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van Rhijn-Brouwer FCCC, Wever KE, Kiffen R, van Rhijn JR, Gremmels H, Fledderus JO, Vernooij RWM, Verhaar MC. Systematic review and meta-analysis of the effect of bone marrow-derived cell therapies on hind limb perfusion. Dis Model Mech 2024; 17:dmm050632. [PMID: 38616715 PMCID: PMC11139036 DOI: 10.1242/dmm.050632] [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: 11/27/2023] [Accepted: 04/03/2024] [Indexed: 04/16/2024] Open
Abstract
Preclinical and clinical studies on the administration of bone marrow-derived cells to restore perfusion show conflicting results. We conducted a systematic review and meta-analysis on preclinical studies to assess the efficacy of bone marrow-derived cells in the hind limb ischemia model and identify possible determinants of therapeutic efficacy. In vivo animal studies were identified using a systematic search in PubMed and EMBASE on 10 January 2022. 85 studies were included for systematic review and meta-analysis. Study characteristics and outcome data on relative perfusion were extracted. The pooled mean difference was estimated using a random effects model. Risk of bias was assessed for all included studies. We found a significant increase in perfusion in the affected limb after administration of bone marrow-derived cells compared to that in the control groups. However, there was a high heterogeneity between studies, which could not be explained. There was a high degree of incomplete reporting across studies. We therefore conclude that the current quality of preclinical research is insufficient (low certainty level as per GRADE assessment) to identify specific factors that might improve human clinical trials.
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Affiliation(s)
| | - Kimberley Elaine Wever
- Department of Anaesthesiology, Pain and Palliative Medicine, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Romy Kiffen
- Department of Anaesthesiology, Pain and Palliative Medicine, Radboud University Medical Center, 6525 GA Nijmegen, The Netherlands
| | - Jon-Ruben van Rhijn
- Institute of Life Sciences and Chemistry, HU University of Applied Sciences Utrecht, 3584 CS Utrecht, The Netherlands
| | - Hendrik Gremmels
- Department of Medical Microbiology, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
| | - Joost Ougust Fledderus
- Department of Nephrology and Hypertension, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
| | - Robin Wilhelmus Maria Vernooij
- Department of Nephrology and Hypertension, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
- Julius Center for Health Sciences and Primary Care, University Medical Center Utrecht, Utrecht University, 3584 CX Utrecht, The Netherlands
| | - Marianne Christina Verhaar
- Department of Nephrology and Hypertension, Regenerative Medicine Center Utrecht, University Medical Center Utrecht, 3584 CX Utrecht, The Netherlands
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2
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Catanzano O, Quaglia F, Boateng JS. Wound dressings as growth factor delivery platforms for chronic wound healing. Expert Opin Drug Deliv 2021; 18:737-759. [PMID: 33338386 DOI: 10.1080/17425247.2021.1867096] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Introduction: Years of tissue engineering research have clearly demonstrated the potential of integrating growth factors (GFs) into scaffolds for tissue regeneration, a concept that has recently been applied to wound dressings. The old concept of wound dressings that only take a passive role in wound healing has now been overtaken, and advanced dressings which can take an active part in wound healing, are of current research interest.Areas covered: In this review we will focus on the recent strategies for the delivery of GFs to wound sites with an emphasis on the different approaches used to achieve fine tuning of spatial and temporal concentrations to achieve therapeutic efficacy.Expert opinion: The use of GFs to accelerate wound healing and reduce scar formation is now considered a feasible therapeutic approach in patients with a high risk of infections and complications. The integration of micro - and nanotechnologies into wound dressings could be the key to overcome the inherent instability of GFs and offer adequate control over the release rate. Many investigations have led to encouraging outcomes in various in vitro and in vivo wound models, and it is expected that some of these technologies will satisfy clinical needs and will enter commercialization.
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Affiliation(s)
- Ovidio Catanzano
- Institute for Polymers Composites and Biomaterials (IPCB) - CNR, Pozzuoli, Italy
| | - Fabiana Quaglia
- Drug Delivery Laboratory, Department of Pharmacy, University of Napoli Federico II, Naples, Italy
| | - Joshua S Boateng
- School of Science, Faculty of Engineering and Science, University of Greenwich, Medway, Central Avenue, Chatham Maritime, Kent, UK
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3
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Rojas-Torres M, Jiménez-Palomares M, Martín-Ramírez J, Beltrán-Camacho L, Sánchez-Gomar I, Eslava-Alcon S, Rosal-Vela A, Gavaldá S, Durán-Ruiz MC. REX-001, a BM-MNC Enriched Solution, Induces Revascularization of Ischemic Tissues in a Murine Model of Chronic Limb-Threatening Ischemia. Front Cell Dev Biol 2020; 8:602837. [PMID: 33363160 PMCID: PMC7755609 DOI: 10.3389/fcell.2020.602837] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 11/19/2020] [Indexed: 12/11/2022] Open
Abstract
Background: Bone Marrow Mononuclear Cells (BM-MNC) constitute a promising alternative for the treatment of Chronic Limb-Threatening ischemia (CLTI), a disease characterized by extensive blockade of peripheral arteries, clinically presenting as excruciating pain at rest and ischemic ulcers which may lead to gangrene and amputation. BM-MNC implantation has shown to be efficient in promoting angiogenesis and ameliorating ischemic symptoms in CLTI patients. However, the variability seen between clinical trials makes necessary a further understanding of the mechanisms of action of BM-MNC, and moreover, to improve trial characteristics such as endpoints, inclusion/exclusion criteria or drug product compositions, in order to implement their use as stem-cell therapy. Materials: Herein, the effect of REX-001, a human-BM derived cell suspension enriched for mononuclear cells, granulocytes and CD34+ cells, has been assessed in a murine model of CLTI. In addition, a REX-001 placebo solution containing BM-derived red blood cells (BM-RBCs) was also tested. Thus, 24 h after double ligation of the femoral artery, REX-001 and placebo were administrated intramuscularly to Balb-c nude mice (n:51) and follow-up of ischemic symptoms (blood flow perfusion, motility, ulceration and necrosis) was carried out for 21 days. The number of vessels and vascular diameter sizes were measured within the ischemic tissues to evaluate neovascularization and arteriogenesis. Finally, several cell-tracking assays were performed to evaluate potential biodistribution of these cells. Results: REX-001 induced a significant recovery of blood flow by increasing vascular density within the ischemic limbs, with no cell translocation to other organs. Moreover, cell tracking assays confirmed a decrease in the number of infused cells after 2 weeks post-injection despite on-going revascularization, suggesting a paracrine mechanism of action. Conclusion: Overall, our data supported the role of REX-001 product to improve revascularization and ischemic reperfusion in CLTI.
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Affiliation(s)
- Marta Rojas-Torres
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cádiz, Spain.,Institute of Research and Innovation in Biomedical Sciences of Cadiz (INIBICA), Cádiz, Spain
| | - Margarita Jiménez-Palomares
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cádiz, Spain.,Institute of Research and Innovation in Biomedical Sciences of Cadiz (INIBICA), Cádiz, Spain
| | | | - Lucía Beltrán-Camacho
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cádiz, Spain.,Institute of Research and Innovation in Biomedical Sciences of Cadiz (INIBICA), Cádiz, Spain
| | - Ismael Sánchez-Gomar
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cádiz, Spain.,Institute of Research and Innovation in Biomedical Sciences of Cadiz (INIBICA), Cádiz, Spain
| | - Sara Eslava-Alcon
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cádiz, Spain.,Institute of Research and Innovation in Biomedical Sciences of Cadiz (INIBICA), Cádiz, Spain
| | - Antonio Rosal-Vela
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cádiz, Spain.,Institute of Research and Innovation in Biomedical Sciences of Cadiz (INIBICA), Cádiz, Spain
| | - Sandra Gavaldá
- R&D Department at Rexgenero Biosciences Sociedad Limitada (SL), Seville, Spain
| | - Mª Carmen Durán-Ruiz
- Biomedicine, Biotechnology and Public Health Department, Cádiz University, Cádiz, Spain.,Institute of Research and Innovation in Biomedical Sciences of Cadiz (INIBICA), Cádiz, Spain
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4
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Hassanshahi M, Khabbazi S, Peymanfar Y, Hassanshahi A, Hosseini-Khah Z, Su YW, Xian CJ. Critical limb ischemia: Current and novel therapeutic strategies. J Cell Physiol 2019; 234:14445-14459. [PMID: 30637723 DOI: 10.1002/jcp.28141] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2018] [Accepted: 01/02/2019] [Indexed: 01/24/2023]
Abstract
Critical limb ischemia (CLI) is the advanced stage of peripheral artery disease spectrum and is defined by limb pain or impending limb loss because of compromised blood flow to the affected extremity. Current conventional therapies for CLI include amputation, bypass surgery, endovascular therapy, and pharmacological approaches. Although these conventional therapeutic strategies still remain as the mainstay of treatments for CLI, novel and promising therapeutic approaches such as proangiogenic gene/protein therapies and stem cell-based therapies have emerged to overcome, at least partially, the limitations and disadvantages of current conventional therapeutic approaches. Such novel CLI treatment options may become even more effective when other complementary approaches such as utilizing proper bioscaffolds are used to increase the survival and engraftment of delivered genes and stem cells. Therefore, herein, we address the benefits and disadvantages of current therapeutic strategies for CLI treatment and summarize the novel and promising therapeutic approaches for CLI treatment. Our analyses also suggest that these novel CLI therapeutic strategies show considerable advantages to be used when current conventional methods have failed for CLI treatment.
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Affiliation(s)
- Mohammadhossein Hassanshahi
- School of Pharmacy and Medical Sciences, University of South Australia Cancer Research Institute, University of South Australia, Adelaide, SA, Australia
| | - Samira Khabbazi
- School of Pharmacy and Medical Sciences, University of South Australia Cancer Research Institute, University of South Australia, Adelaide, SA, Australia
| | - Yaser Peymanfar
- School of Pharmacy and Medical Sciences, University of South Australia Cancer Research Institute, University of South Australia, Adelaide, SA, Australia
| | - Alireza Hassanshahi
- Department of Genetics, Faculty of Basic Sciences, Shahrekord Branch, Islamic Azad University, Shahrekord, Iran
| | - Zahra Hosseini-Khah
- Department of Immunology, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Yu-Wen Su
- School of Pharmacy and Medical Sciences, University of South Australia Cancer Research Institute, University of South Australia, Adelaide, SA, Australia
| | - Cory J Xian
- School of Pharmacy and Medical Sciences, University of South Australia Cancer Research Institute, University of South Australia, Adelaide, SA, Australia
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5
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Heher P, Mühleder S, Mittermayr R, Redl H, Slezak P. Fibrin-based delivery strategies for acute and chronic wound healing. Adv Drug Deliv Rev 2018; 129:134-147. [PMID: 29247766 DOI: 10.1016/j.addr.2017.12.007] [Citation(s) in RCA: 80] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2017] [Revised: 10/24/2017] [Accepted: 12/09/2017] [Indexed: 12/17/2022]
Abstract
Fibrin, a natural hydrogel, is the end product of the physiological blood coagulation cascade and naturally involved in wound healing. Beyond its role in hemostasis, it acts as a local reservoir for growth factors and as a provisional matrix for invading cells that drive the regenerative process. Its unique intrinsic features do not only promote wound healing directly via modulation of cell behavior but it can also be fine-tuned to evolve into a delivery system for sustained release of therapeutic biomolecules, cells and gene vectors. To further augment tissue regeneration potential, current strategies exploit and modify the chemical and physical characteristics of fibrin to employ combined incorporation of several factors and their timed release. In this work we show advanced therapeutic approaches employing fibrin matrices in wound healing and cover the many possibilities fibrin offers to the field of regenerative medicine.
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6
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Caicedo D, Díaz O, Devesa P, Devesa J. Growth Hormone (GH) and Cardiovascular System. Int J Mol Sci 2018; 19:ijms19010290. [PMID: 29346331 PMCID: PMC5796235 DOI: 10.3390/ijms19010290] [Citation(s) in RCA: 43] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2017] [Revised: 01/08/2018] [Accepted: 01/12/2018] [Indexed: 01/02/2023] Open
Abstract
This review describes the positive effects of growth hormone (GH) on the cardiovascular system. We analyze why the vascular endothelium is a real internal secretion gland, whose inflammation is the first step for developing atherosclerosis, as well as the mechanisms by which GH acts on vessels improving oxidative stress imbalance and endothelial dysfunction. We also report how GH acts on coronary arterial disease and heart failure, and on peripheral arterial disease, inducing a neovascularization process that finally increases flow in ischemic tissues. We include some preliminary data from a trial in which GH or placebo is given to elderly people suffering from critical limb ischemia, showing some of the benefits of the hormone on plasma markers of inflammation, and the safety of GH administration during short periods of time, even in diabetic patients. We also analyze how Klotho is strongly related to GH, inducing, after being released from the damaged vascular endothelium, the pituitary secretion of GH, most likely to repair the injury in the ischemic tissues. We also show how GH can help during wound healing by increasing the blood flow and some neurotrophic and growth factors. In summary, we postulate that short-term GH administration could be useful to treat cardiovascular diseases.
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Affiliation(s)
- Diego Caicedo
- Department of Angiology and Vascular Surgery, Complejo Hospitalario Universitario de Pontevedra, 36701 Pontevedra, Spain.
| | - Oscar Díaz
- Department of Cardiology, Complejo Hospitalario Universitario de Pontevedra, 36701 Pontevedra, Spain.
| | - Pablo Devesa
- Research and Development, The Medical Center Foltra, 15886 Teo, Spain.
| | - Jesús Devesa
- Scientific Direction, The Medical Center Foltra, 15886 Teo, Spain.
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7
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Lee JS, Choi YS, Cho SW. Decellularized Tissue Matrix for Stem Cell and Tissue Engineering. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1064:161-180. [DOI: 10.1007/978-981-13-0445-3_10] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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8
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Linh NTB, Abueva CDG, Lee BT. Enzymatic in situ formed hydrogel from gelatin-tyramine and chitosan-4-hydroxylphenyl acetamide for the co-delivery of human adipose-derived stem cells and platelet-derived growth factor towards vascularization. ACTA ACUST UNITED AC 2017; 12:015026. [PMID: 28233762 DOI: 10.1088/1748-605x/aa5b6b] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
An injectable, in situ forming hydrogel system capable of co-delivering human adipose-derived stem cells (hADSC) and platelet-derived growth factor (PDGF) was investigated as a new system for tissue engineering, envisaged to support vascularization. The system consists of tyramine-conjugated gelatin and hydroxyphenyl acetamide chitosan derivative. Both are soluble and stable at physiologic conditions, which is a key factor for retaining viable cells and active growth factor. In situ gelation involved enzymatic crosslinking using horseradish peroxidase as a catalyst and hydrogen peroxide as an oxidant. Gel formation occurred within 30-90 s by controlling the concentration of polymers. PDGF release showed adequate release kinetics within the intended period of time and hADSC showed good compatibility with the hydrogel formulation based on the in vitro assay and subcutaneous implantation into BALB/c-nu/nu nude female mice. Immunohistochemical analysis confirmed viability of delivered hADSC. Histological analysis showed no immune reaction and confirmed blood vessel formation. The results implicate the hydrogel as a promising delivery vehicle or carrier of both cell and growth factor, which support vascularization for tissue engineering applications.
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Affiliation(s)
- Nguyen Thuy Ba Linh
- Department of Regenerative Medicine, College of Medicine, Soonchunhyang University, Cheonan, 330-090, Republic of Korea. Institute of Tissue Regeneration, College of Medicine, Soonchunhyang University, Cheonan, 330-090, Republic of Korea
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9
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Grau-Monge C, Delcroix GJR, Bonnin-Marquez A, Valdes M, Awadallah ELM, Quevedo DF, Armour MR, Montero RB, Schiller PC, Andreopoulos FM, D'Ippolito G. Marrow-isolated adult multilineage inducible cells embedded within a biologically-inspired construct promote recovery in a mouse model of peripheral vascular disease. ACTA ACUST UNITED AC 2017; 12:015024. [PMID: 28211362 DOI: 10.1088/1748-605x/aa5a74] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Peripheral vascular disease is one of the major vascular complications in individuals suffering from diabetes and in the elderly that is associated with significant burden in terms of morbidity and mortality. Stem cell therapy is being tested as an attractive alternative to traditional surgery to prevent and treat this disorder. The goal of this study was to enhance the protective and reparative potential of marrow-isolated adult multilineage inducible (MIAMI) cells by incorporating them within a bio-inspired construct (BIC) made of two layers of gelatin B electrospun nanofibers. We hypothesized that the BIC would enhance MIAMI cell survival and engraftment, ultimately leading to a better functional recovery of the injured limb in our mouse model of critical limb ischemia compared to MIAMI cells used alone. Our study demonstrated that MIAMI cell-seeded BIC resulted in a wide range of positive outcomes with an almost full recovery of blood flow in the injured limb, thereby limiting the extent of ischemia and necrosis. Functional recovery was also the greatest when MIAMI cells were combined with BICs, compared to MIAMI cells alone or BICs in the absence of cells. Histology was performed 28 days after grafting the animals to explore the mechanisms at the source of these positive outcomes. We observed that our critical limb ischemia model induces an extensive loss of muscular fibers that are replaced by intermuscular adipose tissue (IMAT), together with a highly disorganized vascular structure. The use of MIAMI cells-seeded BIC prevented IMAT infiltration with some clear evidence of muscular fibers regeneration.
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Affiliation(s)
- Cristina Grau-Monge
- Department of Orthopaedics, University of Miami Miller School of Medicine, FL, United States of America. Geriatric Research, Education, and Clinical Center and Research Service, Bruce W. Carter VAMC, Miami, FL, United States of America
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10
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Harrison IP, Selemidis S. Understanding the biology of reactive oxygen species and their link to cancer: NADPH oxidases as novel pharmacological targets. Clin Exp Pharmacol Physiol 2015; 41:533-42. [PMID: 24738947 DOI: 10.1111/1440-1681.12238] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2013] [Revised: 04/01/2014] [Accepted: 04/02/2014] [Indexed: 12/18/2022]
Abstract
Reactive oxygen species (ROS), the cellular products of myriad physiological processes, have long been understood to lead to cellular damage if produced in excess and to be a causative factor in cancer through the oxidation and nitration of various macromolecules. Reactive oxygen species influence various hallmarks of cancer, such as cellular proliferation and angiogenesis, through the promotion of cell signalling pathways intrinsic to these processes and can also regulate the function of key immune cells, such as macrophages and regulatory T cells, which promote angiogenesis in the tumour environment. Herein we emphasize the family of NADPH oxidase enzymes as the most likely source of ROS, which promote angiogenesis and tumourigenesis through signalling pathways within endothelial, immune and tumour cells. In this review we focus on the pharmacological inhibitors of NADPH oxidases and suggest that, compared with traditional anti-oxidants, they are likely to offer better alternatives for suppression of tumour angiogenesis. Despite the emerging enthusiasm towards the use of NADPH oxidase inhibitors for cancer therapy, this field is still in its infancy; in particular, there is a glaring lack of knowledge of the roles of NADPH oxidases in in vivo animal models and in human cancers. Certainly a clearer understanding of the relevant signalling pathways influenced by NADPH oxidases during angiogenesis in cancer is likely to yield novel therapeutic approaches.
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Affiliation(s)
- Ian P Harrison
- Department of Pharmacology, Monash University, Melbourne, Vic., Australia
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11
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Andrejecsk JW, Chang WG, Pober JS, Saltzman WM. Controlled protein delivery in the generation of microvascular networks. Drug Deliv Transl Res 2015; 5:75-88. [PMID: 25767747 PMCID: PMC4354697 DOI: 10.1007/s13346-012-0122-y] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Abstract
Rapid induction and stabilization of new microvascular networks is essential for the proper functioning of engineered tissues. Many efforts to achieve this goal have used proangiogenic proteins-such as vascular endothelial growth factors-to induce the formation of new microvessels. These proteins have demonstrated promise in improving vascularization, but it is also clear that the spatial and temporal presentation of these signals is important for achieving proper vascular function. Delivery systems that present proteins in a localized and sustained manner, can promote the formation and stabilization of microvascular networks by precisely presenting proangiogenic proteins at desired locations, and for specified durations. Further, these systems allow for some control over the sequence of release of multiple proteins, and it has become clear that such coordination is critical for the development of fully functional and mature vascular structures. This review focuses on the actions of proangiogenic proteins and the innovations in controlled release technologies that precisely deliver these to stimulate microvascular network formation and stabilization.
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Affiliation(s)
| | - William G Chang
- Department of Medicine and Section of Nephrology, Yale University School of Medicine, New Haven, CT 06520
| | - Jordan S Pober
- Departments of Immunobiology, Pathology, and Dermatology, Yale University School of Medicine, New Haven, CT 06520
| | - W Mark Saltzman
- Department of Biomedical Engineering, Yale University, New Haven, CT 06511
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12
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Osawa H, Orii K, Terunuma H, Abraham SJ. Combining autologous peripheral blood mononuclear cells with fibroblast growth factor therapy along with stringent infection control leading to successful limb salvage in diabetic patient with chronic renal failure and severe toe gangrene. Int J Stem Cells 2014; 7:158-61. [PMID: 25473454 PMCID: PMC4249899 DOI: 10.15283/ijsc.2014.7.2.158] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/25/2014] [Indexed: 01/07/2023] Open
Abstract
Peripheral arterial disease (PAD) is a common complication of Diabetes Mellitus (DM) and often culminates in amputation of the affected foot. Pseudomonas aeruginosa infections associated with PAD are difficult to treat due to their multi-drug resistance. Herein we report a 38 year old male who reported with DM, chronic kidney disease (CKD) and rest pain of the right second toe in October 2011. He underwent percutaneous transluminal angioplasty (PTA) which was unsuccessful. The gangrene of the toes worsened and amputation of the right second toe was done. Bacteriological examination showed presence of P. aeruginosa which during the course of antibiotic therapy became multi-drug resistant. Gangrene and abscess of the foot worsened and amputation of the right third toe was performed. Then autologous peripheral blood mononuclear cell (PBMNC) therapy was performed but as infection control could not still be achieved, the fourth toe was amputated. A protocol of foot bath using carbonic water, local usage of antibiotics (Polymyxin-B), and basic fibroblast growth factor (b-FGF) spray was then employed after which the infection could be controlled and improvement in vascularity of the right foot could be observed in angiography. This combined approach after proper validation could be considered for similar cases.
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Affiliation(s)
- Hiroshi Osawa
- Shimada General Hospital, Division of Cardiovascular Surgery, Chiba
| | - Kouan Orii
- Shimada General Hospital, Division of Cardiovascular Surgery, Chiba
| | | | - Samuel Jk Abraham
- The Mary-Yoshio Translational Hexagon (MYTH), Nichi-In Centre for Regenerative Medicine (NCRM), Chennai, India ; Yamanashi University- School of Medicine, Chuo, Japan
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13
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Fibrin as a delivery system in wound healing tissue engineering applications. J Control Release 2014; 196:1-8. [PMID: 25284479 DOI: 10.1016/j.jconrel.2014.09.023] [Citation(s) in RCA: 62] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2014] [Revised: 09/22/2014] [Accepted: 09/23/2014] [Indexed: 12/21/2022]
Abstract
Fibrin is formed in the body upon initiation of the clotting cascade and is produced commercially for use as a tissue sealant and hemostasis device during surgical procedures. Experimentally fibrin is being increasingly used as a vector to deliver growth factors, cells, drugs and genes in tissue engineering applications mimicking aspects of the extra cellular matrix. Growth factors (GFs) are central to wound healing, inducing cell proliferation, migration and differentiation. Attempts have been made to augment wound healing with GFs, however widespread clinical use has been hindered in vivo due to their rapid metabolism within the body. Fibrin hydrogels protect GFs from rapid degradation and the composition of which can be altered to achieve their optimal release. This article reviews the use of fibrin for the delivery of GFs and details the various strategies that have evolved to alter the release rate so as to enhance the regenerative process, including bi-domain peptides, plasmin degradation sequences and heparin incorporation. This paper also reviews other recent advances in this field, such as dual delivery of cells and GF or sequential release of multiple GF.
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14
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Mulyasasmita W, Cai L, Dewi RE, Jha A, Ullmann SD, Luong RH, Huang NF, Heilshorn SC. Avidity-controlled hydrogels for injectable co-delivery of induced pluripotent stem cell-derived endothelial cells and growth factors. J Control Release 2014; 191:71-81. [PMID: 24848744 DOI: 10.1016/j.jconrel.2014.05.015] [Citation(s) in RCA: 64] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2014] [Revised: 05/02/2014] [Accepted: 05/08/2014] [Indexed: 12/20/2022]
Abstract
To translate recent advances in induced pluripotent stem cell biology to clinical regenerative medicine therapies, new strategies to control the co-delivery of cells and growth factors are needed. Building on our previous work designing Mixing-Induced Two-Component Hydrogels (MITCHs) from engineered proteins, here we develop protein-polyethylene glycol (PEG) hybrid hydrogels, MITCH-PEG, which form physical gels upon mixing for cell and growth factor co-delivery. MITCH-PEG is a mixture of C7, which is a linear, engineered protein containing seven repeats of the CC43 WW peptide domain (C), and 8-arm star-shaped PEG conjugated with either one or two repeats of a proline-rich peptide to each arm (P1 or P2, respectively). Both 20kDa and 40kDa star-shaped PEG variants were investigated, and all four PEG-peptide variants were able to undergo a sol-gel phase transition when mixed with the linear C7 protein at constant physiological conditions due to noncovalent hetero-dimerization between the C and P domains. Due to the dynamic nature of the C-P physical crosslinks, all four gels were observed to be reversibly shear-thinning and self-healing. The P2 variants exhibited higher storage moduli than the P1 variants, demonstrating the ability to tune the hydrogel bulk properties through a biomimetic peptide-avidity strategy. The 20kDa PEG variants exhibited slower release of encapsulated vascular endothelial growth factor (VEGF), due to a decrease in hydrogel mesh size relative to the 40kDa variants. Human induced pluripotent stem cell-derived endothelial cells (hiPSC-ECs) adopted a well-spread morphology within three-dimensional MITCH-PEG cultures, and MITCH-PEG provided significant protection from cell damage during ejection through a fine-gauge syringe needle. In a mouse hindlimb ischemia model of peripheral arterial disease, MITCH-PEG co-delivery of hiPSC-ECs and VEGF was found to reduce inflammation and promote muscle tissue regeneration compared to a saline control.
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Affiliation(s)
| | - Lei Cai
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA; Stanford Cardiovascular Institute, Stanford University, Stanford, CA, USA
| | - Ruby E Dewi
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA
| | - Arshi Jha
- Stanford Cardiovascular Institute, Stanford University, Stanford, CA, USA; Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA
| | | | - Richard H Luong
- Department of Comparative Medicine, Stanford University, Stanford, CA, USA
| | - Ngan F Huang
- Stanford Cardiovascular Institute, Stanford University, Stanford, CA, USA; Veterans Affairs Palo Alto Health Care System, Palo Alto, CA, USA; Division of Cardiovascular Medicine, Stanford University, Stanford, CA, USA
| | - Sarah C Heilshorn
- Department of Bioengineering, Stanford University, Stanford, CA, USA; Department of Materials Science and Engineering, Stanford University, Stanford, CA, USA; Stanford Cardiovascular Institute, Stanford University, Stanford, CA, USA.
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Chen F, Liu Q, Zhang ZD, Zhu XH. Co-delivery of G-CSF and EPO released from fibrin gel for therapeutic neovascularization in rat hindlimb ischemia model. Microcirculation 2014; 20:416-24. [PMID: 23294128 DOI: 10.1111/micc.12037] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2012] [Accepted: 01/03/2013] [Indexed: 01/10/2023]
Abstract
OBJECTIVE G-CSF and EPO have shown a notable capability in neovascularization. However, their use is limited because of untoward leucocytosis, erythrogenesis, and short half-life in the plasma. Herein, we examined whether G-CSF and EPO released from fibrin gel injected into ischemic tissues would synergistically promote neovascularization with limited systematic effects in a rat hindlimb ischemic model. METHODS AND RESULTS In vivo study, group Gel received an intramuscular injection of fibrin gel; group Gel+G-CSF received fibrin gel containing human G-CSF; group Gel+EPO received fibrin gel containing human EPO; group Gel+G-CSF&EPO received fibrin gel containing G-CSF and EPO; group G-CSF&EPO received G-CSF and EPO. Through promoting the expression of SDF-1, local high concentration of EPO could traffic CXCR4+ cells mobilized by G-CSF to enhance neovascularization in ischemic muscle. The treatment with Gel+G-CSF&EPO was superior to the other treatments on blood flow reperfusion, capillary density, and α smooth muscle actin-positive vessel density. And this treatment induced a modest WBC count increase in peripheral blood. CONCLUSIONS G-CSF and EPO released from fibrin gel had a combined effect on postischemia neovascularization. This treatment may be a novel therapeutic modality for ischemic peripheral artery disease.
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Affiliation(s)
- Feng Chen
- Department of Vascular Surgery, the second affiliated Hospital, Nanchang University, Nanchang, China.
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Montero RB, Vazquez-Padron RI, Pham SM, D’Ippolito G, Andreopoulos FM. Electrospun Gelatin Constructs with Tunable Fiber Orientation Promote Directed Angiogenesis. ACTA ACUST UNITED AC 2014. [DOI: 10.4236/ojrm.2014.31001] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Mamidi MK, Pal R, Dey S, Bin Abdullah BJJ, Zakaria Z, Rao MS, Das AK. Cell therapy in critical limb ischemia: current developments and future progress. Cytotherapy 2012; 14:902-16. [DOI: 10.3109/14653249.2012.693156] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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Hastings CL, Kelly HM, Murphy MJ, Barry FP, O'Brien FJ, Duffy GP. Development of a thermoresponsive chitosan gel combined with human mesenchymal stem cells and desferrioxamine as a multimodal pro-angiogenic therapeutic for the treatment of critical limb ischaemia. J Control Release 2012; 161:73-80. [DOI: 10.1016/j.jconrel.2012.04.033] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2012] [Revised: 04/16/2012] [Accepted: 04/20/2012] [Indexed: 12/01/2022]
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Advances in natural biomaterials for nerve tissue repair. Neurosci Lett 2012; 519:103-14. [DOI: 10.1016/j.neulet.2012.02.027] [Citation(s) in RCA: 104] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2012] [Revised: 02/06/2012] [Accepted: 02/08/2012] [Indexed: 12/22/2022]
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Montero RB, Vial X, Nguyen DT, Farhand S, Reardon M, Pham SM, Tsechpenakis G, Andreopoulos FM. bFGF-containing electrospun gelatin scaffolds with controlled nano-architectural features for directed angiogenesis. Acta Biomater 2012; 8:1778-91. [PMID: 22200610 DOI: 10.1016/j.actbio.2011.12.008] [Citation(s) in RCA: 81] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2011] [Revised: 11/09/2011] [Accepted: 12/06/2011] [Indexed: 11/26/2022]
Abstract
Current therapeutic angiogenesis strategies are focused on the development of biologically responsive scaffolds that can deliver multiple angiogenic cytokines and/or cells in ischemic regions. Herein, we report on a novel electrospinning approach to fabricate cytokine-containing nanofibrous scaffolds with tunable architecture to promote angiogenesis. Fiber diameter and uniformity were controlled by varying the concentration of the polymeric (i.e. gelatin) solution, the feed rate, needle to collector distance, and electric field potential between the collector plate and injection needle. Scaffold fiber orientation (random vs. aligned) was achieved by alternating the polarity of two parallel electrodes placed on the collector plate thus dictating fiber deposition patterns. Basic fibroblast growth factor (bFGF) was physically immobilized within the gelatin scaffolds at variable concentrations and human umbilical vein endothelial cells (HUVEC) were seeded on the top of the scaffolds. Cell proliferation and migration was assessed as a function of growth factor loading and scaffold architecture. HUVECs successfully adhered onto gelatin B scaffolds and cell proliferation was directly proportional to the loading concentrations of the growth factor (0-100 bFGF ng/mL). Fiber orientation had a pronounced effect on cell morphology and orientation. Cells were spread along the fibers of the electrospun scaffolds with the aligned orientation and developed a spindle-like morphology parallel to the scaffold's fibers. In contrast, cells seeded onto the scaffolds with random fiber orientation, did not demonstrate any directionality and appeared to have a rounder shape. Capillary formation (i.e. sprouts length and number of sprouts per bead), assessed in a 3-D in vitro angiogenesis assay, was a function of bFGF loading concentration (0 ng, 50 ng and 100 ng per scaffold) for both types of electrospun scaffolds (i.e. with aligned or random fiber orientation).
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