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Hayashi Y, Ohnishi H, Kitano M, Kishimoto Y, Takezawa T, Okuyama H, Yoshimatsu M, Kuwata F, Tada T, Mizuno K, Omori K. Comparative Study of Immunodeficient Rat Strains in Engraftment of Human-Induced Pluripotent Stem Cell-Derived Airway Epithelia. Tissue Eng Part A 2024; 30:144-153. [PMID: 37950719 DOI: 10.1089/ten.tea.2023.0214] [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] [Indexed: 11/13/2023] Open
Abstract
The airway epithelia (AE) play a role in the clearance of foreign substances through ciliary motility and mucus secreted. We developed an artificial trachea that is made of collagen sponges and polypropylene mesh for the regeneration of the tracheal defect, and it was used for a clinical study. Then, a model in which the luminal surface of an artificial trachea was covered with a human-induced pluripotent stem cell-derived AE (hiPSC-AE) was transplanted into the tracheal defect of nude rats to promote epithelialization. In the future, this model was expected to be applied to research on infectious diseases and drug discovery as a trachea-humanized rat model. However, at present, sufficient engraftment has not been achieved to evaluate functional recovery in transplanted cells. Therefore, this study focused on immunosuppression in recipient rats. Nude rats lack T cell function and are widely used for transplantation experiments; however, more severe immunosuppressed recipients are preferred for xenotransplantation. Several strains of immunodeficient rats were created as rats that exhibit more severe immunodeficiency until now. In this study, to establish a trachea-humanized rat model in which human AE function can be analyzed to improve engraftment efficiency, engraftment efficiency in nude rats and X-linked severe combined immunodeficiency (X-SCID) rats following hiPSC-AE transplantation was compared. In the analysis of the proportion of engrafted cells in total cells at the graft site, the engraftment efficiency of epithelial cells tended to be high in X-SCID rats, although no statistical difference was found between the two groups, whereas the engraftment efficiency of mesenchymal cells was higher in X-SCID rats. Furthermore, the number of immune cells that accumulated in the grafts showed that a pan T cell marker, that is, CD3-positive cells, did not differ between the two strains; however, CD45-positive cells and major histocompatibility complex (MHC) class II-positive cells significantly decreased in X-SCID rats. These results indicate that X-SCID rats are more useful for the transplantation of hiPSC-AE into the tracheae to generate trachea-humanized rat models.
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Affiliation(s)
- Yasuyuki Hayashi
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of medicine, Kyoto University, Kyoto, Japan
| | - Hiroe Ohnishi
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of medicine, Kyoto University, Kyoto, Japan
| | - Masayuki Kitano
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of medicine, Kyoto University, Kyoto, Japan
| | - Yo Kishimoto
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of medicine, Kyoto University, Kyoto, Japan
| | - Toshiaki Takezawa
- Faculty of Pharmacy, Chiba Institute of Science, Chiba, Japan
- Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Ibaraki, Japan
| | - Hideaki Okuyama
- Faculty of Medicine and Health Sciences, School of Communication Sciences and Disorders, McGill University, Montreal, Canada
| | - Masayoshi Yoshimatsu
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of medicine, Kyoto University, Kyoto, Japan
- Department of Otolaryngology, Head and Neck Surgery, Graduate School of Medical and Dental Sciences, Kagoshima University, Kagoshima, Japan
| | - Fumihiko Kuwata
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of medicine, Kyoto University, Kyoto, Japan
| | - Takeshi Tada
- Center for Inflammation, Immunity and Infection Institute for Biomedical Sciences, Georgia State University, Atlanta, Georgia, USA
| | - Keisuke Mizuno
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of medicine, Kyoto University, Kyoto, Japan
| | - Koichi Omori
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of medicine, Kyoto University, Kyoto, Japan
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2
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Wang Z, Xiao C, Roy M, Yuan Z, Zhao L, Liu Y, Guo X, Lu P. Bioinspired skin towards next-generation rehabilitation medicine. Front Bioeng Biotechnol 2023; 11:1196174. [PMID: 37229496 PMCID: PMC10203386 DOI: 10.3389/fbioe.2023.1196174] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Accepted: 04/24/2023] [Indexed: 05/27/2023] Open
Abstract
The rapid progress of interdisciplinary researches from materials science, biotechnologies, biomedical engineering, and medicine, have resulted in the emerging of bioinspired skins for various fantasticating applications. Bioinspired skin is highly promising in the application of rehabilitation medicine owing to their advantages, including personalization, excellent biocompatibility, multi-functionality, easy maintainability and wearability, and mass production. Therefore, this review presents the recent progress of bioinspired skin towards next-generation rehabilitation medicine. The classification is first briefly introduced. Then, various applications of bioinspired skins in the field of rehabilitation medicine at home and abroad are discussed in detail. Last, we provide the challenges we are facing now, and propose the next research directions.
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Affiliation(s)
- Zhenghui Wang
- Department of Rehabilitation, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
| | - Chen Xiao
- Department of Rehabilitation, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
| | - Mridul Roy
- Department of Oncology, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
| | - Zhiyao Yuan
- SanQuan College of Xinxiang Medical University, Xinxiang, China
| | - Lingyu Zhao
- Department of Rehabilitation, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
| | - Yanting Liu
- Department of Oncology, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
| | - Xuejun Guo
- Department of Rehabilitation, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
| | - Ping Lu
- Department of Oncology, The First Affiliated Hospital of Xinxiang Medical University, Weihui, China
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3
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Wei Y, Tang J, Li J, Hou X, Li L, Zhang D, Chai D, Zhao M, Liu F. A novel tetra-PEG based hydrogel for prevention of esophageal stricture after ESD in a porcine model. Colloids Surf B Biointerfaces 2023; 226:113321. [PMID: 37167771 DOI: 10.1016/j.colsurfb.2023.113321] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 04/06/2023] [Accepted: 04/18/2023] [Indexed: 05/13/2023]
Abstract
Endoscopic submucosal dissection (ESD) is an accepted treatment for early esophageal cancer and precancerous lesions, but resection of a large mucosal area often leads to postoperative esophageal stricture. Biomaterials provide a new option for the treatment of post-ESD ulcers. In this study, we developed a well-defined ammonolysis-based tetra-armed poly (ethylene glycol) (Tetra-PEG) hydrogel and investigated its efficacy and related mechanisms for preventing esophageal ESD-induced stricture in a porcine model. In terms of material properties, Tetra-PEG hydrogel present great biocompatibility,great capability to retain moisture, strong tissue adhesion and high mechanical strength. Then, six domestic female pigs were randomly divided into PEG (n = 3) and control groups (n = 3). A 3/4 of the esophageal circumference ESD was performed in all pigs. In PEG group, Tetra-PEG hydrogel was easily delivered via endoscopy and adhered to the ulcer bed tightly. Compared to control group, Tetra-PEG hydrogel accelerated esophageal ulcer healing at an early stage with enhanced epithelium regeneration, milder inflammation and lesser fibrosis by regulating TGF-β/Smad2 signaling. Taken together, our findings reveal Tetra-PEG hydrogel is a promising and attractive candidate for preventing the formation of fibrotic stricture in the process of esophageal ESD-induced ulcer repair.
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Affiliation(s)
- Yunlei Wei
- Anhui University of Science and Technology, Huainan, China
| | - Jian Tang
- Digestive Endoscopy Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China; Department of Gastroenterology, Changhai Hospital, Second Military Medical University (Naval Medical University), Shanghai, China
| | - Jun Li
- Digestive Endoscopy Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Xiaojia Hou
- Digestive Endoscopy Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Lei Li
- Digestive Endoscopy Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Di Zhang
- Bengbu First People's Hospital, Bengbu, China
| | - Duo Chai
- Digestive Endoscopy Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China
| | - Min Zhao
- Bengbu First People's Hospital, Bengbu, China
| | - Feng Liu
- Digestive Endoscopy Center, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, China.
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4
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Kuwata F, Ohnishi H, Yamamoto N, Takezawa T, Yamashita M, Okuyama H, Hayashi Y, Yoshimatsu M, Kitada Y, Tada T, Kobayashi M, Omori K. Transplantation of human iPS cell-derived airway cells on vitrigel membrane into rat nasal cavity. Tissue Eng Part A 2021; 28:586-594. [PMID: 34841888 DOI: 10.1089/ten.tea.2021.0071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The nasal mucosa functions as a frontline biological defense against various foreign substances and pathogens. Maintaining homeostasis of the nasal epithelium is necessary to promote good health. Nasal epithelia are constantly replaced under normal conditions. However, hereditary diseases, including primary ciliary dyskinesia and cystic fibrosis, can result in intractable dysfunction of the nasal mucosa. Since there is no treatment for this underlying condition, extrinsic manipulation is necessary to recover and maintain nasal epithelia in cases of hereditary diseases. In this study, we explored the use of airway epithelial cells (AECs), including multi-ciliated airway cells (MCACs), derived from human induced pluripotent stem cells (hiPSCs) on porcine atelocollagen vitrigel membranes, as a candidate of a therapeutic method for irreversible nasal epithelial disorders. To confirm the regenerative capacity of iPSC-derived AECs, we transplanted them into nasal cavities of nude rats. Although the transplanted cells were found within cysts isolated from the recipient nasal respiratory epithelia, they survived in some rats. Furthermore, the surviving cells were composed of multiple cell types similar to the human airway epithelia. The results could contribute to the development of novel transplantation-related technologies for the treatment of severe irreversible nasal epithelial disorders.
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Affiliation(s)
- Fumihiko Kuwata
- Kyoto University Graduate School of Medicine Faculty of Medicine, 38049, Otolaryngology, Head and Neck Surgery, Kyoto, Japan;
| | - Hiroe Ohnishi
- Kyoto University Graduate School of Medicine Faculty of Medicine, 38049, Otolaryngology, Head and Neck Surgery, Kyoto, Japan;
| | - Norio Yamamoto
- Kyoto University Graduate School of Medicine Faculty of Medicine, 38049, Otolaryngology, Head and Neck Surgery, 54 Shogoin Kawahara-cho, Sakyo-ku, Kyoto, Japan, 606-8501;
| | - Toshiaki Takezawa
- Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Division of Biotechnology, Ohwashi 1-2, Tsukuba, Ibaraki, Japan, 305-8634;
| | - Masaru Yamashita
- Kagoshima University Graduate School of Medicine and Dental Sciences, 208512, Kagoshima, Kagoshima, Japan;
| | - Hideaki Okuyama
- Kyoto University Graduate School of Medicine Faculty of Medicine, 38049, Otolaryngology, Head and Neck Surgery, Kyoto, Japan;
| | - Yasuyuki Hayashi
- Kyoto University Graduate School of Medicine Faculty of Medicine, 38049, Otolaryngology, Head and Neck Surgery, Kyoto, Japan;
| | - Masayoshi Yoshimatsu
- Kyoto University Graduate School of Medicine Faculty of Medicine, 38049, Otolaryngology, Head and Neck Surgery, Kyoto, Japan;
| | - Yuji Kitada
- Kyoto University Graduate School of Medicine Faculty of Medicine, 38049, Otolaryngology, Head and Neck Surgery, Kyoto, Japan;
| | - Takeshi Tada
- Jikei University School of Medicine, 12839, Minato-ku, Tokyo, Japan;
| | - Masayoshi Kobayashi
- Mie University Graduate School of Medicine Faculty of Medicine, 38072, Otolaryngology, Head and Neck Surgery, Tsu, Mie, Japan;
| | - Koichi Omori
- Kyoto University Graduate School of Medicine Faculty of Medicine, 38049, Otolaryngology, Head and Neck Surgery, Kyoto, Japan;
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5
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Hashiguchi M, Takezawa T, Nagase K, Tayama-Abe M, Matsuhisa F, Kitajima S, Morito S, Yamaji K, Futamata M, Sakata Y, Akutagawa T, Yokoyama M, Toda S, Aoki S. Collagen Vitrigel Membrane-Coated Nylon Line Prevents Stenosis After Conization of the Cervix Uteri. Tissue Eng Part A 2021; 27:1480-1489. [PMID: 33813837 DOI: 10.1089/ten.tea.2020.0374] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Cervical stenosis is a postoperative complication of conization for uterine cervical malignancy, but a standard method of preventing this complication has yet to be established. Collagen vitrigel is a collagen-based biomaterial that has antifibrotic and epithelization promoting actions. We evaluated the antistenotic effect of an indwelling collagen vitrigel membrane-coated nylon line (CVNL) after cervical conization in rabbits. In one group of rabbits, a CVNL was placed in the cervical canal after conization. In another group, a nylon line without a collagen coating was placed in the cervical canal after conization. The control group underwent cervical conization without placement of a device. The control (conization alone) and nylon (conization plus indwelling nylon line) groups exhibited cervical swelling. Rabbits in the CVNL group (cervical conization plus indwelling CVNL in the xerogel state) had a normal cervical surface. The cervical canal in the control group was enlarged and showed cystic changes attributed to cervical stenosis. The nylon group exhibited a trend toward cervical canal dilatation. In the CVNL group, the cervical canal was normal and did not show cystic dilatation. Fibrosis occurred to a lesser degree in the nylon group than in the control group, and the CVNL group exhibited minimal interstitial fibrosis. The control and nylon groups showed increased numbers of myofibroblasts in the regenerated cervix, but few myofibroblasts were observed in the CVNL group. Abundant collagen type III was observed in regenerated cervical tissue in the control and nylon groups but not in the CVNL group. The number of proliferative mesenchymal cells in the regenerated cervix was lowest in the CVNL group. The expressions of connective tissue growth factor (CTGF, a regulator of fibroblast growth and extracellular matrix secretion), extracellular signal-regulated protein kinases 1 and 2, and c-Jun N-terminal kinase (which are involved in the induction of CTGF by transforming growth factor-β) were lower in the CVNL group than in the control or nylon groups. This study describes an indwelling CVNL that prevents cervical stenosis and cystic changes after conization. These effects were likely mediated by inhibition of fibrosis, myofibroblast emergence, CTGF expression, and collagen type III deposition in regenerating cervix. Impact statement Collagen vitrigel is a high-density collagen material that promotes epithelization, inhibits fibrosis, and suppresses inflammation in regenerating tissue. We evaluated whether a collagen vitrigel membrane-coated nylon line would prevent cervical stenosis after conization in the rabbit. We found that an indwelling collagen vitrigel membrane-coated nylon line prevented cervical canal stenosis and cystic changes after cervical conization by inhibiting fibrosis, myofibroblast emergence, connective tissue growth factor expression, and collagen type III deposition in the regenerating cervix. Our device has potential as a new method of preventing cervical canal fibrosis and stenosis after conization for cervical cancer.
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Affiliation(s)
- Mariko Hashiguchi
- Department of Obstetrics and Gynecology, Faculty of Medicine, Saga University, Saga, Japan
| | - Toshiaki Takezawa
- Vitrigel Project Research Team, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Tsukuba, Japan
| | - Kei Nagase
- Department of Pathology and Microbiology, Faculty of Medicine, Saga University, Saga, Japan
| | - Mizuki Tayama-Abe
- Vitrigel Project Research Team, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Tsukuba, Japan
| | - Fumikazu Matsuhisa
- Biological Resources and Development, Analytical Research Center for Experimental Sciences, Saga University, Saga, Japan
| | - Shuji Kitajima
- Biological Resources and Development, Analytical Research Center for Experimental Sciences, Saga University, Saga, Japan
| | - Sayuri Morito
- Department of Pathology and Microbiology, Faculty of Medicine, Saga University, Saga, Japan
| | - Kotaro Yamaji
- Department of Pathology and Microbiology, Faculty of Medicine, Saga University, Saga, Japan
| | - Maki Futamata
- Department of Pathology and Microbiology, Faculty of Medicine, Saga University, Saga, Japan
| | - Yasuhisa Sakata
- Department of Internal Medicine and Gastrointestinal Endoscopy, Faculty of Medicine, Saga University, Saga, Japan
| | - Takashi Akutagawa
- Department of Pathology and Microbiology, Faculty of Medicine, Saga University, Saga, Japan.,Department of Internal Medicine and Gastrointestinal Endoscopy, Faculty of Medicine, Saga University, Saga, Japan
| | - Masatoshi Yokoyama
- Department of Obstetrics and Gynecology, Faculty of Medicine, Saga University, Saga, Japan
| | - Shuji Toda
- Department of Pathology and Microbiology, Faculty of Medicine, Saga University, Saga, Japan.,Department of Pathology, Takagi Hospital, Okawa, Japan
| | - Shigehisa Aoki
- Department of Pathology and Microbiology, Faculty of Medicine, Saga University, Saga, Japan
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6
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Araujo TAT, Almeida MC, Avanzi I, Parisi J, Simon Sales AF, Na Y, Renno A. Collagen membranes for skin wound repair: A systematic review. J Biomater Appl 2020; 36:95-112. [PMID: 33349104 DOI: 10.1177/0885328220980278] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Membranes or skin dressing are common treatments for skin wound injuries, collagen being one the most effective materials for their manufacturing. Many different sources of collagen with diverse methods of extraction and processing have been used, with evidence of positive effects on the stimulation of skin wound healing. In spite of these factors, there is still limited understanding of the interaction between collagen membranes and biological tissues, especially due to the series of different types of collagen origin. In this context, this study aimed to conduct a systematic review of the available literature examining the effect of various collagen membranes for accelerating skin wound healing in experimental animal models and clinical trials. The present review was performed from March to May of 2020 searching in two databases (PubMed and Scopus). The following Medical Subject Headings (MeSH) descriptors were used: "collagen", "dressing", "membranes", "skin" and "wound". After the eligibility assessment, 16 studies were included and analyzed. The studies demonstrated that collagen was obtained predominantly from bovine and porcine sources, by acetic acid and/or enzyme dissolution. Additionally, most of the studies demonstrated that the membranes were processed mainly by freeze-drying or lyophilization methods. All the in vivo and clinical trial studies evidenced positive outcomes in the wound healing process, thus confirming that collagen membranes are one of the most efficient treatment for skin wounds, highlighting the enormous potential of this biomaterial to be used for skin tissue engineering purposes.
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Affiliation(s)
| | - Matheus Cruz Almeida
- Department of Biosciences, Universidade Federal de Sao Paulo (UNIFESP), Santos, Brazil
| | - Ingrid Avanzi
- Department of Biosciences, Universidade Federal de Sao Paulo (UNIFESP), Santos, Brazil.,Sao Paulo State Faculty of Technology (FATEC), Santos, Brazil
| | - Julia Parisi
- Department of Biosciences, Universidade Federal de Sao Paulo (UNIFESP), Santos, Brazil
| | | | - Yu Na
- National Dental Centre, Singapore, Singapore
| | - Ana Renno
- Department of Biosciences, Universidade Federal de Sao Paulo (UNIFESP), Santos, Brazil
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7
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Li P, Zhang A, Zhou S. One-component waterborne in vivo cross-linkable polysiloxane coatings for artificial skin. J Biomed Mater Res B Appl Biomater 2019; 108:1725-1737. [PMID: 31816168 DOI: 10.1002/jbm.b.34517] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2019] [Revised: 09/02/2019] [Accepted: 11/04/2019] [Indexed: 12/14/2022]
Abstract
Polysiloxane-based artificial skins are able to emulate the mechanical and barrier performance of human skin. However, they are usually fabricated in vitro, restricting their diverse applications on human body. Herein, we presented one-component waterborne cross-linkable polysiloxane coatings prepared from emulsified vinyl dimethicone, emulsified hydrogen dimethicone, and Karstedt catalyst capsules that were first synthesized by solvent evaporation method. The coating had good storage stability and meanwhile could form an elastic film quickly through merging of silicone oil droplets and subsequent hydrosilylation reaction. It was found that the mass ratio of vinyl dimethicone emulsion/hydrogen dimethicone emulsion (V/H), and the dosage of Karstedt catalyst capsules (K/(V + H)) were critical to the curing time, morphology, and mechanical properties of the coatings. With appropriate values of V/H and K/(V + H), the polysiloxane film had the mechanical performance comparable to that from solvent-based one. The coating could be topically applied to human skin in vivo and in situ turned into an elastic, invisible thin film with good water resistance. In contrast to those reported polysiloxane materials, the one-component waterborne polysiloxane coating was nontoxic and convenient for in vivo application on human body, making it be a promising candidate as artificial skin in the fields of cosmetics, medical treatment, and E-skin.
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Affiliation(s)
- Ping Li
- Department of Materials Science, State Key Laboratory of Macromolecular Engineering, Advanced Coatings Research Center of Ministry of Education of China, Fudan University, Shanghai, China
| | - Ailing Zhang
- Department of Materials Science, State Key Laboratory of Macromolecular Engineering, Advanced Coatings Research Center of Ministry of Education of China, Fudan University, Shanghai, China
| | - Shuxue Zhou
- Department of Materials Science, State Key Laboratory of Macromolecular Engineering, Advanced Coatings Research Center of Ministry of Education of China, Fudan University, Shanghai, China
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8
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Okuyama H, Ohnishi H, Nakamura R, Yamashita M, Kishimoto Y, Tateya I, Suehiro A, Gotoh S, Takezawa T, Nakamura T, Omori K. Transplantation of multiciliated airway cells derived from human iPS cells using an artificial tracheal patch into rat trachea. J Tissue Eng Regen Med 2019; 13:1019-1030. [PMID: 30809958 DOI: 10.1002/term.2849] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 02/16/2019] [Accepted: 02/21/2019] [Indexed: 12/16/2022]
Abstract
Tracheal resection is often performed for malignant tumours, congenital anomalies, inflammatory lesions, and traumatic injuries. There is no consensus on the best approach for the restoration of tracheal functionality in patients with tracheal defects. Artificial grafts made of polypropylene and collagen sponge have been clinically used by our group. However, 2 months are required to achieve adequate epithelialization of the grafts in humans. This study aimed to investigate the feasibility of transplantation therapy using an artificial trachea with human-induced pluripotent stem cell (hiPSC)-derived multiciliated airway cells (hiPSC-MCACs). Collagen vitrigel membrane, a biocompatible and absorbable material, was used as a scaffold to cover the artificial trachea with hiPSC-MCACs. Analyses of hiPSC-MCACs on collagen vitrigel membrane were performed by immunocytochemistry and electron microscopy and by assessing ciliary beat frequency. Along with the artificial trachea, hiPSC-MCACs were transplanted into surgically created tracheal defects of immunodeficient rats. The survival of transplanted cells was histologically evaluated at 1 and 2 weeks after the transplantation. The hiPSC-MCACs exhibited motile cilia on collagen vitrigel membrane. The surviving hiPSC-MCACs were observed in the endotracheal epithelium of the tracheal defect at 1 and 2 weeks after transplantation. These results suggest that hiPSC-MCAC is a useful candidate for tracheal reconstruction.
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Affiliation(s)
- Hideaki Okuyama
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Hiroe Ohnishi
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ryosuke Nakamura
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Masaru Yamashita
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Yo Kishimoto
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Ichiro Tateya
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Atsushi Suehiro
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Shimpei Gotoh
- Department of Respiratory Medicine, Department of Drug Discovery for Lung Diseases, Graduate School of Medicine, Kyoto University, Kyoto, Japan
| | - Toshiaki Takezawa
- Division of Biotechnology, Institute of Agrobiological Sciences, National Agriculture and Food Research Organization, Ibaraki, Japan
| | - Tatsuo Nakamura
- Department of Bioartificial Organs, Institute for Frontier Life and Medical Sciences, Kyoto University, Kyoto, Japan
| | - Koichi Omori
- Department of Otolaryngology-Head and Neck Surgery, Graduate School of Medicine, Kyoto University, Kyoto, Japan
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9
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Aoki S, Takezawa T, Nagase K, Oshikata-Mitazaki A, Morito S, Sakumoto T, Masuda M, Yamamoto-Rikitake M, Akutagawa T, Toda S. A high-density collagen xerogel thread prevents the progression of peritoneal fibrosis. Biomater Sci 2019; 7:125-138. [DOI: 10.1039/c8bm00536b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An inserted high-density collagen xerogel thread prevents pathological fibrosis through the inhibition of inflammation and stromal cell proliferation in the peritoneum.
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Affiliation(s)
- Shigehisa Aoki
- Department of Pathology and Microbiology
- Faculty of Medicine
- Saga University
- Saga
- Japan
| | - Toshiaki Takezawa
- Division of Biotechnology
- Institute of Agrobiological Sciences
- National Agriculture and Food Research Organization
- Ibaraki
- Japan
| | - Kei Nagase
- Department of Pathology and Microbiology
- Faculty of Medicine
- Saga University
- Saga
- Japan
| | - Ayumi Oshikata-Mitazaki
- Division of Biotechnology
- Institute of Agrobiological Sciences
- National Agriculture and Food Research Organization
- Ibaraki
- Japan
| | - Sayuri Morito
- Department of Pathology and Microbiology
- Faculty of Medicine
- Saga University
- Saga
- Japan
| | - Takehisa Sakumoto
- Department of Pathology and Microbiology
- Faculty of Medicine
- Saga University
- Saga
- Japan
| | - Masanori Masuda
- Department of Pathology and Microbiology
- Faculty of Medicine
- Saga University
- Saga
- Japan
| | | | - Takashi Akutagawa
- Department of Pathology and Microbiology
- Faculty of Medicine
- Saga University
- Saga
- Japan
| | - Shuji Toda
- Department of Pathology and Microbiology
- Faculty of Medicine
- Saga University
- Saga
- Japan
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10
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Dolbashid AS, Mokhtar MS, Muhamad F, Ibrahim F. Potential applications of human artificial skin and electronic skin (e-skin): a review. BIOINSPIRED BIOMIMETIC AND NANOBIOMATERIALS 2018. [DOI: 10.1680/jbibn.17.00002] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Asdani Saifullah Dolbashid
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia; Centre for Innovation in Medical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia
| | - Mas Sahidayana Mokhtar
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia; Centre for Innovation in Medical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia
| | - Farina Muhamad
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia
| | - Fatimah Ibrahim
- Department of Biomedical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia; Centre for Innovation in Medical Engineering, Faculty of Engineering, University of Malaya, Kuala Lumpur, Malaysia
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High-density collagen patch prevents stricture after endoscopic circumferential submucosal dissection of the esophagus: a porcine model. Gastrointest Endosc 2017; 85:1076-1085. [PMID: 27751874 DOI: 10.1016/j.gie.2016.10.012] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/22/2016] [Accepted: 10/05/2016] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND AIMS Extensive excision of the esophageal mucosa by endoscopic submucosal dissection (ESD) frequently evokes a luminal stricture. This study aimed to determine the efficacy of a high-density collagen patch for the prevention of esophageal stricture in extensive ESD. METHODS Six pigs underwent circumferential esophageal ESD under general anesthesia. In 3 pigs, artificial ulcers were covered by 2 collagen patches. The other 3 pigs underwent circumferential ESD only. RESULTS The 2 collagen patches were settled onto the ulcer surface using a general endoscope and instruments. The collagen patch-treated group showed significantly better patency rates on both the oral and anal sides of the wound area compared with the control group at day 14. The mucosal re-epithelization ratio was significantly promoted, and the extent of mucosal inflammation and fibrosis was significantly decreased with the collagen patch treatment in the wound area. The frequency of cells positive α-smooth muscle actin was significantly reduced in the collagen patch-treated group compared with the control group. CONCLUSIONS We have established a high-density collagen device that can reduce the esophageal stricture associated with extensive ESD. This easy-to-handle device would be useful during superficial esophageal cancer treatment by ESD.
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Maruki H, Sato M, Takezawa T, Tani Y, Yokoyama M, Takahashi T, Toyoda E, Okada E, Aoki S, Mochida J, Kato Y. Effects of a cell-free method using collagen vitrigel incorporating TGF-β1 on articular cartilage repair in a rabbit osteochondral defect model. J Biomed Mater Res B Appl Biomater 2016; 105:2592-2602. [DOI: 10.1002/jbm.b.33792] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2016] [Revised: 08/31/2016] [Accepted: 09/12/2016] [Indexed: 12/25/2022]
Affiliation(s)
- Hideyuki Maruki
- Department of Orthopaedic Surgery; Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku; Tokyo 162-8666 Japan
| | - Masato Sato
- Department of Orthopaedic Surgery, Surgical Science; Tokai University School of Medicine, 143 Shimokasuya; Isehara Kanagawa 259-1193 Japan
| | - Toshiaki Takezawa
- Transgenic Animal Research Center; National Institute of Agrobiological Sciences, 2 Ikenodai; Tsukuba Ibaraki 305-0901 Japan
| | - Yoshiki Tani
- Department of Orthopaedic Surgery, Surgical Science; Tokai University School of Medicine, 143 Shimokasuya; Isehara Kanagawa 259-1193 Japan
| | - Munetaka Yokoyama
- Department of Orthopaedic Surgery, Surgical Science; Tokai University School of Medicine, 143 Shimokasuya; Isehara Kanagawa 259-1193 Japan
| | - Takumi Takahashi
- Department of Orthopaedic Surgery, Surgical Science; Tokai University School of Medicine, 143 Shimokasuya; Isehara Kanagawa 259-1193 Japan
| | - Eriko Toyoda
- Department of Orthopaedic Surgery, Surgical Science; Tokai University School of Medicine, 143 Shimokasuya; Isehara Kanagawa 259-1193 Japan
| | - Eri Okada
- Department of Orthopaedic Surgery, Surgical Science; Tokai University School of Medicine, 143 Shimokasuya; Isehara Kanagawa 259-1193 Japan
| | - Shigehisa Aoki
- Department of Pathology and Microbiology Faculty of Medicine; Saga University, 5-1-1 Nabeshima; Saga 849-8501 Japan
| | - Joji Mochida
- Department of Orthopaedic Surgery, Surgical Science; Tokai University School of Medicine, 143 Shimokasuya; Isehara Kanagawa 259-1193 Japan
| | - Yoshiharu Kato
- Department of Orthopaedic Surgery; Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku; Tokyo 162-8666 Japan
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Byeon JH. Scalable hybrid chemical manufacture to photothermal therapy: PEG-capped phototransducers. Sci Rep 2016; 6:31351. [PMID: 27506291 PMCID: PMC4979092 DOI: 10.1038/srep31351] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2016] [Accepted: 07/18/2016] [Indexed: 01/01/2023] Open
Abstract
Ag-TiO2@polyethylene glycol (PEG) nanoparticles were continuously obtained in a single-pass configuration by appropriately reacting freshly flame-synthesized TiO2 with Ag formed in an ultrasonic aqueous medium containing PEG. When the proposed synthesis was kept constant, the production rate for Ag-TiO2@PEG nanoparticles reached approximately 3 g/h while only using a combination of a lab-scale inverse-diffusion flame (16 mm head diameter) and an ultrasonic Ag(I) cell (50 mL). The synthesized nanoparticles were employed as inducers for in vitro photoinduced therapy to kill cancer cells at different light wavelengths. Measurements of the nanoparticle cytotoxicity revealed that PEG incorporation with the Ag-TiO2 particles significantly decreased the cytotoxicity (cell viability of more than ~91% at 200 μg mL(-1) particle concentration) of Ag, and this was comparable with that of TiO2 particles (cell viability of more than ~90%). When 632 nm and 808 nm light was applied to the nanoparticles in the HeLa cells, the viability of the cells was significantly affected [decreased to ~4% (632 nm) and ~26% (808 nm) at 200 μg mL(-1), 5 min irradiation time] by surface plasmon resonance heating and photothermal therapy.
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Affiliation(s)
- Jeong Hoon Byeon
- School of Mechanical Engineering, Yeungnam University,
Gyeongsan
38541, Republic of Korea
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14
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Aoki S, Takezawa T, Sugihara H, Toda S. Progress in cell culture systems for pathological research. Pathol Int 2016; 66:554-562. [PMID: 27477924 DOI: 10.1111/pin.12443] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2016] [Revised: 06/22/2016] [Accepted: 07/07/2016] [Indexed: 11/29/2022]
Abstract
Cell culture is a well-established standard technique and a fundamental tool in biology and medicine. Establishment of a novel culture method by meeting various challenges can sometimes open up new fields of cell biology and medicine. An artificial microenvironment for cultured cells is made up of complicated factors, including cytokines, scaffold material type, cell-cell interactions, and physical stress. To replicate the tissue architecture, cell-cell interactions, and specific physical microenvironment, we previously demonstrated the effectiveness of a three-dimensional culture system, and further established two simple culture systems: air-liquid interface (ALI) and fluid flow stress (FFS). A three-dimensional collagen gel culture system can replicate cell-cell interactions in vitro. As skin is constantly exposed to air, the ALI system closely mimicked the skin microenvironment and maintained the homeostasis of the epidermis and dermis. The ALI culture system also revealed the possibility of skin regeneration through ectopic mesenchymal cell involvement. Fluid streaming and shear stress were recently demonstrated to constitute the critical microenvironment for various cell types. The FFS system demonstrated that fluid streaming induced epithelial-mesenchymal transition of mesothelial cells, leading to peritoneal fibrosis. Our novel culture systems will hopefully open up new fields of regenerative medicine and pathological research.
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Affiliation(s)
- Shigehisa Aoki
- Department of Pathology and Microbiology, Faculty of Medicine, Saga University, Saga, Japan.
| | - Toshiaki Takezawa
- National Agriculture and Food Research Organization, Institute of Agrobiological Sciences, Ibaraki, Japan
| | - Hajime Sugihara
- Department of Physical Therapy, International University of Health and Welfare, Fukuoka, Japan
| | - Shuji Toda
- Department of Pathology and Microbiology, Faculty of Medicine, Saga University, Saga, Japan
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15
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Uchino T, Kuroda Y, Ishida S, Yamashita K, Miyazaki H, Oshikata A, Shimizu K, Kojima H, Takezawa T, Akiyama T, Ikarashi Y. Increase of β2-integrin on adhesion of THP-1 cells to collagen vitrigel membrane. Biosci Biotechnol Biochem 2016; 80:2271-2276. [PMID: 27379801 DOI: 10.1080/09168451.2016.1204222] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
When human monocyte-derived leukemia (THP-1) cells, which are floating cells, are stimulated with lipid peroxides, or Streptococcus suis, these cells adhere to a plastic plate or endothelial cells. However, it is unclear whether or not non-stimulated THP-1 cells adhere to collagen vitrigel membrane (CVM). In this study, firstly, we investigated the rate of adhesion of THP-1 cells to CVM. When THP-1 cells were not stimulated, the rate of adhesion to CVM was high. Then, to identify adhesion molecules involved in adhesion of THP-1 cells to CVM, expressions of various cell adhesion molecules on the surface of THP-1 cells adhering to CVM were measured. β-actin, β-catenin, and β1-integrin expressions did not change in non-stimulated THP-1 cells cultured on CVM compared with those in cells cultured in a flask, but β2-integrin expression markedly increased.
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Affiliation(s)
- Tadashi Uchino
- a Division of Environmental Chemistry , National Institute of Health Sciences , Tokyo , Japan
| | - Yukie Kuroda
- b Division of Pharmacology , National Institute of Health Sciences , Tokyo , Japan
| | - Seiichi Ishida
- b Division of Pharmacology , National Institute of Health Sciences , Tokyo , Japan
| | | | - Hiroshi Miyazaki
- c Corporate Research Center , Daicel Corporation , Himeji , Japan
| | - Ayumi Oshikata
- d Division of Biotechnology, Institute of Agrobiological Sciences , National Agriculture and Food Research Organization , Tsukuba , Japan
| | - Kumiko Shimizu
- a Division of Environmental Chemistry , National Institute of Health Sciences , Tokyo , Japan
| | - Hajime Kojima
- e Division of Risk Assessment , National Institute of Health Sciences , Tokyo , Japan
| | - Toshiaki Takezawa
- d Division of Biotechnology, Institute of Agrobiological Sciences , National Agriculture and Food Research Organization , Tsukuba , Japan
| | - Takumi Akiyama
- a Division of Environmental Chemistry , National Institute of Health Sciences , Tokyo , Japan
| | - Yoshiaki Ikarashi
- a Division of Environmental Chemistry , National Institute of Health Sciences , Tokyo , Japan
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Lee E, Zhang H, Jackson JK, Lim CJ, Chiao M. Janus films with stretchable and waterproof properties for wound care and drug delivery applications. RSC Adv 2016. [DOI: 10.1039/c6ra16232k] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Janus PDMS films with porous/nonporous structures are fabricated for wound care. The film has good stretchability, waterproof and breathable surfaces and non-stick properties, which enhance its performance compared to traditional wound bandages.
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Affiliation(s)
- Ethan Lee
- Department of Mechanical Engineering
- University of British Columbia
- Vancouver
- Canada
| | - Hongbin Zhang
- Department of Mechanical Engineering
- University of British Columbia
- Vancouver
- Canada
| | - John K. Jackson
- Department of Pharmaceutical Sciences
- University of British Columbia
- Vancouver
- Canada
| | - Chinten James Lim
- Department of Pediatrics
- Child & Family Research Institute
- University of British Columbia
- Vancouver
- Canada
| | - Mu Chiao
- Department of Mechanical Engineering
- University of British Columbia
- Vancouver
- Canada
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