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Hoveidaei AH, Sadat-Shojai M, Mosalamiaghili S, Salarikia SR, Roghani-Shahraki H, Ghaderpanah R, Ersi MH, Conway JD. Nano-hydroxyapatite structures for bone regenerative medicine: Cell-material interaction. Bone 2024; 179:116956. [PMID: 37951520 DOI: 10.1016/j.bone.2023.116956] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2023] [Revised: 11/04/2023] [Accepted: 11/05/2023] [Indexed: 11/14/2023]
Abstract
Bone tissue engineering holds great promise for the regeneration of damaged or severe bone defects. However, several challenges hinder its translation into clinical practice. To address these challenges, interdisciplinary efforts and advances in biomaterials, cell biology, and bioengineering are required. In recent years, nano-hydroxyapatite (nHA)-based scaffolds have emerged as a promising approach for the development of bone regenerative agents. The unique similarity of nHA with minerals found in natural bones promotes remineralization and stimulates bone growth, which are crucial factors for efficient bone regeneration. Moreover, nHA exhibits desirable properties, such as strong chemical interactions with bone and facilitation of tissue growth, without inducing inflammation or toxicity. It also promotes osteoblast survival, adhesion, and proliferation, as well as increasing alkaline phosphatase activity, osteogenic differentiation, and bone-specific gene expression. However, it is important to note that the effect of nHA on osteoblast behavior is dose-dependent, with cytotoxic effects observed at higher doses. Additionally, the particle size of nHA plays a crucial role, with smaller particles having a more significant impact. Therefore, in this review, we highlighted the potential of nHA for improving bone regeneration processes and summarized the available data on bone cell response to nHA-based scaffolds. In addition, an attempt is made to portray the current status of bone tissue engineering using nHA/polymer hybrids and some recent scientific research in the field.
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Affiliation(s)
- Amir Human Hoveidaei
- International Center for Limb Lengthening, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, MD, USA
| | - Mehdi Sadat-Shojai
- Department of Chemistry, College of Sciences, Shiraz University, Shiraz, Iran
| | - Seyedarad Mosalamiaghili
- Burn and Wound Healing Research Center, Shiraz University of Medical Sciences, Shiraz, Iran; Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | | | | | - Rezvan Ghaderpanah
- Student Research Committee, Shiraz University of Medical Sciences, Shiraz, Iran
| | - Mohammad Hamed Ersi
- Evidence Based Medicine Center, Hormozgan University of Medical Sciences, Bandar Abbas, Iran; Clinical Research Development Center of Shahid Mohammadi Hospital, Hormozgan University of Medical Sciences, Bandar Abbas, Iran
| | - Janet D Conway
- International Center for Limb Lengthening, Rubin Institute for Advanced Orthopedics, Sinai Hospital of Baltimore, Baltimore, MD, USA.
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Ivanjko N, Stokovic N, Pecin M, Vnuk D, Smajlovic A, Ivkic N, Capak H, Javor A, Vrbanac Z, Maticic D, Vukicevic S. Calcium phosphate ceramics combined with rhBMP6 within autologous blood coagulum promote posterolateral lumbar fusion in sheep. Sci Rep 2023; 13:22079. [PMID: 38086987 PMCID: PMC10716416 DOI: 10.1038/s41598-023-48878-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2023] [Accepted: 11/30/2023] [Indexed: 12/18/2023] Open
Abstract
Posterolateral spinal fusion (PLF) is a procedure used for the treatment of degenerative spine disease. In this study we evaluated Osteogrow-C, a novel osteoinductive device comprised of recombinant human Bone morphogenetic protein 6 (rhBMP6) dispersed in autologous blood coagulum with synthetic ceramic particles, in the sheep PLF model. Osteogrow-C implants containing 74-420 or 1000-1700 µm ceramic particles (TCP/HA 80/20) were implanted between L4-L5 transverse processes in sheep (Ovis Aries, Merinolaandschaf breed). In the first experiment (n = 9 sheep; rhBMP6 dose 800 µg) the follow-up period was 27 weeks while in the second experiment (n = 12 sheep; rhBMP6 dose 500 µg) spinal fusion was assessed by in vivo CT after 9 weeks and at the end of the experiment after 14 (n = 6 sheep) and 40 (n = 6 sheep) weeks. Methods of evaluation included microCT, histological analyses and biomechanical testing. Osteogrow-C implants containing both 74-420 and 1000-1700 µm ceramic particles induced radiographic solid fusion 9 weeks following implantation. Ex-vivo microCT and histological analyses revealed complete osseointegration of newly formed bone with adjacent transverse processes. Biomechanical testing confirmed that fusion between transverse processes was complete and successful. Osteogrow-C implants induced spinal fusion in sheep PLF model and therefore represent a novel therapeutic solution for patients with degenerative disc disease.
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Affiliation(s)
- Natalia Ivanjko
- Laboratory for Mineralized Tissues, Center for Translational and Clinical Research, School of Medicine, University of Zagreb, Salata 11, 10000, Zagreb, Croatia
- Center of Excellence for Reproductive and Regenerative Medicine, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Nikola Stokovic
- Laboratory for Mineralized Tissues, Center for Translational and Clinical Research, School of Medicine, University of Zagreb, Salata 11, 10000, Zagreb, Croatia
- Center of Excellence for Reproductive and Regenerative Medicine, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Marko Pecin
- Clinics for Surgery, Orthopedics and Ophthalmology, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Drazen Vnuk
- Clinics for Surgery, Orthopedics and Ophthalmology, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Ana Smajlovic
- Clinics for Surgery, Orthopedics and Ophthalmology, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Niko Ivkic
- Clinics for Surgery, Orthopedics and Ophthalmology, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Hrvoje Capak
- Department of Radiology, Ultrasound Diagnostics and Physical Therapy, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Ana Javor
- Department of Radiology, Ultrasound Diagnostics and Physical Therapy, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Zoran Vrbanac
- Department of Radiology, Ultrasound Diagnostics and Physical Therapy, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Drazen Maticic
- Clinics for Surgery, Orthopedics and Ophthalmology, Faculty of Veterinary Medicine, University of Zagreb, Zagreb, Croatia
| | - Slobodan Vukicevic
- Laboratory for Mineralized Tissues, Center for Translational and Clinical Research, School of Medicine, University of Zagreb, Salata 11, 10000, Zagreb, Croatia.
- Center of Excellence for Reproductive and Regenerative Medicine, School of Medicine, University of Zagreb, Zagreb, Croatia.
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Solangi NH, Mazari SA, Mubarak NM, Karri RR, Rajamohan N, Vo DVN. Recent trends in MXene-based material for biomedical applications. ENVIRONMENTAL RESEARCH 2023; 222:115337. [PMID: 36682442 DOI: 10.1016/j.envres.2023.115337] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/25/2022] [Revised: 01/03/2023] [Accepted: 01/18/2023] [Indexed: 06/17/2023]
Abstract
MXene is a magical class of 2D nanomaterials and emerging in many applications in diverse fields. Due to the multiple advantageous characteristics of its fundamental components, such as structural, physicochemical, optical, and occasionally even biological characteristics. However, it is limited in the biomedical industry due to poor physiological stability, decomposition rate, and lack of controlled and sustained drug release. These limitations can be overcome when MXene forms composites with other 2D materials. The efficiency of pure MXene in biomedicine is inferior to that of MXene-based composites. The availability of functionality on the exterior part of MXene has a key role in the modification of their surface and their characteristics. This review provides an extensive discussion on the synthesizing of MXene and the role of the surface functionalities on the efficiency of MXene. In addition, a detailed discussion of the biomedical applications of MXene, including antibacterial activity, regenerative medicine, CT scan capability, drug delivery, diagnostics, MRI and biosensing capability. Furthermore, an outline of the future problems and challenges of MXene-based materials for biomedical applications was narrated. Thus, these salient features showcase the potential of MXene-based material and will be a breakthrough in biomedical applications in the near future.
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Affiliation(s)
- Nadeem Hussain Solangi
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan
| | - Shaukat Ali Mazari
- Department of Chemical Engineering, Dawood University of Engineering and Technology, Karachi, 74800, Pakistan.
| | - Nabisab Mujawar Mubarak
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam.
| | - Rama Rao Karri
- Petroleum and Chemical Engineering, Faculty of Engineering, Universiti Teknologi Brunei, Bandar Seri Begawan, BE1410, Brunei Darussalam.
| | - Natarajan Rajamohan
- Chemical Engineering Section, Faculty of Engineering, Sohar University, Sohar, P C-311, Oman
| | - Dai-Viet N Vo
- Institute of Applied Technology and Sustainable Development, Nguyen Tat Thanh University, Ho Chi Minh City, 755414, Viet Nam
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Cho CS, Jo I. Bone Morphogenic Protein-2-Conjugated Three-Dimensional-Printed Poly (L-Lactic Acid) (PLLA) Scaffold is likely Promising as an Effective Bone Substitute. Tissue Eng Regen Med 2023; 20:155-156. [PMID: 36964871 PMCID: PMC10070576 DOI: 10.1007/s13770-023-00537-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Accepted: 03/03/2023] [Indexed: 03/26/2023] Open
Abstract
Bone morphogenic protein-2 (BMP-2)-conjugated three-dimensional (3-D)-printed poly (L-lactic acid)(PLLA) scaffold is likely promising as an effective bone substitute for enhancing bone regeneration of massive bone defects caused by tumor resection, traumatic injury, or congenital diseases. The authors developed a new bone substitute using a novel strategy composed of 3-D-printed PLLA scaffolds through a sequential coating of catechol-conjugated alginate (C-AL), BMP-2, and collagen (CO). The 3-D-printed PLLA scaffold was successfully obtained with 5 mm of diameter, 1 mm of thickness, 400 μm of pore size, 187-230 μm of grid thickness, and 82% of porosity. Alkaline phosphatase (ALP) activity of the BMP-2-immobilized PLLA scaffold in MC3T3-E1 and W-20-17 cells was more increased than BMP-2 itself due to the controlled release of BMP-2 from the scaffold. Tenfold new bone formation for the BMP-2-immobilized PLLA scaffold was obtained by micro-CT analysis than PLLA scaffold without BMP-2 weeks after 4 weeks of transplantation model mouse. Further another big animal model study should be performed before clinical trials.
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Affiliation(s)
- Chong-Su Cho
- Department of Agricultural Biotechnology, and Research Institute of Agriculture and Life Sciences, Seoul National University, Seoul, 08826, Republic of Korea.
| | - Inho Jo
- Department of Molecular Medicine, College of Medicine, Ewha Womans University, Seoul, 07804, Republic of Korea.
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Hong YR, Kim TH, Park KH, Kang J, Lee K, Park EK, Kwon TG, Lim JO, Oh CW. rhBMP-2-Conjugated Three-Dimensional-Printed Poly(L-lactide) Scaffold is an Effective Bone Substitute. Tissue Eng Regen Med 2022; 20:69-81. [PMID: 36512177 PMCID: PMC9852414 DOI: 10.1007/s13770-022-00506-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 10/27/2022] [Accepted: 10/30/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Bone growth factors, particularly bone morphogenic protein-2 (BMP-2), are required for effective treatment of significant bone loss. Despite the extensive development of bone substitutes, much remains to be desired for wider application in clinical settings. The currently available bone substitutes cannot sustain prolonged BMP-2 release and are inconvenient to use. In this study, we developed a ready-to-use bone substitute by sequential conjugation of BMP to a three-dimensional (3D) poly(L-lactide) (PLLA) scaffold using novel molecular adhesive materials that reduced the operation time and sustained prolonged BMP release. METHODS A 3D PLLA scaffold was printed and BMP-2 was conjugated with alginate-catechol and collagen. PLLA scaffolds were conjugated with different concentrations of BMP-2 and evaluated for bone regeneration in vitro and in vivo using a mouse calvarial model. The BMP-2 release kinetics were analyzed using ELISA. Histological analysis and micro-CT image analysis were performed to evaluate new bone formation. RESULTS The 3D structure of the PLLA scaffold had a pore size of 400 µm and grid thickness of 187-230 µm. BMP-2 was released in an initial burst, followed by a sustained release for 14 days. Released BMP-2 maintained osteoinductivity in vitro and in vivo. Micro-computed tomography and histological findings demonstrate that the PLLA scaffold conjugated with 2 µg/ml of BMP-2 induced optimal bone regeneration. CONCLUSION The 3D-printed PLLA scaffold conjugated with BMP-2 enhanced bone regeneration, demonstrating its potential as a novel bone substitute.
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Affiliation(s)
- Yu Ri Hong
- Joint Institute for Regenerative Medicine, Kyungpook National University, Bio-Medical Research Institute, Kyungpook National University Hospital, Daegu, 41940, Republic of Korea
| | - Tae-Ho Kim
- Joint Institute for Regenerative Medicine, Kyungpook National University, Bio-Medical Research Institute, Kyungpook National University Hospital, Daegu, 41940, Republic of Korea
| | - Kyeong-Hyeon Park
- School of Medicine, Kyungpook National University, Daegu, 41944, Republic of Korea
- Department of Orthopedic Surgery, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, 41944, Republic of Korea
| | - Jumi Kang
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Kyueui Lee
- Department of Chemistry and Green-Nano Materials Research Center, Kyungpook National University, Daegu, 41566, Republic of Korea
| | - Eui Kyun Park
- Department of Oral Pathology and Regenerative Medicine, School of Dentistry, Kyungpook National University, Daegu, 41940, Republic of Korea
| | - Tae-Geon Kwon
- Department of Oral and Maxillofacial Surgery, School of Dentistry, Kyungpook National University, Daegu, 41940, Republic of Korea
| | - Jeong Ok Lim
- Joint Institute for Regenerative Medicine, Kyungpook National University, Bio-Medical Research Institute, Kyungpook National University Hospital, Daegu, 41940, Republic of Korea.
- School of Medicine, Kyungpook National University, Daegu, 41944, Republic of Korea.
| | - Chang-Wug Oh
- Department of Orthopedic Surgery, School of Medicine, Kyungpook National University, Kyungpook National University Hospital, Daegu, 41944, Republic of Korea.
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Jin Y, Zhou J, Zhao X, Zhang X, Su Z. When 2D nanomaterials meet biomolecules: design strategies and hybrid nanostructures for bone tissue engineering. J Mater Chem B 2022; 10:9040-9053. [PMID: 36317564 DOI: 10.1039/d2tb01489k] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
Abstract
2D nanomaterials show great potential in biomedical applications due to their unique physical and chemical surface properties. This review includes typical 2D nanomaterials used in bone tissue engineering (BTE), such as graphene oxide, hexagonal boron nitride, molybdenum disulfide, black phosphorus, and MXenes. Moreover, the construction methods of BTE materials with 2D nanosheets are analyzed. Before designing a BTE material, it is essential to understand the relationship between the material structure and properties. Notably, 2D nanomaterials can be hybridized with biomaterials, such as polypeptides, proteins, and polysaccharides, to improve biocompatibility and host responses. The effects of the surface properties and size of 2D nanomaterials on cellular behavior, gene expression, antibacterial properties, and cytotoxicity in BTE applications are also discussed. This work provides new design ideas and directions for constructing 2D nanomaterial-based BTE scaffolds.
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Affiliation(s)
- Yuchen Jin
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Advanced Functional Polymer Composites, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Jie Zhou
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Advanced Functional Polymer Composites, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Xin Zhao
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Advanced Functional Polymer Composites, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Xiaoyuan Zhang
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Advanced Functional Polymer Composites, Beijing University of Chemical Technology, Beijing 100029, China.
| | - Zhiqiang Su
- State Key Laboratory of Chemical Resource Engineering, Beijing Key Laboratory of Advanced Functional Polymer Composites, Beijing University of Chemical Technology, Beijing 100029, China.
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Hatanaka T, Ramphai K, Takimoto S, Kanda H, Motosugi N, Kimura M, Mabuchi T, Oyama M, Takeuchi T, Okamura Y. Potential UV-Protective Effect of Freestanding Biodegradable Nanosheet-Based Sunscreen Preparations in XPA-Deficient Mice. Pharmaceutics 2022; 14:pharmaceutics14020431. [PMID: 35214163 PMCID: PMC8878169 DOI: 10.3390/pharmaceutics14020431] [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: 01/17/2022] [Revised: 02/04/2022] [Accepted: 02/11/2022] [Indexed: 02/01/2023] Open
Abstract
Xeroderma pigmentosum (XP) is a rare autosomal recessive hereditary disorder. As patients with XP are deficient in nucleotide excision repair, they show severe photosensitivity symptoms. Although skin protection from ultraviolet (UV) radiation is essential to improve the life expectancy of such patients, the optimal protective effect is not achieved even with sunscreen application, owing to the low usability of the preparations. Nanosheets are two-dimensional nanostructures with a thickness in the nanometer range. The extremely large aspect ratios of the nanosheets result in high transparency, flexibility, and adhesiveness. Moreover, their high moisture permeability enables their application to any area of the skin for a long time. We fabricated preparations containing avobenzone (BMDBM) based on freestanding poly (L-lactic acid) (PLLA) nanosheets through a spin-coating process. Although monolayered PLLA nanosheets did not contain enough BMDBM to protect against UV radiation, the layered nanosheets, consisting of five discrete BMDBM nanosheets, showed high UV absorbance without lowering the adhesive strength against skin. Inflammatory reactions in XPA-deficient mice after UV radiation were completely suppressed by the application of BMDBM-layered nanosheets to the skin. Thus, the BMDBM layered nanosheet could serve as a potential sunscreen preparation to improve the quality of life of patients with XP.
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Affiliation(s)
- Tomomi Hatanaka
- School of Pharmacy, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado 350-0295, Japan; (M.O.); (T.T.)
- Faculty of Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara 259-1193, Japan; (N.M.); (T.M.)
- Correspondence: (T.H.); (Y.O.)
| | - Khampeeraphan Ramphai
- Department of Applied Chemistry, School of Engineering, Tokai University, 4-1-1 Kitakaname, Hiratsuka 259-1292, Japan;
| | - Shun Takimoto
- Course of Applied Science, Graduate School of Engineering, Tokai University, 4-1-1 Kitakaname, Hiratsuka 259-1292, Japan; (S.T.); (H.K.)
| | - Hiromi Kanda
- Course of Applied Science, Graduate School of Engineering, Tokai University, 4-1-1 Kitakaname, Hiratsuka 259-1292, Japan; (S.T.); (H.K.)
| | - Nami Motosugi
- Faculty of Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara 259-1193, Japan; (N.M.); (T.M.)
| | - Minoru Kimura
- The Institute of Medical Sciences, Tokai University, 143 Shimokasuya, Isehara 259-1193, Japan;
| | - Tomotaka Mabuchi
- Faculty of Medicine, Tokai University School of Medicine, 143 Shimokasuya, Isehara 259-1193, Japan; (N.M.); (T.M.)
| | - Midori Oyama
- School of Pharmacy, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado 350-0295, Japan; (M.O.); (T.T.)
| | - Tomoharu Takeuchi
- School of Pharmacy, Faculty of Pharmacy and Pharmaceutical Sciences, Josai University, 1-1 Keyakidai, Sakado 350-0295, Japan; (M.O.); (T.T.)
| | - Yosuke Okamura
- Department of Applied Chemistry, School of Engineering, Tokai University, 4-1-1 Kitakaname, Hiratsuka 259-1292, Japan;
- Course of Applied Science, Graduate School of Engineering, Tokai University, 4-1-1 Kitakaname, Hiratsuka 259-1292, Japan; (S.T.); (H.K.)
- Correspondence: (T.H.); (Y.O.)
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Murali A, Lokhande G, Deo KA, Brokesh A, Gaharwar AK. Emerging 2D Nanomaterials for Biomedical Applications. MATERIALS TODAY (KIDLINGTON, ENGLAND) 2021; 50:276-302. [PMID: 34970073 PMCID: PMC8713997 DOI: 10.1016/j.mattod.2021.04.020] [Citation(s) in RCA: 88] [Impact Index Per Article: 29.3] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Two-dimensional (2D) nanomaterials are an emerging class of biomaterials with remarkable potential for biomedical applications. The planar topography of these nanomaterials confers unique physical, chemical, electronic and optical properties, making them attractive candidates for therapeutic delivery, biosensing, bioimaging, regenerative medicine, and additive manufacturing strategies. The high surface-to-volume ratio of 2D nanomaterials promotes enhanced interactions with biomolecules and cells. A range of 2D nanomaterials, including transition metal dichalcogenides (TMDs), layered double hydroxides (LDHs), layered silicates (nanoclays), 2D metal carbides and nitrides (MXenes), metal-organic framework (MOFs), covalent organic frameworks (COFs) and polymer nanosheets have been investigated for their potential in biomedical applications. Here, we will critically evaluate recent advances of 2D nanomaterial strategies in biomedical engineering and discuss emerging approaches and current limitations associated with these nanomaterials. Due to their unique physical, chemical, and biological properties, this new class of nanomaterials has the potential to become a platform technology in regenerative medicine and other biomedical applications.
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Affiliation(s)
- Aparna Murali
- Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Giriraj Lokhande
- Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Kaivalya A. Deo
- Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Anna Brokesh
- Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
| | - Akhilesh K. Gaharwar
- Biomedical Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
- Material Science and Engineering, Dwight Look College of Engineering, Texas A&M University, College Station, TX 77843, USA
- Center for Remote Health Technologies and Systems, Texas A&M University, College Station, TX 77843, USA
- Interdisciplinary Graduate Program in Genetics, Texas A&M University, College Station, TX 77843, USA
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Moreira J, Vale AC, Alves NM. Spin-coated freestanding films for biomedical applications. J Mater Chem B 2021; 9:3778-3799. [PMID: 33876170 DOI: 10.1039/d1tb00233c] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Spin-coating is a widely employed technique for the fabrication of thin-film coatings over large areas with smooth and homogeneous surfaces. In recent years, research has extended the scope of spin-coating by developing methods involving the interface of the substrate and the deposited solution to obtain self-supported films, also called freestanding films. Thereby, such structures have been developed for a wide range of areas. Biomedical applications of spin-coated freestanding films include wound dressings, drug delivery, and biosensing. This review will discuss the fundamental physical and chemical processes governing the conventional spin-coating as well as the techniques to obtain freestanding films. Furthermore, developments within this field with a primary focus on tissue engineering applications will be reviewed.
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Affiliation(s)
- Joana Moreira
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal. and ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - A Catarina Vale
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal. and ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Natália M Alves
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal. and ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal
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10
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Bone Morphogenetic Proteins, Carriers, and Animal Models in the Development of Novel Bone Regenerative Therapies. MATERIALS 2021; 14:ma14133513. [PMID: 34202501 PMCID: PMC8269575 DOI: 10.3390/ma14133513] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/17/2021] [Accepted: 06/21/2021] [Indexed: 12/26/2022]
Abstract
Bone morphogenetic proteins (BMPs) possess a unique ability to induce new bone formation. Numerous preclinical studies have been conducted to develop novel, BMP-based osteoinductive devices for the management of segmental bone defects and posterolateral spinal fusion (PLF). In these studies, BMPs were combined with a broad range of carriers (natural and synthetic polymers, inorganic materials, and their combinations) and tested in various models in mice, rats, rabbits, dogs, sheep, and non-human primates. In this review, we summarized bone regeneration strategies and animal models used for the initial, intermediate, and advanced evaluation of promising therapeutical solutions for new bone formation and repair. Moreover, in this review, we discuss basic aspects to be considered when planning animal experiments, including anatomical characteristics of the species used, appropriate BMP dosing, duration of the observation period, and sample size.
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11
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Riester O, Borgolte M, Csuk R, Deigner HP. Challenges in Bone Tissue Regeneration: Stem Cell Therapy, Biofunctionality and Antimicrobial Properties of Novel Materials and Its Evolution. Int J Mol Sci 2020; 22:E192. [PMID: 33375478 PMCID: PMC7794985 DOI: 10.3390/ijms22010192] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 12/21/2020] [Accepted: 12/23/2020] [Indexed: 02/06/2023] Open
Abstract
An aging population leads to increasing demand for sustained quality of life with the aid of novel implants. Patients expect fast healing and few complications after surgery. Increased biofunctionality and antimicrobial behavior of implants, in combination with supportive stem cell therapy, can meet these expectations. Recent research in the field of bone implants and the implementation of autologous mesenchymal stem cells in the treatment of bone defects is outlined and evaluated in this review. The article highlights several advantages, limitations and advances for metal-, ceramic- and polymer-based implants and discusses the future need for high-throughput screening systems used in the evaluation of novel developed materials and stem cell therapies. Automated cell culture systems, microarray assays or microfluidic devices are required to efficiently analyze the increasing number of new materials and stem cell-assisted therapies. Approaches described in the literature to improve biocompatibility, biofunctionality and stem cell differentiation efficiencies of implants range from the design of drug-laden nanoparticles to chemical modification and the selection of materials that mimic the natural tissue. Combining suitable implants with mesenchymal stem cell treatment promises to shorten healing time and increase treatment success. Most research studies focus on creating antibacterial materials or modifying implants with antibacterial coatings in order to address the increasing number of complications after surgeries that are mostly caused by bacterial infections. Moreover, treatment of multiresistant pathogens will pose even bigger challenges in hospitals in the future, according to the World Health Organization (WHO). These antibacterial materials will help to reduce infections after surgery and the number of antibiotic treatments that contribute to the emergence of new multiresistant pathogens, whilst the antibacterial implants will help reduce the amount of antibiotics used in clinical treatment.
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Affiliation(s)
- Oliver Riester
- Institute of Precision Medicine, Medical and Life Sciences Faculty, Furtwangen University, Jakob-Kienzle-Strasse 17, 78054 Villingen-Schwenningen, Germany; (O.R.); (M.B.)
| | - Max Borgolte
- Institute of Precision Medicine, Medical and Life Sciences Faculty, Furtwangen University, Jakob-Kienzle-Strasse 17, 78054 Villingen-Schwenningen, Germany; (O.R.); (M.B.)
| | - René Csuk
- Institute of Organic Chemistry, Martin-Luther-University Halle-Wittenberg, Kurt-Mothes-Str. 2, 06120 Halle (Saale), Germany;
| | - Hans-Peter Deigner
- Institute of Precision Medicine, Medical and Life Sciences Faculty, Furtwangen University, Jakob-Kienzle-Strasse 17, 78054 Villingen-Schwenningen, Germany; (O.R.); (M.B.)
- EXIM Department, Fraunhofer Institute IZI, Leipzig, Schillingallee 68, 18057 Rostock, Germany
- Faculty of Science, University of Tuebingen, Auf der Morgenstelle 8, 72076 Tuebingen, Germany
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12
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Zhu H, Shi Z, Cai X, Yang X, Zhou C. The combination of PLLA/PLGA/PCL composite scaffolds integrated with BMP-2-loaded microspheres and low-intensity pulsed ultrasound alleviates steroid-induced osteonecrosis of the femoral head. Exp Ther Med 2020; 20:126. [PMID: 33005252 PMCID: PMC7523288 DOI: 10.3892/etm.2020.9254] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2019] [Accepted: 11/14/2019] [Indexed: 12/25/2022] Open
Abstract
Low-intensity pulsed ultrasound (LIPUS), which has been previously reported to promote bone repair, is proposed to be a noninvasive form of therapy for the treatment of osteonecrosis. Bone fillers made from composite scaffolds have been demonstrated to be effective for preventing bone defects such as osteonecrosis. The present study aimed to investigate whether the application of LIPUS combined with bone morphogenetic protein-2 (BMP-2)-loaded poly-L-lactic acid/polylactic-co-glycolic acid/poly-ε-caprolactone (PLLA/PLGA/PCL) composite scaffolds can improve recovery in a rat model of steroid-induced osteonecrosis of the femoral head (ONFH). BMP-2-loaded PLGA microspheres incorporated into PLLA/PLGA/PCL composite scaffolds were constructed. Bilateral femoral head LIPUS intervention was conducted in rats with steroid-induced ONFH. LIPUS intervention alone contributed to the alleviation of osteonecrosis, in addition to improving load-carrying capacity and accelerated bone formation, angiogenesis and differentiation. Subsequently, femoral head parameters and assessment of load-carrying capacity, bone formation-related factors, and angiogenesis- and differentiation-related factors were measured in rats with or without implanted BMP-2-loaded PLLA/PLGA/PCL composite scaffolds. LIPUS combined with the implantation of PLLA/PLGA/PCL composite scaffolds loaded with BMP-2 microspheres protected rats against steroid-induced ONFH and improved load-carrying capacity, bone formation, angiogenesis and differentiation. Together, these data support the use of BMP-2-loaded PLLA/PLGA/PCL composite scaffolds combined with LIPUS for ONFH as a potential alternative curative solution for treating bone diseases.
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Affiliation(s)
- Hanxiao Zhu
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
| | - Zhongli Shi
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
| | - Xunzi Cai
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
| | - Xiaobo Yang
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
| | - Chenhe Zhou
- Department of Orthopaedic Surgery, The Second Affiliated Hospital of Zhejiang University School of Medicine, Hangzhou, Zhejiang 310009, P.R. China
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13
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Micro Magnetic Field Produced by Fe 3O 4 Nanoparticles in Bone Scaffold for Enhancing Cellular Activity. Polymers (Basel) 2020; 12:polym12092045. [PMID: 32911730 PMCID: PMC7570298 DOI: 10.3390/polym12092045] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 08/28/2020] [Accepted: 09/03/2020] [Indexed: 12/23/2022] Open
Abstract
The low cellular activity of poly-l-lactic acid (PLLA) limits its application in bone scaffold, although PLLA has advantages in terms of good biocompatibility and easy processing. In this study, superparamagnetic Fe3O4 nanoparticles were incorporated into the PLLA bone scaffold prepared by selective laser sintering (SLS) for continuously and steadily enhancing cellular activity. In the scaffold, each Fe3O4 nanoparticle was a single magnetic domain without a domain wall, providing a micro-magnetic source to generate a tiny magnetic field, thereby continuously and steadily generating magnetic stimulation to cells. The results showed that the magnetic scaffold exhibited superparamagnetism and its saturation magnetization reached a maximum value of 6.1 emu/g. It promoted the attachment, diffusion, and interaction of MG63 cells, and increased the activity of alkaline phosphatase, thus promoting the cell proliferation and differentiation. Meanwhile, the scaffold with 7% Fe3O4 presented increased compressive strength, modulus, and Vickers hardness by 63.4%, 78.9%, and 19.1% compared with the PLLA scaffold, respectively, due to the addition of Fe3O4 nanoparticles, which act as a nanoscale reinforcement in the polymer matrix. All these positive results suggested that the PLLA/Fe3O4 scaffold with good magnetic properties is of great potential for bone tissue engineering applications.
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14
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Xu T, Sheng L, He L, Weng J, Duan K. Enhanced osteogenesis of hydroxyapatite scaffolds by coating with BMP-2-loaded short polylactide nanofiber: a new drug loading method for porous scaffolds. Regen Biomater 2020; 7:91-98. [PMID: 32440360 PMCID: PMC7233607 DOI: 10.1093/rb/rbz040] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2019] [Revised: 09/15/2019] [Accepted: 10/03/2019] [Indexed: 12/16/2022] Open
Abstract
Porous hydroxyapatite (HA) is widely used in porous forms to assist bone defect healing. However, further improvements in biological functions are desired for meeting complex clinical situations such as impaired bone regeneration in poor bone stock. The extracellular matrix (ECM) of human tissues is characterized by nanofibrous structures and a variety of signal molecules. Emulating these characteristics are expected to create a favorable microenvironment for cells and simultaneously allow release of osteogenic molecules. In this study, short polylactide fibers containing BMP-2 were prepared by electrospinning and coated on porous HA scaffolds. The coating did not affect porosity or pore interconnectivity of the scaffold but improved its compressive strength markedly. This fiber coating produced burst BMP-2 release in 1 day followed by a linear release for 24 days. The coating had a significantly lower rat calvarial osteoblasts (RCOBs) adhesion (vs. uncoated scaffold) but allowed normal proliferation subsequently. Bone marrow stem cells (MSCs) on the coated scaffolds expressed a significantly increased alkaline phosphatase activity relative to the uncoated ones. After implantation in canine dorsal muscles, the coated scaffolds formed significantly more new bone at Weeks 4 and 12, and more blood vessels at Week 12. This method offers a new option for drug delivery systems.
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Affiliation(s)
- Taotao Xu
- Key Laboratory of Advanced Technologies of Materials (MOE), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Luyao Sheng
- Key Laboratory of Advanced Technologies of Materials (MOE), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Lei He
- Key Laboratory of Advanced Technologies of Materials (MOE), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Jie Weng
- Key Laboratory of Advanced Technologies of Materials (MOE), School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Ke Duan
- Sichuan Provincial Laboratory of Orthopaedic Engineering, Department of Bone and Joint Surgery, Affiliated Hospital of Southwest Medical University, Luzhou 646000, China
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15
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Otomo A, Ueda MT, Fujie T, Hasebe A, Suematsu Y, Okamura Y, Takeoka S, Hadano S, Nakagawa S. Efficient differentiation and polarization of primary cultured neurons on poly(lactic acid) scaffolds with microgrooved structures. Sci Rep 2020; 10:6716. [PMID: 32317746 PMCID: PMC7174324 DOI: 10.1038/s41598-020-63537-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 03/30/2020] [Indexed: 11/08/2022] Open
Abstract
Synthetic biodegradable polymers including poly(lactic acid) (PLA) are attractive cell culture substrates because their surfaces can be micropatterned to support cell adhesion. The cell adhesion properties of a scaffold mainly depend on its surface chemical and structural features; however, it remains unclear how these characteristics affect the growth and differentiation of cultured cells or their gene expression. In this study, we fabricated two differently structured PLA nanosheets: flat and microgrooved. We assessed the growth and differentiation of mouse primary cultured cortical neurons on these two types of nanosheets after pre-coating with poly-D-lysine and vitronectin. Interestingly, prominent neurite bundles were formed along the grooves on the microgrooved nanosheets, whereas thin and randomly extended neurites were only observed on the flat nanosheets. Comparative RNA sequencing analyses revealed that the expression of genes related to postsynaptic density, dendritic shafts, and asymmetric synapses was significantly and consistently up-regulated in cells cultured on the microgrooved nanosheets when compared with those cultured on the flat nanosheets. These results indicate that microgrooved PLA nanosheets can provide a powerful means of establishing a culture system for the efficient and reproducible differentiation of neurons, which will facilitate future investigations of the molecular mechanisms underlying the pathogenesis of neurological disorders.
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Affiliation(s)
- Asako Otomo
- Micro/Nano Technology Center, Tokai University, Hiratsuka, Kanagawa, 259-1292, Japan.
- Department of Molecular Life Sciences, Tokai University School of Medicine, Isehara, Kanagawa, 259-1193, Japan.
| | - Mahoko Takahashi Ueda
- Micro/Nano Technology Center, Tokai University, Hiratsuka, Kanagawa, 259-1292, Japan
- Department of Molecular Life Sciences, Tokai University School of Medicine, Isehara, Kanagawa, 259-1193, Japan
| | - Toshinori Fujie
- School of Life Science and Technology, Tokyo Institute of Technology, B-50, 4259 Nagatsuta-cho, Midori-ku, Yokohama, Kanagawa, 226-850, Japan
- PRESTO, Japan Science and Technology Agency, 4-1-8 Honcho, Kawaguchi-shi, Saitama, 332-0012, Japan
| | - Arihiro Hasebe
- Graduate School of Advanced Science and Engineering, Waseda University, TWIns, 2-2, Sinjuku-ku, Tokyo, 162-8480, Japan
| | - Yoshitaka Suematsu
- Graduate School of Advanced Science and Engineering, Waseda University, TWIns, 2-2, Sinjuku-ku, Tokyo, 162-8480, Japan
| | - Yosuke Okamura
- Micro/Nano Technology Center, Tokai University, Hiratsuka, Kanagawa, 259-1292, Japan
- Department of Applied Chemistry, School of Engineering, Tokai University, Hiratsuka, Kanagawa, 259-1292, Japan
| | - Shinji Takeoka
- Graduate School of Advanced Science and Engineering, Waseda University, TWIns, 2-2, Sinjuku-ku, Tokyo, 162-8480, Japan
- Waseda Research Institute for Science and Engineering, Waseda University, Shinjuku-ku, Tokyo, 169-8555, Japan
| | - Shinji Hadano
- Department of Molecular Life Sciences, Tokai University School of Medicine, Isehara, Kanagawa, 259-1193, Japan
| | - So Nakagawa
- Micro/Nano Technology Center, Tokai University, Hiratsuka, Kanagawa, 259-1292, Japan.
- Department of Molecular Life Sciences, Tokai University School of Medicine, Isehara, Kanagawa, 259-1193, Japan.
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16
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Zhang H, Yarinome K, Kawakami R, Otomo K, Nemoto T, Okamura Y. Nanosheet wrapping-assisted coverslip-free imaging for looking deeper into a tissue at high resolution. PLoS One 2020; 15:e0227650. [PMID: 31923215 PMCID: PMC6953877 DOI: 10.1371/journal.pone.0227650] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2019] [Accepted: 12/22/2019] [Indexed: 12/19/2022] Open
Abstract
In order to achieve deep tissue imaging, a number of optical clearing agents have been developed. However, in a conventional microscopy setup, an objective lens can only be moved until it is in contact with a coverslip, which restricts the maximum focusing depth into a cleared tissue specimen. Until now, it is still a fact that the working distance of a high magnification objective lens with a high numerical aperture is always about 100 μm. In this study, a polymer thin film (also called as nanosheet) composed of fluoropolymer with a thickness of 130 nm, less than one-thousandth that of a 170 μm thick coverslip, is employed to replace the coverslip. Owing to its excellent characteristics, such as high optical transparency, mechanical robustness, chemical resistance, and water retention ability, nanosheet is uniquely capable of providing a coverslip-free imaging. By wrapping the tissue specimen with a nanosheet, an extra distance of 170 μm for the movement of objective lens is obtained. Results show an equivalently high resolution imaging can be obtained if a homogenous refractive index between immersion liquid and mounting media is adjusted. This method will facilitate a variety of imaging tasks with off-the-shelf high magnification objectives.
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Affiliation(s)
- Hong Zhang
- Department of Applied Chemistry, School of Engineering, Tokai University, Kanagawa, Japan
- Micro/Nano Technology Center, Tokai University, Kanagawa, Japan
| | - Kenji Yarinome
- Course of Applied Science, Graduate School of Engineering, Tokai University, Kanagawa, Japan
| | - Ryosuke Kawakami
- Research Institute for Electronic Science, Hokkaido University, Sapporo, Japan
- Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan
- Department of Molecular Medicine for Pathogenesis, Ehime University Graduate School of Medicine, Ehime, Japan
| | - Kohei Otomo
- Research Institute for Electronic Science, Hokkaido University, Sapporo, Japan
- Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan
- Exploratory Research Center on Life and Living Systems, National Institute of Natural Sciences, Aichi, Japan
- National Institute for Physiological Sciences, Aichi, Japan
- The Graduate University for Advanced Studies (SOKENDAI), Aichi, Japan
| | - Tomomi Nemoto
- Research Institute for Electronic Science, Hokkaido University, Sapporo, Japan
- Graduate School of Information Science and Technology, Hokkaido University, Sapporo, Japan
- Exploratory Research Center on Life and Living Systems, National Institute of Natural Sciences, Aichi, Japan
- National Institute for Physiological Sciences, Aichi, Japan
- The Graduate University for Advanced Studies (SOKENDAI), Aichi, Japan
| | - Yosuke Okamura
- Department of Applied Chemistry, School of Engineering, Tokai University, Kanagawa, Japan
- Micro/Nano Technology Center, Tokai University, Kanagawa, Japan
- Course of Applied Science, Graduate School of Engineering, Tokai University, Kanagawa, Japan
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17
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Zhong J, Yang Y, Liao L, Zhang C. Matrix stiffness-regulated cellular functions under different dimensionalities. Biomater Sci 2020; 8:2734-2755. [DOI: 10.1039/c9bm01809c] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The microenvironments that cells encounter with in vitro.
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Affiliation(s)
- Jiajun Zhong
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments (Sun Yat-sen University)
- School of Biomedical Engineering
- Sun Yat-Sen University
- Guangzhou
- P. R. China
| | - Yuexiong Yang
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments (Sun Yat-sen University)
- School of Biomedical Engineering
- Sun Yat-Sen University
- Guangzhou
- P. R. China
| | - Liqiong Liao
- Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering
- Biomaterials Research Center
- School of Biomedical Engineering
- Southern Medical University
- Guangzhou
| | - Chao Zhang
- Guangdong Provincial Key Laboratory of Sensor Technology and Biomedical Instruments (Sun Yat-sen University)
- School of Biomedical Engineering
- Sun Yat-Sen University
- Guangzhou
- P. R. China
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18
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Wang WH, Wang F, Zhao HF, Yan K, Huang CL, Yin Y, Huang Q, Chen ZZ, Zhu WY. Injectable Magnesium-Zinc Alloy Containing Hydrogel Complex for Bone Regeneration. Front Bioeng Biotechnol 2020; 8:617585. [PMID: 33324628 PMCID: PMC7726114 DOI: 10.3389/fbioe.2020.617585] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2020] [Accepted: 11/02/2020] [Indexed: 12/18/2022] Open
Abstract
Gelatin methacryloyl (GelMA) has been widely used in bone engineering. It can also be filled into the calvarial defects with irregular shape. However, lack of osteoinductive capacity limits its potential as a candidate repair material for calvarial defects. In this study, we developed an injectable magnesium-zinc alloy containing hydrogel complex (Mg-IHC), in which the alloy was fabricated in an atomization process and had small sphere, regular shape, and good fluidity. Mg-IHC can be injected and plastically shaped. After cross-linking, it contents the elastic modulus similar to GelMA, and has inner holes suitable for nutrient transportation. Furthermore, Mg-IHC showed promising biocompatibility according to our evaluations of its cell adhesion, growth status, and proliferating activity. The results of alkaline phosphatase (ALP) activity, ALP staining, alizarin red staining, and real-time polymerase chain reaction (PCR) further indicated that Mg-IHC could significantly promote the osteogenic differentiation of MC3T3-E1 cells and upregulate the genetic expression of collagen I (COL-I), osteocalcin (OCN), and runt-related transcription factor 2 (RUNX2). Finally, after applied to a mouse model of critical-sized calvarial defect, Mg-IHC remarkably enhanced bone formation at the defect site. All of these results suggest that Mg-IHC can promote bone regeneration and can be potentially considered as a candidate for calvarial defect repairing.
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Affiliation(s)
- Wei-Hua Wang
- Department of Neurosurgery, The Affiliated Suzhou Science and Technology Town Hospital, Nanjing Medical University, Suzhou, China
- Institute of Clinical Medicine Research, The Affiliated Suzhou Science and Technology Town Hospital, Nanjing Medical University, Suzhou, China
| | - Fei Wang
- Institute of Biomaterials and Medical Devices, Southeast University, Suzhou, China
| | - Hai-Feng Zhao
- Department of Pathology, The Affiliated Suzhou Science and Technology Town Hospital, Nanjing Medical University, Suzhou, China
| | - Ke Yan
- Department of Neurosurgery, The Affiliated Suzhou Science and Technology Town Hospital, Nanjing Medical University, Suzhou, China
| | - Cui-Ling Huang
- Department of Neurology, The Second People’s Hospital of Longgang District, Shenzhen, China
| | - Yin Yin
- Laboratory Animal Center, Soochow University, Suzhou, China
| | - Qiang Huang
- Department of Neurosurgery, The Second Affiliated Hospital, Soochow University, Suzhou, China
| | - Zao-Zao Chen
- Institute of Biomaterials and Medical Devices, Southeast University, Suzhou, China
- School of Biological Science and Medical Engineering, Southeast University, Nanjing, China
- *Correspondence: Zao-Zao Chen,
| | - Wen-Yu Zhu
- Department of Neurosurgery, The Affiliated Suzhou Science and Technology Town Hospital, Nanjing Medical University, Suzhou, China
- Institute of Clinical Medicine Research, The Affiliated Suzhou Science and Technology Town Hospital, Nanjing Medical University, Suzhou, China
- Wen-Yu Zhu,
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19
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Okada H, Kajiya H, Omata Y, Matsumoto T, Sato Y, Kobayashi T, Nakamura S, Kaneko Y, Nakamura S, Koyama T, Sudo S, Shin M, Okamoto F, Watanabe H, Tachibana N, Hirose J, Saito T, Takai T, Matsumoto M, Nakamura M, Okabe K, Miyamoto T, Tanaka S. CTLA4-Ig Directly Inhibits Osteoclastogenesis by Interfering With Intracellular Calcium Oscillations in Bone Marrow Macrophages. J Bone Miner Res 2019; 34:1744-1752. [PMID: 31067348 DOI: 10.1002/jbmr.3754] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/24/2019] [Revised: 04/15/2019] [Accepted: 04/27/2019] [Indexed: 12/31/2022]
Abstract
CTLA4-Ig (cytotoxic T-lymphocyte antigen 4-immunoglobulin; Abatacept) is a biologic drug for rheumatoid arthritis. CTLA4 binds to the CD80/86 complex of antigen-presenting cells and blocks the activation of T cells. Although previous reports showed that CTLA4-Ig directly inhibited osteoclast differentiation, the whole inhibitory mechanism of CTLA4-Ig for osteoclast differentiation is unclear. Bone marrow macrophages (BMMs) from WT mice were cultured with M-CSF and RANKL with or without the recombinant mouse chimera CTLA4-Ig. Intracellular calcium oscillations of BMMs with RANKL were detected by staining with calcium indicator fura-2 immediately after administration of CTLA4-Ig or after one day of treatment. Calcium oscillations were analyzed using Fc receptor gamma- (FcRγ-) deficient BMMs. CTLA4-Ig inhibited osteoclast differentiation and reduced the expression of the nuclear factor of activated T cells NFATc1 in BMMs in vitro. Calcium oscillations in BMMs were suppressed by CTLA4-Ig both immediately after administration and after one day of treatment. CTLA4-Ig did not affect osteoclastogenesis and did not cause remarkable changes in calcium oscillations in FcRγ-deficient BMMs. Finally, to analyze the effect of CTLA4-Ig in vivo, we used an LPS-induced osteolysis model. CTLA4-Ig suppressed LPS-induced bone resorption in WT mice, not in FcRγ-deficient mice. In conclusion, CTLA4-Ig inhibits intracellular calcium oscillations depending on FcRγ and downregulates NFATc1 expression in BMMs. © 2019 American Society for Bone and Mineral Research.
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Affiliation(s)
- Hiroyuki Okada
- Department of Orthopaedic Surgery, The University of Tokyo, Tokyo, Japan
| | - Hiroshi Kajiya
- Department of Physiological Science and Molecular Biology, Fukuoka Dental College, Fukuoka, Japan
| | - Yasunori Omata
- Department of Orthopaedic Surgery, The University of Tokyo, Tokyo, Japan
| | - Takumi Matsumoto
- Department of Orthopaedic Surgery, The University of Tokyo, Tokyo, Japan
| | - Yuiko Sato
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Tami Kobayashi
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Satoshi Nakamura
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Yosuke Kaneko
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Shinya Nakamura
- Department of Orthopaedic Surgery, The University of Tokyo, Tokyo, Japan
| | - Takuma Koyama
- Department of Orthopaedic Surgery, The University of Tokyo, Tokyo, Japan
| | - Shunichi Sudo
- Department of Physiological Science and Molecular Biology, Fukuoka Dental College, Fukuoka, Japan
| | - Masashi Shin
- Department of Physiological Science and Molecular Biology, Fukuoka Dental College, Fukuoka, Japan
| | - Fujio Okamoto
- Department of Physiological Science and Molecular Biology, Fukuoka Dental College, Fukuoka, Japan
| | - Hisato Watanabe
- Department of Orthopaedic Surgery, The University of Tokyo, Tokyo, Japan
| | - Naohiro Tachibana
- Department of Orthopaedic Surgery, The University of Tokyo, Tokyo, Japan
| | - Jun Hirose
- Department of Orthopaedic Surgery, The University of Tokyo, Tokyo, Japan
| | - Taku Saito
- Department of Orthopaedic Surgery, The University of Tokyo, Tokyo, Japan
| | - Toshiyuki Takai
- Department of Experimental Immunology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Fukuoka, Japan
| | - Morio Matsumoto
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Masaya Nakamura
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan
| | - Koji Okabe
- Department of Physiological Science and Molecular Biology, Fukuoka Dental College, Fukuoka, Japan
| | - Takeshi Miyamoto
- Department of Orthopedic Surgery, Keio University School of Medicine, Tokyo, Japan.,Department of Orthopaedic Surgery, Kumamoto University, Kumamoto, Japan
| | - Sakae Tanaka
- Department of Orthopaedic Surgery, The University of Tokyo, Tokyo, Japan
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20
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Donos N, Dereka X, Calciolari E. The use of bioactive factors to enhance bone regeneration: A narrative review. J Clin Periodontol 2019; 46 Suppl 21:124-161. [DOI: 10.1111/jcpe.13048] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2018] [Revised: 11/08/2018] [Accepted: 12/20/2018] [Indexed: 12/17/2022]
Affiliation(s)
- Nikos Donos
- Centre for Oral Immunobiology & Regenerative Medicine & Centre for Oral Clinical Research (COCR); Institute of Dentistry, Barts & The London School of Medicine & Dentistry; Queen Mary University of London (QMUL); London UK
| | - Xanthippi Dereka
- Centre for Oral Immunobiology & Regenerative Medicine & Centre for Oral Clinical Research (COCR); Institute of Dentistry, Barts & The London School of Medicine & Dentistry; Queen Mary University of London (QMUL); London UK
- Department of Periodontology; School of Dentistry; National and Kapodistrian University of Athens; Athens Greece
| | - Elena Calciolari
- Centre for Oral Immunobiology & Regenerative Medicine & Centre for Oral Clinical Research (COCR); Institute of Dentistry, Barts & The London School of Medicine & Dentistry; Queen Mary University of London (QMUL); London UK
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21
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Multi-layered PLLA-nanosheets loaded with FGF-2 induce robust bone regeneration with controlled release in critical-sized mouse femoral defects. Acta Biomater 2019; 85:172-179. [PMID: 30583110 DOI: 10.1016/j.actbio.2018.12.031] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 12/08/2018] [Accepted: 12/20/2018] [Indexed: 12/31/2022]
Abstract
To overcome clinical issues caused by large bone defects and subsequent nonunion, various approaches to bone regeneration have been researched, including tissue engineering, biomaterials, stem cells and drug screening. Previously, we developed a free-standing biodegradable polymer nanosheet composed of poly(L-lactic acid) (PLLA) using a simple fabrication process consisting of spin-coating and peeling techniques. We reported that sandwich-type PLLA nanosheets loaded with recombinant human bone morphogenetic protein-2 (rhBMP-2) displayed long-lasting, sustained release of rhBMP-2, and markedly enhanced bone regeneration in mouse calvarial bone defects. Here, we fabricated multi-layered nanosheets loaded with fibroblast growth factor-2 (FGF-2), and investigated their application for long bone regeneration. Subcutaneously implanted tri-layered PLLA nanosheets displayed sustained release of loaded rhFGF-2 for about 2 weeks. Next, we prepared critical-sized mouse femoral defects and implanted mono- or tri-layered nanosheets, or a gelatin hydrogel with rhFGF-2. Amongst these conditions, the tri-layered nanosheet most efficiently induced bone regeneration. Indeed, bone regeneration was enhanced even after 4 weeks in the tri-layered nanosheet group, and was accompanied by FGFR1 activation and subsequent osteoblast differentiation. Multi-layered PLLA nanosheets loaded with rhFGF-2 may be useful for bone regenerative medicine. Furthermore, the multi-layered PLLA nanosheet structure may potentially be applied as a potent sustained-release carrier. STATEMENTS OF SIGNIFICANCE: Here, we describe multi-layered poly(L-lactic acid) (PLLA) nanosheets loaded with recombinant human fibroblast growth factor-2 (rhFGF-2) as a modified sustained-release carrier for bone regeneration. In vivo imaging system analysis revealed that subcutaneously implanted tri-layered PLLA nanosheets displayed sustained release of loaded rhFGF-2 for 2 weeks. In critical-sized mouse femoral defects, tri-layered nanosheets loaded with rhFGF-2 most efficiently induced bone regeneration. Notably, bone regeneration was enhanced even after 4 weeks in the tri-layered nanosheet group, and was accompanied by FGFR1 activation and subsequent osteoblast differentiation. Multi-layered PLLA nanosheets loaded with rhFGF-2 may be useful for bone regenerative medicine. Furthermore, the multi-layered PLLA nanosheet structure may potentially be applied as a potent sustained-release carrier.
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Chen Y, Ye SH, Sato H, Zhu Y, Shanov V, Tiasha T, D'Amore A, Luketich S, Wan G, Wagner WR. Hybrid scaffolds of Mg alloy mesh reinforced polymer/extracellular matrix composite for critical-sized calvarial defect reconstruction. J Tissue Eng Regen Med 2018; 12:1374-1388. [DOI: 10.1002/term.2668] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2017] [Revised: 02/07/2018] [Accepted: 04/11/2018] [Indexed: 12/20/2022]
Affiliation(s)
- Yingqi Chen
- McGowan Institute for Regenerative Medicine; University of Pittsburgh; Pittsburgh PA USA
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, College of Materials Science and Engineering; Southwest Jiaotong University; Chengdu China
| | - Sang-Ho Ye
- McGowan Institute for Regenerative Medicine; University of Pittsburgh; Pittsburgh PA USA
| | - Hideyoshi Sato
- McGowan Institute for Regenerative Medicine; University of Pittsburgh; Pittsburgh PA USA
| | - Yang Zhu
- McGowan Institute for Regenerative Medicine; University of Pittsburgh; Pittsburgh PA USA
| | - Vesselin Shanov
- College of Engineering and Applied Science; University of Cincinnati; Cincinnati OH USA
| | - Tarannum Tiasha
- College of Engineering and Applied Science; University of Cincinnati; Cincinnati OH USA
| | - Antonio D'Amore
- McGowan Institute for Regenerative Medicine; University of Pittsburgh; Pittsburgh PA USA
| | - Samuel Luketich
- McGowan Institute for Regenerative Medicine; University of Pittsburgh; Pittsburgh PA USA
| | - Guojiang Wan
- Key Laboratory of Advanced Technologies of Materials, Ministry of Education, College of Materials Science and Engineering; Southwest Jiaotong University; Chengdu China
| | - William R. Wagner
- McGowan Institute for Regenerative Medicine; University of Pittsburgh; Pittsburgh PA USA
- Department of Surgery; University of Pittsburgh; Pittsburgh PA USA
- Department of Chemical Engineering; University of Pittsburgh; Pittsburgh PA USA
- Department of Bioengineering; University of Pittsburgh; Pittsburgh PA USA
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Linderman SW, Golman M, Gardner TR, Birman V, Levine WN, Genin GM, Thomopoulos S. Enhanced tendon-to-bone repair through adhesive films. Acta Biomater 2018; 70:165-176. [PMID: 29427745 DOI: 10.1016/j.actbio.2018.01.032] [Citation(s) in RCA: 20] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2017] [Revised: 01/04/2018] [Accepted: 01/23/2018] [Indexed: 12/16/2022]
Abstract
Tendon-to-bone surgical repairs have unacceptably high failure rates, possibly due to their inability to recreate the load transfer mechanisms of the native enthesis. Instead of distributing load across a wide attachment footprint area, surgical repairs concentrate shear stress on a small number of suture anchor points. This motivates development of technologies that distribute shear stresses away from suture anchors and across the enthesis footprint. Here, we present predictions and proof-of-concept experiments showing that mechanically-optimized adhesive films can mimic the natural load transfer mechanisms of the healthy attachment and increase the load tolerance of a repair. Mechanical optimization, based upon a shear lag model corroborated by a finite element analysis, revealed that adhesives with relatively high strength and low stiffness can, theoretically, strengthen tendon-to-bone repairs by over 10-fold. Lap shear testing using tendon and bone planks validated the mechanical models for a range of adhesive stiffnesses and strengths. Ex vivo human supraspinatus repairs of cadaveric tissues using multipartite adhesives showed substantial increase in strength. Results suggest that adhesive-enhanced repair can improve repair strength, and motivate a search for optimal adhesives. STATEMENT OF SIGNIFICANCE Current surgical techniques for tendon-to-bone repair have unacceptably high failure rates, indicating that the initial repair strength is insufficient to prevent gapping or rupture. In the rotator cuff, repair techniques apply compression over the repair interface to achieve contact healing between tendon and bone, but transfer almost all force in shear across only a few points where sutures puncture the tendon. Therefore, we evaluated the ability of an adhesive film, implanted between tendon and bone, to enhance repair strength and minimize the likelihood of rupture. Mechanical models demonstrated that optimally designed adhesives would improve repair strength by over 10-fold. Experiments using idealized and clinically-relevant repairs validated these models. This work demonstrates an opportunity to dramatically improve tendon-to-bone repair strength using adhesive films with appropriate material properties.
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Fujii Y, Kawase-Koga Y, Hojo H, Yano F, Sato M, Chung UI, Ohba S, Chikazu D. Bone regeneration by human dental pulp stem cells using a helioxanthin derivative and cell-sheet technology. Stem Cell Res Ther 2018; 9:24. [PMID: 29391049 PMCID: PMC5796442 DOI: 10.1186/s13287-018-0783-7] [Citation(s) in RCA: 56] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 12/26/2017] [Accepted: 01/17/2018] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Human dental pulp stem cells (DPSCs), which have the ability to differentiate into multiple lineages, were recently identified. DPSCs can be collected readily from extracted teeth and are now considered to be a type of mesenchymal stem cell with higher clonogenic and proliferative potential than bone marrow stem cells (BMSCs). Meanwhile, the treatment of severe bone defects, such as fractures, cancers, and congenital abnormalities, remains a great challenge, and novel bone regenerative techniques are highly anticipated. Several studies have previously shown that 4-(4-methoxyphenyl)pyrido[40,30:4,5]thieno[2,3-b]pyridine-2-carboxamide (TH), a helioxanthin derivative, induces osteogenic differentiation of preosteoblastic and mesenchymal cells. However, the osteogenic differentiation activities of TH have only been confirmed in some mouse cell lines. Therefore, in this study, toward the clinical use of TH in humans, we analyzed the effect of TH on the osteogenic differentiation of DPSCs, and the in-vivo osteogenesis ability of TH-induced DPSCs, taking advantage of the simple transplantation system using cell-sheet technology. METHODS DPSCs were obtained from dental pulp of the wisdom teeth of five healthy patients (18-22 years old) and cultured in regular medium and osteogenic medium with or without TH. To evaluate osteogenesis of TH-induced DPSCs in vivo, we transplanted DPSC sheets into mouse calvaria defects. RESULTS We demonstrated that osteogenic conditions with TH induce the osteogenic differentiation of DPSCs more efficiently than those without TH and those with bone morphogenetic protein-2. However, regular medium with TH did not induce the osteogenic differentiation of DPSCs. TH induced osteogenesis in both DPSCs and BMSCs, although the gene expression pattern in DPSCs differed from that in BMSCs up to 14 days after induction with TH. Furthermore, we succeeded in bone regeneration in vivo using DPSC sheets with TH treatment, without using any scaffolds or growth factors. CONCLUSIONS Our results demonstrate that TH-induced DPSCs are a useful cell source for bone regenerative medicine, and the transplantation of DPSC sheets treated with TH is a convenient scaffold-free method of bone healing.
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Affiliation(s)
- Yasuyuki Fujii
- Department of Oral and Maxillofacial Surgery, Tokyo Medical University Hospital, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Yoko Kawase-Koga
- Department of Oral and Maxillofacial Surgery, Tokyo Medical University Hospital, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan.
| | - Hironori Hojo
- Division of Clinical Biotechnology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Fumiko Yano
- Sensory and Motor System Medicine, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Marika Sato
- Department of Oral and Maxillofacial Surgery, Tokyo Medical University Hospital, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
| | - Ung-Il Chung
- Division of Clinical Biotechnology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.,Department of Bioengineering, The University of Tokyo Graduate School of Engineering, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Shinsuke Ohba
- Division of Clinical Biotechnology, Graduate School of Medicine, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan.,Department of Bioengineering, The University of Tokyo Graduate School of Engineering, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-8655, Japan
| | - Daichi Chikazu
- Department of Oral and Maxillofacial Surgery, Tokyo Medical University Hospital, 6-7-1 Nishishinjuku, Shinjuku-ku, Tokyo, 160-0023, Japan
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