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Reyes Alcaraz V, Pattappa G, Miura S, Angele P, Blunk T, Rudert M, Hiraki Y, Shukunami C, Docheva D. A Narrative Review of the Roles of Chondromodulin-I (Cnmd) in Adult Cartilage Tissue. Int J Mol Sci 2024; 25:5839. [PMID: 38892027 PMCID: PMC11173128 DOI: 10.3390/ijms25115839] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2024] [Revised: 05/13/2024] [Accepted: 05/16/2024] [Indexed: 06/21/2024] Open
Abstract
Articular cartilage is crucial for joint function but its avascularity limits intrinsic repair, leading to conditions like osteoarthritis (OA). Chondromodulin-I (Cnmd) has emerged as a key molecule in cartilage biology, with potential implications for OA therapy. Cnmd is primarily expressed in cartilage and plays an important role in chondrocyte proliferation, cartilage homeostasis, and the blocking of angiogenesis. In vivo and in vitro studies on Cnmd, also suggest an involvement in bone repair and in delaying OA progression. Its downregulation correlates with OA severity, indicating its potential as a therapeutic target. Further research is needed to fully understand the mode of action of Cnmd and its beneficial implications for managing OA. This comprehensive review aims to elucidate the molecular characteristics of Cnmd, from its expression pattern, role in cartilage maintenance, callus formation during bone repair and association with OA.
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Affiliation(s)
- Viviana Reyes Alcaraz
- Department of Musculoskeletal Tissue Regeneration, Orthopaedic Hospital König-Ludwig-Haus, University of Würzburg, 97070 Würzburg, Germany; (V.R.A.); (G.P.)
| | - Girish Pattappa
- Department of Musculoskeletal Tissue Regeneration, Orthopaedic Hospital König-Ludwig-Haus, University of Würzburg, 97070 Würzburg, Germany; (V.R.A.); (G.P.)
| | - Shigenori Miura
- Department of Molecular Biology and Biochemistry, Division of Dental Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8553, Japan; (S.M.); (C.S.)
| | - Peter Angele
- Laboratory of Experimental Trauma Surgery, Department of Trauma Surgery, University Hospital Regensburg, 93053 Regensburg, Germany;
| | - Torsten Blunk
- Department of Trauma, Hand, Plastic and Reconstructive Surgery, University Hospital Würzburg, 97080 Würzburg, Germany;
| | - Maximilian Rudert
- Department of Orthopaedics, Orthopaedic Hospital König-Ludwig-Haus, University of Würzburg, 97070 Würzburg, Germany;
| | - Yuji Hiraki
- Department of Cellular Differentiation, Institute for Frontier Medical Sciences, Kyoto University, Kyoto 606-8501, Japan;
| | - Chisa Shukunami
- Department of Molecular Biology and Biochemistry, Division of Dental Sciences, Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima 734-8553, Japan; (S.M.); (C.S.)
| | - Denitsa Docheva
- Department of Musculoskeletal Tissue Regeneration, Orthopaedic Hospital König-Ludwig-Haus, University of Würzburg, 97070 Würzburg, Germany; (V.R.A.); (G.P.)
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Ignatyeva N, Gavrilov N, Timashev PS, Medvedeva EV. Prg4-Expressing Chondroprogenitor Cells in the Superficial Zone of Articular Cartilage. Int J Mol Sci 2024; 25:5605. [PMID: 38891793 PMCID: PMC11171992 DOI: 10.3390/ijms25115605] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2024] [Revised: 05/12/2024] [Accepted: 05/16/2024] [Indexed: 06/21/2024] Open
Abstract
Joint-resident chondrogenic precursor cells have become a significant therapeutic option due to the lack of regenerative capacity in articular cartilage. Progenitor cells are located in the superficial zone of the articular cartilage, producing lubricin/Prg4 to decrease friction of cartilage surfaces during joint movement. Prg4-positive progenitors are crucial in maintaining the joint's structure and functionality. The disappearance of progenitor cells leads to changes in articular hyaline cartilage over time, subchondral bone abnormalities, and the formation of ectopic ossification. Genetic labeling cell technology has been the main tool used to characterize Prg4-expressing progenitor cells of articular cartilage in vivo through drug injection at different time points. This technology allows for the determination of the origin of progenitor cells and the tracking of their progeny during joint development and cartilage damage. We endeavored to highlight the currently known information about the Prg4-producing cell population in the joint to underline the significance of the role of these cells in the development of articular cartilage and its homeostasis. This review focuses on superficial progenitors in the joint, how they contribute to postnatal articular cartilage formation, their capacity for regeneration, and the consequences of Prg4 deficiency in these cells. We have accumulated information about the Prg4+ cell population of articular cartilage obtained through various elegantly designed experiments using transgenic technologies to identify potential opportunities for further research.
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Affiliation(s)
- Nadezda Ignatyeva
- Institute for Regenerative Medicine, Sechenov First Moscow State Medical University (Sechenov University), 8-2 Trubetskaya St., Moscow 119048, Russia; (N.G.); (P.S.T.); (E.V.M.)
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Sulcanese L, Prencipe G, Canciello A, Cerveró-Varona A, Perugini M, Mauro A, Russo V, Barboni B. Stem-Cell-Driven Chondrogenesis: Perspectives on Amnion-Derived Cells. Cells 2024; 13:744. [PMID: 38727280 PMCID: PMC11083072 DOI: 10.3390/cells13090744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2024] [Revised: 04/17/2024] [Accepted: 04/23/2024] [Indexed: 05/13/2024] Open
Abstract
Regenerative medicine harnesses stem cells' capacity to restore damaged tissues and organs. In vitro methods employing specific bioactive molecules, such as growth factors, bio-inductive scaffolds, 3D cultures, co-cultures, and mechanical stimuli, steer stem cells toward the desired differentiation pathways, mimicking their natural development. Chondrogenesis presents a challenge for regenerative medicine. This intricate process involves precise modulation of chondro-related transcription factors and pathways, critical for generating cartilage. Cartilage damage disrupts this process, impeding proper tissue healing due to its unique mechanical and anatomical characteristics. Consequently, the resultant tissue often forms fibrocartilage, which lacks adequate mechanical properties, posing a significant hurdle for effective regeneration. This review comprehensively explores studies showcasing the potential of amniotic mesenchymal stem cells (AMSCs) and amniotic epithelial cells (AECs) in chondrogenic differentiation. These cells exhibit innate characteristics that position them as promising candidates for regenerative medicine. Their capacity to differentiate toward chondrocytes offers a pathway for developing effective regenerative protocols. Understanding and leveraging the innate properties of AMSCs and AECs hold promise in addressing the challenges associated with cartilage repair, potentially offering superior outcomes in tissue regeneration.
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Affiliation(s)
- Ludovica Sulcanese
- Unit of Basic and Applied Sciences, Department of Biosciences and Agri-Food and Environmental Technologies, University of Teramo, 64100 Teramo, Italy; (G.P.); (A.C.); (A.C.-V.); (A.M.); (V.R.); (B.B.)
| | - Giuseppe Prencipe
- Unit of Basic and Applied Sciences, Department of Biosciences and Agri-Food and Environmental Technologies, University of Teramo, 64100 Teramo, Italy; (G.P.); (A.C.); (A.C.-V.); (A.M.); (V.R.); (B.B.)
| | - Angelo Canciello
- Unit of Basic and Applied Sciences, Department of Biosciences and Agri-Food and Environmental Technologies, University of Teramo, 64100 Teramo, Italy; (G.P.); (A.C.); (A.C.-V.); (A.M.); (V.R.); (B.B.)
| | - Adrián Cerveró-Varona
- Unit of Basic and Applied Sciences, Department of Biosciences and Agri-Food and Environmental Technologies, University of Teramo, 64100 Teramo, Italy; (G.P.); (A.C.); (A.C.-V.); (A.M.); (V.R.); (B.B.)
| | - Monia Perugini
- Department of Bioscience and Technology for Food, Agriculture, and Environment, University of Teramo, 64100 Teramo, Italy;
| | - Annunziata Mauro
- Unit of Basic and Applied Sciences, Department of Biosciences and Agri-Food and Environmental Technologies, University of Teramo, 64100 Teramo, Italy; (G.P.); (A.C.); (A.C.-V.); (A.M.); (V.R.); (B.B.)
| | - Valentina Russo
- Unit of Basic and Applied Sciences, Department of Biosciences and Agri-Food and Environmental Technologies, University of Teramo, 64100 Teramo, Italy; (G.P.); (A.C.); (A.C.-V.); (A.M.); (V.R.); (B.B.)
| | - Barbara Barboni
- Unit of Basic and Applied Sciences, Department of Biosciences and Agri-Food and Environmental Technologies, University of Teramo, 64100 Teramo, Italy; (G.P.); (A.C.); (A.C.-V.); (A.M.); (V.R.); (B.B.)
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Kim H, Jung J, Lee M, Kim M, Kang N, Kim OK, Lee J. Curcuma longa L. extract exhibits anti-inflammatory and cytoprotective functions in the articular cartilage of monoiodoacetate-injected rats. Food Nutr Res 2024; 68:10402. [PMID: 38571919 PMCID: PMC10989232 DOI: 10.29219/fnr.v68.10402] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/23/2024] [Accepted: 02/01/2024] [Indexed: 04/05/2024] Open
Abstract
Background Osteoarthritis (OA), the most prevalent form of arthritis, is a degenerative joint disease marked by the progressive deterioration of articular cartilage, leading to clinical manifestations such as joint pain. Objective This study investigated the effects of Curcuma longa L. extract (CL) containing curcumin, demethoxycurcumin, and bisdemethoxycurcumin on monosodium iodoacetate (MIA)-induced OA rats. Design Sprague-Dawley rats with MIA-induced OA received CL supplementation at doses of 5, 25, and 40 mg/kg body weight. Results CL extract administration suppressed mineralisation parameters and morphological modifications and decreased arachidonate5-lipoxygenase and leukotriene B4 levels in articular cartilage. Additionally, it decreased serum prostaglandin E2, NO, and glycosaminoglycanlevels as well as the protein expression of phosphorylated inhibitor kappa B-alpha, phosphorylated p65, cyclooxygenase-2, and inducible nitric oxide synthase in the cartilage of MIA-injected rats. Furthermore, it also reduced matrix metalloproteinases and elevated SMAD family member 3 phosphorylation, tissue inhibitor of metalloproteinases, aggrecan, collagen type I, and collagen type II levels in the articular cartilage of MIA-induced OA rats. Conclusions This study's findings suggest that CL supplementation helps prevent OA development and is an effective therapy for OA.
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Affiliation(s)
- Hyelim Kim
- Department of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Jaeeun Jung
- Department of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Minhee Lee
- Department of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 17104, Republic of Korea
- Department of Food Innovation and Health, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 17104, Republic of Korea
| | - Minha Kim
- Nutrione Co., Ltd, Seoul 05510, Republic of Korea
| | - Namgil Kang
- Nutrione Co., Ltd, Seoul 05510, Republic of Korea
| | - Ok-Kyung Kim
- Division of Food and Nutrition and Human Ecology Research Institute, Chonnam National University, Gwangju, 61186, Republic of Korea
| | - Jeongmin Lee
- Department of Medical Nutrition, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 17104, Republic of Korea
- Department of Food Innovation and Health, Graduate School of East-West Medical Science, Kyung Hee University, Yongin 17104, Republic of Korea
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Blom RP, Rahim D, Paardekam E, Kerkhoffs GMMJ, Iannuzzi D, Smit TH. A Traumatic Impact Immediately Changes the Mechanical Properties of Articular Cartilage. Cartilage 2024:19476035241235633. [PMID: 38501455 DOI: 10.1177/19476035241235633] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 03/20/2024] Open
Abstract
OBJECTIVE To investigate whether and how a single traumatic impact changes the mechanical properties of talar articular cartilage. DESIGN A marble was placed on the joint surface and a weight was dropped on both medial and lateral caprine talus to create a well-defined single focal impact. The mechanical properties of intact and impacted talar cartilage were measured with a micro-indenter. Elastic (storage) and viscous (loss) moduli were determined by oscillatory ramp and dynamic mechanical analysis protocols. RESULTS We found significant differences between ankles and within the same ankle joint, with the medial talus having significantly higher storage- and loss moduli than the lateral talus. The storage- and loss moduli of intact articular cartilage increased with greater indentation depths. However, postimpact the storage- and loss moduli were significantly and consistently lower in all specimens indicating immediate posttraumatic damage. The deeper regions of talar cartilage were less affected by the impact than the more superficial regions. CONCLUSIONS A single traumatic impact results in an immediate and significant decrease of storage- and loss moduli. Further research must focus on the development of non- or minimally invasive diagnostic tools to address the exact microdamage caused by the impact. We speculate that the traumatic impact damaged the collagen fibers that confine the water-binding proteoglycans and thereby decreasing the hydrostatic pressure of cartilage. As part of the treatment directly after a trauma, one could imagine a reduction or restriction of peak loads to prevent the progression of the cascade towards PTOA of the ankle joint.
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Affiliation(s)
- Robin P Blom
- Department of Orthopedic Surgery and Sports Medicine, Amsterdam University Medical Centers, Amsterdam UMC location AMC, University of Amsterdam, Amsterdam, The Netherlands
- Amsterdam Movement Sciences, Sports, Amsterdam, The Netherlands
- Academic Center for Evidence-based Sports Medicine (ACES), Amsterdam, The Netherlands
- IOC Research Center, Amsterdam Collaboration on Health and Safety in Sports (ACHSS), Amsterdam, The Netherlands
| | - Danka Rahim
- Department of Orthopedic Surgery and Sports Medicine, Amsterdam University Medical Centers, Amsterdam UMC location AMC, University of Amsterdam, Amsterdam, The Netherlands
| | - Erik Paardekam
- Department of Physics and Astronomy and LaserLaB, VU, Amsterdam, The Netherlands
| | - Gino M M J Kerkhoffs
- Department of Orthopedic Surgery and Sports Medicine, Amsterdam University Medical Centers, Amsterdam UMC location AMC, University of Amsterdam, Amsterdam, The Netherlands
- Amsterdam Movement Sciences, Sports, Amsterdam, The Netherlands
- Academic Center for Evidence-based Sports Medicine (ACES), Amsterdam, The Netherlands
- IOC Research Center, Amsterdam Collaboration on Health and Safety in Sports (ACHSS), Amsterdam, The Netherlands
| | - Davide Iannuzzi
- Department of Physics and Astronomy and LaserLaB, VU, Amsterdam, The Netherlands
| | - Theodoor H Smit
- Department of Orthopedic Surgery and Sports Medicine, Amsterdam University Medical Centers, Amsterdam UMC location AMC, University of Amsterdam, Amsterdam, The Netherlands
- Amsterdam Movement Sciences, Sports, Amsterdam, The Netherlands
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Pamukoff DN, Holmes SC, Heredia CE, Shumski EJ, Garcia SA, Montgomery MM. Cartilage deformation following a walking bout in individuals with anterior cruciate ligament reconstruction. J Orthop Res 2024; 42:349-359. [PMID: 37772457 DOI: 10.1002/jor.25694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Revised: 08/16/2023] [Accepted: 09/20/2023] [Indexed: 09/30/2023]
Abstract
The purpose was to (1) compare the effect of a walking bout on femoral cartilage deformation between limbs with and without anterior cruciate ligament reconstruction (ACLR) and (2) examine the association between gait kinetics and the magnitude of cartilage deformation. A total of 30 individuals with primary unilateral ACLR completed this study [14 male, 16 female; age = 22.57 (3.78) years; body mass index (BMI) = 25.88 (5.68) kg/m2 ; time since ACLR = 61.00 (16.43) months]. Overground walking biomechanics were assessed on day 1, and a 30-min walking bout or 30-min resting bout (control) were completed on days 2 and 3 (counterbalanced order). Femoral cartilage thickness was measured using ultrasound before, immediately following, and 30-min following each intervention. Linear mixed effects models compared the effect of walking on cartilage thickness between the ACLR and contralateral limbs after adjusting for sex, BMI, speed, and the number of steps. Stepwise regression examined the association between the external knee flexion and adduction moments and cartilage deformation following walking. There was a significant limb × time interaction for medial cartilage thickness. Post hoc analyses indicated that cartilage thickness decreased immediately following walking in the contralateral but not ACLR limb. Main effects of limb were observed for medial, central, and lateral cartilage thickness indicating thicker cartilage in the ACLR compared with contralateral limb. A higher knee adduction moment was associated with greater cartilage deformation in the ACLR limb. Femoral cartilage in the ACLR limb exhibited a less dynamic response to walking than the uninvolved limb, which may be due to habitual underloading during gait.
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Affiliation(s)
- Derek N Pamukoff
- School of Kinesiology, Western University, London, Ontario, Canada
| | - Skylar C Holmes
- Department of Kinesiology, University of Massachusetts Amherst, Amherst, Massachusetts, USA
| | | | - Eric J Shumski
- Department of Kinesiology, University of Georgia, Athens, Georgia, USA
| | - Steven A Garcia
- School of Kinesiology, University of Michigan, Ann Arbor, Michigan, USA
| | - Melissa M Montgomery
- Department of Kinesiology, California State University, Fullerton, Fullerton, California, USA
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Fani N, Peshkova M, Bikmulina P, Golroo R, Timashev P, Vosough M. Fabricating the cartilage: recent achievements. Cytotechnology 2023; 75:269-292. [PMID: 37389132 PMCID: PMC10299965 DOI: 10.1007/s10616-023-00582-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 05/09/2023] [Indexed: 07/01/2023] Open
Abstract
This review aims to describe the most recent achievements and provide an insight into cartilage engineering and strategies to restore the cartilage defects. Here, we discuss cell types, biomaterials, and biochemical factors applied to form cartilage tissue equivalents and update the status of fabrication techniques, which are used at all stages of engineering the cartilage. The actualized concept to improve the cartilage tissue restoration is based on applying personalized products fabricated using a full cycle platform: a bioprinter, a bioink consisted of ECM-embedded autologous cell aggregates, and a bioreactor. Moreover, in situ platforms can help to skip some steps and enable adjusting the newly formed tissue in the place during the operation. Only some achievements described have passed first stages of clinical translation; nevertheless, the number of their preclinical and clinical trials is expected to grow in the nearest future.
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Affiliation(s)
- Nesa Fani
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Maria Peshkova
- Institute for Regenerative Medicine, Sechenov University, Moscow, Russia
| | - Polina Bikmulina
- Institute for Regenerative Medicine, Sechenov University, Moscow, Russia
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov University, Moscow, Russia
| | - Reihaneh Golroo
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Peter Timashev
- Institute for Regenerative Medicine, Sechenov University, Moscow, Russia
- World-Class Research Center “Digital Biodesign and Personalized Healthcare”, Sechenov University, Moscow, Russia
| | - Massoud Vosough
- Department of Regenerative Medicine, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
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Yu L, Cavelier S, Hannon B, Wei M. Recent development in multizonal scaffolds for osteochondral regeneration. Bioact Mater 2023; 25:122-159. [PMID: 36817819 PMCID: PMC9931622 DOI: 10.1016/j.bioactmat.2023.01.012] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 12/30/2022] [Accepted: 01/14/2023] [Indexed: 02/05/2023] Open
Abstract
Osteochondral (OC) repair is an extremely challenging topic due to the complex biphasic structure and poor intrinsic regenerative capability of natural osteochondral tissue. In contrast to the current surgical approaches which yield only short-term relief of symptoms, tissue engineering strategy has been shown more promising outcomes in treating OC defects since its emergence in the 1990s. In particular, the use of multizonal scaffolds (MZSs) that mimic the gradient transitions, from cartilage surface to the subchondral bone with either continuous or discontinuous compositions, structures, and properties of natural OC tissue, has been gaining momentum in recent years. Scrutinizing the latest developments in the field, this review offers a comprehensive summary of recent advances, current hurdles, and future perspectives of OC repair, particularly the use of MZSs including bilayered, trilayered, multilayered, and gradient scaffolds, by bringing together onerous demands of architecture designs, material selections, manufacturing techniques as well as the choices of growth factors and cells, each of which possesses its unique challenges and opportunities.
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Affiliation(s)
- Le Yu
- Department of Chemical and Biomolecular Engineering, Ohio University, Athens, OH, 45701, USA
| | - Sacha Cavelier
- Department of Chemical and Biomolecular Engineering, Ohio University, Athens, OH, 45701, USA
| | - Brett Hannon
- Biomedical Engineering Program, Ohio University, Athens, OH, 45701, USA
| | - Mei Wei
- Biomedical Engineering Program, Ohio University, Athens, OH, 45701, USA
- Department of Mechanical Engineering, Ohio University, Athens, OH, 45701, USA
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Yang Z, Li J, Deng H, Li H, Zhao T, Gao T, Xing D, Lin J. Visualization and bibliometric analysis of 3D printing in cartilage regeneration. Front Bioeng Biotechnol 2023; 11:1214715. [PMID: 37456724 PMCID: PMC10349649 DOI: 10.3389/fbioe.2023.1214715] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Accepted: 06/22/2023] [Indexed: 07/18/2023] Open
Abstract
The self-repair ability of cartilage defects is limited, and 3D printing technology provides hope for the repair and regeneration of cartilage defects. Although 3D printing technology and cartilage repair and regeneration have been studied for decades, there are still few articles specifically describing the relationship between 3D printing and cartilage defect repair and regeneration, and a bibliometric analysis has not been completed. To supplement, sort out and summarize the content in related fields, we analyzed the research status of 3D printing technology and cartilage repair and regeneration from 2002 to 2022. According to the set search strategy, the Web of Science Core Collection was used as the data source, and the literature search was completed on December 6, 2022. CiteSpace V and VOSviewer were used as bibliometric tools to complete the analysis of the research focus and direction of the published literature. Based on the analysis results, we focus on the occurrence and development of this field of combined medical and engineering research. Moreover, the current advantages and limitations of this field as well as future development prospects are discussed in depth. It will help to shape researchers' understanding of 3D printing and cartilage repair and regeneration, inspire researchers' research ideas, guide research directions, and promote related research results to clinical application.
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Affiliation(s)
- Zhen Yang
- Arthritis Clinical and Research Center, Peking University People’s Hospital, Beijing, China
- Arthritis Institute, Peking University, Beijing, China
| | - Jianwei Li
- School of Medicine, Nankai University, Tianjin, China
- Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, The First Medical Center, Institute of Orthopedics, Beijing, China
| | - Haoyuan Deng
- School of Medicine, Nankai University, Tianjin, China
- Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, The First Medical Center, Institute of Orthopedics, Beijing, China
| | - Hao Li
- School of Medicine, Nankai University, Tianjin, China
- Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, The First Medical Center, Institute of Orthopedics, Beijing, China
| | - Tianyuan Zhao
- School of Medicine, Nankai University, Tianjin, China
- Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, The First Medical Center, Institute of Orthopedics, Beijing, China
| | - Tianze Gao
- School of Medicine, Nankai University, Tianjin, China
- Key Laboratory of Musculoskeletal Trauma and War Injuries PLA, Beijing Key Lab of Regenerative Medicine in Orthopedics, Chinese PLA General Hospital, The First Medical Center, Institute of Orthopedics, Beijing, China
| | - Dan Xing
- Arthritis Clinical and Research Center, Peking University People’s Hospital, Beijing, China
- Arthritis Institute, Peking University, Beijing, China
| | - Jianhao Lin
- Arthritis Clinical and Research Center, Peking University People’s Hospital, Beijing, China
- Arthritis Institute, Peking University, Beijing, China
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Elsayed H, Karjalainen J, Nissi MJ, Ketola J, Kajabi AW, Casula V, Zbýň Š, Nieminen MT, Hanni M. Assessing post-traumatic changes in cartilage using T 1ρ dispersion parameters. Magn Reson Imaging 2023; 97:91-101. [PMID: 36610648 DOI: 10.1016/j.mri.2022.12.012] [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: 09/22/2022] [Revised: 11/10/2022] [Accepted: 12/17/2022] [Indexed: 01/06/2023]
Abstract
Degeneration of cartilage can be studied non-invasively with quantitative MRI. A promising parameter for detecting early osteoarthritis in articular cartilage is T1ρ, which can be tuned via the amplitude of the spin-lock pulse. By measuring T1ρ at several spin-lock amplitudes, the dispersion of T1ρ is obtained. The aim of this study is to find out if the dispersion contains diagnostically relevant information complementary to a T1ρ measurement at a single spin-lock amplitude. To this end, five differently acquired dispersion parameters are utilized; A, B, τc, T1ρ/T2, and R2 - R1ρ. An open dataset of an equine model of post-traumatic cartilage was utilized to assess the T1ρ dispersion parameters for the evaluation of cartilage degeneration. Firstly, the parameters were compared for their sensitivity in detecting degenerative changes. Secondly, the relationship of the dispersion parameters to histological and biomechanical reference parameters was studied. Parameters A, T1ρ/T2, and R2 - R1ρ were found to be sensitive to lesion-induced changes in the cartilage within sample. Strong correlations of several dispersion parameters with optical density, as well as with collagen fibril angle were found. Most of the dispersion parameters correlated strongly with individual T1ρ values. The results suggest that dispersion parameters can in some cases provide a more accurate description of the biochemical composition of cartilage as compared to conventional MRI parameters. However, in most cases the information given by the dispersion parameters is more of a refinement than complementary to conventional quantitative MRI.
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Affiliation(s)
- Hassaan Elsayed
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, P.O.Box 5000, 90014 Oulu, Finland; Medical Research Center Oulu, University of Oulu and Oulu University Hospital, Oulu, Finland
| | - Jouni Karjalainen
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, P.O.Box 5000, 90014 Oulu, Finland; Medical Research Center Oulu, University of Oulu and Oulu University Hospital, Oulu, Finland
| | - Mikko J Nissi
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, P.O.Box 5000, 90014 Oulu, Finland; Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Juuso Ketola
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, P.O.Box 5000, 90014 Oulu, Finland; Medical Research Center Oulu, University of Oulu and Oulu University Hospital, Oulu, Finland
| | - Abdul Wahed Kajabi
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, P.O.Box 5000, 90014 Oulu, Finland; Medical Research Center Oulu, University of Oulu and Oulu University Hospital, Oulu, Finland; Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, USA
| | - Victor Casula
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, P.O.Box 5000, 90014 Oulu, Finland; Medical Research Center Oulu, University of Oulu and Oulu University Hospital, Oulu, Finland
| | - Štefan Zbýň
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, P.O.Box 5000, 90014 Oulu, Finland; Medical Research Center Oulu, University of Oulu and Oulu University Hospital, Oulu, Finland; Center for Magnetic Resonance Research, University of Minnesota, Minneapolis, MN, USA
| | - Miika T Nieminen
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, P.O.Box 5000, 90014 Oulu, Finland; Medical Research Center Oulu, University of Oulu and Oulu University Hospital, Oulu, Finland; Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland
| | - Matti Hanni
- Research Unit of Health Sciences and Technology, Faculty of Medicine, University of Oulu, P.O.Box 5000, 90014 Oulu, Finland; Medical Research Center Oulu, University of Oulu and Oulu University Hospital, Oulu, Finland; Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland.
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11
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Yildirim N, Amanzhanova A, Kulzhanova G, Mukasheva F, Erisken C. Osteochondral Interface: Regenerative Engineering and Challenges. ACS Biomater Sci Eng 2023; 9:1205-1223. [PMID: 36752057 DOI: 10.1021/acsbiomaterials.2c01321] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/09/2023]
Abstract
Osteochondral (OC) defects are debilitating for patients and represent a significant clinical problem for orthopedic surgeons as well as regenerative engineers due to their potential complications, which are likely to lead to osteoarthritis and related diseases. If they remain untreated or are treated suboptimally, OC lesions are known to impact the articular cartilage and the transition from cartilage to bone, that is, the cartilage-bone interface. An important component of the OC interface, that is, a selectively permeable membrane, the tidemark, still remains unaddressed in more than 90% of the published research in the past decade. This review focuses on the structure, composition, and function of the OC interface, regenerative engineering attempts with different scaffolding strategies and challenges ahead of us in recapitulating the native OC interface. There are different schools of thought regarding the structure of the native OC interface: stratified and graded. The former assumes the cartilage-to-bone interface to be hierarchically divided into distinct yet continuous zones of uncalcified cartilage-calcified cartilage-subchondral bone. The latter assumes the interface is continuously graded, that is, formed by an infinite number of layers. The cellular composition of the interface, either in respective layers or continuously changing in a graded manner, is chondrocytes, hypertrophic chondrocytes, and osteoblasts as moved from cartilage to bone. Functionally, the interface is assumed to play a role in enabling a smooth transition of loads exerted on the cartilage surface to the bone underneath. Regenerative engineering involves, first, a characterization of the native OC interface in terms of the composition, structure, and function, and, then, proposes the appropriate biomaterials, cells, and biomolecules either alone or in combination to eventually form a structure that mimics and functionally behaves similar to the native interface. The major challenge regarding regeneration of the OC interface appears to lie, in addition to others, in the formation of tidemark, which is a thin membrane separating the OC interface into two distinct zones: the avascular OC interface and the vascular OC interface. There is a significant amount of literature on regenerative approaches to the OC interface; however, only a small portion of them consider the importance of tidemark. Therefore, this review aims at highlighting the significance of the structural organization of the components of the OC interface and increasing the awareness of the orthopedics community regarding the importance of tidemark formation after clinical interventions or regenerative engineering attempts.
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Affiliation(s)
- Nuh Yildirim
- Nazarbayev University, School of Engineering and Digital Sciences, Department of Chemical and Materials Engineering, 53 Kabanbay Batyr, Block 3, Astana 010000, Kazakhstan
| | - Amina Amanzhanova
- Nazarbayev University, School of Engineering and Digital Sciences, Department of Chemical and Materials Engineering, 53 Kabanbay Batyr, Block 3, Astana 010000, Kazakhstan
| | - Gulzada Kulzhanova
- Nazarbayev University, School of Sciences and Humanities, Department of Biological Sciences, 53 Kabanbay Batyr, Block 3, Astana 010000, Kazakhstan
| | - Fariza Mukasheva
- Nazarbayev University, School of Engineering and Digital Sciences, Department of Chemical and Materials Engineering, 53 Kabanbay Batyr, Block 3, Astana 010000, Kazakhstan
| | - Cevat Erisken
- Nazarbayev University, School of Engineering and Digital Sciences, Department of Chemical and Materials Engineering, 53 Kabanbay Batyr, Block 3, Astana 010000, Kazakhstan
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12
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Zhu D, Trinh P, Liu E, Yang F. Cell-Cell Interactions Enhance Cartilage Zonal Development in 3D Gradient Hydrogels. ACS Biomater Sci Eng 2023; 9:831-843. [PMID: 36629329 DOI: 10.1021/acsbiomaterials.2c00469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Cartilage tissue is characterized by zonal organization with gradual transitions of biochemical and mechanical cues from superficial to deep zones. We previously reported that 3D gradient hydrogels made of polyethylene glycol and chondroitin sulfate can induce zonal-specific responses of chondrocytes, resulting in zonal cartilage formation that mimics native tissues. While the role of cell-matrix interactions has been studied extensively, how cell-cell interactions across different zones influence cartilage zonal development remains unknown. The goal of this study is to harness gradient hydrogels as a tool to elucidate the role of cell-cell interactions in driving cartilage zonal development. When encapsulated in intact gradient hydrogels, chondrocytes exhibited strong zonal-specific responses that mimic native cartilage zonal organization. However, the separate culture of each zone of gradient hydrogels resulted in a significant decrease in cell proliferation and cartilage matrix deposition across all zones, while the trend of zonal dependence remains. Unexpectedly, mixing the coculture of all five zones of hydrogels in the same culture well largely abolished the zonal differences, with all zones behaving similarly to the softest zone. These results suggest that paracrine signal exchange among cells in different zones is essential in driving cartilage zonal development, and a spatial organization of zones is required for proper tissue zonal development. Intact, separate, or coculture groups resulted in distinct gene expression patterns in mechanosensing and cartilage-specific markers, suggesting that cell-cell interactions can also modulate mechanosensing. We further showed that 7 days of priming in intact gradient culture was sufficient to instruct the cells to complete the zonal development, and the separate or mixed coculture after 7 days of intact culture had minimal effects on cartilage formation. This study highlights the important role of cell-cell interactions in driving cartilage zonal development and validates gradient hydrogels as a useful tool to elucidate the role of cell-matrix and cell-cell interactions in driving zonal development during tissue morphogenesis and regeneration.
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Affiliation(s)
- Danqing Zhu
- Department of Bioengineering, Stanford University, Palo Alto, California 94305, United States
| | - Pavin Trinh
- Department of Bioengineering, Stanford University, Palo Alto, California 94305, United States
| | - Elisa Liu
- Department of Bioengineering, Stanford University, Palo Alto, California 94305, United States
| | - Fan Yang
- Department of Bioengineering, Stanford University, Palo Alto, California 94305, United States.,Department of Orthopaedic Surgery, Stanford University, Palo Alto, California 94305, United States
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13
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Hao Y, Wu C, Su Y, Curran J, Henstock JR, Tseng F. A 4D printed self-assembling PEGDA microscaffold fabricated by digital light processing for arthroscopic articular cartilage tissue engineering. PROGRESS IN ADDITIVE MANUFACTURING 2022; 9:3-14. [PMID: 38333227 PMCID: PMC10851926 DOI: 10.1007/s40964-022-00360-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/18/2022] [Accepted: 10/26/2022] [Indexed: 02/10/2024]
Abstract
Articular cartilage in synovial joints such as the knee has limited capability to regenerate independently, and most clinical options for focal cartilage repair merely delay total joint replacement. Tissue engineering presents a repair strategy in which an injectable cell-laden scaffold material is used to reconstruct the joint in situ through mechanical stabilisation and cell-mediated regeneration. In this study, we designed and 3D-printed millimetre-scale micro-patterned PEGDA biomaterial microscaffolds which self-assemble through tessellation at a scale relevant for applications in osteochondral cartilage reconstruction. Using simulated chondral lesions in an in vitro model, a series of scaffold designs and viscous delivery solutions were assessed. Hexagonal microscaffolds (750 μm x 300 μm) demonstrated the best coverage of a model cartilage lesion (at 73.3%) when injected with a 1% methyl cellulose solution. When chondrocytes were introduced to the biomaterial via a collagen hydrogel, they successfully engrafted with the printed microscaffolds and survived for at least 14 days in vitro, showing the feasibility of reconstructing stratified cartilaginous tissue using this strategy. Our study demonstrates a promising application of this 4D-printed injectable technique for future clinical applications in osteochondral tissue engineering. Supplementary Information The online version contains supplementary material available at 10.1007/s40964-022-00360-0.
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Affiliation(s)
- Yunjie Hao
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu, 30013 Taiwan
- Department of Mechanical, Materials and Aerospace, School of Engineering, Harrison Hughes Building, University of Liverpool, Liverpool, L69 3GH U.K
| | - Chuanyung Wu
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu, 30013 Taiwan
| | - Yuchuan Su
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu, 30013 Taiwan
| | - Jude Curran
- Department of Mechanical, Materials and Aerospace, School of Engineering, Harrison Hughes Building, University of Liverpool, Liverpool, L69 3GH U.K
| | - James R. Henstock
- Institute of Life Course & Medical Sciences, William Henry Duncan Building, University of Liverpool, Liverpool, L7 8TX U.K
| | - Fangang Tseng
- Department of Engineering and System Science, National Tsing Hua University, Hsinchu, 30013 Taiwan
- Department of Engineering and System Science, Frontier Research Centre On Fundamental and Applied Sciences of Matters, National Tsing Hua University, Hsinchu, 30013 Taiwan
- Research Centre for Applied Sciences, Academia Sinica, No. 128, Sec. 2, Academia Rd., Nankang, 11529 Taipei Taiwan
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14
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Lin W, Kampf N, Klein J. Neutral polyphosphocholine-modified liposomes as boundary superlubricants. Colloids Surf A Physicochem Eng Asp 2022. [DOI: 10.1016/j.colsurfa.2022.129218] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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15
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Wang W, Ye R, Xie W, Zhang Y, An S, Li Y, Zhou Y. Roles of the calcified cartilage layer and its tissue engineering reconstruction in osteoarthritis treatment. Front Bioeng Biotechnol 2022; 10:911281. [PMID: 36131726 PMCID: PMC9483725 DOI: 10.3389/fbioe.2022.911281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2022] [Accepted: 07/28/2022] [Indexed: 11/16/2022] Open
Abstract
Sandwiched between articular cartilage and subchondral bone, the calcified cartilage layer (CCL) takes on both biomechanical and biochemical functions in joint development and ordinary activities. The formation of CCL is not only unique in articular cartilage but can also be found in the chondro-osseous junction adjacent to the growth plate during adolescence. The formation of CCL is an active process under both cellular regulation and intercellular communication. Abnormal alterations of CCL can be indications of degenerative diseases including osteoarthritis. Owing to the limited self-repair capability of articular cartilage and core status of CCL in microenvironment maintenance, tissue engineering reconstruction of CCL in damaged cartilage can be of great significance. This review focuses on possible tissue engineering reconstruction methods targeting CCL for further OA treatment.
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Affiliation(s)
- Weiyang Wang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Ruixi Ye
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Wenqing Xie
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
| | - Yueyao Zhang
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- Xiangya School of Medicine, Central South University, Changsha, China
| | - Senbo An
- Department of Orthopedics, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- *Correspondence: Senbo An, ; Yusheng Li, ; Yang Zhou,
| | - Yusheng Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Senbo An, ; Yusheng Li, ; Yang Zhou,
| | - Yang Zhou
- Department of Clinical Nursing, Xiangya Hospital, Central South University, Changsha, China
- *Correspondence: Senbo An, ; Yusheng Li, ; Yang Zhou,
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16
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Emanuel KS, Kellner LJ, Peters MJM, Haartmans MJJ, Hooijmans MT, Emans PJ. The relation between the biochemical composition of knee articular cartilage and quantitative MRI: a systematic review and meta-analysis. Osteoarthritis Cartilage 2022; 30:650-662. [PMID: 34826570 DOI: 10.1016/j.joca.2021.10.016] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 10/20/2021] [Accepted: 10/21/2021] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Early and non-invasive detection of osteoarthritis (OA) is required to enable early treatment and monitoring of interventions. Some of the earliest signs of OA are the change in proteoglycan and collagen composition. The aim of this study is to establish the relations between quantitative magnetic resonance imaging (MRI) and biochemical concentration and organization in knee articular cartilage. METHODS A preregistered systematic literature review was performed using the databases PubMed and Embase. Papers were included if quantitative MRI and a biochemical assay or polarized light microscopy (PLM) was performed on knee articular cartilage, and a quantified correlation was described. The extracted correlations were pooled using a random effects model. RESULTS 21 papers were identified. The strongest pooled correlation was found for delayed gadolinium-enhanced MRI of cartilage (dGEMRIC) vs proteoglycan concentration (r = 0.59). T1ρ relaxation times are inversely correlated to proteoglycan concentration (r = -0.54). A weak correlation between T2 relaxation times and proteoglycans was found (r = -0.38). No correlation between T2 relaxation time and collagen concentration was found (r = -0.02). A heterogeneous set of correlations between T2 relaxation times and PLM were identified, including strong correlations to anisotropy. CONCLUSION DGEMRIC measures are significantly correlated to proteoglycan concentration. The needed contrast agent is however a disadvantage; the T1ρ sequence was found as a non-invasive alternative. Remarkably, no correlation was found between T2 relaxation times and collagen concentration. T2 relaxation times is related to organization, rather than concentration of collagen fibers. PROSPERO ID CRD42020168337.
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Affiliation(s)
- K S Emanuel
- Department of Orthopedic Surgery, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Center+, Maastricht, the Netherlands; Amsterdam UMC, University of Amsterdam, Department of Orthopaedic Surgery, Amsterdam Movement Sciences, Amsterdam, the Netherlands.
| | - L J Kellner
- Department of Orthopedic Surgery, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Center+, Maastricht, the Netherlands.
| | - M J M Peters
- Department of Orthopedic Surgery, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Center+, Maastricht, the Netherlands.
| | - M J J Haartmans
- Department of Orthopedic Surgery, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Center+, Maastricht, the Netherlands.
| | - M T Hooijmans
- Amsterdam UMC, University of Amsterdam, Department of Biomedical Engineering and Physics, Amsterdam Movement Sciences, Amsterdam, the Netherlands.
| | - P J Emans
- Department of Orthopedic Surgery, CAPHRI Care and Public Health Research Institute, Maastricht University Medical Center+, Maastricht, the Netherlands.
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17
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Strickland CD, Ho CK, Merkle AN, Vidal AF. MR Imaging of Knee Cartilage Injury and Repair Surgeries. Magn Reson Imaging Clin N Am 2022; 30:227-239. [DOI: 10.1016/j.mric.2021.11.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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18
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Knoth JC, Long JR, Stensby JD. Dark Cartilage Lesions in the Knee: MRI Appearance and Clinical Significance. J Knee Surg 2022; 35:470-474. [PMID: 34781397 DOI: 10.1055/s-0041-1739259] [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: 02/07/2023]
Abstract
Early investigations into the magnetic resonance imaging (MRI) appearance of articular cartilage imaging relied on assessment of the morphology, with subsequent investigators reporting identifying increased T2 signal intensity, bright signal, in degenerated cartilage. The cartilage "black line sign" is a finding that has recently been described in the radiology literature to characterize cartilage pathology. This sign refers to a focal linear hypointense signal within articular cartilage that is oriented perpendicular to the subchondral bone on T2-weighted MRI. The diagnostic significance and clinical relevance of this sign is debated. Since its first description, several papers have further delineated the etiology, prevalence, and clinical relevance of these and other dark cartilage abnormalities. The intent of this article is to summarize these findings, with hopes of bringing to light the importance of dark cartilage lesions and their clinical implication in the world of knee surgery. We will briefly discuss the most probable etiologies of dark cartilage abnormalities and the major factors determining the unique signal intensity. The described anatomical patterns of this finding, the clinical importance, potential mimics, and current treatment recommendations will be reviewed.
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Affiliation(s)
| | - Jeremiah R Long
- Department of Radiology, Mayo Clinic Arizona, Scottsdale, Arizona
| | - James Derek Stensby
- Department of Radiology, 1 Hospital Dr, University of Missouri, Columbia, Missouri
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19
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ABSTRACTS (BY NUMBER). Tissue Eng Part A 2022. [DOI: 10.1089/ten.tea.2022.29025.abstracts] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
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20
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From Chondrocytes to Chondrons, Maintenance of Phenotype and Matrices Production in a Composite 3D Hydrogel Scaffold. Gels 2022; 8:gels8020090. [PMID: 35200471 PMCID: PMC8871571 DOI: 10.3390/gels8020090] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2021] [Revised: 01/19/2022] [Accepted: 01/29/2022] [Indexed: 11/16/2022] Open
Abstract
Osteoarthritis (OA) is a degenerative disease characterized by articular cartilage (AC) degradation that affects more than 30 million people in the USA OA is managed with symptom-alleviating medications. Matrix-assisted autologous chondrocyte transplantation (MACT) is a tissue-engineered option, but current products are expensive and lack mechanical tunability or processability to match defects’ mechanical properties and anatomical shapes. Here, we explore the efficacy of a biocompatible hydrogel-based scaffold composed of sodium alginate, gelatin, and gum Arabic—referred to by SA–GEL–GA—to support bovine articular chondrocytes’ (bAChs) proliferation, pericellular matrix (PCM), and extracellular matrix (ECM) production. bAChs were grown for 45 days in SA–GEL–GA. Their viability; their live/dead status; histological staining; biochemical assays for glycosaminoglycans (GAGs) and collagen; atomic force microscopy (AFM) imaging; and immunofluorescence staining of collagen I, collagen II, aggrecan, and CD44 were tested. We found that SA–GEL–GA was not cytotoxic, induced cellular proliferation by 6.1-fold while maintaining a round morphology, and supported ECM deposition by producing 3.9-fold more GAG compared to day 0. bAChs transformed into chondrons and produced a PCM enriched with collagen II (3.4-fold), aggrecan (1.7-fold), and CD44 (1.3-fold) compared to day 0. In summary, SA–GEL–GA supported the proliferation, ECM production, and PCM production of bAChs in vitro.
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21
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Li M, Sun D, Zhang J, Wang Y, Wei Q, Wang Y. Application and development of 3D bioprinting in cartilage tissue engineering. Biomater Sci 2022; 10:5430-5458. [DOI: 10.1039/d2bm00709f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bioprinting technology can build complex tissue structures and has the potential to fabricate engineered cartilage with bionic structures for achieving cartilage defect repair/regeneration.
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Affiliation(s)
- Mingyang Li
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, P.R. China
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an 710072, China
| | - Daocen Sun
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, P.R. China
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an 710072, China
| | - Juan Zhang
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, P.R. China
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an 710072, China
| | - Yanmei Wang
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, P.R. China
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an 710072, China
| | - Qinghua Wei
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, P.R. China
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an 710072, China
| | - Yanen Wang
- Industry Engineering Department, School of Mechanical Engineering, Northwestern Polytechnical University, Xi'an 710072, P.R. China
- Institute of Medical Research, Northwestern Polytechnical University, Xi'an 710072, China
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22
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Nava VE, Khosla R, Shin S, Mordini FE, Bandyopadhyay BC. Enhanced carbonic anhydrase expression with calcification and fibrosis in bronchial cartilage during COPD. Acta Histochem 2022; 124:151834. [PMID: 34954529 DOI: 10.1016/j.acthis.2021.151834] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2021] [Revised: 12/16/2021] [Accepted: 12/17/2021] [Indexed: 01/07/2023]
Abstract
Pulmonary cartilage plays a crucial structural role determining the physiologic airway compressibility and distensibility, necessary for proper mechanical function. This functionality deteriorates with aging due to increased stiffness of both airway muscle and cartilage, as well as, decreased renewal capacity. Altered airway remodeling has been suggested as a pathogenic driver of chronic obstructive pulmonary disease (COPD) through mechanisms still incompletely understood. Using paraffin-embedded lung tissue sections from archived autopsy material from COPD with non-COPD age matched controls a histopathologic analysis focused on inflammation, fibrosis and calcification was performed with special stains (Masson's trichrome and Von Kossa) and immunohistochemistry for carbonic anhydrase IV (CA IV) and Ki-67. COPD lung tissues showed increased peribronchial inflammation compared to the non-COPD. Coarse amphophilic crystalline deposits in bronchial cartilage were more frequently observed in COPD sections, which were compatible with early dystrophic calcification of the extracellular matrix and chondrocytes. Moreover, Von Kossa staining revealed a significant calcium deposition in the cartilages from COPD in comparison to the controls. Interestingly, Ki-67 immunostains demonstrated a higher overall proliferative rate, including epithelial cells, in COPD. Furthermore, Masson's trichrome staining revealed relatively increased peribronchial collagen deposition associated with a fibrotic stromal response, which may be secondary to the inflammatory milieu in COPD. To further characterize the tissue microenvironment associated with dystrophic calcification, immunohistochemistry for CA IV was used, revealing significantly increased expression in chondrocytes and peribronchial tissue in COPD. Our findings demonstrate that dystrophic calcification of the extracellular matrix and chondrocytes can be linked to CA IV expression in COPD and suggest that pH changes in pulmonary tissue associated with inflammation and calcification may play an active role in COPD.
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Affiliation(s)
- Victor E Nava
- Pathology and Laboratory Medicine Service, Veterans Affairs Medical Center, 50 Irving Street, NW, Washington, DC 20422, USA
| | - Rahul Khosla
- Pulmonary Section, Medical Service, Veterans Affairs Medical Center, 50 Irving Street, NW, Washington, DC 20422, USA
| | - Samuel Shin
- Calcium Signaling Laboratory, Research Service, Veterans Affairs Medical Center, 50 Irving Street, NW, Washington, DC 20422, USA
| | - Federico E Mordini
- Cardiology Section, Medical Service, Veterans Affairs Medical Center, 50 Irving Street, NW, Washington, DC 20422, USA
| | - Bidhan C Bandyopadhyay
- Calcium Signaling Laboratory, Research Service, Veterans Affairs Medical Center, 50 Irving Street, NW, Washington, DC 20422, USA.
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Lawson T, Joenathan A, Patwa A, Snyder BD, Grinstaff MW. Tantalum Oxide Nanoparticles for the Quantitative Contrast-Enhanced Computed Tomography of Ex Vivo Human Cartilage: Assessment of Biochemical Composition and Biomechanics. ACS NANO 2021; 15:19175-19184. [PMID: 34882411 DOI: 10.1021/acsnano.1c03375] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Nanoparticle-based contrast agents, when used in concert with imaging modalities such as computed tomography (CT), enhance the visualization of tissues and boundary interfaces. However, the ability to determine the physiological state of the tissue via the quantitative assessment of biochemical or biomechanical properties remains elusive. We report the synthesis and characterization of tantalum oxide (Ta2O5) nanoparticle (NP) contrast agents for rapid, nondestructive, and quantitative contrast-enhanced computed tomography (CECT) to assess both the glycosaminoglycan (GAG) content and the biomechanical integrity of human metacarpal phalangeal joint (MCPJ) articular cartilage. Ta2O5 NPs 3-6 nm in diameter and coated with either nonionic poly(ethylene) glycol (PEG) or cationic trimethylammonium ligands readily diffuse into both healthy and osteoarthritic MCPJ cartilage. The CECT attenuation for the cationic and neutral NPs correlates with the glycosaminoglycan (GAG) content (R2 = 0.8975, p < 0.05 and 0.7054, respectively) and the equilibrium modulus (R2 = 0.8285, p < 0.05 and 0.9312, p < 0.05, respectively). The results highlight the importance of the surface charge and size in the design of NP agents for targeting and imaging articular cartilage. Further, nanoparticle CECT offers the visualization of both soft tissue and underlying bone unlike plain radiography, which is the standard for imaging bone in musculoskeletal diseases, and the ability to provide a real-time quantitative assessment of both hard and soft tissues to provide a comprehensive image of the disease stage, as demonstrated herein.
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Affiliation(s)
- Taylor Lawson
- Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States
- Department of Mechanical Engineering, Boston University, Boston, Massachusetts 02215, United States
| | - Anisha Joenathan
- Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States
- Division of Material Science, Boston University, Boston, Massachusetts 02215, United States
| | - Amit Patwa
- Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States
- Department of Chemistry, School of Science, Navrachana University, Vadodara, Gujarat 391410, India
| | - Brian D Snyder
- Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts 02215, United States
- Department of Orthopaedic Surgery, Boston Children's Hospital, Harvard Medical School, Boston, Massachusetts 02215, United States
| | - Mark W Grinstaff
- Department of Biomedical Engineering, Boston University, Boston, Massachusetts 02215, United States
- Department of Medicine, Boston University, Boston, Massachusetts 02215 United States
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Rafiq MT, Hamid MSA, Hafiz E. Short-Term Effects of Strengthening Exercises of the Lower Limb Rehabilitation Protocol on Pain, Stiffness, Physical Function, and Body Mass Index among Knee Osteoarthritis Participants Who Were Overweight or Obese: A Clinical Trial. ScientificWorldJournal 2021; 2021:6672274. [PMID: 34975349 PMCID: PMC8716196 DOI: 10.1155/2021/6672274] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 11/02/2021] [Accepted: 11/09/2021] [Indexed: 11/18/2022] Open
Abstract
BACKGROUND Osteoarthritis (OA) of the knee is defined as a progressive disease of the synovial joints and is characterized by wear and tear of the cartilage and underlying bone. This study aimed to determine the short-term effects of the lower limb rehabilitation protocol (LLRP) on pain, stiffness, physical function, and body mass index (BMI) among knee OA participants who were overweight or obese. Methodology. A single-blinded randomized controlled trial of one-month duration was conducted at Rehmatul-Lil-Alameen Postgraduate Institute, Lahore, Pakistan. Fifty overweight or obese participants with knee OA were randomly divided into two groups by a computer-generated number. Participants in the rehabilitation protocol group (RPG) were provided with leaflets explaining the strengthening exercises of the LLRP and instruction of daily care (IDC), while the participants in the control group (CG) were provided with leaflets explaining the IDC only for a duration of four weeks. The primary outcome measures were the Western Ontario and McMaster Universities Osteoarthritis Index (WOMAC) scores for pain, stiffness, and physical function. The secondary outcome measures were BMI, exercise adherence, and patients' satisfaction assessed by using the numeric rating scale ranging from 0 to 10. The paired-sample t-test was used to analyze the differences within groups from baseline to posttest evaluations. The analysis of variance 2 × 2 factor was used to analyze the differences in BMI, knee pain, stiffness, and physical function between the groups. RESULTS Participants in the RPG and CG reported a statistically significant reduction in knee pain and stiffness (p ≤ 0.05) within the group. The reduction in the scores of knee pain was higher in participants in the RPG than that in participants in the CG (p=0.001). Additionally, participants in the RPG reported greater satisfaction (p=0.001) and higher self-reported exercise adherence (p=0.010) and coordinator-reported exercise adherence (p=0.046) than the participants in the CG. CONCLUSION Short-term effects of the LLRP appear to reduce knee pain and stiffness only, but not physical function and BMI.
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Affiliation(s)
- Muhammad Tariq Rafiq
- Centre for Sport and Exercise Sciences, University of Malaya, 50603 Kuala Lumpur, Malaysia
- Rehmatul-Lil-Alameen Postgraduate Institute of Cardiology, Punjab Employees Social Security Institution, Lahore, Pakistan
| | - Mohamad Shariff A. Hamid
- Unit of Sports Medicine, Faculty of Medicine, University of Malaya, 50603 Kuala Lumpur, Malaysia
| | - Eliza Hafiz
- Centre for Sport and Exercise Sciences, University of Malaya, 50603 Kuala Lumpur, Malaysia
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Im SJ, Suh JY, Shim JH, Baek HM. Deterministic Tractography Analysis of Rat Brain Using SIGMA Atlas in 9.4T MRI. Brain Sci 2021; 11:brainsci11121656. [PMID: 34942958 PMCID: PMC8699268 DOI: 10.3390/brainsci11121656] [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: 11/22/2021] [Revised: 12/14/2021] [Accepted: 12/16/2021] [Indexed: 11/28/2022] Open
Abstract
Preclinical studies using rodents have been the choice for many neuroscience researchers due totheir close reflection of human biology. In particular, research involving rodents has utilized MRI to accurately identify brain regions and characteristics by acquiring high resolution cavity images with different contrasts non-invasively, and this has resulted in high reproducibility and throughput. In addition, tractographic analysis using diffusion tensor imaging to obtain information on the neural structure of white matter has emerged as a major methodology in the field of neuroscience due to its contribution in discovering significant correlations between altered neural connections and various neurological and psychiatric diseases. However, unlike image analysis studies with human subjects where a myriad of human image analysis programs and procedures have been thoroughly developed and validated, methods for analyzing rat image data using MRI in preclinical research settings have seen significantly less developed. Therefore, in this study, we present a deterministic tractographic analysis pipeline using the SIGMA atlas for a detailed structural segmentation and structural connectivity analysis of the rat brain’s structural connectivity. In addition, the structural connectivity analysis pipeline presented in this study was preliminarily tested on normal and stroke rat models for initial observation.
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Affiliation(s)
- Sang-Jin Im
- Department of Core Facility for Cell to In-Vivo Imaging, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Korea; (S.-J.I.); (J.-Y.S.)
| | - Ji-Yeon Suh
- Department of Core Facility for Cell to In-Vivo Imaging, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Korea; (S.-J.I.); (J.-Y.S.)
| | - Jae-Hyuk Shim
- Department of BioMedical Science, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Korea;
| | - Hyeon-Man Baek
- Department of Core Facility for Cell to In-Vivo Imaging, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Korea; (S.-J.I.); (J.-Y.S.)
- Department of Molecular Medicine, Lee Gil Ya Cancer and Diabetes Institute, Gachon University, Incheon 21999, Korea
- Correspondence: ; Tel.: +82-32-899-6678
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Jena A, Taneja S, Rana P, Goyal N, Vaish A, Botchu R, Vaishya R. Emerging role of integrated PET-MRI in osteoarthritis. Skeletal Radiol 2021; 50:2349-2363. [PMID: 34185124 DOI: 10.1007/s00256-021-03847-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 06/16/2021] [Accepted: 06/16/2021] [Indexed: 02/02/2023]
Abstract
Osteoarthritis (OA) is a common degenerative disorder of the articular cartilage, which is associated with hypertrophic changes in the bone, synovial inflammation, subchondral sclerosis, and joint space narrowing (JSN). Radiography remains the first line of imaging till now. Due to the lack of soft-tissue depiction in radiography, researchers are exploring various imaging techniques to detect OA at an early stage and understand its pathophysiology to restrict its progression and discover disease-modifying agents in OA. As the OA relates to the degradation of articular cartilage and remodeling of the underlying bone, an optimal imaging tool must be sensitive to the bone and soft tissue health. In that line, many non-invasive imaging and minimally invasive techniques have been explored. Out of these, the non-invasive compositional magnetic resonance imaging (MRI) for evaluation of the integrity of articular cartilage and positron emission tomography (PET) scan with fluorodeoxyglucose (FDG) and more specific bone-seeking tracer like sodium fluoride (18F-NaF) for bone cartilage interface are some of the leading areas of ongoing work. Integrated PET-MRI system, a new hybrid modality that combines the virtues of the above two individual modalities, allows detailed imaging of the entire joint, including soft tissue cartilage and bone, and holds great potential to research complex disease processes of OA. This narrative review attempts to signify individual characteristics of MRI, PET, the fusion of these characteristics in PET-MRI, and the ongoing research on PET-MRI as a potential tool to understand the pathophysiology of OA.
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Affiliation(s)
- Amarnath Jena
- PET SUITE (Indraprastha Apollo Hospitals and House of Diagnostics), Department of Molecular Imaging and Nuclear Medicine, Indraprastha Apollo Hospitals, Sarita Vihar, Delhi-Mathura Road, New Delhi, 110076, India
| | - Sangeeta Taneja
- PET SUITE (Indraprastha Apollo Hospitals and House of Diagnostics), Department of Molecular Imaging and Nuclear Medicine, Indraprastha Apollo Hospitals, Sarita Vihar, Delhi-Mathura Road, New Delhi, 110076, India
| | - Prerana Rana
- PET SUITE (Indraprastha Apollo Hospitals and House of Diagnostics), Department of Molecular Imaging and Nuclear Medicine, Indraprastha Apollo Hospitals, Sarita Vihar, Delhi-Mathura Road, New Delhi, 110076, India.,Apollo Hospitals Education & Research Foundation, Indraprastha Apollo Hospitals, Sarita Vihar, Delhi-Mathura Road, New Delhi, 110076, India
| | - Nidhi Goyal
- Department of Radiodiagnosis and Imaging, Indraprastha Apollo Hospitals, Sarita Vihar, Delhi-Mathura Road, New Delhi, 110076, India
| | - Abhishek Vaish
- Department of Orthopaedics and Joint Replacement Surgery, Indraprastha Apollo Hospitals, Sarita Vihar, Delhi-Mathura Road, New Delhi, 110076, India
| | - Rajesh Botchu
- Department of Musculoskeletal Radiology, Royal Orthopedic Hospital, Birmingham, UK.
| | - Raju Vaishya
- Department of Orthopaedics and Joint Replacement Surgery, Indraprastha Apollo Hospitals, Sarita Vihar, Delhi-Mathura Road, New Delhi, 110076, India
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Blom RP, Mol D, van Ruijven LJ, Kerkhoffs GMMJ, Smit TH. A Single Axial Impact Load Causes Articular Damage That Is Not Visible with Micro-Computed Tomography: An Ex Vivo Study on Caprine Tibiotalar Joints. Cartilage 2021; 13:1490S-1500S. [PMID: 31540553 PMCID: PMC8804841 DOI: 10.1177/1947603519876353] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
OBJECTIVE Excessive articular loading, for example, an ankle sprain, may result in focal osteochondral damage, initiating a vicious degenerative process resulting in posttraumatic osteoarthritis (PTOA). Better understanding of this degenerative process would allow improving posttraumatic care with the aim to prevent PTOA. The primary objective of this study was to establish a drop-weight impact testing model with controllable, reproducible and quantitative axial impact loads to induce osteochondral damage in caprine tibiotalar joints. We aimed to induce osteochondral damage on microscale level of the tibiotalar joint without gross intra-articular fractures of the tibial plafond. DESIGN Fresh-frozen tibiotalar joints of mature goats were used as ex vivo articulating joint models. Specimens were axially impacted by a mass of 10.5 kg dropped from a height of 0.3 m, resulting in a speed of 2.4 m/s, an impact energy of 31.1 J and an impact impulse of 25.6 N·s. Potential osteochondral damage of the caprine tibiotalar joints was assessed using contrast-enhanced high-resolution micro-computed tomography (micro-CT). Subsequently, we performed quasi-static loading experiments to determine postimpact mechanical behavior of the tibiotalar joints. RESULTS Single axial impact loads with a mass of 15.5 kg dropped from 0.3 m, resulted in intra-articular fractures of the tibial plafond, where a mass of 10.55 kg dropped from 0.3 m did not result in any macroscopic damage. In addition, contrast-enhanced high-resolution micro-CT imaging neither reveal any acute microdamage (i.e., microcracks) of the subchondral bone nor any (micro)structural changes in articular cartilage. The Hexabrix content or voxel density (i.e., proteoglycan content of the articular cartilage) on micro-CT did not show any differences between intact and impacted specimens. However, quasi-static whole-tibiotalar-joint loading showed an altered biomechanical behavior after application of a single axial impact (i.e., increased hysteresis when compared with the intact or nonimpacted specimens). CONCLUSIONS Single axial impact loads did not induce osteochondral damage visible with high-resolution contrast-enhanced micro-CT. However, despite the lack of damage on macro- and even microscale, the single axial impact loads resulted in "invisible injuries" because of the observed changes in the whole-joint biomechanics of the caprine tibiotalar joints. Future research must focus on diagnostic tools for the detection of early changes in articular cartilage after a traumatic impact (i.e., ankle sprains or ankle fractures), as it is well known that this could result in PTOA.
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Affiliation(s)
- Robin P. Blom
- Department of Orthopaedic Surgery,
Amsterdam University Medical Center, Amsterdam Movement Sciences, Amsterdam, the
Netherlands
| | - Douwe Mol
- Department of Orthopaedic Surgery,
Amsterdam University Medical Center, Amsterdam Movement Sciences, Amsterdam, the
Netherlands
| | - Leo J. van Ruijven
- Department of Oral Cell Biology and
Functional Anatomy, ACTA–University of Amsterdam and VU University, Amsterdam
Movement Sciences, Amsterdam, the Netherlands
| | - Gino M. M. J. Kerkhoffs
- Department of Orthopaedic Surgery,
Amsterdam University Medical Center, Amsterdam Movement Sciences, Amsterdam, the
Netherlands,Academic Center for Evidence-Based
Sports medicine (ACES), Amsterdam Collaboration for Health and Safety in Sports
(ACHSS), IOC Research Center, Amsterdam, the Netherlands
| | - Theo H. Smit
- Department of Orthopaedic Surgery,
Amsterdam University Medical Center, Amsterdam Movement Sciences, Amsterdam, the
Netherlands,Department of Medical Biology, Amsterdam
University Medical Center, Amsterdam Movement Sciences, Amsterdam, the
Netherlands,Theo H. Smit, Department of Medical Biology,
Amsterdam University Medical Center, De Boelelaan 1117, 1081 HV Amsterdam, the
Netherlands.
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Nguyen TPT, Li F, Shrestha S, Tuan RS, Thissen H, Forsythe JS, Frith JE. Cell-laden injectable microgels: Current status and future prospects for cartilage regeneration. Biomaterials 2021; 279:121214. [PMID: 34736147 DOI: 10.1016/j.biomaterials.2021.121214] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 09/19/2021] [Accepted: 10/20/2021] [Indexed: 12/15/2022]
Abstract
Injectable hydrogels have been employed extensively as versatile materials for cartilage regeneration due to their excellent biocompatibility, tunable structure, and ability to accommodate bioactive factors, as well as their ability to be locally delivered via minimally invasive injection to fill irregular defects. More recently, in vitro and in vivo studies have revealed that processing these materials to produce cell-laden microgels can enhance cell-cell and cell-matrix interactions and boost nutrient and metabolite exchange. Moreover, these studies have demonstrated gene expression profiles and matrix regeneration that are superior compared to conventional injectable bulk hydrogels. As cell-laden microgels and their application in cartilage repair are moving closer to clinical translation, this review aims to present an overview of the recent developments in this field. Here we focus on the currently used biomaterials and crosslinking strategies, the innovative fabrication techniques being used for the production of microgels, the cell sources used, the signals used for induction of chondrogenic differentiation and the resultant biological responses, and the ability to create three-dimensional, functional cartilage tissues. In addition, this review also covers the current clinical approaches for repairing cartilage as well as specific challenges faced when attempting the regeneration of damaged cartilage tissue. New findings related to the macroporous nature of the structures formed by the assembled microgel building blocks and the novel use of microgels in 3D printing for cartilage tissue engineering are also highlighted. Finally, we outline the challenges and future opportunities for employing cell-laden microgels in clinical applications.
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Affiliation(s)
- Thuy P T Nguyen
- Department of Materials Science and Engineering, Monash Institute of Medical Engineering, Monash University, Clayton, VIC, 3800, Australia
| | - Fanyi Li
- Department of Materials Science and Engineering, Monash Institute of Medical Engineering, Monash University, Clayton, VIC, 3800, Australia
| | - Surakshya Shrestha
- Department of Materials Science and Engineering, Monash Institute of Medical Engineering, Monash University, Clayton, VIC, 3800, Australia
| | - Rocky S Tuan
- Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Shatin, Hong Kong SAR, China
| | - Helmut Thissen
- CSIRO Manufacturing, Bayview Avenue, Clayton, VIC, 3168, Australia
| | - John S Forsythe
- Department of Materials Science and Engineering, Monash Institute of Medical Engineering, Monash University, Clayton, VIC, 3800, Australia; Monash Institute of Medical Engineering, Monash University, Clayton, VIC, 3800, Australia; ARC Training Centre for Cell and Tissue Engineering Technologies, Clayton, VIC 3800, Australia.
| | - Jessica E Frith
- Department of Materials Science and Engineering, Monash Institute of Medical Engineering, Monash University, Clayton, VIC, 3800, Australia; Monash Institute of Medical Engineering, Monash University, Clayton, VIC, 3800, Australia; Australian Regenerative Medicine Institute, Monash University, Clayton, VIC, 3800, Australia; ARC Training Centre for Cell and Tissue Engineering Technologies, Clayton, VIC 3800, Australia.
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Ching K, Houard X, Berenbaum F, Wen C. Hypertension meets osteoarthritis - revisiting the vascular aetiology hypothesis. Nat Rev Rheumatol 2021; 17:533-549. [PMID: 34316066 DOI: 10.1038/s41584-021-00650-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/23/2021] [Indexed: 02/07/2023]
Abstract
Osteoarthritis (OA) is a whole-joint disease characterized by subchondral bone perfusion abnormalities and neovascular invasion into the synovium and articular cartilage. In addition to local vascular disturbance, mounting evidence suggests a pivotal role for systemic vascular pathology in the aetiology of OA. This Review outlines the current understanding of the close relationship between high blood pressure (hypertension) and OA at the crossroads of epidemiology and molecular biology. As one of the most common comorbidities in patients with OA, hypertension can disrupt joint homeostasis both biophysically and biochemically. High blood pressure can increase intraosseous pressure and cause hypoxia, which in turn triggers subchondral bone and osteochondral junction remodelling. Furthermore, systemic activation of the renin-angiotensin and endothelin systems can affect the Wnt-β-catenin signalling pathway locally to govern joint disease. The intimate relationship between hypertension and OA indicates that endothelium-targeted strategies, including re-purposed FDA-approved antihypertensive drugs, could be useful in the treatment of OA.
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Affiliation(s)
- Karen Ching
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China
| | - Xavier Houard
- Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine, Paris, France
| | - Francis Berenbaum
- Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine, Paris, France
- Department of Rheumatology, Sorbonne Université, Saint-Antoine Hospital, Paris, France
| | - Chunyi Wen
- Department of Biomedical Engineering, The Hong Kong Polytechnic University, Hung Hom, Hong Kong, China.
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30
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Bioprinting of a Zonal-Specific Cell Density Scaffold: A Biomimetic Approach for Cartilage Tissue Engineering. APPLIED SCIENCES-BASEL 2021. [DOI: 10.3390/app11177821] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
The treatment of articular cartilage defects remains a significant clinical challenge. This is partially due to current tissue engineering strategies failing to recapitulate native organization. Articular cartilage is a graded tissue with three layers exhibiting different cell densities: the superficial zone having the highest density and the deep zone having the lowest density. However, the introduction of cell gradients for cartilage tissue engineering, which could promote a more biomimetic environment, has not been widely explored. Here, we aimed to bioprint a scaffold with different zonal cell densities to mimic the organization of articular cartilage. The scaffold was bioprinted using an alginate-based bioink containing human articular chondrocytes. The scaffold design included three cell densities, one per zone: 20 × 106 (superficial), 10 × 106 (middle), and 5 × 106 (deep) cells/mL. The scaffold was cultured in a chondrogenic medium for 25 days and analyzed by live/dead assay and histology. The live/dead analysis showed the ability to generate a zonal cell density with high viability. Histological analysis revealed a smooth transition between the zones in terms of cell distribution and a higher sulphated glycosaminoglycan deposition in the highest cell density zone. These findings pave the way toward bioprinting complex zonal cartilage scaffolds as single units, thereby advancing the translation of cartilage tissue engineering into clinical practice.
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31
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Fourier Transform Infrared Microspectroscopy Combined with Principal Component Analysis and Artificial Neural Networks for the Study of the Effect of β-Hydroxy-β-Methylbutyrate (HMB) Supplementation on Articular Cartilage. Int J Mol Sci 2021; 22:ijms22179189. [PMID: 34502096 PMCID: PMC8430473 DOI: 10.3390/ijms22179189] [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: 07/26/2021] [Revised: 08/23/2021] [Accepted: 08/24/2021] [Indexed: 11/17/2022] Open
Abstract
The potential of Fourier Transform infrared microspectroscopy (FTIR microspectroscopy) and multivariate analyses were applied for the classification of the frequency ranges responsible for the distribution changes of the main components of articular cartilage (AC) that occur during dietary β-hydroxy-β-methyl butyrate (HMB) supplementation. The FTIR imaging analysis of histological AC sections originating from 35-day old male piglets showed the change in the collagen and proteoglycan contents of the HMB-supplemented group compared to the control. The relative amount of collagen content in the superficial zone increased by more than 23% and in the middle zone by about 17%, while no changes in the deep zone were observed compared to the control group. Considering proteoglycans content, a significant increase was registered in the middle and deep zones, respectively; 62% and 52% compared to the control. AFM nanoindentation measurements collected from animals administered with HMB displayed an increase in AC tissue stiffness by detecting a higher value of Young’s modulus in all investigated AC zones. We demonstrated that principal component analysis and artificial neural networks could be trained with spectral information to distinguish AC histological sections and the group under study accurately. This work may support the use and effectiveness of FTIR imaging combined with multivariate analyses as a quantitative alternative to traditional collagenous tissue-related histology.
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Hänninen NE, Nykänen O, Prakash M, Hanni M, Nieminen MT, Nissi MJ. Orientation anisotropy of quantitative MRI parameters in degenerated human articular cartilage. J Orthop Res 2021; 39:861-870. [PMID: 32543737 DOI: 10.1002/jor.24778] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/30/2019] [Revised: 05/08/2020] [Accepted: 06/12/2020] [Indexed: 02/04/2023]
Abstract
Quantitative magnetic resonance (MR) relaxation parameters demonstrate varying sensitivity to the orientation of the ordered tissues in the magnetic field. In this study, the orientation dependence of multiple relaxation parameters was assessed in cadaveric human cartilage with varying degree of natural degeneration, and compared with biomechanical testing, histological scoring, and quantitative histology. Twelve patellar cartilage samples were imaged at 9.4 T MRI with multiple relaxation parameters, including T1 , T2 , CW - T1ρ , and adiabatic T1ρ , at three different orientations with respect to the main magnetic field. Anisotropy of the relaxation parameters was quantified, and the results were compared with the reference measurements and between samples of different histological Osteoarthritis Research Society International (OARSI) grades. T2 and CW - T1ρ at 400 Hz spin-lock demonstrated the clearest anisotropy patterns. Radial zone anisotropy for T2 was significantly higher for samples with OARSI grade 2 than for grade 4. The proteoglycan content (measured as optical density) correlated with the radial zone MRI orientation anisotropy for T2 (r = 0.818) and CW - T1ρ with 400 Hz spin-lock (r = 0.650). Orientation anisotropy of MRI parameters altered with progressing cartilage degeneration. This is associated with differences in the integrity of the collagen fiber network, but it also seems to be related to the proteoglycan content of the cartilage. Samples with advanced OA had great variation in all biomechanical and histological properties and exhibited more variation in MRI orientation anisotropy than the less degenerated samples. Understanding the background of relaxation anisotropy on a molecular level would help to develop new MRI contrasts and improve the application of previously established quantitative relaxation contrasts.
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Affiliation(s)
- Nina Elina Hänninen
- Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland.,Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Olli Nykänen
- Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
| | - Mithilesh Prakash
- Department of Applied Physics, University of Eastern Finland, Kuopio, Finland.,A.I. Virtanen Institute for Molecular Sciences, University of Eastern Finland, Kuopio, Finland
| | - Matti Hanni
- Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland.,Medical Research Center Oulu, Oulu University Hospital, University of Oulu, Oulu, Finland.,Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland
| | - Miika Tapio Nieminen
- Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland.,Medical Research Center Oulu, Oulu University Hospital, University of Oulu, Oulu, Finland.,Department of Diagnostic Radiology, Oulu University Hospital, Oulu, Finland
| | - Mikko Johannes Nissi
- Research Unit of Medical Imaging, Physics and Technology, University of Oulu, Oulu, Finland.,Department of Applied Physics, University of Eastern Finland, Kuopio, Finland
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Khajavi M, Hajimoradloo A, Zandi M, Pezeshki-Modaress M, Bonakdar S, Zamani A. Fish cartilage: A promising source of biomaterial for biological scaffold fabrication in cartilage tissue engineering. J Biomed Mater Res A 2021; 109:1737-1750. [PMID: 33738960 DOI: 10.1002/jbm.a.37169] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2020] [Revised: 02/17/2021] [Accepted: 03/09/2021] [Indexed: 12/16/2022]
Abstract
Here, engineered cartilage-like scaffold using an extracellular matrix (ECM) from sturgeon fish cartilage provided a chondroinductive environment to stimulate cartilaginous matrix synthesis in human adipose stem cells (hASCs). Three dimensional porous and degradable fish cartilage ECM-derived scaffold (FCS) was produced using a protocol containing chemical decellularization, enzymatic solubilization, freeze-drying and EDC-crosslinking treatments and the effect of different ECM concentrations (10, 20, 30, and 40 mg/ml) on prepared scaffolds was investigated through physical, mechanical and biological analysis. The histological and scanning electron microscopy analysis revealed the elimination of the cell fragments and a 3-D interconnected porous structure, respectively. Cell viability assay displayed no cytotoxic effects. The prepared porous constructs of fish cartilage ECM were seeded with hASCs for 21 days and compared to collagen (Col) and collagen-10% hyaluronic acid (Col-HA) scaffolds. Cell culture results evidenced that the fabricated scaffolds could provide a proper 3-D structure to support the adhesion, proliferation and chondrogenic differentiation of hASCs considering the synthesis of specific proteins of cartilage, collagen type II (Col II) and aggrecan (ACAN). Based on the results of the present study, it can be concluded that the porous scaffold derived from fish cartilage ECM possesses an excellent potential for cartilage tissue engineering.
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Affiliation(s)
- Maryam Khajavi
- Department of Fisheries, Faculty of Fisheries and Environmental Science, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Abdolmajid Hajimoradloo
- Department of Fisheries, Faculty of Fisheries and Environmental Science, Gorgan University of Agricultural Sciences and Natural Resources, Gorgan, Iran
| | - Mojgan Zandi
- Department of Biomaterials, Iran Polymer and Petrochemical Institute, Tehran, Iran
| | | | - Shahin Bonakdar
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
| | - Abbas Zamani
- Department of Fisheries, Faculty of Natural Resources and Environment, Malayer University, Malayer, Iran
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Pritchard A, Nielsen BD, Robison C, Manfredi JM. Low dietary silicon supplementation may not affect bone and cartilage in mature, sedentary horses. J Anim Sci 2021; 98:5996088. [PMID: 33216909 DOI: 10.1093/jas/skaa377] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2020] [Accepted: 11/16/2020] [Indexed: 11/14/2022] Open
Abstract
As osteoarthritis is a major cause of lameness in horses in the United States, improving collagen health prior to onset and increasing collagen turnover within affected joints could improve health- and welfare-related outcomes. Through its positive effects on bone mineral content and density and its role in increasing collagen synthesis, silicon (Si) may slow the development and progression of osteoarthritis, thereby reducing lameness. This study evaluated the hypothesis that Si supplementation would increase cartilage turnover through increased collagen degradation and formation markers, as well as bone formation markers, resulting in reduced lameness severity when compared with controls. Ten mature Standardbred geldings were assigned to either a Si-treated (SIL) or control (CON) group and group-housed on pasture for 84 d. Horses were individually fed to ensure no cross-contamination of Si other than what was present in the environment. For the duration of the study, SIL horses received a Si-collagen supplement at the rate of 0.3 g supplement/(100 kg body weight day). Serum samples were taken weekly for osteocalcin, and plasma samples were taken on days 0, 42, and 84 for plasma minerals. On days 0, 42, and 84, subjective and objective lameness exams were performed, and radiographs and synovial fluid samples were taken from reference and osteoarthritic joints. Plasma minerals were similar in both groups and were lower on day 84 than on day 0 (P < 0.05). Si supplementation, fed at the manufacturer's recommended rate, did not improve lameness or radiographs when compared with controls, and supplemented horses did not show greater collagen degradation and/or synthesis markers in synovial fluid than controls, indicating that cartilage turnover remained unaffected. However, a minimum beneficial threshold and range for Si supplementation standardized to body weight need to be established.
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Affiliation(s)
- Abby Pritchard
- Department of Animal Science, College of Agriculture and Natural Resources, Michigan State University, East Lansing, MI
| | - Brian D Nielsen
- Department of Animal Science, College of Agriculture and Natural Resources, Michigan State University, East Lansing, MI
| | - Cara Robison
- Department of Animal Science, College of Agriculture and Natural Resources, Michigan State University, East Lansing, MI
| | - Jane M Manfredi
- Department of Pathobiology and Diagnostic Investigation, College of Veterinary Medicine, Michigan State University, East Lansing, MI
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Southan J, McHugh E, Walker H, Ismail HM. Metabolic Signature of Articular Cartilage Following Mechanical Injury: An Integrated Transcriptomics and Metabolomics Analysis. Front Mol Biosci 2020; 7:592905. [PMID: 33392255 PMCID: PMC7773849 DOI: 10.3389/fmolb.2020.592905] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 09/28/2020] [Indexed: 12/21/2022] Open
Abstract
Mechanical injury to the articular cartilage is a key risk factor in joint damage and predisposition to osteoarthritis. Integrative multi-omics approaches provide a valuable tool to understand tissue behavior in response to mechanical injury insult and help to identify key pathways linking injury to tissue damage. Global or untargeted metabolomics provides a comprehensive characterization of the metabolite content of biological samples. In this study, we aimed to identify the metabolic signature of cartilage tissue post injury. We employed an integrative analysis of transcriptomics and global metabolomics of murine epiphyseal hip cartilage before and after injury. Transcriptomics analysis showed a significant enrichment of gene sets involved in regulation of metabolic processes including carbon metabolism, biosynthesis of amino acids, and steroid biosynthesis. Integrative analysis of enriched genes with putatively identified metabolite features post injury showed a significant enrichment for carbohydrate metabolism (glycolysis, galactose, and glycosylate metabolism and pentose phosphate pathway) and amino acid metabolism (arginine biosynthesis and tyrosine, glycine, serine, threonine, and arginine and proline metabolism). We then performed a cross analysis of global metabolomics profiles of murine and porcine ex vivo cartilage injury models. The top commonly modulated metabolic pathways post injury included arginine and proline metabolism, arginine biosynthesis, glycolysis/gluconeogenesis, and vitamin B6 metabolic pathways. These results highlight the significant modulation of metabolic responses following mechanical injury to articular cartilage. Further investigation of these pathways would provide new insights into the role of the early metabolic state of articular cartilage post injury in promoting tissue damage and its link to disease progression of osteoarthritis.
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Affiliation(s)
- Jennifer Southan
- Department of Infection, Immunity and Cardiovascular Disease, Medical School, The University of Sheffield, Sheffield, United Kingdom
| | - Emily McHugh
- Department of Infection, Immunity and Cardiovascular Disease, Medical School, The University of Sheffield, Sheffield, United Kingdom
| | - Heather Walker
- biOMICS Mass Spectrometry Facility, Department of Animal and Plant Sciences, The University of Sheffield, Sheffield, United Kingdom
| | - Heba M Ismail
- Department of Infection, Immunity and Cardiovascular Disease, Medical School, The University of Sheffield, Sheffield, United Kingdom
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Jahangir S, Eglin D, Pötter N, Khozaei Ravari M, Stoddart MJ, Samadikuchaksaraei A, Alini M, Baghaban Eslaminejad M, Safa M. Inhibition of hypertrophy and improving chondrocyte differentiation by MMP-13 inhibitor small molecule encapsulated in alginate-chondroitin sulfate-platelet lysate hydrogel. Stem Cell Res Ther 2020; 11:436. [PMID: 33036643 PMCID: PMC7545577 DOI: 10.1186/s13287-020-01930-1] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2020] [Accepted: 09/08/2020] [Indexed: 12/19/2022] Open
Abstract
BACKGROUND Mesenchymal stem cells are a promising cell source for chondrogenic differentiation and have been widely used in several preclinical and clinical studies. However, they are prone to an unwanted differentiation process towards hypertrophy that limits their therapeutic efficacy. Matrix metallopeptidase 13 (MMP-13) is a well-known factor regulated during this undesirable event. MMP-13 is a collagen degrading enzyme, which is also highly expressed in the hypertrophic zone of the growth plate and in OA cartilage. Accordingly, we investigated the effect of MMP-13 inhibition on MSC hypertrophy. METHODS In this study, 5-bromoindole-2-carboxylic acid (BICA) was used as an inhibitory agent for MMP-13 expression. After identifying its optimal concentration, BICA was mixed into a hydrogel and the release rate was studied. To prepare the ideal hydrogel, chondroitin sulfate (CS) and platelet lysate (PL) were mixed with sodium alginate (Alg) at concentrations selected based on synergistic mechanical and rheometric properties. Then, four hydrogels were prepared by combining alginate (1.5%w/v) and/or CS (1%w/v) and/or PL (20%v/v). The chondrogenic potential and progression to hypertrophy of human bone marrow-derived mesenchymal stem cell (hBM-MSC)-loaded hydrogels were investigated under free swelling and mechanical loading conditions, in the presence and absence of BICA. RESULTS Viability of hBM-MSCs seeded in the four hydrogels was similar. qRT-PCR revealed that BICA could successfully inhibit MMP-13 expression, which led to an inhibition of Coll X and induction of Coll-II, in both free swelling and loading conditions. The GAG deposition was higher in the group combining BICA and mechanical stimulation. CONCLUSIONS It is concluded that BICA inhibition of MMP-13 reduces MSC hypertrophy during chondrogenesis.
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Affiliation(s)
- Shahrbanoo Jahangir
- Department of Tissue engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - David Eglin
- AO Research Institute Davos, Clavadelerstrasse 8, 7270, Davos, Switzerland
| | - Naomi Pötter
- AO Research Institute Davos, Clavadelerstrasse 8, 7270, Davos, Switzerland
- Department of orthopedics and Trauma Surgery, Faculty of Medicine, Medical Center Albert-Ludwigs University, Albert-Ludwigs University of Freiburg, Freiburg im Breisgau, Germany
| | - Mojtaba Khozaei Ravari
- Department of Stem Cells and Developmental Biology, Cell Science Research Center Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Martin J Stoddart
- AO Research Institute Davos, Clavadelerstrasse 8, 7270, Davos, Switzerland
- Department of orthopedics and Trauma Surgery, Faculty of Medicine, Medical Center Albert-Ludwigs University, Albert-Ludwigs University of Freiburg, Freiburg im Breisgau, Germany
| | - Ali Samadikuchaksaraei
- Department of Tissue engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran
- Department of Medical Biotechnology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Mauro Alini
- AO Research Institute Davos, Clavadelerstrasse 8, 7270, Davos, Switzerland.
| | - Mohammadreza Baghaban Eslaminejad
- Department of Stem Cells and Developmental Biology, Cell Science Research Center Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
| | - Majid Safa
- Department of Tissue engineering & Regenerative Medicine, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
- Cellular and Molecular Research Center, Iran University of Medical Sciences, Tehran, Iran.
- Department of Hematology, Faculty of Allied Medicine, Iran University of Medical Sciences, Tehran, Iran.
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Freedman JD, Ellis DJ, Lusic H, Varma GV, Grant AK, Lakin BA, Snyder BD, Grinstaff MW. dGEMRIC and CECT Comparison of Cationic and Anionic Contrast Agents in Cadaveric Human Metacarpal Cartilage. J Orthop Res 2020; 38:719-725. [PMID: 31687789 PMCID: PMC7071952 DOI: 10.1002/jor.24511] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Accepted: 10/31/2019] [Indexed: 02/04/2023]
Abstract
Magnetic resonance imaging (MRI) and computed tomography (CT) are widely used to image cartilage and their diagnostic capability is enhanced in the presence of contrast agents. The aim of the study is to directly compare the performance between commercial anionic MRI (Gd(DTPA), Gd2-) and CT (Ioxaglate, Iox1-) contrast agents with novel cationic MRI (Gd(DTPA)Lys2 , Gd4+) and CT (CA4+) contrast agents for assessment of cartilage mechanical and biochemical properties using the ex vivo human osteoarthritis metacarpal cartilage model. First, indentation testing was conducted to obtain the compressive modulus of the human fifth metacarpals. The samples were then immersed in the anionic and cationic contrast agents prior to delayed gadolinium-enhanced MRI of cartilage and CT scanning, respectively. The cartilage glycosaminoglycan (GAG) content and distribution were determined using the 1,9-dimethylmethylene blue assay and Safranin-O histology. Cationic agents significantly accumulate in cartilage compared with anionic agents. Significant positive correlations (p < 0.05) exist between imaging results of cationic agents and GAG content (Gd4+: R2 = 0.43; CA4+: R2 = 0.67) and indentation equilibrium modulus (Gd4+: R2 = 0.48; CA4+: R2 = 0.77). Significant negative correlations are observed between anionic MRI relaxation times, but not contrast-enhanced computed tomography attenuation and cartilage GAG content (Gd2-: R2 = 0.56, p < 0.05; Iox1-: R2 = 0.31, p > 0.05) and indentation equilibrium modulus (Gd2-: R2 = 0.38, p < 0.05; Iox1-: R2 = 0.17, p > 0.05). MRI or CT with cationic contrast agents provides greater sensitivity than their anionic analogs at assessing the biochemical and biomechanical properties of ex vivo human metacarpal cartilage. © 2019 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 38:719-725, 2020.
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Affiliation(s)
- Jonathan D. Freedman
- Department of Pharmacology, Boston University, Boston, MA
- Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Daniel J. Ellis
- Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Hrvoje Lusic
- Department of Chemistry, Boston University, Boston, MA
| | - Gopal V. Varma
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Aaron K. Grant
- Department of Radiology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Benjamin A. Lakin
- Department of Biomedical Engineering, Boston University, Boston, MA
- Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
| | - Brian D. Snyder
- Center for Advanced Orthopaedic Studies, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA
- Department of Orthopaedic Surgery, Boston Children’s Hospital, Boston, MA
| | - Mark W. Grinstaff
- Department of Pharmacology, Boston University, Boston, MA
- Department of Chemistry, Boston University, Boston, MA
- Department of Biomedical Engineering, Boston University, Boston, MA
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de Melo BAG, Jodat YA, Mehrotra S, Calabrese MA, Kamperman T, Mandal BB, Santana MHA, Alsberg E, Leijten J, Shin SR. 3D Printed Cartilage-Like Tissue Constructs with Spatially Controlled Mechanical Properties. ADVANCED FUNCTIONAL MATERIALS 2019; 29:1906330. [PMID: 34108852 PMCID: PMC8186324 DOI: 10.1002/adfm.201906330] [Citation(s) in RCA: 61] [Impact Index Per Article: 12.2] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/03/2019] [Indexed: 06/12/2023]
Abstract
Developing biomimetic cartilaginous tissues that support locomotion while maintaining chondrogenic behavior is a major challenge in the tissue engineering field. Specifically, while locomotive forces demand tissues with strong mechanical properties, chondrogenesis requires a soft microenvironment. To address this challenge, 3D cartilage-like tissue is bioprinted using two biomaterials with different mechanical properties: a hard biomaterial to reflect the macromechanical properties of native cartilage, and a soft biomaterial to create a chondrogenic microenvironment. To this end, a hard biomaterial (MPa order compressive modulus) composed of an interpenetrating polymer network (IPN) of polyethylene glycol (PEG) and alginate hydrogel is developed as an extracellular matrix (ECM) with self-healing properties, but low diffusive capacity. Within this bath supplemented with thrombin, fibrinogen containing human mesenchymal stem cell (hMSC) spheroids is bioprinted forming fibrin, as the soft biomaterial (kPa order compressive modulus) to simulate cartilage's pericellular matrix and allow a fast diffusion of nutrients. The bioprinted hMSC spheroids improve viability and chondrogenic-like behavior without adversely affecting the macromechanical properties of the tissue. Therefore, the ability to print locally soft and cell stimulating microenvironments inside of a mechanically robust hydrogel is demonstrated, thereby uncoupling the micro- and macromechanical properties of the 3D printed tissues such as cartilage.
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Affiliation(s)
- Bruna A G de Melo
- Division of Engineering in Medicine, Department of Medicine, Harvard Medical School, Brigham and Women's Hospital, Cambridge, MA 02139, USA
| | - Yasamin A Jodat
- Division of Engineering in Medicine, Department of Medicine, Harvard Medical School, Brigham and Women's Hospital, Cambridge, MA 02139, USA
| | - Shreya Mehrotra
- Division of Engineering in Medicine, Department of Medicine, Harvard Medical School, Brigham and Women's Hospital, Cambridge, MA 02139, USA
| | - Michelle A Calabrese
- Department of Chemical Engineering, Massachusetts Institute of Technology, Cambridge, MA 02139, USA
| | - Tom Kamperman
- Department of Developmental BioEngineering, University of Twente, Enschede, Overijssel 7522 NB, The Netherlands
| | - Biman B Mandal
- Department of Biosciences and Bioengineering, Indian Institute of Technology Guwahati, Guwahati 781039, India
| | - Maria H A Santana
- Department of Engineering of Materials and Bioprocesses School of Chemical Engineering, University of Campinas, Campinas, SP 13083-852, Brazil
| | - Eben Alsberg
- Departments of Bioengineering and Orthopaedics, University of Illinois, Chicago, IL 60607, USA
| | - Jeroen Leijten
- Department of Developmental BioEngineering, University of Twente, Enschede, Overijssel 7522 NB, The Netherlands
| | - Su Ryon Shin
- Division of Engineering in Medicine, Department of Medicine, Harvard Medical School, Brigham and Women's Hospital, Cambridge, MA 02139, USA
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Real-time optical redox imaging of cartilage metabolic response to mechanical loading. Osteoarthritis Cartilage 2019; 27:1841-1850. [PMID: 31513919 DOI: 10.1016/j.joca.2019.08.004] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2019] [Revised: 08/27/2019] [Accepted: 08/29/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Metabolic dysregulation has recently been identified as a key feature of osteoarthritis. Mechanical overloading has been postulated as a primary cause of this metabolic response. Current methods of real-time metabolic activity analysis in cartilage are limited and challenging. However, optical redox imaging leverages the autofluorescence of co-enzymes NAD(P)H and FAD to provide dye-free real-time analysis of metabolic activity. This technique has not yet been applied to cartilage. This study aimed to assess the effects of a compressive load on cartilage using optical redox imaging. METHOD Cartilage samples were excised from porcine femoral condyles. To validate this imaging modality in cartilage, glycolysis was inhibited via 2-deoxy-D-glucose (2DG) and oxidative phosphorylation was inhibited by rotenone. Optical redox images were collected pre- and post-inhibition. To assess the effects of mechanical loading, samples were subjected to a compressive load and imaged for approximately 30 min. Load and strain parameters were determined using high-speed camera images in Matlab. A range of loading magnitudes and rates were applied across samples. RESULTS 2DG and rotenone demonstrated the expected inhibitory effects on fluorescence intensity in the channels corresponding to NAD(P)H and FAD, respectively. Mechanical loading induced an increase in NAD(P)H channel fluorescence which subsided by 30 min post-loading. Magnitude of loading parameters had mixed effects on metabolites. CONCLUSIONS Optical redox imaging provides an opportunity to assess real-time metabolic activity in cartilage. This approach revealed a metabolic response to a single load and can be used to provide insight into the role of metabolism in mechanically-mediated cartilage degradation.
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40
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Zuo S, Zou W, Wu RM, Yang J, Fan JN, Zhao XK, Li HY. Icariin Alleviates IL-1β-Induced Matrix Degradation By Activating The Nrf2/ARE Pathway In Human Chondrocytes. DRUG DESIGN DEVELOPMENT AND THERAPY 2019; 13:3949-3961. [PMID: 31819369 PMCID: PMC6876636 DOI: 10.2147/dddt.s203094] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2019] [Accepted: 10/29/2019] [Indexed: 12/20/2022]
Abstract
Objective Osteoarthritis (OA) is characterized by progressive matrix destruction of articular cartilage. This study aimed to investigate the potential antioxidative and chondroprotective effects and underlying mechanism of Icariin (ICA) in interleukin-1 beta (IL-1β)-induced extracellular matrix (ECM) degradation of OA cartilage. Methods Human chondrocyte cell line HC-A was treated with different doses of ICA, and then MTT assay and PI staining were used to estimate ICA-induced chondrocyte apoptosis. Intracellular ROS and superoxide dismutase (SOD) and glutathione peroxidase (GPX) were measured after treatment by IL-1β with or without ICA. The mRNA and protein expression levels of redox transcription factor Nrf2 and the downstream effector SOD-1, SOD-2, NQO-1 and HO-1 were assayed to explore the detailed mechanism by which ICA alleviates ECM degradation. Finally, to expound the role of Nrf2 in ICA-mediated chondroprotection, we specifically depleted Nrf2 in human chondrocytes and then pretreated them with ICA followed by IL-1β. Results ICA had no cytotoxic effects on human chondrocytes and 10−9 M was selected as the optimum concentration. ROS induced by IL-1β could drastically activate matrix-degrading proteases and ICA could significantly rescue the matrix degradation and excess ROS generation caused by IL-1β. We observed that ICA activated the Nrf2/ARE pathway, consequently upregulating the generation of GPX and SOD. Ablation of Nrf2 abrogated the chondroprotective and antioxidative effects of ICA in IL-1β-treated chondrocytes. Conclusion ICA alleviates IL-1β-induced matrix degradation and eliminates ROS by activating the Nrf2/ARE pathway.
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Affiliation(s)
- Shi Zuo
- Department of Hepatobiliary Surgery, The Hospital Affiliated to Guizhou Medical University, Guiyang, Guizhou, People's Republic of China
| | - Wei Zou
- Department of Sports Medicine, The Hospital Affiliated to Guizhou Medical University, Guiyang, Guizhou, People's Republic of China.,Department of Orthopedics, The Fourth People's Hospital of Guiyang, Guizhou, People's Republic of China
| | - Rong-Min Wu
- Department of Ultrasonography, The Maternity Hospital of Guizhou, Guiyang, Guizhou, People's Republic of China
| | - Jing Yang
- Department of Infectious Disease, The Hospital Affiliated to Guizhou Medical University, Guiyang, Guizhou, People's Republic of China
| | - Jian-Nan Fan
- Department of Sports Medicine, The Hospital Affiliated to Guizhou Medical University, Guiyang, Guizhou, People's Republic of China
| | - Xue-Ke Zhao
- Department of Infectious Disease, The Hospital Affiliated to Guizhou Medical University, Guiyang, Guizhou, People's Republic of China
| | - Hai-Yang Li
- Department of Hepatobiliary Surgery, The Hospital Affiliated to Guizhou Medical University, Guiyang, Guizhou, People's Republic of China
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Zhao X, Ruan J, Tang H, Li J, Shi Y, Li M, Li S, Xu C, Lu Q, Dai C. Multi-compositional MRI evaluation of repair cartilage in knee osteoarthritis with treatment of allogeneic human adipose-derived mesenchymal progenitor cells. Stem Cell Res Ther 2019; 10:308. [PMID: 31639063 PMCID: PMC6805685 DOI: 10.1186/s13287-019-1406-7] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2019] [Revised: 08/21/2019] [Accepted: 09/03/2019] [Indexed: 12/22/2022] Open
Abstract
BACKGROUND We used multimodal compositional magnetic resonance imaging (MRI) techniques, combined with clinical outcomes, to differentiate the alternations of composition in repair cartilage with allogeneic human adipose-derived mesenchymal progenitor cells (haMPCs) in knee osteoarthritis (KOA) patients. METHODS Eighteen patients participated a phase I/IIa clinical trial. All patients were divided randomly into three groups with intra-articular injections of haMPCs: the low-dose (1.0 × 107 cells), mid-dose (2.0 × 107), and high-dose (5.0 × 107) groups with six patients each. Compositional MRI examinations and clinical evaluations were performed at different time points. RESULTS Significant differences were observed in quantitative T1rho, T2, T2star, R2star, and ADC measurements in patients of three dose groups, suggesting a possible compositional changes of cartilage with the treatment of allogeneic haMPCs. Also significant reduction in WOMAC and SF-36 scores showed the symptoms might be alleviated to some extent with this new treatment. As regards sensibilities of multi-parametric mappings to detect compositional or structural changes of cartilage, T1rho mapping was most sensitive to differentiate difference between three dose groups. CONCLUSIONS These results showed that multi-compositional MRI sequences might be an effective tool to evaluate the promotion of the repair of cartilage with allogeneic haMPCs by providing information of compositional alterations of cartilage. TRIAL REGISTRATION Clinicaltrials, NCT02641860 . Registered 3 December 2015.
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Affiliation(s)
- Xinxin Zhao
- Department of Radiology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Road, Shanghai, 200127, China
| | - Jingjing Ruan
- Department of Radiology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Road, Shanghai, 200127, China
| | - Hui Tang
- Department of Radiology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Road, Shanghai, 200127, China
| | - Jia Li
- Department of Rheumatology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Road, Shanghai, 200127, China
| | - Yingxuan Shi
- Cellular Biomedicine Group, Inc., No. 85 Faladi Road, Building 3, Zhangjiang, Pudong New Area, Shanghai, 201210, China
| | - Meng Li
- Cellular Biomedicine Group, Inc., No. 85 Faladi Road, Building 3, Zhangjiang, Pudong New Area, Shanghai, 201210, China
| | - Suke Li
- Cellular Biomedicine Group, Inc., No. 85 Faladi Road, Building 3, Zhangjiang, Pudong New Area, Shanghai, 201210, China
| | - Cuili Xu
- Cellular Biomedicine Group, Inc., No. 85 Faladi Road, Building 3, Zhangjiang, Pudong New Area, Shanghai, 201210, China
| | - Qing Lu
- Department of Radiology, Ren Ji Hospital, School of Medicine, Shanghai Jiao Tong University, No. 160, Pujian Road, Shanghai, 200127, China.
| | - Chengxiang Dai
- Cellular Biomedicine Group, Inc., No. 85 Faladi Road, Building 3, Zhangjiang, Pudong New Area, Shanghai, 201210, China.
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Silva CR, Babo PS, Mithieux S, Domingues RM, Reis R, Gomes ME, Weiss A. Tuneable cellulose nanocrystal and tropoelastin-laden hyaluronic acid hydrogels. J Biomater Appl 2019; 34:560-572. [PMID: 31284811 DOI: 10.1177/0885328219859830] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Cristiana R Silva
- 1 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Barco, Guimarães, Portugal.,2 ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal
| | - Pedro S Babo
- 1 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Barco, Guimarães, Portugal.,2 ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal
| | - Suzanne Mithieux
- 3 Charles Perkins Centre, The University of Sydney, Camperdown, New South Wales, Australia.,4 School of Molecular Bioscience, The University of Sydney, Sydney, New South Wales, Australia
| | - Rui Ma Domingues
- 1 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Barco, Guimarães, Portugal.,2 ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal.,5 The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Guimarães, Portugal
| | - Rui Reis
- 1 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Barco, Guimarães, Portugal.,2 ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal.,5 The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Guimarães, Portugal
| | - Manuela E Gomes
- 1 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, Barco, Guimarães, Portugal.,2 ICVS/3B's - PT Government Associate Laboratory, Guimarães, Portugal.,5 The Discoveries Centre for Regenerative and Precision Medicine, Headquarters at University of Minho, Guimarães, Portugal
| | - Anthony Weiss
- 3 Charles Perkins Centre, The University of Sydney, Camperdown, New South Wales, Australia.,4 School of Molecular Bioscience, The University of Sydney, Sydney, New South Wales, Australia.,6 Bosch Institute, The University of Sydney, Sydney, New South Wales, Australia
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Abstract
PURPOSE OF THE REVIEW Osteoarthritis (OA) is a multifactorial and progressive disease affecting whole synovial joint. The extract pathogenic mechanisms and diagnostic biomarkers of OA remain unclear. In this article, we review the studies related to metabolomics of OA, discuss the biomarkers as a tool for early OA diagnosis. Furthermore, we examine the major studies on the application of metabolomics methodology in the complex context of OA and create a bridge from findings in basic science to their clinical utility. RECENT FINDINGS Recently, the tissue metabolomics signature permits a view into transitional phases between the healthy and OA joint. Both nuclear magnetic resonance spectroscopy (NMR) and mass spectrometry-based metabolomics approaches have been used to interrogate the metabolic alterations that may indicate the complex progression of OA. Specifically, studies on alterations pertaining to lipids, glucose, and amino acid metabolism have aided in the understanding of the complex pathogenesis of OA. The discovery of identified metabolites could be important for diagnosis and staging of OA, as well as for the assessment of efficacy of new drugs.
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Blanke F, Vogt S. Regeneration artikulärer Knorpeldefekte am Kniegelenk. ARTHROSKOPIE 2019. [DOI: 10.1007/s00142-019-0277-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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45
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Decellularized biological scaffold and stem cells from autologous human adipose tissue for cartilage tissue engineering. Methods 2019; 171:97-107. [PMID: 31051252 DOI: 10.1016/j.ymeth.2019.04.020] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2019] [Revised: 04/05/2019] [Accepted: 04/27/2019] [Indexed: 02/08/2023] Open
Abstract
Here, the in vitro engineering of a cartilage-like tissue by using decellularized extracellular matrix scaffold (hECM) seeded with human adipose stem cells (hASCs) which can both be isolated from the human waste adipose tissue is described. Cell-free, highly fibrous and porous hECM was produced using a protocol containing physical (homogenization, centrifugation, molding) and chemical (crosslinking) treatments, characterized by SEM, histochemistry, immunohistochemistry and in vitro cell interaction study. A construct of hECM seeded with hASCs was cultured in chondrogenic medium (with TGF-β3 and BMP-6) for 42 days. SEM and histology showed that the biological scaffold was highly porous and had a compact structure suitable for handling and subsequent cell culture stages. Cells successfully integrated into the scaffold and had good cellular viability and continuity to proliferate. Constructs showed the formation of cartilage-like tissue with the synthesis of cartilage-specific proteins, Collagen type II and Aggrecan. Dimethylmethylene blue dye binding assay demonstrated that the GAG content of the constructs was in tendency to increase with time confirming chondrogenic differentiation of hASCs. The results support that human waste adipose tissue is an important source for decellularized hECM as well as stem cells, and adipose hECM scaffold provides a suitable environment for chondrogenic differentiation of hASCs.
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Clearfield DS, Xin X, Yadav S, Rowe DW, Wei M. Osteochondral Differentiation of Fluorescent Multireporter Cells on Zonally-Organized Biomaterials. Tissue Eng Part A 2019; 25:468-486. [DOI: 10.1089/ten.tea.2018.0135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Affiliation(s)
- Drew S. Clearfield
- Department of Materials Science and Engineering, Institute of Materials Science, University of Connecticut, Storrs, Connecticut
- Center for Regenerative Medicine and Skeletal Development and School of Dental Medicine, University of Connecticut Health Center, Farmington, Connecticut
| | - Xiaonan Xin
- Center for Regenerative Medicine and Skeletal Development and School of Dental Medicine, University of Connecticut Health Center, Farmington, Connecticut
| | - Sumit Yadav
- Department of Orthodontics, School of Dental Medicine, University of Connecticut Health Center, Farmington, Connecticut
| | - David W. Rowe
- Center for Regenerative Medicine and Skeletal Development and School of Dental Medicine, University of Connecticut Health Center, Farmington, Connecticut
| | - Mei Wei
- Department of Materials Science and Engineering, Institute of Materials Science, University of Connecticut, Storrs, Connecticut
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Abstract
BACKGROUND Cartilage defects around the knee joint frequently occur in the region of the medial femoral condyle and the retropatellar cartilage surface. The distinction between local cartilage defects and large area degenerative cartilage lesions is very important for both prognosis and surgical therapy. The size and position of the lesion, the underlying pathomechanism and the age of the patient are very important factors which should be considered in the therapy algorithm for optimal cartilage defect restoration. Important cofactors such as stability, long leg axis and muscle balance should be taken into account. AIM Current procedures for cartilage repair of the knee joint and their results are summarized in this article. In addition, the necessity of precise and comprehensive preoperative clinical and radiological diagnostics is displayed to be able to treat co-pathologies in order to enable a successful repair of the cartilage defect. RESULTS AND CONCLUSIONS Preoperative planning of cartilage-repair techniques usually includes x‑ray images and a magnetic resonance imaging (MRI) examination. If MRI is not available, an arthro-computed tomography could be an alternative. Modern and routinely used procedures for cartilage repair at the knee joint are microfracture, autologous matrix-induced chondrogenesis, autologous chondrocyte transplantation, matrix-induced autologous chondrocyte implantation and osteochondral transplantation. Successful surgical cartilage-repair surgeries require a correct and individualized indication, addressing of copathologies and a standardized rehabilitation that is adapted to the surgical procedure. Evidence-based criteria for an exact time point for the return to sports according to individually operative cartilage repair techniques currently do not exist.
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48
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Park IS, Choi WH, Park DY, Park SR, Park SH, Min BH. Effect of joint mimicking loading system on zonal organization into tissue-engineered cartilage. PLoS One 2018; 13:e0202834. [PMID: 30208116 PMCID: PMC6135361 DOI: 10.1371/journal.pone.0202834] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 08/09/2018] [Indexed: 01/15/2023] Open
Abstract
Cartilage tissue engineering typically involves the combination of a biodegradable polymeric support material with chondrocytes. The culture environment in which cell–material constructs are created and stored is an important factor. The aim of the present study was to investigate the effects of combined stimuli on cartilage zonal organization which is important to maintain cartilage functions such as lubrication and cushion. For that purpose, we developed a joint mimicking loading system which was composed of compression and shear stress. To mimic the joint loading condition, we manufactured a stimuli system that has a device similar to the shape of a femoral condyle in human knee. The fibrin/hyaluronic acid mixture with chondrocytes were dropped into support made of silicon, and placed under the device. The cartilage explants were stimulated with the joint mimicking loading system for 1 hour per day over the course of 4 weeks. The amounts of GAG and collagen in the stimulated tissue were more than that of the static cultured tissue. Cells and collagen were arranged horizontally paralleled to the surface by stimuli, while it did not happen in the control group. The results of this study suggests that mechanical load exerting in the joint play a crucial role in stimulation of extracellular matrix (ECM) production as well as its functional rearrangement.
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Affiliation(s)
- In-Su Park
- Cell Therapy Center, Ajou University Medical Center, Suwon, Korea
| | - Woo Hee Choi
- Department of Molecular Science & Technology, Ajou University, Suwon, Korea
| | - Do Young Park
- Cell Therapy Center, Ajou University Medical Center, Suwon, Korea
- Department of Orthopedic Surgery, Ajou University School of Medicine, Suwon, Korea
| | - So Ra Park
- Department of Physiology, Inha University College of Medicine, Incheon, Korea
| | - Sang-Hyug Park
- Department of Biomedical Engineering, Pukyong National University, Busan, Korea
| | - Byoung-Hyun Min
- Cell Therapy Center, Ajou University Medical Center, Suwon, Korea
- Department of Molecular Science & Technology, Ajou University, Suwon, Korea
- Department of Orthopedic Surgery, Ajou University School of Medicine, Suwon, Korea
- * E-mail:
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49
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Maleckar MM, Clark RB, Votta B, Giles WR. The Resting Potential and K + Currents in Primary Human Articular Chondrocytes. Front Physiol 2018; 9:974. [PMID: 30233381 PMCID: PMC6131720 DOI: 10.3389/fphys.2018.00974] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Accepted: 07/03/2018] [Indexed: 11/23/2022] Open
Abstract
Human transplant programs provide significant opportunities for detailed in vitro assessments of physiological properties of selected tissues and cell types. We present a semi-quantitative study of the fundamental electrophysiological/biophysical characteristics of human chondrocytes, focused on K+ transport mechanisms, and their ability to regulate to the resting membrane potential, Em. Patch clamp studies on these enzymatically isolated human chondrocytes reveal consistent expression of at least three functionally distinct K+ currents, as well as transient receptor potential (TRP) currents. The small size of these cells and their exceptionally low current densities present significant technical challenges for electrophysiological recordings. These limitations have been addressed by parallel development of a mathematical model of these K+ and TRP channel ion transfer mechanisms in an attempt to reveal their contributions to Em. In combination, these experimental results and simulations yield new insights into: (i) the ionic basis for Em and its expected range of values; (ii) modulation of Em by the unique articular joint extracellular milieu; (iii) some aspects of TRP channel mediated depolarization-secretion coupling; (iv) some of the essential biophysical principles that regulate K+ channel function in “chondrons.” The chondron denotes the chondrocyte and its immediate extracellular compartment. The presence of discrete localized surface charges and associated zeta potentials at the chondrocyte surface are regulated by cell metabolism and can modulate interactions of chondrocytes with the extracellular matrix. Semi-quantitative analysis of these factors in chondrocyte/chondron function may yield insights into progressive osteoarthritis.
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Affiliation(s)
- Mary M Maleckar
- Simula Research Laboratory, Center for Biomedical Computing and Center for Cardiological Innovation, Oslo, Norway.,Allen Institute for Cell Science, Seattle, WA, United States
| | - Robert B Clark
- Faculty of Kinesiology, University of Calgary, Calgary, AB, Canada
| | | | - Wayne R Giles
- Faculties of Kinesiology and Medicine, University of Calgary, Calgary, AB, Canada
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50
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Composition, structure and tensile biomechanical properties of equine articular cartilage during growth and maturation. Sci Rep 2018; 8:11357. [PMID: 30054498 PMCID: PMC6063957 DOI: 10.1038/s41598-018-29655-5] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Accepted: 07/13/2018] [Indexed: 02/07/2023] Open
Abstract
Articular cartilage undergoes structural and biochemical changes during maturation, but the knowledge on how these changes relate to articular cartilage function at different stages of maturation is lacking. Equine articular cartilage samples of four different maturation levels (newborn, 5-month-old, 11-month-old and adult) were collected (N = 25). Biomechanical tensile testing, Fourier transform infrared microspectroscopy (FTIR-MS) and polarized light microscopy were used to study the tensile, biochemical and structural properties of articular cartilage, respectively. The tensile modulus was highest and the breaking energy lowest in the newborn group. The collagen and the proteoglycan contents increased with age. The collagen orientation developed with age into an arcade-like orientation. The collagen content, proteoglycan content, and collagen orientation were important predictors of the tensile modulus (p < 0.05 in multivariable regression) and correlated significantly also with the breaking energy (p < 0.05 in multivariable regression). Partial least squares regression analysis of FTIR-MS data provided accurate predictions for the tensile modulus (r = 0.79) and the breaking energy (r = 0.65). To conclude, the composition and structure of equine articular cartilage undergoes changes with depth that alter functional properties during maturation, with the typical properties of mature tissue reached at the age of 5-11 months.
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