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Lau CS, Park SY, Ethiraj LP, Singh P, Raj G, Quek J, Prasadh S, Choo Y, Goh BT. Role of Adipose-Derived Mesenchymal Stem Cells in Bone Regeneration. Int J Mol Sci 2024; 25:6805. [PMID: 38928517 PMCID: PMC11204188 DOI: 10.3390/ijms25126805] [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: 06/13/2024] [Accepted: 06/14/2024] [Indexed: 06/28/2024] Open
Abstract
Bone regeneration involves multiple factors such as tissue interactions, an inflammatory response, and vessel formation. In the event of diseases, old age, lifestyle, or trauma, bone regeneration can be impaired which could result in a prolonged healing duration or requiring an external intervention for repair. Currently, bone grafts hold the golden standard for bone regeneration. However, several limitations hinder its clinical applications, e.g., donor site morbidity, an insufficient tissue volume, and uncertain post-operative outcomes. Bone tissue engineering, involving stem cells seeded onto scaffolds, has thus been a promising treatment alternative for bone regeneration. Adipose-derived mesenchymal stem cells (AD-MSCs) are known to hold therapeutic value for the treatment of various clinical conditions and have displayed feasibility and significant effectiveness due to their ease of isolation, non-invasive, abundance in quantity, and osteogenic capacity. Notably, in vitro studies showed AD-MSCs holding a high proliferation capacity, multi-differentiation potential through the release of a variety of factors, and extracellular vesicles, allowing them to repair damaged tissues. In vivo and clinical studies showed AD-MSCs favoring better vascularization and the integration of the scaffolds, while the presence of scaffolds has enhanced the osteogenesis potential of AD-MSCs, thus yielding optimal bone formation outcomes. Effective bone regeneration requires the interplay of both AD-MSCs and scaffolds (material, pore size) to improve the osteogenic and vasculogenic capacity. This review presents the advances and applications of AD-MSCs for bone regeneration and bone tissue engineering, focusing on the in vitro, in vivo, and clinical studies involving AD-MSCs for bone tissue engineering.
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Affiliation(s)
- Chau Sang Lau
- National Dental Centre Singapore, National Dental Research Institute Singapore, Singapore 168938, Singapore; (C.S.L.); (S.Y.P.); (L.P.E.); (G.R.)
- Oral Health Academic Clinical Programme, Duke-NUS Medical School, Singapore 169857, Singapore
| | - So Yeon Park
- National Dental Centre Singapore, National Dental Research Institute Singapore, Singapore 168938, Singapore; (C.S.L.); (S.Y.P.); (L.P.E.); (G.R.)
| | - Lalith Prabha Ethiraj
- National Dental Centre Singapore, National Dental Research Institute Singapore, Singapore 168938, Singapore; (C.S.L.); (S.Y.P.); (L.P.E.); (G.R.)
- Oral Health Academic Clinical Programme, Duke-NUS Medical School, Singapore 169857, Singapore
| | - Priti Singh
- National Dental Centre Singapore, National Dental Research Institute Singapore, Singapore 168938, Singapore; (C.S.L.); (S.Y.P.); (L.P.E.); (G.R.)
| | - Grace Raj
- National Dental Centre Singapore, National Dental Research Institute Singapore, Singapore 168938, Singapore; (C.S.L.); (S.Y.P.); (L.P.E.); (G.R.)
| | - Jolene Quek
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore; (J.Q.); (Y.C.)
| | - Somasundaram Prasadh
- Center for Clean Energy Engineering, University of Connecticut, Storrs, CT 06269, USA;
| | - Yen Choo
- Lee Kong Chian School of Medicine, Nanyang Technological University, Singapore 308232, Singapore; (J.Q.); (Y.C.)
| | - Bee Tin Goh
- National Dental Centre Singapore, National Dental Research Institute Singapore, Singapore 168938, Singapore; (C.S.L.); (S.Y.P.); (L.P.E.); (G.R.)
- Oral Health Academic Clinical Programme, Duke-NUS Medical School, Singapore 169857, Singapore
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Venkatasubramanian D, Senevirathne G, Capellini TD, Craft AM. Leveraging single cell multiomic analyses to identify factors that drive human chondrocyte cell fate. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.06.12.598666. [PMID: 38915712 PMCID: PMC11195167 DOI: 10.1101/2024.06.12.598666] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/26/2024]
Abstract
Cartilage plays a crucial role in skeletal development and function, and abnormal development contributes to genetic and age-related skeletal disease. To better understand how human cartilage develops in vivo , we jointly profiled the transcriptome and open chromatin regions in individual nuclei recovered from distal femurs at 2 fetal timepoints. We used these multiomic data to identify transcription factors expressed in distinct chondrocyte subtypes, link accessible regulatory elements with gene expression, and predict transcription factor-based regulatory networks that are important for growth plate or epiphyseal chondrocyte differentiation. We developed a human pluripotent stem cell platform for interrogating the function of predicted transcription factors during chondrocyte differentiation and used it to test NFATC2 . We expect new regulatory networks we uncovered using multiomic data to be important for promoting cartilage health and treating disease, and our platform to be a useful tool for studying cartilage development in vitro . Statement of Significance The identity and integrity of the articular cartilage lining our joints are crucial to pain-free activities of daily living. Here we identified a gene regulatory landscape of human chondrogenesis at single cell resolution, which is expected to open new avenues of research aimed at mitigating cartilage diseases that affect hundreds of millions of individuals world-wide.
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Gao CW, Lin W, Riddle RC, Chopra S, Kim J, Boukas L, Hansen KD, Björnsson HT, Fahrner JA. Growth deficiency in a mouse model of Kabuki syndrome 2 bears mechanistic similarities to Kabuki syndrome 1. PLoS Genet 2024; 20:e1011310. [PMID: 38857303 PMCID: PMC11192384 DOI: 10.1371/journal.pgen.1011310] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2023] [Revised: 06/21/2024] [Accepted: 05/21/2024] [Indexed: 06/12/2024] Open
Abstract
Growth deficiency is a characteristic feature of both Kabuki syndrome 1 (KS1) and Kabuki syndrome 2 (KS2), Mendelian disorders of the epigenetic machinery with similar phenotypes but distinct genetic etiologies. We previously described skeletal growth deficiency in a mouse model of KS1 and further established that a Kmt2d-/- chondrocyte model of KS1 exhibits precocious differentiation. Here we characterized growth deficiency in a mouse model of KS2, Kdm6atm1d/+. We show that Kdm6atm1d/+ mice have decreased femur and tibia length compared to controls and exhibit abnormalities in cortical and trabecular bone structure. Kdm6atm1d/+ growth plates are also shorter, due to decreases in hypertrophic chondrocyte size and hypertrophic zone height. Given these disturbances in the growth plate, we generated Kdm6a-/- chondrogenic cell lines. Similar to our prior in vitro model of KS1, we found that Kdm6a-/- cells undergo premature, enhanced differentiation towards chondrocytes compared to Kdm6a+/+ controls. RNA-seq showed that Kdm6a-/- cells have a distinct transcriptomic profile that indicates dysregulation of cartilage development. Finally, we performed RNA-seq simultaneously on Kmt2d-/-, Kdm6a-/-, and control lines at Days 7 and 14 of differentiation. This revealed surprising resemblance in gene expression between Kmt2d-/- and Kdm6a-/- at both time points and indicates that the similarity in phenotype between KS1 and KS2 also exists at the transcriptional level.
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Affiliation(s)
- Christine W. Gao
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
- Department of Molecular Biology and Genetics, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - WanYing Lin
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Ryan C. Riddle
- Department of Orthopaedic Surgery, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
- Department of Orthopaedics, University of Maryland School of Medicine, Baltimore, Maryland, United States of America
- Research and Development Service, Baltimore Veterans Administration Medical Center, Baltimore, Maryland, United States of America
| | - Sheetal Chopra
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Jiyoung Kim
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Leandros Boukas
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
- Department of Biostatistics, Johns Hopkins University School of Public Health, Baltimore, Maryland, United States of America
| | - Kasper D. Hansen
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
- Department of Biostatistics, Johns Hopkins University School of Public Health, Baltimore, Maryland, United States of America
- Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
| | - Hans T. Björnsson
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
- Faculty of Medicine, University of Iceland, Reykjavík, Iceland
- Landspítali University Hospital, Reykjavík, Iceland
| | - Jill A. Fahrner
- Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
- Department of Pediatrics, Johns Hopkins University School of Medicine, Baltimore, Maryland, United States of America
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Jia S, Liang R, Chen J, Liao S, Lin J, Li W. Emerging technology has a brilliant future: the CRISPR-Cas system for senescence, inflammation, and cartilage repair in osteoarthritis. Cell Mol Biol Lett 2024; 29:64. [PMID: 38698311 PMCID: PMC11067114 DOI: 10.1186/s11658-024-00581-x] [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: 12/29/2023] [Accepted: 04/19/2024] [Indexed: 05/05/2024] Open
Abstract
Osteoarthritis (OA), known as one of the most common types of aseptic inflammation of the musculoskeletal system, is characterized by chronic pain and whole-joint lesions. With cellular and molecular changes including senescence, inflammatory alterations, and subsequent cartilage defects, OA eventually leads to a series of adverse outcomes such as pain and disability. CRISPR-Cas-related technology has been proposed and explored as a gene therapy, offering potential gene-editing tools that are in the spotlight. Considering the genetic and multigene regulatory mechanisms of OA, we systematically review current studies on CRISPR-Cas technology for improving OA in terms of senescence, inflammation, and cartilage damage and summarize various strategies for delivering CRISPR products, hoping to provide a new perspective for the treatment of OA by taking advantage of CRISPR technology.
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Affiliation(s)
- Shicheng Jia
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, 518036, China
- Shantou University Medical College, Shantou, 515041, China
| | - Rongji Liang
- Shantou University Medical College, Shantou, 515041, China
| | - Jiayou Chen
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, 518036, China
- Shantou University Medical College, Shantou, 515041, China
| | - Shuai Liao
- Department of Bone and Joint, Peking University Shenzhen Hospital, Shenzhen, 518036, China
- Shenzhen University School of Medicine, Shenzhen, 518060, China
| | - Jianjing Lin
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, 518036, China.
| | - Wei Li
- Department of Sports Medicine and Rehabilitation, Peking University Shenzhen Hospital, Shenzhen, 518036, China.
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Peng R, Shang J, Jiang N, Chi-Jen H, Gu Y, Xing B, Hu R, Wu B, Wang D, Xu X, Lu H. Klf10 is involved in extracellular matrix calcification of chondrocytes alleviating chondrocyte senescence. J Transl Med 2024; 22:52. [PMID: 38217021 PMCID: PMC10790269 DOI: 10.1186/s12967-023-04666-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2023] [Accepted: 10/27/2023] [Indexed: 01/14/2024] Open
Abstract
Osteoarthritis (OA) is a chronic degenerative disease resulting joint disability and pain. Accumulating evidences suggest that chondrocyte extracellular matrix calcification plays an important role in the development of OA. Here, we showed that Krüppel-like factor 10 (Klf10) was involved in the regulation of chondrocyte extracellular matrix calcification by regulating the expression of Frizzled9. Knockdown of Klf10 attenuated TBHP induced calcification and reduced calcium content in chondrocytes. Restoring extracellular matrix calcification of chondrocytes could aggravate chondrocyte senescence. Destabilization of a medial meniscus (DMM) mouse model of OA, in vivo experiments revealed that knockdown Klf10 improved the calcification of articular cartilage and ameliorated articular cartilage degeneration. These findings suggested that knockdown Klf10 inhibited extracellular matrix calcification-related changes in chondrocytes and alleviated chondrocyte senescence.
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Affiliation(s)
- Rong Peng
- Department of Orthopedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
| | - Jie Shang
- Department of Orthopedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
| | - Ning Jiang
- Department of Orthopedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
- Department of Orthopedics, The Affiliated Yantai Yuhuangding Hospital of Qingdao University, Yantai, 26400, Shandong, China
| | - Hsu Chi-Jen
- Department of Orthopedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
| | - Yu Gu
- Department of Orthopedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
| | - Baizhou Xing
- Department of Orthopedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
| | - Renan Hu
- Department of Orthopedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
| | - Biao Wu
- Department of Orthopedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, Guangdong, China
| | - Dawei Wang
- Department of Orthopedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China.
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, Guangdong, China.
| | - Xianghe Xu
- Department of Orthopedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China.
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, Guangdong, China.
| | - Huading Lu
- Department of Orthopedics, The Fifth Affiliated Hospital of Sun Yat-sen University, Zhuhai, 519000, Guangdong, China.
- Guangdong Provincial Key Laboratory of Biomedical Imaging, The Fifth Affiliated Hospital, Sun Yat-sen University, Zhuhai, 519000, Guangdong, China.
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6
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Yuan LB, Jin T, Yao L, Yin DH, Xu YQ. The role and mechanism of biological collagen membranes in repairing cartilage injury through the p38MAPK signaling pathway. J Orthop Surg Res 2023; 18:837. [PMID: 37932780 PMCID: PMC10629186 DOI: 10.1186/s13018-023-04261-y] [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: 08/03/2023] [Accepted: 10/03/2023] [Indexed: 11/08/2023] Open
Abstract
OBJECTIVE To explore the mechanism of the p38MAPK signaling pathway in repairing articular cartilage defects with biological collagen membranes. METHODS Thirty-two healthy adult male rabbits were randomly divided into a control group (n = 8), model group (n = 8), treatment group (n = 8) and positive drug group (n = 8). The control group was fed normally, and the models of bilateral knee joint femoral cartilage defects were established in the other three groups. The knee cartilage defects in the model group were not treated, the biological collagen membrane was implanted in the treatment group, and glucosamine hydrochloride was intragastrically administered in the positive drug group. Twelve weeks after the operation, the repair of cartilage defects was evaluated by histological observation (HE staining and Masson staining), the degree of cartilage repair was quantitatively evaluated by the Mankin scoring system, the mRNA expression levels of p38MAPK, MMP1 and MMP13 were detected by real-time fluorescence quantitative PCR (qRT-PCR), and the protein expression levels of p38MAPK, p-p38MAPK, MMP1 and MMP13 were detected by Western blotting. The results after the construction of cartilage defects, histological staining showed that the articular cartilage wound was covered by a large capillary network, the cartilage tissue defect was serious, and a small amount of collagen fibers were formed around the wound, indicating the formation of a small amount of new bone tissue. In the treatment group and the positive drug group, the staining of cartilage matrix was uneven, the cytoplasmic staining was lighter, the chondrocytes became hypertrophic as a whole, the chondrocytes cloned and proliferated, some areas were nest-shaped, the cells were arranged disorderly, the density was uneven, and the nucleus was stained deeply. The Mankin score of the model group was significantly higher than that of the control group, while the Mankin scores of the treatment group and positive drug group were significantly lower than that of the model group. The results of qRT-PCR detection showed that compared with the control group, the expression level of the p38MAPK gene in the model group did not increase significantly, but the gene expression levels of MMP1 and MMP13 in the model group increased significantly, while the gene expression levels of MMP1 and MMP13 decreased significantly in the treatment group and positive drug group compared with the model group. The results of Western blot detection showed that compared with the control group, the expression level of p38MAPK protein in the model group was not significantly increased, but the phosphorylation level of p38MAPK protein and the protein expression levels of MMP1 and MMP13 were significantly increased in the model group, while the phosphorylation level of p38MAPK protein and the protein expression levels of MMP1 and MMP13 in the treatment group and positive drug group were significantly lower than those in the model group. CONCLUSION The biological collagen membrane can regulate the expression of MMP1 and MMP13 and repair the activity of chondrocytes by reducing the phosphorylation level of p38MAPK and inhibiting the activation of the p38MAPK signaling pathway, thus improving the repair effect of articular cartilage defects in rabbits. The P38MAPK signaling pathway is expected to become an important molecular target for the clinical treatment of cartilage defects in the future.
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Affiliation(s)
- Li-Bo Yuan
- Department of Orthopedics, The 920 Hospital of Joint Logistics Support Force of the Chinese People's Liberation Army, Kunming, China
| | - Tao Jin
- Department of Orthopedics, The 920 Hospital of Joint Logistics Support Force of the Chinese People's Liberation Army, Kunming, China
| | - Ling Yao
- Department of Orthopedics, The 920 Hospital of Joint Logistics Support Force of the Chinese People's Liberation Army, Kunming, China
| | - De-Hong Yin
- Department of Orthopedics, The 920 Hospital of Joint Logistics Support Force of the Chinese People's Liberation Army, Kunming, China
| | - Yong-Qing Xu
- Department of Orthopedics, The 920 Hospital of Joint Logistics Support Force of the Chinese People's Liberation Army, Kunming, China.
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7
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Kurz B, Lange T, Voelker M, Hart ML, Rolauffs B. Articular Cartilage-From Basic Science Structural Imaging to Non-Invasive Clinical Quantitative Molecular Functional Information for AI Classification and Prediction. Int J Mol Sci 2023; 24:14974. [PMID: 37834422 PMCID: PMC10573252 DOI: 10.3390/ijms241914974] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 09/25/2023] [Accepted: 09/27/2023] [Indexed: 10/15/2023] Open
Abstract
This review presents the changes that the imaging of articular cartilage has undergone throughout the last decades. It highlights that the expectation is no longer to image the structure and associated functions of articular cartilage but, instead, to devise methods for generating non-invasive, function-depicting images with quantitative information that is useful for detecting the early, pre-clinical stage of diseases such as primary or post-traumatic osteoarthritis (OA/PTOA). In this context, this review summarizes (a) the structure and function of articular cartilage as a molecular imaging target, (b) quantitative MRI for non-invasive assessment of articular cartilage composition, microstructure, and function with the current state of medical diagnostic imaging, (c), non-destructive imaging methods, (c) non-destructive quantitative articular cartilage live-imaging methods, (d) artificial intelligence (AI) classification of degeneration and prediction of OA progression, and (e) our contribution to this field, which is an AI-supported, non-destructive quantitative optical biopsy for early disease detection that operates on a digital tissue architectural fingerprint. Collectively, this review shows that articular cartilage imaging has undergone profound changes in the purpose and expectations for which cartilage imaging is used; the image is becoming an AI-usable biomarker with non-invasive quantitative functional information. This may aid in the development of translational diagnostic applications and preventive or early therapeutic interventions that are yet beyond our reach.
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Affiliation(s)
- Bodo Kurz
- Department of Anatomy, Christian-Albrechts-University, Otto-Hahn-Platz 8, 24118 Kiel, Germany
| | - Thomas Lange
- Medical Physics Department of Radiology, Faculty of Medicine, Medical Center—Albert-Ludwigs-University of Freiburg, 79085 Freiburg im Breisgau, Germany;
| | - Marita Voelker
- G.E.R.N. Research Center for Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, Faculty of Medicine, Medical Center—Albert-Ludwigs-University of Freiburg, 79085 Freiburg im Breisgau, Germany; (M.V.); (M.L.H.)
| | - Melanie L. Hart
- G.E.R.N. Research Center for Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, Faculty of Medicine, Medical Center—Albert-Ludwigs-University of Freiburg, 79085 Freiburg im Breisgau, Germany; (M.V.); (M.L.H.)
| | - Bernd Rolauffs
- G.E.R.N. Research Center for Tissue Replacement, Regeneration & Neogenesis, Department of Orthopedics and Trauma Surgery, Faculty of Medicine, Medical Center—Albert-Ludwigs-University of Freiburg, 79085 Freiburg im Breisgau, Germany; (M.V.); (M.L.H.)
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8
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Riegger J, Schoppa A, Ruths L, Haffner-Luntzer M, Ignatius A. Oxidative stress as a key modulator of cell fate decision in osteoarthritis and osteoporosis: a narrative review. Cell Mol Biol Lett 2023; 28:76. [PMID: 37777764 PMCID: PMC10541721 DOI: 10.1186/s11658-023-00489-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Accepted: 09/11/2023] [Indexed: 10/02/2023] Open
Abstract
During aging and after traumatic injuries, cartilage and bone cells are exposed to various pathophysiologic mediators, including reactive oxygen species (ROS), damage-associated molecular patterns, and proinflammatory cytokines. This detrimental environment triggers cellular stress and subsequent dysfunction, which not only contributes to the development of associated diseases, that is, osteoporosis and osteoarthritis, but also impairs regenerative processes. To counter ROS-mediated stress and reduce the overall tissue damage, cells possess diverse defense mechanisms. However, cellular antioxidative capacities are limited and thus ROS accumulation can lead to aberrant cell fate decisions, which have adverse effects on cartilage and bone homeostasis. In this narrative review, we address oxidative stress as a major driver of pathophysiologic processes in cartilage and bone, including senescence, misdirected differentiation, cell death, mitochondrial dysfunction, and impaired mitophagy by illustrating the consequences on tissue homeostasis and regeneration. Moreover, we elaborate cellular defense mechanisms, with a particular focus on oxidative stress response and mitophagy, and briefly discuss respective therapeutic strategies to improve cell and tissue protection.
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Affiliation(s)
- Jana Riegger
- Division for Biochemistry of Joint and Connective Tissue Diseases, Department of Orthopedics, Ulm University Medical Center, 89081, Ulm, Germany.
| | - Astrid Schoppa
- Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, 89081, Ulm, Germany
| | - Leonie Ruths
- Division for Biochemistry of Joint and Connective Tissue Diseases, Department of Orthopedics, Ulm University Medical Center, 89081, Ulm, Germany
| | - Melanie Haffner-Luntzer
- Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, 89081, Ulm, Germany
| | - Anita Ignatius
- Institute of Orthopedic Research and Biomechanics, Ulm University Medical Center, 89081, Ulm, Germany
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9
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Zielinska D, Yosef HK, Zollitsch T, Kern J, Jakob Y, Gvaramia D, Rotter N, Pontiggia L, Moehrlen U, Biedermann T, Klar AS. Characterization of Distinct Chondrogenic Cell Populations of Patients Suffering from Microtia Using Single-Cell Micro-Raman Spectroscopy. Biomedicines 2023; 11:2588. [PMID: 37761029 PMCID: PMC10526501 DOI: 10.3390/biomedicines11092588] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Revised: 08/29/2023] [Accepted: 09/04/2023] [Indexed: 09/29/2023] Open
Abstract
Microtia is a congenital condition of abnormal development of the outer ear. Tissue engineering of the ear is an alternative treatment option for microtia patients. However, for this approach, the identification of high regenerative cartilage progenitor cells is of vital importance. Raman analysis provides a novel, non-invasive, label-free diagnostic tool to detect distinctive biochemical features of single cells or tissues. Using micro-Raman spectroscopy, we were able to distinguish and characterize the particular molecular fingerprints of differentiated chondrocytes and perichondrocytes and their respective progenitors isolated from healthy individuals and microtia patients. We found that microtia chondrocytes exhibited lower lipid concentrations in comparison to healthy cells, thus indicating the importance of fat storage. Moreover, we suggest that collagen is a useful biomarker for distinguishing between populations obtained from the cartilage and perichondrium because of the higher spectral contributions of collagen in the chondrocytes compared to perichondrocytes from healthy individuals and microtia patients. Our results represent a contribution to the identification of cell markers that may allow the selection of specific cell populations for cartilage tissue engineering. Moreover, the observed differences between microtia and healthy cells are essential for gaining better knowledge of the cause of microtia. It can be useful for designing novel treatment options based on further investigations of the discovered biochemical substrate alterations.
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Affiliation(s)
- Dominika Zielinska
- Tissue Biology Research Unit, University Children’s Hospital Zurich, 8952 Schlieren, Switzerland
- Children’s Research Center, University Children’s Hospital Zurich, 8032 Zurich, Switzerland
- Faculty of Medicine, University of Zurich, 8032 Zurich, Switzerland
| | - Hesham K. Yosef
- Faculty of Medicine, University of Zurich, 8032 Zurich, Switzerland
- microphotonXGmbH, 82327 Tutzing, Germany
| | | | - Johann Kern
- Department of Otorhinolaryngology, Head and Neck Surgery, Medical Faculty Mannheim, University of Heidelberg, 68167 Mannheim, Germany
| | - Yvonne Jakob
- Department of Otorhinolaryngology, Head and Neck Surgery, Medical Faculty Mannheim, University of Heidelberg, 68167 Mannheim, Germany
| | - David Gvaramia
- Department of Otorhinolaryngology, Head and Neck Surgery, Medical Faculty Mannheim, University of Heidelberg, 68167 Mannheim, Germany
| | - Nicole Rotter
- Department of Otorhinolaryngology, Head and Neck Surgery, Medical Faculty Mannheim, University of Heidelberg, 68167 Mannheim, Germany
| | - Luca Pontiggia
- Tissue Biology Research Unit, University Children’s Hospital Zurich, 8952 Schlieren, Switzerland
- Children’s Research Center, University Children’s Hospital Zurich, 8032 Zurich, Switzerland
- Faculty of Medicine, University of Zurich, 8032 Zurich, Switzerland
| | - Ueli Moehrlen
- Tissue Biology Research Unit, University Children’s Hospital Zurich, 8952 Schlieren, Switzerland
- Children’s Research Center, University Children’s Hospital Zurich, 8032 Zurich, Switzerland
- Faculty of Medicine, University of Zurich, 8032 Zurich, Switzerland
- Department of Surgery, University Children’s Hospital Zurich, 8032 Zurich, Switzerland
| | - Thomas Biedermann
- Tissue Biology Research Unit, University Children’s Hospital Zurich, 8952 Schlieren, Switzerland
- Children’s Research Center, University Children’s Hospital Zurich, 8032 Zurich, Switzerland
- Faculty of Medicine, University of Zurich, 8032 Zurich, Switzerland
| | - Agnes S. Klar
- Tissue Biology Research Unit, University Children’s Hospital Zurich, 8952 Schlieren, Switzerland
- Children’s Research Center, University Children’s Hospital Zurich, 8032 Zurich, Switzerland
- Faculty of Medicine, University of Zurich, 8032 Zurich, Switzerland
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10
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Sun K, Guo J, Guo Z, Hou L, Liu H, Hou Y, He J, Guo F, Ye Y. The roles of the Hippo-YAP signalling pathway in Cartilage and Osteoarthritis. Ageing Res Rev 2023; 90:102015. [PMID: 37454824 DOI: 10.1016/j.arr.2023.102015] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 07/10/2023] [Accepted: 07/12/2023] [Indexed: 07/18/2023]
Abstract
Osteoarthritis (OA) is an age-related disease, characterized by cartilage degeneration. The pathogenesis of OA is complicated and the current therapeutic approaches for OA are limited. Cartilage, an integral part of the skeletal system composed of chondrocytes, is essential for skeletal development, tissue patterning, and maintaining the normal activity of joints. The development, homeostasis and degeneration of cartilage are tightly associated with OA. Over the past decade, accumulating evidence indicates that Hippo/YAP is a vital biochemical signalling pathway that strictly governs tissue development and homeostasis. The joint tissues, especially for cartilage, are sensitive to changes of Hippo/YAP signalling. In this review, we summarize the role of Hippo/YAP signalling in cartilage and discuss its involvement in OA progression from points of cartilage degradation, subchondral bone remodeling, and synovial alteration. We also highlight the potential therapeutic implications of Hippo/YAP signalling and further discuss current limitations and controversy on Hippo/YAP-based application for OA treatment.
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Affiliation(s)
- Kai Sun
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Jiachao Guo
- Department of Pediatric Surgery, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Zhou Guo
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Liangcai Hou
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Haigang Liu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Yanjun Hou
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Junchen He
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China
| | - Fengjing Guo
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
| | - Yaping Ye
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei 430030, China.
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11
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Freitas J, Moura SR, Barbosa MA, Santos SG, Almeida MI. Long non-coding RNA CASC2 regulates osteoblasts matrix mineralization. Front Bioeng Biotechnol 2023; 11:1155596. [PMID: 37469450 PMCID: PMC10353537 DOI: 10.3389/fbioe.2023.1155596] [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: 01/31/2023] [Accepted: 05/22/2023] [Indexed: 07/21/2023] Open
Abstract
Long non-coding RNAs (lncRNAs) are master regulators of gene expression and have recently emerged as potential innovative therapeutic targets. The deregulation of lncRNA expression patterns has been associated with age-related and noncommunicable diseases in the bone tissue, including osteoporosis and tumors. However, the specific role of lncRNAs in physiological or pathological conditions in the bone tissue still needs to be further clarified, for their exploitation as therapeutic tools. In the present study, we evaluate the potential of the lncRNA CASC2 as a regulator of osteogenic differentiation and mineralization. Results show that CASC2 expression is decreased during osteogenic differentiation of human bone marrow-derived Mesenchymal Stem/Stromal cells (hMSCs). CASC2 knockdown, using small interfering RNA against CASC2 (siCASC2), increases the expression of the late osteogenic marker Bone Sialoprotein (BSP), but does not impact ALP staining level nor the expression of early osteogenic transcripts, including RUNX2 and OPG. Although siCASC2 does not impact hMSC proliferation nor apoptosis, it promotes the mineralization of hMSC cultured under osteogenic-inducing conditions, as shown by the increase of calcium deposits. Mass spectrometry-based proteomic analysis revealed that 89 proteins are regulated by CASC2 at late osteogenic stages, including proteins associated with bone diseases or anthropometric and musculoskeletal traits. Specifically, the Cartilage Oligomeric Matrix Protein (COMP) is highly enhanced by CASC2 knockdown at late stages of osteogenic differentiation, at both transcriptional and protein level. On the other hand, inhibition of COMP impairs osteoblasts mineralization as well as the expression of BSP. The results indicate that lncRNA CASC2 regulates late osteogenic differentiation and mineralization in hMSC via COMP and BSP. In conclusion, this study suggests that targeting lncRNA CASC2 could be a potential approach for modulating bone mineralization.
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Affiliation(s)
- Jaime Freitas
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB—Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
| | - Sara Reis Moura
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB—Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal
| | - Mário Adolfo Barbosa
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB—Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
| | - Susana G. Santos
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB—Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
| | - Maria Inês Almeida
- i3S—Instituto de Investigação e Inovação em Saúde, Universidade do Porto, Porto, Portugal
- INEB—Instituto de Engenharia Biomédica, Universidade do Porto, Porto, Portugal
- ICBAS—Instituto de Ciências Biomédicas Abel Salazar, Universidade do Porto, Porto, Portugal
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12
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Packard M, Gilbert MC, Tetrault E, Albertson RC. Zebrafish crocc2 mutants exhibit divergent craniofacial shape, misregulated variability, and aberrant cartilage morphogenesis. Dev Dyn 2023; 252:1026-1045. [PMID: 37032317 PMCID: PMC10524572 DOI: 10.1002/dvdy.591] [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: 11/07/2022] [Revised: 03/21/2023] [Accepted: 03/29/2023] [Indexed: 04/11/2023] Open
Abstract
BACKGROUND Phenotypic variation is of paramount importance in development, evolution, and human health; however, the molecular mechanisms that influence organ shape and shape variability are not well understood. During craniofacial development, the behavior of skeletal precursors is regulated by both biochemical and environmental inputs, and the primary cilia play critical roles in transducing both types of signals. Here, we examine a gene that encodes a key constituent of the ciliary rootlets, crocc2, and its role in cartilage morphogenesis in larval zebrafish. RESULTS Geometric morphometric analysis of crocc2 mutants revealed altered craniofacial shapes and expanded variation. At the cellular level, we observed altered chondrocyte shapes and planar cell polarity across multiple stages in crocc2 mutants. Notably, cellular defects were specific to areas that experience direct mechanical input. Cartilage cell number, apoptosis, and bone patterning were not affected in crocc2 mutants. CONCLUSIONS Whereas "regulatory" genes are widely implicated in patterning the craniofacial skeleton, genes that encode "structural" aspects of the cell are increasingly implicated in shaping the face. Our results add crocc2 to this list, and demonstrate that it affects craniofacial geometry and canalizes phenotypic variation. We propose that it does so via mechanosensing, possibly through the ciliary rootlet. If true, this would implicate a new organelle in skeletal development and evolution.
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Affiliation(s)
- Mary Packard
- Department of Biology, University of Massachusetts, Amherst, MA 01003, U.S.A
| | - Michelle C. Gilbert
- Organismic and Evolutionary Biology Graduate Program, University of Massachusetts, Amherst, MA 01003, U.S.A
- Current address, Department of Biology, Penn State University, University Park, PA 16802, U.S.A
| | - Emily Tetrault
- Molecular and Cellular Biology Graduate Program, University of Massachusetts, Amherst, MA 01003, U.S.A
| | - R. Craig Albertson
- Department of Biology, University of Massachusetts, Amherst, MA 01003, U.S.A
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13
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Shigley C, Trivedi J, Meghani O, Owens BD, Jayasuriya CT. Suppressing Chondrocyte Hypertrophy to Build Better Cartilage. Bioengineering (Basel) 2023; 10:741. [PMID: 37370672 DOI: 10.3390/bioengineering10060741] [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: 05/17/2023] [Revised: 06/13/2023] [Accepted: 06/15/2023] [Indexed: 06/29/2023] Open
Abstract
Current clinical strategies for restoring cartilage defects do not adequately consider taking the necessary steps to prevent the formation of hypertrophic tissue at injury sites. Chondrocyte hypertrophy inevitably causes both macroscopic and microscopic level changes in cartilage, resulting in adverse long-term outcomes following attempted restoration. Repairing/restoring articular cartilage while minimizing the risk of hypertrophic neo tissue formation represents an unmet clinical challenge. Previous investigations have extensively identified and characterized the biological mechanisms that regulate cartilage hypertrophy with preclinical studies now beginning to leverage this knowledge to help build better cartilage. In this comprehensive article, we will provide a summary of these biological mechanisms and systematically review the most cutting-edge strategies for circumventing this pathological hallmark of osteoarthritis.
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Affiliation(s)
- Christian Shigley
- The Warren Alpert Medical School, Brown University, Providence, RI 02903, USA
| | - Jay Trivedi
- Department of Orthopaedics, Alpert Medical School of Brown University, Rhode Island Hospital, Providence, RI 02903, USA
| | - Ozair Meghani
- Department of Orthopaedics, Alpert Medical School of Brown University, Rhode Island Hospital, Providence, RI 02903, USA
| | - Brett D Owens
- Department of Orthopaedics, Alpert Medical School of Brown University, Rhode Island Hospital, Providence, RI 02903, USA
- Division of Sports Surgery, Department of Orthopaedic Surgery, Alpert Medical School of Brown University, Rhode Island Hospital, Providence, RI 02903, USA
| | - Chathuraka T Jayasuriya
- Department of Orthopaedics, Alpert Medical School of Brown University, Rhode Island Hospital, Providence, RI 02903, USA
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14
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Zhao S, Liu Y, Wang J, Wen Y, Wu B, Yang D, Wang G, Xiu G, Ling B, Du D, Xu J. ADSCs increase the autophagy of chondrocytes through decreasing miR-7-5p in Osteoarthritis rats by targeting ATG4A. Int Immunopharmacol 2023; 120:110390. [PMID: 37262955 DOI: 10.1016/j.intimp.2023.110390] [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: 10/07/2022] [Revised: 05/15/2023] [Accepted: 05/22/2023] [Indexed: 06/03/2023]
Abstract
BACKGROUND Osteoarthritis (OA) is a highly degenerative joint disease, mainly companying with progressive destruction of articular cartilage. Adipose-derived stromal cells (ADSCs) therapy enhances articular cartilage repair, extracellular matrix (ECM) synthesis and attenuates joints inflammation, but specific mechanisms of therapeutic benefit remain poorly understood. This study aimed to clarify the therapeutic effects and mechanisms of ADSCs on cartilage damage in the keen joint of OA rat model. METHODS Destabilization of the medial meniscus (DMM) and anterior cruciate ligament transection (ACLT) surgery-induced OA rats were treated with allogeneic ADSCs by intra-articular injections for 6 weeks. The protective effect of ADSCs in vivo was measured using Safranin O and fast green staining, immunofluorescence and western blot analysis. Meanwhile, the miRNA-7-5p (miR-7-5p) expression was assessed by quantitative reverse transcription-polymerase chain reaction (qRT-PCR). The mechanism of increased autophagy with ADSCs addition through decreasing miR-7-5p was revealed using oligonucleotides, and adenovirus in rat chondrocytes. The luciferase reporter assay revealed the molecular role of miR-7-5p and autophagy related 4A (ATG4A). The substrate of mTORC1 pathway: (p-)p70S6 and (p-)S6 in OA models with ADSCs addition were detected by western blotting. RESULTS The ADSCs treatment repaired the articular cartilage and maintained chondrocytes ECM homeostasis through modulating chondrocytes autophagy in the OA model, indicators of the change of autophagic proteins expression and autophagic flux. Meanwhile, the increased autophagy induced by ADSCs treatment was closely related to the decreased expression of host-derived miR-7-5p, a negative modulator of OA progression. Functional genomics (overexpression of genes) in vitro studies demonstrate the inhibition of host-derived miR-7-5p in mediating the benefit of ADSCs administration in OA model. Then ATG4A was defined as a target gene of miR-7-5p, and the negative relation between miR-7-5p and ATG4A was investigated in the OA model treated with ADSCs. Furthermore, miR-7-5p mediated chondrocyte autophagy by targeting ATG4A in the OA model treated with ADSCs was confirmed with the rescue trial of ATG4A/miR-7-5p overexpression on rat chondrocyte. Finally, the mTORC1 signaling pathways mediated by host-derived miR-7-5p with ADSCs treatment were decreased in OA rats. CONCLUSIONS ADSCs promote the chondrocytes autophagy by decreasing miR-7-5p in articular cartilage by targeting ATG4A and a potential role for ADSCs based therapeutics for preventing of articular cartilage destruction and extracellular matrix (ECM) degradation in OA.
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Affiliation(s)
- Shu Zhao
- East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yu'e Liu
- East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jian Wang
- East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yi Wen
- East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Baitong Wu
- East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Danjing Yang
- East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Guangming Wang
- East Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Guanghui Xiu
- Department of Intensive Care Unit, Affiliated Hospital of Yunnan University (The Second People's Hospital of Yunnan Province),Yunnan University, Kunming, China
| | - Bin Ling
- Department of Intensive Care Unit, Affiliated Hospital of Yunnan University (The Second People's Hospital of Yunnan Province),Yunnan University, Kunming, China
| | - Dajiang Du
- Department of Orthopedic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China.
| | - Jun Xu
- East Hospital, School of Medicine, Tongji University, Shanghai, China.
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15
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Yao Q, Wu X, Tao C, Gong W, Chen M, Qu M, Zhong Y, He T, Chen S, Xiao G. Osteoarthritis: pathogenic signaling pathways and therapeutic targets. Signal Transduct Target Ther 2023; 8:56. [PMID: 36737426 PMCID: PMC9898571 DOI: 10.1038/s41392-023-01330-w] [Citation(s) in RCA: 197] [Impact Index Per Article: 197.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 01/06/2023] [Accepted: 01/17/2023] [Indexed: 02/05/2023] Open
Abstract
Osteoarthritis (OA) is a chronic degenerative joint disorder that leads to disability and affects more than 500 million population worldwide. OA was believed to be caused by the wearing and tearing of articular cartilage, but it is now more commonly referred to as a chronic whole-joint disorder that is initiated with biochemical and cellular alterations in the synovial joint tissues, which leads to the histological and structural changes of the joint and ends up with the whole tissue dysfunction. Currently, there is no cure for OA, partly due to a lack of comprehensive understanding of the pathological mechanism of the initiation and progression of the disease. Therefore, a better understanding of pathological signaling pathways and key molecules involved in OA pathogenesis is crucial for therapeutic target design and drug development. In this review, we first summarize the epidemiology of OA, including its prevalence, incidence and burdens, and OA risk factors. We then focus on the roles and regulation of the pathological signaling pathways, such as Wnt/β-catenin, NF-κB, focal adhesion, HIFs, TGFβ/ΒΜP and FGF signaling pathways, and key regulators AMPK, mTOR, and RUNX2 in the onset and development of OA. In addition, the roles of factors associated with OA, including MMPs, ADAMTS/ADAMs, and PRG4, are discussed in detail. Finally, we provide updates on the current clinical therapies and clinical trials of biological treatments and drugs for OA. Research advances in basic knowledge of articular cartilage biology and OA pathogenesis will have a significant impact and translational value in developing OA therapeutic strategies.
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Affiliation(s)
- Qing Yao
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen, 518055, China.
| | - Xiaohao Wu
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Chu Tao
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Weiyuan Gong
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Mingjue Chen
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Minghao Qu
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Yiming Zhong
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Tailin He
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen, 518055, China
| | - Sheng Chen
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Guozhi Xiao
- Department of Biochemistry, School of Medicine, Shenzhen Key Laboratory of Cell Microenvironment, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research, Southern University of Science and Technology, Shenzhen, 518055, China.
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16
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Xu W, Zhu J, Hu J, Xiao L. Engineering the biomechanical microenvironment of chondrocytes towards articular cartilage tissue engineering. Life Sci 2022; 309:121043. [DOI: 10.1016/j.lfs.2022.121043] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2022] [Revised: 09/24/2022] [Accepted: 10/02/2022] [Indexed: 11/28/2022]
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17
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Abstract
Morphogenesis is extremely diverse, but its systematic quantification to determine the physical mechanisms that produce different phenotypes is possible by quantifying the underlying cell behaviours. These are limited and definable: they consist of cell proliferation, orientation of cell division, cell rearrangement, directional matrix production, cell addition/subtraction and cell size/shape change. Although minor variations in these categories are possible, in sum they capture all possible morphogenetic behaviours. This article summarises these processes, discusses their measurement, and highlights some salient examples.
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Affiliation(s)
- Jeremy B. A. Green
- Centre for Craniofacial Regeneration and Biology, King's College London, Guy's Campus, London SE1 9RT, UK
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18
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Parisi L, Rihs S, La Scala GC, Schnyder I, Katsaros C, Degen M. Discovery and characterization of heterogeneous and multipotent fibroblast populations isolated from excised cleft lip tissue. Stem Cell Res Ther 2022; 13:469. [PMID: 36076255 PMCID: PMC9461253 DOI: 10.1186/s13287-022-03154-x] [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: 06/23/2022] [Accepted: 08/22/2022] [Indexed: 11/21/2022] Open
Abstract
Background Regularly discarded lip tissue obtained from corrective surgeries to close the cleft lip represents an easily accessible and rich source for the isolation of primary fibroblasts. Primary fibroblasts have been described to show compelling similarities to mesenchymal stem cells (MSCs). Hence, cleft lip and palate (CLP) lip-derived fibroblasts could be thought as an intriguing cell source for personalized regenerative therapies in CLP-affected patients. Methods Initially, we thoroughly characterized the fibroblastic nature of the lip-derived mesenchymal outgrowths by molecular and functional assays. Next, we compared their phenotype and genotype to that of bone marrow-mesenchymal stem cells (BM-MSCs) and of human lung-derived fibroblasts WI38, by assessing their morphology, surface marker expression, trilineage differentiation potential, colony-forming (CFU) capacity, and immunomodulation property. Finally, to better decipher the heterogeneity of our CLP cultures, we performed a single cell clonal analysis and tested expanded clones for surface marker expression, as well as osteogenic and CFU potential. Results We identified intriguingly similar phenotypic and genotypic properties between CLP lip fibroblasts and BM-MSCs, which makes them distinct from WI38. Furthermore, our own data in combination with the complex anatomy of the lip tissue indicated heterogeneity in our CLP cultures. Using a clonal analysis, we discovered single cell-derived clones with increased levels of the MSC markers CD106 and CD146 and clones with variabilities in their commitment to differentiate into bone-forming cells and in their potential to form single cell-derived colonies. However, we were not able to gain clones possessing superior MSC-like capacities when compared to the heterogeneous parental CLP population. Additionally, all clones could still generate contractile forces and retained robust levels of the fibroblast specific marker FSP1, which was not detectable in BM-MSCs. Conclusions Our results suggest that we isolate heterogeneous populations of fibroblasts from discarded CLP lip tissue, which show a prominently multipotent character in their entirety avoiding the need for elaborate subpopulation selections in vitro. These findings suggest that CLP lip fibroblasts might be a novel potential cell source for personalized regenerative medicine of clinical benefit for CLP patients. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-022-03154-x.
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Affiliation(s)
- Ludovica Parisi
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
| | - Silvia Rihs
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
| | - Giorgio C La Scala
- Division of Pediatric Surgery, Department of Pediatrics, University Hospital of Geneva, Geneva, Switzerland
| | - Isabelle Schnyder
- University Clinic for Pediatric Surgery, Bern University Hospital, Bern, Switzerland
| | - Christos Katsaros
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland
| | - Martin Degen
- Laboratory for Oral Molecular Biology, Department of Orthodontics and Dentofacial Orthopedics, University of Bern, Bern, Switzerland.
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19
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Long Z, Nakagawa K, Wang Z, Amadio PC, Zhao C, Gingery A. Age-related cellular and microstructural changes in the rotator cuff enthesis. J Orthop Res 2022; 40:1883-1895. [PMID: 34783060 PMCID: PMC9107523 DOI: 10.1002/jor.25211] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/05/2021] [Revised: 10/21/2021] [Accepted: 10/30/2021] [Indexed: 02/04/2023]
Abstract
Rotator cuff injuries increase with age. The enthesis is the most frequent site of rotator cuff injury and degeneration. Understanding age-related changes of the enthesis are essential to determine the mechanism of rotator cuff injuries, degeneration, and to guide mechanistically driven therapies. In this study, we explored age-related cellular changes of the rotator cuff enthesis in young, mature, and aged rats. Here we found that the aged enthesis is typified by an increased mineralized zone and decreased nonmineralized zone. Proliferation, migration, and colony-forming potential of rotator cuff derived cells (RCECs) was attenuated with aging. The tenogenic and chondrogenic potential were significantly reduced, while the osteogenic potential increased in aged RCECs. The adipogenic potential increased in RCECs with age. This study explores the cellular differences found between young, mature, and aged rotator cuff enthesis cells and highlights the importance of using age-appropriate models, as well as provides a basis for further delineation of mechanisms and potential therapeutics for rotator cuff injuries.
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Affiliation(s)
- Zeling Long
- Tendon and Soft Tissue Biomechanics Laboratory, Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN,Department of Orthopedics, The Second People’s Hospital of Shenzhen, Shenzhen, Guangdong, China
| | - Koichi Nakagawa
- Tendon and Soft Tissue Biomechanics Laboratory, Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN
| | - Zhanwen Wang
- Tendon and Soft Tissue Biomechanics Laboratory, Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN,Department of Orthopedics, The Second Xiangya Hospital of Central South University, Changsha, Hunan, China
| | - Peter C. Amadio
- Tendon and Soft Tissue Biomechanics Laboratory, Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN
| | - Chunfeng Zhao
- Tendon and Soft Tissue Biomechanics Laboratory, Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN
| | - Anne Gingery
- Tendon and Soft Tissue Biomechanics Laboratory, Department of Orthopedic Surgery, Mayo Clinic, Rochester, MN,Department of Orthopaedic Surgery, Indiana University Medical School, Indianapolis, IN
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20
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Abubakar AA, Ali AK, Ibrahim SM, Handool KO, Khan MS, Mustapha NM, Ibrahim TAT, Kaka U, Yusof LM. Roles of Sodium Hydrogen Exchanger (NHE1) and Anion Exchanger (AE2) across Chondrocytes Plasma Membrane during Longitudinal Bone Growth. MEMBRANES 2022; 12:membranes12070707. [PMID: 35877910 PMCID: PMC9321928 DOI: 10.3390/membranes12070707] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/21/2022] [Revised: 06/27/2022] [Accepted: 06/30/2022] [Indexed: 12/10/2022]
Abstract
Mammalian long bone growth occurs through endochondral ossification, majorly regulated by the controlled enlargement of chondrocytes at the growth plate (GP). This study aimed to investigate the roles of Na+/H+ (sodium hydrogen exchanger (NHE1)) and HCO3− (anion exchanger [AE2]) during longitudinal bone growth in mammals. Bones from P10 SpragueDawley rat pups were cultured exvivo in the presence or absence of NHE1 and AE2 inhibitors to determine their effect on long bone growth. Gross morphometry, histomorphometry, and immunohistochemistry were used to assess the bone growth. The results revealed that the culture of the bones in the presence of NHE1 and AE2 inhibitors reduces bone growth significantly (p < 0.05) by approximately 11%. The inhibitor significantly (p < 0.05) reduces bone growth velocity and the length of the hypertrophic chondrocyte zone without any effect on the total GP length. The total GP chondrocyte density was significantly (p < 0.05) reduced, but hypertrophic chondrocyte densities remained constant. NHE1 fluorescence signaling across the GP length was higher than AE2, and their localization was significantly (p < 0.05) inhibited at the hypertrophic chondrocytes zone. The GP lengthening was majorly driven by an increase in the overall GP chondrocyte and hypertrophic chondrocyte densities apart from the regulatory volume phenomenon. This may suggest that NHE1 and AE2 could have a regulatory role in long bone growth.
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Affiliation(s)
- Adamu Abdul Abubakar
- Department of Companion Animal Medicine and Surgery, Universiti Putra Malaysia, Serdang 43400, Malaysia; (A.A.A.); (A.K.A.); (S.M.I.); (K.O.H.); (M.S.K.); (U.K.)
- Department of Veterinary Surgery and Radiology, Usmanu Danfodiyo University, Sokoto PMB 2346, Nigeria
| | - Ahmed Khalaf Ali
- Department of Companion Animal Medicine and Surgery, Universiti Putra Malaysia, Serdang 43400, Malaysia; (A.A.A.); (A.K.A.); (S.M.I.); (K.O.H.); (M.S.K.); (U.K.)
- Department of Surgery and Theriogenology, College of Veterinary Medicine, University of Mosul, Mosul 00964, Iraq
| | - Sahar Mohammed Ibrahim
- Department of Companion Animal Medicine and Surgery, Universiti Putra Malaysia, Serdang 43400, Malaysia; (A.A.A.); (A.K.A.); (S.M.I.); (K.O.H.); (M.S.K.); (U.K.)
- Department of Surgery and Theriogenology, College of Veterinary Medicine, University of Mosul, Mosul 00964, Iraq
| | - Kareem Obayes Handool
- Department of Companion Animal Medicine and Surgery, Universiti Putra Malaysia, Serdang 43400, Malaysia; (A.A.A.); (A.K.A.); (S.M.I.); (K.O.H.); (M.S.K.); (U.K.)
| | - Mohammad Shuaib Khan
- Department of Companion Animal Medicine and Surgery, Universiti Putra Malaysia, Serdang 43400, Malaysia; (A.A.A.); (A.K.A.); (S.M.I.); (K.O.H.); (M.S.K.); (U.K.)
- Faculty of Veterinary and Animal Science, Gomal University, Dera Ismail Khan 29050, Pakistan
| | - Noordin Mohamed Mustapha
- Department of Veterinary Pathology and Microbiology, Universiti Putra Malaysia, Serdang 43400, Malaysia;
| | | | - Ubedullah Kaka
- Department of Companion Animal Medicine and Surgery, Universiti Putra Malaysia, Serdang 43400, Malaysia; (A.A.A.); (A.K.A.); (S.M.I.); (K.O.H.); (M.S.K.); (U.K.)
| | - Loqman Mohamad Yusof
- Department of Companion Animal Medicine and Surgery, Universiti Putra Malaysia, Serdang 43400, Malaysia; (A.A.A.); (A.K.A.); (S.M.I.); (K.O.H.); (M.S.K.); (U.K.)
- Correspondence: ; Tel.: +60-192-590-571; Fax: +60-386-093-959
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21
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Wu X, Lai Y, Chen S, Zhou C, Tao C, Fu X, Li J, Tong W, Tian H, Shao Z, Liu C, Chen D, Bai X, Cao H, Xiao G. Kindlin-2 preserves integrity of the articular cartilage to protect against osteoarthritis. NATURE AGING 2022; 2:332-347. [PMID: 37117739 DOI: 10.1038/s43587-021-00165-w] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/14/2021] [Accepted: 12/21/2021] [Indexed: 04/30/2023]
Abstract
Osteoarthritis (OA) is an aging-related degenerative joint disease with a poorly defined mechanism. Here we report that kindlin-2 is highly expressed in articular chondrocytes and downregulated in the degenerated cartilage of aged mice and patients with OA. Kindlin-2 deletion in articular chondrocytes leads to spontaneous OA and exacerbates instability-induced OA lesions in adult mice. Kindlin-2 deficiency promotes mitochondrial oxidative stress and activates Stat3, leading to Runx2-mediated chondrocyte catabolism. Pharmacological inhibition of Stat3 activation or genetic ablation of Stat3 in chondrocytes reverses aberrant accumulation of Runx2 and extracellular-matrix-degrading enzymes and limits OA deteriorations caused by kindlin-2 deficiency. Deleting Runx2 in chondrocytes reverses structural changes and OA lesions caused by kindlin-2 deletion without downregulating p-Stat3. Intra-articular injection of AAV5-kindlin-2 decelerates progression of aging- and instability-induced knee joint OA in mice. Collectively, we identify a pathway consisting of kindlin-2, Stat3 and Runx2 in articular chondrocytes that is responsible for maintaining articular cartilage integrity and define a potential therapeutic target for OA.
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Affiliation(s)
- Xiaohao Wu
- Department of Biochemistry, School of Medicine, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, China
| | - Yumei Lai
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Sheng Chen
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chunlei Zhou
- Department of Medical Laboratory, Tianjin First Center Hospital, Tianjin Medical University, Tianjin, China
| | - Chu Tao
- Department of Biochemistry, School of Medicine, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, China
| | - Xuekun Fu
- Department of Biochemistry, School of Medicine, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, China
| | - Jun Li
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Wei Tong
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Hongtao Tian
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Zengwu Shao
- Department of Orthopedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Chuanju Liu
- Department of Orthopedic Surgery, New York University School of Medicine, New York, NY, USA
- Department of Cell Biology, New York University School of Medicine, New York, NY, USA
| | - Di Chen
- Research Center for Human Tissues and Organs Degeneration, Shenzhen Institutes of Advanced Technology, Chinese Academy of Sciences, Shenzhen, China
| | - Xiaochun Bai
- Guangdong Provincial Key Laboratory of Bone and Joint Degeneration Diseases, Department of Cell Biology, School of Basic Medical Sciences, Southern Medical University, Guangzhou, China.
| | - Huiling Cao
- Department of Biochemistry, School of Medicine, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, China.
| | - Guozhi Xiao
- Department of Biochemistry, School of Medicine, Southern University of Science and Technology, Guangdong Provincial Key Laboratory of Cell Microenvironment and Disease Research Shenzhen Key Laboratory of Cell Microenvironment, Shenzhen, China.
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22
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Ayariga JA, Huang H, Dean D. Decellularized Avian Cartilage, a Promising Alternative for Human Cartilage Tissue Regeneration. MATERIALS 2022; 15:ma15051974. [PMID: 35269204 PMCID: PMC8911734 DOI: 10.3390/ma15051974] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 02/17/2022] [Accepted: 03/02/2022] [Indexed: 02/05/2023]
Abstract
Articular cartilage defects, and subsequent degeneration, are prevalent and account for the poor quality of life of most elderly persons; they are also one of the main predisposing factors to osteoarthritis. Articular cartilage is an avascular tissue and, thus, has limited capacity for healing and self-repair. Damage to the articular cartilage by trauma or pathological causes is irreversible. Many approaches to repair cartilage have been attempted with some potential; however, there is no consensus on any ideal therapy. Tissue engineering holds promise as an approach to regenerate damaged cartilage. Since cell adhesion is a critical step in tissue engineering, providing a 3D microenvironment that recapitulates the cartilage tissue is vital to inducing cartilage regeneration. Decellularized materials have emerged as promising scaffolds for tissue engineering, since this procedure produces scaffolds from native tissues that possess structural and chemical natures that are mimetic of the extracellular matrix (ECM) of the native tissue. In this work, we present, for the first time, a study of decellularized scaffolds, produced from avian articular cartilage (extracted from Gallus Gallus domesticus), reseeded with human chondrocytes, and we demonstrate for the first time that human chondrocytes survived, proliferated and interacted with the scaffolds. Morphological studies of the decellularized scaffolds revealed an interconnected, porous architecture, ideal for cell growth. Mechanical characterization showed that the decellularized scaffolds registered stiffness comparable to the native cartilage tissues. Cell growth inhibition and immunocytochemical analyses showed that the decellularized scaffolds are suitable for cartilage regeneration.
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23
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Liao HJ, Chang CH, Huang CYF, Chen HT. Potential of Using Infrapatellar–Fat–Pad–Derived Mesenchymal Stem Cells for Therapy in Degenerative Arthritis: Chondrogenesis, Exosomes, and Transcription Regulation. Biomolecules 2022; 12:biom12030386. [PMID: 35327578 PMCID: PMC8945217 DOI: 10.3390/biom12030386] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2022] [Revised: 02/23/2022] [Accepted: 02/25/2022] [Indexed: 02/04/2023] Open
Abstract
Infrapatellar fat pad–derived mesenchymal stem cells (IPFP-MSCs) are a type of adipose-derived stem cell (ADSC). They potentially contribute to cartilage regeneration and modulation of the immune microenvironment in patients with osteoarthritis (OA). The ability of IPFP-MSCs to increase chondrogenic capacity has been reported to be greater, less age dependent, and less affected by inflammatory changes than that of other MSCs. Transcription-regulatory factors strictly regulate the cartilage differentiation of MSCs. However, few studies have explored the effect of transcriptional factors on IPFP-MSC-based neocartilage formation, cartilage engineering, and tissue functionality during and after chondrogenesis. Instead of intact MSCs, MSC-derived extracellular vesicles could be used for the treatment of OA. Furthermore, exosomes are increasingly being considered the principal therapeutic agent in MSC secretions that is responsible for the regenerative and immunomodulatory functions of MSCs in cartilage repair. The present study provides an overview of advancements in enhancement strategies for IPFP-MSC chondrogenic differentiation, including the effects of transcriptional factors, the modulation of released exosomes, delivery mechanisms for MSCs, and ethical and regulatory points concerning the development of MSC products. This review will contribute to the understanding of the IPFP-MSC chondrogenic differentiation process and enable the improvement of IPFP-MSC-based cartilage tissue engineering.
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Affiliation(s)
- Hsiu-Jung Liao
- Department of Orthopedic Surgery, Far Eastern Memorial Hospital, New Taipei City 220216, Taiwan;
| | - Chih-Hung Chang
- Department of Orthopedic Surgery, Far Eastern Memorial Hospital, New Taipei City 220216, Taiwan;
- Graduate School of Biotechnology and Bioengineering, Yuan Ze University, Taoyuan City 320315, Taiwan
- Correspondence: (C.-H.C.); (H.-T.C.)
| | - Chi-Ying F. Huang
- Department of Biotechnology and Laboratory Science in Medicine, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan;
- Institute of Biopharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
| | - Hui-Ting Chen
- Department of Pharmacy, School of Pharmaceutical Sciences, National Yang Ming Chiao Tung University, Taipei 112304, Taiwan
- Department of Fragrance and Cosmetic Science, Kaohsiung Medical University, Kaohsiung 807378, Taiwan
- School of Pharmacy, College of Pharmacy, Kaohsiung Medical University, Kaohsiung 807378, Taiwan
- Correspondence: (C.-H.C.); (H.-T.C.)
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24
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Chen L, Chen Y, Xu Y, Shen SG, Dai J. Effect of Swell1 on regulating chondrocyte hypertrophy during the condylar osteochondral development process in mice. Biochem Biophys Res Commun 2022; 590:42-48. [PMID: 34968783 DOI: 10.1016/j.bbrc.2021.12.086] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2021] [Revised: 12/21/2021] [Accepted: 12/22/2021] [Indexed: 11/02/2022]
Abstract
Chondrocyte hypertrophy is a significant factor in cartilage development, yet the molecular mechanism for cell volume expand during the process is remains unclear. In the present study, the relationship between Swell1, a cell volume regulated anion channel, and chondrocyte hypertrophy was explored. The results reveal that the spatiotemporal expression of Swell1 was similar with the development process of hypertrophic chondrocytes in condyles. Through Col10a1 mediated knock out of Swell1 in hypertrophy chondrocytes, we found that there are less obvious boundary between different condylar cartilage layers in which increased hypertrophic chondrocytes were scattered in all three cartilage layers. The cortical bone mass and bone mineral density in the subchondral bone significantly increased. Additionally, knock out of Swell1 could increase the expression of OCN in the femur condyle. Based on the aforementioned findings, a conclusion could be drawn that Swell1 is a significant factor in chondrocyte hypertrophy during the condylar osteochondral development process, and there was some difference between the mandibular and femur condyles, which will provide some new clues for understanding the development of cartilage and related diseases.
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Affiliation(s)
- Long Chen
- Department of Oral and Cranio-maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Yu Chen
- Department of Oral and Cranio-maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Yanting Xu
- Department of Oral and Cranio-maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China
| | - Steve Gf Shen
- Department of Oral and Cranio-maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China; Shanghai University of Medicine & Health Sciences, Shanghai, China.
| | - Jiewen Dai
- Department of Oral and Cranio-maxillofacial Surgery, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, College of Stomatology, Shanghai Jiao Tong University, National Center for Stomatology, National Clinical Research Center for Oral Diseases, Shanghai Key Laboratory of Stomatology, Shanghai, 200011, China.
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25
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Wang X, Guan Y, Xiang S, Clark KL, Alexander PG, Simonian LE, Deng Y, Lin H. Role of Canonical Wnt/β-Catenin Pathway in Regulating Chondrocytic Hypertrophy in Mesenchymal Stem Cell-Based Cartilage Tissue Engineering. Front Cell Dev Biol 2022; 10:812081. [PMID: 35141220 PMCID: PMC8820467 DOI: 10.3389/fcell.2022.812081] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2021] [Accepted: 01/06/2022] [Indexed: 01/14/2023] Open
Abstract
In the past 3 decades, the cartilage repair potential of mesenchymal stromal cells, or mesenchymal stem cells (MSCs), has been widely examined in animal studies. Unfortunately, the phenotype and physical properties of MSC-derived cartilage tissue are not comparable to native hyaline cartilage. In particular, chondrocytic hypertrophy, a phenotype that is not observed in healthy hyaline cartilage, is concomitant with MSC chondrogenesis. Given that hypertrophic chondrocytes potentially undergo apoptosis or convert into osteoblasts, this undesired phenotype needs to be prevented or minimized before MSCs can be used to repair cartilage injuries in the clinic. In this review, we first provide an overview of chondrocytic hypertrophy and briefly summarize current methods for suppressing hypertrophy in MSC-derived cartilage. We then highlight recent progress on modulating the canonical Wnt/β-catenin pathway for inhibiting hypertrophy. Specially, we discuss the potential crosstalk between Wnt/β-catenin with other pathways in regulating hypertrophy. Lastly, we explore future perspectives to further understand the role of Wnt/β-catenin in chondrocytic hypertrophy.
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Affiliation(s)
- Xueqi Wang
- Department of Nephrology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Yiming Guan
- Department of Nephrology, Beijing Friendship Hospital, Capital Medical University, Beijing, China
| | - Shiyu Xiang
- Department of Radiology, Fudan University Shanghai Cancer Center, Shanghai, China
| | - Karen L. Clark
- Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - Peter G. Alexander
- Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
- McGowan Institute for Regenerative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - Lauren E. Simonian
- Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
| | - Yuhao Deng
- Department of Orthopedic Surgery, Shanghai Sixth People’s Hospital, Shanghai Jiaotong University, Shanghai, China
- *Correspondence: Hang Lin, ; Yuhao Deng,
| | - Hang Lin
- Department of Orthopaedic Surgery, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
- McGowan Institute for Regenerative Medicine, University of Pittsburgh School of Medicine, Pittsburgh, PA, United States
- *Correspondence: Hang Lin, ; Yuhao Deng,
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26
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The essential anti-angiogenic strategies in cartilage engineering and osteoarthritic cartilage repair. Cell Mol Life Sci 2022; 79:71. [PMID: 35029764 PMCID: PMC9805356 DOI: 10.1007/s00018-021-04105-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Revised: 12/01/2021] [Accepted: 12/18/2021] [Indexed: 01/16/2023]
Abstract
In the cartilage matrix, complex interactions occur between angiogenic and anti-angiogenic components, growth factors, and environmental stressors to maintain a proper cartilage phenotype that allows for effective load bearing and force distribution. However, as seen in both degenerative disease and tissue engineering, cartilage can lose its vascular resistance. This vascularization then leads to matrix breakdown, chondrocyte apoptosis, and ossification. Research has shown that articular cartilage inflammation leads to compromised joint function and decreased clinical potential for regeneration. Unfortunately, few articles comprehensively summarize what we have learned from previous investigations. In this review, we summarize our current understanding of the factors that stabilize chondrocytes to prevent terminal differentiation and applications of these factors to rescue the cartilage phenotype during cartilage engineering and osteoarthritis treatment. Inhibiting vascularization will allow for enhanced phenotypic stability so that we are able to develop more stable implants for cartilage repair and regeneration.
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27
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Xu H, Dong R, Zeng Q, Fang L, Ge Q, Xia C, Zhang P, Lv S, Zou Z, Wang P, Li J, Ruan H, Hu S, Wu C, Jin H, Tong P. Col9a2 gene deletion accelerates the degeneration of intervertebral discs. Exp Ther Med 2022; 23:207. [PMID: 35126710 PMCID: PMC8796617 DOI: 10.3892/etm.2022.11130] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2021] [Accepted: 12/22/2021] [Indexed: 11/06/2022] Open
Affiliation(s)
- Huihui Xu
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Rui Dong
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Qinghe Zeng
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Liang Fang
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Qinwen Ge
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Chenjie Xia
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Peng Zhang
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Shuaijie Lv
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Zhen Zou
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Pinger Wang
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Ju Li
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Hongfeng Ruan
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Songfeng Hu
- Department of Orthopaedics and Traumatology, Shaoxing Hospital of Traditional Chinese Medicine, Shaoxing, Zhejiang 312000, P.R. China
| | - Chengliang Wu
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Hongting Jin
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
| | - Peijian Tong
- The First College of Clinical Medicine, Zhejiang Chinese Medical University, Hangzhou, Zhejiang 310053, P.R. China
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28
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Almubarak A, Berry FB. Assessment of Growth Plate Chondrocytes Proliferative Activity in Embryonic Endochondral Ossification via Ki-67 Immunofluorescence. Methods Mol Biol 2022; 2579:227-233. [PMID: 36045210 DOI: 10.1007/978-1-0716-2736-5_17] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Cell proliferation is one of the key events that regulates organism development. In the limb, chondrocytes differentiate into a multi-layered cellular template called the growth plate. Chondrocyte proliferation is essential to provide the necessary cells that allow growth of a bone. Deregulated cell proliferation will lead to truncated bone elements. Immunofluorescence is a biological technique that uses specific antibodies to detect the subcellular localization of a proliferative marker within cellular or tissue context. In this chapter, we illustrate how to perform immunofluorescence to detect the localization of Ki-67 (a marker of actively growing/proliferating chondrocytes) in order to assess the growth fraction of the columnar chondrocytes in the growth plate in paraffin-embedded mouse tissue limb.
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Affiliation(s)
- Asra Almubarak
- Department of Medical Genetics, University of Alberta, Edmonton, AB, Canada
| | - Fred B Berry
- Department of Medical Genetics, University of Alberta, Edmonton, AB, Canada.
- Department of Surgery, University of Alberta, Edmonton, AB, Canada.
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29
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Sun K, Guo Z, Hou L, Xu J, Du T, Xu T, Guo F. Iron homeostasis in arthropathies: From pathogenesis to therapeutic potential. Ageing Res Rev 2021; 72:101481. [PMID: 34606985 DOI: 10.1016/j.arr.2021.101481] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 08/25/2021] [Accepted: 09/29/2021] [Indexed: 02/08/2023]
Abstract
Iron is an essential element for proper functioning of cells within mammalian organ systems; in particular, iron homeostasis is critical for joint health. Excess iron can induce oxidative stress damage, associated with the pathogenesis of iron-storage and ageing-related diseases. Therefore, iron levels in body tissues and cells must be tightly regulated. In the past decades, excess iron content within joints has been found in some patients with joint diseases including hemophilic arthropathy, hemochromatosis arthropathy, and osteoarthritis (OA). Currently, increased evidence has shown that iron accumulation is closely associated with multiple pathological changes of these arthropathies. This review summarizes system-level and intracellular regulation of iron homeostasis, and emphasizes the role of iron in synovial alterations, cartilage degeneration, and subchondral bone of several arthropathies. Of note, we discuss the potential link between iron homeostasis and OA pathogenesis. Finally, we discuss the therapeutic potential of maintaining iron homeostasis in these arthropathies.
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30
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Wilson K, Usami Y, Hogarth D, Scheiber AL, Tian H, Oichi T, Wei Y, Qin L, Otsuru S, Toyosawa S, Iwamoto M, Abzug JM, Enomoto-Iwamoto M. Analysis of Association between Morphometric Parameters of Growth Plate and Bone Growth of Tibia in Mice and Humans. Cartilage 2021; 13:315S-325S. [PMID: 31997656 PMCID: PMC8804827 DOI: 10.1177/1947603519900800] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
OBJECTIVE The purposes of this study are to evaluate which growth plate parameters are associated with bone growth in mice and to compare the mouse results with those in humans. DESIGN The sagittal sections of the proximal growth plate of the mouse tibia from neonate to young adult stages were subjected to histomorphometric and functional analyses. The radiographic images of tibias of human patients until puberty were analyzed to obtain the tibia length and the proximal growth plate height. It was found that a linear correlation best modeled the relationship between the growth plate variables with the tibia growth rate and length. RESULTS In mice, total height, resting zone height, combined height of the proliferation and prehypertrophic zones, proliferation activity, and the total width of tibia growth plate showed high linear correlation with tibia bone length and bone growth rate, but the hypertrophic zone height and the growth plate area did not. In both mice and humans, the total growth plate width of tibia was found to have the strongest correlation with tibia length and growth rate. CONCLUSIONS The results validated that growth plate total height, the height of the resting zone and cell proliferation activity are appropriate parameters to evaluate the balance between growth plate activity and bone growth in mice, consistent with previous reports. The study also provided a new growth plate parameter candidate, growth plate width for growth plate activity evaluation in both mouse and human tibia bone.
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Affiliation(s)
- Kimberly Wilson
- Department of Orthopaedics, School of
Medicine, University of Maryland, Baltimore, MD, USA
| | - Yu Usami
- Department of Oral Pathology, Osaka
University Graduate School of Dentistry, Suita, Osaka, Japan
| | - Danielle Hogarth
- Department of Orthopaedics, School of
Medicine, University of Maryland, Baltimore, MD, USA
| | - Amanda L. Scheiber
- Department of Orthopaedics, School of
Medicine, University of Maryland, Baltimore, MD, USA
| | - Hongying Tian
- Department of Orthopaedics, School of
Medicine, University of Maryland, Baltimore, MD, USA
| | - Takeshi Oichi
- Department of Orthopaedics, School of
Medicine, University of Maryland, Baltimore, MD, USA
| | - Yulong Wei
- Mckay Orthopaedic Research Laboratory,
Department of Orthopaedic Surgery, Perelman School of Medicine, University of
Pennsylvania, Philadelphia, PA, USA
| | - Ling Qin
- Mckay Orthopaedic Research Laboratory,
Department of Orthopaedic Surgery, Perelman School of Medicine, University of
Pennsylvania, Philadelphia, PA, USA
| | - Satoru Otsuru
- Department of Orthopaedics, School of
Medicine, University of Maryland, Baltimore, MD, USA
| | - Satoru Toyosawa
- Department of Oral Pathology, Osaka
University Graduate School of Dentistry, Suita, Osaka, Japan
| | - Masahiro Iwamoto
- Department of Orthopaedics, School of
Medicine, University of Maryland, Baltimore, MD, USA
| | - Joshua M. Abzug
- Department of Orthopaedics, School of
Medicine, University of Maryland, Baltimore, MD, USA
| | - Motomi Enomoto-Iwamoto
- Department of Orthopaedics, School of
Medicine, University of Maryland, Baltimore, MD, USA,Motomi Enomoto-Iwamoto, Department of
Orthopaedics, School of Medicine, University of Maryland, Baltimore, 20 Penn
Street, HSFII S022, Baltimore, MD, 21209, USA.
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31
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Lees-Shepard JB, Flint K, Fisher M, Omi M, Richard K, Antony M, Chen PJ, Yadav S, Threadgill D, Maihle NJ, Dealy CN. Cross-talk between EGFR and BMP signals regulates chondrocyte maturation during endochondral ossification. Dev Dyn 2021; 251:75-94. [PMID: 34773433 DOI: 10.1002/dvdy.438] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Revised: 09/27/2021] [Accepted: 10/15/2021] [Indexed: 12/30/2022] Open
Abstract
BACKGROUND Progressive maturation of growth plate chondrocytes drives long bone growth during endochondral ossification. Signals from the epidermal growth factor receptor (EGFR), and from bone morphogenetic protein-2 (BMP2), are required for normal chondrocyte maturation. Here, we investigated cross-talk between EGFR and BMP2 signals in developing and adult growth plates. RESULTS Using in vivo mouse models of conditional cartilage-targeted EGFR or BMP2 loss, we show that canonical BMP signal activation is increased in the hypertrophic chondrocytes of EGFR-deficient growth plates; whereas EGFR signal activation is increased in the reserve, prehypertrophic and hypertrophic chondrocytes of BMP2-deficient growth plates. EGFR-deficient chondrocytes displayed increased BMP signal activation in vitro, accompanied by increased expression of IHH, COL10A1, and RUNX2. Hypertrophic differentiation and BMP signal activation were suppressed in normal chondrocyte cultures treated with the EGFR ligand betacellulin, effects that were partially blocked by simultaneous treatment with BMP2 or a chemical EGFR antagonist. CONCLUSIONS Cross-talk between EGFR and BMP2 signals occurs during chondrocyte maturation. In the reserve and prehypertrophic zones, BMP2 signals unilaterally suppress EGFR activity; in the hypertrophic zone, EGFR and BMP2 signals repress each other. This cross-talk may play a role in regulating chondrocyte maturation in developing and adult growth plates.
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Affiliation(s)
- John B Lees-Shepard
- Center for Regenerative Medicine and Skeletal Development, Department of Reconstructive Sciences, University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Kaitlyn Flint
- Department of Orthodontics, University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Melanie Fisher
- Department of Orthodontics, University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Minoru Omi
- Center for Regenerative Medicine and Skeletal Development, Department of Reconstructive Sciences, University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Kelsey Richard
- Center for Regenerative Medicine and Skeletal Development, Department of Reconstructive Sciences, University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Michelle Antony
- Department of Orthodontics, University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Po Jung Chen
- Department of Orthodontics, University of Connecticut Health Center, Farmington, Connecticut, USA
| | - Sumit Yadav
- Department of Orthodontics, University of Connecticut Health Center, Farmington, Connecticut, USA
| | - David Threadgill
- Department of Veterinary Pathology, Texas A&M University, College Station, Texas, USA.,Department of Molecular and Cellular Medicine, Texas A&M University, College Station, Texas, USA
| | - Nita J Maihle
- Department of Medicine, University of Mississippi Medical Center, Jackson, Mississippi, USA.,Department of Cell & Molecular Biology, University of Mississippi Medical Center, Jackson, Mississippi, USA
| | - Caroline N Dealy
- Department of Orthodontics, University of Connecticut Health Center, Farmington, Connecticut, USA.,Department of Orthopaedic Surgery, University of Connecticut Health Center, Farmington, CT, USA.,Department of Biomedical Engineering, University of Connecticut Health Center, Farmington, CT, USA.,Department of Cell Biology, University of Connecticut Health Center, Farmington, CT, USA
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SPRY4 acts as an indicator of osteoarthritis severity and regulates chondrocyte hypertrophy and ECM protease expression. NPJ Regen Med 2021; 6:56. [PMID: 34535669 PMCID: PMC8448831 DOI: 10.1038/s41536-021-00165-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Accepted: 08/11/2021] [Indexed: 11/09/2022] Open
Abstract
Osteoarthritis (OA) causes serious changes in the metabolic and signaling pathways of chondrocytes, including the mitogen-activated protein kinase (MAPK) pathway. However, the role of sprouty RTK signaling antagonist 4 (SPRY4), an inhibitor of MAPK, in the human cartilage tissues and chondrocytes remains to be understood. Here, using SPRY4 gene delivery into healthy and degenerated chondrocytes, we elucidated the role of SPRY4 in preventing chondrocyte hypertrophy. In addition to using the human cartilage tissues with the destabilization of the medial meniscus (DMM) model in Sprague-Dawley (SD) rats, the role of SPRY4 in cartilage tissues and chondrocytes was explored through their molecular and histological analyses. In order to determine the effects of SPRY4 on healthy human chondrocyte hypertrophy, small interfering RNA (siRNA) was used to knock down SPRY4. Lentiviral transduction of SPRY4 into degenerated human chondrocytes allowed us to investigate its ability to prevent hypertrophy. SPRY4 expression levels were higher in healthy human cartilage tissue and chondrocytes than in degenerated human cartilage tissues and hypertrophy-induced chondrocytes. The knockdown of SPRY4 in healthy chondrocytes caused an increase in hypertrophy, senescence, reactive oxygen species (ROS) production, and extracellular matrix (ECM) protease expression. However, all these factors decreased upon overexpression of SPRY4 in degenerated chondrocytes via regulation of the MAPK signaling pathway. We conclude that SPRY4 is a crucial indicator of osteoarthritis (OA) severity and could play an important role in preventing OA in the cartilage by inhibiting chondrocyte hypertrophy.
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Schoonraad SA, Fischenich KM, Eckstein KN, Crespo-Cuevas V, Savard LM, Muralidharan A, Tomaschke AA, Uzcategui AC, Randolph MA, McLeod RR, Ferguson VL, Bryant SJ. Biomimetic and mechanically supportive 3D printed scaffolds for cartilage and osteochondral tissue engineering using photopolymers and digital light processing. Biofabrication 2021; 13. [PMID: 34479218 DOI: 10.1088/1758-5090/ac23ab] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Accepted: 09/03/2021] [Indexed: 02/08/2023]
Abstract
Successful 3D scaffold designs for musculoskeletal tissue engineering necessitate full consideration of the form and function of the tissues of interest. When designing structures for engineering cartilage and osteochondral tissues, one must reconcile the need to develop a mechanically robust system that maintains the health of cells embedded in the scaffold. In this work, we present an approach that decouples the mechanical and biochemical needs and allows for the independent development of the structural and cellular niches in a scaffold. Using the highly tuned capabilities of digital light processing-based stereolithography, structures with complex architectures are achieved over a range of effective porosities and moduli. The 3D printed structure is infilled with mesenchymal stem cells and soft biomimetic hydrogels, which are specifically formulated with extracellular matrix analogs and tethered growth factors to provide selected biochemical cues for the guided differentiation towards chondrogenesis and osteogenesis. We demonstrate the ability to utilize these structures to (a) infill a focal chondral defect and mitigate macroscopic and cellular level changes in the cartilage surrounding the defect, and (b) support the development of a stratified multi-tissue scaffold for osteochondral tissue engineering.
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Affiliation(s)
- Sarah A Schoonraad
- Materials Science and Engineering Program, University of Colorado at Boulder, Boulder, CO 80309, United States of America
| | - Kristine M Fischenich
- Department of Mechanical Engineering, University of Colorado at Boulder, Boulder, CO 80309, United States of America
| | - Kevin N Eckstein
- Department of Mechanical Engineering, University of Colorado at Boulder, Boulder, CO 80309, United States of America
| | - Victor Crespo-Cuevas
- Department of Mechanical Engineering, University of Colorado at Boulder, Boulder, CO 80309, United States of America
| | - Lea M Savard
- Department of Mechanical Engineering, University of Colorado at Boulder, Boulder, CO 80309, United States of America
| | - Archish Muralidharan
- Materials Science and Engineering Program, University of Colorado at Boulder, Boulder, CO 80309, United States of America
| | - Andrew A Tomaschke
- Department of Mechanical Engineering, University of Colorado at Boulder, Boulder, CO 80309, United States of America
| | - Asais Camila Uzcategui
- Materials Science and Engineering Program, University of Colorado at Boulder, Boulder, CO 80309, United States of America
| | - Mark A Randolph
- Department of Orthopaedic Surgery, Laboratory for Musculoskeletal Tissue Engineering, Massachusetts General Hospital, Harvard Medical School, Boston, MA 02114, United States of America
| | - Robert R McLeod
- Materials Science and Engineering Program, University of Colorado at Boulder, Boulder, CO 80309, United States of America.,Department of Electrical, Computer and Energy Engineering, University of Colorado at Boulder, Boulder, CO 80309, United States of America
| | - Virginia L Ferguson
- Materials Science and Engineering Program, University of Colorado at Boulder, Boulder, CO 80309, United States of America.,Department of Mechanical Engineering, University of Colorado at Boulder, Boulder, CO 80309, United States of America.,BioFrontiers Institute, University of Colorado at Boulder, Boulder, CO 80309, United States of America
| | - Stephanie J Bryant
- Materials Science and Engineering Program, University of Colorado at Boulder, Boulder, CO 80309, United States of America.,BioFrontiers Institute, University of Colorado at Boulder, Boulder, CO 80309, United States of America.,Department of Chemical and Biological Engineering, University of Colorado at Boulder, Boulder, CO 80309, United States of America
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Wang X, He T, He L, Yang B, Liu Z, Pang M, Xie P, Zhang L, Rong L. Melatonin contributes to the hypertrophic differentiation of mesenchymal stem cell-derived chondrocytes via activation of the Wnt/β-catenin signaling pathway : Melatonin promotes MSC-derived chondrocytes hypertrophy. Stem Cell Res Ther 2021; 12:467. [PMID: 34419165 PMCID: PMC8379782 DOI: 10.1186/s13287-021-02536-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Accepted: 08/05/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Hypertrophy is a critical process for chondrocyte differentiation and maturation during endochondral ossification, which is responsible for the formation of long bone and postnatal longitudinal growth. Increasing evidence suggests that melatonin, an indole hormone, plays a pivotal role in chondrogenesis. However, little is known about the effects of melatonin on the terminal differentiation of chondrocytes. METHODS Mesenchymal stem cell (MSC)-derived chondrocytes generated by a high-density micromass culture system were induced to undergo hypertrophic differentiation. Melatonin-mediated hypertrophic differentiation was examined by reverse transcription polymerase chain reaction analysis (RT-PCR) analysis, histological staining and immunohistochemistry. Activation of the Wnt signaling pathway was evaluated by PCR array, RT-PCR, western blotting and immunofluorescence. XAV-939, a Wnt signaling pathway antagonist, was further used to determine whether the effect of melatonin on chondrocyte hypertrophic differentiation was mediated occurred by activation of Wnt signaling pathway. RESULTS Histological staining showed melatonin increased chondrocyte cell volume and the expression of type X collagen but decreased the expression of type II collagen compared with the control group. RT-PCR showed that melatonin significantly up-regulated the gene expressions of biomarkers of hypertrophic chondrocytes, including type X collagen, alkaline phosphatase, runt-related transcription factor 2, Indian hedgehog and parathyroid hormone-related protein receptor, and melatonin down-regulated the mRNA expression of hallmarks of chondrocytes, including parathyroid hormone-related protein. PCR array showed that the effect of melatonin on chondrocyte hypertrophic differentiation was accompanied by the up-regulation of multiple target genes of the canonical Wnt signaling pathway, and this effect was blocked by XAV-939. CONCLUSIONS The current findings demonstrate that melatonin enhances the hypertrophic differentiation of MSC-derived chondrocytes through the Wnt signaling pathway. Our findings add evidence to the role of melatonin in promoting bone development and highlight the positive effects of melatonin on terminal differentiation of chondrocytes.
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Affiliation(s)
- Xuan Wang
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China
| | - Tianwei He
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China
| | - Lei He
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China
| | - Bu Yang
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China
| | - Zhongyu Liu
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China
| | - Mao Pang
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China
| | - Peigen Xie
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People's Republic of China.,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China.,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China
| | - Liangming Zhang
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People's Republic of China. .,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China. .,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China.
| | - Limin Rong
- Department of Spine Surgery, The Third Affiliated Hospital of Sun Yat-Sen University, Guangzhou, People's Republic of China. .,Guangdong Provincial Center for Quality Control of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China. .,Guangdong Provincial Center for Engineering and Technology Research of Minimally Invasive Spine Surgery, Guangzhou, People's Republic of China.
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Lacerda-Abreu MA, Meyer-Fernandes JR. Extracellular Inorganic Phosphate-Induced Release of Reactive Oxygen Species: Roles in Physiological Processes and Disease Development. Int J Mol Sci 2021; 22:ijms22157768. [PMID: 34360534 PMCID: PMC8346167 DOI: 10.3390/ijms22157768] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Revised: 07/08/2021] [Accepted: 07/19/2021] [Indexed: 12/13/2022] Open
Abstract
Inorganic phosphate (Pi) is an essential nutrient for living organisms and is maintained in equilibrium in the range of 0.8-1.4 mM Pi. Pi is a source of organic constituents for DNA, RNA, and phospholipids and is essential for ATP formation mainly through energy metabolism or cellular signalling modulators. In mitochondria isolated from the brain, liver, and heart, Pi has been shown to induce mitochondrial reactive oxygen species (ROS) release. Therefore, the purpose of this review article was to gather relevant experimental records of the production of Pi-induced reactive species, mainly ROS, to examine their essential roles in physiological processes, such as the development of bone and cartilage and the development of diseases, such as cardiovascular disease, diabetes, muscle atrophy, and male reproductive system impairment. Interestingly, in the presence of different antioxidants or inhibitors of cytoplasmic and mitochondrial Pi transporters, Pi-induced ROS production can be reversed and may be a possible pharmacological target.
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Affiliation(s)
- Marco Antonio Lacerda-Abreu
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-901, RJ, Brazil
- Instituto Nacional de Ciência e Tecnologia em Biologia Estrutural e Bioimagem, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-590, RJ, Brazil
- Correspondence: (M.A.L.-A.); (J.R.M.-F.); Tel.: +55-21-3938-6781 (M.A.L.-A. & J.R.M.-F.); Fax: +55-21-2270-8647 (M.A.L.-A. & J.R.M.-F.)
| | - José Roberto Meyer-Fernandes
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-901, RJ, Brazil
- Instituto Nacional de Ciência e Tecnologia em Biologia Estrutural e Bioimagem, Universidade Federal do Rio de Janeiro, Rio de Janeiro 21941-590, RJ, Brazil
- Correspondence: (M.A.L.-A.); (J.R.M.-F.); Tel.: +55-21-3938-6781 (M.A.L.-A. & J.R.M.-F.); Fax: +55-21-2270-8647 (M.A.L.-A. & J.R.M.-F.)
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36
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Rejuvenated Stem/Progenitor Cells for Cartilage Repair Using the Pluripotent Stem Cell Technology. Bioengineering (Basel) 2021; 8:bioengineering8040046. [PMID: 33920285 PMCID: PMC8070387 DOI: 10.3390/bioengineering8040046] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2021] [Revised: 04/01/2021] [Accepted: 04/06/2021] [Indexed: 01/19/2023] Open
Abstract
It is widely accepted that chondral defects in articular cartilage of adult joints are never repaired spontaneously, which is considered to be one of the major causes of age-related degenerative joint disorders, such as osteoarthritis. Since mobilization of subchondral bone (marrow) cells and addition of chondrocytes or mesenchymal stromal cells into full-thickness defects show some degrees of repair, the lack of self-repair activity in adult articular cartilage can be attributed to lack of reparative cells in adult joints. In contrast, during a fetal or embryonic stage, joint articular cartilage has a scar-less repair activity, suggesting that embryonic joints may contain cells responsible for such activity, which can be chondrocytes, chondroprogenitors, or other cell types such as skeletal stem cells. In this respect, the tendency of pluripotent stem cells (PSCs) to give rise to cells of embryonic characteristics will provide opportunity, especially for humans, to obtain cells carrying similar cartilage self-repair activity. Making use of PSC-derived cells for cartilage repair is still in a basic or preclinical research phase. This review will provide brief overviews on how human PSCs have been used for cartilage repair studies.
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37
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Zhang X, He J, Wang W. Progress in the use of mesenchymal stromal cells for osteoarthritis treatment. Cytotherapy 2021; 23:459-470. [PMID: 33736933 DOI: 10.1016/j.jcyt.2021.01.008] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 12/20/2020] [Accepted: 01/29/2021] [Indexed: 12/26/2022]
Abstract
LITERATURE REVIEW OF MSCS IN THE TREATMENT OF OSTEOARTHRITIS IN THE PAST FIVE YEARS: Osteoarthritis (OA) is one of the most common chronic joint diseases, with prominent symptoms caused by many factors. However, current medical interventions for OA have resulted in poor clinical outcomes, demonstrating that there are huge unmet medical needs in this area. Cell therapy has opened new avenues of OA treatment. Different sources of mesenchymal stromal cells (MSCs) may have different phenotypes and cellular functions. Pre-clinical and clinical studies have demonstrated the feasibility, safety and efficacy of MSC therapy. Mitogen-activated protein kinase, Wnt and Notch signaling pathways are involved in the chondrogenesis of MSC-mediated treatments. MSCs may also exert effective immunoregulatory and paracrine effects to stimulate tissue repair. Therapy with extracellular vesicles containing cytokines, which are secreted by MSCs, might be a potential treatment for OA.
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Affiliation(s)
- Xiaotian Zhang
- Department of Orthopedics, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Jiyin He
- Department of Orthopedics, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China.
| | - Wen Wang
- Clinical Development, IASO Biotherapeutics Co., Ltd., Shanghai, China.
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38
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Ono K, Hata K, Nakamura E, Ishihara S, Kobayashi S, Nakanishi M, Yoshida M, Takahata Y, Murakami T, Takenoshita S, Komori T, Nishimura R, Yoneda T. Dmrt2 promotes transition of endochondral bone formation by linking Sox9 and Runx2. Commun Biol 2021; 4:326. [PMID: 33707608 PMCID: PMC7952723 DOI: 10.1038/s42003-021-01848-1] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2020] [Accepted: 02/12/2021] [Indexed: 11/23/2022] Open
Abstract
Endochondral bone formation is fundamental for skeletal development. During this process, chondrocytes undergo multiple steps of differentiation and coordinated transition from a proliferating to a hypertrophic stage, which is critical to advance skeletal development. Here, we identified the transcription factor Dmrt2 (double-sex and mab-3 related transcription factor 2) as a Sox9-inducible gene that promotes chondrocyte hypertrophy in pre-hypertrophic chondrocytes. Epigenetic analysis further demonstrated that Sox9 regulates Dmrt2 expression through an active enhancer located 18 kb upstream of the Dmrt2 gene and that this enhancer's chromatin status is progressively activated through chondrocyte differentiation. Dmrt2-knockout mice exhibited a dwarf phenotype with delayed initiation of chondrocyte hypertrophy. Dmrt2 augmented hypertrophic chondrocyte gene expression including Ihh through physical and functional interaction with Runx2. Furthermore, Dmrt2 deficiency reduced Runx2-dependent Ihh expression. Our findings suggest that Dmrt2 is critical for sequential chondrocyte differentiation during endochondral bone formation and coordinates the transcriptional network between Sox9 and Runx2.
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Affiliation(s)
- Koichiro Ono
- Department of Molecular and Cellular Biochemistry, Osaka University Graduate School of Dentistry, Osaka, Japan
- Department of Orthopedics, Nippon Medical School, Tokyo, Japan
| | - Kenji Hata
- Department of Molecular and Cellular Biochemistry, Osaka University Graduate School of Dentistry, Osaka, Japan.
| | - Eriko Nakamura
- Department of Molecular and Cellular Biochemistry, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Shota Ishihara
- Department of Molecular and Cellular Biochemistry, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Sachi Kobayashi
- Department of Molecular and Cellular Biochemistry, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Masako Nakanishi
- Department of Molecular and Cellular Biochemistry, Osaka University Graduate School of Dentistry, Osaka, Japan
- Department of Pathology, Wakayama Medical University, Wakayama, Japan
| | - Michiko Yoshida
- Department of Molecular and Cellular Biochemistry, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Yoshifumi Takahata
- Department of Molecular and Cellular Biochemistry, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Tomohiko Murakami
- Department of Molecular and Cellular Biochemistry, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Seiichi Takenoshita
- Advanced Clinical Research Center, Fukushima Medical University, Fukushima, Japan
| | - Toshihisa Komori
- Department of Cell Biology, Nagasaki University Graduate School of Biomedical Sciences, Nagasaki, Japan
| | - Riko Nishimura
- Department of Molecular and Cellular Biochemistry, Osaka University Graduate School of Dentistry, Osaka, Japan.
| | - Toshiyuki Yoneda
- Department of Molecular and Cellular Biochemistry, Osaka University Graduate School of Dentistry, Osaka, Japan
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Zhang X, Weng M, Chen Z. Fibroblast Growth Factor 9 (FGF9) negatively regulates the early stage of chondrogenic differentiation. PLoS One 2021; 16:e0241281. [PMID: 33529250 PMCID: PMC7853451 DOI: 10.1371/journal.pone.0241281] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Accepted: 10/12/2020] [Indexed: 01/02/2023] Open
Abstract
Fibroblast growth factor signaling is essential for mammalian bone morphogenesis and growth, involving membranous ossification and endochondral ossification. FGF9 has been shown to be an important regulator of endochondral ossification; however, its role in the early differentiation of chondrocytes remains unknown. Therefore, in this study, we aimed to determine the role of FGF9 in the early differentiation of chondrogenesis. We found an increase in FGF9 expression during proliferating chondrocyte hypertrophy in the mouse growth plate. Silencing of FGF9 promotes the growth of ATDC5 cells and promotes insulin-induced differentiation of ATDC5 chondrocytes, which is due to increased cartilage matrix formation and type II collagen (col2a1) and X (col10a1), Acan, Ihh, Mmp13 gene expression. Then, we evaluated the effects of AKT, GSK-3β, and mTOR. Inhibition of FGF9 significantly inhibits phosphorylation of AKT and GSK-3β, but does not affected the activation of mTOR. Furthermore, phosphorylation of inhibited AKT and GSK-3β was compensated using the AKT activator SC79, and differentiation of ATDC5 cells was inhibited. In conclusion, our results indicate that FGF9 acts as an important regulator of early chondrogenesis partly through the AKT/GSK-3β pathway.
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Affiliation(s)
- Xiaoyue Zhang
- Department of Orthodontics, The Affiliated Stomatology Hospital of Tongji University, Shanghai, China
- Shanghai Key Laboratory of Stomatology, Shanghai, China
| | - Mengjia Weng
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Department of Orthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhenqi Chen
- Shanghai Key Laboratory of Stomatology, Shanghai, China
- Department of Orthodontics, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
- * E-mail:
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40
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Boraldi F, Lofaro FD, Quaglino D. Apoptosis in the Extraosseous Calcification Process. Cells 2021; 10:cells10010131. [PMID: 33445441 PMCID: PMC7827519 DOI: 10.3390/cells10010131] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2020] [Revised: 01/07/2021] [Accepted: 01/10/2021] [Indexed: 12/13/2022] Open
Abstract
Extraosseous calcification is a pathologic mineralization process occurring in soft connective tissues (e.g., skin, vessels, tendons, and cartilage). It can take place on a genetic basis or as a consequence of acquired chronic diseases. In this last case, the etiology is multifactorial, including both extra- and intracellular mechanisms, such as the formation of membrane vesicles (e.g., matrix vesicles and apoptotic bodies), mitochondrial alterations, and oxidative stress. This review is an overview of extraosseous calcification mechanisms focusing on the relationships between apoptosis and mineralization in cartilage and vascular tissues, as these are the two tissues mostly affected by a number of age-related diseases having a progressively increased impact in Western Countries.
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Affiliation(s)
- Federica Boraldi
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy; (F.D.L.); (D.Q.)
- Correspondence:
| | - Francesco Demetrio Lofaro
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy; (F.D.L.); (D.Q.)
| | - Daniela Quaglino
- Department of Life Sciences, University of Modena and Reggio Emilia, 41125 Modena, Italy; (F.D.L.); (D.Q.)
- Interuniversity Consortium for Biotechnologies (CIB), Italy
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Abstract
Development of cartilage and bone, the core components of the mouse skeletal system, depends on coordinated proliferation and differentiation of skeletogenic cells, including chondrocytes and osteoblasts. These cells differentiate from common progenitor cells originating in the mesoderm and neural crest. Multiple signaling pathways and transcription factors tightly regulate differentiation and proliferation of skeletal cells. In this chapter, we overview the process of mouse skeletal development and discuss major regulators of skeletal cells at each developmental stage.
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Affiliation(s)
- Tatsuya Kobayashi
- Massachusetts General Hospital, Harvard University, Boston, MA, USA.
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Fu R, Liu C, Yan Y, Li Q, Huang RL. Bone defect reconstruction via endochondral ossification: A developmental engineering strategy. J Tissue Eng 2021; 12:20417314211004211. [PMID: 33868628 PMCID: PMC8020769 DOI: 10.1177/20417314211004211] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Accepted: 03/03/2021] [Indexed: 02/05/2023] Open
Abstract
Traditional bone tissue engineering (BTE) strategies induce direct bone-like matrix formation by mimicking the embryological process of intramembranous ossification. However, the clinical translation of these clinical strategies for bone repair is hampered by limited vascularization and poor bone regeneration after implantation in vivo. An alternative strategy for overcoming these drawbacks is engineering cartilaginous constructs by recapitulating the embryonic processes of endochondral ossification (ECO); these constructs have shown a unique ability to survive under hypoxic conditions as well as induce neovascularization and ossification. Such developmentally engineered constructs can act as transient biomimetic templates to facilitate bone regeneration in critical-sized defects. This review introduces the concept and mechanism of developmental BTE, explores the routes of endochondral bone graft engineering, highlights the current state of the art in large bone defect reconstruction via ECO-based strategies, and offers perspectives on the challenges and future directions of translating current knowledge from the bench to the bedside.
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Affiliation(s)
- Rao Fu
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chuanqi Liu
- Department of Plastic and Burn Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Yuxin Yan
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qingfeng Li
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ru-Lin Huang
- Department of Plastic and Reconstructive Surgery, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Charlier E, Deroyer C, Neuville S, Plener Z, Malaise O, Ciregia F, Gillet P, Reuter G, Salvé M, Withofs N, Hustinx R, de Seny D, Malaise MG. Toward diagnostic relevance of the α Vβ 5, α Vβ 3, and α Vβ 6 integrins in OA: expression within human cartilage and spinal osteophytes. Bone Res 2020; 8:35. [PMID: 33083095 PMCID: PMC7527564 DOI: 10.1038/s41413-020-00110-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 05/06/2020] [Accepted: 06/08/2020] [Indexed: 12/14/2022] Open
Abstract
We previously reported 18FPRGD2 uptake by the coxofemoral lining, intervertebral discs and facet joint osteophytes in OA using PET/SCAN imaging. However, the molecular mechanism by which the PRGD2 tracer interacts with joint tissues and osteophytes in OA remains unclear. As PRGD2 ligands are expected to belong to the RGD-specific integrin family, the purpose of this study was (i) to determine which integrin complexes display the highest affinity for PRGD2-based ligands, (ii) to analyze integrin expression in relevant tissues, and (iii) to test integrin regulation in chondrocytes using OA-related stimuli to increase the levels of fibrosis and ossification markers. To this end, the affinity of PRGD2-based ligands for five heterodimeric integrins was measured by competition with 125I-echistatin. In situ analyses were performed in human normal vs. OA cartilage and spinal osteophytes. Osteophytes were characterized by (immuno-)histological staining. Integrin subunit expression was tested in chondrocytes undergoing dedifferentiation, osteogenic differentiation, and inflammatory stimulation. The integrins αVβ5, αVβ3, and αVβ6 presented the highest affinity for PRGD2-based ligands. In situ, the expression of these integrins was significantly increased in OA compared to normal cartilage. Within osteophytes, the mean integrin expression score was significantly higher in blood vessels, fibrous areas, and cells from the bone lining than in osteocytes and cartilaginous zones. In vitro, the levels of integrin subunits were significantly increased during chondrocyte dedifferentiation (except for β6), fibrosis, and osteogenic differentiation as well as under inflammatory stimuli. In conclusion, anatomical zones (such as OA cartilage, intervertebral discs, and facet joint osteophytes) previously reported to show PRGD2 ligand uptake in vivo expressed increased levels of αVβ5, αVβ3, and β6 integrins, whose subunits are modulated in vitro by OA-associated conditions that increase fibrosis, inflammation, and osteogenic differentiation. These results suggest that the increased levels of integrins in OA compared to normal tissues favor PRGD2 uptake and might explain the molecular mechanism of OA imaging using the PRGD2-based ligand PET/CT.
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Affiliation(s)
- Edith Charlier
- Laboratory of Rheumatology, GIGA-I3, CHULiège, ULiège, Liège, Belgium
| | - Céline Deroyer
- Laboratory of Rheumatology, GIGA-I3, CHULiège, ULiège, Liège, Belgium
| | - Sophie Neuville
- Laboratory of Rheumatology, GIGA-I3, CHULiège, ULiège, Liège, Belgium
| | - Zelda Plener
- Laboratory of Rheumatology, GIGA-I3, CHULiège, ULiège, Liège, Belgium
| | - Olivier Malaise
- Laboratory of Rheumatology, GIGA-I3, CHULiège, ULiège, Liège, Belgium
| | - Federica Ciregia
- Laboratory of Rheumatology, GIGA-I3, CHULiège, ULiège, Liège, Belgium
| | | | - Gilles Reuter
- Department of Neurosurgery, CHULiège, Liège, Belgium
| | - Mallory Salvé
- Department of Nuclear Medicine, CHULiège, Liège, Belgium
| | - Nadia Withofs
- Department of Nuclear Medicine, CHULiège, Liège, Belgium
| | - Roland Hustinx
- Department of Nuclear Medicine, CHULiège, Liège, Belgium
| | - Dominique de Seny
- Laboratory of Rheumatology, GIGA-I3, CHULiège, ULiège, Liège, Belgium
| | - Michel G. Malaise
- Laboratory of Rheumatology, GIGA-I3, CHULiège, ULiège, Liège, Belgium
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Kumar A, Palit P, Thomas S, Gupta G, Ghosh P, Goswami RP, Kumar Maity T, Dutta Choudhury M. Osteoarthritis: Prognosis and emerging therapeutic approach for disease management. Drug Dev Res 2020; 82:49-58. [PMID: 32931079 DOI: 10.1002/ddr.21741] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2020] [Revised: 08/24/2020] [Accepted: 08/25/2020] [Indexed: 12/21/2022]
Abstract
Osteoarthritis (OA), a disorder of joints, is prevalent in older age. The contemporary cure for OA is aimed to confer symptomatic relief, consisting of temporary pain and swelling relief. In this paper, we discuss various modalities responsible for the onset of OA and associated with its severity. Inhibition of chondrocytes receptors such as DDR2, SDF-1, Asporin, and CXCR4 by specific pharmacological inhibitors attenuates OA, a critical step for finding potential disease modifying drugs. We critically analyzed recent OA studies with an emphasis on intermediate target molecules for OA intervention. We also explored some novel and safe treatments for OA by considering disease prognosis crosstalk with cellular signaling pathways.
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Affiliation(s)
- Amresh Kumar
- Department of Life Sciences and Bioinformatics, Assam University, Silchar, India
| | - Partha Palit
- Department of Pharmaceutical Sciences, Assam University, Silchar, India
| | - Sabu Thomas
- Department of Chemical Sciences, Mahatma Gandhi University, Kottayam, India
| | - Gaurav Gupta
- Department of Immunology, University of Manitoba, Winnipeg, Manitoba, Canada.,Area of Biotechnology and Bioinformatics, NIIT University, Neemrana, Rajasthan, India
| | - Parasar Ghosh
- Department of Rheumatology, Institute of Post Graduate Medical Education &Research, Kolkata, India
| | | | - Tapan Kumar Maity
- Department of Pharmaceutical Technology, Jadavpur University, Kolkata, India
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Neefjes M, van Caam APM, van der Kraan PM. Transcription Factors in Cartilage Homeostasis and Osteoarthritis. BIOLOGY 2020; 9:biology9090290. [PMID: 32937960 PMCID: PMC7563835 DOI: 10.3390/biology9090290] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Revised: 09/07/2020] [Accepted: 09/07/2020] [Indexed: 12/13/2022]
Abstract
Osteoarthritis (OA) is the most common degenerative joint disease, and it is characterized by articular cartilage loss. In part, OA is caused by aberrant anabolic and catabolic activities of the chondrocyte, the only cell type present in cartilage. These chondrocyte activities depend on the intra- and extracellular signals that the cell receives and integrates into gene expression. The key proteins for this integration are transcription factors. A large number of transcription factors exist, and a better understanding of the transcription factors activated by the various signaling pathways active during OA can help us to better understand the complex etiology of OA. In addition, establishing such a profile can help to stratify patients in different subtypes, which can be a very useful approach towards personalized therapy. In this review, we discuss crucial transcription factors for extracellular matrix metabolism, chondrocyte hypertrophy, chondrocyte senescence, and autophagy in chondrocytes. In addition, we discuss how insight into these factors can be used for treatment purposes.
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Du G, Xiang C, Sang X, Wang X, Shi Y, Wang N, Wang S, Li P, Wei X, Zhang M, Gao L, Zhan H, Wei L. Histone deacetylase 4 deletion results in abnormal chondrocyte hypertrophy and premature ossification from collagen type 2α1‑expressing cells. Mol Med Rep 2020; 22:4031-4040. [PMID: 33000215 DOI: 10.3892/mmr.2020.11465] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Accepted: 07/29/2020] [Indexed: 02/06/2023] Open
Abstract
Histone deacetylase 4 (HDAC4) plays a vital role in chondrocyte hypertrophy and bone formation. To investigate the function of HDAC4 in postnatal skeletal development, the present study developed lineage‑specific HDAC4‑knockout mice [collagen type 2α1 (Col2α1)‑Cre, HDAC4d/d mice] by crossing transgenic mice expressing Cre recombinase. Thus, a specific ablation of HDAC4 was performed in Col2α1‑expressing mice cells. The knee joints of HDAC4fl/fl and Col2α1‑Cre, HDAC4d/d mice were analyzed at postnatal day (P)2‑P21 using an in vivo bromodeoxyuridine (BrdU) assay, and Safranin O, Von Kossa and whole‑body staining were used to evaluate the developmental growth plate, hypertrophic differentiation, mineralization and skeletal mineralization patterns. The trabecular bone was analyzed using microcomputed tomography. The expressions of BrdU, proliferating cell nuclear antigen (PCNA), matrix metalloproteinase (MMP)‑13, runt‑related transcription factor (Runx)‑2, osteoprotegerin (OPG), CD34, type X collagen (ColX), osteocalcin and Wnt5a were determined using immunohistochemistry, in situ hybridization (ISH) and reverse transcription‑quantitative (RT‑q)PCR. The results demonstrated that HDAC4‑null mice (HDAC4d/d mice) were severely runted; these mice had a shortened hypertrophic zone (histopathological evaluation), accelerated vascular invasion and articular mineralization (Von Kossa staining), elevated expressions of MMP‑13, Runx2, OPG and CD34 (RT‑qPCR and immunohistochemistry), downregulated expression of the proliferative marker BrdU and PCNA (immunohistochemistry), increased expression of ColX and decreased expression of Wnt5a (ISH). In conclusion, chondrocyte‑derived HDAC4 was responsible for regulating chondrocyte proliferation and differentiation as well as endochondral bone formation.
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Affiliation(s)
- Guoqing Du
- Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine (TCM), Institute of Traumatology and Orthopedics, Shanghai Academy of TCM, Shanghai 201203, P.R. China
| | - Chuan Xiang
- Department of Orthopedics, The Second Hospital Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
| | - Xiaowen Sang
- Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine (TCM), Institute of Traumatology and Orthopedics, Shanghai Academy of TCM, Shanghai 201203, P.R. China
| | - Xiang Wang
- Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine (TCM), Institute of Traumatology and Orthopedics, Shanghai Academy of TCM, Shanghai 201203, P.R. China
| | - Ying Shi
- Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine (TCM), Institute of Traumatology and Orthopedics, Shanghai Academy of TCM, Shanghai 201203, P.R. China
| | - Nan Wang
- Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine (TCM), Institute of Traumatology and Orthopedics, Shanghai Academy of TCM, Shanghai 201203, P.R. China
| | - Shaowei Wang
- Department of Orthopedics, The Second Hospital Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
| | - Pengcui Li
- Department of Orthopedics, The Second Hospital Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
| | - Xiaochun Wei
- Department of Orthopedics, The Second Hospital Shanxi Medical University, Taiyuan, Shanxi 030001, P.R. China
| | - Min Zhang
- Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine (TCM), Institute of Traumatology and Orthopedics, Shanghai Academy of TCM, Shanghai 201203, P.R. China
| | - Lilan Gao
- Tianjin Key Laboratory for Control Theory and Applications in Complicated Industry Systems, School of Mechanical Engineering, Tianjin University of Technology, Tianjin 300384, P.R. China
| | - Hongsheng Zhan
- Shi's Center of Orthopedics and Traumatology, Shuguang Hospital Affiliated to Shanghai University of Traditional Chinese Medicine (TCM), Institute of Traumatology and Orthopedics, Shanghai Academy of TCM, Shanghai 201203, P.R. China
| | - Lei Wei
- Department of Orthopedics, The Warren Alpert Medical School of Brown University and Rhode Island Hospital, Providence, RI 02903, USA
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Oichi T, Otsuru S, Usami Y, Enomoto-Iwamoto M, Iwamoto M. Wnt signaling in chondroprogenitors during long bone development and growth. Bone 2020; 137:115368. [PMID: 32380258 PMCID: PMC7354209 DOI: 10.1016/j.bone.2020.115368] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Revised: 04/14/2020] [Accepted: 04/16/2020] [Indexed: 02/08/2023]
Abstract
Wnt signaling together with other signaling pathways governs cartilage development and the growth plate function during long bone formation and growth. β-catenin-dependent Wnt signaling is a specific lineage determinant of skeletal mesenchymal cells toward chondrogenic or osteogenic direction. Once cartilage forms and the growth plate organize, Wnt signaling continues to regulate proliferation and differentiation of the growth plate chondrocytes. Although chondrocytes in the growth plate have a high capacity to proliferate, new cells must be supplied to the growth plate from chondroprogenitor population. Advances in in vivo cell tracking techniques have demonstrated the importance of Wnt signaling in driving tissue renewal. The Wnt-responsive cells, genetically marked by the Wnt-reporter system, are found as stem cells in various tissues. Similarly, Wnt-responsive cells are found in the periphery of the growth plate and expanded to constitute entire column structure, indicating that Wnt signaling participates in the regulation of chondroprogenitors in the growth plate. This review will discuss advancements in research of progenitors in the growth plate, specifically focusing on Wnt/β-catenin signaling.
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Affiliation(s)
- Takeshi Oichi
- Department of Orthopaedics, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Satoru Otsuru
- Department of Orthopaedics, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Yu Usami
- Department of Oral Pathology, Osaka University Graduate School of Dentistry, Osaka, Japan
| | - Motomi Enomoto-Iwamoto
- Department of Orthopaedics, School of Medicine, University of Maryland, Baltimore, MD, USA
| | - Masahiro Iwamoto
- Department of Orthopaedics, School of Medicine, University of Maryland, Baltimore, MD, USA.
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Li C, Luo J, Xu X, Zhou Z, Ying S, Liao X, Wu K. Single cell sequencing revealed the underlying pathogenesis of the development of osteoarthritis. Gene 2020; 757:144939. [PMID: 32640306 DOI: 10.1016/j.gene.2020.144939] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2020] [Revised: 05/25/2020] [Accepted: 07/01/2020] [Indexed: 12/31/2022]
Abstract
Osteoarthritis (OA) is a chronic degenerative change with high incidence and leads to a lower quality of life and a larger socioeconomic burden. This study aimed to explore potential crucial genes and pathways associated with OA that can be used as potential biomarkers forearly treatment. Single-cell gene expression profile of 1464 chondrocytes and 192 fibroblasts in OA were downloaded from the public database (GSE104782 and GSE109449) for subsequent analysis. A total of eight clusters in chondrocytes and three clusters in fibroblasts of OA were identified using the Seurat pipeline and the "SingleR" package for cell-type annotation. Moreover, 44 common marker-genes between fibroblastic-like chondrocytes and fibroblasts were identified and the focal adhesions pathway was further identified as a significant potential mechanism of OA via functional enrichment analysis. Further, the reverse transcription quantitative real-time PCR (RT-qPCR) experiments at tissue's and cellular level confirmed that two key marker-genes (COL6A3 and ACTG1) might participate in the progression of OA. Summarily, we inferred that chondrocytes in OA might up-regulate the expression of COL6A3 and ACTG1 to complete fibroblasts transformation through the focal adhesion pathway. These findings are expected to gain a further insight into the development of OA fibrosis process and provide a promising target for treatment for early OA.
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Affiliation(s)
- Chenlu Li
- Rheumatology Department, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Jing Luo
- Rheumatology Department, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, China
| | - Xin Xu
- Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou, China
| | - Zihao Zhou
- Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou, China
| | - Senhong Ying
- Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou, China
| | - Xin Liao
- Institute of Genomic Medicine, Wenzhou Medical University, Wenzhou, China
| | - Keke Wu
- Wenzhou Center for Disease Control and Prevention, Wenzhou, China.
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Nakayama N, Pothiawala A, Lee JY, Matthias N, Umeda K, Ang BK, Huard J, Huang Y, Sun D. Human pluripotent stem cell-derived chondroprogenitors for cartilage tissue engineering. Cell Mol Life Sci 2020; 77:2543-2563. [PMID: 31915836 PMCID: PMC11104892 DOI: 10.1007/s00018-019-03445-2] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2019] [Revised: 12/24/2019] [Accepted: 12/27/2019] [Indexed: 02/06/2023]
Abstract
The cartilage of joints, such as meniscus and articular cartilage, is normally long lasting (i.e., permanent). However, once damaged, especially in large animals and humans, joint cartilage is not spontaneously repaired. Compensating the lack of repair activity by supplying cartilage-(re)forming cells, such as chondrocytes or mesenchymal stromal cells, or by transplanting a piece of normal cartilage, has been the basis of therapy for biological restoration of damaged joint cartilage. Unfortunately, current biological therapies face problems on a number of fronts. The joint cartilage is generated de novo from a specialized cell type, termed a 'joint progenitor' or 'interzone cell' during embryogenesis. Therefore, embryonic chondroprogenitors that mimic the property of joint progenitors might be the best type of cell for regenerating joint cartilage in the adult. Pluripotent stem cells (PSCs) are expected to differentiate in culture into any somatic cell type through processes that mimic embryogenesis, making human (h)PSCs a promising source of embryonic chondroprogenitors. The major research goals toward the clinical application of PSCs in joint cartilage regeneration are to (1) efficiently generate lineage-specific chondroprogenitors from hPSCs, (2) expand the chondroprogenitors to the number needed for therapy without loss of their chondrogenic activity, and (3) direct the in vivo or in vitro differentiation of the chondroprogenitors to articular or meniscal (i.e., permanent) chondrocytes rather than growth plate (i.e., transient) chondrocytes. This review is aimed at providing the current state of research toward meeting these goals. We also include our recent achievement of successful generation of "permanent-like" cartilage from long-term expandable, hPSC-derived ectomesenchymal chondroprogenitors.
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Affiliation(s)
- Naoki Nakayama
- Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center at Houston Medical School, 1825 Pressler St., Houston, TX, 77030, USA.
- Department of Orthopaedic Surgery, The University of Texas Health Science Center at Houston Medical School, Houston, TX, USA.
| | - Azim Pothiawala
- Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center at Houston Medical School, 1825 Pressler St., Houston, TX, 77030, USA
| | - John Y Lee
- Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center at Houston Medical School, 1825 Pressler St., Houston, TX, 77030, USA
- Miller School of Medicine, University of Miami, Miami, FL, USA
| | - Nadine Matthias
- Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center at Houston Medical School, 1825 Pressler St., Houston, TX, 77030, USA
| | - Katsutsugu Umeda
- Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center at Houston Medical School, 1825 Pressler St., Houston, TX, 77030, USA
- Department of Pediatrics, Kyoto University School of Medicine, Kyoto, Japan
| | - Bryan K Ang
- Brown Foundation Institute of Molecular Medicine, The University of Texas Health Science Center at Houston Medical School, 1825 Pressler St., Houston, TX, 77030, USA
- Weil Cornell Medicine, New York, NY, USA
| | - Johnny Huard
- Department of Orthopaedic Surgery, The University of Texas Health Science Center at Houston Medical School, Houston, TX, USA
- Steadman Philippon Research Institute, Vail, CO, USA
| | - Yun Huang
- Institute of Bioscience and Technology, Texas A&M University, Houston, TX, USA
| | - Deqiang Sun
- Institute of Bioscience and Technology, Texas A&M University, Houston, TX, USA
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50
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Liu N, Fu D, Yang J, Liu P, Song X, Wang X, Li R, Fu Z, Chen J, Gong X, Chen C, Yang L. Asiatic acid attenuates hypertrophic and fibrotic differentiation of articular chondrocytes via AMPK/PI3K/AKT signaling pathway. Arthritis Res Ther 2020; 22:112. [PMID: 32398124 PMCID: PMC7218496 DOI: 10.1186/s13075-020-02193-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2019] [Accepted: 04/22/2020] [Indexed: 12/14/2022] Open
Abstract
Background Osteoarthritis (OA), the most common joint disorder, is characterized by a progressive degradation of articular cartilage. Increasing evidence suggests that OA is closely associated with cartilage pathologies including chondrocyte hypertrophy and fibrosis. Methods In this study, we showed that asiatic acid (AA) treatment reduced chondrocyte hypertrophy and fibrosis. First, the cytotoxicity of AA (0, 5, 10, and 20 μM) to chondrocytes was evaluated, and 5 μM was selected for subsequent experiments. Then, we detected the gene and protein level of chondrocyte hypertrophic markers including type X collagen (COL-X), matrix metalloproteinase-13 (MMP-13), alkaline phosphatase (ALP), and runt-related transcription factor 2 (Runx2); chondrocyte fibrosis markers including type I collagen (COL-Ι) and alpha-smooth muscle actin (α-SMA); and chondrogenic markers including SRY-related HMG box 9 (SOX9), type II collagen (COL-II), and aggrecan (ACAN). Further, we tested the mechanism of AA on inhibiting chondrocyte hypertrophy and fibrosis. Finally, we verified the results in an anterior cruciate ligament transection (ACLT) rat OA model. Results We found that AA treatment inhibited the hypertrophic and fibrotic phenotype of chondrocytes, without affecting the chondrogenic phenotype. Moreover, we found that AA treatment activated AMP-activated protein kinase (AMPK) and inhibited phosphoinositide-3 kinase/protein kinase B (PI3K/AKT) signaling pathway in vitro. The results in an ACLT rat OA model also indicated that AA significantly attenuated chondrocyte hypertrophy and fibrosis. Conclusion AA treatment could reduce hypertrophic and fibrotic differentiation and maintain the chondrogenic phenotype of articular chondrocytes by targeting the AMPK/PI3K/AKT signaling pathway. Our study suggested that AA might be a prospective drug component that targets hypertrophic and fibrotic chondrocytes for OA treatment.
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Affiliation(s)
- Na Liu
- Key Laboratory of Freshwater Fish Reproduction and Development, Ministry of Education, Laboratory of Molecular Developmental Biology, School of Life Sciences, Southwest University, Chongqing, China.,Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Dejie Fu
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Junjun Yang
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Pingju Liu
- Zunyi Traditional Chinese Medicine Hospital, Zunyi, China
| | - Xiongbo Song
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Xin Wang
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Rui Li
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Zhenlan Fu
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Jiajia Chen
- Biomedical Analysis Center, Third Military Medical University (Army Medical University), Chongqing, China
| | - Xiaoyuan Gong
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China
| | - Cheng Chen
- College of Medical Informatics, Chongqing Medical University, Chongqing, China.
| | - Liu Yang
- Center for Joint Surgery, Southwest Hospital, Third Military Medical University (Army Medical University), Chongqing, China.
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