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Onodera T, Momma D, Matsuoka M, Kondo E, Suzuki K, Inoue M, Higano M, Iwasaki N. Single-step ultra-purified alginate gel implantation in patients with knee chondral defects. Bone Joint J 2023; 105-B:880-887. [PMID: 37524343 DOI: 10.1302/0301-620x.105b8.bjj-2022-1071.r2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
Aims Implantation of ultra-purified alginate (UPAL) gel is safe and effective in animal osteochondral defect models. This study aimed to examine the applicability of UPAL gel implantation to acellular therapy in humans with cartilage injury. Methods A total of 12 patients (12 knees) with symptomatic, post-traumatic, full-thickness cartilage lesions (1.0 to 4.0 cm2) were included in this study. UPAL gel was implanted into chondral defects after performing bone marrow stimulation technique, and assessed for up to three years postoperatively. The primary outcomes were the feasibility and safety of the procedure. The secondary outcomes were self-assessed clinical scores, arthroscopic scores, tissue biopsies, and MRI-based estimations. Results No obvious adverse events related to UPAL gel implantation were observed. Self-assessed clinical scores, including pain, symptoms, activities of daily living, sports activity, and quality of life, were improved significantly at three years after surgery. Defect filling was confirmed using second-look arthroscopy at 72 weeks. Significantly improved MRI scores were observed from 12 to 144 weeks postoperatively. Histological examination of biopsy specimens obtained at 72 weeks after implantation revealed an extracellular matrix rich in glycosaminoglycan and type II collagen in the reparative tissue. Histological assessment yielded a mean overall International Cartilage Regeneration & Joint Preservation Society II score of 69.1 points (SD 10.4; 50 to 80). Conclusion This study provides evidence supporting the safety of acellular UPAL gel implantation in facilitating cartilage repair. Despite being a single-arm study, it demonstrated the efficacy of UPAL gel implantation, suggesting it is an easy-to-use, one-step method of cartilage tissue repair circumventing the need to harvest donor cells.
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Affiliation(s)
- Tomohiro Onodera
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
- Global Station of Soft Matter, Global Institution for Collaborative Research and Education, Sapporo, Japan
| | - Daisuke Momma
- Center for Sports Medicine, Hokkaido University Hospital, Sapporo, Japan
| | - Masatake Matsuoka
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Eiji Kondo
- Center for Sports Medicine, Hokkaido University Hospital, Sapporo, Japan
- Hokkaido Orthopaedic Memorial Hospital, Sapporo, Japan
| | - Koji Suzuki
- Hokkaido Orthopaedic Memorial Hospital, Sapporo, Japan
| | | | | | - Norimasa Iwasaki
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
- Global Station of Soft Matter, Global Institution for Collaborative Research and Education, Sapporo, Japan
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2
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Xu L, Urita A, Onodera T, Hishimura R, Nonoyama T, Hamasaki M, Liang D, Homan K, Gong JP, Iwasaki N. Ultrapurified Alginate Gel Containing Bone Marrow Aspirate Concentrate Enhances Cartilage and Bone Regeneration on Osteochondral Defects in a Rabbit Model. Am J Sports Med 2021; 49:2199-2210. [PMID: 34061689 DOI: 10.1177/03635465211014186] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Ultrapurified alginate (UPAL) gel implantation has been demonstrated as effective in cartilage repair for osteochondral defects; however, cell transplantation within UPAL gels would be required to treat larger defects. HYPOTHESIS The combination of UPAL gel and bone marrow aspirate concentrate (BMAC) would enhance cartilage repair and subchondral bone repair for large osteochondral defects. STUDY DESIGN Controlled laboratory study. METHODS A total of 104 osteochondral defects (1 defect per knee) of 52 rabbits were randomly divided into 4 groups (26 defects per group): defects without any treatment (Defect group), defects treated using UPAL gel alone (UPAL group), defects treated using UPAL gel containing allogenic bone marrow mesenchymal stromal cells (UPAL-MSC group), and defects treated using UPAL gel containing BMAC (UPAL-BMAC group). At 4 and 16 weeks postoperatively, macroscopic and histologic evaluations and measurements of repaired subchondral bone volumes of reparative tissues were performed. Collagen orientation and mechanical properties of the reparative tissue were assessed at 16 weeks. RESULTS The defects in the UPAL-BMAC group were repaired with hyaline-like cartilage with well-organized collagen structures. The histologic scores at 4 weeks were significantly higher in the UPAL-BMAC group (16.9 ± 2.0) than in the Defect group (4.7 ± 1.9; P < .05), the UPAL group (10.0 ± 3.3; P < .05), and the UPAL-MSC group (12.2 ± 2.9; P < .05). At 16 weeks, the score in the UPAL-BMAC group (24.4 ± 1.7) was significantly higher than those in the Defect group (9.0 ± 3.7; P < .05), the UPAL group (14.2 ± 3.9; P < .05), and the UPAL-MSC group (16.3 ± 3.6; P < .05). At 4 and 16 weeks, the macroscopic evaluations were significantly superior in the UPAL-BMAC group compared with the other groups, and the values of repaired subchondral bone volumes in the UPAL-BMAC group were significantly higher than those in the Defect and UPAL groups. The mechanical properties of the reparative tissues were significantly better in the UPAL-BMAC group than in the other groups. CONCLUSION The implantation of UPAL gel containing BMAC-enhanced hyaline-like cartilage repair and subchondral bone repair of osteochondral defects in a rabbit knee model. CLINICAL RELEVANCE These data support the potential clinical application of 1-step treatment for large osteochondral defects using biomaterial implantation with cell transplantation.
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Affiliation(s)
- Liang Xu
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Atsushi Urita
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Tomohiro Onodera
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
- Global Station of Soft Matter, Global Institution for Collaborative Research and Education (GSS, GI-CoRE), Sapporo, Japan
| | - Ryosuke Hishimura
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Takayuki Nonoyama
- Global Station of Soft Matter, Global Institution for Collaborative Research and Education (GSS, GI-CoRE), Sapporo, Japan
- Faculty of Advanced Life Science, Hokkaido University, Sapporo, Japan
| | - Masanari Hamasaki
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Dawei Liang
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Kentaro Homan
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Jian Ping Gong
- Global Station of Soft Matter, Global Institution for Collaborative Research and Education (GSS, GI-CoRE), Sapporo, Japan
- Faculty of Advanced Life Science, Hokkaido University, Sapporo, Japan
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo, Japan
| | - Norimasa Iwasaki
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
- Global Station of Soft Matter, Global Institution for Collaborative Research and Education (GSS, GI-CoRE), Sapporo, Japan
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3
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Momma D, Onodera T, Kawamura D, Urita A, Matsui Y, Baba R, Funakoshi T, Kondo M, Endo T, Kondo E, Iwasaki N. Acellular Cartilage Repair Technique Based on Ultrapurified Alginate Gel Implantation for Advanced Capitellar Osteochondritis Dissecans. Orthop J Sports Med 2021; 9:2325967121989676. [PMID: 34250159 PMCID: PMC8237226 DOI: 10.1177/2325967121989676] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/14/2020] [Accepted: 10/16/2020] [Indexed: 11/16/2022] Open
Abstract
Background: One of the most important limitations of osteochondral autograft transplant
is the adverse effect on donor sites in the knee. Ultrapurified alginate
(UPAL) gel is a novel biomaterial that enhances hyaline-like cartilage
repair for articular defects. To avoid the need for knee cartilage
autografting when treating osteochondritis dissecans (OCD) of the
capitellum, we developed a surgical procedure involving a bone marrow
stimulation technique (BMST) augmented by implantation of UPAL gel. Hypothesis: BMST augmented by UPAL gel implantation improves the cartilage repair
capacity and provides satisfactory clinical outcomes in OCD of the
capitellum. Study Design: Case series; Level of evidence, 4. Methods: A total of 5 athletes with advanced capitellar OCD in the dominant elbow
underwent BMST augmented by implantation of UPAL gel. The osteochondral
defects were filled with UPAL gel after BMST. At a mean follow-up of 97
weeks, all patients were evaluated clinically and radiographically. Results: At final follow-up, all 5 patients had returned to competitive-level sports,
and 4 patients were free from elbow pain. The mean Timmerman-Andrews score
significantly improved from 100 to 194 points. Radiographically, all
patients exhibited graft incorporation and a normal contour of the
subchondral cortex. Magnetic resonance imaging showed that the preoperative
heterogeneity of the lesion had disappeared, and the signal intensity had
returned to normal. Arthroscopic examinations consistently exhibited
improvement in the International Cartilage Regeneration and Joint
Preservation Society (ICRS) grade of lesions from 3 or 4 to 1 or 2 in 4
patients at 85 weeks postoperatively. Histologic analysis of biopsy
specimens revealed an average total ICRS Visual Assessment Scale II
histologic score of 1060. Conclusion: The acellular cartilage repair technique using UPAL gel for advanced
capitellar OCD provided satisfactory clinical and radiographic results. The
present results suggest that this novel technique is a useful, minimally
invasive approach for treating cartilaginous lesions in athletes.
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Affiliation(s)
- Daisuke Momma
- Center for Sports Medicine, Hokkaido University Hospital, Sapporo, Japan
| | - Tomohiro Onodera
- Faculty of Medicine and Graduate School of Medicine, Department of Orthopaedic Surgery, Hokkaido University, Sapporo, Japan
| | - Daisuke Kawamura
- Faculty of Medicine and Graduate School of Medicine, Department of Orthopaedic Surgery, Hokkaido University, Sapporo, Japan
| | - Atsushi Urita
- Faculty of Medicine and Graduate School of Medicine, Department of Orthopaedic Surgery, Hokkaido University, Sapporo, Japan
| | - Yuichiro Matsui
- Faculty of Medicine and Graduate School of Medicine, Department of Orthopaedic Surgery, Hokkaido University, Sapporo, Japan
| | - Rikiya Baba
- Faculty of Medicine and Graduate School of Medicine, Department of Orthopaedic Surgery, Hokkaido University, Sapporo, Japan
| | | | - Makoto Kondo
- Hokkaido Orthopaedic Memorial Hospital, Sapporo, Japan
| | | | - Eiji Kondo
- Center for Sports Medicine, Hokkaido University Hospital, Sapporo, Japan
| | - Norimasa Iwasaki
- Faculty of Medicine and Graduate School of Medicine, Department of Orthopaedic Surgery, Hokkaido University, Sapporo, Japan
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Therapeutic effects and adaptive limits of an acellular technique by ultrapurified alginate (UPAL) gel implantation in canine osteochondral defect models. Regen Ther 2020; 14:154-159. [PMID: 32110684 PMCID: PMC7033291 DOI: 10.1016/j.reth.2020.01.001] [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: 09/02/2019] [Revised: 11/06/2019] [Accepted: 01/09/2020] [Indexed: 02/02/2023] Open
Abstract
Background The aim of this study was to clarify the objective therapeutic effects of an acellular technique by ultrapurified alginate (UPAL) gel implantation in canine osteochondral defect models. Methods Two osteochondral defects (diameters: 3.0 and 5.0 mm) were created on each patellar groove in both knees of 10 dogs. Defects were divided into four groups (n = 10 each): Group 1, untreated 3.0-mm defect; Group 2, 3.0-mm defect with UPAL gel; Group 3, untreated 5.0-mm defect; and Group 4, 5.0-mm defect with UPAL gel. All surgical procedures were performed by individuals unfamiliar with the technique at an independent institution. Articular surfaces were evaluated grossly and histologically at 27 weeks after operation. Results UPAL gel-treated osteochondral defects showed significantly improved gross appearance in Group 4 and histological appearance in Groups 2 and 4. Reparative tissues in the 3.0-mm defect with UPAL gel were replaced by hyaline-like cartilage tissue. The 5.0-mm defects with UPAL gel were mostly covered with fibrocartilaginous tissue, whereas UPAL gel-untreated defects mostly remained uncovered by any tissue. Conclusions Although an acellular technique using UPAL gel implantation significantly enhanced osteochondral repair in canines, reparative tissues of the large defect with alginate gel comprised of fibrocartilaginous tissue. This surgical technique is effective, especially for small cartilage injuries. Further improvements are required before clinical application in cases of severe osteochondral defects in humans.
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Walter SG, Ossendorff R, Schildberg FA. Articular cartilage regeneration and tissue engineering models: a systematic review. Arch Orthop Trauma Surg 2019; 139:305-316. [PMID: 30382366 DOI: 10.1007/s00402-018-3057-z] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/21/2018] [Indexed: 12/31/2022]
Abstract
INTRODUCTION Cartilage regeneration and restoration is a major topic in orthopedic research as cartilaginous degeneration and damage is associated with osteoarthritis and joint destruction. This systematic review aims to summarize current research strategies in cartilage regeneration research. MATERIALS AND METHODS A Pubmed search for models investigating single-site cartilage defects as well as chondrogenesis was conducted and articles were evaluated for content by title and abstract. Finally, only manuscripts were included, which report new models or approaches of cartilage regeneration. RESULTS The search resulted in 2217 studies, 200 of which were eligible for inclusion in this review. The identified manuscripts consisted of a large spectrum of research approaches spanning from cell culture to tissue engineering and transplantation as well as sophisticated computational modeling. CONCLUSIONS In the past three decades, knowledge about articular cartilage and its defects has multiplied in clinical and experimental settings and the respective body of research literature has grown significantly. However, current strategies for articular cartilage repair have not yet succeeded to replicate the structure and function of innate articular cartilage, which makes it even more important to understand the current strategies and their impact. Therefore, the purpose of this review was to globally summarize experimental strategies investigating cartilage regeneration in vitro as well as in vivo. This will allow for better referencing when designing new models or strategies and potentially improve research translation from bench to bedside.
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Affiliation(s)
- Sebastian G Walter
- Clinic for Orthopedics and Trauma Surgery, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105, Bonn, Germany
| | - Robert Ossendorff
- Clinic for Orthopedics and Trauma Surgery, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105, Bonn, Germany
| | - Frank A Schildberg
- Clinic for Orthopedics and Trauma Surgery, University Hospital Bonn, Sigmund-Freud-Str. 25, 53105, Bonn, Germany.
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Kim W, Onodera T, Kondo E, Kawaguchi Y, Terkawi MA, Baba R, Hontani K, Joutoku Z, Matsubara S, Homan K, Hishimura R, Iwasaki N. Effects of Ultra-Purified Alginate Gel Implantation on Meniscal Defects in Rabbits. Am J Sports Med 2019; 47:640-650. [PMID: 30597120 DOI: 10.1177/0363546518816690] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND Many tissue-engineered methods for meniscal repair have been studied, but their utility remains unclear. HYPOTHESIS Implantation of low-endotoxin, ultra-purified alginate (UPAL) gel without cells could induce fibrocartilage regeneration on meniscal defects in rabbits. STUDY DESIGN Controlled laboratory study. METHODS Forty-two mature Japanese White rabbits were divided into 2 groups of 21 animals each. In each animal, a cylindrical defect measuring 2 mm in diameter was created with a biopsy punch on the anterior horn of the medial meniscus. In the control group, no treatment was applied on the left medial meniscal defect. In the UPAL gel group, the right medial meniscal defect was injected with the UPAL gel and gelated by a CaCl2 solution. Samples were evaluated at 3, 6, and 12 weeks postoperatively. For biomechanical evaluation, 6 additional samples from intact animals were used for comparison. RESULTS The macroscopic score was significantly greater in the UPAL gel group than in the control group at 3 weeks (mean ± SE: 5.6 ± 0.82 vs 3.4 ± 0.83, P = .010), 6 weeks (5.9 ± 0.72 vs 2.5 ± 0.75, P = .026), and 12 weeks (5.2 ± 1.21 vs 1.0 ± 0.63, P = .020). The histological score was significantly greater in the UPAL group than in the control group at 3 weeks (2.1 ± 0.31 vs 1.2 ± 0.25, P = .029) and 12 weeks (2.2 ± 0.55 vs 0.3 ± 0.21, P = .016). The mean stiffness of the reparative tissue in the UPAL gel group was significantly greater than that in the control group at 6 weeks (24.325 ± 3.920 N/mm vs 8.723 ± 1.190 N/mm, P = .006) and at 12 weeks (27.804 ± 6.169 N/mm vs not applicable [because of rupture]). CONCLUSION The UPAL gel enhanced the spontaneous repair of fibrocartilage tissues in a cylindrical meniscal defect in rabbits. CLINICAL RELEVANCE These results imply that the acellular UPAL gel may improve the repair of traumatic meniscal injuries.
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Affiliation(s)
- WooYoung Kim
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Tomohiro Onodera
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan.,Global Station for Soft Matter, Global Institution for Collaborative Research and Education, Hokkaido University, Sapporo, Japan
| | - Eiji Kondo
- Department of Advanced Therapeutic Research for Sports Medicine, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | | | - Mohamad Alaa Terkawi
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan.,Global Station for Soft Matter, Global Institution for Collaborative Research and Education, Hokkaido University, Sapporo, Japan
| | - Rikiya Baba
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Kazutoshi Hontani
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Zenta Joutoku
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Shinji Matsubara
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Kentaro Homan
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Ryosuke Hishimura
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Norimasa Iwasaki
- Department of Orthopedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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7
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Hontani K, Onodera T, Terashima M, Momma D, Matsuoka M, Baba R, Joutoku Z, Matsubara S, Homan K, Hishimura R, Xu L, Iwasaki N. Chondrogenic differentiation of mouse induced pluripotent stem cells using the three-dimensional culture with ultra-purified alginate gel. J Biomed Mater Res A 2019; 107:1086-1093. [PMID: 30665260 DOI: 10.1002/jbm.a.36615] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Revised: 11/25/2018] [Accepted: 12/05/2018] [Indexed: 12/19/2022]
Abstract
As articular cartilages have rarely healed by themselves because of their characteristics of avascularity and low cell density, surgical intervention is ideal for patients with cartilaginous injuries. Because of structural characteristics of the cartilage tissue, a three-dimensional culture of stem cells in biomaterials is a favorable system on cartilage tissue engineering. Induced pluripotent stem cells (iPSCs) are a new cell source in cartilage tissue engineering for its characteristics of self-renewal capability and pluripotency. However, the optimal cultivation condition for chondrogenesis of iPSCs is still unknown. Here we show that a novel chondrogenic differentiation method of iPSCs using the combination of three-dimensional cultivation in ultra-purified alginate gel (UPAL gel) and multi-step differentiation via mesenchymal stem cell-like cells (iPS-MSCs) could efficiently and specifically differentiate iPSCs into chondrocytes. The iPS-MSCs in UPAL gel culture sequentially enhanced the expression of chondrogenic marker without the upregulation of that of osteogenic and adipogenic marker and histologically showed homogeneous chondrogenic extracellular matrix formation. Our results suggest that the pluripotency of iPSCs can be controlled when iPSCs are differentiated into iPS-MSCs before embedding in UPAL gel. These results lead to the establishment of an efficient three-dimensional system to engineer artificial cartilage tissue from iPSCs for cartilage regeneration. © 2019 Wiley Periodicals, Inc. J Biomed Mater Res Part A: 107A: 1086-1093, 2019.
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Affiliation(s)
- Kazutoshi Hontani
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido, Japan
| | - Tomohiro Onodera
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido, Japan.,Global Station for Soft Matter, Global Institution for Collaborative Research and Education, Hokkaido University, Hokkaido, Japan
| | - Michiyo Terashima
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido, Japan
| | - Daisuke Momma
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido, Japan
| | - Masatake Matsuoka
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido, Japan
| | - Rikiya Baba
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido, Japan
| | - Zenta Joutoku
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido, Japan
| | - Shinji Matsubara
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido, Japan
| | - Kentaro Homan
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido, Japan
| | - Ryosuke Hishimura
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido, Japan
| | - Liang Xu
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido, Japan
| | - Norimasa Iwasaki
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Hokkaido, Japan
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Hishimura R, Onodera T, Hontani K, Baba R, Homan K, Matsubara S, Joutoku Z, Kim W, Nonoyama T, Kurokawa T, Gong JP, Iwasaki N. Osteochondral Autograft Transplantation Technique Augmented by an Ultrapurified Alginate Gel Enhances Osteochondral Repair in a Rabbit Model. Am J Sports Med 2019; 47:468-478. [PMID: 30624979 DOI: 10.1177/0363546518817527] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
Abstract
BACKGROUND One of the most important limitations of osteochondral autograft transplantation (OAT) is the adverse effect on donor sites in the knee. To decrease the number and/or size of osteochondral defects, we devised a method with biomaterial implantation after OAT. HYPOTHESIS OAT augmented by ultrapurified alginate (UPAL) gel enhances cartilage repair capacity. STUDY DESIGN Controlled laboratory study. METHODS Seventy-five osteochondral defects in rabbits were divided into 3 groups: osteochondral defects with OAT alone, defects with OAT augmented by UPAL gel (combined group), and defects without intervention as controls. Macroscopic and histological evaluations of the reparative tissues were performed at 4 and 12 weeks postoperatively. Histological evaluation of graft cartilage degradation was also performed. To evaluate the effects of UPAL gel on graft healing, repaired bone volumes and osseointegration of the graft were evaluated. Collagen orientation and the mechanical properties of the reparative tissue and graft cartilage were also evaluated qualitatively. RESULTS The macroscopic and histological evaluations of the combined group were significantly superior to the other groups at 12 weeks postoperatively. Regarding degenerative change of the graft, the histological scores of the combined group were significantly higher than those of the OAT-alone group. The values of repaired subchondral bone volumes and osseointegration of the graft were almost identical in both groups. Collagen orientation and the mechanical properties of the reparative tissue and graft cartilage were significantly better in the combined group than in the other groups. CONCLUSION Administration of UPAL gel in OAT enhanced cartilage repair and protected graft cartilage without inhibiting subchondral bone repair and graft survival. CLINICAL RELEVANCE OAT augmented by UPAL gel decreases the number and/or size of osteochondral grafts, minimizing the risk of donor site morbidity. This combination technique has the potential to improve clinical outcomes and expand the surgical indications for OAT.
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Affiliation(s)
- Ryosuke Hishimura
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Tomohiro Onodera
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan.,Global Station for Soft Matter, Global Institution for Collaborative Research and Education, Hokkaido University, Sapporo, Japan
| | - Kazutoshi Hontani
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Rikiya Baba
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Kentaro Homan
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Shinji Matsubara
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Zenta Joutoku
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - WooYoung Kim
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
| | - Takayuki Nonoyama
- Faculty of Advanced Life Science, Hokkaido University, Sapporo, Japan.,Global Station for Soft Matter, Global Institution for Collaborative Research and Education, Hokkaido University, Sapporo, Japan
| | - Takayuki Kurokawa
- Faculty of Advanced Life Science, Hokkaido University, Sapporo, Japan.,Global Station for Soft Matter, Global Institution for Collaborative Research and Education, Hokkaido University, Sapporo, Japan
| | - Jian Ping Gong
- Faculty of Advanced Life Science, Hokkaido University, Sapporo, Japan.,Global Station for Soft Matter, Global Institution for Collaborative Research and Education, Hokkaido University, Sapporo, Japan
| | - Norimasa Iwasaki
- Department of Orthopaedic Surgery, Faculty of Medicine and Graduate School of Medicine, Hokkaido University, Sapporo, Japan
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9
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Dias IR, Viegas CA, Carvalho PP. Large Animal Models for Osteochondral Regeneration. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1059:441-501. [PMID: 29736586 DOI: 10.1007/978-3-319-76735-2_20] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Namely, in the last two decades, large animal models - small ruminants (sheep and goats), pigs, dogs and horses - have been used to study the physiopathology and to develop new therapeutic procedures to treat human clinical osteoarthritis. For that purpose, cartilage and/or osteochondral defects are generally performed in the stifle joint of selected large animal models at the condylar and trochlear femoral areas where spontaneous regeneration should be excluded. Experimental animal care and protection legislation and guideline documents of the US Food and Drug Administration, the American Society for Testing and Materials and the International Cartilage Repair Society should be followed, and also the specificities of the animal species used for these studies must be taken into account, such as the cartilage thickness of the selected defect localization, the defined cartilage critical size defect and the joint anatomy in view of the post-operative techniques to be performed to evaluate the chondral/osteochondral repair. In particular, in the articular cartilage regeneration and repair studies with animal models, the subchondral bone plate should always be taken into consideration. Pilot studies for chondral and osteochondral bone tissue engineering could apply short observational periods for evaluation of the cartilage regeneration up to 12 weeks post-operatively, but generally a 6- to 12-month follow-up period is used for these types of studies.
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Affiliation(s)
- Isabel R Dias
- Department of Veterinary Sciences, Agricultural and Veterinary Sciences School, University of Trás-os-Montes e Alto Douro (UTAD), Vila Real, Portugal. .,3B's Research Group - Biomaterials, Biodegradables and Biomimetics, Department of Polymer Engineering, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Parque da Ciência e Tecnologia, Zona Industrial da Gandra, Barco - Guimarães, 4805-017, Portugal. .,Department of Veterinary Medicine, ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal.
| | - Carlos A Viegas
- Department of Veterinary Sciences, Agricultural and Veterinary Sciences School, University of Trás-os-Montes e Alto Douro (UTAD), Vila Real, Portugal.,3B's Research Group - Biomaterials, Biodegradables and Biomimetics, Department of Polymer Engineering, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark - Parque da Ciência e Tecnologia, Zona Industrial da Gandra, Barco - Guimarães, 4805-017, Portugal.,Department of Veterinary Medicine, ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Pedro P Carvalho
- Department of Veterinary Medicine, University School Vasco da Gama, Av. José R. Sousa Fernandes 197, Lordemão, Coimbra, 3020-210, Portugal.,CIVG - Vasco da Gama Research Center, University School Vasco da Gama, Coimbra, Portugal
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10
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Pot MW, van Kuppevelt TH, Gonzales VK, Buma P, IntHout J, de Vries RBM, Daamen WF. Augmented cartilage regeneration by implantation of cellular versus acellular implants after bone marrow stimulation: a systematic review and meta-analysis of animal studies. PeerJ 2017; 5:e3927. [PMID: 29093996 PMCID: PMC5661456 DOI: 10.7717/peerj.3927] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2017] [Accepted: 09/25/2017] [Indexed: 12/12/2022] Open
Abstract
Bone marrow stimulation may be applied to regenerate focal cartilage defects, but generally results in transient clinical improvement and formation of fibrocartilage rather than hyaline cartilage. Tissue engineering and regenerative medicine strive to develop new solutions to regenerate hyaline cartilage tissue. This systematic review and meta-analysis provides a comprehensive overview of current literature and assesses the efficacy of articular cartilage regeneration by implantation of cell-laden versus cell-free biomaterials in the knee and ankle joint in animals after bone marrow stimulation. PubMed and EMBASE (via OvidSP) were systematically searched using tissue engineering, cartilage and animals search strategies. Included were primary studies in which cellular and acellular biomaterials were implanted after applying bone marrow stimulation in the knee or ankle joint in healthy animals. Study characteristics were tabulated and outcome data were collected for meta-analysis for studies applying semi-quantitative histology as outcome measure (117 studies). Cartilage regeneration was expressed on an absolute 0–100% scale and random effects meta-analyses were performed. Implantation of cellular biomaterials significantly improved cartilage regeneration by 18.6% compared to acellular biomaterials. No significant differences were found between biomaterials loaded with stem cells and those loaded with somatic cells. Culture conditions of cells did not affect cartilage regeneration. Cartilage formation was reduced with adipose-derived stem cells compared to other cell types, but still improved compared to acellular scaffolds. Assessment of the risk of bias was impaired due to incomplete reporting for most studies. Implantation of cellular biomaterials improves cartilage regeneration compared to acellular biomaterials.
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Affiliation(s)
- Michiel W Pot
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Toin H van Kuppevelt
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Veronica K Gonzales
- Department of Orthopedics, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Pieter Buma
- Department of Orthopedics, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Joanna IntHout
- Department for Health Evidence, Radboud Institute for Health Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Rob B M de Vries
- SYRCLE (SYstematic Review Centre for Laboratory animal Experimentation), Central Animal Laboratory, Radboud university medical center, Nijmegen, The Netherlands
| | - Willeke F Daamen
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
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11
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Goldberg A, Mitchell K, Soans J, Kim L, Zaidi R. The use of mesenchymal stem cells for cartilage repair and regeneration: a systematic review. J Orthop Surg Res 2017; 12:39. [PMID: 28279182 PMCID: PMC5345159 DOI: 10.1186/s13018-017-0534-y] [Citation(s) in RCA: 153] [Impact Index Per Article: 21.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2017] [Accepted: 02/13/2017] [Indexed: 02/08/2023] Open
Abstract
BACKGROUND The management of articular cartilage defects presents many clinical challenges due to its avascular, aneural and alymphatic nature. Bone marrow stimulation techniques, such as microfracture, are the most frequently used method in clinical practice however the resulting mixed fibrocartilage tissue which is inferior to native hyaline cartilage. Other methods have shown promise but are far from perfect. There is an unmet need and growing interest in regenerative medicine and tissue engineering to improve the outcome for patients requiring cartilage repair. Many published reviews on cartilage repair only list human clinical trials, underestimating the wealth of basic sciences and animal studies that are precursors to future research. We therefore set out to perform a systematic review of the literature to assess the translation of stem cell therapy to explore what research had been carried out at each of the stages of translation from bench-top (in vitro), animal (pre-clinical) and human studies (clinical) and assemble an evidence-based cascade for the responsible introduction of stem cell therapy for cartilage defects. This review was conducted in accordance to PRISMA guidelines using CINHAL, MEDLINE, EMBASE, Scopus and Web of Knowledge databases from 1st January 1900 to 30th June 2015. In total, there were 2880 studies identified of which 252 studies were included for analysis (100 articles for in vitro studies, 111 studies for animal studies; and 31 studies for human studies). There was a huge variance in cell source in pre-clinical studies both of terms of animal used, location of harvest (fat, marrow, blood or synovium) and allogeneicity. The use of scaffolds, growth factors, number of cell passages and number of cells used was hugely heterogeneous. SHORT CONCLUSIONS This review offers a comprehensive assessment of the evidence behind the translation of basic science to the clinical practice of cartilage repair. It has revealed a lack of connectivity between the in vitro, pre-clinical and human data and a patchwork quilt of synergistic evidence. Drivers for progress in this space are largely driven by patient demand, surgeon inquisition and a regulatory framework that is learning at the same pace as new developments take place.
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Affiliation(s)
- Andy Goldberg
- Institute of Orthopaedics and Musculoskeletal Science, Royal National Orthopaedic Hospital (RNOH), Brockley Hill Stanmore, London, HA7 4LP UK
| | - Katrina Mitchell
- Institute of Orthopaedics and Musculoskeletal Science, Royal National Orthopaedic Hospital (RNOH), Brockley Hill Stanmore, London, HA7 4LP UK
| | - Julian Soans
- Institute of Orthopaedics and Musculoskeletal Science, Royal National Orthopaedic Hospital (RNOH), Brockley Hill Stanmore, London, HA7 4LP UK
| | - Louise Kim
- Joint Research and Enterprise Office, St George’s University of London and St George’s University Hospitals NHS Foundation Trust, Hunter Wing, Cranmer Terrace, London, SW17 0RE UK
| | - Razi Zaidi
- Institute of Orthopaedics and Musculoskeletal Science, Royal National Orthopaedic Hospital (RNOH), Brockley Hill Stanmore, London, HA7 4LP UK
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12
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Pot MW, Gonzales VK, Buma P, IntHout J, van Kuppevelt TH, de Vries RBM, Daamen WF. Improved cartilage regeneration by implantation of acellular biomaterials after bone marrow stimulation: a systematic review and meta-analysis of animal studies. PeerJ 2016; 4:e2243. [PMID: 27651981 PMCID: PMC5018675 DOI: 10.7717/peerj.2243] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2016] [Accepted: 06/21/2016] [Indexed: 12/21/2022] Open
Abstract
Microfracture surgery may be applied to treat cartilage defects. During the procedure the subchondral bone is penetrated, allowing bone marrow-derived mesenchymal stem cells to migrate towards the defect site and form new cartilage tissue. Microfracture surgery generally results in the formation of mechanically inferior fibrocartilage. As a result, this technique offers only temporary clinical improvement. Tissue engineering and regenerative medicine may improve the outcome of microfracture surgery. Filling the subchondral defect with a biomaterial may provide a template for the formation of new hyaline cartilage tissue. In this study, a systematic review and meta-analysis were performed to assess the current evidence for the efficacy of cartilage regeneration in preclinical models using acellular biomaterials implanted after marrow stimulating techniques (microfracturing and subchondral drilling) compared to the natural healing response of defects. The review aims to provide new insights into the most effective biomaterials, to provide an overview of currently existing knowledge, and to identify potential lacunae in current studies to direct future research. A comprehensive search was systematically performed in PubMed and EMBASE (via OvidSP) using search terms related to tissue engineering, cartilage and animals. Primary studies in which acellular biomaterials were implanted in osteochondral defects in the knee or ankle joint in healthy animals were included and study characteristics tabulated (283 studies out of 6,688 studies found). For studies comparing non-treated empty defects to defects containing implanted biomaterials and using semi-quantitative histology as outcome measure, the risk of bias (135 studies) was assessed and outcome data were collected for meta-analysis (151 studies). Random-effects meta-analyses were performed, using cartilage regeneration as outcome measure on an absolute 0–100% scale. Implantation of acellular biomaterials significantly improved cartilage regeneration by 15.6% compared to non-treated empty defect controls. The addition of biologics to biomaterials significantly improved cartilage regeneration by 7.6% compared to control biomaterials. No significant differences were found between biomaterials from natural or synthetic origin or between scaffolds, hydrogels and blends. No noticeable differences were found in outcome between animal models. The risk of bias assessment indicated poor reporting for the majority of studies, impeding an assessment of the actual risk of bias. In conclusion, implantation of biomaterials in osteochondral defects improves cartilage regeneration compared to natural healing, which is further improved by the incorporation of biologics.
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Affiliation(s)
- Michiel W Pot
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Veronica K Gonzales
- Department of Orthopedics, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Pieter Buma
- Department of Orthopedics, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Joanna IntHout
- Department for Health Evidence, Radboud Institute for Health Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Toin H van Kuppevelt
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
| | - Rob B M de Vries
- SYRCLE (SYstematic Review Centre for Laboratory animal Experimentation), Central Animal Laboratory, Radboud university medical center, Nijmegen, The Netherlands
| | - Willeke F Daamen
- Department of Biochemistry, Radboud Institute for Molecular Life Sciences, Radboud university medical center, Nijmegen, The Netherlands
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13
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Moran CJ, Ramesh A, Brama PAJ, O'Byrne JM, O'Brien FJ, Levingstone TJ. The benefits and limitations of animal models for translational research in cartilage repair. J Exp Orthop 2016; 3:1. [PMID: 26915001 PMCID: PMC4703594 DOI: 10.1186/s40634-015-0037-x] [Citation(s) in RCA: 115] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 12/28/2015] [Indexed: 12/31/2022] Open
Abstract
Much research is currently ongoing into new therapies for cartilage defect repair with new biomaterials frequently appearing which purport to have significant regenerative capacity. These biomaterials may be classified as medical devices, and as such must undergo rigorous testing before they are implanted in humans. A large part of this testing involves in vitro trials and biomechanical testing. However, in order to bridge the gap between the lab and the clinic, in vivo preclinical trials are required, and usually demanded by regulatory approval bodies. This review examines the in vivo models in current use for cartilage defect repair testing and the relevance of each in the context of generated results and applicability to bringing the device to clinical practice. Some of the preclinical models currently used include murine, leporine, ovine, caprine, porcine, canine, and equine models. Each of these has advantages and disadvantages in terms of animal husbandry, cartilage thickness, joint biomechanics and ethical and licencing issues. This review will examine the strengths and weaknesses of the various animal models currently in use in preclinical studies of cartilage repair.
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Affiliation(s)
- Conor J Moran
- Tissue Engineering Research Group, Department of Anatomy, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland.,Trinity Centre for Bioengineering, Trinity College Dublin, Dublin 2, Ireland.,Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI & TCD, Dublin, Ireland
| | - Ashwanth Ramesh
- Tissue Engineering Research Group, Department of Anatomy, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland.,Trinity Centre for Bioengineering, Trinity College Dublin, Dublin 2, Ireland.,Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI & TCD, Dublin, Ireland
| | - Pieter A J Brama
- Section of Veterinary Clinical Sciences, School of Veterinary Medicine, University College Dublin, Dublin, Ireland
| | - John M O'Byrne
- Tissue Engineering Research Group, Department of Anatomy, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland.,Cappagh National Orthopaedic Hospital, Finglas, Dublin 11, Ireland
| | - Fergal J O'Brien
- Tissue Engineering Research Group, Department of Anatomy, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland.,Trinity Centre for Bioengineering, Trinity College Dublin, Dublin 2, Ireland.,Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI & TCD, Dublin, Ireland
| | - Tanya J Levingstone
- Tissue Engineering Research Group, Department of Anatomy, Royal College of Surgeons in Ireland, 123 St. Stephen's Green, Dublin 2, Ireland. .,Trinity Centre for Bioengineering, Trinity College Dublin, Dublin 2, Ireland. .,Advanced Materials and Bioengineering Research (AMBER) Centre, RCSI & TCD, Dublin, Ireland.
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14
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Tsukuda Y, Onodera T, Ito M, Izumisawa Y, Kasahara Y, Igarashi T, Ohzawa N, Todoh M, Tadano S, Iwasaki N. Therapeutic effects of intra-articular ultra-purified low endotoxin alginate administration on an experimental canine osteoarthritis model. J Biomed Mater Res A 2015; 103:3441-8. [PMID: 25904112 DOI: 10.1002/jbm.a.35490] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Revised: 04/12/2015] [Accepted: 04/15/2015] [Indexed: 11/10/2022]
Abstract
OBJECTIVE This study aimed to elucidate the therapeutic effects of intra-articular administration of ultra-purified low endotoxin alginate (UPLE-alginate) on osteoarthritis (OA) using a canine anterior cruciate ligament transection (ACLT) model. DESIGN We used 20 beagle dogs. ACLT was performed on the left knee of each dog and a sham operation was performed on the right knee as a control. All animals were randomly divided into the control (saline) and therapeutic (UPLE-alginate) groups. Animals in the control and therapeutic groups received weekly injections with 0.7 mL normal saline or 0.7 mL 0.5% UPLE-alginate, respectively, from 0 to 3 weeks after ACLT or sham operation. At 9 weeks after ACLT, the knee joints of all animals were observed using arthroscopy. All animals were euthanized at 14 weeks after ACLT and evaluated using morphologic assessment, histologic assessment, and biomechanical testing. RESULTS Arthroscopic findings showed intact cartilage surface in both groups. Morphologic findings in the therapeutic group showed milder degeneration compared with those of the control group, but there were no significant differences between groups. Histologic scores of the medial femoral condyle (MFC) and lateral femoral condyle (LFC) were better in the therapeutic group than the control group (MFC: p = 0.009, LFC: p = 0.009). Joint lubrication did not differ significantly between groups. CONCLUSION Intra-articular administration of UPLE-alginate in the early stage of OA slowed disease progression in canines. UPLE-alginate may have potential as a therapeutic agent for OA patients and reduce the number of patients who need to undergo total joint arthroplasty.
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Affiliation(s)
- Yukinori Tsukuda
- Department of Orthopaedic Surgery, Hokkaido University School of Medicine, Sapporo, Japan
| | - Tomohiro Onodera
- Department of Orthopaedic Surgery, Hokkaido University School of Medicine, Sapporo, Japan
| | - Masayuki Ito
- Department of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Japan
| | - Yasuharu Izumisawa
- Department of Veterinary Medicine, Rakuno Gakuen University, Ebetsu, Japan
| | - Yasuhiko Kasahara
- Department of Orthopaedic Surgery, Hokkaido University School of Medicine, Sapporo, Japan
| | - Tatsuya Igarashi
- Department of Orthopaedic Surgery, Hokkaido University School of Medicine, Sapporo, Japan
| | - Nobuo Ohzawa
- Business Development Division, Mochida Pharmaceutical Co., Ltd., Tokyo, Japan
| | - Masahiro Todoh
- Division of Human Mechanical Systems and Design, Faculty of Engineering, Hokkaido University, Sapporo, Japan
| | - Shigeru Tadano
- Division of Human Mechanical Systems and Design, Faculty of Engineering, Hokkaido University, Sapporo, Japan
| | - Norimasa Iwasaki
- Department of Orthopaedic Surgery, Hokkaido University School of Medicine, Sapporo, Japan
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15
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Ikuta K, Urakawa H, Kozawa E, Hamada S, Ota T, Kato R, Honda H, Kobayashi T, Ishiguro N, Nishida Y. In vivoheat-stimulus-triggered osteogenesis. Int J Hyperthermia 2014; 31:58-66. [DOI: 10.3109/02656736.2014.988662] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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16
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Sakata R, Kokubu T, Mifune Y, Inui A, Nishimoto H, Fujioka H, Kuroda R, Kurosaka M. A new bioabsorbable cotton-textured synthetic polymer scaffold for osteochondral repair. INTERNATIONAL ORTHOPAEDICS 2014; 38:2413-20. [PMID: 24384940 DOI: 10.1007/s00264-013-2253-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2013] [Accepted: 12/06/2013] [Indexed: 11/24/2022]
Abstract
PURPOSE We have previously reported that a cylindrical bioabsorbable synthetic polymer scaffold made of poly (DL-lactide-co-glycolide) (PLG) can be used to repair osteochondral defects without using cultured cells in a rabbit model. This cylindrical scaffold has a solid and pre-formed design, which limits its widespread application. Therefore, we created a cotton-textured PLG scaffold, which would be superior to other scaffolds in terms of plastic property and operability. The purpose of the present study was to examine the efficacy of the cotton-textured PLG scaffold in the repair of osteochondral defects. METHODS Cotton-textured PLG scaffolds were prepared using the electrospinning method and used to repair osteochondral defects produced on the right femoral condyle in 36 rabbits. As a control, the defect was left untreated. The outcomes of repair were examined histologically at postoperative weeks four, eight, and 12. RESULTS In the untreated control group, the surface of the defect remained concave and the regenerated cartilaginous tissue partially covered the articular surface even at postoperative week 12. In the scaffold group, cartilaginous tissue covered the surface of the defect at postoperative week four, and the surface was smooth and the cartilaginous tissue was well regenerated and integrated with the native cartilage at postoperative week 12. CONCLUSIONS The cotton-textured PLG scaffold could repair the osteochondral defect with good outcomes similar to those previously reported for the cylindrical scaffold, with its characteristic advantages of better plasticity and operability. We conclude that the cotton-textured PLG scaffold has potential for clinical application in comminuted osteochondral injury.
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Affiliation(s)
- Ryosuke Sakata
- Department of Orthopaedic Surgery, Kobe University Graduate School of Medicine, 7-5-1 Kusunoki-cho, Chuo-ku, Kobe, Hyogo, 650-0017, Japan
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17
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Development of cartilage tissue engineering techniques based on biomedical research. J Orthop Sci 2014; 19:699-706. [PMID: 24994484 PMCID: PMC4169655 DOI: 10.1007/s00776-014-0594-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/06/2014] [Accepted: 05/15/2014] [Indexed: 11/29/2022]
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18
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Current world literature. Curr Opin Organ Transplant 2012; 17:688-99. [PMID: 23147911 DOI: 10.1097/mot.0b013e32835af316] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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19
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New perspectives in cell delivery systems for tissue regeneration: natural-derived injectable hydrogels. J Appl Biomater Funct Mater 2012; 10:67-81. [PMID: 22865572 DOI: 10.5301/jabfm.2012.9418] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/04/2012] [Indexed: 01/11/2023] Open
Abstract
Natural polymers, because of their biocompatibility, availability, and physico-chemical properties have been the materials of choice for the fabrication of injectable hydrogels for regenerative medicine. In particular, they are appealing materials for delivery systems and provide sustained and controlled release of drugs, proteins, gene, cells, and other active biomolecules immobilized.In this work, the use of hydrogels obtained from natural source polymers as cell delivery systems is discussed. These materials were investigated for the repair of cartilage, bone, adipose tissue, intervertebral disc, neural, and cardiac tissue. Papers from the last ten years were considered, with a particular focus on the advances of the last five years. A critical discussion is centered on new perspectives and challenges in the regeneration of specific tissues, with the aim of highlighting the limits of current systems and possible future advancements.
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20
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Chang NJ, Lin CC, Li CF, Su K, Yeh ML. The effect of osteochondral regeneration using polymer constructs and continuous passive motion therapy in the lower weight-bearing zone of femoral trocheal groove in rabbits. Ann Biomed Eng 2012; 41:385-97. [PMID: 22987137 DOI: 10.1007/s10439-012-0656-7] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2012] [Accepted: 09/04/2012] [Indexed: 11/25/2022]
Abstract
Remedying patellofemoral osteochondral defects using clinical therapy remains challenging. Construct-based and cell-based regenerative medicine with in vitro physical stimuli has been progressively implemented. However, the effect of physical stimuli in situ in knee joints with degradable constructs is still not well-documented. Therefore, we studied whether it was practical to achieve articular cartilage repair using a poly(lactic-co-glycolic acid) (PLGA) construct in addition to early short-term continuous passive motion (CPM) for treatment of full-thickness osteochondral defects in the lower-weigh bearing (LWB) zone of the femoral trocheal groove. Twenty-six rabbits were randomly allocated into either intermittent active motion (IAM) or CPM treatment groups with or without PLGA constructs, termed PLGA construct-implanted (PCI) and empty defect knee models, respectively. Gross observation, histology, inflammatory cells, which were identified using H&E staining, total collagen and alignment, studied qualitatively using Masson's trichrome staining, glycosaminoglycan (GAG), identified using Alcian blue staining, and newly formed bone, observed using micro-CT, were evaluated at 4 and 12 weeks after surgery. Repair of osteochondral defects in the PCI-CPM group was more promising than all other groups. The better osteochondral defect repair in the PCI-CPM group corresponded to smooth cartilage surfaces, no inflammatory reaction, hyaline cartilaginous tissues composition, sound collagen alignment with positive collagen type II expression, higher GAG content, mature bone regeneration with osteocyte, clear tidemark formation, and better degradation of PLGA. In summary, the use of a simple PLGA construct coupled with passive motion promotes positive healing and may be a promising clinical intervention for osteochondral regeneration in LWB defects.
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Affiliation(s)
- Nai-Jen Chang
- Institute of Biomedical Engineering, National Cheng Kung University, 1 University Rd, Tainan City 701, Taiwan
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21
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Beane OS, Darling EM. Isolation, characterization, and differentiation of stem cells for cartilage regeneration. Ann Biomed Eng 2012; 40:2079-97. [PMID: 22907257 DOI: 10.1007/s10439-012-0639-8] [Citation(s) in RCA: 52] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2012] [Accepted: 08/08/2012] [Indexed: 12/27/2022]
Abstract
The goal of tissue engineering is to create a functional replacement for tissues damaged by injury or disease. In many cases, impaired tissues cannot provide viable cells, leading to the investigation of stem cells as a possible alternative. Cartilage, in particular, may benefit from the use of stem cells since the tissue has low cellularity and cannot effectively repair itself. To address this need, researchers are investigating the chondrogenic capabilities of several multipotent stem cell sources, including adult and extra-embryonic mesenchymal stem cells (MSCs), embryonic stem cells (ESCs), and induced pluripotent stem cells (iPSCs). Comparative studies indicate that each cell type has advantages and disadvantages, and while direct comparisons are difficult to make, published data suggest some sources may be more promising for cartilage regeneration than others. In this review, we identify current approaches for isolating and chondrogenically differentiating MSCs from bone marrow, fat, synovium, muscle, and peripheral blood, as well as cells from extra-embryonic tissues, ESCs, and iPSCs. Additionally, we assess chondrogenic induction with growth factors, identifying standard cocktails used for each stem cell type. Cell-only (pellet) and scaffold-based studies are also included, as is a discussion of in vivo results.
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Affiliation(s)
- Olivia S Beane
- Center for Biomedical Engineering, Brown University, Providence, RI, USA
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22
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Igarashi T, Iwasaki N, Kawamura D, Tsukuda Y, Kasahara Y, Todoh M, Tadano S, Minami A. Therapeutic Effects of Intra-Articular Ultrapurified Low Endotoxin Alginate Administration on Experimental Osteoarthritis in Rabbits. Cartilage 2012; 3:70-8. [PMID: 26069620 PMCID: PMC4297190 DOI: 10.1177/1947603511418959] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
OBJECTIVE We have developed an ultrapurified low endotoxin alginate (UPLE alginate), which can drastically reduce endotoxin levels. Our purposes were to examine the effects of UPLE alginate administration on osteoarthritis (OA) progression and to determine the adequate molecular weight of the UPLE alginate for therapeutic effects. DESIGN To induce knee OA, 35 Japanese White rabbits underwent anterior cruciate ligament transection. Intra-articular injections of 0.3 mL solution of each material were started at 4 weeks postoperatively for a total of 5 weekly injections. Seventy knees were divided into the following groups: AL430 (430 kDa molecular weight UPLE alginate), AL1000 (1,000 kDa), AL1700 (1,700 kDa), HA (hyaluronan), and NS (normal saline). At 9 weeks postoperatively, all knees were assessed macroscopically, histologically, and mechanically. RESULTS Macroscopically, the UPLE alginate groups exhibited milder cartilage degradation compared to that of the NS and HA groups. Histological findings of the UPLE alginate groups showed an obvious reduction in the severity of OA. The histological scores of Kikuchi et al. were superior in the alginate treatment groups compared to the NS group. The friction coefficient of the AL1000 group was significantly lower than that of the NS and HA groups. CONCLUSION This study indicates that our UPLE alginates, especially AL1000, have promising potential as an effective agent in preventing OA progression.
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Affiliation(s)
- Tatsuya Igarashi
- Department of Orthopaedic Surgery, Hokkaido University School of Medicine, Sapporo, Japan
| | - Norimasa Iwasaki
- Department of Orthopaedic Surgery, Hokkaido University School of Medicine, Sapporo, Japan
| | - Daisuke Kawamura
- Department of Orthopaedic Surgery, Hokkaido University School of Medicine, Sapporo, Japan
| | - Yukinori Tsukuda
- Department of Orthopaedic Surgery, Hokkaido University School of Medicine, Sapporo, Japan
| | - Yasuhiko Kasahara
- Department of Orthopaedic Surgery, Hokkaido University School of Medicine, Sapporo, Japan
| | - Masahiro Todoh
- Division of Human Mechanical Systems and Design, Faculty of Engineering, Hokkaido University, Sapporo, Japan
| | - Shigeru Tadano
- Division of Human Mechanical Systems and Design, Faculty of Engineering, Hokkaido University, Sapporo, Japan
| | - Akio Minami
- Department of Orthopaedic Surgery, Hokkaido University School of Medicine, Sapporo, Japan
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