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Kondej K, Zawrzykraj M, Czerwiec K, Deptuła M, Tymińska A, Pikuła M. Bioengineering Skin Substitutes for Wound Management-Perspectives and Challenges. Int J Mol Sci 2024; 25:3702. [PMID: 38612513 PMCID: PMC11011330 DOI: 10.3390/ijms25073702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2024] [Revised: 03/22/2024] [Accepted: 03/23/2024] [Indexed: 04/14/2024] Open
Abstract
Non-healing wounds and skin losses constitute significant challenges for modern medicine and pharmacology. Conventional methods of wound treatment are effective in basic healthcare; however, they are insufficient in managing chronic wound and large skin defects, so novel, alternative methods of therapy are sought. Among the potentially innovative procedures, the use of skin substitutes may be a promising therapeutic method. Skin substitutes are a heterogeneous group of materials that are used to heal and close wounds and temporarily or permanently fulfill the functions of the skin. Classification can be based on the structure or type (biological and synthetic). Simple constructs (class I) have been widely researched over the years, and can be used in burns and ulcers. More complex substitutes (class II and III) are still studied, but these may be utilized in patients with deep skin defects. In addition, 3D bioprinting is a rapidly developing method used to create advanced skin constructs and their appendages. The aforementioned therapies represent an opportunity for treating patients with diabetic foot ulcers or deep skin burns. Despite these significant developments, further clinical trials are needed to allow the use skin substitutes in the personalized treatment of chronic wounds.
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Affiliation(s)
- Karolina Kondej
- Department of Plastic Surgery, Medical University of Gdansk, 80-214 Gdansk, Poland;
| | - Małgorzata Zawrzykraj
- Department of Clinical Anatomy, Medical University of Gdansk, 80-211 Gdansk, Poland; (M.Z.); (K.C.)
| | - Katarzyna Czerwiec
- Department of Clinical Anatomy, Medical University of Gdansk, 80-211 Gdansk, Poland; (M.Z.); (K.C.)
| | - Milena Deptuła
- Laboratory of Tissue Engineering and Regenerative Medicine, Department of Embryology, Medical University of Gdansk, 80-211 Gdansk, Poland; (M.D.); (A.T.)
| | - Agata Tymińska
- Laboratory of Tissue Engineering and Regenerative Medicine, Department of Embryology, Medical University of Gdansk, 80-211 Gdansk, Poland; (M.D.); (A.T.)
| | - Michał Pikuła
- Laboratory of Tissue Engineering and Regenerative Medicine, Department of Embryology, Medical University of Gdansk, 80-211 Gdansk, Poland; (M.D.); (A.T.)
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Sah MK, Mukherjee S, Flora B, Malek N, Rath SN. Advancement in "Garbage In Biomaterials Out (GIBO)" concept to develop biomaterials from agricultural waste for tissue engineering and biomedical applications. J Environ Health Sci Eng 2022; 20:1015-1033. [PMID: 36406592 PMCID: PMC9672289 DOI: 10.1007/s40201-022-00815-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Accepted: 06/27/2022] [Indexed: 06/16/2023]
Abstract
UNLABELLED Presently on a global scale, one of the major concerns is to find effective strategies to manage the agricultural waste to protect the environment. One strategy that has been drawing attention among the researchers is the development of biocompatible materials from agricultural waste. This strategy implies successful conversion of agricultural waste products (e.g.: cellulose, eggshell etc.) into building blocks for biomaterial development. Some of these wastes contain even bioactive compounds having biomedical applications. The replacement and augmentation of human tissue with biomaterials as alternative to traditional method not only bypasses immune-rejection, donor scarcity, and maintenance; but also provides long term solution to damaged or malfunctioning organs. Biomaterials development as one of the key challenges in tissue engineering approach, resourced from natural origin imparts better biocompatibility due to closely mimicking composition with cellular microenvironment. The "Garbage In, Biomaterials Out (GIBO)" concept, not only recycles the agricultural wastes, but also adds to biomaterial raw products for further product development in tissue regeneration. This paper reviews the conversion of garbage agricultural by-products to the biocompatible materials for various biomedical applications. GRAPHICAL ABSTRACT The agro-waste biomass processed, purified, modified, and further utilized for the fabrication of biomaterials-based support system for tissue engineering applications to grow living body parts in vitro or in vivo.
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Affiliation(s)
- Mahesh Kumar Sah
- Department of Biotechnology, Dr. B. R. Ambedkar, National Institute of Technology, Jalandhar, Punjab 144011 India
| | - Sunny Mukherjee
- Department of Biotechnology, Dr. B. R. Ambedkar, National Institute of Technology, Jalandhar, Punjab 144011 India
| | - Bableen Flora
- Department of Biotechnology, Lovely Professional University, Jalandhar, Punjab India
| | - Naved Malek
- Department of Chemistry, S. V. National Institute of Technology, Surat, Gujarat India
| | - Subha Narayan Rath
- Department of Biomedical Engineering, Indian Institute of Technology Hyderabad, Kandi, Medak, Telangana India
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Abstract
OBJECTIVE To explore the factors influencing quality of life in patients with chronic wounds. METHODS A total of 138 patients with chronic wounds were included and completed the Chinese version of the Cardiff Wound Impact Schedule, the Hospital Anxiety and Depression Scale, and the Medical Coping Modes Questionnaire after researchers assessed their wound severity. RESULTS The mean scores of physical symptoms and everyday living, social life, and well-being on the Chinese version of the Cardiff Wound Impact Schedule were 55.65 ± 15.82, 52.69 ± 16.46, and 40.75 ± 13.82, respectively. Multiple regression analysis revealed that depression, coping style, and education level were the primary factors, explaining 51.7% of the variance in physical symptoms and everyday living. Depression and coping style explained 49.6% of the variance in social life. Anxiety and primary disease explained 36.2% of the variance in well-being. CONCLUSIONS The factors influencing quality of life for these Chinese patients with chronic wounds included education level, primary disease, anxiety, depression, and coping style. Speaking with patients about living with a chronic wound and their potential for healing, understanding their fears about significant changes to their life, and encouraging them to accept such changes can be important for patients and their recovery.
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Farrokhi A, Rahavi M, Jo S, Jalili R, Lim CJ, Ghahsary A, Reid GSD. Inflammatory Immune Responses Trigger Rejection of Allogeneic Fibroblasts Transplanted into Mouse Skin. Cell Transplant 2022; 31:9636897221113803. [PMID: 35912954 PMCID: PMC9340901 DOI: 10.1177/09636897221113803] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
Fibroblasts, or their homolog stromal cells, are present in most tissues and play an essential role in tissue homeostasis and regeneration. As a result, fibroblast-based strategies have been widely employed in tissue engineering. However, while considered to have immunosuppressive properties, the survival and functionality of allogeneic fibroblasts after transplantation remain controversial. Here, we evaluated innate and adaptive immune responses against allogeneic fibroblasts following intradermal injection into different immune-deficient mouse strains. While allogeneic fibroblasts were rejected 1 week after transplantation in immunocompetent mice, rejection did not occur in immunodeficient γ chain–deficient NOD-SCID (NSG) mice. T-cell- and B-cell-deficient RAG1 knockout mice showed greater loss of fibroblasts by day 5 after transplantation compared with NSG mice (P ≤ 0.05) but prolonged persistence compared with wild-type recipient (P ≤ 0.005). Loss of fibroblasts correlated with the expression of proinflammatory chemokine genes and infiltration of myeloid cells in the transplantation site. Depletion of macrophages and neutrophils delayed rejection, revealing the role of innate immune cells in an early elimination of fibroblasts that is followed by T-cell-mediated rejection in the second week. These findings indicate that the application of allogeneic fibroblasts in tissue engineering products requires further improvements to overcome cell rejection by innate and adaptive immune cells.
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Affiliation(s)
- Ali Farrokhi
- Michael Cuccione Childhood Cancer Research Program, BC Children’s Hospital Research Institute, Vancouver, BC, Canada
- Department of Pediatrics, The University of British Columbia, Vancouver, BC, Canada
| | - MohammadReza Rahavi
- Michael Cuccione Childhood Cancer Research Program, BC Children’s Hospital Research Institute, Vancouver, BC, Canada
| | - Sumin Jo
- Michael Cuccione Childhood Cancer Research Program, BC Children’s Hospital Research Institute, Vancouver, BC, Canada
| | - Reza Jalili
- Burn & Wound Healing Research Group, Division of Plastic Surgery, Department of Surgery and International Collaboration on Repair Discoveries, The University of British Columbia, Vancouver, BC, Canada
| | - C. James Lim
- Michael Cuccione Childhood Cancer Research Program, BC Children’s Hospital Research Institute, Vancouver, BC, Canada
- Department of Pediatrics, The University of British Columbia, Vancouver, BC, Canada
| | - Aziz Ghahsary
- Burn & Wound Healing Research Group, Division of Plastic Surgery, Department of Surgery and International Collaboration on Repair Discoveries, The University of British Columbia, Vancouver, BC, Canada
| | - Gregor S. D. Reid
- Michael Cuccione Childhood Cancer Research Program, BC Children’s Hospital Research Institute, Vancouver, BC, Canada
- Department of Pediatrics, The University of British Columbia, Vancouver, BC, Canada
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Sierra-Sánchez Á, Kim KH, Blasco-Morente G, Arias-Santiago S. Cellular human tissue-engineered skin substitutes investigated for deep and difficult to heal injuries. NPJ Regen Med 2021; 6:35. [PMID: 34140525 PMCID: PMC8211795 DOI: 10.1038/s41536-021-00144-0] [Citation(s) in RCA: 43] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2020] [Accepted: 05/25/2021] [Indexed: 02/05/2023] Open
Abstract
Wound healing is an important function of skin; however, after significant skin injury (burns) or in certain dermatological pathologies (chronic wounds), this important process can be deregulated or lost, resulting in severe complications. To avoid these, studies have focused on developing tissue-engineered skin substitutes (TESSs), which attempt to replace and regenerate the damaged skin. Autologous cultured epithelial substitutes (CESs) constituted of keratinocytes, allogeneic cultured dermal substitutes (CDSs) composed of biomaterials and fibroblasts and autologous composite skin substitutes (CSSs) comprised of biomaterials, keratinocytes and fibroblasts, have been the most studied clinical TESSs, reporting positive results for different pathological conditions. However, researchers' purpose is to develop TESSs that resemble in a better way the human skin and its wound healing process. For this reason, they have also evaluated at preclinical level the incorporation of other human cell types such as melanocytes, Merkel and Langerhans cells, skin stem cells (SSCs), induced pluripotent stem cells (iPSCs) or mesenchymal stem cells (MSCs). Among these, MSCs have been also reported in clinical studies with hopeful results. Future perspectives in the field of human-TESSs are focused on improving in vivo animal models, incorporating immune cells, designing specific niches inside the biomaterials to increase stem cell potential and developing three-dimensional bioprinting strategies, with the final purpose of increasing patient's health care. In this review we summarize the use of different human cell populations for preclinical and clinical TESSs under research, remarking their strengths and limitations and discuss the future perspectives, which could be useful for wound healing purposes.
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Affiliation(s)
- Álvaro Sierra-Sánchez
- Cell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, Granada, Spain.
- Biosanitary Institute of Granada (ibs.GRANADA), Granada, Spain.
| | - Kevin H Kim
- Department of Dermatology, University of Arkansas for Medical Sciences, Little Rock, AR, USA
- Department of Dermatology, Virgen de las Nieves University Hospital, Granada University, Granada, Spain
| | - Gonzalo Blasco-Morente
- Department of Dermatology, Virgen de las Nieves University Hospital, Granada University, Granada, Spain
| | - Salvador Arias-Santiago
- Cell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, Granada, Spain
- Biosanitary Institute of Granada (ibs.GRANADA), Granada, Spain
- Department of Dermatology, Virgen de las Nieves University Hospital, Granada University, Granada, Spain
- Department of Dermatology, Faculty of Medicine, University of Granada, Granada, Spain
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Sierra-Sánchez Á, Fernández-González A, Lizana-Moreno A, Espinosa-Ibáñez O, Martinez-Lopez A, Guerrero-Calvo J, Fernández-Porcel N, Ruiz-García A, Ordóñez-Luque A, Carriel V, Arias-Santiago S. Hyaluronic acid biomaterial for human tissue-engineered skin substitutes: Preclinical comparative in vivo study of wound healing. J Eur Acad Dermatol Venereol 2020; 34:2414-2427. [PMID: 32173915 DOI: 10.1111/jdv.16342] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2019] [Accepted: 02/06/2020] [Indexed: 01/09/2023]
Abstract
BACKGROUND There is not an ideal biomaterial for tissue-engineered skin substitutes (TESSs), and most of the studies or existing therapies use xenogeneic origin natural biomaterials or biosynthetic scaffolds. OBJECTIVE To analyse clinical, histological integration and homeostasis parameters of a human TESS manufactured with fibrin-hyaluronic acid biomaterial (HA-Skin), grafted in immunodeficient mice for 8 weeks, and compared with the gold standard treatment (Autograft), a human TESS manufactured with fibrin-agarose biomaterial (AG-Skin) and secondary wound healing dressings. METHODS Human TESSs and autografts were implanted into BALB/c mice after surgical excision. Secondary wound healing approach was achieved with biosynthetic collagen wound dressing (Biobrane® ) and fibrin-hyaluronic acid or fibrin-agarose biomaterial without cells (Total N = 44). Clinical integration and homeostasis parameters were evaluated every two weeks for two months. Histological and immunohistochemical analyses were performed four and eight weeks after grafting. RESULTS HA-Skin, AG-Skin and Autograft groups showed a proper clinical integration and epithelization eight weeks later. Scar evaluation revealed better results for Autograft and HA-Skin. Homeostasis analysis indicated similar values of transepidermal water loss and elasticity between HA-Skin (6.42 ± 0.75 g/h/m2 , 0.42 ± 0.08 AU), Autograft (6.91 ± 1.28 g/h/m2 , 0.40 ± 0.08 AU) and healthy mouse skin (6.40 ± 0.43 g/h/m2 , 0.35 ± 0.03 AU). Histological results showed that human TESSs and autografts presented better skin structuration and higher expression of cytokeratins. CONCLUSIONS This study suggests that human TESS based on fibrin-hyaluronic acid biomaterial could be suitable for clinical application in the treatment of several dermatological pathologies (wound healing).
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Affiliation(s)
- Á Sierra-Sánchez
- Cell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, Granada, Spain.,Biosanitary Institute of Granada (ibs.GRANADA), Granada, Spain
| | - A Fernández-González
- Cell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, Granada, Spain.,Biosanitary Institute of Granada (ibs.GRANADA), Granada, Spain
| | - A Lizana-Moreno
- Cell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, Granada, Spain.,Biosanitary Institute of Granada (ibs.GRANADA), Granada, Spain
| | - O Espinosa-Ibáñez
- Cell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, Granada, Spain.,Biosanitary Institute of Granada (ibs.GRANADA), Granada, Spain
| | - A Martinez-Lopez
- Biosanitary Institute of Granada (ibs.GRANADA), Granada, Spain.,Dermatology Department, Virgen de las Nieves University Hospital, Granada, Spain
| | - J Guerrero-Calvo
- Cell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, Granada, Spain.,Biosanitary Institute of Granada (ibs.GRANADA), Granada, Spain
| | - N Fernández-Porcel
- Cell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, Granada, Spain.,Biosanitary Institute of Granada (ibs.GRANADA), Granada, Spain
| | - A Ruiz-García
- Cell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, Granada, Spain.,Biosanitary Institute of Granada (ibs.GRANADA), Granada, Spain
| | - A Ordóñez-Luque
- Cell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, Granada, Spain.,Biosanitary Institute of Granada (ibs.GRANADA), Granada, Spain
| | - V Carriel
- Biosanitary Institute of Granada (ibs.GRANADA), Granada, Spain.,Department of Histology and Tissue Engineering Group, Faculty of Medicine, University of Granada, Granada, Spain
| | - S Arias-Santiago
- Cell Production and Tissue Engineering Unit, Virgen de las Nieves University Hospital, Andalusian Network of Design and Translation of Advanced Therapies, Granada, Spain.,Biosanitary Institute of Granada (ibs.GRANADA), Granada, Spain.,Dermatology Department, Virgen de las Nieves University Hospital, Granada, Spain.,Dermatology Department, Faculty of Medicine, University of Granada, Granada, Spain
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Xu J, Zheng S, Hu X, Li L, Li W, Parungao R, Wang Y, Nie Y, Liu T, Song K. Advances in the Research of Bioinks Based on Natural Collagen, Polysaccharide and Their Derivatives for Skin 3D Bioprinting. Polymers (Basel) 2020; 12:E1237. [PMID: 32485901 DOI: 10.3390/polym12061237] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 02/23/2020] [Accepted: 02/25/2020] [Indexed: 12/22/2022] Open
Abstract
The skin plays an important role in protecting the human body, and wound healing must be set in motion immediately following injury or trauma to restore the normal structure and function of skin. The extracellular matrix component of the skin mainly consists of collagen, glycosaminoglycan (GAG), elastin and hyaluronic acid (HA). Recently, natural collagen, polysaccharide and their derivatives such as collagen, gelatin, alginate, chitosan and pectin have been selected as the matrix materials of bioink to construct a functional artificial skin due to their biocompatible and biodegradable properties by 3D bioprinting, which is a revolutionary technology with the potential to transform both research and medical therapeutics. In this review, we outline the current skin bioprinting technologies and the bioink components for skin bioprinting. We also summarize the bioink products practiced in research recently and current challenges to guide future research to develop in a promising direction. While there are challenges regarding currently available skin bioprinting, addressing these issues will facilitate the rapid advancement of 3D skin bioprinting and its ability to mimic the native anatomy and physiology of skin and surrounding tissues in the future.
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Patra JK, Das G, Fraceto LF, Campos EVR, Rodriguez-Torres MDP, Acosta-Torres LS, Diaz-Torres LA, Grillo R, Swamy MK, Sharma S, Habtemariam S, Shin HS. Nano based drug delivery systems: recent developments and future prospects. J Nanobiotechnology 2018; 16:71. [PMID: 30231877 PMCID: PMC6145203 DOI: 10.1186/s12951-018-0392-8] [Citation(s) in RCA: 2515] [Impact Index Per Article: 419.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Accepted: 08/25/2018] [Indexed: 02/06/2023] Open
Abstract
Nanomedicine and nano delivery systems are a relatively new but rapidly developing science where materials in the nanoscale range are employed to serve as means of diagnostic tools or to deliver therapeutic agents to specific targeted sites in a controlled manner. Nanotechnology offers multiple benefits in treating chronic human diseases by site-specific, and target-oriented delivery of precise medicines. Recently, there are a number of outstanding applications of the nanomedicine (chemotherapeutic agents, biological agents, immunotherapeutic agents etc.) in the treatment of various diseases. The current review, presents an updated summary of recent advances in the field of nanomedicines and nano based drug delivery systems through comprehensive scrutiny of the discovery and application of nanomaterials in improving both the efficacy of novel and old drugs (e.g., natural products) and selective diagnosis through disease marker molecules. The opportunities and challenges of nanomedicines in drug delivery from synthetic/natural sources to their clinical applications are also discussed. In addition, we have included information regarding the trends and perspectives in nanomedicine area.
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Affiliation(s)
- Jayanta Kumar Patra
- Research Institute of Biotechnology & Medical Converged Science, Dongguk University-Seoul, Goyang-si, 10326 Republic of Korea
| | - Gitishree Das
- Research Institute of Biotechnology & Medical Converged Science, Dongguk University-Seoul, Goyang-si, 10326 Republic of Korea
| | - Leonardo Fernandes Fraceto
- Sao Paulo State University (UNESP), Institute of Science and Technology, Sorocaba, São Paulo Zip Code 18087-180 Brazil
- Department of Biochemistry and Tissue Biology, Institute of Biology, State University of Campinas, Campinas, São Paulo Zip code 13083-862 Brazil
| | - Estefania Vangelie Ramos Campos
- Sao Paulo State University (UNESP), Institute of Science and Technology, Sorocaba, São Paulo Zip Code 18087-180 Brazil
- Department of Biochemistry and Tissue Biology, Institute of Biology, State University of Campinas, Campinas, São Paulo Zip code 13083-862 Brazil
| | - Maria del Pilar Rodriguez-Torres
- Laboratorio de Investigación Interdisciplinaria, Área de Nanoestructuras y Biomateriales, Escuela Nacional de Estudios Superiores, Unidad Leon, Universidad Nacional Autonóma de México (UNAM), Boulevard UNAM No 2011. Predio El Saucillo y El Potrero, 37684 León, Guanajuato Mexico
| | - Laura Susana Acosta-Torres
- Laboratorio de Investigación Interdisciplinaria, Área de Nanoestructuras y Biomateriales, Escuela Nacional de Estudios Superiores, Unidad Leon, Universidad Nacional Autonóma de México (UNAM), Boulevard UNAM No 2011. Predio El Saucillo y El Potrero, 37684 León, Guanajuato Mexico
| | | | - Renato Grillo
- Department of Physics and Chemistry, School of Engineering, São Paulo State University (UNESP), Ilha Solteira, SP 15385-000 Brazil
| | - Mallappa Kumara Swamy
- Department of Crop Science, Faculty of Agriculture, Universiti Putra Malaysia, 43400 Serdang, Selangor Malaysia
| | - Shivesh Sharma
- Department of Biotechnology, Motilal Nehru National Institute of Technology Allahabad, Allahabad, Uttar Pradesh 211004 India
| | - Solomon Habtemariam
- Pharmacognosy Research Laboratories & Herbal Analysis Services UK, University of Greenwich, Medway Campus-Science, Grenville Building (G102/G107), Central Avenue, Chatham-Maritime, Kent, ME4 4TB UK
| | - Han-Seung Shin
- Department of Food Science and Biotechnology, Dongguk University, Ilsandong-gu, Goyang, Gyeonggi-do 10326 Republic of Korea
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Wu M, Li Y, Guo D, Kui G, Li B, Deng Y, Li F. Microbial Diversity of Chronic Wound and Successful Management of Traditional Chinese Medicine. Evid Based Complement Alternat Med 2018; 2018:9463295. [PMID: 30105079 DOI: 10.1155/2018/9463295] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/06/2018] [Revised: 05/29/2018] [Accepted: 06/04/2018] [Indexed: 01/30/2023]
Abstract
Chronic ulcer, including diabetic ulcer, varicose ulcer, and pressure ulcer, negatively affects patients' quality of life. As microbiology plays an important role in the mechanism of pathology for chronic wound healing, this study concentrates on microecology environment of the wound and how Traditional Chinese Medicine (TCM) regulates wound bacteria. Method. The study took wound samples from 35 patients and analyzed bacteria variation before and after TCM treatment by 16s rRNA sequencing. All samples were evaluated from aspects of α-diversity, β-diversity, and Simpson's Diversity index. Result. After total DNA extraction, PCR, and 16S rRNA sequencing of wound bacteria from 35 individuals, it was discovered that younger patients with shorter course of disease have a higher microbial diversity and were easier to recover from ulcers. Additionally, gender also played a vital role in wound healing, and a significant microbial diversity existed between male and female patients. Conclusion. Patients with chronic ulcers achieved a positive effect after TCM treatment (skin-producing ointment). Mechanistically, TCM helped promote wound healing by regulating the wound microbiota.
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Davison-Kotler E, Sharma V, Kang NV, García-Gareta E. A Universal Classification System of Skin Substitutes Inspired by Factorial Design. Tissue Eng Part B Rev 2018; 24:279-288. [PMID: 29336231 DOI: 10.1089/ten.teb.2017.0477] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
The complexity of the dermal layer of skin means that damage to this section can result in permanent impairment of function. Partial or total dermal loss is a feature of deep burns and chronic wounds such as pressure sores or diabetic ulcers. The issues posed by traditional skin grafts have led to substantial research being carried out in the fields of tissue engineering and biomaterials science to develop a vast array of alternative skin substitutes. Given the large number of different materials, manufacturing methods, and techniques for implementation described for artificial skin substitutes, many classification systems have been created to simplify their categorization. Some of these systems are oriented toward clinicians while others toward researchers. However, none address the needs of both groups and none are intuitive. The creation of an effective classification system would be particularly helpful in the regulation, distribution, organization, and selection of skin substitutes. The aim of this review is to examine existing methods of classification of skin substitutes, and to propose a new system that uses an algorithm that is inspired by factorial design. Our system allows multiple factors to be simultaneously investigated or in this case, described, since all skin substitutes possess multiple characteristics: (1) cellularity (acellular or cellular), (2) layering (single layer or bilayer), (3) replaced region (epidermis, dermis, or both), (4) materials used (natural, synthetic, or both), and (5) permanence (temporary or permanent). The factors and levels are combined into an algorithm where all the possible combinations are shown. The multifactorial and palindromic structure of our system should enable all users to quickly understand the makeup of a selected skin substitute, or search for a skin substitute depending on their specific requirements. We feel that our proposed classification can be used by clinicians and biomedical researchers alike, which should be an advantage given the multidisciplinary nature of the tissue engineering field and the science that underpins the development of skin substitutes. We also touch upon some of the state-of-the-art skin substitutes that are commercially available or under development to demonstrate how our new method of classification might work.
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Affiliation(s)
- Evan Davison-Kotler
- 1 Regenerative Biomaterials Group, RAFT Institute , Mount Vernon Hospital, Northwood, United Kingdom
| | - Vaibhav Sharma
- 1 Regenerative Biomaterials Group, RAFT Institute , Mount Vernon Hospital, Northwood, United Kingdom
| | | | - Elena García-Gareta
- 1 Regenerative Biomaterials Group, RAFT Institute , Mount Vernon Hospital, Northwood, United Kingdom
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Kump K. Role of the APRN Wound Care Clinician in the Management of Lower Extremity Arterial Disease Wounds. J Wound Ostomy Continence Nurs 2018; 45:87-89. [DOI: 10.1097/won.0000000000000399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Pereira RF, Sousa A, Barrias CC, Bayat A, Granja PL, Bártolo PJ. Advances in bioprinted cell-laden hydrogels for skin tissue engineering. ACTA ACUST UNITED AC 2017. [DOI: 10.1007/s40898-017-0003-8] [Citation(s) in RCA: 58] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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Faragò S, Lucconi G, Perteghella S, Vigani B, Tripodo G, Sorrenti M, Catenacci L, Boschi A, Faustini M, Vigo D, Chlapanidas T, Marazzi M, Torre ML. A dry powder formulation from silk fibroin microspheres as a topical auto-gelling device. Pharm Dev Technol 2015; 21:453-62. [PMID: 25757645 DOI: 10.3109/10837450.2015.1022784] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
With the aim of establishing the formulation of a new hydrophilic auto-gelling medical device for biomedical applications, fibroin-based microspheres were prepared. The proposed microspheres were produced by a cost-effective and industrially scalable technique, such as the spray-drying. Spray-dried silk fibroin microspheres were obtained and the effects of different hydrophilic polymer on the process yield, microsphere morphology and conformation transition of fibroin were evaluated. The final auto-gelling formulations were obtained by adding calcium gluconate (as a calcium source for alginate crosslinking) to the prepared microspheres and tested by an in vitro gelling test. This study showed that the combination of fibroin with sodium alginate and poloxamer produced the most promising auto-gelling formulation for specific biomedical applications, such as the treatment of pressure ulcers.
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Affiliation(s)
- Silvio Faragò
- a Silk Division , Innovhub, Stazioni Sperimentali per l'Industria , Milan , Italy
| | - Giulia Lucconi
- b Department of Drug Sciences , University of Pavia , Pavia , Italy
| | - Sara Perteghella
- b Department of Drug Sciences , University of Pavia , Pavia , Italy
| | - Barbara Vigani
- b Department of Drug Sciences , University of Pavia , Pavia , Italy
| | - Giuseppe Tripodo
- b Department of Drug Sciences , University of Pavia , Pavia , Italy
| | - Milena Sorrenti
- b Department of Drug Sciences , University of Pavia , Pavia , Italy
| | - Laura Catenacci
- b Department of Drug Sciences , University of Pavia , Pavia , Italy
| | - Alessandra Boschi
- a Silk Division , Innovhub, Stazioni Sperimentali per l'Industria , Milan , Italy
| | - Massimo Faustini
- c Department of Veterinary Science and Public Health , University of Milan , Milan , Italy , and
| | - Daniele Vigo
- c Department of Veterinary Science and Public Health , University of Milan , Milan , Italy , and
| | | | - Mario Marazzi
- d Struttura Semplice Tissue Therapy, Niguarda Hospital , Milan , Italy
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Fu Y, Guan J, Guo S, Guo F, Niu X, Liu Q, Zhang C, Nie H, Wang Y. Human urine-derived stem cells in combination with polycaprolactone/gelatin nanofibrous membranes enhance wound healing by promoting angiogenesis. J Transl Med 2014; 12:274. [PMID: 25274078 PMCID: PMC4189744 DOI: 10.1186/s12967-014-0274-2] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2014] [Accepted: 09/19/2014] [Indexed: 12/26/2022] Open
Abstract
Background Despite advancements in wound healing techniques and devices, new treatments are needed to improve therapeutic outcomes. This study aimed to evaluate the potential use of a new biomaterial engineered from human urine-derived stem cells (USCs) and polycaprolactone/gelatin (PCL/GT) for wound healing. Methods USCs were isolated from healthy individuals. To fabricate PCL/GT composite meshes, twin-nozzle electrospinning were used to spin the PCL and gelatin solutions in normal organic solvents. The morphologies and hydrophilicity properties of PCL/GT membranes were investigated. After USCs were seeded onto a PCL/GT, cell adhesion, morphology, proliferation, and cytotoxicity were examined. Then, USCs were seeded on a PCL/GT blend nanofibrous membrane and transplanted into rabbit full-thickness skin defects for wound repair. Finally, the effect of USCs condition medium on proliferation, migration, and tube formation of human umbilical vein endothelial cells (HUVECs) were performed in vitro. Results USCs were successfully isolated from urine samples and expressed specific mesenchymal stem cells markers and could differentiate into osteoblasts, adipocytes, and chondrocytes. PCL/GT membrane has suitable mechanical properties similar with skin tissue and has good biocompatibility. USCs-PCL/GT significantly enhanced the healing of full-thickness skin wounds in rabbits compared to wounds treated with PCL/GT membrane alone or untreated wounds. USCs-PCL/GT-treated wounds closed much faster, with increased re-epithelialization, collagen formation, and angiogenesis. Moreover, USCs could secrete VEGF and TGF-β1, and USC-conditioned medium enhanced the migration, proliferation, and tube formation of endothelial cells. Conclusion USCs in combination with PCL/GT significantly prompted the healing of full-thickness skin wounds in rabbits. USCs based therapy provides a novel strategy for accelerating wound closure and promoting angiogenesis.
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Affiliation(s)
- Yinxin Fu
- Institute of Microsurgery on Extremities, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, 200233, China. .,Department of Clinical Laboratory, Pu' ai Hospital Affiliated to Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, China.
| | - Junjie Guan
- Institute of Microsurgery on Extremities, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, 200233, China.
| | - Shangchun Guo
- Institute of Microsurgery on Extremities, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, 200233, China.
| | - Fei Guo
- Jiangxi Origin Bio-TECH Co. LTD, Nanchang, 330006, China.
| | - Xin Niu
- Institute of Microsurgery on Extremities, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, 200233, China.
| | - Qiang Liu
- Jiangxi Origin Bio-TECH Co. LTD, Nanchang, 330006, China.
| | - Changqing Zhang
- Institute of Microsurgery on Extremities, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, 200233, China.
| | - Huarong Nie
- Jiangxi Origin Bio-TECH Co. LTD, Nanchang, 330006, China. .,Jiangxi Chuanqi pharmaceutical Co., LTD, Nanchang, 330039, China.
| | - Yang Wang
- Institute of Microsurgery on Extremities, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, 200233, China.
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Vyas KS, Vasconez HC. Wound Healing: Biologics, Skin Substitutes, Biomembranes and Scaffolds. Healthcare (Basel) 2014; 2:356-400. [PMID: 27429283 PMCID: PMC4934597 DOI: 10.3390/healthcare2030356] [Citation(s) in RCA: 67] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2014] [Revised: 07/08/2014] [Accepted: 08/19/2014] [Indexed: 12/25/2022] Open
Abstract
This review will explore the latest advancements spanning several facets of wound healing, including biologics, skin substitutes, biomembranes and scaffolds.
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Affiliation(s)
- Krishna S Vyas
- Division of Plastic Surgery, Department of Surgery, University of Kentucky, Kentucky Clinic K454, 740 South Limestone, Lexington, KY 40536, USA.
| | - Henry C Vasconez
- Division of Plastic Surgery, Department of Surgery, University of Kentucky, Kentucky Clinic K454, 740 South Limestone, Lexington, KY 40536, USA.
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16
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Marchesi A, Marchesi M, Parodi P, Vaienti L, Brambilla R, Brioschi M. Allogeneic epidermal substitutes in the treatment of chronic diabetic leg and foot ulcers. ACTA ACUST UNITED AC 2014. [DOI: 10.4103/2347-9264.139706] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
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