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Xu H, Yan S, Gerhard E, Xie D, Liu X, Zhang B, Shi D, Ameer GA, Yang J. Citric Acid: A Nexus Between Cellular Mechanisms and Biomaterial Innovations. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024; 36:e2402871. [PMID: 38801111 PMCID: PMC11309907 DOI: 10.1002/adma.202402871] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/25/2024] [Revised: 05/07/2024] [Indexed: 05/29/2024]
Abstract
Citrate-based biodegradable polymers have emerged as a distinctive biomaterial platform with tremendous potential for diverse medical applications. By harnessing their versatile chemistry, these polymers exhibit a wide range of material and bioactive properties, enabling them to regulate cell metabolism and stem cell differentiation through energy metabolism, metabonegenesis, angiogenesis, and immunomodulation. Moreover, the recent US Food and Drug Administration (FDA) clearance of the biodegradable poly(octamethylene citrate) (POC)/hydroxyapatite-based orthopedic fixation devices represents a translational research milestone for biomaterial science. POC joins a short list of biodegradable synthetic polymers that have ever been authorized by the FDA for use in humans. The clinical success of POC has sparked enthusiasm and accelerated the development of next-generation citrate-based biomaterials. This review presents a comprehensive, forward-thinking discussion on the pivotal role of citrate chemistry and metabolism in various tissue regeneration and on the development of functional citrate-based metabotissugenic biomaterials for regenerative engineering applications.
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Affiliation(s)
- Hui Xu
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Su Yan
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Ethan Gerhard
- Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA, 16802, USA
| | - Denghui Xie
- Department of Histology and Embryology, School of Basic Medical Sciences, Department of Orthopedic Surgery, The Third Affiliated Hospital of Southern Medical University, Southern Medical University, Guangzhou, 510515, P. R. China
- Academy of Orthopedics of Guangdong Province, Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Guangzhou, 510630, P. R. China
| | - Xiaodong Liu
- Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- School of Life Sciences, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, 310030, P. R. China
- Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310030, P. R. China
| | - Bing Zhang
- Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- School of Life Sciences, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- Westlake Laboratory of Life Sciences and Biomedicine, Hangzhou, Zhejiang, 310030, P. R. China
- Westlake Institute for Advanced Study, Hangzhou, Zhejiang, 310030, P. R. China
| | - Dongquan Shi
- Division of Sports Medicine and Adult Reconstructive Surgery, Department of Orthopedic Surgery, Nanjing Drum Tower Hospital, The Affiliated Hospital of Nanjing University Medical School, 321 Zhongshan Road, Nanjing, Jiangsu, 210008, P. R. China
| | - Guillermo A Ameer
- Department of Biomedical Engineering, Northwestern University, Evanston, IL, 60208, USA
- Center for Advanced Regenerative Engineering, Northwestern University, Evanston, IL, 60208, USA
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, IL, 60611, USA
| | - Jian Yang
- Research Center for Industries of the Future, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
- Biomedical Engineering Program, School of Engineering, Westlake University, Hangzhou, Zhejiang, 310030, P. R. China
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Kamrani A, Nasrabadi MH, Halabian R, Ghorbani M. A biomimetic multi-layer scaffold with collagen and zinc doped bioglass as a skin-regeneration agent in full-thickness injuries and its effects in vitro and in vivo. Int J Biol Macromol 2023; 253:127163. [PMID: 37778589 DOI: 10.1016/j.ijbiomac.2023.127163] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2022] [Revised: 09/27/2023] [Accepted: 09/28/2023] [Indexed: 10/03/2023]
Abstract
Due to the multilayer structure of skin tissue, the fabrication of a 3-layer scaffold could result in planned dermal regeneration. Herein, polyurethane (PU) and polycaprolactone (PCL), as a function of their mechanical stability and collagen due to its arginine-glycine-aspartic acid sequences, zinc ions because of overcoming the common problems of biological factors were employed. The scaffolds' physical, mechanical, and biological properties were examined by SEM, FTIR, contact angle, mechanical tensile, bacteriocidal efficacy, and hemolysis. Also, after L-929 fibroblast seeding, their biological activity was determined by SEM, DAPI, and MTT assays. Then, the cell-seeded scaffolds were implanted in full-thickness wounds of rats and evaluated by wound closure, histological, and molecular techniques. The in vivo studies showed better wound closure with the composite scaffold containing zinc ions. While its dermal re-organization was retarded in the presence of zinc ions compared to the composite scaffold containing non-doped bioglass. Despite this, the doped composite scaffold indicated better observations with the histological evaluations than the nontreated and bare scaffold groups. Real-time PCR confirmed the higher expression of FGF2 and FGFR genes in rats treated with the zinc-doped composite scaffold. In conclusion, PU/PCL-collagen/PCL-collagen containing the doped or non-doped nanoparticles showed better potential to heal dermal injuries.
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Affiliation(s)
- Asefeh Kamrani
- Department of Biology, Parand Branch, Islamic Azad University, Tehran, Iran
| | | | - Raheleh Halabian
- Applied Microbiology Research Center, Systems Biology and Poisonings Institute, Baqiyatallah University of Medical Sciences, Tehran, Iran
| | - Masoud Ghorbani
- Applied Biotechnoiogy Research Center, Baqiyatallah University of Medical Sciences, Tehran, Iran
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3
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Zhao Y, Zhong W. Recent Progress in Advanced Polyester Elastomers for Tissue Engineering and Bioelectronics. Molecules 2023; 28:8025. [PMID: 38138515 PMCID: PMC10745526 DOI: 10.3390/molecules28248025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 12/06/2023] [Accepted: 12/07/2023] [Indexed: 12/24/2023] Open
Abstract
Polyester elastomers are highly flexible and elastic materials that have demonstrated considerable potential in various biomedical applications including cardiac, vascular, neural, and bone tissue engineering and bioelectronics. Polyesters are desirable candidates for future commercial implants due to their biocompatibility, biodegradability, tunable mechanical properties, and facile synthesis and fabrication methods. The incorporation of bioactive components further improves the therapeutic effects of polyester elastomers in biomedical applications. In this review, novel structural modification methods that contribute to outstanding mechanical behaviors of polyester elastomers are discussed. Recent advances in the application of polyester elastomers in tissue engineering and bioelectronics are outlined and analyzed. A prospective of the future research and development on polyester elastomers is also provided.
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Affiliation(s)
- Yawei Zhao
- Department of Biosystems Engineering, University of Manitoba, Winnipeg, MB R3T 2N2, Canada;
| | - Wen Zhong
- Department of Biosystems Engineering, University of Manitoba, Winnipeg, MB R3T 2N2, Canada;
- Department of Medical Microbiology, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
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4
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Wang D, Chen Y, Xia T, Claudino M, Melendez A, Ni X, Dong C, Liu Z, Yang J. Citric Acid-Based Intrinsic Band-Shifting Photoluminescent Materials. RESEARCH (WASHINGTON, D.C.) 2023; 6:0152. [PMID: 37256199 PMCID: PMC10226408 DOI: 10.34133/research.0152] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 02/25/2023] [Accepted: 04/27/2023] [Indexed: 06/01/2023]
Abstract
Citric acid, an important metabolite with abundant reactive groups, has been demonstrated as a promising starting material to synthesize diverse photoluminescent materials including small molecules, polymers, and carbon dots. The unique citrate chemistry enables the development of a series of citric acid-based molecules and nanomaterials with intriguing intrinsic band-shifting behavior, where the emission wavelength shifts as the excitation wavelength increases, ideal for chromatic imaging and many other applications. In this review, we discuss the concept of "intrinsic band-shifting photoluminescent materials", introduce the recent advances in citric acid-based intrinsic band-shifting materials, and discuss their potential applications such as chromatic imaging and multimodal sensing. It is our hope that the insightful and forward-thinking discussion in this review will spur the innovation and applications of the unique band-shifting photoluminescent materials.
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Affiliation(s)
- Dingbowen Wang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Yizhu Chen
- Department of Electrical Engineering, Materials Research Institute,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Tunan Xia
- Department of Electrical Engineering, Materials Research Institute,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Mariana Claudino
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Allison Melendez
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Xingjie Ni
- Department of Electrical Engineering, Materials Research Institute,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Cheng Dong
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Zhiwen Liu
- Department of Electrical Engineering, Materials Research Institute,
The Pennsylvania State University, University Park, PA 16802, USA
| | - Jian Yang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences,
The Pennsylvania State University, University Park, PA 16802, USA
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Singh S, Kumar Paswan K, Kumar A, Gupta V, Sonker M, Ashhar Khan M, Kumar A, Shreyash N. Recent Advancements in Polyurethane-based Tissue Engineering. ACS APPLIED BIO MATERIALS 2023; 6:327-348. [PMID: 36719800 DOI: 10.1021/acsabm.2c00788] [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] [Indexed: 02/01/2023]
Abstract
In tissue engineering, polyurethane-based implants have gained significant traction because of their high compatibility and inertness. The implants therefore show fewer side effects and lasts longer. Also, the mechanical properties can be tuned and morphed into a particular shape, owing to which polyurethanes show immense versatility. In the last 3 years, scientists have devised methods to enhance the strength of and induce dynamic properties in polyurethanes, and these developments offer an immense opportunity to use them in tissue engineering. The focus of this review is on applications of polyurethane implants for biomedical application with detailed analysis of hard tissue implants like bone tissues and soft tissues like cartilage, muscles, skeletal tissues, and blood vessels. The synthetic routes for the preparation of scaffolds have been discussed to gain a better understanding of the issues that arise regarding toxicity. The focus here is also on concerns regarding the biocompatibility of the implants, given that the precursors and byproducts are poisonous.
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Affiliation(s)
- Sukriti Singh
- Department of Chemical and Biochemical Engineering, Rajiv Gandhi Institute of Petroleum Technology, Mubarakpur Mukhatiya, Uttar Pradesh 229304, India
| | - Karan Kumar Paswan
- Department of Chemical and Biochemical Engineering, Rajiv Gandhi Institute of Petroleum Technology, Mubarakpur Mukhatiya, Uttar Pradesh 229304, India
| | - Alok Kumar
- Department of Chemical and Biochemical Engineering, Rajiv Gandhi Institute of Petroleum Technology, Mubarakpur Mukhatiya, Uttar Pradesh 229304, India
| | - Vishwas Gupta
- Department of Petroleum Engineering, Rajiv Gandhi Institute of Petroleum Technology, Mubarakpur Mukhatiya, Uttar Pradesh 229304, India
| | - Muskan Sonker
- Department of Chemical and Biomolecular Engineering, Georgia Institute of Technology, Atlanta, Georgia 30332, United States
| | - Mohd Ashhar Khan
- Department of Chemical and Biological Engineering, State University of New York at Buffalo, Buffalo, New York 14260, United States
| | - Amrit Kumar
- Indian Oil Corporation Limited, Panipat Refinery, Panipat, Odisha 132140, India
| | - Nehil Shreyash
- Department of Chemical and Biomolecular Engineering, University of Houston, Houston, Texas 77204, United States
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Wang M, Xu P, Lei B. Engineering multifunctional bioactive citrate-based biomaterials for tissue engineering. Bioact Mater 2023; 19:511-537. [PMID: 35600971 PMCID: PMC9096270 DOI: 10.1016/j.bioactmat.2022.04.027] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 04/22/2022] [Accepted: 04/24/2022] [Indexed: 12/21/2022] Open
Abstract
Developing bioactive biomaterials with highly controlled functions is crucial to enhancing their applications in regenerative medicine. Citrate-based polymers are the few bioactive polymer biomaterials used in biomedicine because of their facile synthesis, controllable structure, biocompatibility, biomimetic viscoelastic mechanical behavior, and functional groups available for modification. In recent years, various multifunctional designs and biomedical applications, including cardiovascular, orthopedic, muscle tissue, skin tissue, nerve and spinal cord, bioimaging, and drug or gene delivery based on citrate-based polymers, have been extensively studied, and many of them have good clinical application potential. In this review, we summarize recent progress in the multifunctional design and biomedical applications of citrate-based polymers. We also discuss the further development of multifunctional citrate-based polymers with tailored properties to meet the requirements of various biomedical applications. Multifunctional bioactive citrate-based biomaterials have broad applications in regenerative medicine. Recent advances in multifunctional design and biomedical applications of citate-based polymers are summarized. Future challenge of citrate-based polymers in various biomedical applications are discussed.
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7
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Assessment of the Anti-Thrombogenic Activity of Polyurethane Starch Composites. J Funct Biomater 2022; 13:jfb13040184. [PMID: 36278653 PMCID: PMC9589968 DOI: 10.3390/jfb13040184] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2022] [Revised: 09/27/2022] [Accepted: 10/06/2022] [Indexed: 12/02/2022] Open
Abstract
The increasing morbidity and mortality of patients due to post-surgery complications of coronary artery bypass grafts (CABPG) are related to blood–material interactions. Thus, the characterization of the thrombogenicity of the biomaterial for cardiovascular devices is of particular interest. This research evaluated the anti-thrombogenic activity of polyurethanes–starch composites. We previously synthesized polyurethane matrices that were obtained from polycaprolactone diol (PCL), polyethylene glycol (PEG), pentaerythritol (PE), and isophorone diisocyanate (IPDI). In addition, potato starch (AL-N) and zwitterionic starch (AL-Z) were added as fillers. The anti-thrombogenic property was characterized by the clot formation time, platelet adhesion, protein absorption, TAT complex levels, and hemolysis. Additionally, we evaluated the cell viability of the endothelial and smooth muscle cells. Statically significant differences among the polyurethane matrices (P1, P2, and P3) were found for protein absorption and the blood clotting time without fillers. The polyurethanes composites with AL-Z presented an improvement in the anti-thrombogenic property. On the other hand, the composites with AL-Z reduced the viability of the endothelial cells and did not significantly affect the AoSCM (except for P1, which increased). These results classify these biomaterials as inert; therefore, they can be used for cardiovascular applications.
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Tan X, Gerhard E, Wang Y, Tran RT, Xu H, Yan S, Rizk EB, Armstrong AD, Zhou Y, Du J, Bai X, Yang J. Development of Biodegradable Osteopromotive Citrate-Based Bone Putty. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2203003. [PMID: 35717669 PMCID: PMC9463100 DOI: 10.1002/smll.202203003] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Indexed: 05/30/2023]
Abstract
The burden of bone fractures demands development of effective biomaterial solutions, while additional acute events such as noncompressible bleeding further motivate the search for multi-functional implants to avoid complications including osseous hemorrhage, infection, and nonunion. Bone wax has been widely used in orthopedic bleeding control due to its simplicity of use and conformation to irregular defects; however, its nondegradability results in impaired bone healing, risk of infection, and significant inflammatory responses. Herein, a class of intrinsically fluorescent, osteopromotive citrate-based polymer/hydroxyapatite (HA) composites (BPLP-Ser/HA) as a highly malleable press-fit putty is designed. BPLP-Ser/HA putty displays mechanics replicating early nonmineralized bone (initial moduli from ≈2-500 kPa), hydration induced mechanical strengthening in physiological conditions, tunable degradation rates (over 2 months), low swelling ratios (<10%), clotting and hemostatic sealing potential (resistant to blood pressure for >24 h) and significant adhesion to bone (≈350-550 kPa). Simultaneously, citrate's bioactive properties result in antimicrobial (≈100% and 55% inhibition of S. aureus and E. coli) and osteopromotive effects. Finally, BPLP-Ser/HA putty demonstrates in vivo regeneration in a critical-sized rat calvaria model equivalent to gold standard autograft. BPLP-Ser/HA putty represents a simple, off-the-shelf solution to the combined challenges of acute wound management and subsequent bone regeneration.
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Affiliation(s)
- Xinyu Tan
- Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong Province, 510515, China
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
- Academy of Orthopedics, Provincial Key Laboratory of Bone and Joint Degenerative Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong Province, 510280, China
| | - Ethan Gerhard
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Yuqi Wang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Richard T. Tran
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Hui Xu
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Su Yan
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Elias B. Rizk
- Department of Neurosurgery, College of Medicine, The Pennsylvania State University, Hershey, PA 17033, USA
| | - April D. Armstrong
- Department of Orthopaedics and Rehabilitation, College of Medicine, The Pennsylvania State University, Hershey, PA 17033, USA
| | - Yuxiao Zhou
- Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Jing Du
- Department of Mechanical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Xiaochun Bai
- Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, Guangdong Province, 510515, China
- Academy of Orthopedics, Provincial Key Laboratory of Bone and Joint Degenerative Diseases, The Third Affiliated Hospital of Southern Medical University, Guangzhou, Guangdong Province, 510280, China
| | - Jian Yang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
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Xue W, Du J, Li Q, Wang Y, Lu Y, Fan J, Yu S, Yang Y. Preparation, properties and application of graphene-based materials in tissue engineering scaffolds. TISSUE ENGINEERING PART B-REVIEWS 2021; 28:1121-1136. [PMID: 34751592 DOI: 10.1089/ten.teb.2021.0127] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Tissue engineering has great application prospect as an effective treatment for tissue and organ injury, functional reduction or loss. Bioactive tissues are reconstructed and damaged organs are repaired by the three elements including cells, scaffold materials and growth factors. Graphene-based composites can be used as reinforcing auxiliary materials for tissue scaffold preparation because of their large specific surface area, and good mechanical support. Tissue engineering scaffolds with graphene-based composites have been widely studied. Part of research have focused on the application of graphene-based composites in single tissue engineering; The basic principles of graphene materials used in tissue engineering are summarized in some researches. Some studies emphasized the key problems and solutions urgently needed to be solved in the development of tissue engineering, and discussed their application prospect. Some related studies mainly focused on the conductivity of graphene, and discussed the application of electroactive scaffolds in tissue engineering. In this review, the composite materials for preparing tissue engineering scaffolds are briefly described, which emphasizes the preparation methods, biological properties and practical applications of graphene-based composite scaffolds. The synthetic techniques with stressing solvent casting, electrospinning and 3D printing are introduced in detail. The mechanical, cell-oriented and biocompatible properties of graphene-based composite scaffolds in tissue engineering are analyzed and summarized. Their applications in bone tissue engineering, nerve tissue engineering, cardiovascular tissue engineering and other tissue engineering are summarized systematically. In addition, this work also looks forward to the difficulties and challenges in the future research, providing some references for the follow-up research of graphene-based composites in tissue engineering scaffolds.
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Affiliation(s)
- Wenqiang Xue
- Shanxi Medical University, 74648, Taiyuan, Shanxi , China;
| | - Jinglei Du
- Second Hospital of Shanxi Medical University, 74761, Taiyuan, Shanxi , China;
| | - Qiang Li
- Second Hospital of Shanxi Medical University, 74761, Taiyuan, Shanxi , China;
| | - Yan Wang
- Shanxi Medical University, 74648, Taiyuan, Shanxi , China;
| | - Yemin Lu
- Shanxi Medical University, 74648, Taiyuan, Shanxi , China;
| | - Jiangbo Fan
- Shanxi Medical University, 74648, Taiyuan, Shanxi , China;
| | - Shiping Yu
- Second Hospital of Shanxi Medical University, 74761, 582 Wuyi Road, Taiyuan City, Shanxi Province, Taiyuan, China, 030001;
| | - Yongzhen Yang
- Taiyuan University of Technology, 47846, Taiyuan, Shanxi , China;
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Birajdar MS, Joo H, Koh WG, Park H. Natural bio-based monomers for biomedical applications: a review. Biomater Res 2021; 25:8. [PMID: 33795019 PMCID: PMC8015023 DOI: 10.1186/s40824-021-00208-8] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2021] [Accepted: 03/10/2021] [Indexed: 11/10/2022] Open
Abstract
In recent years, synthetic and semi-synthetic polymer materials have been widely used in various applications. Especially concerning biomedical applications, their biocompatibility, biodegradability, and non-toxicity have increased the interest of researchers to discover and develop new products for the well-being of humanity. Among the synthetic and semi-synthetic materials, the use of natural bio-based monomeric materials presents a possible novel avenue for the development of new biocompatible, biodegradable, and non-toxic products. The purpose of this article is to review the information on the role of natural bio-based monomers in biomedical applications. Increased eco-friendliness, biocompatibility, biodegradability, non-toxicity, and intrinsic biological activity are some of the attributes which make itaconic, succinic, citric, hyaluronic, and glutamic acids suitable potential materials for biomedical applications. Herein, we summarize the most recent advances in the field over the past ten years and specifically highlight new and interesting discoveries in biomedical applications. Natural origin acid-based bio-monomers for biomedical applications.
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Affiliation(s)
- Mallinath S Birajdar
- Department of Integrative Engineering, Chung-Ang University, Seoul, Republic of Korea
| | - Haejin Joo
- Department of Integrative Engineering, Chung-Ang University, Seoul, Republic of Korea
| | - Won-Gun Koh
- Department of Chemical and Biomolecular Engineering, Yonsei University, Seoul, Republic of Korea
| | - Hansoo Park
- Department of Integrative Engineering, Chung-Ang University, Seoul, Republic of Korea.
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11
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Jung D, Rust T, Völlmecke K, Schoppa T, Langer K, Kuckling D. Backbone vs. side-chain: two light-degradable polyurethanes based on 6-nitropiperonal. Polym Chem 2021. [DOI: 10.1039/d1py00442e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Two novel polyurethanes, which are based on 6-nitropiperonal and differ in the implementation of the light-cleavable unit, were synthesized to develop a drug delivery system that only releases cargo upon application of a certain trigger.
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Affiliation(s)
- Dimitri Jung
- Department of Chemistry
- Paderborn University
- D-33098 Paderborn
- Germany
| | - Tarik Rust
- Department of Chemistry
- Paderborn University
- D-33098 Paderborn
- Germany
| | | | - Timo Schoppa
- Institute of Pharmaceutical Technology and Biopharmacy
- University of Münster
- D-48149 Münster
- Germany
| | - Klaus Langer
- Institute of Pharmaceutical Technology and Biopharmacy
- University of Münster
- D-48149 Münster
- Germany
| | - Dirk Kuckling
- Department of Chemistry
- Paderborn University
- D-33098 Paderborn
- Germany
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12
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Meloni MM, Barton S, Kaski JC, Song W, He T. An improved synthesis of a cyclopropene-based molecule for the fabrication of bioengineered tissues via copper-free click chemistry. J Appl Biomater Funct Mater 2019; 17:2280800019844746. [PMID: 31223071 DOI: 10.1177/2280800019844746] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND Since its introduction in the field of biological imaging, the use of copper-free click chemistry has been extended to produce improved materials for vascular surgery, ophthalmology, environmental, and automotive applications. This wide applicability suggests that larger quantities of the chemical reagents for copper-free click chemistry will be required in the future. However, the large-scale synthesis of such chemicals has been barely investigated. A possible reason is the shortage of reliable synthetic protocols to obtain large quantities of these building blocks. We therefore present in this paper an improved synthetic protocol to obtain a cyclopropene-based carbonate, a key building block for the well-known copper-free click chemistry. METHOD Our protocol builds upon an already available method to obtain a cyclopropene-based carbonate. When scaled up, several parameters of this method were changed in order to obtain an improved yield. First, the use of lower temperatures and slower addition rates of the chemicals avoided the formation of detrimental hotspots in the reaction system. Second, the use of less hygroscopic solvents minimized the decomposition of the cyclopropene carbonate. Finally, chromatographic purifications were minimized and improved by using deactivated silica. RESULTS We obtained the compound (2-methylcycloprop-2-en-1-yl)methyl (4-nitrophenyl) carbonate, a key building block for copper-free click chemistry, in an unprecedented 60% overall yield on a six-gram scale. CONCLUSIONS Our improved synthetic protocol demonstrates the potential of large-scale production of improved materials using click chemistry, with potential future applications in the fields of molecular imaging, vascular surgery, ophthalmology, and theranostics.
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Affiliation(s)
- Marco M Meloni
- 1 The Cardiology Academy Group, St George's University of London, London, UK.,2 School of Pharmacy and Chemistry, Kingston University, London, UK.,3 UCL Centre for Biomaterials, University College London, London, UK
| | - Stephen Barton
- 2 School of Pharmacy and Chemistry, Kingston University, London, UK
| | - Juan C Kaski
- 1 The Cardiology Academy Group, St George's University of London, London, UK
| | - Wenhui Song
- 3 UCL Centre for Biomaterials, University College London, London, UK
| | - Taigang He
- 1 The Cardiology Academy Group, St George's University of London, London, UK.,4 Royal Brompton Hospital, Imperial College London, London, UK
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Xu C, Kuriakose AE, Truong D, Punnakitikashem P, Nguyen KT, Hong Y. Enhancing anti-thrombogenicity of biodegradable polyurethanes through drug molecule incorporation. J Mater Chem B 2018; 6:7288-7297. [PMID: 30906556 PMCID: PMC6424506 DOI: 10.1039/c8tb01582a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Sufficient and sustained anti-thrombogenicity is essential for blood-contacting materials, because blood coagulation and thrombosis caused by platelet adhesion and activation on material surfaces may lead to functional failure and even fatal outcomes. Covalently conjugating antithrombogenic moieties into polymer, instead of surface modifying or blending, can maintain the anti-thrombogenicity of polymer at a high level over a time range. In this study, series of randomly crosslinked, elastic, biodegradable polyurethanes (PU-DPA) were synthesized through a one-pot and one-step method from polycaprolactone (PCL) diol, hexamethylene diisocyanate (HDI) and anti-thrombogenic drug, dipyridamole (DPA). The mechanical properties, hydrophilicity, in vitro degradation, and anti-thrombogenicity of the resultant PU-DPA polymers can be tuned by altering the incorporated DPA amount. The surface and bulk hydrophilicity of the polyurethanes decreased with increasing hydrophobic DPA amount. All PU-DPA polymers exhibited strong mechanical properties and good elasticity. The degradation rates of the PU-DPAs decreased with increasing DPA content in both PBS and lipase/PBS solutions. Covalently incorporating DPA into the polyurethane significantly reduced the platelet adhesion and activation compared to the polyurethane without DPA, and also can achieve sustained anti-thrombogenicity. The PU-DPA films also supported the growth of human umbilical vein endothelial cells. The attractive mechanical properties, blood compatibility, and cell compatibility of this anti-thrombogenic biodegradable polyurethane indicate that it has a great potential to be utilized for blood-contacting devices, and cardiovascular tissue repair and regeneration.
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Affiliation(s)
- Cancan Xu
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76019, USA
- Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Aneetta E. Kuriakose
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76019, USA
- Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Danh Truong
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76019, USA
- Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Primana Punnakitikashem
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76019, USA
- Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Kytai T. Nguyen
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76019, USA
- Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Yi Hong
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76019, USA
- Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
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14
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Iyer R, Kuriakose AE, Yaman S, Su LC, Shan D, Yang J, Liao J, Tang L, Banerjee S, Xu H, Nguyen KT. Nanoparticle eluting-angioplasty balloons to treat cardiovascular diseases. Int J Pharm 2018; 554:212-223. [PMID: 30408532 DOI: 10.1016/j.ijpharm.2018.11.011] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Revised: 10/29/2018] [Accepted: 11/03/2018] [Indexed: 12/18/2022]
Abstract
Nanoparticles (NPs) can be used to locally deliver anti-restenosis drugs when they are infused directly to the injured arteries after intervention procedures such as angioplasty. However, the efficacy of transferring NPs via infusion to the arterial wall is limited, at least partially, due to poor NP retention on the inner artery wall. To improve NP retention, angioplasty balloons coated with drug-loaded NPs were fabricated via either layer-by-layer (LbL) electrostatic coating or acrylic-based hydrogel (AAH) coating techniques. Three types of NPs, namely poly (lactide-co-glycolide) (PLGA), biodegradable photo-luminescent PLGA and urethane doped polyester were studied. The transfer efficacy of NPs from various coatings to the arterial wall were further evaluated to find the optimal coating conditions. The ex vivo NP transfer studies showed significantly more NPs being transferred to the rat arterial wall after the angioplasty procedure by the AAH coating (95% transfer efficiency) compared to that of the LbL technique (60%) and dip coating (20%) under flow conditions (10 dyn/cm2). Our results suggest that the AAH coating of drug-loaded NPs on the angioplasty balloon could potentially provide superior retention of drug-loaded NPs onto the arterial wall for a better local delivery of drug-loaded NPs to effectively treat arterial diseases.
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Affiliation(s)
- Roshni Iyer
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, USA
| | - Aneetta E Kuriakose
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, USA
| | - Serkan Yaman
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, USA
| | - Lee-Chun Su
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, USA
| | - Dingying Shan
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, Pennsylvania State University, University Park, PA, USA
| | - Jian Yang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, Pennsylvania State University, University Park, PA, USA
| | - Jun Liao
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, USA
| | - Liping Tang
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, USA
| | - Subhash Banerjee
- Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA; Division of Cardiology, VA North Texas Medical Center, Dallas, TX, USA
| | - Hao Xu
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, USA; Department of Internal Medicine, University of Texas Southwestern Medical Center, Dallas, TX, USA.
| | - Kytai T Nguyen
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX, USA.
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15
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Fabrication of heterogeneous porous bilayered nanofibrous vascular grafts by two-step phase separation technique. Acta Biomater 2018; 79:168-181. [PMID: 30121374 DOI: 10.1016/j.actbio.2018.08.014] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Revised: 08/10/2018] [Accepted: 08/14/2018] [Indexed: 01/06/2023]
Abstract
Innterconnected porous architecture is critical for tissue engineering scaffold as well as biomimetic nanofibrous structure. In addition, a paradigm shift is recently taking place in the scaffold design from homogeneous porous scaffold to heterogeneous porous scaffold for the complex tissues. In this study, a versatile and simple one-pot method, dual phase separation, is developed to fabricate macroporous nanofibrous scaffold by phase separating the mixture solutions of immiscible polymer blends without using porogens. The macropores in the scaffold are interconnected, and their size can be tuned by the polymer blend ratio. Moreover, benefiting from the easy operation of dual phase separation technique, an innovative, versatile and facile two-step phase separation method is developed to fabricate heterogeneous porous layered nanofibrous scaffolds with different shapes, such as bilayered tubular scaffold and tri-layered cylindrical scaffold. The bilayered tubular nanofibrous scaffold composed of poly(l-lactic acid) (PLLA)/poly(l-lactide-co-ε-caprolactone) (PLCL) microporous inner layer and PLLA/poly(ε-caprolactone) (PCL) macroporous outer layer matches simultaneously the functional growth of endothelial cells (ECs) and smooth muscle cells (SMCs), and shows the favorable performance for potential small diameter blood vessel application. Therefore, this study provides the novel and facile strategies to fabricate macroporous nanofibrous scaffold and heterogeneous porous layered nanofibrous scaffold for tissue engineering applications. STATEMENT OF SIGNIFICANCE The fabrication of porous tissue engineering scaffold made of non-water-soluble polymer commonly requires the use of porogen materials. This is complex and time-consuming, resulting in greater difficulty to prepare heterogeneous porous layered scaffold for multifunctional tissues repair, such as blood vessel and osteochondral tissue. Herein, a novel, versatile and simple one-pot dual phase separation technique is developed for the first time to fabricate porous scaffold without using porogens. Simultaneously, it also endows the resultant scaffold with the biomimetic nanofibrous architecture. Based on the easy operation of this dual phase separation technique, a facile two-step phase separation method is also put forward for the first time and applied in fabricating heterogeneous porous layered nanofibrous scaffold for tissue engineering applications.
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16
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Kim GB, Chen Y, Kang W, Guo J, Payne R, Li H, Wei Q, Baker J, Dong C, Zhang S, Wong PK, Rizk EB, Yan J, Yang J. The critical chemical and mechanical regulation of folic acid on neural engineering. Biomaterials 2018; 178:504-516. [PMID: 29657092 PMCID: PMC6328061 DOI: 10.1016/j.biomaterials.2018.03.059] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2018] [Revised: 03/24/2018] [Accepted: 03/31/2018] [Indexed: 12/29/2022]
Abstract
The mandate of folic acid supplementation in grained products has reduced the occurrence of neural tube defects by one third in the U.S since its introduction by the Food and Drug Administration in 1998. However, the advantages and possible mechanisms of action of using folic acid for peripheral nerve engineering and neurological diseases still remain largely elusive. Herein, folic acid is described as an inexpensive and multifunctional niche component that modulates behaviors in different cells in the nervous system. The multiple benefits of modulation include: 1) generating chemotactic responses on glial cells, 2) inducing neurotrophin release, and 3) stimulating neuronal differentiation of a PC-12 cell system. For the first time, folic acid is also shown to enhance cellular force generation and global methylation in the PC-12 cells, thereby enabling both biomechanical and biochemical pathways to regulate neuron differentiation. These findings are evaluated in vivo for clinical translation. Our results suggest that folic acid-nerve guidance conduits may offer significant benefits as a low-cost, off-the-shelf product for reaching the functional recovery seen with autografts in large sciatic nerve defects. Consequently, folic acid holds great potential as a critical and convenient therapeutic intervention for neural engineering, regenerative medicine, medical prosthetics, and drug delivery.
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Affiliation(s)
- Gloria B Kim
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Yongjie Chen
- Department of Orthopedic Surgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, PR China
| | - Weibo Kang
- Department of Orthopedic Surgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, PR China
| | - Jinshan Guo
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Russell Payne
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, Hershey, PA 17033, USA
| | - Hui Li
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Qiong Wei
- Department of Engineering Science and Mechanics, Materials Research Institute, The Pennsylvania State University, University Park, PA 16802, USA
| | - Julianne Baker
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Cheng Dong
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Sulin Zhang
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, Hershey, PA 17033, USA
| | - Pak Kin Wong
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Elias B Rizk
- Department of Neurosurgery, Penn State Milton S. Hershey Medical Center, Hershey, PA 17033, USA
| | - Jiazhi Yan
- Department of Orthopedic Surgery, Beijing Tiantan Hospital, Capital Medical University, Beijing 100050, PR China.
| | - Jian Yang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA.
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17
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Ma C, Gerhard E, Lu D, Yang J. Citrate chemistry and biology for biomaterials design. Biomaterials 2018; 178:383-400. [PMID: 29759730 DOI: 10.1016/j.biomaterials.2018.05.003] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Revised: 04/17/2018] [Accepted: 05/03/2018] [Indexed: 12/18/2022]
Abstract
Leveraging the multifunctional nature of citrate in chemistry and inspired by its important role in biological tissues, a class of highly versatile and functional citrate-based materials (CBBs) has been developed via facile and cost-effective polycondensation. CBBs exhibiting tunable mechanical properties and degradation rates, together with excellent biocompatibility and processability, have been successfully applied in vitro and in vivo for applications ranging from soft to hard tissue regeneration, as well as for nanomedicine designs. We summarize in the review, chemistry considerations for CBBs design to tune polymer properties and to introduce functionality with a focus on the most recent advances, biological functions of citrate in native tissues with the new notion of degradation products as cell modulator highlighted, and the applications of CBBs in wound healing, nanomedicine, orthopedic, cardiovascular, nerve and bladder tissue engineering. Given the expansive evidence for citrate's potential in biology and biomaterial science outlined in this review, it is expected that citrate based materials will continue to play an important role in regenerative engineering.
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Affiliation(s)
- Chuying Ma
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, 16801, PA, USA
| | - Ethan Gerhard
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, 16801, PA, USA
| | - Di Lu
- Rehabilitation Engineering Research Laboratory, Biomedicine Engineering Research Centre Kunming Medical University, Kunming, 650500, Yunnan, China
| | - Jian Yang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of the Life Sciences, The Pennsylvania State University, University Park, 16801, PA, USA.
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18
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Zhang C, Zhai T, Turng LS. Electrospinning of poly(lactic acid)/polycaprolactone blends: investigation of the governing parameters and biocompatibility. JOURNAL OF POLYMER ENGINEERING 2018. [DOI: 10.1515/polyeng-2017-0194] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
AbstractBlends of poly(lactic acid)/polycaprolactone (PLA/PCL) were electrospun under various conditions to study the influence of solution concentration, feed rate and voltage supply on the morphology of the nanofibers. To improve compatibility and to help produce fine electrospun nanofibers, an L-lactide/caprolactone (LACL) copolymer was introduced as a compatibilizer in the PLA/PCL blends. It was found that the solution concentration was a principal governing factor. The mean diameter of the fibers increased with the solution concentration, feed rate and voltage. Too high of a concentration and feed rate caused the fibers to stick to each other. A slow feed rate, 10% solution concentration, and 20 kV voltage were capable of producing thin, smooth and uniform fibers. Preliminary biocompatibility assays of the nanofibers were conducted with NIH 3T3 cells. The cells grown on the nanofiber blend exhibited spindle-like morphologies. The addition of PCL and LACL copolymer was found to improve the biocompatibility of PLA nanofibers, suggesting their potential application as cell culture scaffolds.
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19
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In vitro cytocompatibility evaluation of poly(octamethylene citrate) monomers toward their use in orthopedic regenerative engineering. Bioact Mater 2018; 3:19-27. [PMID: 29744439 PMCID: PMC5935768 DOI: 10.1016/j.bioactmat.2018.01.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2017] [Revised: 01/02/2018] [Accepted: 01/03/2018] [Indexed: 12/21/2022] Open
Abstract
Citrate based polymer poly(octamethylene citrate) (POC) has shown promise when formulated into composite material containing up to 65 wt% hydroxylapatite (HA) for orthopedic applications. Despite significant research into POC, insufficient information about the biocompatibility of the monomers 1,8-Octanediol and Citrate used in its synthesis is available. Herein, we investigated the acute cytotoxicity, immune response, and long-term functionality of both monomers. Our results showed a cell-type dependent cytotoxicity of the two monomers: 1,8-Octanediol induced less acute toxicity to 3T3 fibroblasts than Citrate while presenting comparable cytotoxicity to MG63 osteoblast-like cells; however, Citrate demonstrated enhanced compatibility with hMSCs compared to 1,8-Octanediol. The critical cytotoxic concentration values EC30 and EC50, standard for comparing cytotoxicity of chemicals, were also provided. Additionally, Citrate showed slower and less inhibitory effects on long-term hMSC cell proliferation compared with 1,8-Octanediol. Furthermore, osteogenic differentiation of hMSCs exposure to Citrate resulted in less inhibitory effect on alkaline phosphatase (ALP) production. Neither monomer triggered undesired pro-inflammatory responses. In combination with diffusion model analysis of monomer release from cylindrical implants, based on which the maximum concentration of monomers in contact with bone tissue was estimated to be 2.2 × 10−4 mmol/L, far lower than the critical cytotoxic concentrations as well as the 1,8-Octanediol concentration (0.4 mg/mL or 2.7 mmol/L) affecting hMSCs differentiation, we provide strong evidence for the cytocompatibility of the two monomers degraded from citrate-based composites in the orthopedic setting. It was the first time to comprehensively evaluate the cytotoxicity of 1,8-Octanediol and Citrate. The effect of 1,8-Octanediol and Citrate on osteogenic differentiation was investigated. A diffusion model was established to estimate the in vivo monomer release and diffusion.
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20
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Lyu Y, Ren H, Yu M, Li X, Li D, Mu C. Using oxidized amylose as carrier of linalool for the development of antibacterial wound dressing. Carbohydr Polym 2017; 174:1095-1105. [PMID: 28821032 DOI: 10.1016/j.carbpol.2017.07.033] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2017] [Revised: 07/11/2017] [Accepted: 07/11/2017] [Indexed: 12/15/2022]
Abstract
This study aimed to prepare antibacterial wound dressings based on collagen and linalool/oxidized amylose inclusion complex. Encapsulation with oxidized amylose was used as an effective way to introduce linalool into collagen matrix. Our results showed that the content of linalool in the composite dressings was efficiently increased thanks to the solubilization effect of oxidized amyloses. The developed composite dressings possessed porous structure. They had abilities to keep the wound in moist environment and meanwhile prevent the excess exudates accumulation. The incorporation of linalool conferred the composite dressings with excellent antibacterial activities as expected. Moreover, the composite dressing with the highest content of linalool presented enhanced blood compatibility and good cell biocompatibility. This composite dressing effectively promoted granulation tissue formation and accelerated wound healing. It effectively prevented inflammation in regenerated skin tissue and scar formation too. Overall, the developed antibacterial wound dressings hold great potential for use in wound healing applications.
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Affiliation(s)
- Yongbo Lyu
- Department of Pharmaceutical and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - He Ren
- Department of Pharmaceutical and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China
| | - Mengchao Yu
- State Key Laboratory of Pharmaceutical Biotechnology, Collaborative Innovation Center of Chemistry for Life Sciences, Jiangsu Engineering Research Center for MicroRNA Biology and Biotechnology, NJU Advanced Institute for Life Sciences (NAILS), School of Life Sciences, Nanjing University, Nanjing 210023, PR China
| | - Xinying Li
- College of Chemistry and Environment Protection Engineering, Southwest University for Nationalities, Chengdu 610041, PR China
| | - Defu Li
- Department of Pharmaceutical and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China.
| | - Changdao Mu
- Department of Pharmaceutical and Bioengineering, School of Chemical Engineering, Sichuan University, Chengdu 610065, PR China.
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21
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Wang C, Zheng Y, Sun Y, Fan J, Qin Q, Zhao Z. A novel biodegradable polyurethane based on poly(3-hydroxybutyrate-co-3-hydroxyvalerate) and poly(ethylene glycol) as promising biomaterials with the improvement of mechanical properties and hemocompatibility. Polym Chem 2016. [DOI: 10.1039/c6py01131d] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A novel biodegradable PHBV-based polyurethane was designed and synthesized by using PHBV, MDI and PEG.
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Affiliation(s)
- Cai Wang
- School of Materials Science and Engineering
- University of Science and Technology Beijing
- Beijing 100083
- PR China
| | - Yudong Zheng
- School of Materials Science and Engineering
- University of Science and Technology Beijing
- Beijing 100083
- PR China
| | - Yi Sun
- School of Materials Science and Engineering
- University of Science and Technology Beijing
- Beijing 100083
- PR China
| | - Jinsheng Fan
- School of Materials Science and Engineering
- University of Science and Technology Beijing
- Beijing 100083
- PR China
| | - Qiujing Qin
- School of Materials Science and Engineering
- University of Science and Technology Beijing
- Beijing 100083
- PR China
| | - Zhenjiang Zhao
- School of Materials Science and Engineering
- University of Science and Technology Beijing
- Beijing 100083
- PR China
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22
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Tran RT, Yang J, Ameer GA. Citrate-Based Biomaterials and Their Applications in Regenerative Engineering. ANNUAL REVIEW OF MATERIALS RESEARCH 2015; 45:277-310. [PMID: 27004046 PMCID: PMC4798247 DOI: 10.1146/annurev-matsci-070214-020815] [Citation(s) in RCA: 81] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/30/2023]
Abstract
Advances in biomaterials science and engineering are crucial to translating regenerative engineering, an emerging field that aims to recreate complex tissues, into clinical practice. In this regard, citrate-based biomaterials have become an important tool owing to their versatile material and biological characteristics including unique antioxidant, antimicrobial, adhesive, and fluorescent properties. This review discusses fundamental design considerations, strategies to incorporate unique functionality, and examples of how citrate-based biomaterials can be an enabling technology for regenerative engineering.
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Affiliation(s)
- Richard T. Tran
- Department of Biomedical Engineering, Materials Research Institute, and The Huck Institutes of the Life Sciences, Pennsylvania State University, University Park, Pennsylvania 16802
| | - Jian Yang
- Department of Biomedical Engineering, Materials Research Institute, and The Huck Institutes of the Life Sciences, Pennsylvania State University, University Park, Pennsylvania 16802
| | - Guillermo A. Ameer
- Biomedical Engineering Department, Northwestern University, Evanston, Illinois 60208
- Department of Surgery, Feinberg School of Medicine, Northwestern University, Chicago, Illinois 60611
- Chemistry of Life Processes Institute, Northwestern University, Evanston, Illinois 60208
- Simpson Querrey Institute for Bionanotechnology, Northwestern University, Chicago, Illinois 60611
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23
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Chandorkar Y, Bhaskar N, Madras G, Basu B. Long-term sustained release of salicylic acid from cross-linked biodegradable polyester induces a reduced foreign body response in mice. Biomacromolecules 2015; 16:636-49. [PMID: 25559641 DOI: 10.1021/bm5017282] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
There has been a continuous surge toward developing new biopolymers that exhibit better in vivo biocompatibility properties in terms of demonstrating a reduced foreign body response (FBR). One approach to mitigate the undesired FBR is to develop an implant capable of releasing anti-inflammatory molecules in a sustained manner over a long time period. Implants causing inflammation are also more susceptible to infection. In this article, the in vivo biocompatibility of a novel, biodegradable salicylic acid releasing polyester (SAP) has been investigated by subcutaneous implantation in a mouse model. The tissue response to SAP was compared with that of a widely used biodegradable polymer, poly(lactic acid-co-glycolic acid) (PLGA), as a control over three time points: 2, 4, and 16 weeks postimplantation. A long-term in vitro study illustrates a continuous, linear (zero order) release of salicylic acid with a cumulative mass percent release rate of 7.34 × 10(-4) h(-1) over ∼1.5-17 months. On the basis of physicochemical analysis, surface erosion for SAP and bulk erosion for PLGA have been confirmed as their dominant degradation modes in vivo. On the basis of the histomorphometrical analysis of inflammatory cell densities and collagen distribution as well as quantification of proinflammatory cytokine levels (TNF-α and IL-1β), a reduced foreign body response toward SAP with respect to that generated by PLGA has been unambiguously established. The favorable in vivo tissue response to SAP, as manifest from the uniform and well-vascularized encapsulation around the implant, is consistent with the decrease in inflammatory cell density and increase in angiogenesis with time. The above observations, together with the demonstration of long-term and sustained release of salicylic acid, establish the potential use of SAP for applications in improved matrices for tissue engineering and chronic wound healing.
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Affiliation(s)
- Yashoda Chandorkar
- Laboratory for Biomaterials, Materials Research Centre, ‡Department of Chemical Engineering, §Bioengineering Program, Indian Institute of Science , Bangalore 560012, India
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24
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Bito K, Maeda T, Hagiwara K, Yoshida S, Hasebe T, Hotta A. Poly(2-methacryloyloxyethyl phosphorylcholine) (MPC) nanofibers coated with micro-patterned diamond-like carbon (DLC) for the controlled drug release. ACTA ACUST UNITED AC 2015. [DOI: 10.17106/jbr.29.51] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Kenta Bito
- Department of Mechanical Engineering, Keio University
| | - Tomoki Maeda
- Department of Mechanical Engineering, Keio University
| | | | - Soki Yoshida
- Department of Mechanical Engineering, Keio University
| | - Terumitsu Hasebe
- Department of Mechanical Engineering, Keio University
- Tokai University Hachioji Hospital, Tokai University School of Medicine
| | - Atsushi Hotta
- Department of Mechanical Engineering, Keio University
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25
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Sun D, Chen Y, Tran RT, Xu S, Xie D, Jia C, Wang Y, Guo Y, Zhang Z, Guo J, Yang J, Jin D, Bai X. Citric acid-based hydroxyapatite composite scaffolds enhance calvarial regeneration. Sci Rep 2014; 4:6912. [PMID: 25372769 PMCID: PMC4220725 DOI: 10.1038/srep06912] [Citation(s) in RCA: 51] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Accepted: 10/15/2014] [Indexed: 12/17/2022] Open
Abstract
Citric acid-based polymer/hydroxyapatite composites (CABP-HAs) are a novel class of biomimetic composites that have recently attracted significant attention in tissue engineering. The objective of this study was to compare the efficacy of using two different CABP-HAs, poly (1,8-octanediol citrate)-click-HA (POC-Click-HA) and crosslinked urethane-doped polyester-HA (CUPE-HA) as an alternative to autologous tissue grafts in the repair of skeletal defects. CABP-HA disc-shaped scaffolds (65 wt.-% HA with 70% porosity) were used as bare implants without the addition of growth factors or cells to renovate 4 mm diameter rat calvarial defects (n = 72, n = 18 per group). Defects were either left empty (negative control group), or treated with CUPE-HA scaffolds, POC-Click-HA scaffolds, or autologous bone grafts (AB group). Radiological and histological data showed a significant enhancement of osteogenesis in defects treated with CUPE-HA scaffolds when compared to POC-Click-HA scaffolds. Both, POC-Click-HA and CUPE-HA scaffolds, resulted in enhanced bone mineral density, trabecular thickness, and angiogenesis when compared to the control groups at 1, 3, and 6 months post-trauma. These results show the potential of CABP-HA bare implants as biocompatible, osteogenic, and off-shelf-available options in the repair of orthopedic defects.
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Affiliation(s)
- Dawei Sun
- 1] Academy of Orthopedics, Guangdong Province, Department of Orthopedics, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China [2] Department of Orthopaedics &Microsurgery, Guangdong No. 2 Provincial People's Hospital, Guangzhou, 510317, China
| | - Yuhui Chen
- Academy of Orthopedics, Guangdong Province, Department of Orthopedics, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China
| | - Richard T Tran
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of The Life Sciences, The Pennsylvania State University, University Park, Pennsylvania, 16802, U.S.A
| | - Song Xu
- 1] Academy of Orthopedics, Guangdong Province, Department of Orthopedics, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China [2] State Key Laboratory of Organ Failure Research, Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
| | - Denghui Xie
- 1] Academy of Orthopedics, Guangdong Province, Department of Orthopedics, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China [2] Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of The Life Sciences, The Pennsylvania State University, University Park, Pennsylvania, 16802, U.S.A
| | - Chunhong Jia
- State Key Laboratory of Organ Failure Research, Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
| | - Yuchen Wang
- Academy of Orthopedics, Guangdong Province, Department of Orthopedics, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China
| | - Ying Guo
- Academy of Orthopedics, Guangdong Province, Department of Orthopedics, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China
| | - Zhongmin Zhang
- Academy of Orthopedics, Guangdong Province, Department of Orthopedics, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China
| | - Jinshan Guo
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of The Life Sciences, The Pennsylvania State University, University Park, Pennsylvania, 16802, U.S.A
| | - Jian Yang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of The Life Sciences, The Pennsylvania State University, University Park, Pennsylvania, 16802, U.S.A
| | - Dadi Jin
- Academy of Orthopedics, Guangdong Province, Department of Orthopedics, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China
| | - Xiaochun Bai
- 1] Academy of Orthopedics, Guangdong Province, Department of Orthopedics, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510665, China [2] State Key Laboratory of Organ Failure Research, Department of Cell Biology, School of Basic Medical Science, Southern Medical University, Guangzhou, 510515, China
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Punnakitikashem P, Truong D, Menon JU, Nguyen KT, Hong Y. Electrospun biodegradable elastic polyurethane scaffolds with dipyridamole release for small diameter vascular grafts. Acta Biomater 2014; 10:4618-4628. [PMID: 25110284 DOI: 10.1016/j.actbio.2014.07.031] [Citation(s) in RCA: 83] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Revised: 07/22/2014] [Accepted: 07/30/2014] [Indexed: 12/20/2022]
Abstract
Acellular biodegradable small diameter vascular grafts (SDVGs) require antithrombosis, intimal hyperplasia inhibition and rapid endothelialization to improve the graft patency. However, current antithrombosis and antiproliferation approaches often conflict with endothelial cell layer formation on SDVGs. To address this limitation, biodegradable elastic polyurethane urea (BPU) and the drug dipyridamole (DPA) were mixed and then electrospun into a biodegradable fibrous scaffold. The BPU would provide the appropriate mechanical support, while the DPA in the scaffold would offer biofunctions as required above. We found that the resulting scaffolds had tensile strengths and strains comparable with human coronary artery. The DPA in the scaffolds was continuously released up to 91 days in phosphate buffer solution at 37 °C, with a low burst release within the first 3 days. Compared to BPU alone, improved non-thrombogenicity of the DPA-loaded BPU scaffolds was evidenced with extended human blood clotting time, lower TAT complex concentration, lower hemolysis and reduced human platelet deposition. The scaffolds with a higher DPA content (5 and 10%) inhibited proliferation of human aortic smooth muscle cell significantly. Furthermore, the DPA-loaded scaffolds had no adverse effect on human aortic endothelial cell growth, yet it improved their proliferation. The attractive mechanical properties and biofunctions of the DPA-loaded BPU scaffold indicate its potential as an acellular biodegradable SDVG for vascular replacement.
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Affiliation(s)
- Primana Punnakitikashem
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76019, USA; Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Danh Truong
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76019, USA; Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Jyothi U Menon
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76019, USA; Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Kytai T Nguyen
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76019, USA; Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Yi Hong
- Department of Bioengineering, University of Texas at Arlington, Arlington, TX 76019, USA; Joint Biomedical Engineering Program, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA.
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27
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Su LC, Xu H, Tran RT, Tsai YT, Tang L, Banerjee S, Yang J, Nguyen KT. In situ re-endothelialization via multifunctional nanoscaffolds. ACS NANO 2014; 8:10826-36. [PMID: 25222570 PMCID: PMC4212783 DOI: 10.1021/nn504636n] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/18/2014] [Accepted: 09/11/2014] [Indexed: 05/25/2023]
Abstract
The endothelium monolayer lining in the luminal side of blood vessels provides critical antithrombotic functions. Damage to these cells will expose a highly thrombogenic subendothelium, which leads to pathological vascular changes. Using combined tissue engineering and ligand-receptor targeting strategy, we developed a biodegradable urethane-doped polyester (UPE) multifunctional targeting nanoparticle (MTN) scaffold system with dual ligands: (1) glycoprotein 1b (GP1b) to target the injured arterial endothelium and subendothelium and (2) anti-CD34 antibodies to capture endothelial progenitor cells for endothelium regeneration. The fabricated spherical MTNs of 400 nm were found to be cytocompatible and hemocompatible. Both the in vitro and ex vivo targeting of these nanoscaffolds not only showed binding specificity of MTNs onto the von Willebrand factor -coated surfaces that simulate the injured arterial walls but also competed with platelets for binding onto these injured sites. Further in vivo study has revealed that a single delivery of MTNs upon vascular injury reduced neointimal hyperplasia by 57% while increased endothelium regeneration by ∼ 60% in 21 days. These results support the promise of using MTN nanoscaffolds for treating vascular injury in situ.
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Affiliation(s)
- Lee-Chun Su
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76010, United States
| | - Hao Xu
- Department of Internal Medicine, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas 75390, United States
| | - Richard T. Tran
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of The Life Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Yi-Ting Tsai
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76010, United States
| | - Liping Tang
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76010, United States
| | - Subhash Banerjee
- Department of Internal Medicine, University of Texas Southwestern Medical Center at Dallas, Dallas, Texas 75390, United States
| | - Jian Yang
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of The Life Sciences, The Pennsylvania State University, University Park, Pennsylvania 16802, United States
| | - Kytai T. Nguyen
- Department of Bioengineering, University of Texas at Arlington, Arlington, Texas 76010, United States
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28
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Kumar V, Taylor NL, Jalan AA, Hwang LK, Wang BK, Hartgerink JD. A nanostructured synthetic collagen mimic for hemostasis. Biomacromolecules 2014; 15:1484-90. [PMID: 24694012 PMCID: PMC3993945 DOI: 10.1021/bm500091e] [Citation(s) in RCA: 110] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2014] [Revised: 03/18/2014] [Indexed: 12/24/2022]
Abstract
Collagen is a major component of the extracellular matrix and plays a wide variety of important roles in blood clotting, healing, and tissue remodeling. Natural, animal derived, collagen is used in many clinical applications but concerns exist with respect to its role in inflammation, batch-to-batch variability, and possible disease transfection. Therefore, development of synthetic nanomaterials that can mimic the nanostructure and properties of natural collagen has been a heavily pursued goal in biomaterials. Previously, we reported on the design and multihierarchial self-assembly of a 36 amino acid collagen mimetic peptide (KOD) that forms nanofibrous triple helices that entangle to form a hydrogel. In this report, we utilize this nanofiber forming collagen mimetic peptide as a synthetic biomimetic matrix useful in thrombosis. We demonstrate that nanofibrous KOD synthetic collagen matrices adhere platelets, activate them (indicated by soluble P-selectin secretion), and clot plasma and blood similar to animal derived collagen and control surfaces. In addition to the thrombotic potential, THP-1 monocytes incubated with our KOD collagen mimetic showed minimal proinflammatory cytokine (TNF-α or IL-1β) production. Together, the data presented demonstrates the potential of a novel synthetic collagen mimetic as a hemostat.
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Affiliation(s)
- Vivek
A. Kumar
- Department of Chemistry,
Department of Bioengineering, Rice University, Houston, Texas 77030, United States
| | - Nichole L. Taylor
- Department of Chemistry,
Department of Bioengineering, Rice University, Houston, Texas 77030, United States
| | - Abhishek A. Jalan
- Department of Chemistry,
Department of Bioengineering, Rice University, Houston, Texas 77030, United States
| | - Lyahn K. Hwang
- Department of Chemistry,
Department of Bioengineering, Rice University, Houston, Texas 77030, United States
| | - Benjamin K. Wang
- Department of Chemistry,
Department of Bioengineering, Rice University, Houston, Texas 77030, United States
| | - Jeffery D. Hartgerink
- Department of Chemistry,
Department of Bioengineering, Rice University, Houston, Texas 77030, United States
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29
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Guo J, Xie Z, Tran RT, Xie D, Yang J. Click chemistry plays a dual role in biodegradable polymer design. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2014; 26:1906-11. [PMID: 24375469 PMCID: PMC3969723 DOI: 10.1002/adma.201305162] [Citation(s) in RCA: 56] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2013] [Revised: 11/15/2013] [Indexed: 05/03/2023]
Abstract
Click chemistry plays a dual role in the design of new citrate-based biodegradable elastomers (CABEs) with greatly improved mechanical strength and easily clickable surfaces for biofunctionalization. This novel chemistry modification strategy is applicable to a number of different types of polymers for improved mechanical properties and biofunctionality.
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Affiliation(s)
- Jinshan Guo
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of The Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Zhiwei Xie
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of The Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Richard T. Tran
- Department of Biomedical Engineering, Materials Research Institute, The Huck Institutes of The Life Sciences, The Pennsylvania State University, University Park, PA 16802, USA
| | - Denghui Xie
- Academy of Orthopedics of Guangdong Province, Guangzhou, 510630, China, Department of Orthopedics, The Third Affiliated Hospital, Southern Medical University, Guangzhou, 510630, China, Department of Biomedical Engineering, The Pennsylvania State University, University Park, PA 16802, USA
| | - Jian Yang
- Corresponding author: Jian Yang, W340 Millennium Science Complex, University Park, PA 16802. Tel.: (+1) 814-865-1278;
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30
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Sartori S, Chiono V, Tonda-Turo C, Mattu C, Gianluca C. Biomimetic polyurethanes in nano and regenerative medicine. J Mater Chem B 2014; 2:5128-5144. [DOI: 10.1039/c4tb00525b] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Nature's inspiration is a promising tool to design new biomaterials especially for frontier technological areas such as tissue engineering and nanomedicine.
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Affiliation(s)
- Susanna Sartori
- Politecnico di Torino
- Dep. of Mechanical and Aerospace Engineering
- Turin, Italy
| | - Valeria Chiono
- Politecnico di Torino
- Dep. of Mechanical and Aerospace Engineering
- Turin, Italy
| | - Chiara Tonda-Turo
- Politecnico di Torino
- Dep. of Mechanical and Aerospace Engineering
- Turin, Italy
| | - Clara Mattu
- Politecnico di Torino
- Dep. of Mechanical and Aerospace Engineering
- Turin, Italy
| | - Ciardelli Gianluca
- Politecnico di Torino
- Dep. of Mechanical and Aerospace Engineering
- Turin, Italy
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31
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Fluorescence imaging enabled urethane-doped citrate-based biodegradable elastomers. Biomaterials 2013; 34:4048-4056. [PMID: 23465824 DOI: 10.1016/j.biomaterials.2013.02.040] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2013] [Accepted: 02/13/2013] [Indexed: 01/12/2023]
Abstract
The field of tissue engineering and drug delivery calls for new measurement tools, non-invasive real-time assays, and design methods for the next wave of innovations. Based on our recent progress in developing intrinsically biodegradable photoluminescent polymers (BPLPs) without conjugating organic dyes or quantum dots, in this paper, we developed a new type urethane-doped biodegradable photoluminescent polymers (UBPLPs) that could potentially serve as a new tool to respond the above call for innovations. Inherited from BPLPs, UBPLPs demonstrated strong inherent photoluminescence and excellent cytocompatibility in vitro. Crosslinked UBPLPs (CUBPLPs) showed soft, elastic, but strong mechanical properties with a tensile strength as high as 49.41 ± 6.17 MPa and a corresponding elongation at break of 334.87 ± 26.31%. Porous triphasic CUBPLP vascular scaffolds showed a burst pressure of 769.33 ± 70.88 mmHg and a suture retention strength of 1.79 ± 0.11 N. Stable but photoluminescent nanoparticles with average size of 103 nm were also obtained by nanoprecipitation. High loading efficiency (91.84%) and sustained release of 5-fluorouracil (up to 120 h) were achieved from UBPLP nanoparticles. With a quantum yield as high as 38.65%, both triphasic scaffold and nanoparticle solutions could be non-invasively detected in vivo. UBPLPs represent an innovation in fluorescent biomaterial design and may offer great potential in advancing the field of tissue engineering and drug delivery where bioimaging has gained increasing interest.
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32
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Gyawali D, Nair P, Kim HKW, Yang J. Citrate-based Biodegradable Injectable hydrogel Composites for Orthopedic Applications. Biomater Sci 2013; 1:52-64. [PMID: 23977427 DOI: 10.1039/c2bm00026a] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Previous studies have confirmed that natural bone apatite crystals are bound with citrate-rich molecules. Citrates on apatite crystals impact bone development and its load-bearing function. However, such understanding has never been translated into bone biomaterials design. Herein, a first citrate-based injectable composite material for orthopedic applications is developed based on our recently developed biodegradable poly(ethylene glycol) maleate citrate (PEGMC) and hydroxyapatite (HA). PEGMC contains rich carboxylic groups that could chelate with calcium-containing HA thus facilitating polymer/HA interactions, similar to natural citrate-bound apatite crystal. The crosslinking of poly(ethylene glycol) diacrylate (PEGDA) with PEGMC/HA composites allows an addition control over degradation and mechanical properties of the crosslinked PEGMC/HA (CPEGMC/HA) composites. CPEGMC/HA composite can serve as an ideal injectable cell carrier as confirmed by the enhanced DNA content, ALP activity, and calcium production through a human fetal osteoblast encapsulation study. Ex vivo study on porcine femoral head demonstrated that PEGMC/HA is a potentially promising injectable biodegradable bone material for the treatment of osteonecrosis of the femoral head. Development of biodegradable citrate-based injectable PEGMC/HA composite is an initial step for the development of the next generation of bone tissue engineering and orthopedic biomaterials.
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Affiliation(s)
- Dipendra Gyawali
- Department of Bioengineering, The University of Texas at Arlington, Arlington, TX ; Joint Biomedical Engineering Program, The University of Texas Southwestern Medical Center and The University of Texas at Arlington, Dallas, TX 75390
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33
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Injectable citrate-based mussel-inspired tissue bioadhesives with high wet strength for sutureless wound closure. Biomaterials 2012; 33:7972-83. [PMID: 22902057 DOI: 10.1016/j.biomaterials.2012.07.055] [Citation(s) in RCA: 280] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2012] [Accepted: 07/26/2012] [Indexed: 11/20/2022]
Abstract
The existing surgical adhesives are not ideal for wet tissue adhesion required in many surgeries such as those for internal organs. Developing surgical adhesives with strong wet tissue adhesion, controlled degradability and mechanical properties, and excellent biocompatibility has been a significant challenge. Herein, learning from nature, we report a one-step synthesis of a family of injectable citrate-based mussel-inspired bioadhesives (iCMBAs) for surgical use. Within the formulations investigated, iCMBAs showed 2.5-8.0 folds stronger wet tissue adhesion strength over the clinically used fibrin glue, demonstrated controlled degradability and tissue-like elastomeric mechanical properties, and exhibited excellent cyto/tissue-compatibility both in vitro and in vivo. iCMBAs were able to stop bleeding instantly and suturelessly, and close wounds (2 cm long×0.5 cm deep) created on the back of Sprague-Dawley rats, which is impossible when using existing gold standard, fibrin glue, due to its weak wet tissue adhesion strength. Equally important, the new bioadhesives facilitate wound healing, and are completely degraded and absorbed without eliciting significant inflammatory response. Our results support that iCMBA technology is highly translational and could have broad impact on surgeries where surgical tissue adhesives, sealants, and hemostatic agents are used.
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34
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Liu Q, Jiang L, Shi R, Zhang L. Synthesis, preparation, in vitro degradation, and application of novel degradable bioelastomers—A review. Prog Polym Sci 2012. [DOI: 10.1016/j.progpolymsci.2011.11.001] [Citation(s) in RCA: 127] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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35
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Dey J, Tran RT, Shen J, Tang L, Yang J. Development and long-term in vivo evaluation of a biodegradable urethane-doped polyester elastomer. MACROMOLECULAR MATERIALS AND ENGINEERING 2011; 296:1149-1157. [PMID: 22184499 PMCID: PMC3241003 DOI: 10.1002/mame.201100074] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
We have recently reported upon the development of crosslinked urethane-doped polyester (CUPE) network elastomers, which was motivated by the desire to overcome the drawbacks presented by crosslinked network polyesters and biodegradable polyurethanes for soft tissue engineering applications. Although the effect of the isocyanate content and post-polymerization conditions on the material structure-property relationship was examined in detail, the ability of the diol component to modulate the material properties was only studied briefly. Herein, we present a detailed report on the development of CUPE polymers synthesized using diols 4, 6, 8, 10, or 12 methylene units in length in order to investigate what role the diol component plays on the resulting material's physical properties, and assess their long-term biological performance in vivo. An increase in the diol length was shown to affect the physical properties of the CUPE polymers primarily through lowered polymeric crosslinking densities and elevated material hydrophobicity. The use of longer chain diols resulted in CUPE polymers with increased molecular weights resulting in higher tensile strength and elasticity, while also increasing the material hydrophobicity to lower bulk swelling and prolong the polymer degradation rates. Although the number of methylene units largely affected the physical properties of CUPE, the choice of diol did not affect the overall polymer cell/tissue-compatibility both in vitro and in vivo. In conclusion, we have established the diol component as an important parameter in controlling the structure-property relationship of the polymer in addition to diisocyanate concentration and post-polymerization conditions. Expanding the family of CUPE polymers increases the choices of biodegradable elastomers for tissue engineering applications.
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36
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Polymers for the rapid and effective activation and aggregation of platelets. Biomaterials 2011; 32:7034-41. [DOI: 10.1016/j.biomaterials.2011.06.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2011] [Accepted: 06/02/2011] [Indexed: 11/20/2022]
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