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Qiao Z, Zhang K, Liu H, Roh Y, Kim MG, Lee HJ, Koo B, Lee EY, Lee M, Park CO, Shin Y. CSMP: A Self-Assembled Plant Polysaccharide-Based Hydrofilm for Enhanced Wound Healing. Adv Healthc Mater 2024; 13:e2303244. [PMID: 37934913 DOI: 10.1002/adhm.202303244] [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: 10/15/2023] [Indexed: 11/09/2023]
Abstract
Wound management remains a critical healthcare issue due to the rising incidence of chronic diseases leading to persistent wounds. Traditional dressings have their limitations, such as potential for further damage during changing and suboptimal healing conditions. Recently, hydrogel-based dressings have gained attention due to their biocompatibility, biodegradability, and ability to fill wounds. Particularly, polysaccharide-based hydrogels have shown potential in various medical applications. This study focuses on the development of a novel hydrofilm wound dressing produced from a blend of chia seed mucilage (CSM) and polyvinyl alcohol (PVA), termed CSMP. While the individual properties of CSM and PVA are well-documented, their combined potential in wound management is largely unexplored. CSMP, coupled with sorbitol and glycerin, and cross-linked using ultraviolet light, results in a flexible, adhesive, and biocompatible hydrofilm demonstrating superior water absorption, moisturizing, and antibacterial properties. This hydrofilm promotes epithelial cell migration, enhanced collagen production, and outperforms existing commercial dressings in animal tests. The innovative CSMP hydrofilm offers a promising, cost-effective approach for improved wound care, bridging existing gaps in dressing performance and preparation simplicity. Future research can unlock further applications of such polysaccharide-based hydrofilm dressings.
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Affiliation(s)
- Zhen Qiao
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea
| | - KeLun Zhang
- Department of Dermatology, Severance, Hospital, Cutaneous Biology, Research Institute, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Huifang Liu
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea
| | - Yeonjeong Roh
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea
| | - Myoung Gyu Kim
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea
| | - Hyo Joo Lee
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea
| | - Bonhan Koo
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea
| | - Eun Yeong Lee
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea
| | - Minju Lee
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea
| | - Chang Ook Park
- Department of Dermatology, Severance, Hospital, Cutaneous Biology, Research Institute, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
- Brain Korea 21 PLUS Project for Medical Science, Yonsei University College of Medicine, Seoul, 03722, Republic of Korea
| | - Yong Shin
- Department of Biotechnology, College of Life Science and Biotechnology, Yonsei University, Seoul, 03722, Republic of Korea
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Nomdedeu-Sancho G, Gorkun A, Mahajan N, Willson K, Schaaf CR, Votanopoulos KI, Atala A, Soker S. In Vitro Three-Dimensional (3D) Models for Melanoma Immunotherapy. Cancers (Basel) 2023; 15:5779. [PMID: 38136325 PMCID: PMC10741426 DOI: 10.3390/cancers15245779] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2023] [Revised: 11/27/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023] Open
Abstract
Melanoma is responsible for the majority of skin cancer-related fatalities. Immune checkpoint inhibitor (ICI) treatments have revolutionized the management of the disease by significantly increasing patient survival rates. However, a considerable number of tumors treated with these drugs fail to respond or may develop resistance over time. Tumor growth and its response to therapies are critically influenced by the tumor microenvironment (TME); it directly supports cancer cell growth and influences the behavior of surrounding immune cells, which can become tumor-permissive, thereby rendering immunotherapies ineffective. Ex vivo modeling of melanomas and their response to treatment could significantly advance our understanding and predictions of therapy outcomes. Efforts have been directed toward developing reliable models that accurately mimic melanoma in its appropriate tissue environment, including tumor organoids, bioprinted tissue constructs, and microfluidic devices. However, incorporating and modeling the melanoma TME and immune component remains a significant challenge. Here, we review recent literature regarding the generation of in vitro 3D models of normal skin and melanoma and the approaches used to incorporate the immune compartment in such models. We discuss how these constructs could be combined and used to test immunotherapies and elucidate treatment resistance mechanisms. The development of 3D in vitro melanoma models that faithfully replicate the complexity of the TME and its interaction with the immune system will provide us with the technical tools to better understand ICI resistance and increase its efficacy, thereby improving personalized melanoma therapy.
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Affiliation(s)
- Gemma Nomdedeu-Sancho
- Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston Salem, NC 27101, USA; (G.N.-S.); (A.G.); (N.M.); (K.W.); (C.R.S.); (K.I.V.); (A.A.)
| | - Anastasiya Gorkun
- Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston Salem, NC 27101, USA; (G.N.-S.); (A.G.); (N.M.); (K.W.); (C.R.S.); (K.I.V.); (A.A.)
| | - Naresh Mahajan
- Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston Salem, NC 27101, USA; (G.N.-S.); (A.G.); (N.M.); (K.W.); (C.R.S.); (K.I.V.); (A.A.)
| | - Kelsey Willson
- Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston Salem, NC 27101, USA; (G.N.-S.); (A.G.); (N.M.); (K.W.); (C.R.S.); (K.I.V.); (A.A.)
| | - Cecilia R. Schaaf
- Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston Salem, NC 27101, USA; (G.N.-S.); (A.G.); (N.M.); (K.W.); (C.R.S.); (K.I.V.); (A.A.)
- Wake Forest Organoid Research Center (WFORCE), Winston-Salem, NC 27101, USA
- Pathology Section, Comparative Medicine, Wake Forest University School of Medicine, Winston Salem, NC 27101, USA
| | - Konstantinos I. Votanopoulos
- Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston Salem, NC 27101, USA; (G.N.-S.); (A.G.); (N.M.); (K.W.); (C.R.S.); (K.I.V.); (A.A.)
- Wake Forest Organoid Research Center (WFORCE), Winston-Salem, NC 27101, USA
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC 27101, USA
- Department of Surgery, Division of Surgical Oncology, Wake Forest Baptist Health, Winston Salem, NC 27157, USA
| | - Anthony Atala
- Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston Salem, NC 27101, USA; (G.N.-S.); (A.G.); (N.M.); (K.W.); (C.R.S.); (K.I.V.); (A.A.)
- Wake Forest Organoid Research Center (WFORCE), Winston-Salem, NC 27101, USA
| | - Shay Soker
- Wake Forest Institute for Regenerative Medicine, Wake Forest University School of Medicine, Winston Salem, NC 27101, USA; (G.N.-S.); (A.G.); (N.M.); (K.W.); (C.R.S.); (K.I.V.); (A.A.)
- Wake Forest Organoid Research Center (WFORCE), Winston-Salem, NC 27101, USA
- Department of Cancer Biology, Wake Forest University School of Medicine, Winston Salem, NC 27101, USA
- Medical Center Boulevard, Winston-Salem, NC 27157, USA
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3
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Motter Catarino C, Cigaran Schuck D, Dechiario L, Karande P. Incorporation of hair follicles in 3D bioprinted models of human skin. SCIENCE ADVANCES 2023; 9:eadg0297. [PMID: 37831765 PMCID: PMC10575578 DOI: 10.1126/sciadv.adg0297] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2022] [Accepted: 09/12/2023] [Indexed: 10/15/2023]
Abstract
Current approaches fail to adequately introduce complex adnexal structures such as hair follicles within tissue engineered models of skin. Here, we report on the use of 3D bioprinting to incorporate these structures in engineered skin tissues. Spheroids, induced by printing dermal papilla cells (DPCs) and human umbilical vein cells (HUVECs), were precisely printed within a pregelled dermal layer containing fibroblasts. The resulting tissue developed hair follicle-like structures upon maturation, supported by migration of keratinocytes and melanocytes, and their morphology and composition grossly mimicked that of the native skin tissue. Reconstructed skin models with increased complexity that better mimic native adnexal structures can have a substantial impact on regenerative medicine as grafts and efficacy models to test the safety of chemical compounds.
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Affiliation(s)
- Carolina Motter Catarino
- Howard P. Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY, USA
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA
- Grupo Boticário, Curitiba, Paraná, Brazil
| | | | - Lexi Dechiario
- Howard P. Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY, USA
| | - Pankaj Karande
- Howard P. Isermann Department of Chemical and Biological Engineering, Rensselaer Polytechnic Institute, Troy, NY, USA
- Center for Biotechnology and Interdisciplinary Studies, Rensselaer Polytechnic Institute, Troy, NY, USA
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4
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Benchaprathanphorn K, Sakulaue P, Siriwatwechakul W, Muangman P, Chinaroonchai K, Namviriyachote N, Viravaidya-Pasuwat K. Expansion of fibroblast cell sheets using a modified MEEK micrografting technique for wound healing applications. Sci Rep 2022; 12:18541. [PMID: 36329229 PMCID: PMC9633782 DOI: 10.1038/s41598-022-21913-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 10/05/2022] [Indexed: 11/05/2022] Open
Abstract
Cell sheet engineering, a scaffold-free approach to fabricate functional tissue constructs from several cell monolayers, has shown promise in tissue regeneration and wound healing. Unfortunately, these cell sheets are often too small to provide sufficient wound area coverage. In this study, we describe a process to enlarge cell sheets using MEEK micrografting, a technique extensively used to expand skin autografts for large burn treatments. Human dermal fibroblast cell sheets were placed on MEEK's prefolded gauze without any use of adhesive, cut along the premarked lines and stretched out at various expansion ratios (1:3, 1:6 and 1:9), resulting in regular distribution of many square islands of fibroblasts at a much larger surface area. The cellular processes essential for wound healing, including reattachment, proliferation, and migration, of the fibroblasts on expanded MEEK gauze were superior to those on nylon dressing which served as a control. The optimal expansion ratio with the highest migration rate was 1:6, possibly due to the activation of chemical signals caused by mechanical stretching and an effective intercellular communication distance. Therefore, the combination of cell sheet engineering with the MEEK micrografting technique could provide high quality cells with a large coverage area, which would be particularly beneficial in wound care applications.
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Affiliation(s)
- Kanokaon Benchaprathanphorn
- grid.412151.20000 0000 8921 9789Biological Engineering Program, Faculty of Engineering, King Mongkut’s University of Technology Thonburi, Bangkok, 10140 Thailand
| | - Phongphot Sakulaue
- grid.412434.40000 0004 1937 1127School of Bio-Chemical Engineering and Technology, Sirindhorn International Institute of Technology, Thammasat University, Khlong Luang, 12120 Pathumthani Thailand
| | - Wanwipa Siriwatwechakul
- grid.412434.40000 0004 1937 1127School of Bio-Chemical Engineering and Technology, Sirindhorn International Institute of Technology, Thammasat University, Khlong Luang, 12120 Pathumthani Thailand
| | - Pornprom Muangman
- grid.416009.aTrauma Division, Department of Surgery, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, 10700 Thailand
| | - Kusuma Chinaroonchai
- grid.416009.aTrauma Division, Department of Surgery, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, 10700 Thailand
| | - Nantaporn Namviriyachote
- grid.416009.aTrauma Division, Department of Surgery, Faculty of Medicine, Siriraj Hospital, Mahidol University, Bangkok, 10700 Thailand
| | - Kwanchanok Viravaidya-Pasuwat
- grid.412151.20000 0000 8921 9789Biological Engineering Program, Faculty of Engineering, King Mongkut’s University of Technology Thonburi, Bangkok, 10140 Thailand ,grid.412151.20000 0000 8921 9789Department of Chemical Engineering, Faculty of Engineering, King Mongkut’s University of Technology Thonburi, Bangkok, 10140 Thailand ,grid.412151.20000 0000 8921 9789Biological Engineering and Chemical Engineering Department, Faculty of Engineering, King Mongkut’s University of Technology Thonburi, 126 Pracha Uthit Rd., Bang Mod, Thung Khru, Bangkok, 10140 Thailand
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Motter Catarino C, Kaiser K, Baltazar T, Motter Catarino L, Brewer JR, Karande P. Evaluation of native and non-native biomaterials for engineering human skin tissue. Bioeng Transl Med 2022; 7:e10297. [PMID: 36176598 PMCID: PMC9472026 DOI: 10.1002/btm2.10297] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Revised: 01/02/2022] [Accepted: 01/07/2022] [Indexed: 11/09/2022] Open
Abstract
A variety of human skin models have been developed for applications in regenerative medicine and efficacy studies. Typically, these employ matrix molecules that are derived from non-human sources along with human cells. Key limitations of such models include a lack of cellular and tissue microenvironment that is representative of human physiology for efficacy studies, as well as the potential for adverse immune responses to animal products for regenerative medicine applications. The use of recombinant extracellular matrix proteins to fabricate tissues can overcome these limitations. We evaluated animal- and non-animal-derived scaffold proteins and glycosaminoglycans for the design of biomaterials for skin reconstruction in vitro. Screening of proteins from the dermal-epidermal junction (collagen IV, laminin 5, and fibronectin) demonstrated that certain protein combinations when used as substrates increase the proliferation and migration of keratinocytes compared to the control (no protein). In the investigation of the effect of components from the dermal layer (collagen types I and III, elastin, hyaluronic acid, and dermatan sulfate), the primary influence on the viability of fibroblasts was attributed to the source of type I collagen (rat tail, human, or bovine) used as scaffold. Furthermore, incorporation of dermatan sulfate in the dermal layer led to a reduction in the contraction of tissues compared to the control where the dermal scaffold was composed primarily of collagen type I. This work highlights the influence of the composition of biomaterials on the development of complex reconstructed skin models that are suitable for clinical translation and in vitro safety assessment.
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Affiliation(s)
- Carolina Motter Catarino
- Howard P. Isermann Department of Chemical and Biological EngineeringRensselaer Polytechnic InstituteTroyNew YorkUSA
- Center for Biotechnology and Interdisciplinary StudiesRensselaer Polytechnic InstituteTroyNew YorkUSA
| | - Katharina Kaiser
- Department of Biochemistry and Molecular BiologyUniversity of Southern DenmarkOdenseDenmark
| | - Tânia Baltazar
- Howard P. Isermann Department of Chemical and Biological EngineeringRensselaer Polytechnic InstituteTroyNew YorkUSA
- Present address:
Department of ImmunobiologyYale School of MedicineNew HavenConnecticutUSA
| | - Luiza Motter Catarino
- Howard P. Isermann Department of Chemical and Biological EngineeringRensselaer Polytechnic InstituteTroyNew YorkUSA
- Department of BiomedicinePositivo UniversityCuritibaBrazil
| | - Jonathan R. Brewer
- Department of Biochemistry and Molecular BiologyUniversity of Southern DenmarkOdenseDenmark
| | - Pankaj Karande
- Howard P. Isermann Department of Chemical and Biological EngineeringRensselaer Polytechnic InstituteTroyNew YorkUSA
- Center for Biotechnology and Interdisciplinary StudiesRensselaer Polytechnic InstituteTroyNew YorkUSA
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Tan SH, Chua DAC, Tang JRJ, Bonnard C, Leavesley D, Liang K. Design of Hydrogel-based Scaffolds for in vitro Three-dimensional Human Skin Model Reconstruction. Acta Biomater 2022; 153:13-37. [DOI: 10.1016/j.actbio.2022.09.068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Revised: 09/01/2022] [Accepted: 09/26/2022] [Indexed: 11/01/2022]
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Innovative Treatment Strategies to Accelerate Wound Healing: Trajectory and Recent Advancements. Cells 2022; 11:cells11152439. [PMID: 35954282 PMCID: PMC9367945 DOI: 10.3390/cells11152439] [Citation(s) in RCA: 65] [Impact Index Per Article: 32.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 08/03/2022] [Accepted: 08/04/2022] [Indexed: 11/26/2022] Open
Abstract
Wound healing is highly specialized dynamic multiple phase process for the repair of damaged/injured tissues through an intricate mechanism. Any failure in the normal wound healing process results in abnormal scar formation, and chronic state which is more susceptible to infections. Chronic wounds affect patients’ quality of life along with increased morbidity and mortality and are huge financial burden to healthcare systems worldwide, and thus requires specialized biomedical intensive treatment for its management. The clinical assessment and management of chronic wounds remains challenging despite the development of various therapeutic regimens owing to its painstakingly long-term treatment requirement and complex wound healing mechanism. Various conventional approaches such as cell therapy, gene therapy, growth factor delivery, wound dressings, and skin grafts etc., are being utilized for promoting wound healing in different types of wounds. However, all these abovementioned therapies are not satisfactory for all wound types, therefore, there is an urgent demand for the development of competitive therapies. Therefore, there is a pertinent requirement to develop newer and innovative treatment modalities for multipart therapeutic regimens for chronic wounds. Recent developments in advanced wound care technology includes nanotherapeutics, stem cells therapy, bioengineered skin grafts, and 3D bioprinting-based strategies for improving therapeutic outcomes with a focus on skin regeneration with minimal side effects. The main objective of this review is to provide an updated overview of progress in therapeutic options in chronic wounds healing and management over the years using next generation innovative approaches. Herein, we have discussed the skin function and anatomy, wounds and wound healing processes, followed by conventional treatment modalities for wound healing and skin regeneration. Furthermore, various emerging and innovative strategies for promoting quality wound healing such as nanotherapeutics, stem cells therapy, 3D bioprinted skin, extracellular matrix-based approaches, platelet-rich plasma-based approaches, and cold plasma treatment therapy have been discussed with their benefits and shortcomings. Finally, challenges of these innovative strategies are reviewed with a note on future prospects.
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Antezana PE, Municoy S, Álvarez-Echazú MI, Santo-Orihuela PL, Catalano PN, Al-Tel TH, Kadumudi FB, Dolatshahi-Pirouz A, Orive G, Desimone MF. The 3D Bioprinted Scaffolds for Wound Healing. Pharmaceutics 2022; 14:464. [PMID: 35214197 PMCID: PMC8875365 DOI: 10.3390/pharmaceutics14020464] [Citation(s) in RCA: 30] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 02/09/2022] [Accepted: 02/11/2022] [Indexed: 02/01/2023] Open
Abstract
Skin tissue engineering and regeneration aim at repairing defective skin injuries and progress in wound healing. Until now, even though several developments are made in this field, it is still challenging to face the complexity of the tissue with current methods of fabrication. In this review, short, state-of-the-art on developments made in skin tissue engineering using 3D bioprinting as a new tool are described. The current bioprinting methods and a summary of bioink formulations, parameters, and properties are discussed. Finally, a representative number of examples and advances made in the field together with limitations and future needs are provided.
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Affiliation(s)
- Pablo Edmundo Antezana
- Facultad de Farmacia y Bioquímica, Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Junín 956, Buenos Aires 1113, Argentina
| | - Sofia Municoy
- Facultad de Farmacia y Bioquímica, Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Junín 956, Buenos Aires 1113, Argentina
| | - María Inés Álvarez-Echazú
- Facultad de Farmacia y Bioquímica, Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Junín 956, Buenos Aires 1113, Argentina
| | - Pablo Luis Santo-Orihuela
- Facultad de Farmacia y Bioquímica, Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Junín 956, Buenos Aires 1113, Argentina
- Centro de Investigaciones en Plagas e Insecticidas (CIPEIN), Instituto de Investigaciones Científicas y Técnicas para la Defensa CITEDEF/UNIDEF, Consejo Nacional de Investigaciones Científicas y Técnicas, Buenos Aires, Argentina (CONICET), Juan B. de La Salle 4397, Villa Martelli, Buenos Aires 1603, Argentina
| | - Paolo Nicolás Catalano
- Facultad de Farmacia y Bioquímica, Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Junín 956, Buenos Aires 1113, Argentina
- Departamento de Micro y Nanotecnología, Instituto de Nanociencia y Nanotecnología, CNEA-CONICET, Av. General Paz 1499, San Martín 1650, Argentina
| | - Taleb H Al-Tel
- Sharjah Institute for Medical Research and College of Pharmacy, University of Sharjah, Sharjah P.O. Box 27272, United Arab Emirates
| | - Firoz Babu Kadumudi
- Department of Health Technology, Technical University of Denmark, 2800 Kongens Lyngby, Denmark
| | | | - Gorka Orive
- Laboratory of Pharmaceutics, NanoBioCel Group, School of Pharmacy, University of the Basque Country UPV/EHU, Paseo de la Universidad 7, 01006 Vitoria-Gasteiz, Spain
- Biomedical Research Networking Centre in Bioengineering, Biomaterials and Nanomedicine (CIBER-BBN), 01006 Vitoria-Gasteiz, Spain
- Bioaraba, NanoBioCel Research Group, 01006 Vitoria-Gasteiz, Spain
- University Institute for Regenerative Medicine and Oral Implantology-UIRMI (UPV/EHU-Fundación Eduardo Anitua), 01007 Vitoria-Gasteiz, Spain
- Singapore Eye Research Institute, The Academia, 20 College Road, Discovery Tower, Singapore 169856, Singapore
| | - Martin Federico Desimone
- Facultad de Farmacia y Bioquímica, Instituto de Química y Metabolismo del Fármaco (IQUIMEFA), Universidad de Buenos Aires, Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Junín 956, Buenos Aires 1113, Argentina
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Bacterial Cellulose as a Potential Bio-Scaffold for Effective Re-Epithelialization Therapy. Pharmaceutics 2021; 13:pharmaceutics13101592. [PMID: 34683885 PMCID: PMC8540158 DOI: 10.3390/pharmaceutics13101592] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2021] [Revised: 09/09/2021] [Accepted: 09/28/2021] [Indexed: 01/22/2023] Open
Abstract
Currently, there are several therapeutic approaches available for wound injury management. However, a better understanding of the underlying mechanisms of how biomaterials affect cell behavior is needed to develop potential repair strategies. Bacterial cellulose (BC) is a bacteria-produced biopolymer with several advantageous qualities for skin tissue engineering. The aim here was to investigate BC-based scaffold on epithelial regeneration and wound healing by examining its effects on the expression of scavenger receptor-A (SR-A) and underlying macrophage behavior. Full-thickness skin wounds were generated on Sprague-Dawley rats and the healing of these wounds, with and without BC scaffolds, was examined over 14 days using Masson’s trichome staining. BC scaffolds displayed excellent in vitro biocompatibility, maintained the stemness function of cells and promoted keratinocyte differentiation of cells, which are vital in maintaining and restoring the injured epidermis. BC scaffolds also exhibited positive in vivo effects on the wound microenvironment, including improved skin extracellular matrix deposition and controlled excessive inflammation by reduction of SR-A expression. Furthermore, BC scaffold significantly enhanced epithelialization by stimulating the balance of M1/M2 macrophage re-programming for beneficial tissue repair relative to that of collagen material. These findings suggest that BC-based materials are promising products for skin injury repair.
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Li H, Cheng F, Orgill DP, Yao J, Zhang YS. Handheld bioprinting strategies for in situ wound dressing. Essays Biochem 2021; 65:533-543. [PMID: 34028545 PMCID: PMC8720383 DOI: 10.1042/ebc20200098] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 04/26/2021] [Accepted: 04/28/2021] [Indexed: 01/06/2023]
Abstract
Handheld bioprinting has recently attracted considerable attention as a technology to deliver biomaterials and/or cells to injury sites by using freeform, user-instructed deposition approaches, specifically targeted towards in situ wound dressing and healing. In this review, we present a concise introduction of handheld bioprinting, and a thorough discussion on design and manufacture of handheld bioprinters and choice over bioinks. Finally, the advantages, challenges, and prospective of the said technologies are elaborated. It is believed that handheld bioprinting will play an essential role in the field of in situ wound healing mainly due to its excellent portability, user-friendliness, cost-effectiveness, and amenability to various wound needs.
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Affiliation(s)
- Hongbin Li
- Division of Engineering in Medicine, Brigham and Women’s Hospital, Department of Medicine, Harvard Medical School, Cambridge, MA 02139, U.S.A
- College of Light Industry and Textile, Qiqihar University, Qiqihar, Heilongjiang 161000, P.R. China
| | - Feng Cheng
- Division of Engineering in Medicine, Brigham and Women’s Hospital, Department of Medicine, Harvard Medical School, Cambridge, MA 02139, U.S.A
| | - Dennis P. Orgill
- Department of Surgery, Brigham and Women’s Hospital, Harvard Medical School, Boston, MA 02115, U.S.A
| | - Junjie Yao
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, U.S.A
| | - Yu Shrike Zhang
- Division of Engineering in Medicine, Brigham and Women’s Hospital, Department of Medicine, Harvard Medical School, Cambridge, MA 02139, U.S.A
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