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Sunakawa Y, Kondo M, Yamamoto Y, Inomata T, Inoue Y, Mori D, Mizuno T. Design of Cell-Adhesive Shellac Derivatives and Endowment of Photoswitchable Cell-Adhesion Properties. ACS APPLIED BIO MATERIALS 2023; 6:5493-5501. [PMID: 37978057 DOI: 10.1021/acsabm.3c00684] [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] [Indexed: 11/19/2023]
Abstract
The emergence of new biodegradable cell-adhesion materials is an attractive topic in biomaterial chemistry, particularly for the development of cell incubation scaffolds and drug encapsulation materials used in in situ regenerative therapy. Shellac is a natural resin with unique film-forming properties and high miscibility with various chemicals, in addition to being biodegradable and nontoxic to biological systems. However, since native shellac does not adhere to mammalian cells, there have been no reports of using shellac to develop cell-adhesive biomaterials. In this study, we report on the development of cell-adhesive shellac derivatives through slight chemical modification. Shellac is a mixture of oligoesters that consists of hydroxyl fatty acids and resin acids, and therefore, all oligomers have one carboxylic acid group at the terminal. We discovered that a simple modification of hydrophobic chemical groups, particularly those containing aromatic groups in the ester form, could dramatically improve cell-adhesion properties for mammalian cells. Furthermore, by using photocleavable esters containing aromatic groups, we successfully endowed photoswitchable properties in cell adhesion. Given that shellac is a low-cost, biodegradable, and nontoxic natural resin, the modified shellacs have the potential to become new and attractive biomaterials applicable to in situ regenerative therapy.
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Affiliation(s)
- Yurino Sunakawa
- Department of Life Science and Applied Chemistry, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, Aichi 466-8555, Japan
| | - Mai Kondo
- Department of Life Science and Applied Chemistry, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, Aichi 466-8555, Japan
| | - Yasushi Yamamoto
- Department of Life Science and Applied Chemistry, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, Aichi 466-8555, Japan
| | - Tomohiko Inomata
- Department of Life Science and Applied Chemistry, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, Aichi 466-8555, Japan
| | - Yasumichi Inoue
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan
| | - Daisuke Mori
- Gifu Shellac Manufacturing Co., Ltd., 1-41, Higashiuzura, Gifu-shi, Gifu 500-8618, Japan
| | - Toshihisa Mizuno
- Department of Life Science and Applied Chemistry, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, Aichi 466-8555, Japan
- Department of Nanopharmaceutical Sciences, Graduate School of Engineering, Nagoya Institute of Technology, Gokiso-cho, Showa-ku, Nagoya, Aichi 466-8555, Japan
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Díaz E, Delafuente M, Delafuente S, Ribeiro S, Lanceros-Méndez S. Cytocompatible and biodegradable poly(d,l-lactide-coglycolide)/reduced graphene oxide scaffolds. JOURNAL OF BIOMATERIALS SCIENCE. POLYMER EDITION 2023; 34:2091-2106. [PMID: 37409477 DOI: 10.1080/09205063.2023.2230840] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 06/22/2023] [Accepted: 06/26/2023] [Indexed: 07/07/2023]
Abstract
Applications of graphene in regenerative medicine have attracted the increasing attention of numerous research groups due to the specific properties that confers on biomaterials. In this paper, the degradation behavior of poly(d,l-lactide-co-glycolide (PLGA)/reduced graphene oxide (rGO) scaffolds obtained by thermally induced phase separation (TIPS) and lyophilization was studied in phosphate buffered saline (PBS) solution, at 37 °C during eight weeks. Additionally, the cytotoxicity of the different samples through the metabolic activity of L929 fibroblast cells was also addressed. Scanning electron microscopy tests show that the addition of rGO particles increases the pore size from 60 to 100 µm as well as their morphological definition. Scaffolds with 0.6 and 1% rGO concentrations lost more mass than those with lower filler content, that is, they degraded more quickly. The results obtained by differential scanning calorimetry indicate that the rGO particles restrict the movement of the macromolecular chain segments due to the formation of hydrogen bonds and electrostatic attraction. The electrical conductivity tests show that the addition of rGO leads to a rapid transition from insulating to conductive scaffolds with a percolation value of ≈ 0.5 w/w. All the different PLGA samples with different rGO content up to 1% present no cytotoxic behaviour for L929 fibroblast cells, being therefor suitable for biomedical applications.
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Affiliation(s)
- Esperanza Díaz
- Escuela de Ingeniería de Bilbao, Departamento de Ingeniería Minera, Metalúrgica y Ciencia de Materiales, Universidad del País Vasco (UPV/EHU), Portugalete, Spain
- BcMaterials, Basque Centre for Materials, Applications and Nanostructures, (UPV/EHU) Science Park, Leioa, Spain
| | - Marta Delafuente
- Escuela de Ingeniería de Bilbao, Departamento de Ingeniería Minera, Metalúrgica y Ciencia de Materiales, Universidad del País Vasco (UPV/EHU), Portugalete, Spain
| | - Sara Delafuente
- Escuela de Ingeniería de Bilbao, Departamento de Ingeniería Minera, Metalúrgica y Ciencia de Materiales, Universidad del País Vasco (UPV/EHU), Portugalete, Spain
| | - Sylvie Ribeiro
- Physics Centre of Minho and Porto Universities (CF-UM-UP), University of Minho, Braga, Portugal
- LaPMET - Laboratory of Physics for Materials and Emergent Technologies, University of Minho, Braga, Portugal
- IB-S-Institute for Research and Innovation on Bio-Sustainability, University of Minho, Braga, Portugal
| | - Senentxu Lanceros-Méndez
- Physics Centre of Minho and Porto Universities (CF-UM-UP), University of Minho, Braga, Portugal
- LaPMET - Laboratory of Physics for Materials and Emergent Technologies, University of Minho, Braga, Portugal
- IKERBASQUE, Basque Foundation for Science, Bilbao, Spain
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Cai H, Xu X, Lu X, Zhao M, Jia Q, Jiang HB, Kwon JS. Dental Materials Applied to 3D and 4D Printing Technologies: A Review. Polymers (Basel) 2023; 15:polym15102405. [PMID: 37242980 DOI: 10.3390/polym15102405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2023] [Revised: 05/09/2023] [Accepted: 05/17/2023] [Indexed: 05/28/2023] Open
Abstract
As computer-aided design and computer-aided manufacturing (CAD/CAM) technologies have matured, three-dimensional (3D) printing materials suitable for dentistry have attracted considerable research interest, owing to their high efficiency and low cost for clinical treatment. Three-dimensional printing technology, also known as additive manufacturing, has developed rapidly over the last forty years, with gradual application in various fields from industry to dental sciences. Four-dimensional (4D) printing, defined as the fabrication of complex spontaneous structures that change over time in response to external stimuli in expected ways, includes the increasingly popular bioprinting. Existing 3D printing materials have varied characteristics and scopes of application; therefore, categorization is required. This review aims to classify, summarize, and discuss dental materials for 3D printing and 4D printing from a clinical perspective. Based on these, this review describes four major materials, i.e., polymers, metals, ceramics, and biomaterials. The manufacturing process of 3D printing and 4D printing materials, their characteristics, applicable printing technologies, and clinical application scope are described in detail. Furthermore, the development of composite materials for 3D printing is the main focus of future research, as combining multiple materials can improve the materials' properties. Updates in material sciences play important roles in dentistry; hence, the emergence of newer materials are expected to promote further innovations in dentistry.
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Affiliation(s)
- HongXin Cai
- Department and Research Institute of Dental Biomaterials and Bioengineering, Yonsei University College of Dentistry, Seoul 03722, Republic of Korea
| | - Xiaotong Xu
- The CONVERSATIONALIST Club, School of Stomatology, Shandong First Medical University, Jinan 250117, China
| | - Xinyue Lu
- The CONVERSATIONALIST Club, School of Stomatology, Shandong First Medical University, Jinan 250117, China
| | - Menghua Zhao
- The CONVERSATIONALIST Club, School of Stomatology, Shandong First Medical University, Jinan 250117, China
| | - Qi Jia
- The CONVERSATIONALIST Club, School of Stomatology, Shandong First Medical University, Jinan 250117, China
| | - Heng-Bo Jiang
- The CONVERSATIONALIST Club, School of Stomatology, Shandong First Medical University, Jinan 250117, China
| | - Jae-Sung Kwon
- Department and Research Institute of Dental Biomaterials and Bioengineering, Yonsei University College of Dentistry, Seoul 03722, Republic of Korea
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Phase Equilibria and Structure Formation in the Polylactic-co-Glycolic Acid/Tetraglycol/Water Ternary System. Polymers (Basel) 2023; 15:polym15051281. [PMID: 36904522 PMCID: PMC10007394 DOI: 10.3390/polym15051281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2023] [Revised: 02/28/2023] [Accepted: 03/01/2023] [Indexed: 03/06/2023] Open
Abstract
This paper concerns a detailed study of the phase separation and structure formation processes that occur in solutions of highly hydrophobic polylactic-co-glycolic acid (PLGA) in highly hydrophilic tetraglycol (TG) upon their contact with aqueous media. In the present work, cloud point methodology, high-speed video recording, differential scanning calorimetry, and both optical and scanning electron microscopy were used to analyze the behavior of PLGA/TG mixtures differing in composition when they are immersed in water (the so-called "harsh" antisolvent) or in a nonsolvent consisting of equal amounts of water and TG (a "soft" antisolvent). The phase diagram of the ternary PLGA/TG/water system was designed and constructed for the first time. The PLGA/TG mixture composition with which the polymer undergoes glass transition at room temperature was determined. Our data enabled us to analyze in detail the structure evolution process taking place in various mixtures upon their immersion in "harsh" and "soft" antisolvent baths and gain an insight into the peculiarities of the structure formation mechanism active in the course of antisolvent-induced phase separation in PLGA/TG/water mixtures. This provides intriguing opportunities for the controlled fabrication of a wide variety of bioresorbable structures-from polyester microparticles, fibers, and membranes to scaffolds for tissue engineering.
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Fabrication and Characterization Techniques of In Vitro 3D Tissue Models. Int J Mol Sci 2023; 24:ijms24031912. [PMID: 36768239 PMCID: PMC9915354 DOI: 10.3390/ijms24031912] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2022] [Revised: 12/30/2022] [Accepted: 01/01/2023] [Indexed: 01/21/2023] Open
Abstract
The culturing of cells in the laboratory under controlled conditions has always been crucial for the advancement of scientific research. Cell-based assays have played an important role in providing simple, fast, accurate, and cost-effective methods in drug discovery, disease modeling, and tissue engineering while mitigating reliance on cost-intensive and ethically challenging animal studies. The techniques involved in culturing cells are critical as results are based on cellular response to drugs, cellular cues, external stimuli, and human physiology. In order to establish in vitro cultures, cells are either isolated from normal or diseased tissue and allowed to grow in two or three dimensions. Two-dimensional (2D) cell culture methods involve the proliferation of cells on flat rigid surfaces resulting in a monolayer culture, while in three-dimensional (3D) cell cultures, the additional dimension provides a more accurate representation of the tissue milieu. In this review, we discuss the various methods involved in the development of 3D cell culture systems emphasizing the differences between 2D and 3D systems and methods involved in the recapitulation of the organ-specific 3D microenvironment. In addition, we discuss the latest developments in 3D tissue model fabrication techniques, microfluidics-based organ-on-a-chip, and imaging as a characterization technique for 3D tissue models.
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Nedorubova IA, Mokrousova VO, Khvorostina MA, Popov VK, Bukharova TB, Kulakov AA. [Development of osteoplastic gene-activated 3D matrices based on adenoviral vectors]. STOMATOLOGIIA 2023; 102:8-14. [PMID: 38096388 DOI: 10.17116/stomat20231020628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
Gene therapy is one of the most promising approaches in regenerative medicine for the restoration of extensive bone defects in dentistry and maxillofacial surgery. Matrices obtained using three-dimensional printing from bioresorbable polymers, impregnated with adenoviral constructs with genes for osteoinductive factors, can ensure safe and effective formation of bone tissue. OBJECTIVE To study the properties of three-dimensional matrices based on polylactic-co-glycolic acid and adenoviral constructs with the GFP gene in vitro. MATERIALS AND METHODS The matrices were obtained by antisolvent three-dimensional printing. Transduction efficiency was assessed by fluorescence microscopy and flow cytometry. The cytocompatibility of the matrices was assessed by the MTT test and by staining cells with fluorescent dyes. RESULTS Matrices based on polylactic-co-glycolic acid have high cytocompatibility on adipose tissue-derived mesenchymal stem cells. Impregnation of adenoviral vectors with the green fluorescent protein gene in 3D matrices ensures the release of viral particles within a week, maintaining their high transducing ability. CONCLUSION The developed method for obtaining gene-activated matrices can serve as the basis for the creation of effective osteoplastic materials for bone regeneration.
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Affiliation(s)
- I A Nedorubova
- Research Centre for Medical Genetics, Moscow, Russia
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia
| | - V O Mokrousova
- Research Centre for Medical Genetics, Moscow, Russia
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia
| | - M A Khvorostina
- Research Centre for Medical Genetics, Moscow, Russia
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia
- Crystallography and Photonics, Moscow, Russia
| | - V K Popov
- Crystallography and Photonics, Moscow, Russia
| | - T B Bukharova
- Research Centre for Medical Genetics, Moscow, Russia
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia
| | - A A Kulakov
- Central Research Institute of Dentistry and Maxillofacial Surgery, Moscow, Russia
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Fuxiang S, Na W, Qiangqiang Z, Jie W, Bin L. 3D printing calcium alginate adsorbents for highly efficient recovery of U(VI) in acidic conditions. JOURNAL OF HAZARDOUS MATERIALS 2022; 440:129774. [PMID: 35988488 DOI: 10.1016/j.jhazmat.2022.129774] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2022] [Revised: 08/10/2022] [Accepted: 08/11/2022] [Indexed: 06/15/2023]
Abstract
In this study, a three-dimensional (3D) porous calcium alginate (3D CA) scaffold was successfully constructed using a direct-ink-writing-based 3D printing method combined with an in-situ calcium ion cross-linking procedure. The 3D CA contained orderly aligned microstructures with excellent structural robustness and an abundant number of active binding sites. The adsorption experiments verified that 3D CA had a considerably wide pH value (3-10) serving range, but also delivered a significantly higher adsorption capacity for U(VI) (117.3 mg/g at pH = 2.5) under acidic conditions, compared to other previously reported alginate-based porous adsorbents. The adsorption mechanisms originated from the synergistic effect of electrostatic interactions and ion exchange. The 3D CA eluted the adsorbed U(VI) in a strong acid solution through protonation mechanism, facilitating the continued enrichment and recycling of U(VI). In addition, the 3D CA demonstrated good microstructure stability and absorption capacity stability when it was immersed in hydrochloric acid solutions at different concentrations (3.6 × 10-3 to 2 mol/L) for 24 h. Therefore, the 3D CA could be used for the removal and recycling of U(VI) from acidic solutions beyond its wide pH working range, due to its stronger acid stability and higher U(VI) adsorption capacity.
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Affiliation(s)
- Song Fuxiang
- School/Hospital of Stomatology, Lanzhou University, Lanzhou 730000, PR China; Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, School of Stomatology, Lanzhou University, Lanzhou 730000, PR China
| | - Wang Na
- School/Hospital of Stomatology, Lanzhou University, Lanzhou 730000, PR China; Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, School of Stomatology, Lanzhou University, Lanzhou 730000, PR China
| | - Zhang Qiangqiang
- College of Civil Engineering and Mechanics, Lanzhou University, Lanzhou 730000, PR China; Key Laboratory of Mechanics on Disaster and Environment in Western China (Lanzhou University), The Ministry of Education of China, Lanzhou 730000, PR China.
| | - Weibo Jie
- School/Hospital of Stomatology, Lanzhou University, Lanzhou 730000, PR China
| | - Liu Bin
- School/Hospital of Stomatology, Lanzhou University, Lanzhou 730000, PR China; Key Laboratory of Dental Maxillofacial Reconstruction and Biological Intelligence Manufacturing, School of Stomatology, Lanzhou University, Lanzhou 730000, PR China.
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Mirzaali MJ, Moosabeiki V, Rajaai SM, Zhou J, Zadpoor AA. Additive Manufacturing of Biomaterials-Design Principles and Their Implementation. MATERIALS (BASEL, SWITZERLAND) 2022; 15:ma15155457. [PMID: 35955393 PMCID: PMC9369548 DOI: 10.3390/ma15155457] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 07/25/2022] [Accepted: 07/28/2022] [Indexed: 05/04/2023]
Abstract
Additive manufacturing (AM, also known as 3D printing) is an advanced manufacturing technique that has enabled progress in the design and fabrication of customised or patient-specific (meta-)biomaterials and biomedical devices (e.g., implants, prosthetics, and orthotics) with complex internal microstructures and tuneable properties. In the past few decades, several design guidelines have been proposed for creating porous lattice structures, particularly for biomedical applications. Meanwhile, the capabilities of AM to fabricate a wide range of biomaterials, including metals and their alloys, polymers, and ceramics, have been exploited, offering unprecedented benefits to medical professionals and patients alike. In this review article, we provide an overview of the design principles that have been developed and used for the AM of biomaterials as well as those dealing with three major categories of biomaterials, i.e., metals (and their alloys), polymers, and ceramics. The design strategies can be categorised as: library-based design, topology optimisation, bio-inspired design, and meta-biomaterials. Recent developments related to the biomedical applications and fabrication methods of AM aimed at enhancing the quality of final 3D-printed biomaterials and improving their physical, mechanical, and biological characteristics are also highlighted. Finally, examples of 3D-printed biomaterials with tuned properties and functionalities are presented.
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Jain P, Kathuria H, Dubey N. Advances in 3D bioprinting of tissues/organs for regenerative medicine and in-vitro models. Biomaterials 2022; 287:121639. [PMID: 35779481 DOI: 10.1016/j.biomaterials.2022.121639] [Citation(s) in RCA: 57] [Impact Index Per Article: 28.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 06/05/2022] [Accepted: 06/14/2022] [Indexed: 11/24/2022]
Abstract
Tissue/organ shortage is a major medical challenge due to donor scarcity and patient immune rejections. Furthermore, it is difficult to predict or mimic the human disease condition in animal models during preclinical studies because disease phenotype differs between humans and animals. Three-dimensional bioprinting (3DBP) is evolving into an unparalleled multidisciplinary technology for engineering three-dimensional (3D) biological tissue with complex architecture and composition. The technology has emerged as a key driver by precise deposition and assembly of biomaterials with patient's/donor cells. This advancement has aided in the successful fabrication of in vitro models, preclinical implants, and tissue/organs-like structures. Here, we critically reviewed the current state of 3D-bioprinting strategies for regenerative therapy in eight organ systems, including nervous, cardiovascular, skeletal, integumentary, endocrine and exocrine, gastrointestinal, respiratory, and urinary systems. We also focus on the application of 3D bioprinting to fabricated in vitro models to study cancer, infection, drug testing, and safety assessment. The concept of in situ 3D bioprinting is discussed, which is the direct printing of tissues at the injury or defect site for reparative and regenerative therapy. Finally, issues such as scalability, immune response, and regulatory approval are discussed, as well as recently developed tools and technologies such as four-dimensional and convergence bioprinting. In addition, information about clinical trials using 3D printing has been included.
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Affiliation(s)
- Pooja Jain
- Department of Pharmaceutics, SVKM's Dr. Bhanuben Nanavati College of Pharmacy, Mumbai, Maharashtra, India; Faculty of Dentistry, National University of Singapore, Singapore
| | - Himanshu Kathuria
- Department of Pharmacy, National University of Singapore, 117543, Singapore; Nusmetic Pte Ltd, Makerspace, I4 Building, 3 Research Link Singapore, 117602, Singapore.
| | - Nileshkumar Dubey
- Faculty of Dentistry, National University of Singapore, Singapore; ORCHIDS: Oral Care Health Innovations and Designs Singapore, National University of Singapore, Singapore.
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Shao L, Shen S, Liu H. Recent advances in PLGA micro/nanoparticle delivery systems as novel therapeutic approach for drug-resistant tuberculosis. Front Bioeng Biotechnol 2022; 10:941077. [PMID: 35935487 PMCID: PMC9355142 DOI: 10.3389/fbioe.2022.941077] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 06/29/2022] [Indexed: 12/01/2022] Open
Abstract
Tuberculosis is a severe infectious disease caused by Mycobacterium tuberculosis and is a significant public health concern globally. The World Health Organization (WHO) recommends a combination regimen of several drugs, such as rifampicin (RIF), isoniazid (INH), pyrazinamide (PZA), and ethambutol (ETB), to treat tuberculosis. However, these drugs have low plasma concentrations after oral administration and require multiple high doses, which may lead to the occurrence and development of drug-resistant tuberculosis. Micro/Nanotechnology drug delivery systems have considerable potential in treating drug-resistant tuberculosis, allowing the sustained release of the drug and delivery of the drug to a specific target. These system properties could improve drug bioavailability, reduce the dose and frequency of administration, and solve the problem of non-adherence to the prescribed therapy. This study systematically reviewed the recent advances in PLGA micro/nanoparticle delivery systems as a novel therapeutic approach for drug-resistant tuberculosis.
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Kalirajan C, Dukle A, Nathanael AJ, Oh TH, Manivasagam G. A Critical Review on Polymeric Biomaterials for Biomedical Applications. Polymers (Basel) 2021; 13:3015. [PMID: 34503054 PMCID: PMC8433665 DOI: 10.3390/polym13173015] [Citation(s) in RCA: 34] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2021] [Revised: 09/01/2021] [Accepted: 09/02/2021] [Indexed: 12/18/2022] Open
Abstract
Natural and synthetic polymers have been explored for many years in the field of tissue engineering and regeneration. Researchers have developed many new strategies to design successful advanced polymeric biomaterials. In this review, we summarized the recent notable advancements in the preparation of smart polymeric biomaterials with self-healing and shape memory properties. We also discussed novel approaches used to develop different forms of polymeric biomaterials such as films, hydrogels and 3D printable biomaterials. In each part, the applications of the biomaterials in soft and hard tissue engineering with their in vitro and in vivo effects are underlined. The future direction of the polymeric biomaterials that could pave a path towards successful clinical implications is also underlined in this review.
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Affiliation(s)
- Cheirmadurai Kalirajan
- Centre for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India; (C.K.); (A.D.); (G.M.)
| | - Amey Dukle
- Centre for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India; (C.K.); (A.D.); (G.M.)
| | - Arputharaj Joseph Nathanael
- Centre for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India; (C.K.); (A.D.); (G.M.)
| | - Tae-Hwan Oh
- School of Chemical Engineering, Yeungnam University, Gyeongsan 38541, Korea
| | - Geetha Manivasagam
- Centre for Biomaterials, Cellular and Molecular Theranostics (CBCMT), Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India; (C.K.); (A.D.); (G.M.)
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12
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Natarajan ABMT, Sivadas VPD, Nair PDPD. 3D-printed biphasic scaffolds for the simultaneous regeneration of osteochondral tissues. Biomed Mater 2021; 16. [PMID: 34265754 DOI: 10.1088/1748-605x/ac14cb] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2021] [Accepted: 07/15/2021] [Indexed: 12/19/2022]
Abstract
Osteochondral tissue engineering (OCTE) involves the simulation of highly complex tissues with disparate biomechanical properties. OCTE is regarded as the best option for treating osteochondral defects, most of the drawbacks of current treatment methodologies can be addressed by this method. In recent years, the conventional scaffolds used in cartilage and bone regeneration are gradually being replaced by 3D printed scaffolds (3DP). In the present study, we devised the strategy of 3D printing for fabricating biphasic and integrated scaffolds that are loaded with bioactive factors for enhancing the osteochondral tissue regeneration. Polycaprolactone (PCL) and poly(lactic-co-glycolic acid) (PLGA), is used along with bioactive factors (chondroitin sulphate and beta-tricalcium phosphate (βTCP)) for the upper cartilage and lower bone layer respectively. The 3D printed bi-layered scaffolds with varying infill density, to mimic the native tissue, are not previously explored for OCTE. Hence, we tested the simultaneous osteochondrogenic differentiation inducing potential of the aforesaid 3D printed biphasic scaffoldsin vitro, using rabbit adipose derived mesenchymal stem cells (ADMSCs). Further, the biphasic scaffolds were highly cytocompatible, with excellent cell adhesion properties and cellular morphology. Most importantly, these biphasic scaffolds directed the simultaneous differentiation of a single stem cell population in to two cell lineages (simultaneous differentiation of rabbit ADMSCs into chondrocytes and osteoblasts). Further, these scaffolds enhanced the production of ECM and induced robust expression of marker genes that is specific for respective cartilage and bone layers. The 3D printed OCTE scaffold of our study hence can simulate the native osteochondral unit and could be potential futuristic biomimetic scaffold for osteochondral defects. Furtherin vivostudies are warranted.
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Affiliation(s)
- Amrita Bds MTech Natarajan
- Division of Tissue Engineering and Regeneration Technologies, Department of Applied Biology, Biomedical Technology Wing, Sree Chitra Tirunal Institute of Medical Sciences and Technology, Thiruvananthapuram, Kerala 695012, India
| | - Vp Ph D Sivadas
- Division of Tissue Engineering and Regeneration Technologies, Department of Applied Biology, Biomedical Technology Wing, Sree Chitra Tirunal Institute of Medical Sciences and Technology, Thiruvananthapuram, Kerala 695012, India
| | - Prabha D Ph D Nair
- Division of Tissue Engineering and Regeneration Technologies, Department of Applied Biology, Biomedical Technology Wing, Sree Chitra Tirunal Institute of Medical Sciences and Technology, Thiruvananthapuram, Kerala 695012, India
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13
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Bayart M, Charlon S, Soulestin J. Fused filament fabrication of scaffolds for tissue engineering; how realistic is shape-memory? A review. POLYMER 2021. [DOI: 10.1016/j.polymer.2021.123440] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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Später T, Mariyanats AO, Syachina MA, Mironov AV, Savelyev AG, Sochilina AV, Menger MD, Vishnyakova PA, Kananykhina EY, Fatkhudinov TK, Sukhikh GT, Spitkovsky DD, Katsen-Globa A, Laschke MW, Popov VK. In Vitro and in Vivo Analysis of Adhesive, Anti-Inflammatory, and Proangiogenic Properties of Novel 3D Printed Hyaluronic Acid Glycidyl Methacrylate Hydrogel Scaffolds for Tissue Engineering. ACS Biomater Sci Eng 2020; 6:5744-5757. [PMID: 33320574 DOI: 10.1021/acsbiomaterials.0c00741] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
In this study, we prepared hydrogel scaffolds for tissue engineering by computer-assisted extrusion three-dimensional (3D) printing with photocured (λ = 445 nm) hyaluronic acid glycidyl methacrylate (HAGM). The developed product was compared with the polylactic-co-glycolic acid (PLGA) scaffolds generated by means of the original antisolvent 3D printing methodology. The cytotoxicity and cytocompatibility of the scaffolds were analyzed in vitro by 3-(4,5-dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide tests, flow cytometry, and scanning electron microscopy. Anti-inflammatory and proangiogenic properties of the scaffolds were evaluated in the dorsal skinfold chamber mouse model by means of intravital fluorescence microscopy, histology, and immunohistochemistry throughout an observation period of 14 days. In vitro, none of the scaffolds revealed cytotoxicity on days 1, 2, and 5 after seeding with umbilical cord-derived multipotent stromal cells, and the primary cell adhesion to the surface of HAGM scaffolds was low. In vivo, implanted HAGM scaffolds showed enhanced vascularization and host tissue ingrowth, and the inflammatory response to them was less pronounced compared with PLGA scaffolds. The results indicate excellent biocompatibility and vascularization capacity of the developed 3D printed HAGM scaffolds and position them as strong candidates for advanced tissue engineering applications.
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Affiliation(s)
- Thomas Später
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg/Saar, Germany
| | - Aleksandra O Mariyanats
- Institute of Photon Technologies of Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, 108840 Moscow, Russia
| | - Maria A Syachina
- Institute of Photon Technologies of Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, 108840 Moscow, Russia
| | - Anton V Mironov
- Institute of Photon Technologies of Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, 108840 Moscow, Russia
| | - Alexander G Savelyev
- Institute of Photon Technologies of Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, 108840 Moscow, Russia.,Sechenov First Moscow State Medical University, 119991 Moscow, Russia
| | - Anastasia V Sochilina
- Institute of Photon Technologies of Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, 108840 Moscow, Russia.,Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry of the Russian Academy of Sciences, 117997 Moscow, Russia
| | - Michael D Menger
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg/Saar, Germany
| | - Polina A Vishnyakova
- Kulakov Scientific Center for Obstetrics, Gynecology and Perinatology of Ministry of Health of the Russian Federation, 117198 Moscow, Russia
| | | | | | - Gennady T Sukhikh
- Kulakov Scientific Center for Obstetrics, Gynecology and Perinatology of Ministry of Health of the Russian Federation, 117198 Moscow, Russia
| | - Dmitry D Spitkovsky
- Kulakov Scientific Center for Obstetrics, Gynecology and Perinatology of Ministry of Health of the Russian Federation, 117198 Moscow, Russia
| | - Alisa Katsen-Globa
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg/Saar, Germany
| | - Matthias W Laschke
- Institute for Clinical & Experimental Surgery, Saarland University, 66421 Homburg/Saar, Germany
| | - Vladimir K Popov
- Institute of Photon Technologies of Federal Scientific Research Centre "Crystallography and Photonics" of Russian Academy of Sciences, 108840 Moscow, Russia
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15
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Abdul-Al M, Zaernia A, Sefat F. Biomaterials for breast reconstruction: Promises, advances, and challenges. J Tissue Eng Regen Med 2020; 14:1549-1569. [PMID: 32841503 DOI: 10.1002/term.3121] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2020] [Revised: 07/31/2020] [Accepted: 08/05/2020] [Indexed: 12/23/2022]
Abstract
Breast reconstruction is the opportunity that provides the chance of having breast after undergoing surgical removal of the breast tissue due to cancer-related surgery. However, this varies on the stage of the cancer diagnosis and the procedure undertaken. There are many regenerative medicine methods that provide several initiatives and direct solutions to problems such as the development of "bioactive tissue," which can regenerate adipose tissues with similar normal functions and structures. There have been several studies which have previously explored for the improvement of breast reconstruction including different variations of biomaterials, different fabrication and processing techniques, cells as well as growth factors which enable bioengineers and tissue engineers to reconstruct a suitable breast for patients with breast cancer. Many factors such as shape, proper volume, mechanical properties have been studies but very scattered with not adequate solution for existing patients worldwide. This review article aims to cover recent advances in the biomaterials, which can be used for reconstruction of breasts as well as looking at the various factors that might lead to individuals needing reconstruction and the materials that are available. The focus would be to look at the various biomaterials that are available to use for reconstruction, their properties, and their structural integrity.
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Affiliation(s)
- Mohamed Abdul-Al
- Department of Biomedical and Electronics Engineering, School of Engineering, University of Bradford, Bradford, UK
| | - Amir Zaernia
- Department of Biomedical and Electronics Engineering, School of Engineering, University of Bradford, Bradford, UK
| | - Farshid Sefat
- Department of Biomedical and Electronics Engineering, School of Engineering, University of Bradford, Bradford, UK.,Interdisciplinary Research Centre in Polymer Science & Technology (Polymer IRC), University of Bradford, Bradford, UK
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16
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Javaid M, Haleem A. 3D printed tissue and organ using additive manufacturing: An overview. CLINICAL EPIDEMIOLOGY AND GLOBAL HEALTH 2020. [DOI: 10.1016/j.cegh.2019.12.008] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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17
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Three-Dimensional-Printed Poly-L-Lactic Acid Scaffolds with Different Pore Sizes Influence Periosteal Distraction Osteogenesis of a Rabbit Skull. BIOMED RESEARCH INTERNATIONAL 2020; 2020:7381391. [PMID: 32382570 PMCID: PMC7196141 DOI: 10.1155/2020/7381391] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/23/2019] [Revised: 02/29/2020] [Accepted: 03/17/2020] [Indexed: 12/25/2022]
Abstract
The repair of bone defects is a big challenge in reconstructive surgery. Periosteal distraction osteogenesis (PDO), as a promising technique used for bone regeneration, forms a space between the periosteum and bone cortex to regenerate the new bone merely by distracting the periosteum. In order to investigate the influence of distractor framework on the PDO, we utilized three-dimensional (3D) printing technology to fabricate three kinds of poly-L-lactic acid (PLLA) scaffolds with different pore sizes in this study. The in vitro experiments showed that the customized PLLA scaffolds had different-sized microchannels with low toxicity, good biocompatibility, and enough mechanical strength. Then, we built up an in vivo bioreactor under the skull periosteum of New Zealand white rabbits. The distractors with different pore sizes all could satisfy the demand of periosteal distraction in the animal experiments. After 8 weeks of consolidation period, the quality and quantity of the newly formed bone were improved with the increasing pore sizes of the distractors. Moreover, the newly formed bone also displayed an increasing degree of vascularization. In conclusion, 3D printing technology could promote the innovation of PDO devices and fabricate optimized scaffolds with appropriate pore sizes, shapes, and structures. It would help us regenerate more functional tissue-engineered bone and provide new ideas for further clinical application of the PDO technique.
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18
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Jeong HJ, Nam H, Jang J, Lee SJ. 3D Bioprinting Strategies for the Regeneration of Functional Tubular Tissues and Organs. Bioengineering (Basel) 2020; 7:E32. [PMID: 32244491 PMCID: PMC7357036 DOI: 10.3390/bioengineering7020032] [Citation(s) in RCA: 60] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/29/2020] [Revised: 03/30/2020] [Accepted: 03/30/2020] [Indexed: 01/01/2023] Open
Abstract
It is difficult to fabricate tubular-shaped tissues and organs (e.g., trachea, blood vessel, and esophagus tissue) with traditional biofabrication techniques (e.g., electrospinning, cell-sheet engineering, and mold-casting) because these have complicated multiple processes. In addition, the tubular-shaped tissues and organs have their own design with target-specific mechanical and biological properties. Therefore, the customized geometrical and physiological environment is required as one of the most critical factors for functional tissue regeneration. 3D bioprinting technology has been receiving attention for the fabrication of patient-tailored and complex-shaped free-form architecture with high reproducibility and versatility. Printable biocomposite inks that can facilitate to build tissue constructs with polymeric frameworks and biochemical microenvironmental cues are also being actively developed for the reconstruction of functional tissue. In this review, we delineated the state-of-the-art of 3D bioprinting techniques specifically for tubular tissue and organ regeneration. In addition, this review described biocomposite inks, such as natural and synthetic polymers. Several described engineering approaches using 3D bioprinting techniques and biocomposite inks may offer beneficial characteristics for the physiological mimicry of human tubular tissues and organs.
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Affiliation(s)
- Hun-Jin Jeong
- Department of Mechanical Engineering, Wonkwang University, 460, Iksan-daero, Iksan-si, Jeollabuk-do 54538, Korea;
| | - Hyoryung Nam
- Department of Creative IT Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk 37673, Korea;
| | - Jinah Jang
- Department of Creative IT Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk 37673, Korea;
- School of Interdisciplinary Bioscience and Bioengineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk 37673, Korea
- Department of Mechanical Engineering, Pohang University of Science and Technology, 77 Cheongam-Ro, Nam-Gu, Pohang, Gyeongbuk 37673, Korea
- Institute of Convergence Science, Yonsei University, 50, Yonsei-ro, Seodaemun-gu, Seoul 03722, Korea
| | - Seung-Jae Lee
- Department of Mechanical Engineering, Wonkwang University, 460, Iksan-daero, Iksan-si, Jeollabuk-do 54538, Korea;
- Department of Mechanical and Design Engineering, Wonkwang University, 460, Iksan-daero, Iksan-si, Jeollabuk-do 54538, Korea
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Abstract
Silk is a natural polymer sourced mainly from spiders and silkworms. Due to its biocompatibility, biodegradability, and mechanical properties, it has been heavily investigated for biomedical applications. It can be processed into a number of formats, such as scaffolds, films, and nanoparticles. Common methods of production create constructs with limited complexity. 3D printing allows silk to be printed into more intricate designs, increasing its potential applications. Extrusion and inkjet printing are the primary ways silk has been 3D printed, though other methods are beginning to be investigated. Silk has been integrated into bioink with other polymers, both natural and synthetic. The addition of silk is primarily done to offer more desirable viscosity characteristics and mechanical properties for printing. Silk-based bioinks have been used to fabricate medical devices and tissues. This article discusses recent research and printing parameters important for 3D printing with silk.
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Affiliation(s)
- Megan K DeBari
- Material Science and Engineering Department, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Mia N Keyser
- Biomedical Engineering Department, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Michelle A Bai
- Biomedical Engineering Department, Carnegie Mellon University, Pittsburgh, PA, USA
| | - Rosalyn D Abbott
- Biomedical Engineering Department, Carnegie Mellon University, Pittsburgh, PA, USA
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20
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Naseri E, Butler H, MacNevin W, Ahmed M, Ahmadi A. Low-temperature solvent-based 3D printing of PLGA: a parametric printability study. Drug Dev Ind Pharm 2020; 46:173-178. [DOI: 10.1080/03639045.2019.1711389] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
- Emad Naseri
- Faculty of Sustainable Design Engineering, University of Prince Edward Island, Charlottetown, Canada
| | - Haley Butler
- Faculty of Sustainable Design Engineering, University of Prince Edward Island, Charlottetown, Canada
| | - Wyatt MacNevin
- Faculty of Sustainable Design Engineering, University of Prince Edward Island, Charlottetown, Canada
| | - Marya Ahmed
- Faculty of Sustainable Design Engineering, University of Prince Edward Island, Charlottetown, Canada
| | - Ali Ahmadi
- Faculty of Sustainable Design Engineering, University of Prince Edward Island, Charlottetown, Canada
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21
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da Silva Morais A, Oliveira JM, Reis RL. Biomaterials and Microfluidics for Liver Models. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1230:65-86. [DOI: 10.1007/978-3-030-36588-2_5] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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22
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Mironov AV, Mironova OA, Syachina MA, Popov VK. 3D printing of polylactic-co-glycolic acid fiber scaffolds using an antisolvent phase separation process. POLYMER 2019. [DOI: 10.1016/j.polymer.2019.121845] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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23
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Xing Y, Shi S, Zhang Y, Liu F, Zhu L, Shi B, Wang J. Construction of engineered myocardial tissues in vitro with cardiomyocyte‑like cells and a polylactic‑co‑glycolic acid polymer. Mol Med Rep 2019; 20:2403-2409. [PMID: 31257537 DOI: 10.3892/mmr.2019.10434] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2018] [Accepted: 02/28/2019] [Indexed: 11/05/2022] Open
Abstract
The aim of the present study was to explore the feasibility of the construction of engineered myocardial tissues in vitro with cardiomyocyte‑like cells derived from bone marrow mesenchymal stem cells (BMMSCs) and a polylactic‑co‑glycolic acid (PLGA) polymer. The PLGA polymer was sheared into square pieces (10x10x1 mm), sterilized by Co60 irradiation, and hydrated in Dulbecco's modified Eagle's medium for 1 h. BMMSCs were isolated from the bone marrow of Sprague‑Dawley rats and the third passage cells were induced by 5‑azacytidine (5‑aza). Following successful induction, the cells were trypsinized and suspended at a density of 1x109/ml. Then, the cell suspension was added to the PLGA scaffold and cultured for 14 days. The morphological changes of BMMSCs were observed using phase contrast microscopy. Immunofluorescence staining was used to identify the cardiomyocyte‑like cells. Hematoxylin and eosin (H&E) and immunohistochemical staining were used to observe the morphology of the engineered myocardial tissues. The cell adhesion rates and scanning electron microscopy were used to observe the compatibility of the cardiomyocyte‑like cells and PLGA. Transmission electron microscopy was used to view the ultrastructure of the engineered myocardial tissues. BMMSCs in primary culture presented round or short spindle cell morphologies. Following induction by 5‑aza, the cells exhibited a long spindle shape and a parallel arrangement. Analysis of the cell adhesion rates demonstrated that the majority of the cardiomyocyte‑like cells had adhered to the PLGA scaffolds at 24 h. H&E staining suggested that the cardiomyocyte‑like cells with spindle nuclei were evenly distributed in the PLGA scaffold. Immunofluorescence staining revealed that the cardiomyocyte‑like cells were positive for cardiac troponin I. Scanning electron microscopy demonstrated that the inoculated cells were well attached to the PLGA scaffold. Transmission electron microscopy indicated that the engineered myocardial tissues contained well‑arranged myofilaments, desmosomes, gap junction and Z line‑like structures. The present study successfully constructed engineered myocardial tissues in vitro with a PLGA polymer and cardiomyocyte‑like cells derived from BMMSCs, which are likely to share various structural similarities with the original heart tissue.
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Affiliation(s)
- Yujie Xing
- First Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
| | - Shuang Shi
- First Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
| | - Yong Zhang
- First Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
| | - Fuqiang Liu
- First Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
| | - Ling Zhu
- First Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
| | - Binya Shi
- Medical Affairs Department, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
| | - Junkui Wang
- First Department of Cardiology, Shaanxi Provincial People's Hospital, Xi'an, Shaanxi 710068, P.R. China
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Yuan H, Xing K. A Systematic Study on Design Initiation of Conceptual 3DPVS. Biomimetics (Basel) 2019; 4:biomimetics4020031. [PMID: 31105216 PMCID: PMC6630363 DOI: 10.3390/biomimetics4020031] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 04/09/2019] [Accepted: 04/09/2019] [Indexed: 11/21/2022] Open
Abstract
An important product in biomedical and biomimetic engineering is the 3D scaffold, which mimics the real tissue in vitro to achieve the external cultivation of cells. The difference between the 3D scaffold and other biomimetic products lies in the fact that the former mimics the internal features of tissue, while the latter generally approximates the external traits of biological beings. In the field of scaffold engineering, the 3D printed vibratory scaffold, 3DPVS, has been proposed as a present-to-future novel scaffold product, and it currently stays at the stage of conceptual development. To achieve the novel design of the conceptual 3DPVS, a conceptual design process has been established by authors in their previous work, which contain three main stages, namely the design initiation, concept generation, and concept evaluation. In terms of design initiation, it is a ‘must-accomplish’ stage which generates outputs for both the subsequent concept generation and evaluation. Work of design initiation therefore is of significant value and it consists of several tasks; that is, conducting a thorough literature review, summarizing the fundamental issues preparing the general conceptual design, studying the multi-characterization of the 3DPVS, putting forward the potential base model(s), as well as indicating the ideality of the scaffold and establishing potential ideal model(s) for the 3DPVS. In this paper, design initiation will be chiefly focused upon these essential aspects to be discussed, work of which is expected to be useful in establishing a solid ground for future innovation work of the 3DPVS.
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Affiliation(s)
- Haobo Yuan
- School of Engineering, University of South Australia; Mawson Lakes Blvd, Salisbury 5095, Australia.
| | - Ke Xing
- School of Engineering, University of South Australia; Mawson Lakes Blvd, Salisbury 5095, Australia.
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Qasim M, Haq F, Kang MH, Kim JH. 3D printing approaches for cardiac tissue engineering and role of immune modulation in tissue regeneration. Int J Nanomedicine 2019; 14:1311-1333. [PMID: 30863063 PMCID: PMC6388753 DOI: 10.2147/ijn.s189587] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Conventional tissue engineering, cell therapy, and current medical approaches were shown to be successful in reducing mortality rate and complications caused by cardiovascular diseases (CVDs). But still they have many limitations to fully manage CVDs due to complex composition of native myocardium and microvascularization. Fabrication of fully functional construct to replace infarcted area or regeneration of progenitor cells is important to address CVDs burden. Three-dimensional (3D) printed scaffolds and 3D bioprinting technique have potential to develop fully functional heart construct that can integrate with native tissues rapidly. In this review, we presented an overview of 3D printed approaches for cardiac tissue engineering, and advances in 3D bioprinting of cardiac construct and models. We also discussed role of immune modulation to promote tissue regeneration.
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Affiliation(s)
- Muhammad Qasim
- Department of Stem Cell and Regenerative Biotechnology, Humanized Pig Research Centre (SRC), Konkuk University, Seoul, South Korea,
| | - Farhan Haq
- Department of Biosciences, Comsats University, Islamabad, Pakistan
| | - Min-Hee Kang
- Department of Stem Cell and Regenerative Biotechnology, Humanized Pig Research Centre (SRC), Konkuk University, Seoul, South Korea,
| | - Jin-Hoi Kim
- Department of Stem Cell and Regenerative Biotechnology, Humanized Pig Research Centre (SRC), Konkuk University, Seoul, South Korea,
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26
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Navarro-Tableros V, Gomez Y, Brizzi MF, Camussi G. Generation of Human Stem Cell-Derived Pancreatic Organoids (POs) for Regenerative Medicine. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2019; 1212:179-220. [PMID: 31025308 DOI: 10.1007/5584_2019_340] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Insulin-dependent diabetes mellitus or type 1 diabetes mellitus (T1DM) is an auto-immune condition characterized by the loss of pancreatic β-cells. The curative approach for highly selected patients is the pancreas or the pancreatic islet transplantation. Nevertheless, these options are limited by a growing shortage of donor organs and by the requirement of immunosuppression.Xenotransplantation of porcine islets has been extensively investigated. Nevertheless, the strong xenoimmunity and the risk of transmission of porcine endogenous retroviruses, have limited their application in clinic. Generation of β-like cells from stem cells is one of the most promising strategies in regenerative medicine. Embryonic, and more recently, adult stem cells are currently the most promising cell sources exploited to generate functional β-cells in vitro. A number of studies demonstrated that stem cells could generate functional pancreatic organoids (POs), able to restore normoglycemia when implanted in different preclinical diabetic models. Nevertheless, a gradual loss of function and cell dead are commonly detected when POs are transplanted in immunocompetent animals. So far, the main issue to be solved is the post-transplanted islet loss, due to the host immune attack. To avoid this hurdle, nanotechnology has provided a number of polymers currently under investigation for islet micro and macro-encapsulation. These new approaches, besides conferring PO immune protection, are able to supply oxygen and nutrients and to preserve PO morphology and long-term viability.Herein, we summarize the current knowledge on bioengineered POs and the stem cell differentiation platforms. We also discuss the in vitro strategies used to generate functional POs, and the protocols currently used to confer immune-protection against the host immune attack (micro- and macro-encapsulation). In addition, the most relevant ongoing clinical trials, and the most relevant hurdles met to move towards clinical application are revised.
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Affiliation(s)
- Victor Navarro-Tableros
- 2i3T Società per la gestione dell'incubatore di imprese e per il trasferimento tecnologico Scarl, University of Turin, Turin, Italy
| | - Yonathan Gomez
- Department of Medical Sciences, University of Turin, Turin, Italy
| | | | - Giovanni Camussi
- Department of Medical Sciences, University of Turin, Turin, Italy.
- Fondazione per la Ricerca Biomedica-ONLUS, Turin, Italy.
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27
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Salg GA, Giese NA, Schenk M, Hüttner FJ, Felix K, Probst P, Diener MK, Hackert T, Kenngott HG. The emerging field of pancreatic tissue engineering: A systematic review and evidence map of scaffold materials and scaffolding techniques for insulin-secreting cells. J Tissue Eng 2019; 10:2041731419884708. [PMID: 31700597 PMCID: PMC6823987 DOI: 10.1177/2041731419884708] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Accepted: 10/04/2019] [Indexed: 12/18/2022] Open
Abstract
A bioartificial endocrine pancreas is proposed as a future alternative to current treatment options. Patients with insulin-secretion deficiency might benefit. This is the first systematic review that provides an overview of scaffold materials and techniques for insulin-secreting cells or cells to be differentiated into insulin-secreting cells. An electronic literature survey was conducted in PubMed/MEDLINE and Web of Science, limited to the past 10 years. A total of 197 articles investigating 60 different materials met the inclusion criteria. The extracted data on materials, cell types, study design, and transplantation sites were plotted into two evidence gap maps. Integral parts of the tissue engineering network such as fabrication technique, extracellular matrix, vascularization, immunoprotection, suitable transplantation sites, and the use of stem cells are highlighted. This systematic review provides an evidence-based structure for future studies. Accumulating evidence shows that scaffold-based tissue engineering can enhance the viability and function or differentiation of insulin-secreting cells both in vitro and in vivo.
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Affiliation(s)
- Gabriel Alexander Salg
- Department of General, Abdominal and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Nathalia A Giese
- Department of General, Abdominal and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Miriam Schenk
- Department of General, Abdominal and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Felix J Hüttner
- Department of General, Abdominal and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Klaus Felix
- Department of General, Abdominal and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Pascal Probst
- Department of General, Abdominal and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Markus K Diener
- Department of General, Abdominal and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Thilo Hackert
- Department of General, Abdominal and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
| | - Hannes Götz Kenngott
- Department of General, Abdominal and Transplantation Surgery, Heidelberg University Hospital, Heidelberg, Germany
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28
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Yuan H, Xing K, Hsu HY. Trinity of Three-Dimensional (3D) Scaffold, Vibration, and 3D Printing on Cell Culture Application: A Systematic Review and Indicating Future Direction. Bioengineering (Basel) 2018; 5:E57. [PMID: 30041431 PMCID: PMC6164136 DOI: 10.3390/bioengineering5030057] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Revised: 07/14/2018] [Accepted: 07/16/2018] [Indexed: 12/14/2022] Open
Abstract
Cell culture and cell scaffold engineering have previously developed in two directions. First can be 'static into dynamic', with proven effects that dynamic cultures have benefits over static ones. Researches in this direction have used several mechanical means, like external vibrators or shakers, to approximate the dynamic environments in real tissue, though such approaches could only partly address the issue. Second, can be '2D into 3D', that is, artificially created three-dimensional (3D) passive (also called 'static') scaffolds have been utilized for 3D cell culture, helping external culturing conditions mimic real tissue 3D environments in a better way as compared with traditional two-dimensional (2D) culturing. In terms of the fabrication of 3D scaffolds, 3D printing (3DP) has witnessed its high popularity in recent years with ascending applicability, and this tendency might continue to grow along with the rapid development in scaffold engineering. In this review, we first introduce cell culturing, then focus 3D cell culture scaffold, vibration stimulation for dynamic culture, and 3DP technologies fabricating 3D scaffold. Potential interconnection of these realms will be analyzed, as well as the limitations of current 3D scaffold and vibration mechanisms. In the recommendation part, further discussion on future scaffold engineering regarding 3D vibratory scaffold will be addressed, indicating 3DP as a positive bridging technology for future scaffold with integrated and localized vibratory functions.
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Affiliation(s)
- Haobo Yuan
- School of Engineering, University of South Australia; Mawson Lakes Blvd, Mawson Lakes 5095, Australia.
| | - Ke Xing
- School of Engineering, University of South Australia; Mawson Lakes Blvd, Mawson Lakes 5095, Australia.
| | - Hung-Yao Hsu
- School of Engineering, University of South Australia; Mawson Lakes Blvd, Mawson Lakes 5095, Australia.
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Ruan H, Xiao R, Jiang X, Zhao B, Wu K, Shao Z, Zhang Z, Duan H, Song Y. Biofunctionalized self-assembly of peptide amphiphile induces the differentiation of bone marrow mesenchymal stem cells into neural cells. Mol Cell Biochem 2018; 450:199-207. [PMID: 29931518 DOI: 10.1007/s11010-018-3386-9] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2017] [Accepted: 06/16/2018] [Indexed: 11/28/2022]
Abstract
Bone marrow mesenchymal stem cells (BMSCs) are multipotential differentiation cells which can differentiate into different cell types such as osteoblasts, chondrocytes, adipocytes, cardiomyocytes, hepatocytes, endothelial cells, and neuronal cells. Such multipotential differentiation makes them attractive for stem cell-based therapy aimed at treating previously incurable disorders. In the present work, we encapsulated BMSCs into a hydrogel with a three-dimensional (3D) network of nanofibers, formed from self-assembling of peptide amphiphile. The self-assembling of peptide amphiphile into hydrogel was triggered by mixing cell suspensions with dilute aqueous solutions of amphipathic peptide. Moreover, this hydrogel was designed to present cells the neurite-promoting laminin epitope IKVAV at nearly van der Waals density, which induced the successful differentiation of BMSCs into neural cells.
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Affiliation(s)
- Hong Ruan
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330000, People's Republic of China
| | - Renshun Xiao
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330000, People's Republic of China
| | - Xinghai Jiang
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330000, People's Republic of China
| | - Biao Zhao
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330000, People's Republic of China
| | - Kai Wu
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330000, People's Republic of China
| | - Zongzuan Shao
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330000, People's Republic of China
| | - Zhongjie Zhang
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330000, People's Republic of China
| | - Huyang Duan
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330000, People's Republic of China
| | - Yulin Song
- Department of Orthopedics Surgery, The Second Affiliated Hospital of Nanchang University, Nanchang, 330000, People's Republic of China.
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30
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Gil M, Moon S, Yoon J, Rhamani S, Shin J, Lee KJ, Lahann J. Compartmentalized Microhelices Prepared via Electrohydrodynamic Cojetting. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2018; 5:1800024. [PMID: 29938185 PMCID: PMC6009775 DOI: 10.1002/advs.201800024] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2018] [Revised: 03/06/2018] [Indexed: 05/03/2023]
Abstract
Anisotropically compartmentalized microparticles have attracted increasing interest in areas ranging from sensing, drug delivery, and catalysis to microactuators. Herein, a facile method is reported for the preparation of helically decorated microbuilding blocks, using a modified electrohydrodynamic cojetting method. Bicompartmental microfibers are twisted in situ, during electrojetting, resulting in helical microfibers. Subsequent cryosectioning of aligned fiber bundles provides access to helically decorated microcylinders. The unique helical structure endows the microfibers/microcylinders with several novel functions such as translational motion in response to rotating magnetic fields. Finally, microspheres with helically patterned compartments are obtained after interfacially driven shape shifting of helically decorated microcylinders.
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Affiliation(s)
- Manjae Gil
- Department of Fine Chemical Engineering and Applied ChemistryCollege of EngineeringChungnam National University99 Daehak‐ro (st)Yuseong‐guDaejeon305‐764Republic of Korea
| | - Seongjun Moon
- Department of Fine Chemical Engineering and Applied ChemistryCollege of EngineeringChungnam National University99 Daehak‐ro (st)Yuseong‐guDaejeon305‐764Republic of Korea
| | - Jaewon Yoon
- Macromolecular Science and EngineeringUniversity of MichiganAnn ArborMI48109USA
| | - Sahar Rhamani
- Macromolecular Science and EngineeringUniversity of MichiganAnn ArborMI48109USA
- Department of Biomedical EngineeringUniversity of MichiganAnn ArborMI48109USA
- Institute of Functional InterfacesKarlsruhe Institute of Technology76344Eggenstein‐LeopoldshafenGermany
| | - Jae‐Won Shin
- Department of Fine Chemical Engineering and Applied ChemistryCollege of EngineeringChungnam National University99 Daehak‐ro (st)Yuseong‐guDaejeon305‐764Republic of Korea
| | - Kyung Jin Lee
- Department of Fine Chemical Engineering and Applied ChemistryCollege of EngineeringChungnam National University99 Daehak‐ro (st)Yuseong‐guDaejeon305‐764Republic of Korea
- Department of Chemical EngineeringUniversity of MichiganAnn ArborMI48109USA
| | - Joerg Lahann
- Macromolecular Science and EngineeringUniversity of MichiganAnn ArborMI48109USA
- Institute of Functional InterfacesKarlsruhe Institute of Technology76344Eggenstein‐LeopoldshafenGermany
- Department of Chemical EngineeringUniversity of MichiganAnn ArborMI48109USA
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31
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Placone JK, Engler AJ. Recent Advances in Extrusion-Based 3D Printing for Biomedical Applications. Adv Healthc Mater 2018; 7:e1701161. [PMID: 29283220 PMCID: PMC5954828 DOI: 10.1002/adhm.201701161] [Citation(s) in RCA: 177] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2017] [Revised: 11/11/2017] [Indexed: 12/13/2022]
Abstract
Additive manufacturing, or 3D printing, has become significantly more commonplace in tissue engineering over the past decade, as a variety of new printing materials have been developed. In extrusion-based printing, materials are used for applications that range from cell free printing to cell-laden bioinks that mimic natural tissues. Beyond single tissue applications, multi-material extrusion based printing has recently been developed to manufacture scaffolds that mimic tissue interfaces. Despite these advances, some material limitations prevent wider adoption of the extrusion-based 3D printers currently available. This progress report provides an overview of this commonly used printing strategy, as well as insight into how this technique can be improved. As such, it is hoped that the prospective report guides the inclusion of more rigorous material characterization prior to printing, thereby facilitating cross-platform utilization and reproducibility.
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Affiliation(s)
- Jesse K Placone
- Department of Bioengineering, Sanford Consortium for Regenerative Medicine, University of California, San Diego, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
| | - Adam J Engler
- Department of Bioengineering, Sanford Consortium for Regenerative Medicine, University of California, San Diego, 2880 Torrey Pines Scenic Drive, La Jolla, CA, 92037, USA
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32
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Kumar N, Joisher H, Ganguly A. Polymeric Scaffolds for Pancreatic Tissue Engineering: A Review. Rev Diabet Stud 2018; 14:334-353. [PMID: 29590227 PMCID: PMC6230446 DOI: 10.1900/rds.2017.14.334] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2017] [Revised: 01/24/2018] [Accepted: 02/05/2018] [Indexed: 12/17/2022] Open
Abstract
In recent years, there has been an alarming increase in the incidence of diabetes, with one in every eleven individuals worldwide suffering from this debilitating disease. As the available treatment options fail to reduce disease progression, novel avenues such as the bioartificial pancreas are being given serious consideration. In the past decade, the research focus has shifted towards the field of tissue engineering, which helps to design biological substitutes for repair and replacement of non-functional or damaged organs. Scaffolds constitute an integral part of tissue engineering; they have been shown to mimic the native extracellular matrix, thereby supporting cell viability and proliferation. This review offers a novel compilation of the recent advances in polymeric scaffolds, which are used for pancreatic tissue engineering. Furthermore, in this article, the design strategies for bioartificial pancreatic constructs and their future applications in cell-based therapy are discussed.
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Affiliation(s)
| | | | - Anasuya Ganguly
- Department of Biological Sciences, BITS-Pilani, K.K Birla Goa Campus, Goa, India 403726
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33
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Liu P, Sun L, Liu P, Yu W, Zhang Q, Zhang W, Ma J, Liu P, Shen J. Surface modification of porous PLGA scaffolds with plasma for preventing dimensional shrinkage and promoting scaffold–cell/tissue interactions. J Mater Chem B 2018; 6:7605-7613. [DOI: 10.1039/c8tb02374c] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
An effective strategy for simultaneously tackling the dimensional shrinkage of a highly porous PLGA scaffold and improving the scaffold–tissue integration.
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Affiliation(s)
- Peiming Liu
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Bio-functional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210023
| | - Lian Sun
- Jiangsu Key Laboratory of Oral Diseases
- Nanjing Medical University
- Nanjing 210029
- P. R. China
| | - Pingying Liu
- School of Materials Science and Engineering
- Jingdezhen Ceramic Institute
- Jingdezhen 333403
- P. R. China
- School of Chemistry and Chemical Engineering
| | - Wenqian Yu
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Bio-functional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210023
| | - Qianhui Zhang
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Bio-functional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210023
| | - Weibing Zhang
- Jiangsu Key Laboratory of Oral Diseases
- Nanjing Medical University
- Nanjing 210029
- P. R. China
| | - Jing Ma
- School of Chemistry and Chemical Engineering
- Key Laboratory of Mesoscopic Chemistry of MOE
- Nanjing University
- Nanjing 210093
- P. R. China
| | - Pingsheng Liu
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Bio-functional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210023
| | - Jian Shen
- Jiangsu Collaborative Innovation Center of Biomedical Functional Materials
- Jiangsu Key Laboratory of Bio-functional Materials
- School of Chemistry and Materials Science
- Nanjing Normal University
- Nanjing 210023
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34
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O’Halloran N, Courtney D, Kerin MJ, Lowery AJ. Adipose-Derived Stem Cells in Novel Approaches to Breast Reconstruction: Their Suitability for Tissue Engineering and Oncological Safety. Breast Cancer (Auckl) 2017; 11:1178223417726777. [PMID: 29104428 PMCID: PMC5562338 DOI: 10.1177/1178223417726777] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Accepted: 07/13/2017] [Indexed: 12/13/2022] Open
Abstract
Adipose-derived stem cells (ADSCs) are rapidly becoming the gold standard cell source for tissue engineering strategies and hold great potential for novel breast reconstruction strategies. However, their use in patients with breast cancer is controversial and their oncological safety, particularly in relation to local disease recurrence, has been questioned. In vitro, in vivo, and clinical studies using ADSCs report conflicting data on their suitability for adipose tissue regeneration in patients with cancer. This review aims to provide an overview of the potential role for ADSCs in breast reconstruction and to examine the evidence relating to the oncologic safety of their use in patients with breast cancer.
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Affiliation(s)
- Niamh O’Halloran
- Discipline of Surgery, Lambe Institute for Translational Research, National University of Ireland, Galway, Galway, Ireland
| | - Donald Courtney
- Discipline of Surgery, Lambe Institute for Translational Research, National University of Ireland, Galway, Galway, Ireland
| | - Michael J Kerin
- Discipline of Surgery, Lambe Institute for Translational Research, National University of Ireland, Galway, Galway, Ireland
| | - Aoife J Lowery
- Graduate Entry Medical School, University of Limerick, Limerick, Ireland
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