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Caracciolo PC, Abraham GA, Battaglia ES, Bongiovanni Abel S. Recent Progress and Trends in the Development of Electrospun and 3D Printed Polymeric-Based Materials to Overcome Antimicrobial Resistance (AMR). Pharmaceutics 2023; 15:1964. [PMID: 37514150 PMCID: PMC10385409 DOI: 10.3390/pharmaceutics15071964] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2023] [Revised: 07/11/2023] [Accepted: 07/14/2023] [Indexed: 07/30/2023] Open
Abstract
Antimicrobial resistance (AMR) developed by microorganisms is considered one of the most critical public health issues worldwide. This problem is affecting the lives of millions of people and needs to be addressed promptly. Mainly, antibiotics are the substances that contribute to AMR in various strains of bacteria and other microorganisms, leading to infectious diseases that cannot be effectively treated. To avoid the use of antibiotics and similar drugs, several approaches have gained attention in the fields of materials science and engineering as well as pharmaceutics over the past five years. Our focus lies on the design and manufacture of polymeric-based materials capable of incorporating antimicrobial agents excluding the aforementioned substances. In this sense, two of the emerging techniques for materials fabrication, namely, electrospinning and 3D printing, have gained significant attraction. In this article, we provide a summary of the most important findings that contribute to the development of antimicrobial systems using these technologies to incorporate various types of nanomaterials, organic molecules, or natural compounds with the required property. Furthermore, we discuss and consider the challenges that lie ahead in this research field for the coming years.
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Affiliation(s)
- Pablo C Caracciolo
- Biomedical Polymers Division, Research Institute for Materials Science and Technology (INTEMA), National University of Mar del Plata (UNMdP), National Scientific and Technical Research Council (CONICET), Av. Colón 10850, Mar del Plata 7600, Argentina
| | - Gustavo A Abraham
- Biomedical Polymers Division, Research Institute for Materials Science and Technology (INTEMA), National University of Mar del Plata (UNMdP), National Scientific and Technical Research Council (CONICET), Av. Colón 10850, Mar del Plata 7600, Argentina
| | - Ernesto S Battaglia
- Biomedical Polymers Division, Research Institute for Materials Science and Technology (INTEMA), National University of Mar del Plata (UNMdP), National Scientific and Technical Research Council (CONICET), Av. Colón 10850, Mar del Plata 7600, Argentina
| | - Silvestre Bongiovanni Abel
- Biomedical Polymers Division, Research Institute for Materials Science and Technology (INTEMA), National University of Mar del Plata (UNMdP), National Scientific and Technical Research Council (CONICET), Av. Colón 10850, Mar del Plata 7600, Argentina
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2
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Three-dimensional kagome structures in a PCL/HA-based hydrogel scaffold to lead slow BMP-2 release for effective bone regeneration. Biodes Manuf 2022. [DOI: 10.1007/s42242-022-00219-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/05/2022]
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3
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Xin YZ, Li X, Yang SJ, Lee J, Liu C, Fang Y. Calculation of stresses on 3D scaffolds fabricated using extrusion-based bioprinting using a semi-analytical approach. J Mech Behav Biomed Mater 2022; 135:105471. [PMID: 36166940 DOI: 10.1016/j.jmbbm.2022.105471] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/14/2022] [Accepted: 09/17/2022] [Indexed: 11/25/2022]
Abstract
The scaffold is essential to tissue engineering. In particular, the mechanical property of scaffolds has a significant impact on the success rate of regeneration. While numerous techniques exist for measuring mechanical properties, Compression test, three-point bending test, and nano-indentation test are the most common. Nevertheless, the mechanical property of porous structures cannot be accurately measured by previous testing methods. Combining superposition principles with the Flamant solution, this study developed semi-analytical solutions. Through compression testing and FEM simulation, the semi-analytical solution was fully validated. The solution can calculate not only the maximum stress of layer-by-layer construction of complex 3D scaffolds, but also the maximum load-bearing capacity if the mechanical property of the material is known.
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Affiliation(s)
- Yuan-Zhu Xin
- School of Mechanical and Aerospace Engineering, Jilin University, Changchun, 130025, China
| | - Xiaoying Li
- School of Mechanical and Aerospace Engineering, Jilin University, Changchun, 130025, China
| | - Seok-Jo Yang
- Department of Mechatronics Engineering, College of Engineering, Chungnam National University, South Korea
| | - JunHee Lee
- Department of Nature-inspired System and Application, Korea Institute of Machinery & Materials, 156 Gajeongbuk-Ro, Yuseong-Gu, Daejeon, 34103, South Korea
| | - Chunbao Liu
- School of Mechanical and Aerospace Engineering, Jilin University, Changchun, 130025, China.
| | - Yuqiang Fang
- School of Mechanical and Aerospace Engineering, Jilin University, Changchun, 130025, China.
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Terzopoulou Z, Zamboulis A, Koumentakou I, Michailidou G, Noordam MJ, Bikiaris DN. Biocompatible Synthetic Polymers for Tissue Engineering Purposes. Biomacromolecules 2022; 23:1841-1863. [PMID: 35438479 DOI: 10.1021/acs.biomac.2c00047] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Synthetic polymers have been an integral part of modern society since the early 1960s. Besides their most well-known applications to the public, such as packaging, construction, textiles and electronics, synthetic polymers have also revolutionized the field of medicine. Starting with the first plastic syringe developed in 1955 to the complex polymeric materials used in the regeneration of tissues, their contributions have never been more prominent. Decades of research on polymeric materials, stem cells, and three-dimensional printing contributed to the rapid progress of tissue engineering and regenerative medicine that envisages the potential future of organ transplantations. This perspective discusses the role of synthetic polymers in tissue engineering, their design and properties in relation to each type of application. Additionally, selected recent achievements of tissue engineering using synthetic polymers are outlined to provide insight into how they will contribute to the advancement of the field in the near future. In this way, we aim to provide a guide that will help scientists with synthetic polymer design and selection for different tissue engineering applications.
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Affiliation(s)
- Zoi Terzopoulou
- Laboratory of Chemistry and Technology of Polymers and Dyes, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Alexandra Zamboulis
- Laboratory of Chemistry and Technology of Polymers and Dyes, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Ioanna Koumentakou
- Laboratory of Chemistry and Technology of Polymers and Dyes, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Georgia Michailidou
- Laboratory of Chemistry and Technology of Polymers and Dyes, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Michiel Jan Noordam
- Laboratory of Chemistry and Technology of Polymers and Dyes, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
| | - Dimitrios N Bikiaris
- Laboratory of Chemistry and Technology of Polymers and Dyes, Department of Chemistry, Aristotle University of Thessaloniki, GR-54124 Thessaloniki, Greece
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5
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Yang X, Wang Y, Zhou Y, Chen J, Wan Q. The Application of Polycaprolactone in Three-Dimensional Printing Scaffolds for Bone Tissue Engineering. Polymers (Basel) 2021; 13:polym13162754. [PMID: 34451293 PMCID: PMC8400029 DOI: 10.3390/polym13162754] [Citation(s) in RCA: 58] [Impact Index Per Article: 19.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/25/2021] [Accepted: 08/12/2021] [Indexed: 02/05/2023] Open
Abstract
Bone tissue engineering commonly encompasses the use of three-dimensional (3D) scaffolds to provide a suitable microenvironment for the propagation of cells to regenerate damaged tissues or organs. 3D printing technology has been extensively applied to allow direct 3D scaffolds manufacturing. Polycaprolactone (PCL) has been widely used in the fabrication of 3D scaffolds in the field of bone tissue engineering due to its advantages such as good biocompatibility, slow degradation rate, the less acidic breakdown products in comparison to other polyesters, and the potential for loadbearing applications. PCL can be blended with a variety of polymers and hydrogels to improve its properties or to introduce new PCL-based composites. This paper describes the PCL used in developing state of the art of scaffolds for bone tissue engineering. In this review, we provide an overview of the 3D printing techniques for the fabrication of PCL-based composite scaffolds and recent studies on applications in different clinical situations. For instance, PCL-based composite scaffolds were used as an implant surgical guide in dental treatment. Furthermore, future trend and potential clinical translations will be discussed.
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Affiliation(s)
- Xiangjun Yang
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (X.Y.); (Y.W.); (Y.Z.)
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yuting Wang
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (X.Y.); (Y.W.); (Y.Z.)
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Ying Zhou
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (X.Y.); (Y.W.); (Y.Z.)
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
| | - Junyu Chen
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (X.Y.); (Y.W.); (Y.Z.)
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
- Correspondence: (J.C.); (Q.W.)
| | - Qianbing Wan
- Department of Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China; (X.Y.); (Y.W.); (Y.Z.)
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China School of Stomatology, Sichuan University, Chengdu 610041, China
- Correspondence: (J.C.); (Q.W.)
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Ku JK, Lee KG, Ghim MS, Kim YK, Park SH, Park Y, Cho YS, Lee BK. Onlay-graft of 3D printed Kagome-structure PCL scaffold incorporated with rhBMP-2 based on hyaluronic acid hydrogel. Biomed Mater 2021; 16. [PMID: 34181586 DOI: 10.1088/1748-605x/ac0f47] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2021] [Accepted: 06/28/2021] [Indexed: 11/11/2022]
Abstract
The onlay-graft, one of the most difficult graft conditions, is used for diverse clinical conditions, including plastic and dental surgery. The graft should withstand continuous pressure from overlying tissues and have excellent bone formation capability in a limited bone contact situation. We recently developed a 3D printed Kagome-structured polycaprolactone (PCL) scaffold that has a stronger mechanical property. This study evaluated the clinical feasibility of this scaffold for onlay-graft use. The value of the scaffold containing recombinant human bone morphogenetic protein-2 in a hyaluronate-based hydrogel (rhBMP-2/HA) to enhance bone regeneration was also assessed. 3D-printed Kagome-PCL scaffolds alone (n= 12, group I) or loaded with rhBMP-2/HA (n= 12, group II) were grafted using a rat calvarial onlay-graft model. Following sacrifice at 2, 4, and 8 weeks, all 3D-printed Kagome-PCL scaffolds were accurately positioned and firmly integrated to the recipient bone. Micro-computed tomography and histology analyses revealed a constant height of the scaffolds over time in all animals. New bone grew into the scaffolds in both groups, but with greater volume in group II. These results suggest the promising clinical feasibility of the 3D-printed Kagome-PCL scaffold for onlay-graft use and it could substitute the conventional onlay-graft in the plastic and dental reconstructive surgery in the near future.
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Affiliation(s)
- Jeong-Kui Ku
- Department of Oral and Maxillofacial Surgery, Asan Medical Center, College of Medicine, University of Ulsan, 88, Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea.,Department of Oral and Maxillofacial Surgery, Gangnam Severance Hospital, Yonsei University College of Dentistry, 211 Eonju-ro, Gandnam-gu, Seoul 06273, Republic of Korea
| | - Kang-Gon Lee
- Department of Biomedical Sciences, College of Medicine, Korea University, Seoul 02841, Republic of Korea
| | - Min-Soo Ghim
- Department of Mechanical Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Republic of Korea
| | - Young-Kyun Kim
- Department of Oral and Maxillofacial Surgery, Section of Dentistry, Seoul University Bundang Hospital, 81, Saemaul-ro 117, Bundang-gu, Seongnam-si 13634, Republic of Korea
| | - Sang-Hyug Park
- Department of Biomedical Engineering, Pukyong National Universtiy, 45, Yongso-Ro, Nam-Gu, Busan, Republic of Korea
| | - Yongdoo Park
- Department of Biomedical Sciences, College of Medicine, Korea University, Seoul 02841, Republic of Korea
| | - Young-Sam Cho
- Department of Mechanical Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Republic of Korea.,Department of Mechanical and Design Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Republic of Korea
| | - Bu-Kyu Lee
- Department of Oral and Maxillofacial Surgery, Asan Medical Center, College of Medicine, University of Ulsan, 88, Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea.,Department of Oral and Maxillofacial Surgery, Biomedical Engineering Research Center, Asan Institute for Life Sciences, Asan Medical Center, College of Medicine, University of Ulsan, 88, Olympic-ro 43-gil, Songpa-gu, Seoul 05505, Republic of Korea
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Cho YS, Gwak SJ, Cho YS. Fabrication of Polycaprolactone/Nano Hydroxyapatite (PCL/nHA) 3D Scaffold with Enhanced In Vitro Cell Response via Design for Additive Manufacturing (DfAM). Polymers (Basel) 2021; 13:polym13091394. [PMID: 33923079 PMCID: PMC8123325 DOI: 10.3390/polym13091394] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2021] [Revised: 04/20/2021] [Accepted: 04/23/2021] [Indexed: 11/25/2022] Open
Abstract
In this study, we investigated the dual-pore kagome-structure design of a 3D-printed scaffold with enhanced in vitro cell response and compared the mechanical properties with 3D-printed scaffolds with conventional or offset patterns. The compressive modulus of the 3D-printed scaffold with the proposed design was found to resemble that of the 3D-printed scaffold with a conventional pattern at similar pore sizes despite higher porosity. Furthermore, the compressive modulus of the proposed scaffold surpassed that of the 3D-printed scaffold with conventional and offset patterns at similar porosities owing to the structural characteristics of the kagome structure. Regarding the in vitro cell response, cell adhesion, cell growth, and ALP concentration of the proposed scaffold for 14 days was superior to those of the control group scaffolds. Consequently, we found that the mechanical properties and in vitro cell response of the 3D-printed scaffold could be improved by kagome and dual-pore structures through DfAM. Moreover, we revealed that the dual-pore structure is effective for the in vitro cell response compared to the structures possessing conventional and offset patterns.
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Affiliation(s)
- Yong Sang Cho
- Medical IT Convergence Research Section, Daegu-Gyeongbuk Research Center, Electronics and Telecommunications Research Institute (ETRI), Techno Sunhwan-ro 10-gil, Dalseong-gun, Daegu 42994, Korea;
| | - So-Jung Gwak
- Department of Chemical Engineering, College of Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea
- Correspondence: (S.-J.G.); (Y.-S.C.); Tel.: +82-63-850-7279 (S.-J.G.); +82-63-850-6694 (Y.-S.C.)
| | - Young-Sam Cho
- Department of Mechanical Design Engineering, College of Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea
- Correspondence: (S.-J.G.); (Y.-S.C.); Tel.: +82-63-850-7279 (S.-J.G.); +82-63-850-6694 (Y.-S.C.)
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8
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Wang C, Xu H, Liu C, Peng Z, Min R, Zhang Z, Li J, Jin Y, Wang Y, Li Z, Guo J, Zhu L. CaO 2/gelatin oxygen slow-releasing microspheres facilitate tissue engineering efficiency for the osteonecrosis of femoral head by enhancing the angiogenesis and survival of grafted bone marrow mesenchymal stem cells. Biomater Sci 2021; 9:3005-3018. [PMID: 33651043 DOI: 10.1039/d0bm02071k] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
The osteonecrosis of femoral head (ONFH), a common refractory disease, is still not fully understood today. Hypoxia caused by ischemia is not only an important pathogenic factor but also a critical challenge for the survival of seed cells in the tissue engineering therapy of ONFH. To explore an efficient strategy to treat ONFH by targeting hypoxia, newly designed CaO2/gelatin microspheres were composited with 3D printed polycaprolactone/nano-hydroxyapatite (PCL/nHA) porous scaffold, sodium alginate/gelatin hydrogel, and bone marrow mesenchymal stem cells (BMSCs) to develop a novel tissue engineering scaffold and then transplanted into the core depression area of the ONFH rabbit model. The current data demonstrated that CaO2/gelatin microspheres can constantly release oxygen for 19 days. In vitro assays with BMSCs illustrated that scaffolds have high biocompatibility and are favorable for cell proliferation in extreme hypoxia (1% O2). The in vivo study demonstrated that the transplanted scaffold with oxygen-generating microspheres significantly enhanced the osteogenic and angiogenic effects compared to the scaffold without microspheres. Further assessments revealed that microspheres in the scaffold can reduce the local cell apoptosis and enhance the survival of grafted cells in the host. Collectively, the present study developed a novel oxygen slow-releasing composite scaffold, which can facilitate tissue engineering efficiency for treating the osteonecrosis of the femoral head by enhancing the angiogenesis and survival of grafted stem cells.
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Affiliation(s)
- Chengqiang Wang
- Department of Spinal Surgery, Orthopedic Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China.
| | - Haixia Xu
- Department of Spinal Surgery, Orthopedic Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China.
| | - Chun Liu
- Department of Spinal Surgery, Orthopedic Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China.
| | - Ziyue Peng
- Department of Spinal Surgery, Orthopedic Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China.
| | - Ruoxing Min
- Department of Ultrasound Medicine, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China
| | - Zhiming Zhang
- Department of Spinal Surgery, Orthopedic Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China. and Department of Orthopedics, Second Xiangya Hospital, Central South University, Changsha, Hunan 410011, China
| | - Jianjun Li
- Department of Spinal Surgery, Orthopedic Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China.
| | - Yanglei Jin
- Department of Spinal Surgery, Orthopedic Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China.
| | - Yihan Wang
- Department of Spinal Surgery, Orthopedic Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China.
| | - Zhihao Li
- Department of Spinal Surgery, Orthopedic Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China.
| | - Jiasong Guo
- Department of Spinal Surgery, Orthopedic Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China. and Department of Histology and Embryology, Southern Medical University, Guangzhou 510515, China and Key Laboratory of Tissue Construction and Detection of Guangdong Province, Guangzhou 510515, China and Institute of Bone Biology, Academy of Orthopedics, Guangzhou 510665, Guangdong Province, China and Key Laboratory of Mental Health of the Ministry of Education; Guangdong-Hong Kong-Macao Greater Bay Area Center for Brain Science and Brain-Inspired Intelligence, Guangdong Province Key Laboratory of Psychiatric Disorders, Guangzhou 510515, China and Guangzhou Regenerative Medicine and Health Guangdong Laboratory, Guangzhou 510530, China
| | - Lixin Zhu
- Department of Spinal Surgery, Orthopedic Medical Center, Zhujiang Hospital, Southern Medical University, Guangzhou 510280, China.
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Cho YS, Kim HK, Ghim MS, Hong MW, Kim YY, Cho YS. Evaluation of the Antibacterial Activity and Cell Response for 3D-Printed Polycaprolactone/Nanohydroxyapatite Scaffold with Zinc Oxide Coating. Polymers (Basel) 2020; 12:E2193. [PMID: 32992820 PMCID: PMC7601629 DOI: 10.3390/polym12102193] [Citation(s) in RCA: 10] [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: 09/09/2020] [Revised: 09/22/2020] [Accepted: 09/23/2020] [Indexed: 12/30/2022] Open
Abstract
Among 3D-printed composite scaffolds for bone tissue engineering, researchers have been attracted to the use of zinc ions to improve the scaffold's anti-bacterial activity and prevent surgical site infection. In this study, we assumed that the concentration of zinc ions released from the scaffold will be correlated with the thickness of the zinc oxide coating on 3D-printed scaffolds. We investigated the adequate thickness of zinc oxide coating by comparing different scaffolds' characteristics, antibacterial activity, and in vitro cell response. The scaffolds' compressive modulus decreased as the zinc oxide coating thickness increased (10, 100 and 200 nm). However, the compressive modulus of scaffolds in this study were superior to those of other reported scaffolds because our scaffolds had a kagome structure and were made of composite material. In regard to the antibacterial activity and in vitro cell response, the in vitro cell proliferation on scaffolds with a zinc oxide coating was higher than that of the control scaffold. Moreover, the antibacterial activity of scaffolds with 100 or 200 nm-thick zinc oxide coating on Escherichia coli was superior to that of other scaffolds. Therefore, we concluded that the scaffold with a 100 nm-thick zinc oxide coating was the most appropriate scaffold to use as a bone-regenerating scaffold, given its mechanical property, its antibacterial activity, and its in vitro cell proliferation.
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Affiliation(s)
- Yong Sang Cho
- Medical IT Convergence Research Section, Daegu-Gyeongbuk Research Center, Electronics and Telecommunications Research Institute (ETRI), 1, Techno Sunhwan-ro 10-gil, Dalseong-gun, Daegu 42994, Korea;
| | - Hee-Kyeong Kim
- Department of Mechanical Engineering, College of Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea; (H.-K.K.); (M.-S.G.)
| | - Min-Soo Ghim
- Department of Mechanical Engineering, College of Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea; (H.-K.K.); (M.-S.G.)
| | - Myoung Wha Hong
- Department of Orthopedics, Daejeon St. Mary’s Hospital, The Catholic University of Korea, 64 Daeheung-ro, Jung-gu, Daejeon 34943, Korea;
| | - Young Yul Kim
- Department of Orthopedics, Daejeon St. Mary’s Hospital, The Catholic University of Korea, 64 Daeheung-ro, Jung-gu, Daejeon 34943, Korea;
| | - Young-Sam Cho
- Department of Mechanical Engineering, College of Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea; (H.-K.K.); (M.-S.G.)
- Department of Mechanical Design Engineering, College of Engineering, Wonkwang University, 460 Iksandae-ro, Iksan, Jeonbuk 54538, Korea
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10
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Enhanced healing of rat calvarial defects with 3D printed calcium-deficient hydroxyapatite/collagen/bone morphogenetic protein 2 scaffolds. J Mech Behav Biomed Mater 2020; 108:103782. [DOI: 10.1016/j.jmbbm.2020.103782] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2019] [Revised: 03/05/2020] [Accepted: 04/07/2020] [Indexed: 01/08/2023]
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11
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Cho YS, Quan M, Kang NU, Jeong HJ, Hong MW, Kim YY, Cho YS. Strategy for enhancing mechanical properties and bone regeneration of 3D polycaprolactone kagome scaffold: Nano hydroxyapatite composite and its exposure. Eur Polym J 2020. [DOI: 10.1016/j.eurpolymj.2020.109814] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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12
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Chen X, Li Y, Hua C, Jia P, Xing Y, Xue B, Tian X, Yang Y, Zhang J, Qiao L, Liu H, Li X, Xie F. Establishment of rapid risk assessment model for cigarette smoke extract exposure in chronic obstructive pulmonary disease. Toxicol Lett 2019; 316:10-19. [PMID: 31476341 DOI: 10.1016/j.toxlet.2019.08.020] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 08/16/2019] [Accepted: 08/23/2019] [Indexed: 12/20/2022]
Abstract
Rapid risk assessment models for different types of cigarette smoke extract (CSE) exposure are critical to understanding the etiology of chronic obstructive pulmonary disease. The present study investigated inflammation of cultured tracheal tissues with CSE exposure. Rat trachea rings were isolated, cultured, then exposed to various concentrations of CSE from 3R4 F reference cigarettes for 4 h. Tissue/cellular morphology, ultrastructure, viability and damage, inflammatory cell infiltration, and inflammatory protein levels were measured and compared to untreated controls. Human bronchial epithelial cells (BEAS-2B) exposed to 0 or 300 μg/mL CSE were cocultured with macrophages to assess extent of mobilization and phagocytosis. Endotracheal epithelium cilia densities were significantly reduced with increasing CSE concentrations, while mucous membranes became increasingly disordered; both eventually disappeared. Macrophages became larger as the CSE concentration increased, with microvilli and extended pseudopodium covering their surface, and many primary and secondary lysosomes present in the cytoplasm. Inflammatory cell infiltration also increased with increasing CSE dose, as did intracellular adhesion molecule-1(ICAM-1), interleukin-6(IL-6). The method described here may be useful to qualitatively characterized the effects of the compound under study. Then, we use BEAS-2B cell line system to strength the observation made in the cultured tissues. Probably, an approach to integrate results from both experiments will facilitate its application. These results demonstrate that cultured rat tracheal rings have a whole-tissue structure that undergoes inflammatory processes similar to in vivo tissues upon CSE exposure.
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Affiliation(s)
- Xuemei Chen
- Key Laboratory of Tobacco Chemistry, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001 Henan Province, PR China; Department of Human Anatomy Basic Medical College of Zhengzhou University, Zhengzhou 450001 Henan Province, PR China
| | - Yuping Li
- Department of Human Anatomy Basic Medical College of Zhengzhou University, Zhengzhou 450001 Henan Province, PR China
| | - Chenfeng Hua
- Key Laboratory of Tobacco Chemistry, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001 Henan Province, PR China
| | - Peijun Jia
- Department of Human Anatomy Basic Medical College of Zhengzhou University, Zhengzhou 450001 Henan Province, PR China
| | - Yinpei Xing
- Department of Human Anatomy Basic Medical College of Zhengzhou University, Zhengzhou 450001 Henan Province, PR China
| | - Bohan Xue
- Department of Human Anatomy Basic Medical College of Zhengzhou University, Zhengzhou 450001 Henan Province, PR China
| | - Xiaoyi Tian
- Department of Human Anatomy Basic Medical College of Zhengzhou University, Zhengzhou 450001 Henan Province, PR China
| | - Yuanyuan Yang
- Department of Human Anatomy Basic Medical College of Zhengzhou University, Zhengzhou 450001 Henan Province, PR China
| | - Junxia Zhang
- Experimental Center of Pathology, Henan University of Chinese Medicine, Zhengzhou, Henan Province 450046, PR China
| | - Liangjun Qiao
- Key Laboratory of Tobacco Chemistry, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001 Henan Province, PR China
| | - Huimin Liu
- Key Laboratory of Tobacco Chemistry, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001 Henan Province, PR China
| | - Xiang Li
- Key Laboratory of Tobacco Chemistry, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001 Henan Province, PR China.
| | - Fuwei Xie
- Key Laboratory of Tobacco Chemistry, Zhengzhou Tobacco Research Institute of CNTC, Zhengzhou, 450001 Henan Province, PR China.
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Lee SH, Lee KG, Hwang JH, Cho YS, Lee KS, Jeong HJ, Park SH, Park Y, Cho YS, Lee BK. Evaluation of mechanical strength and bone regeneration ability of 3D printed kagome-structure scaffold using rabbit calvarial defect model. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2019; 98:949-959. [DOI: 10.1016/j.msec.2019.01.050] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/16/2018] [Revised: 12/27/2018] [Accepted: 01/11/2019] [Indexed: 10/27/2022]
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Tidau M, Kwade A, Finke JH. Influence of High, Disperse API Load on Properties along the Fused-Layer Modeling Process Chain of Solid Dosage Forms. Pharmaceutics 2019; 11:pharmaceutics11040194. [PMID: 31013578 PMCID: PMC6523638 DOI: 10.3390/pharmaceutics11040194] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 04/15/2019] [Accepted: 04/16/2019] [Indexed: 02/06/2023] Open
Abstract
In order to cope with the increasing number of multimorbid patients due to demographic changes, individualized polypill solutions must be developed. One promising tool is fused layer modeling (FLM) of dosage forms with patient-specific dose combinations and release individualization. As there are few approaches reported that systematically investigate the influence of high disperse active pharmaceutical ingredient (API) loads in filaments needed for FLM, this was the focus for the present study. Different filaments based on polyethylene oxide and hypromellose (HPMC) with different loads of theophylline as model API (up to 50 wt.%) were extruded with a twin-screw extruder and printed to dosage forms. Along the process chain, the following parameters were investigated: particle size and shape of theophylline; mechanical properties, microstructure, mass and content uniformity of filaments as well as dosage forms and the theophylline release from selected dosage forms. Especially for HPMC, increasing theophylline load enhanced the flexural strength of filaments whilst the FLM accuracy decreased inducing defects in microstructure. Theophylline load had no significant effect on the dissolution profile of HPMC-based dosage forms. Therefore, a thorough analysis of particle-induced effects is necessary to correlate mechanical properties of filaments, printability, and the dosage-and-release profile adjustment.
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Affiliation(s)
- Marius Tidau
- Institute for Particle Technology, TU Braunschweig, Volkmaroder Str. 5, 38104 Braunschweig, Germany.
- Center of Pharmaceutical Engineering, TU Braunschweig, Franz-Liszt-Str. 35A, 38106 Braunschweig, Germany.
| | - Arno Kwade
- Institute for Particle Technology, TU Braunschweig, Volkmaroder Str. 5, 38104 Braunschweig, Germany.
- Center of Pharmaceutical Engineering, TU Braunschweig, Franz-Liszt-Str. 35A, 38106 Braunschweig, Germany.
| | - Jan Henrik Finke
- Institute for Particle Technology, TU Braunschweig, Volkmaroder Str. 5, 38104 Braunschweig, Germany.
- Center of Pharmaceutical Engineering, TU Braunschweig, Franz-Liszt-Str. 35A, 38106 Braunschweig, Germany.
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Assessments of polycaprolactone/hydroxyapatite composite scaffold with enhanced biomimetic mineralization by exposure to hydroxyapatite via a 3D-printing system and alkaline erosion. Eur Polym J 2019. [DOI: 10.1016/j.eurpolymj.2019.02.006] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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