3389/fcell.2021.623959] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2020] [Accepted: 01/14/2021] [Indexed: 12/25/2022] Open
Abstract
Random skin flaps are frequently applied in plastic and reconstructive surgery for patients suffering from soft tissue defects caused by congenital deformities, trauma and tumor resection. However, ischemia and necrosis in distal parts of random skin flaps remains a common challenge that limits the clinical application of this procedure. Recently, chemically modified mRNA (modRNA) was found to have great therapeutic potential. Here, we explored the potential of fibroblasts engineered to express modified mRNAs encoding the stromal cell-derived factor-1α (SDF-1α) to improve vascularization and survival of therapeutic random skin flaps. Our study showed that fibroblasts pre-treated with SDF-1α modRNA have the potential to salvage ischemic skin flaps. Through a detailed analysis, we revealed that a fibroblast SDF-1α modRNA combinatorial treatment dramatically reduced tissue necrosis and significantly promoted neovascularization in random skin flaps compared to that in the control and vehicle groups. Moreover, SDF-1α modRNA transcription in fibroblasts promoted activation of the SDF-1α/CXCR4 pathway, with concomitant inactivation of the MEK/ERK, PI3K/AKT, and JAK2/STAT3 signaling pathways, indicating a possible correlation with cell proliferation and migration. Therefore, fibroblast-mediated SDF-1α modRNA expression represents a promising strategy for random skin flap regeneration.
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Affiliation(s)
- Zucheng Luo
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.,Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China.,The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Yujie Bian
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.,Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China.,The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Gang Zheng
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.,Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China.,The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
| | - Huijing Wang
- Shanghai Children's Medical Center, School of Medicine, Institute of Pediatric Translational Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Bingqian Yan
- Shanghai Children's Medical Center, School of Medicine, Institute of Pediatric Translational Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Wenting Su
- Department of Dermatology, Wenzhou Hospital of Integrated Traditional Chinese and Western Medicine, Wenzhou, China
| | - Wei Dong
- Department of Pediatric Cardiothoracic Surgery, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Zhichao Hu
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.,Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China
| | - Jian Ding
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.,Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China
| | - Anyuan Wang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.,Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China
| | - Shi Li
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.,Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China
| | - Wei Fu
- Shanghai Children's Medical Center, School of Medicine, Institute of Pediatric Translational Medicine, Shanghai Jiao Tong University, Shanghai, China.,Department of Pediatric Cardiothoracic Surgery, Shanghai Children's Medical Center, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,Shanghai Key Laboratory of Tissue Engineering, School of Medicine, Shanghai 9th People's Hospital, Shanghai Jiao Tong University, Shanghai, China
| | - Jixin Xue
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, China.,Zhejiang Provincial Key Laboratory of Orthopaedics, Wenzhou Medical University, Wenzhou, China.,The Second School of Medicine, Wenzhou Medical University, Wenzhou, China
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2
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Molecular Changes Underlying Hypertrophic Scarring Following Burns Involve Specific Deregulations at All Wound Healing Stages (Inflammation, Proliferation and Maturation). Int J Mol Sci 2021; 22:ijms22020897. [PMID: 33477421 PMCID: PMC7831008 DOI: 10.3390/ijms22020897] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2021] [Revised: 01/13/2021] [Accepted: 01/14/2021] [Indexed: 12/14/2022] Open
Abstract
Excessive connective tissue accumulation, a hallmark of hypertrophic scaring, results in progressive deterioration of the structure and function of organs. It can also be seen during tumor growth and other fibroproliferative disorders. These processes result from a wide spectrum of cross-talks between mesenchymal, epithelial and inflammatory/immune cells that have not yet been fully understood. In the present review, we aimed to describe the molecular features of fibroblasts and their interactions with immune and epithelial cells and extracellular matrix. We also compared different types of fibroblasts and their roles in skin repair and regeneration following burn injury. In summary, here we briefly review molecular changes underlying hypertrophic scarring following burns throughout all basic wound healing stages, i.e. during inflammation, proliferation and maturation.
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3
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Bali U, Aydemir I, Keçeci Y, Yoleri L, Tuğlu Mİ. Effects of oxidative stress and apoptosis on vascularity and viability of perforator flaps. Biotech Histochem 2020; 96:526-535. [PMID: 33107764 DOI: 10.1080/10520295.2020.1831066] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
We investigated lateral thoracic and posterior thigh perforator flaps for viability, vascularization, perfusion and apoptosis in a rat model. Wistar albino rats were divided into six groups: lateral thoracic artery perforator flap (LTPF) sham, 3 × 2 cm2 LTPF, 3 × 6 cm2 LTPF, posterior thigh perforator flap (PTPF) sham, 3 × 2 cm2 PTPF, and 3 × 6 cm2 PTPF. Flap viability was determined on postoperative days 1 and 7. On day 7, flaps were photographed and their viability was measured using two-dimensional planimeter paper. Tissue samples were harvested for examination by histology and immunohistochemistry. Viability differences were statistically significant. Epithelial thickness, vascularity and number of fibroblasts were reduced in the 3 × 6 cm2 groups. Neovascularization and apoptosis based on molecular tests were not significantly different among groups. Flap size and location are important factors for closure of surgical or traumatic defects. We suggest that for clinical application, wound complications will occur less frequently with perforators that nourish large areas of flaps.
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Affiliation(s)
- Ulaş Bali
- Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery, Manisa Celal Bayar University, Manisa, Turkey
| | - Işıl Aydemir
- Faculty of Medicine, Department of Histology and Embryology, Niğde Ömer Halisdemir University, Niğde, Turkey
| | - Yavuz Keçeci
- Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery, Manisa Celal Bayar University, Manisa, Turkey
| | - Levent Yoleri
- Faculty of Medicine, Department of Plastic, Reconstructive and Aesthetic Surgery, Manisa Celal Bayar University, Manisa, Turkey
| | - Mehmet İbrahim Tuğlu
- Faculty of Medicine, Department of Histology and Embryology, Manisa Celal Bayar University, Manisa, Turkey
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4
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Endothelial glycocalyx shedding in patients with burns. Burns 2020; 46:386-393. [DOI: 10.1016/j.burns.2019.05.009] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Revised: 04/25/2019] [Accepted: 05/15/2019] [Indexed: 11/21/2022]
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5
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Shpichka A, Butnaru D, Bezrukov EA, Sukhanov RB, Atala A, Burdukovskii V, Zhang Y, Timashev P. Skin tissue regeneration for burn injury. Stem Cell Res Ther 2019; 10:94. [PMID: 30876456 PMCID: PMC6419807 DOI: 10.1186/s13287-019-1203-3] [Citation(s) in RCA: 182] [Impact Index Per Article: 36.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The skin is the largest organ of the body, which meets the environment most directly. Thus, the skin is vulnerable to various damages, particularly burn injury. Skin wound healing is a serious interaction between cell types, cytokines, mediators, the neurovascular system, and matrix remodeling. Tissue regeneration technology remarkably enhances skin repair via re-epidermalization, epidermal-stromal cell interactions, angiogenesis, and inhabitation of hypertrophic scars and keloids. The success rates of skin healing for burn injuries have significantly increased with the use of various skin substitutes. In this review, we discuss skin replacement with cells, growth factors, scaffolds, or cell-seeded scaffolds for skin tissue reconstruction and also compare the high efficacy and cost-effectiveness of each therapy. We describe the essentials, achievements, and challenges of cell-based therapy in reducing scar formation and improving burn injury treatment.
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Affiliation(s)
- Anastasia Shpichka
- Institute for Regenerative Medicine, Sechenov University, Moscow, Russia
| | - Denis Butnaru
- Sechenov Biomedical Science and Technology Park, Sechenov University, Moscow, Russia
| | | | | | - Anthony Atala
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC USA
| | - Vitaliy Burdukovskii
- Baikal Institute of Nature Management, Siberian Branch of the Russian Academy of Sciences, Ulan-Ude, Russia
| | - Yuanyuan Zhang
- Wake Forest Institute for Regenerative Medicine, Wake Forest School of Medicine, Winston-Salem, NC USA
| | - Peter Timashev
- Institute for Regenerative Medicine, Sechenov University, Moscow, Russia
- Research Center “Crystallography and Photonics” RAS, Institute of Photonic Technologies, Troitsk, Moscow, Russia
- Departments of Polymers and Composites, N.N. Semenov Institute of Chemical Physics, Moscow, Russia
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6
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Yucel B, Coruh A, Deniz K. Salvaging the Zone of Stasis in Burns by Pentoxifylline: An Experimental Study in Rats. J Burn Care Res 2019; 40:211-219. [DOI: 10.1093/jbcr/irz005] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Bora Yucel
- Department of Plastic Reconstructive and Aesthetic Surgery, Ministry of Health, Elmali State Hospital, Elmali/Antalya, Turkey
| | - Atilla Coruh
- Medical Faculty, Department of Plastic Surgery, Erciyes University, Kayseri, Turkey
| | - Kemal Deniz
- Medical Faculty, Department of Pathology, Erciyes University, Kayseri, Turkey
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7
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He F, Luo PF, Tang T, Zhang F, Fang H, Ji SZ, Sun Y, Wu GS, Pan BH, Huo ZB, Wang GY, Xia ZF. Targeted release of stromal cell-derived factor-1α by reactive oxygen species-sensitive nanoparticles results in bone marrow stromal cell chemotaxis and homing, and repair of vascular injury caused by electrical burns. PLoS One 2018. [PMID: 29529067 PMCID: PMC5847229 DOI: 10.1371/journal.pone.0194298] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Rapid repair of vascular injury is an important prognostic factor for electrical burns. This repair is achieved mainly via stromal cell-derived factor (SDF)-1α promoting the mobilization, chemotaxis, homing, and targeted differentiation of bone marrow mesenchymal stem cells (BMSCs) into endothelial cells. Forming a concentration gradient from the site of local damage in the circulation is essential to the role of SDF-1α. In a previous study, we developed reactive oxygen species (ROS)-sensitive PPADT nanoparticles containing SDF-1α that could degrade in response to high concentration of ROS in tissue lesions, achieving the goal of targeted SDF-1α release. In the current study, a rat vascular injury model of electrical burns was used to evaluate the effects of targeted release of SDF-1α using PPADT nanoparticles on the chemotaxis of BMSCs and the repair of vascular injury. Continuous exposure to 220 V for 6 s could damage rat vascular endothelial cells, strip off the inner layer, significantly elevate the local level of ROS, and decrease the level of SDF-1α. After injection of Cy5-labeled SDF-1α-PPADT nanoparticles, the distribution of Cy5 fluorescence suggested that SDF-1α was distributed primarily at the injury site, and the local SDF-1α levels increased significantly. Seven days after injury with nanoparticles injection, aggregation of exogenous green fluorescent protein-labeled BMSCs at the injury site was observed. Ten days after injury, the endothelial cell arrangement was better organized and continuous, with relatively intact vascular morphology and more blood vessels. These results showed that SDF-1α-PPADT nanoparticles targeted the SDF-1α release at the site of injury, directing BMSC chemotaxis and homing, thereby promoting vascular repair in response to electrical burns.
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Affiliation(s)
- Fang He
- Department of Burn Surgery, the Second Military Medical University affiliated Changhai Hospital, Shanghai, China
- Department of Burn Surgery, the Nanjing Medical University affiliated Suzhou Hospital, Jiangsu, China
| | - Peng-Fei Luo
- Department of Burn Surgery, the Second Military Medical University affiliated Changhai Hospital, Shanghai, China
| | - Tao Tang
- Department of Burn Surgery, the Second Military Medical University affiliated Changhai Hospital, Shanghai, China
- Department of Surgery, Navy Hospital of PLA, Shanghai, China
| | - Fang Zhang
- Department of Burn Surgery, the Second Military Medical University affiliated Changhai Hospital, Shanghai, China
| | - He Fang
- Department of Burn Surgery, the Second Military Medical University affiliated Changhai Hospital, Shanghai, China
| | - Shi-Zhao Ji
- Department of Burn Surgery, the Second Military Medical University affiliated Changhai Hospital, Shanghai, China
| | - Yu Sun
- Department of Burn Surgery, the Second Military Medical University affiliated Changhai Hospital, Shanghai, China
| | - Guo-Sheng Wu
- Department of Burn Surgery, the Second Military Medical University affiliated Changhai Hospital, Shanghai, China
| | - Bo-Han Pan
- Department of Burn Surgery, the Second Military Medical University affiliated Changhai Hospital, Shanghai, China
| | - Zhi-Bao Huo
- School of Environmental Science and Engineering, Shanghai Jiao Tong University, Shanghai, China
- * E-mail: (ZBH); (GYW); (ZFX)
| | - Guang-Yi Wang
- Department of Burn Surgery, the Second Military Medical University affiliated Changhai Hospital, Shanghai, China
- * E-mail: (ZBH); (GYW); (ZFX)
| | - Zhao-Fan Xia
- Department of Burn Surgery, the Second Military Medical University affiliated Changhai Hospital, Shanghai, China
- * E-mail: (ZBH); (GYW); (ZFX)
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8
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Increased Endothelial Progenitor Cell Number in Early Stage of Endometrial Cancer. Int J Gynecol Cancer 2018; 27:947-952. [PMID: 28498245 DOI: 10.1097/igc.0000000000000961] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
OBJECTIVES It is generally believed that circulating endothelial cells (CECs) and endothelial progenitor cells (EPCs) reflect the state of the endothelium, its injury and/or repair possibilities. In different types of cancers, increased numbers of CECs and EPCs were found, suggesting their participation in cancer angiogenesis. The objective of this study was to determine whether, in the blood circulation of women with early endometrial cancer, CEC and EPC levels differ from those of healthy women of similar age. METHODS For CEC number evaluation, samples of peripheral blood cells of women with endometrial carcinoma and control subjects were labeled with anti-CD31 and anti-CD45 antibodies; for EPCs, with anti-VEGFR2 (vascular-endothelium growth factor receptor 2)/KDR and anti-CD34 antibodies. The CEC and EPC cells were then quantified by flow cytometry. RESULTS Endothelial progenitor cell numbers (CD34, VEGFR2/KDR) in the peripheral blood of women with endometrial carcinoma were significantly augmented as compared with those of control healthy women and CEC numbers (CD31, CD45) were similar in both groups. Cancer patients were divided according to the grading into G1 and G2 groups and according to the stage into International Federation of Gynecology and Obstetrics (FIGO) stage IA and FIGO IB groups. Statistically significant augmented EPC numbers were demonstrated only in G1 and FIGO IA patients. CONCLUSIONS These results strongly suggest new vessel formation from recruited endothelial precursors as being involved mainly at the early stages of tumor progression.
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9
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Row S, Santandreu A, Swartz DD, Andreadis ST. Cell-free vascular grafts: Recent developments and clinical potential. TECHNOLOGY 2017; 5:13-20. [PMID: 28674697 PMCID: PMC5492388 DOI: 10.1142/s2339547817400015] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/11/2023]
Abstract
Recent advances in vascular tissue engineering have led to the development of cell-free grafts that are available off-the-shelf for on demand surgery. Challenges associated with cell-based technologies including cell sourcing, cell expansion and long-term bioreactor culture motivated the development of completely cell-free vascular grafts. These are based on decellularized arteries, decellularized cultured cell-based tissue engineered grafts or biomaterials functionalized with biological signals that promote in situ tissue regeneration. Clinical trials undertaken to demonstrate the applicability of these grafts are also discussed. This comprehensive review summarizes recent developments in vascular graft technologies, with potential applications in coronary artery bypass procedures, lower extremity bypass, vascular injury and trauma, congenital heart diseases and dialysis access shunts, to name a few.
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Affiliation(s)
- Sindhu Row
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Amherst, NY 14260-4200, USA
- Angiograft LLC, Amherst NY
| | - Ana Santandreu
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Amherst, NY 14260-4200, USA
| | | | - Stelios T Andreadis
- Department of Chemical and Biological Engineering, University at Buffalo, The State University of New York, Amherst, NY 14260-4200, USA
- Department of Biomedical Engineering, University at Buffalo, The State University of New York, Amherst, NY 14260-4200, USA
- New York State Center of Excellence in Bioinformatics and Life Sciences, Buffalo, NY
- Angiograft LLC, Amherst NY
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10
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Núñez-Gómez E, Pericacho M, Ollauri-Ibáñez C, Bernabéu C, López-Novoa JM. The role of endoglin in post-ischemic revascularization. Angiogenesis 2016; 20:1-24. [PMID: 27943030 DOI: 10.1007/s10456-016-9535-4] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/16/2016] [Accepted: 11/29/2016] [Indexed: 12/12/2022]
Abstract
Following arterial occlusion, blood vessels respond by forming a new network of functional capillaries (angiogenesis), by reorganizing preexisting capillaries through the recruitment of smooth muscle cells to generate new arteries (arteriogenesis) and by growing and remodeling preexisting collateral arterioles into physiologically relevant arteries (collateral development). All these processes result in the recovery of organ perfusion. The importance of endoglin in post-occlusion reperfusion is sustained by several observations: (1) endoglin expression is increased in vessels showing active angiogenesis/remodeling; (2) genetic endoglin haploinsufficiency in humans causes deficient angiogenesis; and (3) the reduction of endoglin expression by gene disruption or the administration of endoglin-neutralizing antibodies reduces angiogenesis and revascularization. However, the precise role of endoglin in the several processes associated with revascularization has not been completely elucidated and, in some cases, the function ascribed to endoglin by different authors is controversial. The purpose of this review is to organize in a critical way the information available for the role of endoglin in several phenomena (angiogenesis, arteriogenesis and collateral development) associated with post-ischemic revascularization.
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Affiliation(s)
- Elena Núñez-Gómez
- Renal and Cardiovascular Research Unit, Department of Physiology and Pharmacology, University of Salamanca, Salamanca, Spain.,Biomedical Research Institute of Salamanca (IBSAL), Salamanca, Spain
| | - Miguel Pericacho
- Renal and Cardiovascular Research Unit, Department of Physiology and Pharmacology, University of Salamanca, Salamanca, Spain.,Biomedical Research Institute of Salamanca (IBSAL), Salamanca, Spain
| | - Claudia Ollauri-Ibáñez
- Renal and Cardiovascular Research Unit, Department of Physiology and Pharmacology, University of Salamanca, Salamanca, Spain.,Biomedical Research Institute of Salamanca (IBSAL), Salamanca, Spain
| | - Carmelo Bernabéu
- Centro de Investigaciones Biológicas, Spanish National Research Council (CIB, CSIC), Madrid, Spain.,Centro de Investigación Biomédica en Red de Enfermedades Raras (CIBERER), Madrid, Spain
| | - José M López-Novoa
- Renal and Cardiovascular Research Unit, Department of Physiology and Pharmacology, University of Salamanca, Salamanca, Spain. .,Biomedical Research Institute of Salamanca (IBSAL), Salamanca, Spain.
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11
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Siavashi V, Asadian S, Sharifi A, Esmaeilivand M, Norouzinia R, Azadbakht M, Nassiri SM. Circulation Enrichment of Functional Endothelial Progenitor Cells by Infantile Phototherapy. J Cell Biochem 2016; 118:330-340. [DOI: 10.1002/jcb.25640] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2016] [Accepted: 06/28/2016] [Indexed: 12/28/2022]
Affiliation(s)
- Vahid Siavashi
- Department of Clinical Pathology; Faculty of Veterinary Medicine; University of Tehran; Tehran Iran
| | - Simin Asadian
- Imam Reza Hospital; Kermanshah University of Medical Sciences; Kermanshah Iran
| | - Azam Sharifi
- Faculty Member, School of Nahavand Paramedical; Hamadan University of Medical Sciences; Hamadan Iran
| | - Masoumeh Esmaeilivand
- School of Nursing and Midwifery; Kermanshah University of Medical Sciences; Kermanshah Iran
| | - Roohangiz Norouzinia
- Faculty Member, School of Paramedical Sciences; ALborz University of Medical Sciences; Karaj Iran
| | - Mohammad Azadbakht
- Department of Clinical Pathology; Faculty of Veterinary Medicine; University of Tehran; Tehran Iran
| | - Seyed Mahdi Nassiri
- Department of Clinical Pathology; Faculty of Veterinary Medicine; University of Tehran; Tehran Iran
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12
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Banyard DA, Adnani BO, Melkumyan S, Araniego CA, Widgerow AD. Endothelial progenitor cells and burn injury - exploring the relationship. BURNS & TRAUMA 2016; 4:4. [PMID: 27574674 PMCID: PMC4964096 DOI: 10.1186/s41038-016-0028-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/02/2015] [Accepted: 01/13/2016] [Indexed: 12/25/2022]
Abstract
Burn wounds result in varying degrees of soft tissue damage that are typically graded clinically. Recently a key participant in neovascularization, the endothelial progenitor cell, has been the subject of intense cardiovascular research to explore whether it can serve as a biomarker for vascular injury. In this review, we examine the identity of the endothelial progenitor cell as well as the evidence that support its role as a key responder after burn insult. While there is conflicting evidence with regards to the delta of endothelial progenitor cell mobilization and burn severity, it is clear that they play an important role in wound healing. Systematic and controlled studies are needed to clarify this relationship, and whether this population can serve as a biomarker for burn severity.
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Affiliation(s)
- Derek A Banyard
- Department of Plastic Surgery, Center for Tissue Engineering, University of California, Irvine, 200S Manchester Ave, Ste 650, Orange, CA 92868 USA
| | - Blake O Adnani
- Department of Plastic Surgery, Center for Tissue Engineering, University of California, Irvine, 200S Manchester Ave, Ste 650, Orange, CA 92868 USA
| | - Satenik Melkumyan
- Department of Plastic Surgery, Center for Tissue Engineering, University of California, Irvine, 200S Manchester Ave, Ste 650, Orange, CA 92868 USA
| | - Cheryl Ann Araniego
- Department of Plastic Surgery, Center for Tissue Engineering, University of California, Irvine, 200S Manchester Ave, Ste 650, Orange, CA 92868 USA
| | - Alan D Widgerow
- Department of Plastic Surgery, Center for Tissue Engineering, University of California, Irvine, 200S Manchester Ave, Ste 650, Orange, CA 92868 USA
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13
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The Use of Stem Cells in Burn Wound Healing: A Review. BIOMED RESEARCH INTERNATIONAL 2015; 2015:684084. [PMID: 26236731 PMCID: PMC4508388 DOI: 10.1155/2015/684084] [Citation(s) in RCA: 64] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 11/03/2014] [Revised: 01/21/2015] [Accepted: 01/22/2015] [Indexed: 01/15/2023]
Abstract
Burn wound healing involves a series of complex processes which are subject to intensive investigations to improve the outcomes, in particular, the healing time and the quality of the scar. Burn injuries, especially severe ones, are proving to have devastating effects on the affected patients. Stem cells have been recently applied in the field to promote superior healing of the wounds. Not only have stem cells been shown to promote better and faster healing of the burn wounds, but also they have decreased the inflammation levels with less scar progression and fibrosis. This review aims to highlight the beneficial therapeutic effect of stem cells in burn wound healing and to discuss the involved pathways and signaling molecules. The review covers various types of burn wound healing like skin and corneal burns, along with the alternative recent therapies being studied in the field of burn wound healing. The current reflection of the attitudes of people regarding the use of stem cells in burn wound healing is also stated.
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14
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Piatkowski A, Grieb G, Simons D, Bernhagen J, van der Hulst RR. Endothelial progenitor cells--potential new avenues to improve neoangiogenesis and reendothelialization. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2014; 306:43-81. [PMID: 24016523 DOI: 10.1016/b978-0-12-407694-5.00002-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The term endothelial progenitor cell (EPC) was established more than 10 years ago and is used to refer to a group of circulating cells that display endothelial lineage qualities and are able to home to areas of ischemia or vascular injury and to facilitate the repair of damaged blood vessels or develop new vessels as needed. This chapter reviews the current lineage relationships among all the cells called EPC and will clear the terminology used in EPC research. Furthermore, an overview of the clinical and in vitro research, as well as cytokine and drug interactions and potential EPC applications, is given.
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Affiliation(s)
- Andrzej Piatkowski
- Department of Plastic Surgery, academisch ziekenhuis Maastricht, MUMC+, Maastricht, The Netherlands.
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15
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ENDOTHELIAL PROGENITOR CELLS AND RESPONSE TO RANIBIZUMAB IN AGE-RELATED MACULAR DEGENERATION. Retina 2014; 34:1802-10. [DOI: 10.1097/iae.0000000000000147] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
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16
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Ritz U, Spies V, Mehling I, Gruszka D, Rommens PM, Hofmann A. Mobilization of CD34+-progenitor cells in patients with severe trauma. PLoS One 2014; 9:e97369. [PMID: 24826895 PMCID: PMC4020858 DOI: 10.1371/journal.pone.0097369] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Accepted: 04/17/2014] [Indexed: 01/31/2023] Open
Abstract
Circulating CD34+ progenitor cells () gained importance in the field of regenerative medicine due to their potential to home in on injury sites and differentiate into cells of both endothelial and osteogenic lineages. In this study, we analyzed the mobilization kinetics and the numbers of CD34+, CD31+, CD45+, and CD133+ cells in twenty polytrauma patients (n = 13 male, n = 7 female, mean age 46.5±17.2 years, mean injury severity score (ISS) 35.8±12.5 points). In addition, the endothelial differentiation capacity of enriched CD34+cells was assessed by analyzing DiI-ac-LDL/lectin uptake, the expression of endothelial markers, and the morphological characteristics of these cells in Matrigel and spheroid cultures. We found that on days 1, 3, and 7 after a major trauma, the number of CD34+cells increased from 6- up to 12-fold (p<0.0001) over the number of CD34+cells from a control population of healthy, age-matched volunteers. The numbers of CD31+ cells were consistently higher on days 1 (1.4-fold, p<0.01) and 7 (1.3-fold, p<0.01), whereas the numbers of CD133+ cell did not change during the time course of investigation. Expression of endothelial marker molecules in CD34+cells was significantly induced in the polytrauma patients. In addition, we show that the CD34+ cell levels in severely injured patients were not correlated with clinical parameters, such as the ISS score, the acute physiology and chronic health evaluation II score (APACHE II), as well as the sequential organ failure assessment score (SOFA-2). Our results clearly indicate that pro-angiogenic cells are systemically mobilized after polytrauma and that their numbers are sufficient for the development of novel therapeutic models in regenerative medicine.
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Affiliation(s)
- Ulrike Ritz
- BiomaTiCS-Group, University Medical Centre of the Johannes Gutenberg University, Center of Orthopaedic and Trauma Surgery, Mainz, Germany
| | - Volker Spies
- BiomaTiCS-Group, University Medical Centre of the Johannes Gutenberg University, Center of Orthopaedic and Trauma Surgery, Mainz, Germany
| | - Isabella Mehling
- BiomaTiCS-Group, University Medical Centre of the Johannes Gutenberg University, Center of Orthopaedic and Trauma Surgery, Mainz, Germany
| | - Dominik Gruszka
- BiomaTiCS-Group, University Medical Centre of the Johannes Gutenberg University, Center of Orthopaedic and Trauma Surgery, Mainz, Germany
| | - Pol Maria Rommens
- BiomaTiCS-Group, University Medical Centre of the Johannes Gutenberg University, Center of Orthopaedic and Trauma Surgery, Mainz, Germany
| | - Alexander Hofmann
- BiomaTiCS-Group, University Medical Centre of the Johannes Gutenberg University, Center of Orthopaedic and Trauma Surgery, Mainz, Germany
- * E-mail:
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de Boer HC, van Oeveren-Rietdijk AM, Rotmans JI, Dekkers OM, Rabelink TJ, van Zonneveld AJ. Activated platelets correlate with mobilization of naïve CD34(+) cells and generation of CD34(+) /KDR(+) cells in the circulation. A meta-regression analysis. J Thromb Haemost 2013; 11:1583-92. [PMID: 23895310 DOI: 10.1111/jth.12315] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2012] [Indexed: 11/27/2022]
Abstract
BACKGROUND Bone marrow-derived circulating CD34(+) progenitor cells participate in remodeling and repair of the vasculature. Coexpression of the kinase-insert domain-containing receptor (KDR) has been proposed to identify the regenerative capacity. Recently, we provided evidence that the major fraction of circulating CD34(+) /KDR(+) cells is not mobilized from bone marrow, but is generated at sites of vascular injury through interaction with platelets. OBJECTIVES To determine the relationship between platelet activation, the recruitment of naïve CD34(+) cells and the generation of CD34(+) /KDR(+) progenitor cells in a broad range of (patho)physiologic conditions, a detailed meta-regression analysis was conducted. METHODS/RESULTS Twenty-eight conditions were found in which the numbers of CD34(+) and/or CD34(+) /KDR(+) cells and the levels of soluble P-selectin, as a marker for in vivo platelet activation, were documented. To combine heterogeneous data from 214 selected articles, results were standardized to a uniform scale by calculating standardized mean differences (SMDs) obtained from patient and control cohorts. Subsequently, a random-effects meta-regression analysis was performed on pooled SMDs. CONCLUSIONS Our systemic survey supports a model in which activated platelets are a determinant for mobilization of CD34(+) cells from the bone marrow and the generation of CD34(+) /KDR(+) cells in the circulation.
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Affiliation(s)
- H C de Boer
- Department of Nephrology, Leiden University Medical Center, Leiden, The Netherlands.
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18
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Farina JA, Rosique MJ, Rosique RG. Curbing inflammation in burn patients. Int J Inflam 2013; 2013:715645. [PMID: 23762773 PMCID: PMC3671671 DOI: 10.1155/2013/715645] [Citation(s) in RCA: 57] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2013] [Revised: 04/24/2013] [Accepted: 04/26/2013] [Indexed: 12/15/2022] Open
Abstract
Patients who suffer from severe burns develop metabolic imbalances and systemic inflammatory response syndrome (SIRS) which can result in multiple organ failure and death. Research aimed at reducing the inflammatory process has yielded new insight into burn injury therapies. In this review, we discuss strategies used to curb inflammation in burn injuries and note that further studies with high quality evidence are necessary.
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Affiliation(s)
- Jayme A. Farina
- Department of Surgery and Anatomy, Division of Plastic Surgery, School of Medicine of Ribeirão Preto-SP, University of São Paulo, Avenida Bandeirantes 3900, 9.°andar, 14048-900 Ribeirão Preto SP, Brazil
| | - Marina Junqueira Rosique
- Department of Surgery and Anatomy, Division of Plastic Surgery, School of Medicine of Ribeirão Preto-SP, University of São Paulo, Avenida Bandeirantes 3900, 9.°andar, 14048-900 Ribeirão Preto SP, Brazil
| | - Rodrigo G. Rosique
- Department of Surgery and Anatomy, Division of Plastic Surgery, School of Medicine of Ribeirão Preto-SP, University of São Paulo, Avenida Bandeirantes 3900, 9.°andar, 14048-900 Ribeirão Preto SP, Brazil
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19
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Neovascularization in tissue engineering. Cells 2012; 1:1246-60. [PMID: 24710553 PMCID: PMC3901123 DOI: 10.3390/cells1041246] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2012] [Revised: 11/08/2012] [Accepted: 12/05/2012] [Indexed: 01/09/2023] Open
Abstract
A prerequisite for successful tissue engineering is adequate vascularization that would allow tissue engineering constructs to survive and grow. Angiogenic growth factors, alone and in combination, have been used to achieve this, and gene therapy has been used as a tool to enable sustained release of these angiogenic proteins. Cell-based therapy using endothelial cells and their precursors presents an alternative approach to tackling this challenge. These studies have occurred on a background of advancements in scaffold design and assays for assessing neovascularization. Finally, several studies have already attempted to translate research in neovascularization to clinical use in the blossoming field of therapeutic angiogenesis.
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Rignault-Clerc S, Bielmann C, Delodder F, Raffoul W, Waeber B, Liaudet L, Berger MM, Feihl F, Rosenblatt-Velin N. Functional late outgrowth endothelial progenitors isolated from peripheral blood of burned patients. Burns 2012; 39:694-704. [PMID: 23102579 DOI: 10.1016/j.burns.2012.09.027] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2012] [Revised: 09/28/2012] [Accepted: 09/28/2012] [Indexed: 12/30/2022]
Abstract
BACKGROUND Bioengineered skin substitutes are increasingly considered as a useful option for the treatment of full thickness burn injury. Their viability following grafting can be enhanced by seeding the skin substitute with late outgrowth endothelial progenitor cells (EPCs). However, it is not known whether autologous EPCs can be obtained from burned patients shortly after injury. METHODS Late outgrowth EPCs were isolated from peripheral blood sampled obtained from 10 burned patients (extent 19.6±10.3% TBSA) within the first 24h of hospital admission, and from 7 healthy subjects. Late outgrowth EPCs were phenotyped in vitro. RESULTS In comparison with similar cells obtained from healthy subjects, growing colonies from burned patients yielded a higher percentage of EPC clones (46 versus 17%, p=0.013). Furthermore, EPCs from burned patients secreted more vascular endothelial growth factor (VEGF) into the culture medium than did their counterparts from healthy subjects (85.8±56.2 versus 17.6±14pg/mg protein, p=0.018). When injected to athymic nude mice 6h after unilateral ligation of the femoral artery, EPCs from both groups of subjects greatly accelerated the reperfusion of the ischaemic hindlimb and increased the number of vascular smooth muscle cells. CONCLUSIONS The present study supports that, in patients with burns of moderate extension, it is feasible to obtain functional autologous late outgrowth EPCs from peripheral blood. These results constitute a strong incentive to pursue approaches based on using autotransplantation of these cells to improve the therapy of full thickness burns.
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Affiliation(s)
- Stéphanie Rignault-Clerc
- Division de Physiopathologie Clinique, Centre Hospitalier Universitaire Vaudois and University of Lausanne, Switzerland
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Abstract
For 2011, approximately 1746 original research articles in burns were published in English in scientific journals. This article reviews those with the most potential impact on for burn therapeutics and outcomes according to the Editor of one of the major journals (Burns) and his colleague. As done previously, articles were found and divided into these topic areas: epidemiology of injury and burn prevention, wound and scar characterisation, acute care and critical care, inhalation injury, infection, psychological considerations, pain and itching management, rehabilitation and long-term outcomes, and burn reconstruction. Each selected article is mentioned briefly with editorial comment.
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Affiliation(s)
- Steven E Wolf
- Division of Burn, Trauma, and Critical Care, Department of Surgery, University of Texas - Southwestern Medical Center, United States.
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