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Müller WEG, Neufurth M, Wang S, Schröder HC, Wang X. Polyphosphate Nanoparticles: Balancing Energy Requirements in Tissue Regeneration Processes. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2309528. [PMID: 38470207 DOI: 10.1002/smll.202309528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 01/29/2024] [Indexed: 03/13/2024]
Abstract
Nanoparticles of a particular, evolutionarily old inorganic polymer found across the biological kingdoms have attracted increasing interest in recent years not only because of their crucial role in metabolism but also their potential medical applicability: it is inorganic polyphosphate (polyP). This ubiquitous linear polymer is composed of 10-1000 phosphate residues linked by high-energy anhydride bonds. PolyP causes induction of gene activity, provides phosphate for bone mineralization, and serves as an energy supplier through enzymatic cleavage of its acid anhydride bonds and subsequent ATP formation. The biomedical breakthrough of polyP came with the development of a successful fabrication process, in depot form, as Ca- or Mg-polyP nanoparticles, or as the directly effective polymer, as soluble Na-polyP, for regenerative repair and healing processes, especially in tissue areas with insufficient blood supply. Physiologically, the platelets are the main vehicles for polyP nanoparticles in the circulating blood. To be biomedically active, these particles undergo coacervation. This review provides an overview of the properties of polyP and polyP nanoparticles for applications in the regeneration and repair of bone, cartilage, and skin. In addition to studies on animal models, the first successful proof-of-concept studies on humans for the healing of chronic wounds are outlined.
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Affiliation(s)
- Werner E G Müller
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, D-55128, Mainz, Germany
| | - Meik Neufurth
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, D-55128, Mainz, Germany
| | - Shunfeng Wang
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, D-55128, Mainz, Germany
| | - Heinz C Schröder
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, D-55128, Mainz, Germany
| | - Xiaohong Wang
- ERC Advanced Investigator Grant Research Group at the Institute for Physiological Chemistry, University Medical Center of the Johannes Gutenberg University, Duesbergweg 6, D-55128, Mainz, Germany
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Chimedtseren I, Yamahara S, Akiyama Y, Ito M, Arai Y, Gantugs AE, Nastume N, Wakita T, Hiratsuka T, Honda M, Montenegro Raudales JL. Collagen type I-based recombinant peptide promotes bone regeneration in rat critical-size calvarial defects by enhancing osteoclast activity at late stages of healing. Regen Ther 2023; 24:515-527. [PMID: 37841660 PMCID: PMC10570703 DOI: 10.1016/j.reth.2023.09.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/10/2023] [Accepted: 09/21/2023] [Indexed: 10/17/2023] Open
Abstract
Introduction We recently demonstrated the bone-forming potential of medium-cross-linked recombinant collagen peptide (mRCP) in animal models of bone defects. However, these studies were limited to a 4-week observation period; therefore, in the present study, we aimed to further evaluate mRCP as a suitable bone graft material for the alveolar cleft by analyzing its bone-forming potential, osteogenic-inducing ability, and biodegradation over an extended period of 12 weeks, using a rat critical-size calvarial defect model. Methods Using Sprague-Dawley rats, we created critical-size calvarial defects through a surgical procedure. The defects were then filled with 3 mg of mRCP (mRCP group) or 18 mg of Cytrans® (CA) granules, which has a carbonate apatite-based composition resembling natural bone, was used as a reference material (CA group). For negative control, the defects were left untreated. Bone volume, total bone volume (bone volume including CA granules), and bone mineral density (BMD) in the defect were assessed using micro-computed tomography (μ-CT) at 0, 4, 8, and 12 weeks after implantation. Using histomorphometric analyses of hematoxylin and eosin (H&E)-stained sections, we measured the amount of newly formed bone and total newly formed bone (new bone including CA granules) in the entire defect site, as well as the amount of newly formed bone in the central side, two peripheral sides (left and right), periosteal (top) side, and dura mater (bottom) side. In addition, we measured the amount of residual bone graft material in the defect. Osteoclasts and osteoblasts in the newly formed bone were detected using tartrate-resistant acid phosphatase (TRAP) and alkaline phosphatase (ALP) staining, respectively. Results Bone volume in the mRCP group increased over time and was significantly larger at 8 and 12 weeks after surgery than at 4 weeks. The bone volume in the mRCP group was greater than that of the CA and control groups at 4, 8, and 12 weeks after implantation, and while the total bone volume was greater in the CA group after 4 and 8 weeks, the mRCP group had comparable levels of total bone volume to that of the CA group at 12 weeks after implantation. The BMD of the mRCP group reached similar levels to native calvaria bone at the same time point. H&E-stained sections revealed a larger amount of newly formed bone 12 weeks after implantation in the mRCP group compared to that of the CA and control groups. The total newly formed bone at 12 weeks after implantation was on par with that in the CA group. Furthermore, at the defect site, the area of newly formed bone was larger on the peripheral and dura mater sides. Notably, the number of osteoclasts in the mRCP group was higher than in the CA and control groups and peaked 8 weeks after implantation, which coincided with the timing of the greatest resorption of mRCP. Although the ALP-positive area was greater in the mRCP group compared to other groups, we did not detect any significant changes in the number of osteoblasts over time. Conclusion This study demonstrated the bone-forming potential of mRCP over an extended period of 12 weeks, suggesting that mRCP sufficiently resists resorption to promote bone formation through induction of osteoclast activation in the late stages of the healing period.
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Affiliation(s)
- Ichinnorov Chimedtseren
- Division of Research and Treatment for Oral and Maxillofacial Congenital Anomalies, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, Aichi, 464-8651, Japan
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya, Aichi 464-8650, Japan
| | - Shoji Yamahara
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya, Aichi 464-8650, Japan
- Department of Orthodontics, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, Aichi, 464-8651, Japan
| | - Yasunori Akiyama
- Division of Research and Treatment for Oral and Maxillofacial Congenital Anomalies, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, Aichi, 464-8651, Japan
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya, Aichi 464-8650, Japan
| | - Masaaki Ito
- Division of Research and Treatment for Oral and Maxillofacial Congenital Anomalies, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, Aichi, 464-8651, Japan
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya, Aichi 464-8650, Japan
| | - Yoshinori Arai
- Department of Oral and Maxillofacial Radiology, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-8310, Japan
| | - Anar Erdene Gantugs
- Division of Research and Treatment for Oral and Maxillofacial Congenital Anomalies, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, Aichi, 464-8651, Japan
| | - Nagato Nastume
- Division of Research and Treatment for Oral and Maxillofacial Congenital Anomalies, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, Aichi, 464-8651, Japan
| | - Taku Wakita
- Bio Science & Engineering Laboratory, FUJIFILM Corporation, 577 Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa 258-8577, Japan
| | - Takahiro Hiratsuka
- Bio Science & Engineering Laboratory, FUJIFILM Corporation, 577 Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa 258-8577, Japan
| | - Masaki Honda
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya, Aichi 464-8650, Japan
| | - Jorge Luis Montenegro Raudales
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya, Aichi 464-8650, Japan
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Muench LN, Tamburini L, Kriscenski D, Berthold DP, Rupp MC, Cote MP, McCarthy MB, Mazzocca AD. The effect of augmenting suture material with magnesium and platelet-rich plasma on the in vitro adhesion and proliferation potential of subacromial bursa-derived progenitor cells. JSES Int 2023; 7:2367-2372. [PMID: 37969491 PMCID: PMC10638578 DOI: 10.1016/j.jseint.2023.06.027] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2023] Open
Abstract
Background Connective tissue subacromial bursa-derived progenitor cells (SBDCs) have been suggested as a potent biologic augment to promote healing of the repaired rotator cuff tendon. Maximizing the amount of retained progenitor cells at the tendon repair site is essential for ensuring an optimal healing environment, warranting a search for proadhesive and proliferative adjuvants. The purpose was to evaluate the effect of magnesium (Mg), platelet-rich plasma (PRP), and a combination of both adjuvants on the in vitro cellular adhesion and proliferation potential of SBDCs on suture material commonly used in rotator cuff surgery. Methods SBDCs were isolated from subacromial bursa samples harvested during rotator cuff repair and cultured in growth media. Commercially available collagen-coated nonabsorbable flat-braided suture was cut into 1-inch pieces, placed into 48-well culture dishes, and sterilized under ultraviolet light. Either a one-time dose of 5 mM sterile Mg, 0.2 mL of PRP, or a combination of both adjuvants was added, while a group without treatment served as a negative control. Cellular proliferation and adhesion assays on suture material were performed for each treatment condition. Results Augmenting the suture with Mg resulted in a significantly increased cellular adhesion (total number of attached cells) of SBDCs compared to PRP alone (31,527 ± 19,884 vs. 13,619 ± 8808; P < .001), no treatment (31,527 ± 19,884 vs. 21,643 ± 8194; P = .016), and combination of both adjuvants (31,527 ± 19,884 vs. 17,121 ± 11,935; P < .001). Further, augmentation with Mg achieved a significant increase in cellular proliferation (absorbance) of SBDCs on suture material when compared to the PRP (0.516 ± 0.207 vs. 0.424 ± 0.131; P = .001) and no treatment (0.516 ± 0.207 vs. 0.383 ± 0.094; P < .001) group. The combination of Mg and PRP showed a significantly higher proliferation potential compared to PRP alone (0.512 ± 0.194 vs. 0.424 ± 0.131; P = .001) and no treatment (0.512 ± 0.194 vs. 0.383 ± 0.094; P < .001). There were no significant differences in the remaining intergroup comparisons (P > .05, respectively). Conclusion Augmenting suture material with Mg resulted in a significantly increased cellular adhesion of SBDCs compared to untreated suture material, as well as augmentation with PRP alone or a combination of both adjuvants. Further, Mg with or without PRP augmentation achieved a significant increase in the cellular proliferation of SBDCs on suture material compared to untreated sutures and augmentation with PRP alone. Application of Mg may be a clinically feasible approach to optimizing the use of SBDCs as a biological augment in rotator cuff repair, while combined augmentation with PRP may harness the full potential for optimized tissue recovery due to the high concentration of PRP-derived growth factors.
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Affiliation(s)
- Lukas N. Muench
- Department of Sports Orthopaedics, Technical University of Munich, Munich, Germany
| | - Lisa Tamburini
- Department of Orthopaedic Surgery, University of Connecticut, Farmington, CT, USA
| | - Danielle Kriscenski
- Department of Orthopaedic Surgery, University of Connecticut, Farmington, CT, USA
| | - Daniel P. Berthold
- Department of Orthopaedics and Trauma Surgery, Musculoskeletal University Center Munich (MUM), University Hospital, LMU, Munich, Germany
| | | | - Mark P. Cote
- Department of Orthopaedic Surgery, University of Connecticut, Farmington, CT, USA
| | - Mary Beth McCarthy
- Department of Orthopaedic Surgery, University of Connecticut, Farmington, CT, USA
| | - Augustus D. Mazzocca
- Massachusetts General Hospital, Massachusetts General Brigham, Harvard Medical School, Boston, MA, USA
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Noh S, Jin YJ, Shin DI, Kwon HJ, Yun HW, Kim KM, Park JY, Chung JY, Park DY. Selective Extracellular Matrix Guided Mesenchymal Stem Cell Self-Aggregate Engineering for Replication of Meniscal Zonal Tissue Gradient in a Porcine Meniscectomy Model. Adv Healthc Mater 2023; 12:e2301180. [PMID: 37463568 DOI: 10.1002/adhm.202301180] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 06/13/2023] [Accepted: 07/14/2023] [Indexed: 07/20/2023]
Abstract
Degenerative meniscus tears (DMTs) are prevalent findings in osteoarthritic knees, yet current treatment is mostly limited to arthroscopic partial meniscectomy rather than regeneration, which further exacerbates arthritic changes. Translational research regarding meniscus regeneration is hindered by the complex, composite nature of the meniscus which exhibit a gradient from inner cartilage-like tissue to outer fibrous tissue, as well as engineering hurdles often requiring growth factors and cross-linking agents. Here, a meniscus zonal tissue gradient is proposed using zone-specific decellularized meniscus extracellular matrix (DMECM) and autologous synovial mesenchymal stem cells (SMSC) via self-aggregation without the use of growth factors or cross-linking agents. Combination with zone-specific DMECM during self-aggregation of MSCs forms zone-specific meniscus tissue that reflects the respective DMECM harvest site. The implantation of these constructs leads to the regeneration of meniscus tissue resembling the native meniscus, demonstrating inner cartilaginous and outer fibrous characteristics as well as recovery of native meniscal microarchitecture in a porcine partial meniscectomy model at 6 months. In all, the findings offer a potential regenerative therapy for DMTs that may improve current partial meniscectomy-based patient care.
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Affiliation(s)
- Sujin Noh
- Department of Biomedical Sciences, Graduate School of Ajou University, Suwon, 16499, Republic of Korea
| | - Yong Jun Jin
- Department of Orthopedic Surgery, School of Medicine, Ajou University, Suwon, 16499, Republic of Korea
| | - Dong Il Shin
- Department of Molecular Science and Technology, Ajou University, Suwon, 16499, Republic of Korea
| | - Hyeon Jae Kwon
- Department of Molecular Science and Technology, Ajou University, Suwon, 16499, Republic of Korea
| | - Hee-Woong Yun
- Department of Orthopedic Surgery, School of Medicine, Ajou University, Suwon, 16499, Republic of Korea
- Cell Therapy Center, Ajou Medical Center, Suwon, 16499, Republic of Korea
| | - Kyu Min Kim
- Cell Therapy Center, Ajou Medical Center, Suwon, 16499, Republic of Korea
| | - Jae-Young Park
- Department of Orthopedics Surgery, CHA University Bundang Medical Center, Bundang-gu, Seongnam-si, Gyeonggi-do, 13496, Republic of Korea
| | - Jun Young Chung
- Department of Orthopedic Surgery, School of Medicine, Ajou University, Suwon, 16499, Republic of Korea
| | - Do Young Park
- Department of Biomedical Sciences, Graduate School of Ajou University, Suwon, 16499, Republic of Korea
- Department of Orthopedic Surgery, School of Medicine, Ajou University, Suwon, 16499, Republic of Korea
- Cell Therapy Center, Ajou Medical Center, Suwon, 16499, Republic of Korea
- Ajou University, Leading Convergence of Healthcare and Medicine, Institute of Science & Technology (ALCHeMIST), Suwon, 16499, Republic of Korea
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Liao Z, Fu L, Li P, Wu J, Yuan X, Ning C, Ding Z, Sui X, Liu S, Guo Q. Incorporation of Magnesium Ions into an Aptamer-Functionalized ECM Bioactive Scaffold for Articular Cartilage Regeneration. ACS APPLIED MATERIALS & INTERFACES 2023; 15:22944-22958. [PMID: 37134259 DOI: 10.1021/acsami.3c02317] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
The regeneration and reconstruction of articular cartilage (AC) after a defect are often difficult. The key to the treatment of AC defects lies in regeneration of the defect site and regulation of the inflammatory response. In this investigation, a bioactive multifunctional scaffold was formulated using the aptamer Apt19S as a mediator for mesenchymal stem cell (MSC)-specific recruitment and the enhancement of cellular chondrogenic and inflammatory regulation through the incorporation of Mg2+. Apt19S, which can recruit MSCs in vitro and in vivo, was chemically conjugated to a decellularized cartilage extracellular matrix (ECM)-lysed scaffold. The results from in vitro experiments using the resulting scaffold demonstrated that the inclusion of Mg2+ could stimulate not only the chondrogenic differentiation of synovial MSCs but also the increased polarization of macrophages toward the M2 phenotype. Additionally, Mg2+ inhibited NLRP3 inflammasome activation, thereby decreasing chondrocyte pyroptosis. Subsequently, Mg2+ was incorporated into the bioactive multifunctional scaffold, and the resulting scaffold promoted cartilage regeneration in vivo. In conclusion, this study confirms that the combination of Mg2+ and aptamer-functionalized ECM scaffolds is a promising strategy for AC regeneration based on in situ tissue engineering and early inflammatory regulation.
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Affiliation(s)
- Zhiyao Liao
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
- Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Institute of Orthopedics, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, People's Republic of China
| | - Liwei Fu
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
- Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Institute of Orthopedics, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, People's Republic of China
| | - Pinxue Li
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
- Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Institute of Orthopedics, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, People's Republic of China
| | - Jiang Wu
- Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Institute of Orthopedics, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, People's Republic of China
| | - Xun Yuan
- Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Institute of Orthopedics, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, People's Republic of China
| | - Chao Ning
- Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Institute of Orthopedics, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, People's Republic of China
| | - Zhengang Ding
- Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Institute of Orthopedics, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, People's Republic of China
| | - Xiang Sui
- Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Institute of Orthopedics, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, People's Republic of China
| | - Shuyun Liu
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
- Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Institute of Orthopedics, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, People's Republic of China
| | - Quanyi Guo
- School of Medicine, Nankai University, Tianjin 300071, People's Republic of China
- Beijing Key Laboratory of Regenerative Medicine in Orthopedics, Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Institute of Orthopedics, Chinese PLA General Hospital, No. 28 Fuxing Road, Haidian District, Beijing 100853, People's Republic of China
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Luo M, Chen M, Bai J, Chen T, He S, Peng W, Wang J, Zhi W, Weng J. A bionic composite hydrogel with dual regulatory functions for the osteochondral repair. Colloids Surf B Biointerfaces 2022; 219:112821. [PMID: 36108368 DOI: 10.1016/j.colsurfb.2022.112821] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Revised: 08/18/2022] [Accepted: 08/30/2022] [Indexed: 12/20/2022]
Abstract
Due to the avascular nature of cartilage, it is difficult to heal and regenerate spontaneously after injury. At present, tissue engineering has become a promising strategy for repairing damaged cartilage, but the use of seed cells and growth factors is limited. In addition, the importance of mechanical compatibility of scaffold materials is often ignored. In this study, osteochondral scaffold was designed as a bilayer structure with a dense γ-Polyglutamic acid/carboxymethyl chitosan/bacterial cellulose (PGA/CMCS/BC) hydrogel cartilage layer and a porous nano HA-containing PGA/CMCS/BC hydrogel osteogenic layer. In addition, bioactive ions were introduced into the hydrogel scaffold to adjust the mechanical and swelling properties of the material to match the mechanical properties of natural articular cartilage. At the same time, based on the structural characteristics of bone and cartilage, magnesium and copper ions were introduced into the double-layer hydrogel scaffold, respectively, to prepare the cartilage layer and the bone layer, which endowed the material with excellent antibacterial properties and achieved the purpose of the integrated repair of bone and cartilage. The results showed that, after adding magnesium ions, the tensile breaking strength of material was increased from 0.66 MPa to 1.37 MPa,the corresponding compression modulus of the material (strain 0-12%) increased from 0.15 MPa to 0.58 MPa whilst the maximum mass swelling rate decreased from 155% to 75%. The results of in vivo experiments show that the group with bioactive ions had a much better effect on the repair of osteochondral defects, compared with group without bioactive ions, demonstrating such double ion regulation strategy is a very practical strategy for the treatment of osteochondral defects.
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Affiliation(s)
- Minyue Luo
- Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Mingxia Chen
- Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Jiafan Bai
- Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Taijun Chen
- Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Siyuan He
- Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Wenzhen Peng
- Department of Biochemistry and Molecular Biology, College of Basic and Forensic Medicine, Sichuan University, Chengdu 610041, China
| | - Jianxin Wang
- Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China.
| | - Wei Zhi
- Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
| | - Jie Weng
- Laboratory of Advanced Technologies of Materials, Ministry of Education, School of Materials Science and Engineering, Southwest Jiaotong University, Chengdu 610031, China
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Kitahashi T, Kogawa R, Nakamura K, Sekiya I. Integrin β1, PDGFRβ, and type II collagen are essential for meniscus regeneration by synovial mesenchymal stem cells in rats. Sci Rep 2022; 12:14148. [PMID: 35986079 PMCID: PMC9391488 DOI: 10.1038/s41598-022-18476-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2022] [Accepted: 08/12/2022] [Indexed: 11/09/2022] Open
Abstract
AbstractSynovial mesenchymal stem cells (MSCs) injected into the knee promote meniscus regeneration in several animal models; however, the mode of action is unknown. Our purpose was to identify the molecules responsible for this meniscus regeneration. Rat synovial MSCs were treated with neutralizing antibodies for integrin β1, PDGFRβ, or CD44 or with the CRISPR/Cas9 system to delete Vcam1, Tnfr1, or Col2a1 genes. After partial meniscectomy, rat knees were injected with MSCs, and the regenerated meniscus area was quantified three weeks later. The in vivo and in vitro functions were compared between the treated and control MSCs. Anti-integrin β1 neutralizing antibody inhibited in vitro MSC adhesion to collagen-coated chambers, anti-PDGFRβ neutralizing antibody inhibited proliferation in culture dishes, and Col2a1 deletion inhibited in vitro chondrogenesis. In vivo, the regenerated meniscus area was significantly smaller after injection of MSCs treated with integrin β1 and PDGFRβ neutralizing antibodies or lacking type II collagen gene than after control MSC injection. By contrast, the regenerated areas were similar after injection of control, CD44-, Vcam1-, or Tnfr1 treated MSCs (n = 12–16) MSCs. Synovial MSCs injected into the knee joint promoted meniscus regeneration by adhesion to integrin β1 in the meniscectomized region, proliferation by PDGFRβ, and cartilage matrix production from type II collagen.
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Wu G, Ma F, Liu Z, Liu J, Xue Y, Zhang M, Wen C, Tang B, Lin L. Hybrid composites with magnesium-containing glycosaminoglycans as a chondroconducive matrix for osteoarthritic cartilage repair. Int J Biol Macromol 2022; 220:1104-1113. [PMID: 35981680 DOI: 10.1016/j.ijbiomac.2022.08.071] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2022] [Revised: 07/29/2022] [Accepted: 08/10/2022] [Indexed: 11/25/2022]
Abstract
The alteration of the extracellular matrix (ECM) homeostasis plays an important role in the development of osteoarthritis (OA). The pathological changes of OA are mainly manifested in the large reduction of components in ECM, like type II collagen and aggrecan, especially hyaluronic acid and chondroitin sulfate and often accompanied by inflammation. Rebuilding ECM and inhibiting inflammation may reverse OA progression. In this work, we developed new magnesium-containing glycosaminoglycans (Mg-GAGs), to create a positive ECM condition for promoting cartilage regeneration and alleviating OA. In vitro results suggested that the introduction of Mg-GAGs contributed to promoting chondrocyte proliferation and facilitated upregulating chondrogenic genes and suppressed inflammation-related factors. Moreover, Mg-GAGs exhibited positive effects on suppressing synovial inflammation, reducing chondrocyte apoptosis and preserving the subchondral bone in the ACLT-induced OA rabbit model. This study provides new insight into ECM-based therapeutic strategy and opens a new avenue for the development of novel OA treatment.
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Affiliation(s)
- Guofeng Wu
- Department of Joint and Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, PR China; Department of Orthopedics, Southern University of Science and Technology Hospital, Shenzhen, Guangdong, PR China; Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, PR China
| | - Fenbo Ma
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, PR China
| | - Zhengwei Liu
- Department of Joint and Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, PR China; Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, PR China
| | - Jiayi Liu
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, PR China
| | - Yizhebang Xue
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, PR China
| | - Mengdi Zhang
- Department of Sports Medicine, Peking University Shenzhen Hospital, Shenzhen, Guangdong, PR China
| | - Chunyi Wen
- Department of Biomedical Engineering, Faculty of Engineering, The Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Bin Tang
- Department of Biomedical Engineering, Southern University of Science and Technology, Shenzhen, Guangdong, PR China; Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, PR China.
| | - Lijun Lin
- Department of Joint and Orthopedics, Zhujiang Hospital, Southern Medical University, Guangzhou, Guangdong, PR China.
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9
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Chen Y, Chen Y, Xiong X, Cui R, Zhang G, Wang C, Xiao D, Qu S, Weng J. Hybridizing gellan/alginate and thixotropic magnesium phosphate-based hydrogel scaffolds for enhanced osteochondral repair. Mater Today Bio 2022; 14:100261. [PMID: 35494405 PMCID: PMC9046447 DOI: 10.1016/j.mtbio.2022.100261] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2022] [Revised: 03/26/2022] [Accepted: 04/10/2022] [Indexed: 11/16/2022]
Abstract
Osteochondral defects include the damage of cartilage and subchondral bone, which are still clinical challenges. The general replacements are difficult to simultaneously repair cartilage and subchondral bone due to their various requirements. Moreover, appropriate printable bioactive materials were needed for 3D bioprinting personalized scaffolds for osteochondral repairing. Herein, the novel hydrogel was developed by hybridizing the alginate sodium (SA) and gellan gum (GG) with the inorganic thixotropic magnesium phosphate-based gel (TMP-BG) in the pre-crosslinking of Mg2+ to enhance osteochondral repairing. SA-GG/TMP-BG hybrid hydrogels possessed controllable rheological, injectable, mechanical properties and porosities by tuning their ratio. The shear-thinning of SA-GG/TMP-BG was responsible for its excellent injectability. SA-GG/TMP-BG hybrid hydrogels displayed good cell compatibility, on which MG-63 and BMSCs cells attached and spread well with the high proliferation and up-regulated osteogenic genes. In addition, the inorganic TMP-BG gel hybridized with SA-GG hydrogel released Mg2+ was conducive to recruiting BMSCs and promoting the osteogenic and chondrogenic differentiation of BMSCs. Histological results confirmed that SA-GG/TMP6040 significantly promoted the osteogenesis of subchondral bone and then further facilitated the cartilage repairing after being implanted in osteochondral defects of rabbits for 6 and 12 weeks. Our finding revealed that the inorganic TMP-BG endowed the excellent osteogenic activity of the hybrid hydrogels, which played a key role in successful osteochondral repairing. The newly SA-GG/TMP-BG hybrid hydrogels appeared to be promising materials for osteochondral repairing and the further 3D bioprinting.
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10
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Zhao J, Wu H, Wang L, Jiang D, Wang W, Yuan G, Pei J, Jia W. The beneficial potential of magnesium-based scaffolds to promote chondrogenesis through controlled Mg2+ release in eliminating the destructive effect of activated macrophages on chondrocytes. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2022; 134:112719. [DOI: 10.1016/j.msec.2022.112719] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2021] [Revised: 01/28/2022] [Accepted: 02/13/2022] [Indexed: 10/19/2022]
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11
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Li G, Cheng T, Yu X. The Impact of Trace Elements on Osteoarthritis. Front Med (Lausanne) 2022; 8:771297. [PMID: 35004740 PMCID: PMC8732765 DOI: 10.3389/fmed.2021.771297] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Accepted: 11/30/2021] [Indexed: 12/14/2022] Open
Abstract
Osteoarthritis (OA) is a progressive degenerative disease characterized by cartilage degradation, synovial inflammation, subchondral sclerosis and osteophyte formation. It has a multifactorial etiology with potential contributions from heredity, endocrine function, abnormal mechanical load and nutrition. Of particular considerations are trace element status. Several trace elements, such as boron and magnesium are essential for normal development of the bone and joint in human. While cadmium correlates with the severity of OA. The present review focuses on the roles of trace elements (boron, cadmium, copper, iron, magnesium, manganese, selenium, zinc) in OA and explores the mechanisms by which they act.
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Affiliation(s)
- Guoyong Li
- Department of Orthopaedics, The Fourth Affiliated Hospital of Nanchang University, Nanchang, China
| | - Tao Cheng
- Department of Orthopaedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Xuefeng Yu
- Department of Orthopaedics, The Fourth Affiliated Hospital of Nanchang University, Nanchang, China
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12
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Wang W, Shen J, Meng Y, Ye M, Lin S, Zhao Q, Wang L, Cheung KM, Wu S, Zheng Y, Liu X, Chu PK, Yeung KW, Zhang ZY. Magnesium cationic cue enriched interfacial tissue microenvironment nurtures the osseointegration of gamma-irradiated allograft bone. Bioact Mater 2021; 10:32-47. [PMID: 34901527 PMCID: PMC8637003 DOI: 10.1016/j.bioactmat.2021.08.027] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2021] [Revised: 08/07/2021] [Accepted: 08/23/2021] [Indexed: 01/01/2023] Open
Abstract
Regardless of the advancement of synthetic bone substitutes, allograft-derived bone substitutes still dominate in the orthopaedic circle in the treatments of bone diseases. Nevertheless, the stringent devitalization process jeopardizes their osseointegration with host bone and therefore prone to long-term failure. Hence, improving osseointegration and transplantation efficiency remains important. The alteration of bone tissue microenvironment (TME) to facilitate osseointegration has been generally recognized. However, the concept of exerting metal ionic cue in bone TME without compromising the mechanical properties of bone allograft is challenging. To address this concern, an interfacial tissue microenvironment with magnesium cationc cue was tailored onto the gamma-irradiated allograft bone using a customized magnesium-plasma surface treatment. The formation of the Mg cationic cue enriched interfacial tissue microenvironment on allograft bone was verified by the scanning ion-selective electrode technique. The cellular activities of human TERT-immortalized mesenchymal stem cells on the Mg-enriched grafts were notably upregulated. In the animal test, superior osseointegration between Mg-enriched graft and host bone was found, whereas poor integration was observed in the gamma-irradiated controls at 28 days post-operation. Furthermore, the bony in-growth appeared on magnesium-enriched allograft bone was significant higher. The mechanism possibly correlates to the up-regulation of integrin receptors in mesenchymal stem cells under modified bone TME that directly orchestrate the initial cell attachment and osteogenic differentiation of mesenchymal stem cells. Lastly, our findings demonstrate the significance of magnesium cation modified bone allograft that can potentially translate to various orthopaedic procedures requiring bone augmentation. A modified interfacial Mg TME was tailored onto the GI allograft bone matrix without compromising the mechanical properties. The SIET were applied to recognize the Mg2+-cue enriched interfacial TME on the surface of the Mg-treated bone allograft. The rodent model that is analogous to the clinical use of allograft bone were applied to charaterize the osseointegration. The boundary of the Mg-enriched allograft bone was already unable to be identified and become homogeneous at D28 post-op. The Mg2+-cue enriched interfacial TME is able to convince the upregulation of several integrin receptors of MSCs.
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Affiliation(s)
- Wenhao Wang
- Translational Research Centre of Regenerative Medicine and 3D Printing of Guangzhou Medical University, Guangdong Province Engineering Research Center for Biomedical Engineering, State Key Laboratory of Respiratory Disease, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, PR China
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong, 999077, PR China
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong Shenzhen Hospital, Shenzhen, 518053, PR China
- Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, PR China
| | - Jie Shen
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong, 999077, PR China
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong Shenzhen Hospital, Shenzhen, 518053, PR China
- Shenzhen Key Laboratory of Spine Surgery, Department of Spine Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, PR China
| | - Yuan Meng
- Translational Research Centre of Regenerative Medicine and 3D Printing of Guangzhou Medical University, Guangdong Province Engineering Research Center for Biomedical Engineering, State Key Laboratory of Respiratory Disease, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, PR China
- Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, PR China
| | - Miaoman Ye
- Translational Research Centre of Regenerative Medicine and 3D Printing of Guangzhou Medical University, Guangdong Province Engineering Research Center for Biomedical Engineering, State Key Laboratory of Respiratory Disease, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, PR China
| | - Shaozhang Lin
- Translational Research Centre of Regenerative Medicine and 3D Printing of Guangzhou Medical University, Guangdong Province Engineering Research Center for Biomedical Engineering, State Key Laboratory of Respiratory Disease, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, PR China
| | - Qi Zhao
- Translational Research Centre of Regenerative Medicine and 3D Printing of Guangzhou Medical University, Guangdong Province Engineering Research Center for Biomedical Engineering, State Key Laboratory of Respiratory Disease, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, PR China
| | - Le Wang
- Translational Research Centre of Regenerative Medicine and 3D Printing of Guangzhou Medical University, Guangdong Province Engineering Research Center for Biomedical Engineering, State Key Laboratory of Respiratory Disease, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, PR China
- Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, PR China
| | - Kenneth M.C. Cheung
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong, 999077, PR China
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong Shenzhen Hospital, Shenzhen, 518053, PR China
| | - Shuilin Wu
- Ministry of Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, School of Materials & Engineering, Hubei University, Wuhan, 430062, PR China
- Ministry of Education Key Laboratory for Advanced Ceramics and Machining Technology, School of Materials Science & Engineering, Tianjin University, Tianjin, 300352, PR China
| | - Yufeng Zheng
- State Key Laboratory for Turbulence and Complex System, Department of Materials Science and Engineering, Collage of Engineering, Peking University, Beijing, 100871, PR China
| | - Xuanyong Liu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai, 200050, PR China
| | - Paul K. Chu
- Department of Materials Science and Engineering, City University of Hong Kong, Hong Kong, 999077, PR China
| | - Kelvin W.K. Yeung
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong, 999077, PR China
- Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong Shenzhen Hospital, Shenzhen, 518053, PR China
- Corresponding author. Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong, 999077, PR China.
| | - Zhi-Yong Zhang
- Translational Research Centre of Regenerative Medicine and 3D Printing of Guangzhou Medical University, Guangdong Province Engineering Research Center for Biomedical Engineering, State Key Laboratory of Respiratory Disease, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, PR China
- Department of Orthopaedic Surgery, The Third Affiliated Hospital of Guangzhou Medical University, Guangzhou, 510150, PR China
- Corresponding author. Translational Research Centre of Regenerative Medicine and 3D Printing of Guangzhou Medical University, Guangdong Province Engineering Research Center for Biomedical Engineering, State Key Laboratory of Respiratory Disease, The Third Affiliated Hospital of Guangzhou Medical University Guangzhou, 510150, PR China.
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13
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Muench LN, Kriscenski D, Tamburini L, Berthold DP, Rupp MC, Mancini MR, Cote MP, McCarthy MB, Mazzocca AD. Augmenting Suture Tape Used in Rotator Cuff Surgery With Magnesium Increases in Vitro Cellular Adhesion of Human Subacromial Bursal Tissue. Arthrosc Sports Med Rehabil 2021; 3:e1975-e1980. [PMID: 34977656 PMCID: PMC8689267 DOI: 10.1016/j.asmr.2021.09.020] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2021] [Accepted: 09/23/2021] [Indexed: 11/16/2022] Open
Affiliation(s)
- Lukas N. Muench
- Department of Orthopedic Surgery, UConn Health Center, Farmington, Connecticut, U.S.A
- Department of Orthopaedic Sports Medicine, Technical University of Munich, Germany
- Address correspondence to Lukas N. Muench, M.D., Department of Orthopaedic Sports Medicine, Technical University of Munich, Munich, Germany.
| | - Danielle Kriscenski
- Department of Orthopedic Surgery, UConn Health Center, Farmington, Connecticut, U.S.A
| | - Lisa Tamburini
- Department of Orthopedic Surgery, UConn Health Center, Farmington, Connecticut, U.S.A
| | - Daniel P. Berthold
- Department of Orthopedic Surgery, UConn Health Center, Farmington, Connecticut, U.S.A
- Department of Orthopaedic Sports Medicine, Technical University of Munich, Germany
| | | | - Michael R. Mancini
- Department of Orthopedic Surgery, UConn Health Center, Farmington, Connecticut, U.S.A
| | - Mark P. Cote
- Department of Orthopedic Surgery, UConn Health Center, Farmington, Connecticut, U.S.A
| | - Mary Beth McCarthy
- Department of Orthopedic Surgery, UConn Health Center, Farmington, Connecticut, U.S.A
| | - Augustus D. Mazzocca
- Department of Orthopedic Surgery, UConn Health Center, Farmington, Connecticut, U.S.A
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14
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Disease-Modifying Adjunctive Therapy (DMAT) in Osteoarthritis-The Biological Effects of a Multi-Mineral Complex, LithoLexal ® Joint-A Review. Clin Pract 2021; 11:901-913. [PMID: 34940003 PMCID: PMC8700461 DOI: 10.3390/clinpract11040104] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2021] [Revised: 11/09/2021] [Accepted: 11/19/2021] [Indexed: 01/04/2023] Open
Abstract
Modern advances in molecular medicine have led to the reframing of osteoarthritis as a metabolically active, inflammatory disorder with local and systemic contributing factors. According to the ‘inflammatory theory’ of osteoarthritis, immune response to an initial damage is the key trigger that leads to progressive joint destruction. Several intertwined pathways are known to induce and govern articular inflammation, cartilage matrix degradation, and subchondral bone changes. Effective treatments capable of halting or delaying the progression of osteoarthritis remain elusive. As a result, supplements such as glucosamine and chondroitin sulphate are commonly used despite the lack of scientific consensus. A novel option for adjunctive therapy of osteoarthritis is LithoLexal® Joint, a marine-derived, mineral-rich extract, that exhibited significant efficacy in clinical trials. LithoLexal® has a lattice microstructure containing a combination of bioactive rare minerals. Mechanistic research suggests that this novel treatment possesses various potential disease-modifying properties, such as suppression of nuclear factor kappa-B, interleukin 1β, tumor necrosis factor α, and cyclooxygenase-2. Accordingly, LithoLexal® Joint can be considered a disease-modifying adjunctive therapy (DMAT). LithoLexal® Joint monotherapy in patients with knee osteoarthritis has significantly improved symptoms and walking ability with higher efficacy than glucosamine. Preliminary evidence also suggests that LithoLexal® Joint may allow clinicians to reduce the dose of nonsteroidal anti-inflammatory drugs in osteoarthritic patients by up to 50%. In conclusion, the multi-mineral complex, LithoLexal® Joint, appears to be a promising candidate for DMAT of osteoarthritis, which may narrow the existing gap in clinical practice.
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15
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Salem RM, Zhang C, Chou L. Effect of Magnesium on Dentinogenesis of Human Dental Pulp Cells. Int J Biomater 2021; 2021:6567455. [PMID: 34840576 PMCID: PMC8616686 DOI: 10.1155/2021/6567455] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2021] [Accepted: 10/27/2021] [Indexed: 11/23/2022] Open
Abstract
Introducing therapeutic ions into pulp capping materials has been considered a new approach for enhancing regeneration of dental tissues. However, no studies have been reported on its dentinogenic effects on human dental pulp cells (HDPCs). This study was designed to investigate the effects of magnesium (Mg2+) on cell attachment efficiency, proliferation, differentiation, and mineralization of HDPCs. HDPCs were cultured with 0.5 mM, 1 mM, 2 mM, 4 mM, and 8 mM concentrations of supplemental Mg2+ and 0 mM (control). Cell attachment was measured at 4, 8, 12, 16, and 20 hours. Cell proliferation rate was evaluated at 3, 7, 10, 14, and 21 days. Crystal violet staining was used to determine cell attachment and proliferation rate. Alkaline phosphatase (ALP) activity was assessed using the fluorometric assay at 7, 10, and 14 days. Mineralization of cultures was measured by Alizarin red staining. Statistical analysis was done using multiway analysis of variance (multiway ANOVA) with Wilks' lambda test. Higher cell attachment was shown with 0.5 mM and 1 mM at 16 hours compared to control (P < 0.0001). Cells with 0.5 mM and 1 mM supplemental Mg2+ showed significantly higher proliferation rates than control at 7, 10, 14, and 21 days (P < 0.0001). However, cell proliferation rates decreased significantly with 4 mM and 8 mM supplemental Mg2+ at 14 and 21 days (P < 0.0001). Significantly higher levels of ALP activity and mineralization were observed in 0.5 mM, 1 mM, and 2 mM supplemental Mg2+ at 10 and 14 days (P < 0.0001). However, 8 mM supplemental Mg2+ showed lower ALP activity compared to control at 14 days (P < 0.0001), while 4 mM and 8 mM supplemental Mg2+showed less mineralization compared to control (P < 0.0001). The study indicated that the optimal (0.5-2 mM) supplemental Mg2+ concentrations significantly upregulated HDPCs by enhancing cell attachment, proliferation rate, ALP activity, and mineralization. Magnesium-containing biomaterials could be considered for a future novel dental pulp-capping additive in regenerative endodontics.
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Affiliation(s)
- Rania M. Salem
- Department of Restorative Sciences & Biomaterials, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
- Department of Endodontics, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
| | - Chang Zhang
- Department of Restorative Sciences & Biomaterials, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
| | - Laisheng Chou
- Department of Restorative Sciences & Biomaterials, Goldman School of Dental Medicine, Boston University, Boston, MA 02118, USA
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16
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Research status of biodegradable metals designed for oral and maxillofacial applications: A review. Bioact Mater 2021; 6:4186-4208. [PMID: 33997502 PMCID: PMC8099919 DOI: 10.1016/j.bioactmat.2021.01.011] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Revised: 01/10/2021] [Accepted: 01/10/2021] [Indexed: 01/08/2023] Open
Abstract
The oral and maxillofacial regions have complex anatomical structures and different tissue types, which have vital health and aesthetic functions. Biodegradable metals (BMs) is a promising bioactive materials to treat oral and maxillofacial diseases. This review summarizes the research status and future research directions of BMs for oral and maxillofacial applications. Mg-based BMs and Zn-based BMs for bone fracture fixation systems, and guided bone regeneration (GBR) membranes, are discussed in detail. Zn-based BMs with a moderate degradation rate and superior mechanical properties for GBR membranes show great potential for clinical translation. Fe-based BMs have a relatively low degradation rate and insoluble degradation products, which greatly limit their application and clinical translation. Furthermore, we proposed potential future research directions for BMs in the oral and maxillofacial regions, including 3D printed BM bone scaffolds, surface modification for BMs GBR membranes, and BMs containing hydrogels for cartilage regeneration, soft tissue regeneration, and nerve regeneration. Taken together, the progress made in the development of BMs in oral and maxillofacial regions has laid a foundation for further clinical translation.
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17
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Chen B, Liang Y, Zhang J, Bai L, Xu M, Han Q, Han X, Xiu J, Li M, Zhou X, Guo B, Yin Z. Synergistic enhancement of tendon-to-bone healing via anti-inflammatory and pro-differentiation effects caused by sustained release of Mg 2+/curcumin from injectable self-healing hydrogels. Am J Cancer Res 2021; 11:5911-5925. [PMID: 33897889 PMCID: PMC8058719 DOI: 10.7150/thno.56266] [Citation(s) in RCA: 45] [Impact Index Per Article: 15.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Accepted: 03/18/2021] [Indexed: 12/18/2022] Open
Abstract
Poor healing response after rotator cuff reconstruction is multifactorial, with the inflammatory microenvironment and deficiency of stem cell differentiation factors at the lesion site being most relevant. However, there is a lack of effective tissue engineering strategies that can simultaneously exert anti-inflammatory and pro-differentiation effects to promote rotator cuff healing. Methods: In this study, we synthesized and characterized a novel active drug delivery vector that successfully overcame the challenge of simultaneous high-efficiency loading and controlled release of Mg2+ and curcumin. The anti-inflammatory and pro-differentiation effects of the composite hydrogel were evaluated in vitro and in vivo. Moreover, healing of the rotator cuff tendon-to-bone interface was studied by histology, immunofluorescence, and biomechanical tests. Results: The composite hydrogel exhibited excellent biocompatibility and injectability, good adhesiveness, and rapid self-healing. The released curcumin showed obvious anti-inflammatory and antioxidation effects, which protected stem cells and tendon matrix. Furthermore, released Mg2+ promoted stem cell aggregation and chondrogenesis. Moreover, biomechanical tests and histological results of a rat rotator cuff tear model at 8 weeks after surgery indicated that the composite hydrogel significantly enhanced tendon-to-bone healing. Conclusions: The composite hydrogel mediated sustained in situ release of curcumin and Mg2+ to effectively promote rotator cuff tendon-to-bone healing via anti-inflammatory and pro-differentiation effects. Therefore, this composite hydrogel offers significant promise for rotator cuff repair.
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18
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Kuang X, Chiou J, Lo K, Wen C. Magnesium in joint health and osteoarthritis. Nutr Res 2021; 90:24-35. [PMID: 34023805 DOI: 10.1016/j.nutres.2021.03.002] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2020] [Revised: 01/31/2021] [Accepted: 03/16/2021] [Indexed: 12/28/2022]
Abstract
Osteoarthritis (OA) is a prevalent debilitating age-related skeletal disease. The hallmark of OA is the degradation of articular cartilage that cushions the joint during movement. It is characterized by chronic pain and disability. Magnesium, a critical trace element in the human body, plays a pivotal role in metabolism homeostasis and the energy balance. Humans obtain magnesium mainly from the diet. However, inadequate magnesium intake is not uncommon. Moreover, the magnesium status deteriorates with ageing. There has been a growing body of clinical studies pointing to an intimate relationship between dietary magnesium and OA although the conclusion remains controversial. As reported, the magnesium ion concentration is essential to determine cell fate. Firstly, the low-concentration magnesium ions induced human fibroblasts senescence. Magnesium supplementation was also able to mitigate chondrocyte apoptosis, and to facilitate chondrocyte proliferation and differentiation. In this literature review, we will outline the existing evidence in animals and humans. We will also discuss the controversies on plasma or intracellular level of magnesium as the indicator of magnesium status. In addition, we put forward the interplay between dietary magnesium intake and intestinal microbiome to modulate the inflammatory milieu in the conjecture of OA pathogenesis. This leads to an emerging hypothesis that the synergistic effect of magnesium and probiotics may open a new avenue for the prevention and treatment of OA.
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Affiliation(s)
- Xiaoqing Kuang
- Department of Biomedical Engineering, Faculty of Engineering, Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Jiachi Chiou
- Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Kenneth Lo
- Department of Applied Biology and Chemical Technology, Hong Kong Polytechnic University, Kowloon, Hong Kong
| | - Chunyi Wen
- Department of Biomedical Engineering, Faculty of Engineering, Hong Kong Polytechnic University, Kowloon, Hong Kong.
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19
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Qi T, Weng J, Yu F, Zhang W, Li G, Qin H, Tan Z, Zeng H. Insights into the Role of Magnesium Ions in Affecting Osteogenic Differentiation of Mesenchymal Stem Cells. Biol Trace Elem Res 2021; 199:559-567. [PMID: 32449009 DOI: 10.1007/s12011-020-02183-y] [Citation(s) in RCA: 38] [Impact Index Per Article: 12.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2020] [Accepted: 04/30/2020] [Indexed: 12/13/2022]
Abstract
Bone marrow mesenchymal stem cells (MSCs) are multipotent stem cells with the ability to differentiate into bone-producing cells, which is essential for bone formation. Magnesium biomedical materials, such as biodegradable matters with osteoinductive properties, play a vital role in the osteogenic differentiation of MSCs. International and Chinese studies have shown that magnesium ions, which are produced by biodegradation, mainly achieve this effect by regulating the expression of genes and proteins associated with osteogenesis, activating multiple signal pathways, elevating autophagic activities, and adjusting the pH in the microenvironment. It is of great significance to study the regulatory mechanisms and identify the optimal conditions that how magnesium ions promote osteogenic differentiation of MSCs. In this study, we summarized the regulatory mechanisms noted above.
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Affiliation(s)
- Tiantian Qi
- National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China
- Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China
| | - Jian Weng
- National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China
- Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China
| | - Fei Yu
- National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China
- Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China
| | - Weifei Zhang
- National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China
- Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China
| | - Guoqing Li
- National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China
- Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China
| | - Haotian Qin
- National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China
- Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China
| | - Zhen Tan
- National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China
- Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China
| | - Hui Zeng
- National & Local Joint Engineering Research Center of Orthopaedic Biomaterials, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China.
- Department of Bone & Joint Surgery, Peking University Shenzhen Hospital, Shenzhen, 518036, People's Republic of China.
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Bedair TM, Heo Y, Ryu J, Bedair HM, Park W, Han DK. Biocompatible and functional inorganic magnesium ceramic particles for biomedical applications. Biomater Sci 2021; 9:1903-1923. [PMID: 33506843 DOI: 10.1039/d0bm01934h] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Magnesium ceramics hold promise for numerous biological applications. This review covers the synthesis of magnesium ceramic particles with specific morphologies and potential modification techniques. Magnesium ceramic particles possess multiple characteristics directly applicable to human biology; they are anti-inflammatory, antibacterial, antiviral, and offer anti-cancer effects. Based on these advantages, magnesium hydroxide nanoparticles have been extensively utilized across biomedical fields. In a vascular stent, the incorporation of magnesium ceramic nanoparticles enhances re-endothelialization. Additionally, tissue regeneration for bone, cartilage, and kidney can be promoted by magnesium ceramics. This review enables researchers to identify the optimum synthetic conditions to prepare magnesium ceramics with specific morphologies and sizes and select the appropriate modification protocols. It is also intended to elucidate the desirable physicochemical properties and biological benefits of magnesium ceramics.
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Affiliation(s)
- Tarek M Bedair
- Department of Biomedical Science, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi 13488, Korea.
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Akiyama Y, Ito M, Toriumi T, Hiratsuka T, Arai Y, Tanaka S, Futenma T, Akiyama Y, Yamaguchi K, Azuma A, Hata KI, Natsume N, Honda M. Bone formation potential of collagen type I-based recombinant peptide particles in rat calvaria defects. Regen Ther 2020; 16:12-22. [PMID: 33426238 PMCID: PMC7773759 DOI: 10.1016/j.reth.2020.12.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 11/25/2020] [Accepted: 12/03/2020] [Indexed: 12/28/2022] Open
Abstract
Introduction This study aimed to examine the bone-forming ability of medium-cross-linked recombinant collagen peptide (mRCP) particles developedbased on human collagen type I, contains an arginyl-glycyl-aspartic acid-rich motif, fabricated as bone filling material, compared to that of the autologous bone graft. Methods Calvarial bone defects were created in immunodeficient rats though a surgical procedure. The rats were divided into 2 groups: mRCP graft and tibia bone graft (bone graft). The bone formation potential of mRCP was evaluated by micro-computed tomography and hematoxylin-eosin staining at 1, 2, 3, and 4 weeks after surgery, and the data were analyzed and compared to those of the bone graft. Results The axial volume-rendered images demonstrated considerable bony bridging with the mRCP graft, but there was no significant difference in the bone volume and bone mineral density between the mRCP graft and bone graft at 4 weeks. The peripheral new bone density was significantly higher than the central new bone density and the bottom side score was significantly higher than the top side score at early stage in the regenerated bone within the bone defects. Conclusion These results indicate that mRCP has a high potential of recruiting osteogenic cells, comparable to that of autologous bone chips. Bone formation potential of mRCP were comparable to that of autogenous bone. mRCP particles exhibit high new bone formation potential in the calvaria defect. Bone bridging was observed over the entire defect in mRCP graft at 4 weeks. mRCP has a high potential of recruiting osteogenic cells comparable to bone graft.
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Key Words
- ALP, alkaline phosphatase
- Autologous bone
- BMD, bone mineral density
- BMSCs, bone marrow derived mesenchymal stem cells
- Bone reconstruction
- Bone substitute
- CSD, critical-size defect
- Calvaria
- Collagen scaffold
- DHT, dehydothermal treatment
- H&E, hematoxylin and eosin
- RCP, recombinant collagen peptide
- RGD, arginyl-glycyl-aspartic acid
- ROIs, regions of interest
- Recombinant human collagen peptide
- SD, standard deviation
- TRAP, tartrate-resistant acid phosphatase
- mRCP, medium-cross-linked RCP
- micro-CT, micro-computed tomography
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Affiliation(s)
- Yasunori Akiyama
- Division of Research and Treatment for Oral and Maxillofacial Congenital Anomalies, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, Aichi, 464-8651, Japan
| | - Masaaki Ito
- Division of Research and Treatment for Oral and Maxillofacial Congenital Anomalies, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, Aichi, 464-8651, Japan
| | - Taku Toriumi
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya, Aichi, 464-8650, Japan
| | - Takahiro Hiratsuka
- Bio Science & Engineering Laboratory, Research & Development Management Headquarters FUJIFILM Corporation, 577 Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa, 258-8577, Japan
| | - Yoshinori Arai
- Department of Oral and Maxillofacial Radiology, Nihon University School of Dentistry, 1-8-13 Kanda-Surugadai, Chiyoda-ku, Tokyo, 101-8310, Japan
| | - Sho Tanaka
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya, Aichi, 464-8650, Japan
| | - Taku Futenma
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya, Aichi, 464-8650, Japan
| | - Yuhki Akiyama
- Division of Research and Treatment for Oral and Maxillofacial Congenital Anomalies, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, Aichi, 464-8651, Japan
| | - Kazuhiro Yamaguchi
- Bio Science & Engineering Laboratory, Research & Development Management Headquarters FUJIFILM Corporation, 577 Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa, 258-8577, Japan
| | - Akihiko Azuma
- Bio Science & Engineering Laboratory, Research & Development Management Headquarters FUJIFILM Corporation, 577 Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa, 258-8577, Japan
| | - Ken-Ichiro Hata
- Bio Science & Engineering Laboratory, Research & Development Management Headquarters FUJIFILM Corporation, 577 Ushijima, Kaisei-machi, Ashigarakami-gun, Kanagawa, 258-8577, Japan
| | - Nagato Natsume
- Division of Research and Treatment for Oral and Maxillofacial Congenital Anomalies, School of Dentistry, Aichi Gakuin University, 2-11 Suemori-dori, Chikusa-ku, Nagoya, Aichi, 464-8651, Japan
| | - Masaki Honda
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University, 1-100 Kusumoto-cho, Chikusa-ku, Nagoya, Aichi, 464-8650, Japan
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22
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Mills DK, Luo Y, Elumalai A, Esteve S, Karnik S, Yao S. Creating Structured Hydrogel Microenvironments for Regulating Stem Cell Differentiation. Gels 2020; 6:gels6040047. [PMID: 33276682 PMCID: PMC7768466 DOI: 10.3390/gels6040047] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2020] [Revised: 10/09/2020] [Accepted: 10/19/2020] [Indexed: 12/12/2022] Open
Abstract
The development of distinct biomimetic microenvironments for regulating stem cell behavior and bioengineering human tissues and disease models requires a solid understanding of cell-substrate interactions, adhesion, and its role in directing cell behavior, and other physico-chemical cues that drive cell behavior. In the past decade, innovative developments in chemistry, materials science, microfabrication, and associated technologies have given us the ability to manipulate the stem cell microenvironment with greater precision and, further, to monitor effector impacts on stem cells, both spatially and temporally. The influence of biomaterials and the 3D microenvironment's physical and biochemical properties on mesenchymal stem cell proliferation, differentiation, and matrix production are the focus of this review chapter. Mechanisms and materials, principally hydrogel and hydrogel composites for bone and cartilage repair that create "cell-supportive" and "instructive" biomaterials, are emphasized. We begin by providing an overview of stem cells, their unique properties, and their challenges in regenerative medicine. An overview of current fabrication strategies for creating instructive substrates is then reviewed with a focused discussion of selected fabrication methods with an emphasis on bioprinting as a critical tool in creating novel stem cell-based biomaterials. We conclude with a critical assessment of the current state of the field and offer our view on the promises and potential pitfalls of the approaches discussed.
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Affiliation(s)
- David K. Mills
- School of Biological Sciences, Louisiana Tech University, Ruston, LA 71270, USA;
- Center for Biomedical Engineering and Rehabilitation Science, Louisiana Tech University, Ruston, LA 71270, USA;
- Correspondence:
| | - Yangyang Luo
- Molecular Sciences and Nanotechnology, Louisiana Tech University, Ruston, LA 71270, USA;
| | - Anusha Elumalai
- School of Biological Sciences, Louisiana Tech University, Ruston, LA 71270, USA;
- Center for Biomedical Engineering and Rehabilitation Science, Louisiana Tech University, Ruston, LA 71270, USA;
| | - Savannah Esteve
- Center for Biomedical Engineering and Rehabilitation Science, Louisiana Tech University, Ruston, LA 71270, USA;
| | - Sonali Karnik
- Department of Mechanical and Energy Engineering, IUPUI, Indianapolis, IN 46202, USA;
| | - Shaomian Yao
- Comparative Biomedical Sciences, Louisiana State University, Baton Rouge, LA 70803, USA;
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Wang Q, Xu L, Helmholz H, Willumeit-Römer R, Luthringer-Feyerabend BJC. Effects of degradable magnesium on paracrine signaling between human umbilical cord perivascular cells and peripheral blood mononuclear cells. Biomater Sci 2020; 8:5969-5983. [PMID: 32975550 DOI: 10.1039/d0bm00834f] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Human mesenchymal stem cells (MSC) interact with numerous immune cells that can promote regenerative processes and inhibit inflammatory responses. We hypothesised that the cross-talk between human umbilical cord perivascular cells (HUCPV; an alternative source of MSC) and peripheral blood mononuclear cells (PBMC) could be influenced by degradable transwell magnesium (Mg). To study the correlations between paracrine signaling and specific cellular behaviour during the host response to Mg, we used a transwell coculture system for up to 7 days. The proliferation and viability of both cell types were not significantly influenced by Mg. When HUCPV were cultured with degradable Mg, a moderate inflammation (e.g., lower secretions of pro-inflammatory interleukin 1 beta and IL2, and tumour necrosis factor alpha, interferon gamma, anti-inflammatory interleukins 4, 5, 10, 13, and 1 receptor antagonists and granulocyte colony stimulating factor), and an increased pro-healing M2 macrophage phenotype were observed. Moreover, when PBMC were cultured with degradable Mg, the expression of migration/wound healing related cytokines (interleukin 8, granulocyte-macrophage colony-stimulating factor, monocyte chemoattractant protein 1 and macrophage inflammatory protein 1α/β) was upregulated, accompanied by an increase in the migration ability of HUCPV (cell scratch assay). In addition, an increased pro-osteogenic potential was demonstrated via an increase of osteoblastic markers (e.g., alkaline phosphatase activity, specific gene expression and cytokine release). These results collectively imply that Mg possesses osteo-immunomodulatory properties. They also help to design Mg-based bone substitute biomaterials capable of exhibiting desired immune reactions and good clinical performance.
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Affiliation(s)
- Qian Wang
- Institute of Materials Research, Division for Metallic Biomaterials, Helmholtz-Zentrum Geesthacht (HZG), Geesthacht, Germany.
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24
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Cartilage repair using stem cells & biomaterials: advancement from bench to bedside. Mol Biol Rep 2020; 47:8007-8021. [PMID: 32888123 DOI: 10.1007/s11033-020-05748-1] [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: 01/22/2020] [Accepted: 08/28/2020] [Indexed: 10/23/2022]
Abstract
Osteoarthritis (OA) involves gradual destruction of articular cartilagemanifested by pain, stiffness of joints, and impaired movement especially in knees and hips. Non-vascularity of this tissue hinders its self-regenerative capacity and thus, the application of reparative or restorative modalities becomes imperative in OA treatment. In recent years, stem cell-based therapies have been explored as potential modalities for addressing OA complications. While mesenchymal stem cells (MSCs) hold immense promise, the recapitulation of native articular cartilage usingMSCs remains elusive. In this review, we have highlighted the chondrogenic potential of MSCs, factors guiding in vitro chondrogenic differentiation, biomaterials available for cartilage repair, their current market status, and the outcomes of major clinical trials. Our search on ClinicalTrials.gov using terms "stem cell" and "osteoarthritis" yielded 83 results. An analysis of the 29 trials that have been completed revealed differences in source of MSCs (bone marrow, adipose tissue, umbilical cord etc.), cell type (autologous or allogenic), and dose administered. Moreover, only 02 out of 29 studies have reported the use of matrix for cartilage repair. From future perspective, aconsensus on choice of cells, differentiation inducers, biomaterials, and clinical settings might pave a way for concocting robust strategies to improve the clinical applicability of biomimetic neocartilage constructs.
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25
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Nie X, Sun X, Wang C, Yang J. Effect of magnesium ions/Type I collagen promote the biological behavior of osteoblasts and its mechanism. Regen Biomater 2020; 7:53-61. [PMID: 32440359 PMCID: PMC7233620 DOI: 10.1093/rb/rbz033] [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: 07/07/2019] [Revised: 08/25/2019] [Accepted: 09/07/2019] [Indexed: 12/14/2022] Open
Abstract
Type I collagen (Col I) is a main component of extracellular matrix (ECM). Its safety, biocompatibility, hydrophilicity and pyrogen immunogenicity make it suitable for tissues engineering applications. Mg2+ also control a myriad of cellular processes, including the bone development by enhancing the attachment and differentiation of osteoblasts and accelerating mineralization to enhance bone healing. In our studies, Mg2+ bind collagen to promote the proliferation and differentiation of osteoblasts through the expression of integrins and downstream signaling pathways. In order to clarify the biological behavior effect of 10 mM Mg2+/Col I coating, we performed 3-(4,5-Dimethylthiazol-2-yl)-2,5-diphenyltetrazolium bromide (MTT), alkaline phosphatase (ALP), 4′6-diamidino-2-phenylindole (DAPI), Alizarin red staining and Rhodamine B-isothiocyanate (RITC)-labeled phalloidin experiments and found that 10 mM Mg2+ group, Col I-coating group, 10 mM Mg2+/Col I-coating group, respectively, promoted the proliferation and differentiation of osteoblasts, especially 10 mM Mg2+/Col I-coating group. We detected the mRNA expression of osteogenic-related genes (Runx2, ALP and OCN, OPN and BMP-2) and the protein expression of signaling pathway (integrin α2, integrin β1, FAK and ERK1/2), these results indicated that 10 mM Mg2+/Col I coating play an critical role in up-regulating the MC3T3-E1 cells activity. The potential mechanisms of this specific performance may be through activating via integrin α2β1-FAK-ERK1/2 protein-coupled receptor pathway.
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Affiliation(s)
- Xiaojing Nie
- Department of Prosthodontics, The Second Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, China
| | - Xirao Sun
- Department of Prosthodontics, The Second Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, China
| | - Chengyue Wang
- Department of Prosthodontics, The Second Affiliated Hospital of Jinzhou Medical University, Jinzhou 121000, China
| | - Jingxin Yang
- College of Robotics, Beijing Union University, Beijing 100000, China
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26
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Liang C, Huang J, Luo P, Wang Z, He J, Wu S, Peng C, Cao X. Platelet-Derived Microparticles Mediate the Intra-Articular Homing of Mesenchymal Stem Cells in Early-Stage Cartilage Lesions. Stem Cells Dev 2020; 29:414-424. [PMID: 32000580 DOI: 10.1089/scd.2019.0137] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
After intra-articular injection, synovium-derived mesenchymal stem cells (SMSCs) can adhere to damaged cartilage (a process called homing) and then repair the cartilage defect. Nonetheless, the main obstacle of the current method is the insufficient homing ratio of SMSCs, which fails to meet the requirements for cartilage repair and thereby greatly limits the therapeutic effect. In this study, the optimal homing time of SMSCs was determined by evaluating the SMSC homing efficiency at 1, 3, 7, 14, and 28 days after injury using a rat cartilage defect model. The ability of platelet-derived microparticles (PMPs) to promote SMSC homing was evaluated by cartilage/subchondral bone cell adhesion, transmembrane migration, and intra-articular cell distribution assays. SMSCs had an optimal homing efficiency in the very early stage (1 day) after cartilage injury. We found that PMPs, which were abundant in the synovial fluid at this early stage, were responsible for this augmented SMSC homing. An ex vivo cell adhesion assay revealed that the coincubation of SMSCs with PMPs at a 1:50 ratio markedly enhanced cell adhesion to cartilage and the subchondral bone surface. The transmembrane cell migration assay yielded similar results. Further in vivo homing assays revealed that PMPs possess excellent homing capacity, which they transferred, to some extent, to SMSCs by coating the cell surface. We measured the expression of homing-related genes in SMSCs exposed to PMPs and identified several upregulated genes. Moreover, platelet-specific adhesion molecules, particularly GPIIb/IIIa, CXCR4, ITGβ1, and ITGα2, were determined to play a critical role in the homing of SMSC/PMP complexes. This improvement in SMSC homing increased the volume of regenerated tissue in the cartilage defect. In conclusion, PMPs significantly promoted the homing of SMSCs to cartilage, which facilitated cartilage regeneration. These data suggest a safe and promising strategy for improving the outcome of stem cell therapy.
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Affiliation(s)
- Chi Liang
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Junjie Huang
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Pan Luo
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Zili Wang
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Jinshen He
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Song Wu
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Cheng Peng
- Department of Burns and Plastic Surgery, The 3rd Xiangya Hospital, Central South University, Changsha, China
| | - Xu Cao
- Department of Orthopaedics, The 3rd Xiangya Hospital, Central South University, Changsha, China
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Apostu D, Lucaciu O, Mester A, Oltean-Dan D, Baciut M, Baciut G, Bran S, Onisor F, Piciu A, Pasca RD, Maxim A, Benea H. Systemic drugs with impact on osteoarthritis. Drug Metab Rev 2019; 51:498-523. [DOI: 10.1080/03602532.2019.1687511] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Dragos Apostu
- Department of Orthopaedics and Traumatology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Ondine Lucaciu
- Department of Oral Rehabilitation, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Alexandru Mester
- Department of Oral Rehabilitation, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Daniel Oltean-Dan
- Department of Orthopaedics and Traumatology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Mihaela Baciut
- Department of Maxillofacial Surgery and Oral Implantology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Grigore Baciut
- Department of Oral and Maxillofacial Surgery, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Simion Bran
- Department of Maxillofacial Surgery and Oral Implantology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Florin Onisor
- Department of Oral and Maxillofacial Surgery, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Andra Piciu
- Department of Medical Oncology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Roxana D. Pasca
- Department of Biomolecular Physics, Faculty of Physics, Cluj-Napoca, Romania
- Department of Molecular and Biomolecular Physics, National Institute for Research and Development of Isotopic and Molecular Technologies, Cluj-Napoca, Romania
| | - Andrei Maxim
- Department of Orthopaedics and Traumatology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
| | - Horea Benea
- Department of Orthopaedics and Traumatology, Iuliu Hatieganu University of Medicine and Pharmacy, Cluj-Napoca, Romania
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Lin Z, Wu S, Liu X, Qian S, Chu PK, Zheng Y, Cheung KMC, Zhao Y, Yeung KWK. A surface-engineered multifunctional TiO 2 based nano-layer simultaneously elevates the corrosion resistance, osteoconductivity and antimicrobial property of a magnesium alloy. Acta Biomater 2019; 99:495-513. [PMID: 31518705 DOI: 10.1016/j.actbio.2019.09.008] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Revised: 08/12/2019] [Accepted: 09/06/2019] [Indexed: 12/18/2022]
Abstract
Magnesium biometals exhibit great potentials for orthopeadic applications owing to their biodegradability, bioactive effects and satisfactory mechanical properties. However, rapid corrosion of Mg implants in vivo combined with large amount of hydrogen gas evolution is harmful to bone healing process which seriously confines their clinical applications. Enlightened by the superior biocompatibility and corrosion resistance of passive titanium oxide layer automatically formed on titanium alloy, we employ the Ti and O dual plasma ion immersion implantation (PIII) technique to construct a multifunctional TiO2 based nano-layer on ZK60 magnesium substrates for enhanced corrosion resistance, osteoconductivity and antimicrobial activity. The constructed nano-layer (TiO2/MgO) can effectively suppress degradation rate of ZK60 substrates in vitro and still maintain 94% implant volume after post-surgery eight weeks. In animal study, a large amount of bony tissue with increased bone mineral density and trabecular thickness is formed around the PIII treated group in post-operation eight weeks. Moreover, the newly formed bone in the PIII treated group is well mineralized and its mechanical property almost restores to the level of that of surrounding mature bone. Surprisingly, a remarkable killing ratio of 99.31% against S. aureus can be found on the PIII treated sample under ultra-violet (UV) irradiation which mainly attributes to the oxidative stress induced by the reactive oxygen species (ROS). We believe that this multifunctional TiO2 based nano-layer not only controls the degradation of magnesium implant, but also regulates its implant-to-bone integration effectively. STATEMENT OF SIGNIFICANCE: Rapid corrosion of magnesium implants is the major issue for orthopaedic applications. Inspired by the biocompatibility and corrosion resistance of passive titanium oxide layer automatically formed on titanium alloy, we construct a multifunctional TiO2/MgO nanolayer on magnesium substrates to simultaneously achieve superior corrosion resistance, satisfactory osteoconductivity in rat intramedullary bone defect model and excellent antimicrobial activity against S. aureus under UV irradiation. The current findings suggest that the specific TiO2/MgO nano-layer on magnesium surface can achieve the three objectives aforementioned and we believe this study can demonstrate the potential of biodegradable metals for future clinical applications.
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Affiliation(s)
- Zhengjie Lin
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, PR China; Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong, China; Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong Shenzhen Hospital, 1 Haiyuan 1st Road, Futian District, Shenzhen, China
| | - Shuilin Wu
- School of Materials Science & Engineering, the Key Laboratory of Advanced Ceramics and Machining Technology by the Ministry of Education of China, Tianjin University, Tianjin 300072, China
| | - Xuanyong Liu
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China
| | - Shi Qian
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Shanghai 200050, China; Cixi Center of Biomaterials Surface Engineering, Shanghai Institute of Ceramics, Chinese Academy of Sciences, Ningbo, PR China
| | - Paul K Chu
- Department of Physics, Department of Materials Science and Engineering, City University of Hong Kong, Tat Chee Avenue, Kowloon, Hong Kong, China
| | - Yufeng Zheng
- State Key Laboratory for Turbulence and Complex System and Department of Materials Science and Engineering, College of Engineering, Peking University, Beijing 100871, China
| | - Kenneth M C Cheung
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong, China
| | - Ying Zhao
- Centre for Human Tissues and Organs Degeneration, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen 518055, China.
| | - Kelvin W K Yeung
- Department of Orthopaedics and Traumatology, The University of Hong Kong, Hong Kong, China; Shenzhen Key Laboratory for Innovative Technology in Orthopaedic Trauma, The University of Hong Kong Shenzhen Hospital, 1 Haiyuan 1st Road, Futian District, Shenzhen, China.
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29
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García-Couce J, Almirall A, Fuentes G, Kaijzel E, Chan A, Cruz LJ. Targeting Polymeric Nanobiomaterials as a Platform for Cartilage Tissue Engineering. Curr Pharm Des 2019; 25:1915-1932. [DOI: 10.2174/1381612825666190708184745] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2019] [Accepted: 06/26/2019] [Indexed: 01/05/2023]
Abstract
Articular cartilage is a connective tissue structure that is found in anatomical areas that are important for the movement of the human body. Osteoarthritis is the ailment that most often affects the articular cartilage. Due to its poor intrinsic healing capacity, damage to the articular cartilage is highly detrimental and at present the reconstructive options for its repair are limited. Tissue engineering and the science of nanobiomaterials are two lines of research that together can contribute to the restoration of damaged tissue. The science of nanobiomaterials focuses on the development of different nanoscale structures that can be used as carriers of drugs / cells to treat and repair damaged tissues such as articular cartilage. This review article is an overview of the composition of articular cartilage, the causes and treatments of osteoarthritis, with a special emphasis on nanomaterials as carriers of drugs and cells, which reduce inflammation, promote the activation of biochemical factors and ultimately contribute to the total restoration of articular cartilage.
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Affiliation(s)
- Jomarien García-Couce
- Translational Nanobiomaterials and Imaging (TNI) group, Radiology department, Leiden University Medical Centrum, Leiden, Netherlands
| | - Amisel Almirall
- Translational Nanobiomaterials and Imaging (TNI) group, Radiology department, Leiden University Medical Centrum, Leiden, Netherlands
| | - Gastón Fuentes
- Translational Nanobiomaterials and Imaging (TNI) group, Radiology department, Leiden University Medical Centrum, Leiden, Netherlands
| | - Eric Kaijzel
- Translational Nanobiomaterials and Imaging (TNI) group, Radiology department, Leiden University Medical Centrum, Leiden, Netherlands
| | - Alan Chan
- Percuros B.V., Zernikedreef 8, 2333 CL Leiden, Netherlands
| | - Luis J. Cruz
- Translational Nanobiomaterials and Imaging (TNI) group, Radiology department, Leiden University Medical Centrum, Leiden, Netherlands
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30
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Naritomi M, Mizuno M, Katano H, Ozeki N, Otabe K, Komori K, Fujii S, Ichinose S, Tsuji K, Koga H, Muneta T, Sekiya I. Petaloid recombinant peptide enhances in vitro cartilage formation by synovial mesenchymal stem cells. J Orthop Res 2019; 37:1350-1357. [PMID: 29737046 PMCID: PMC6585959 DOI: 10.1002/jor.24042] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2017] [Accepted: 04/27/2018] [Indexed: 02/04/2023]
Abstract
In vitro chondrogenesis of mesenchymal stem cells (MSCs) mimics in vivo chondrogenesis of MSCs. However, the size of the cartilage pellets that can be attained in vitro is limited by current methods; therefore, some modifications are required to obtain larger pellets. Petaloid pieces of recombinant peptide (petaloid RCP) have the advantage of creating spaces between cells in culture. The RCP used here is based on the alpha-1 sequence of human collagen type I and contains 12 Arg-Gly-Asp motifs. We examined the effect and mechanisms of adding petaloid RCP on the in vitro chondrogenesis of human synovial MSCs by culturing 125k cells with or without 0.125 mg petaloid RCP in chondrogenic medium for 21 days. The cartilage pellets were sequentially analyzed by weight, sulfated glycosaminoglycan content, DNA retention, and histology. Petaloid RCP significantly increased the weight of the cartilage pellets: The petaloid RCP group weighed 7.7 ± 1.2 mg (n = 108), whereas the control group weighed 5.3 ± 1.6 mg. Sulfated glycosaminoglycan and DNA contents were significantly higher in the petaloid RCP group than in the control group. Light and transmission electron microscopy images showed that the petaloid RCP formed the framework of the pellet at day 1, the framework was broken by production of cartilage matrix by the synovial MSCs at day 7, and the cartilage pellet grew larger, with diffuse petaloid RCP remaining, at day 21. Therefore, petaloid RCP formed a framework for the pellet, maintained a higher cell number, and promoted in vitro cartilage formation of synovial MSCs. © 2018 The Authors. Journal of Orthopaedic Research® Published by Wiley Periodicals, Inc. J Orthop Res 37:1350-1357, 2019.
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Affiliation(s)
- Mana Naritomi
- Center for Stem Cell and Regenerative MedicineTokyo Medical and Dental University1‐5‐45 Yushima, Bunkyo‐kuTokyo 113‐8510Japan
| | - Mitsuru Mizuno
- Center for Stem Cell and Regenerative MedicineTokyo Medical and Dental University1‐5‐45 Yushima, Bunkyo‐kuTokyo 113‐8510Japan
| | - Hisako Katano
- Center for Stem Cell and Regenerative MedicineTokyo Medical and Dental University1‐5‐45 Yushima, Bunkyo‐kuTokyo 113‐8510Japan
| | - Nobutake Ozeki
- Center for Stem Cell and Regenerative MedicineTokyo Medical and Dental University1‐5‐45 Yushima, Bunkyo‐kuTokyo 113‐8510Japan
| | - Koji Otabe
- Center for Stem Cell and Regenerative MedicineTokyo Medical and Dental University1‐5‐45 Yushima, Bunkyo‐kuTokyo 113‐8510Japan
| | - Keiichiro Komori
- Center for Stem Cell and Regenerative MedicineTokyo Medical and Dental University1‐5‐45 Yushima, Bunkyo‐kuTokyo 113‐8510Japan
| | - Shizuka Fujii
- Center for Stem Cell and Regenerative MedicineTokyo Medical and Dental University1‐5‐45 Yushima, Bunkyo‐kuTokyo 113‐8510Japan
| | - Shizuko Ichinose
- Center for Stem Cell and Regenerative MedicineTokyo Medical and Dental University1‐5‐45 Yushima, Bunkyo‐kuTokyo 113‐8510Japan
| | - Kunikazu Tsuji
- Department of Cartilage RegenerationTokyo Medical and Dental UniversityTokyoJapan
| | - Hideyuki Koga
- Department of Joint Surgery and Sports MedicineTokyo Medical and Dental UniversityTokyoJapan
| | - Takeshi Muneta
- Department of Joint Surgery and Sports MedicineTokyo Medical and Dental UniversityTokyoJapan,National Hospital Organization Disaster Medical CenterTokyoJapan
| | - Ichiro Sekiya
- Center for Stem Cell and Regenerative MedicineTokyo Medical and Dental University1‐5‐45 Yushima, Bunkyo‐kuTokyo 113‐8510Japan
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Oliver-De La Cruz J, Nardone G, Vrbsky J, Pompeiano A, Perestrelo AR, Capradossi F, Melajová K, Filipensky P, Forte G. Substrate mechanics controls adipogenesis through YAP phosphorylation by dictating cell spreading. Biomaterials 2019; 205:64-80. [PMID: 30904599 DOI: 10.1016/j.biomaterials.2019.03.009] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 03/01/2019] [Accepted: 03/10/2019] [Indexed: 12/21/2022]
Abstract
The mechanoregulated proteins YAP/TAZ are involved in the adipogenic/osteogenic switch of mesenchymal stem cells (MSCs). MSC fate decision can be unbalanced by controlling substrate mechanics, in turn altering the transmission of tension through cell cytoskeleton. MSCs have been proposed for orthopedic and reconstructive surgery applications. Thus, a tight control of their adipogenic potential is required in order to avoid their drifting towards fat tissue. Substrate mechanics has been shown to drive MSC commitment and to regulate YAP/TAZ protein shuttling and turnover. The mechanism by which YAP/TAZ co-transcriptional activity is mechanically regulated during MSC fate acquisition is still debated. Here, we design few bioengineering tools suited to disentangle the contribution of mechanical from biological stimuli to MSC adipogenesis. We demonstrate that the mechanical repression of YAP happens through its phosphorylation, is purely mediated by cell spreading downstream of substrate mechanics as dictated by dimensionality. YAP repression is sufficient to prompt MSC adipogenesis, regardless of a permissive biological environment, TEAD nuclear presence or focal adhesion stabilization. Finally, by harnessing the potential of YAP mechanical regulation, we propose a practical example of the exploitation of adipogenic transdifferentiation in tumors.
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Affiliation(s)
- Jorge Oliver-De La Cruz
- International Clinical Research Center (FNUSA-ICRC), St. Anne's University Hospital, Brno, Czech Republic; Competence Center for Mechanobiology in Regenerative Medicine, INTERREG ATCZ133, Brno, Czech Republic
| | - Giorgia Nardone
- International Clinical Research Center (FNUSA-ICRC), St. Anne's University Hospital, Brno, Czech Republic
| | - Jan Vrbsky
- International Clinical Research Center (FNUSA-ICRC), St. Anne's University Hospital, Brno, Czech Republic
| | - Antonio Pompeiano
- International Clinical Research Center (FNUSA-ICRC), St. Anne's University Hospital, Brno, Czech Republic
| | - Ana Rubina Perestrelo
- International Clinical Research Center (FNUSA-ICRC), St. Anne's University Hospital, Brno, Czech Republic
| | - Francesco Capradossi
- International Clinical Research Center (FNUSA-ICRC), St. Anne's University Hospital, Brno, Czech Republic
| | - Katarína Melajová
- International Clinical Research Center (FNUSA-ICRC), St. Anne's University Hospital, Brno, Czech Republic
| | | | - Giancarlo Forte
- International Clinical Research Center (FNUSA-ICRC), St. Anne's University Hospital, Brno, Czech Republic; Competence Center for Mechanobiology in Regenerative Medicine, INTERREG ATCZ133, Brno, Czech Republic; Department of Biomaterials Science, Institute of Dentistry, University of Turku, Turku, Finland.
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32
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Zhang ZZ, Zhou YF, Li WP, Jiang C, Chen Z, Luo H, Song B. Local Administration of Magnesium Promotes Meniscal Healing Through Homing of Endogenous Stem Cells: A Proof-of-Concept Study. Am J Sports Med 2019; 47:954-967. [PMID: 30786213 DOI: 10.1177/0363546518820076] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Although many strategies have been developed to modify the biological and biomechanical environment of the meniscal suture repair to improve the chances of healing, the failure rates remain high. Thus, new methods to promote meniscal regeneration and repair are needed. HYPOTHESIS Administration of magnesium (via a repair using magnesium stitches) might enhance recruitment and adherence of endogenous stem cells to the site of the lesion, thereby promoting in situ meniscal regeneration and chondroprotective functions. STUDY DESIGN Controlled laboratory study. METHODS Synovial fluid-derived mesenchymal stem cells (SMSCs) were identified and isolated from the knees of rabbits with a meniscal injury of 4 weeks' duration. An in vitro analysis of adherence and chemotaxis of SMSCs was performed. For the in vivo assay, rabbits (n = 120) with meniscal lesions were divided into 3 groups: repair with high-purity magnesium stitches (Mg group), repair with absorbable sutures (Control group), and no repair (Blank group). Healing of the regenerated tissue and degeneration of the articular cartilage were evaluated by gross and histological analysis at postoperative weeks 1, 3, 6, and 12. The mechanical properties of the repaired meniscus were also analyzed (tensile testing). RESULTS In vitro, magnesium promoted the adhesion and migration of SMSCs, which were identified and increased in the knee joints with meniscal lesions. Moreover, fibrochondrogenesis of SMSCs was stimulated by magnesium. Compared with the other groups, the Mg group had enhanced tissue regeneration, lower cartilage degeneration, and retained mechanical strength at 12 weeks after meniscal repair. CONCLUSION/CLINICAL RELEVANCE Magnesium could be used for in situ meniscal repair due to the potential capacity of magnesium to recruit endogenous stem cells and promote synthesis of fibrocartilaginous matrix.
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Affiliation(s)
- Zheng-Zheng Zhang
- Department of Orthopaedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yun-Feng Zhou
- Department of Orthopaedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Wei-Ping Li
- Department of Orthopaedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Chuan Jiang
- Department of Orthopaedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Zhong Chen
- Department of Orthopaedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Huan Luo
- Department of Orthopaedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
| | - Bin Song
- Department of Orthopaedics, Sun Yat-sen Memorial Hospital, Sun Yat-sen University, Guangzhou, China
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Roohaniesfahani I, Wang J, No YJ, de Candia C, Miao X, Lu Z, Shi J, Kaplan DL, Jiang X, Zreiqat H. Modulatory effect of simultaneously released magnesium, strontium, and silicon ions on injectable silk hydrogels for bone regeneration. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2018; 94:976-987. [PMID: 30423786 DOI: 10.1016/j.msec.2018.10.053] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/04/2017] [Revised: 08/08/2018] [Accepted: 10/13/2018] [Indexed: 01/31/2023]
Abstract
Injectable silk hydrogels are ideal carriers of therapeutic agents due to their biocompatibility and low immunogenicity. Injectable silk hydrogels for bone regeneration have been previously developed but often utilize expensive biologics. In this study, we have developed an injectable silk composite incorporated with a triphasic ceramic called MSM-10 (54 Mg2SiO4, 36 Si3Sr5 and 10 MgO (wt%)) capable of simultaneously releasing magnesium, silicon, and strontium ions into its environment. These ions have been previously reported to possess therapeutic effects for bone regeneration. MSM-10 particles were incorporated into the silk hydrogels at various weight percentages [0.1 (SMH-0.1), 0.6 (SMH-0.6), 1 (SMH-1) and 2 (SMH-2)]. The effects of the released ions on the physicochemical and biological properties of the silk hydrogel were comprehensively evaluated. Increased MSM-10 loading was found to hinder the gelation kinetics of the silk hydrogel through the reduction of beta-sheet phase formation, which in turn affected the required sonication time for gelation, compressive strength, force of injection, microstructure and in vitro degradation rate. Primary human osteoblasts seeded on SMH-0.6 demonstrated increased proliferation and early alkaline phosphatase activity, as well as enhanced osteogenic gene expression compared to pure silk hydrogel and SMH-0.1. In vivo results in subcutaneous mouse models showed both decreased fibrous capsule formation and increased number of new blood vessels around the injected SMH-0.1 and SMH-0.6 implants compared to pure silk hydrogels. The results in this study indicate that the ions released from MSM-10 is able to influence the physicochemical and biological properties of silk hydrogels, and SMH-0.6 in particular shows promising properties for bone regeneration.
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Affiliation(s)
- Iman Roohaniesfahani
- Biomaterials and Tissue Engineering Research Unit, School of AMME, Faculty of Engineering and IT, University of Sydney, Sydney, Australia.
| | - Jie Wang
- Department of Prosthodontics, Oral Bioengineering and Regenerative Medicine Lab, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Young Jung No
- Biomaterials and Tissue Engineering Research Unit, School of AMME, Faculty of Engineering and IT, University of Sydney, Sydney, Australia
| | - Christian de Candia
- Biomaterials and Tissue Engineering Research Unit, School of AMME, Faculty of Engineering and IT, University of Sydney, Sydney, Australia
| | - Xinchao Miao
- Department of Prosthodontics, Oral Bioengineering and Regenerative Medicine Lab, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, China
| | - Zufu Lu
- Biomaterials and Tissue Engineering Research Unit, School of AMME, Faculty of Engineering and IT, University of Sydney, Sydney, Australia
| | - Jeffrey Shi
- School of Chemical and Biomolecular Engineering, Faculty of Engineering and IT, University of Sydney, Sydney, Australia
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Medford, MA 02155, USA
| | - Xinquan Jiang
- Department of Prosthodontics, Oral Bioengineering and Regenerative Medicine Lab, Ninth People's Hospital Affiliated to Shanghai Jiao Tong University, School of Medicine, Shanghai, China.
| | - Hala Zreiqat
- Biomaterials and Tissue Engineering Research Unit, School of AMME, Faculty of Engineering and IT, University of Sydney, Sydney, Australia.
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Xia H, Liang C, Luo P, Huang J, He J, Wang Z, Cao X, Peng C, Wu S. Pericellular collagen I coating for enhanced homing and chondrogenic differentiation of mesenchymal stem cells in direct intra-articular injection. Stem Cell Res Ther 2018; 9:174. [PMID: 29945671 PMCID: PMC6020325 DOI: 10.1186/s13287-018-0916-z] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 05/09/2018] [Accepted: 05/27/2018] [Indexed: 01/06/2023] Open
Abstract
Background Direct intra-articular injection (DIAI) of mesenchymal stem cells (MSCs) is a promising technique for cartilage repair. However, the repair process was hindered by the absence of scaffold and poor cell–matrix interactions. Methods In this study, we developed a pericellular collagen I coating (PCC) on MSCs. The overall performances of MSC-PCC homing, chondrogenic differentiation, and cartilage regeneration have been comprehensively evaluated in a New Zealand rabbit model. Firstly, we examined the morphology and physical characteristics of PCC. Secondly, MSC ex-vivo cartilage slice adhesion and in-vivo cartilage defect homing were observed using multiscale methods. Thirdly, the precartilage condensation of cell pellets formed by aggregation of MSCs was examined to evaluate the cartilage-inducing potential of PCC. Finally, the cartilage regeneration by DIAI of PCC-coated MSCs was observed and scored macroscopically and histologically. Results In general, the cell adhesion and homing assay revealed that PCC facilitated MSC adhesion on cartilage slices, enhancing MSC homing and retention to cartilage defect. This increased homing ratio was accompanied by an increasing cell–cell contact. Compared with naked MSCs, the cell pellets formed by PCC-coated MSCs exhibited more evident appearance of condensation. In pellets, cell–cell interaction has been significantly stimulated, inducing the expression of condensation marker N-cadherin, and subsequent chondrogenic marker collagen II and aggrecan. By 12 weeks after DIAI, cartilage defects have been repaired by MSCs to varying degrees. Overall, PCC significantly enhances the quality of cartilage regeneration judging from macroscopic observation, ICRS score, histological examination, and collagen type I, II, and X immunohistochemical staining. Conclusions The capacity and viability of MSCs can be enhanced by collagen I coating, which provides cues for enhancing cell homing and differentiation. Our method provides a novel strategy for stem cell therapy. Electronic supplementary material The online version of this article (10.1186/s13287-018-0916-z) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Hansong Xia
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Chi Liang
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Pan Luo
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Junjie Huang
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Jinshen He
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Zili Wang
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China
| | - Xu Cao
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China.
| | - Cheng Peng
- Department of Burns and Plastic Surgery, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China.
| | - Song Wu
- Department of Orthopaedics, 3rd Xiangya Hospital, Central South University, Changsha, 410013, China.
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Park KS, Kim BJ, Lih E, Park W, Lee SH, Joung YK, Han DK. Versatile effects of magnesium hydroxide nanoparticles in PLGA scaffold-mediated chondrogenesis. Acta Biomater 2018; 73:204-216. [PMID: 29673840 DOI: 10.1016/j.actbio.2018.04.022] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 03/28/2018] [Accepted: 04/11/2018] [Indexed: 12/18/2022]
Abstract
Artificial scaffolds made up of various synthetic biodegradable polymers have been reported to have many advantages including cheap manufacturing, easy scale up, high mechanical strength, convenient manipulation, and molding into an unlimited variety of shapes. However, the synthetic biodegradable polymers still have the insufficiency for cartilage regeneration owing to their acidic degradation products. To reduce acidification by degradation of synthetic polymers, we incorporated magnesium hydroxide (MH) nanoparticles into porous polymer scaffold not only to effectively neutralize the acidic hydrolysate but also to minimize the structural disturbance of scaffolds. The neutralization effect of poly(D,L-lactic-co-glycolic acid; PLGA)/MH scaffold was confirmed with the maintenance of neutral pH, contrary to a PLGA scaffold with low pH. Further, the scaffolds were applied to evaluate the chondrogenic differentiation of the human bone marrow mesenchymal stem cells. In in vitro study, the PLGA/MH scaffold enhanced the chondrogenesis markers and reduced the calcification, compared to the PLGA scaffold. Additionally, the PLGA/MH scaffold reduced the release of inflammatory cytokines, compared to the PLGA scaffold, as the cell death decreased. Moreover, the addition of MH reduced necrotic cell death at the early stage of chondrogenic differentiation. Further, the necrotic cell death by the PLGA scaffold was mediated by cleavage of caspase-1, the so-called interleukin 1-converting enzyme, and MH alleviated it as well as nuclear factor kappa B expression. Furthermore, the PLGA/MH scaffold highly supported chondrogenic healing of rat osteochondral defect sites in in vivo study. Therefore, it was suggested that a synthetic polymer scaffold containing MH could be a novel healing tool to support cartilage regeneration and further treatment of orthopedic patients. STATEMENT OF SIGNIFICANCE Synthetic polymer scaffolds have been widely utilized for tissue regeneration. However, they have a disadvantage of releasing acidic products through degradation. This paper demonstrated a novel type of synthetic polymer scaffold with pH-neutralizing ceramic nanoparticles composed of magnesium hydroxide for cartilage regeneration. This polymer showed pH-neutralization property during polymer degradation and significant enhancement of chondrogenic differentiation of mesenchymal stem cells. It reduced not only chondrogenic calcification but also release of proinflammatory cytokines. Moreover, it has an inhibitory effect on necrotic cell death, particularly caspase-1-mediated necrotic cell death (pyroptosis). In in vivo study, it showed higher healing rate of the damaged cartilage in a rat osteochondral defect model. We expected that this novel type of scaffold can be effectively applied to support cartilage regeneration and further treatment of orthopedic patients.
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Affiliation(s)
- Kwang-Sook Park
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 02792, Republic of Korea
| | - Byoung-Ju Kim
- Department of Biomedical Science, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi 13488, Republic of Korea
| | - Eugene Lih
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 02792, Republic of Korea
| | - Wooram Park
- Department of Biomedical Science, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi 13488, Republic of Korea
| | - Soo-Hong Lee
- Department of Biomedical Science, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi 13488, Republic of Korea
| | - Yoon Ki Joung
- Center for Biomaterials, Biomedical Research Institute, Korea Institute of Science and Technology, Hwarangno 14-gil 5, Seongbuk-gu, Seoul 02792, Republic of Korea; Department of Biomedical Engineering, Korea University of Science and Technology, 217 Gajeong-ro, Yuseong-gu, Daejeon 34113, Republic of Korea.
| | - Dong Keun Han
- Department of Biomedical Science, CHA University, 335 Pangyo-ro, Bundang-gu, Seongnam-si, Gyeonggi 13488, Republic of Korea.
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Hu T, Xu H, Wang C, Qin H, An Z. Magnesium enhances the chondrogenic differentiation of mesenchymal stem cells by inhibiting activated macrophage-induced inflammation. Sci Rep 2018; 8:3406. [PMID: 29467509 PMCID: PMC5821731 DOI: 10.1038/s41598-018-21783-2] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Accepted: 02/09/2018] [Indexed: 12/22/2022] Open
Abstract
Magnesium deficiency increases the generation of pro-inflammatory cytokines, which is consistently accompanied by the sensitization of cells such as neutrophils, macrophages and endothelial cells. We investigated the potential of magnesium to regulate macrophage polarization and macrophage-induced inflammation with or without lipopolysaccharide (LPS) and interferon-γ (IFN-γ) activation and further elucidated whether these effects impact the inhibitory functions of activated macrophage-induced inflammation on cartilage regeneration. The results showed that magnesium inhibited the activation of macrophages, as indicated by a significant reduction in the percentage of CCR7-positive cells, while the percentage of CD206-positive cells decreased to a lesser degree. After activation, both pro-inflammatory and anti-inflammatory cytokines were down-regulated at the mRNA level and certain cytokines (IL-1β, IL-6 and IL-10) were decreased in the cell supernatant with the addition of magnesium. Moreover, magnesium decreased the nuclear translocation and phosphorylation of nuclear factor-κB (NF-κB) to impede its activation. A modified micromass culture system was applied to assess the effects of activated macrophage-conditioned medium with or without magnesium treatment on the chondrogenic differentiation of human bone marrow mesenchymal stem cells (hBMSCs). Magnesium enhanced the chondrogenic differentiation of hBMSCs by reversing the adverse effects of activated macrophage-induced inflammation.
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Affiliation(s)
- Tu Hu
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Haitao Xu
- Trauma Center, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chongyang Wang
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Hui Qin
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Zhiquan An
- Department of Orthopedics, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
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37
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Urbaczek AC, Leão PAGC, Souza FZRD, Afonso A, Vieira Alberice J, Cappelini LTD, Carlos IZ, Carrilho E. Endothelial Cell Culture Under Perfusion On A Polyester-Toner Microfluidic Device. Sci Rep 2017; 7:10466. [PMID: 28874818 PMCID: PMC5585355 DOI: 10.1038/s41598-017-11043-0] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2016] [Accepted: 08/18/2017] [Indexed: 01/09/2023] Open
Abstract
This study presents an inexpensive and easy way to produce a microfluidic device that mimics a blood vessel, serving as a start point for cell culture under perfusion, cardiovascular research, and toxicological studies. Endpoint assays (i.e., MTT reduction and NO assays) were used and revealed that the components making up the microchip, which is made of polyester and toner (PT), did not induce cell death or nitric oxide (NO) production. Applying oxygen plasma and fibronectin improved the adhesion and proliferation endothelial cell along the microchannel. As expected, these treatments showed an increase in vascular endothelial growth factor (VEGF-A) concentration profiles, which is correlated with adherence and cell proliferation, thus promoting endothelialization of the device for neovascularization. Regardless the simplicity of the device, our “vein-on-a-chip” mimetic has a potential to serve as a powerful tool for those that demand a rapid microfabrication method in cell biology or organ-on-a-chip research.
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Affiliation(s)
- Ana Carolina Urbaczek
- Instituto de Química de São Carlos, IQSC, Universidade de São Paulo, USP, São Carlos, SP, Brazil.,Instituto Nacional de Ciência e Tecnologia de Bioanalítica, INCTBio, Campinas, SP, Brazil
| | - Paulo Augusto Gomes Carneiro Leão
- Instituto de Química de São Carlos, IQSC, Universidade de São Paulo, USP, São Carlos, SP, Brazil.,Instituto Nacional de Ciência e Tecnologia de Bioanalítica, INCTBio, Campinas, SP, Brazil
| | - Fayene Zeferino Ribeiro de Souza
- Instituto de Química de São Carlos, IQSC, Universidade de São Paulo, USP, São Carlos, SP, Brazil.,Instituto Nacional de Ciência e Tecnologia de Bioanalítica, INCTBio, Campinas, SP, Brazil
| | - Ana Afonso
- Instituto de Química de São Carlos, IQSC, Universidade de São Paulo, USP, São Carlos, SP, Brazil.,GHTM - Global Health and Tropical Medicine, Instituto de Higiene e Medicina Tropical, IHMT, Universidade Nova de Lisboa, UNL, Lisboa, Portugal.,Laboratório de Parasitologia, Departamento de Morfologia e Patologia, Universidade Federal de São Carlos, UFSCar, São Carlos, SP, Brazil
| | - Juliana Vieira Alberice
- Instituto de Química de São Carlos, IQSC, Universidade de São Paulo, USP, São Carlos, SP, Brazil.,Instituto Nacional de Ciência e Tecnologia de Bioanalítica, INCTBio, Campinas, SP, Brazil
| | - Luciana Teresa Dias Cappelini
- Instituto de Química de São Carlos, IQSC, Universidade de São Paulo, USP, São Carlos, SP, Brazil.,Escola Paulista de Medicina, Universidade Federal de São Paulo, Unifesp, São Paulo, SP, Brazil
| | - Iracilda Zeppone Carlos
- Faculdade de Ciências Farmacêuticas, FCFar, Universidade Estadual Paulista, UNESP, Araraquara, SP, Brazil
| | - Emanuel Carrilho
- Instituto de Química de São Carlos, IQSC, Universidade de São Paulo, USP, São Carlos, SP, Brazil. .,Instituto Nacional de Ciência e Tecnologia de Bioanalítica, INCTBio, Campinas, SP, Brazil.
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38
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Kohno Y, Mizuno M, Ozeki N, Katano H, Komori K, Fujii S, Otabe K, Horie M, Koga H, Tsuji K, Matsumoto M, Kaneko H, Takazawa Y, Muneta T, Sekiya I. Yields and chondrogenic potential of primary synovial mesenchymal stem cells are comparable between rheumatoid arthritis and osteoarthritis patients. Stem Cell Res Ther 2017; 8:115. [PMID: 28511664 PMCID: PMC5434623 DOI: 10.1186/s13287-017-0572-8] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2016] [Revised: 04/30/2017] [Accepted: 05/03/2017] [Indexed: 12/29/2022] Open
Abstract
BACKGROUND Mesenchymal stem cells derived from the synovial membrane (synovial MSCs) are a candidate cell source for regenerative medicine of cartilage and menisci due to their high chondrogenic ability. Regenerative medicine can be expected for RA patients with the inflammation well-controlled as well as OA patients and transplantation of synovial MSCs would also be a possible therapeutic treatment. Some properties of synovial MSCs vary dependent on the diseases patients have, and whether or not the pathological condition of RA affects the chondrogenesis of synovial MSCs remains controversial. The purpose of this study was to compare the properties of primary synovial MSCs between RA and OA patients. METHODS Human synovial tissue was harvested during total knee arthroplasty from the knee joints of eight patients with RA and OA respectively. Synovial nucleated cells were cultured for 14 days. Total cell yields, surface markers, and differentiation potentials were analyzed for primary synovial MSCs. RESULTS Nucleated cell number per 1 mg synovium was 8.4 ± 3.9 thousand in RA and 8.0 ± 0.9 thousand in OA. Total cell number after 14-day culture/1 mg synovium was 0.7 ± 0.4 million in RA and 0.5 ± 0.3 million in OA, showing no significant difference between in RA and OA. Cells after 14-day culture were mostly positive for CD44, CD73, CD90, CD105, negative for CD45 both in RA and OA. There was no significant difference for the cartilage pellet weight and sGAG content per pellet between in RA and OA. Both oil red O-positive colony rate and alizarin red-positive colony rate were similar in RA and OA. CONCLUSIONS Yields, surface markers and chondrogenic potential of primary synovial MSCs in RA were comparable to those in OA. Synovium derived from RA patients can be the cell source of MSCs for cartilage and meniscus regeneration.
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Affiliation(s)
- Yuji Kohno
- Center for Stem Cells and Regenerative Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Mitsuru Mizuno
- Center for Stem Cells and Regenerative Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Nobutake Ozeki
- Center for Stem Cells and Regenerative Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Hisako Katano
- Center for Stem Cells and Regenerative Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Keiichiro Komori
- Center for Stem Cells and Regenerative Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Shizuka Fujii
- Center for Stem Cells and Regenerative Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Koji Otabe
- Center for Stem Cells and Regenerative Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Masafumi Horie
- Center for Stem Cells and Regenerative Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Hideyuki Koga
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Kunikazu Tsuji
- Department of Cartilage Regeneration, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan
| | - Mikio Matsumoto
- Department of Orthopaedic Surgery, Juntendo University Hospital, 3-1-3 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Haruka Kaneko
- Department of Orthopaedic Surgery, Juntendo University Hospital, 3-1-3 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Yuji Takazawa
- Department of Orthopaedic Surgery, Juntendo University Hospital, 3-1-3 Hongo, Bunkyo-ku, Tokyo, 113-8431, Japan
| | - Takeshi Muneta
- Department of Joint Surgery and Sports Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan.,National Hospital Organization Disaster Medical Center, 3256 Midoricho, Tachikawa-shi, Tokyo, 190-0014, Japan
| | - Ichiro Sekiya
- Center for Stem Cells and Regenerative Medicine, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-ku, Tokyo, 113-8510, Japan.
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Mitri E, Millucci L, Merolle L, Bernardini G, Vaccari L, Gianoncelli A, Santucci A. A new light on Alkaptonuria: A Fourier-transform infrared microscopy (FTIRM) and low energy X-ray fluorescence (LEXRF) microscopy correlative study on a rare disease. Biochim Biophys Acta Gen Subj 2017; 1861:1000-1008. [DOI: 10.1016/j.bbagen.2017.02.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2016] [Revised: 01/27/2017] [Accepted: 02/08/2017] [Indexed: 12/23/2022]
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Martinez Sanchez AH, Feyerabend F, Laipple D, Willumeit-Römer R, Weinberg A, Luthringer BJ. Chondrogenic differentiation of ATDC5-cells under the influence of Mg and Mg alloy degradation. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2017; 72:378-388. [DOI: 10.1016/j.msec.2016.11.062] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/12/2016] [Revised: 10/25/2016] [Accepted: 11/11/2016] [Indexed: 11/27/2022]
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Kumar R, Griffin M, Butler P. A Review of Current Regenerative Medicine Strategies that Utilize Nanotechnology to Treat Cartilage Damage. Open Orthop J 2016; 10:862-876. [PMID: 28217211 PMCID: PMC5299562 DOI: 10.2174/1874325001610010862] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/27/2016] [Revised: 05/31/2016] [Accepted: 05/31/2016] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Cartilage is an important tissue found in a variety of anatomical locations. Damage to cartilage is particularly detrimental, owing to its intrinsically poor healing capacity. Current reconstructive options for cartilage repair are limited, and alternative approaches are required. Biomaterial science and Tissue engineering are multidisciplinary areas of research that integrate biological and engineering principles for the purpose of restoring premorbid tissue function. Biomaterial science traditionally focuses on the replacement of diseased or damaged tissue with implants. Conversely, tissue engineering utilizes porous biomimetic scaffolds, containing cells and bioactive molecules, to regenerate functional tissue. However, both paradigms feature several disadvantages. Faced with the increasing clinical burden of cartilage defects, attention has shifted towards the incorporation of Nanotechnology into these areas of regenerative medicine. METHODS Searches were conducted on Pubmed using the terms "cartilage", "reconstruction", "nanotechnology", "nanomaterials", "tissue engineering" and "biomaterials". Abstracts were examined to identify articles of relevance, and further papers were obtained from the citations within. RESULTS The content of 96 articles was ultimately reviewed. The literature yielded no studies that have progressed beyond in vitro and in vivo experimentation. Several limitations to the use of nanomaterials to reconstruct damaged cartilage were identified in both the tissue engineering and biomaterial fields. CONCLUSION Nanomaterials have unique physicochemical properties that interact with biological systems in novel ways, potentially opening new avenues for the advancement of constructs used to repair cartilage. However, research into these technologies is in its infancy, and clinical translation remains elusive.
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Affiliation(s)
- R. Kumar
- Medicine, UCL Division of Surgery & Interventional Science, London, UK
| | - M. Griffin
- Medicine, UCL Division of Surgery & Interventional Science, London, UK
| | - P.E. Butler
- Medicine, UCL Division of Surgery & Interventional Science, London, UK
- Department of Plastic and Reconstructive Surgery, Royal Free Hampstead NHS Trust Hospital, London, UK
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Pretreatment with IL-1β enhances proliferation and chondrogenic potential of synovium-derived mesenchymal stem cells. Cytotherapy 2016; 19:181-193. [PMID: 27979606 DOI: 10.1016/j.jcyt.2016.11.004] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2016] [Revised: 09/28/2016] [Accepted: 11/03/2016] [Indexed: 12/22/2022]
Abstract
BACKGROUND AIMS Synovial mesenchymal stem cells (MSCs) are an attractive cell source for cartilage regeneration because of their high proliferative ability and chondrogenic potential. We have performed clinical trials using synovial MSCs to regenerate articular cartilage. To achieve good clinical outcomes for cell transplantation therapy, it is important to control both quantity (cell number) and quality (pluripotency or chondrogenic potential) of the cells for transplantation. Interleukin (IL)-1β is a pro-inflammatory cytokine with significant pro-proliferative potential for mesenchymal cells. However, the effects of IL-1β on synovial MSCs remain unknown. We investigated the effects of pretreatment with IL-1β on synovial MSCs. METHODS Human synovial tissue was harvested during total knee arthroplasty. Nucleated cells were plated and cultured in the absence or presence of IL-1β at 10-13, 10-12, 10-11, 10-10, 10-9 or 10-8 g/mL for 14 days. RESULTS The number of synovial MSCs increased in a concentration-dependent manner. When cultured for 21 days in chondrogenic medium after pretreatment with 10-8 g/mL IL-1β, pellet aggregation was observed, whereas pretreatment with 10-12, 10-11 or 10-10 g/mL IL-1β significantly increased the weight of cartilage pellets (P <0.01). Surface markers for adhesion ability and pluripotency were reduced with high concentrations of IL-1β. IL-6 and IL-8 expression increased, but no changes in the expression level of growth factors were indicated by cytokine array. CONCLUSIONS We have demonstrated that pretreatment of IL-1β increased the proliferation and chondrogenic potential of synovial MSCs, which may promote the regenerative potential of synovial MSCs.
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Zeng C, Li YS, Wei J, Xie DX, Xie X, Li LJ, Gao SG, Luo W, Xiong YL, Xiao WF, Lei GH. Analgesic effect and safety of single-dose intra-articular magnesium after arthroscopic surgery: a systematic review and meta-analysis. Sci Rep 2016; 6:38024. [PMID: 27901095 PMCID: PMC5128786 DOI: 10.1038/srep38024] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Accepted: 11/03/2016] [Indexed: 12/17/2022] Open
Abstract
To examine the analgesic effect and safety of single-dose intra-articular (IA) magnesium (Mg) after arthroscopic surgery. Pubmed, Embase and Cochrane library were searched through in January 2016. Eight RCTs and eight experimental studies were included. The IA Mg exhibited a significantly lower pain score when compared with placebo (MD, -0.41, 95% CI, -0.78 to -0.05, p = 0.03). There was no significant difference between Mg and bupivacaine in terms of pain relief and the time to first analgesic request. Furthermore, statistically significant differences both in pain score (MD, -0.62, 95% CI, -0.81 to -0.42, p < 0.00001) and time to first analgesic request (MD, 6.25, 95% CI, 5.22 to 7.29, p < 0.00001) were observed between Mg plus bupivacaine and bupivacaine alone. There was no statistically significant difference among the various groups with respect to adverse reactions. Most of the included in vitro studies reported the chondrocyte protective effect of Mg supplementation. There were also two in vivo studies showing the cartilage protective effect of IA Mg. The single-dose IA Mg following arthroscopic surgery was effective in pain relief without increasing adverse reactions, and it could also enhance the analgesic effect of bupivacaine. In addition, Mg seemed to possess the cartilage or chondrocyte protective effect based on experimental studies.
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Affiliation(s)
- Chao Zeng
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, China
| | - Yu-sheng Li
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, China
| | - Jie Wei
- Health Management Center, Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, China
- Department of Epidemiology and Health Statistics, School of Public Health, Central South University, Changsha, Hunan Province, 410008, China
| | - Dong-xing Xie
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, China
| | - Xi Xie
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, China
| | - Liang-jun Li
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, China
| | - Shu-guang Gao
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, China
| | - Wei Luo
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, China
| | - Yi-lin Xiong
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, China
| | - Wen-feng Xiao
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, China
| | - Guang-hua Lei
- Department of Orthopaedics, Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, China
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Vasconcelos DM, Santos SG, Lamghari M, Barbosa MA. The two faces of metal ions: From implants rejection to tissue repair/regeneration. Biomaterials 2016; 84:262-275. [DOI: 10.1016/j.biomaterials.2016.01.046] [Citation(s) in RCA: 64] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 01/20/2016] [Accepted: 01/21/2016] [Indexed: 12/20/2022]
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Ozeki N, Muneta T, Matsuta S, Koga H, Nakagawa Y, Mizuno M, Tsuji K, Mabuchi Y, Akazawa C, Kobayashi E, Saito T, Sekiya I. Synovial mesenchymal stem cells promote meniscus regeneration augmented by an autologous Achilles tendon graft in a rat partial meniscus defect model. Stem Cells 2016; 33:1927-38. [PMID: 25993981 PMCID: PMC4497612 DOI: 10.1002/stem.2030] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2014] [Revised: 02/27/2015] [Accepted: 03/08/2015] [Indexed: 12/26/2022]
Abstract
Although meniscus defects and degeneration are strongly correlated with the later development of osteoarthritis, the promise of regenerative medicine strategies is to prevent and/or delay the disease's progression. Meniscal reconstruction has been shown in animal models with tendon grafting and transplantation of mesenchymal stem cells (MSCs); however, these procedures have not shown the same efficacy in clinical studies. Here, our aim was to investigate the ability of tendon grafts pretreated with exogenous synovial-derived MSCs to prevent cartilage degeneration in a rat partial meniscus defect model. We removed the anterior half of the medial meniscus and grafted autologous Achilles tendons with or without a 10-minute pretreatment of the tendon with synovial MSCs. The meniscus and surrounding cartilage were evaluated at 2, 4, and 8 weeks (n = 5). Tendon grafts increased meniscus size irrespective of synovial MSCs. Histological scores for regenerated menisci were better in the tendon + MSC group than in the other two groups at 4 and 8 weeks. Both macroscopic and histological scores for articular cartilage were significantly better in the tendon + MSC group at 8 weeks. Implanted synovial MSCs survived around the grafted tendon and native meniscus integration site by cell tracking assays with luciferase+, LacZ+, DiI+, and/or GFP+ synovial MSCs and/or GFP+ tendons. Flow cytometric analysis showed that transplanted synovial MSCs retained their MSC properties at 7 days and host synovial tissue also contained cells with MSC characteristics. Synovial MSCs promoted meniscus regeneration augmented by autologous Achilles tendon grafts and prevented cartilage degeneration in rats. Stem Cells2015;33:1927–1938
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Affiliation(s)
- Nobutake Ozeki
- Department of Joint Surgery and Sports medicine.,Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
| | | | | | | | | | - Mitsuru Mizuno
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
| | - Kunikazu Tsuji
- Department of Cartilage Regeneration, Graduate School of Medicine
| | - Yo Mabuchi
- Department of Biochemistry and Biophysics, Graduate School of Health care Science, Tokyo Medical and Dental University, Tokyo, Japan
| | - Chihiro Akazawa
- Department of Biochemistry and Biophysics, Graduate School of Health care Science, Tokyo Medical and Dental University, Tokyo, Japan
| | - Eiji Kobayashi
- Department of Organ Fabrication, Keio University School of Medicine, Tokyo, Japan
| | - Tomoyuki Saito
- Department of Orthopaedic Surgery, Yokohama City University, Yokohama, Japan
| | - Ichiro Sekiya
- Center for Stem Cell and Regenerative Medicine, Tokyo Medical and Dental University, Tokyo, Japan
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Priming Adipose-Derived Mesenchymal Stem Cells with Hyaluronan Alters Growth Kinetics and Increases Attachment to Articular Cartilage. Stem Cells Int 2016; 2016:9364213. [PMID: 26981136 PMCID: PMC4770159 DOI: 10.1155/2016/9364213] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2015] [Accepted: 01/10/2016] [Indexed: 01/06/2023] Open
Abstract
Background. Biological therapeutics such as adipose-derived mesenchymal stem cell (MSC) therapy are gaining acceptance for knee-osteoarthritis (OA) treatment. Reports of OA-patients show reductions in cartilage defects and regeneration of hyaline-like-cartilage with MSC-therapy. Suspending MSCs in hyaluronan commonly occurs in animals and humans, usually without supporting data. Objective. To elucidate the effects of different concentrations of hyaluronan on MSC growth kinetics. Methods. Using a range of hyaluronan concentrations, we measured MSC adherence and proliferation on culture plastic surfaces and a novel cartilage-adhesion assay. We employed time-course and dispersion imaging to assess MSC binding to cartilage. Cytokine profiling was also conducted on the MSC-secretome. Results. Hyaluronan had dose-dependent effects on growth kinetics of MSCs at concentrations of entanglement point (1 mg/mL). At higher concentrations, viscosity effects outweighed benefits of additional hyaluronan. The cartilage-adhesion assay highlighted for the first time that hyaluronan-primed MSCs increased cell attachment to cartilage whilst the presence of hyaluronan did not. Our time-course suggested patients undergoing MSC-therapy for OA could benefit from joint-immobilisation for up to 8 hours. Hyaluronan also greatly affected dispersion of MSCs on cartilage. Conclusion. Our results should be considered in future trials with MSC-therapy using hyaluronan as a vehicle, for the treatment of OA.
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Li Y, Yue J, Yang C. Unraveling the role of Mg(++) in osteoarthritis. Life Sci 2016; 147:24-9. [PMID: 26800786 DOI: 10.1016/j.lfs.2016.01.029] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2015] [Revised: 01/03/2016] [Accepted: 01/18/2016] [Indexed: 12/29/2022]
Abstract
Mg(++) is widely involved in human physiological processes that may play key roles in the generation and progression of diseases. Osteoarthritis (OA) is a complex joint disorder characterized by articular cartilage degradation, abnormal mineralization and inflammation. Magnesium deficiency is considered to be a major risk factor for OA development and progression. Magnesium deficiency is active in several pathways that have been implicated in OA, including increased inflammatory mediators, cartilage damage, defective chondrocyte biosynthesis, aberrant calcification and a weakened effect of analgesics. Abundant in vitro and in vivo evidence in animal models now suggests that the nutritional supplementation or local infiltration of Mg(++) represent effective therapies for OA. The goal of this review is to summarize the current understanding of the role of Mg(++) in OA with particular emphasis on the related molecular mechanisms involved in OA progression.
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Affiliation(s)
- Yaqiang Li
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tenth People's Hospital of Tongji University, Shanghai, China; School of medicine, Tongji University, Shanghai, China
| | - Jiaji Yue
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tenth People's Hospital of Tongji University, Shanghai, China; School of medicine, Tongji University, Shanghai, China
| | - Chunxi Yang
- Department of Orthopedics, Shanghai Tenth People's Hospital, Tenth People's Hospital of Tongji University, Shanghai, China; School of medicine, Tongji University, Shanghai, China.
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Liangzhi G, Weibin Z, Yuhui S. Magnesium substituted hydroxyapatite whiskers: synthesis, characterization and bioactivity evaluation. RSC Adv 2016. [DOI: 10.1039/c6ra24469f] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Magnesium (Mg) substituted hydroxyapatite (Mg-HAp) whiskers were hydrothermally synthesized using acetamide as a homogeneous precipitation reagent.
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Affiliation(s)
- Gong Liangzhi
- Department of Orthopaedics
- Shanghai Institute of Orthopaedics & Traumatology
- Shanghai Ruijin Hospital
- Shanghai Jiaotong University School of Medicine
- Shanghai
| | - Zhang Weibin
- Department of Orthopaedics
- Shanghai Institute of Orthopaedics & Traumatology
- Shanghai Ruijin Hospital
- Shanghai Jiaotong University School of Medicine
- Shanghai
| | - Shen Yuhui
- Department of Orthopaedics
- Shanghai Institute of Orthopaedics & Traumatology
- Shanghai Ruijin Hospital
- Shanghai Jiaotong University School of Medicine
- Shanghai
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Onder S, Calikoglu-Koyuncu AC, Kazmanli K, Urgen M, Torun Kose G, Kok FN. Behavior of mammalian cells on magnesium substituted bare and hydroxyapatite deposited (Ti,Mg)N coatings. N Biotechnol 2015; 32:747-55. [DOI: 10.1016/j.nbt.2014.11.006] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2014] [Revised: 11/14/2014] [Accepted: 11/24/2014] [Indexed: 01/09/2023]
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50
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Uppstu P, Paakki C, Rosling A. In vitro hydrolysis and magnesium release of poly(d,l-lactide-co-glycolide)-based composites containing bioresorbable glasses and magnesium hydroxide. J Appl Polym Sci 2015. [DOI: 10.1002/app.42646] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Affiliation(s)
- Peter Uppstu
- Laboratory of Polymer Technology; Centre of Excellence in Functional Materials at Biological Interfaces; Åbo Akademi University; Biskopsgatan 8 FI-20500 Åbo Finland
| | - Charlotta Paakki
- Laboratory of Polymer Technology; Centre of Excellence in Functional Materials at Biological Interfaces; Åbo Akademi University; Biskopsgatan 8 FI-20500 Åbo Finland
| | - Ari Rosling
- Laboratory of Polymer Technology; Centre of Excellence in Functional Materials at Biological Interfaces; Åbo Akademi University; Biskopsgatan 8 FI-20500 Åbo Finland
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