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Malange KF, de Souza DM, Lemes JBP, Fagundes CC, Oliveira ALL, Pagliusi MO, Carvalho NS, Nishijima CM, da Silva CRR, Consonni SR, Sartori CR, Tambeli CH, Parada CA. The Implications of Brain-Derived Neurotrophic Factor in the Biological Activities of Platelet-Rich Plasma. Inflammation 2024:10.1007/s10753-024-02072-9. [PMID: 38904872 DOI: 10.1007/s10753-024-02072-9] [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: 03/24/2024] [Revised: 05/16/2024] [Accepted: 05/31/2024] [Indexed: 06/22/2024]
Abstract
Platelet-rich plasma (PRP) is a biological blood-derived therapeutic obtained from whole blood that contains higher levels of platelets. PRP has been primarily used to mitigate joint degeneration and chronic pain in osteoarthritis (OA). This clinical applicability is based mechanistically on the release of several proteins by platelets that can restore joint homeostasis. Platelets are the primary source of brain-derived neurotrophic factor (BDNF) outside the central nervous system. Interestingly, BDNF and PRP share key biological activities with clinical applicability for OA management, such as anti-inflammatory, anti-apoptotic, and antioxidant. However, the role of BDNF in PRP therapeutic activities is still unknown. Thus, this work aimed to investigate the implications of BDNF in therapeutic outcomes provided by PRP therapy in vitro and in-vivo, using the MIA-OA animal model in male Wistar rats. Initially, the PRP was characterized, obtaining a leukocyte-poor-platelet-rich plasma (LP-PRP). Our assays indicated that platelets activated by Calcium release BDNF, and suppression of M1 macrophage polarization induced by LP-PRP depends on BDNF full-length receptor, Tropomyosin Kinase-B (TrkB). OA animals were given LP-PRP intra-articular and showed functional recovery in gait, joint pain, inflammation, and tissue damage caused by MIA. Immunohistochemistry for activating transcriptional factor-3 (ATF-3) on L4/L5 dorsal root ganglia showed the LP-PRP decreased the nerve injury induced by MIA. All these LP-PRP therapeutic activities were reversed in the presence of TrkB receptor antagonist. Our results suggest that the therapeutic effects of LP-PRP in alleviating OA symptoms in rats depend on BDNF/TrkB activity.
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Affiliation(s)
- Kaue Franco Malange
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (UNICAMP), Rua Carl Von Linnaeus, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, 13083-864, Brazil
| | - Douglas Menezes de Souza
- Department of Pharmacology, School of Medical Sciences, University of Campinas (UNICAMP), Rua Tessália Vieira de Camargo, 126, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, 13083-887, Brazil
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Rua Monteiro Lobato, 255, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, CEP 13083-862, Brazil
| | - Julia Borges Paes Lemes
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (UNICAMP), Rua Carl Von Linnaeus, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, 13083-864, Brazil
| | - Cecilia Costa Fagundes
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (UNICAMP), Rua Carl Von Linnaeus, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, 13083-864, Brazil
| | - Anna Lethicia Lima Oliveira
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (UNICAMP), Rua Carl Von Linnaeus, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, 13083-864, Brazil
| | - Marco Oreste Pagliusi
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (UNICAMP), Rua Carl Von Linnaeus, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, 13083-864, Brazil
| | - Nathalia Santos Carvalho
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (UNICAMP), Rua Carl Von Linnaeus, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, 13083-864, Brazil
| | - Catarine Massucato Nishijima
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (UNICAMP), Rua Carl Von Linnaeus, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, 13083-864, Brazil
| | - Cintia Rizoli Ruiz da Silva
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Rua Monteiro Lobato, 255, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, CEP 13083-862, Brazil
| | - Silvio Roberto Consonni
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Rua Monteiro Lobato, 255, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, CEP 13083-862, Brazil
| | - Cesar Renato Sartori
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (UNICAMP), Rua Carl Von Linnaeus, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, 13083-864, Brazil
| | - Claudia Herrera Tambeli
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (UNICAMP), Rua Carl Von Linnaeus, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, 13083-864, Brazil
| | - Carlos Amilcar Parada
- Department of Structural and Functional Biology, Institute of Biology, University of Campinas (UNICAMP), Rua Carl Von Linnaeus, Cidade Universitária Zeferino Vaz, Campinas, São Paulo, 13083-864, Brazil.
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Wang P, Zhao Z, Li Z, Li X, Huang B, Lu X, Dai S, Li S, Man Z, Li W. Attenuation of osteoarthritis progression via locoregional delivery of Klotho-expressing plasmid DNA and Tanshinon IIA through a stem cell-homing hydrogel. J Nanobiotechnology 2024; 22:325. [PMID: 38858695 PMCID: PMC11163801 DOI: 10.1186/s12951-024-02608-z] [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: 12/02/2023] [Accepted: 05/30/2024] [Indexed: 06/12/2024] Open
Abstract
BACKGROUND Osteoarthritis (OA) is an aging-related degenerative joint disorder marked by joint discomfort and rigidity. Senescent chondrocytes release pro-inflammatory cytokines and extracellular matrix-degrading proteins, creating an inflammatory microenvironment that hinders chondrogenesis and accelerates matrix degradation. Targeting of senescent chondrocytes may be a promising approach for the treatment of OA. Herein, we describe the engineering of an injectable peptide-hydrogel conjugating a stem cell-homing peptide PFSSTKT for carrying plasmid DNA-laden nanoparticles and Tanshinon IIA (pPNP + TIIA@PFS) that was designed to attenuate OA progression by improving the senescent microenvironment and fostering cartilage regeneration. RESULTS Specifically, pPNP + TIIA@PFS elevates the concentration of the anti-aging protein Klotho and blocks the transmission of senescence signals to adjacent healthy chondrocytes, significantly mitigating chondrocyte senescence and enhancing cartilage integrity. Additionally, pPNP + TIIA@PFS recruit bone mesenchymal stem cells and directs their subsequent differentiation into chondrocytes, achieving satisfactory chondrogenesis. In surgically induced OA model rats, the application of pPNP + TIIA@PFS results in reduced osteophyte formation and attenuation of articular cartilage degeneration. CONCLUSIONS Overall, this study introduces a novel approach for the alleviation of OA progression, offering a foundation for potential clinical translation in OA therapy.
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Affiliation(s)
- Peng Wang
- Department of Joint Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, 250021, P. R. China
| | - Zhibo Zhao
- Department of Joint Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, 250021, P. R. China
| | - Ziyang Li
- Department of Orthopedic Surgery, Second Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, China
| | - Xiao Li
- Department of Joint Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, 250021, P. R. China
| | - Benzhao Huang
- Department of Joint Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, P. R. China
| | - Xiaoqing Lu
- Department of Joint Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, P. R. China
| | - Shimin Dai
- Department of Joint Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, P. R. China
| | - Shishuo Li
- Department of Joint Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, P. R. China
| | - Zhentao Man
- Department of Joint Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, 250021, P. R. China.
- Department of Joint Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, P. R. China.
- College of Sports Medicine and Rehabilitation, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, 250021, P. R. China.
- Endocrine and Metabolic Diseases Hospital of Shandong First Medical University, Shandong Institute of Endocrine and Metabolic Diseases, Jinan, Shandong, 250062, P. R. China.
| | - Wei Li
- Department of Joint Surgery, Shandong Provincial Hospital, Shandong University, Jinan, Shandong, 250021, P. R. China.
- Department of Joint Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, P. R. China.
- College of Sports Medicine and Rehabilitation, Shandong First Medical University & Shandong Academy of Medical Sciences, Jinan, Shandong, 250021, P. R. China.
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Han H, Shi H, Jiang L, Zhang D, Wang H, Li J, Chen L. Autophagy activated by GR/miR-421-3p/mTOR pathway as a compensatory mechanism participates in chondrodysplasia induced by prenatal caffeine exposure in male fetal rats. Toxicol Lett 2024; 397:141-150. [PMID: 38759937 DOI: 10.1016/j.toxlet.2024.05.010] [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: 01/19/2024] [Revised: 05/01/2024] [Accepted: 05/13/2024] [Indexed: 05/19/2024]
Abstract
Autophagy has been implicated in the developmental toxicity of multiple organs in offspring caused by adverse environmental conditions during pregnancy. We have previously found that prenatal caffeine exposure (PCE) can cause fetal overexposure to maternal glucocorticoids, leading to chondrodysplasia. However, whether autophagy is involved and what role it plays has not been reported. In this study, a PCE rat model was established by gavage of caffeine (120 mg/kg.d) on gestational day 9-20. The results showed that reduced cartilage matrix synthesis in male fetal rats in the PCE group was accompanied by increased autophagy compared to the control group. Furthermore, the expression of mTOR, miR-421-3p, and glucocorticoid receptor (GR) in male fetal rat cartilage of PCE group was increased. At the cellular level, we confirmed that corticosterone inhibited matrix synthesis in fetal chondrocytes while increasing autophagic flux. However, administration of autophagy enhancer (rapamycin) or inhibitor (bafilomycin A1 or 3-methyladenine) partially increased or further decreased aggrecan expression respectively. At the same time, we found that corticosterone could increase the expression of miR-421-3p through GR and target to inhibit the expression of mTOR, thereby enhancing autophagy. In conclusion, PCE can cause chondrodysplasia and autophagy enhancement in male fetal rats. Intrauterine high corticosterone activates GR/miR-421-3p signaling and down-regulates mTOR signaling in fetal chondrocytes, resulting in enhanced autophagy, which can partially compensate for corticosterone-induced fetal chondrodysplasia. This study confirmed the compensatory protective effect of autophagy on the developmental toxicity of fetal cartilage induced by PCE and its epigenetic mechanism, providing novel insights for exploring the early intervention and therapeutic target of fetal-originated osteoarthritis.
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Affiliation(s)
- Hui Han
- Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Huasong Shi
- Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Lingxiao Jiang
- Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Dingmei Zhang
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China
| | - Hui Wang
- Department of Pharmacology, Basic Medical School of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Jing Li
- Department of Pharmacy, Renmin Hospital of Wuhan University, Wuhan 430071, China.
| | - Liaobin Chen
- Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China.
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McDonnell E, Orr SE, Barter MJ, Rux D, Brumwell A, Wrobel N, Murphy L, Overmann LM, Sorial AK, Young DA, Soul J, Rice SJ. Epigenetic mechanisms of osteoarthritis risk in human skeletal development. MEDRXIV : THE PREPRINT SERVER FOR HEALTH SCIENCES 2024:2024.05.05.24306832. [PMID: 38766055 PMCID: PMC11100852 DOI: 10.1101/2024.05.05.24306832] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
The epigenome, including the methylation of cytosine bases at CG dinucleotides, is intrinsically linked to transcriptional regulation. The tight regulation of gene expression during skeletal development is essential, with ~1/500 individuals born with skeletal abnormalities. Furthermore, increasing evidence is emerging to link age-associated complex genetic musculoskeletal diseases, including osteoarthritis (OA), to developmental factors including joint shape. Multiple studies have shown a functional role for DNA methylation in the genetic mechanisms of OA risk using articular cartilage samples taken from aged patients. Despite this, our knowledge of temporal changes to the methylome during human cartilage development has been limited. We quantified DNA methylation at ~700,000 individual CpGs across the epigenome of developing human articular cartilage in 72 samples ranging from 7-21 post-conception weeks, a time period that includes cavitation of the developing knee joint. We identified significant changes in 8% of all CpGs, and >9400 developmental differentially methylated regions (dDMRs). The largest hypermethylated dDMRs mapped to transcriptional regulators of early skeletal patterning including MEIS1 and IRX1. Conversely, the largest hypomethylated dDMRs mapped to genes encoding extracellular matrix proteins including SPON2 and TNXB and were enriched in chondrocyte enhancers. Significant correlations were identified between the expression of these genes and methylation within the hypomethylated dDMRs. We further identified 811 CpGs at which significant dimorphism was present between the male and female samples, with the majority (68%) being hypermethylated in female samples. Following imputation, we captured the genotype of these samples at >5 million variants and performed epigenome-wide methylation quantitative trait locus (mQTL) analysis. Colocalization analysis identified 26 loci at which genetic variants exhibited shared impacts upon methylation and OA genetic risk. This included loci which have been previously reported to harbour OA-mQTLs (including GDF5 and ALDH1A2), yet the majority (73%) were novel (including those mapping to CHST3, FGF1 and TEAD1). To our knowledge, this is the first extensive study of DNA methylation across human articular cartilage development. We identify considerable methylomic plasticity within the development of knee cartilage and report active epigenomic mediators of OA risk operating in prenatal joint tissues.
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Affiliation(s)
- Euan McDonnell
- Computational Biology Facility, University of Liverpool, MerseyBio, Crown Street, United Kingdom
| | - Sarah E Orr
- Biosciences Institute, Newcastle University, Central Parkway, Newcastle upon Tyne, United Kingdom
| | - Matthew J Barter
- Biosciences Institute, Newcastle University, Central Parkway, Newcastle upon Tyne, United Kingdom
| | - Danielle Rux
- Orthopaedic Surgery, UConn Health, Farmington, Connecticut, USA
| | - Abby Brumwell
- Biosciences Institute, Newcastle University, Central Parkway, Newcastle upon Tyne, United Kingdom
| | - Nicola Wrobel
- Edinburgh Clinical Research Facility, University of Edinburgh, Edinburgh, United Kingdom
| | - Lee Murphy
- Edinburgh Clinical Research Facility, University of Edinburgh, Edinburgh, United Kingdom
| | - Lynne M Overmann
- Human Developmental Biology Resource, Newcastle University, International Centre for Life, Central Parkway, Newcastle upon Tyne, United Kingdom
| | - Antony K Sorial
- Biosciences Institute, Newcastle University, Central Parkway, Newcastle upon Tyne, United Kingdom
| | - David A Young
- Biosciences Institute, Newcastle University, Central Parkway, Newcastle upon Tyne, United Kingdom
| | - Jamie Soul
- Institute of Systems, Molecular and Integrative Biology, University of Liverpool, Liverpool, United Kingdom
| | - Sarah J Rice
- Biosciences Institute, Newcastle University, Central Parkway, Newcastle upon Tyne, United Kingdom
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Zhao L, Lai Y, Jiao H, Huang J. Nerve growth factor receptor limits inflammation to promote remodeling and repair of osteoarthritic joints. Nat Commun 2024; 15:3225. [PMID: 38622181 PMCID: PMC11018862 DOI: 10.1038/s41467-024-47633-6] [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: 06/06/2023] [Accepted: 04/08/2024] [Indexed: 04/17/2024] Open
Abstract
Osteoarthritis (OA) is a painful, incurable disease affecting over 500 million people. Recent clinical trials of the nerve growth factor (NGF) inhibitors in OA patients have suggested adverse effects of NGF inhibition on joint structure. Here we report that nerve growth factor receptor (NGFR) is upregulated in skeletal cells during OA and plays an essential role in the remodeling and repair of osteoarthritic joints. Specifically, NGFR is expressed in osteochondral cells but not in skeletal progenitor cells and induced by TNFα to attenuate NF-κB activation, maintaining proper BMP-SMAD1 signaling and suppressing RANKL expression in mice. NGFR deficiency hyper-activates NF-κB in murine osteoarthritic joints, which impairs bone formation and enhances bone resorption as exemplified by a reduction in subchondral bone and osteophytes. In human OA cartilage, NGFR is also negatively associated with NF-κB activation. Together, this study suggests a role of NGFR in limiting inflammation for repair of diseased skeletal tissues.
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Affiliation(s)
- Lan Zhao
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Yumei Lai
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Hongli Jiao
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Jian Huang
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA.
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6
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Loukelis K, Koutsomarkos N, Mikos AG, Chatzinikolaidou M. Advances in 3D bioprinting for regenerative medicine applications. Regen Biomater 2024; 11:rbae033. [PMID: 38845855 PMCID: PMC11153344 DOI: 10.1093/rb/rbae033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2023] [Revised: 03/13/2024] [Accepted: 03/17/2024] [Indexed: 06/09/2024] Open
Abstract
Biofabrication techniques allow for the construction of biocompatible and biofunctional structures composed from biomaterials, cells and biomolecules. Bioprinting is an emerging 3D printing method which utilizes biomaterial-based mixtures with cells and other biological constituents into printable suspensions known as bioinks. Coupled with automated design protocols and based on different modes for droplet deposition, 3D bioprinters are able to fabricate hydrogel-based objects with specific architecture and geometrical properties, providing the necessary environment that promotes cell growth and directs cell differentiation towards application-related lineages. For the preparation of such bioinks, various water-soluble biomaterials have been employed, including natural and synthetic biopolymers, and inorganic materials. Bioprinted constructs are considered to be one of the most promising avenues in regenerative medicine due to their native organ biomimicry. For a successful application, the bioprinted constructs should meet particular criteria such as optimal biological response, mechanical properties similar to the target tissue, high levels of reproducibility and printing fidelity, but also increased upscaling capability. In this review, we highlight the most recent advances in bioprinting, focusing on the regeneration of various tissues including bone, cartilage, cardiovascular, neural, skin and other organs such as liver, kidney, pancreas and lungs. We discuss the rapidly developing co-culture bioprinting systems used to resemble the complexity of tissues and organs and the crosstalk between various cell populations towards regeneration. Moreover, we report on the basic physical principles governing 3D bioprinting, and the ideal bioink properties based on the biomaterials' regenerative potential. We examine and critically discuss the present status of 3D bioprinting regarding its applicability and current limitations that need to be overcome to establish it at the forefront of artificial organ production and transplantation.
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Affiliation(s)
- Konstantinos Loukelis
- Department of Materials Science and Technology, University of Crete, Heraklion 70013, Greece
| | - Nikos Koutsomarkos
- Department of Materials Science and Technology, University of Crete, Heraklion 70013, Greece
| | - Antonios G Mikos
- Department of Bioengineering, Rice University, Houston, TX 77030, USA
| | - Maria Chatzinikolaidou
- Department of Materials Science and Technology, University of Crete, Heraklion 70013, Greece
- Institute of Electronic Structure and Laser (IESL), Foundation for Research and Technology Hellas (FORTH), Heraklion 70013, Greece
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Fang C, Zhu S, Zhong R, Yu G, Lu S, Liu Z, Gao J, Yan C, Wang Y, Feng X. CDKN1A regulation on chondrogenic differentiation of human chondrocytes in osteoarthritis through single-cell and bulk sequencing analysis. Heliyon 2024; 10:e27466. [PMID: 38463824 PMCID: PMC10923839 DOI: 10.1016/j.heliyon.2024.e27466] [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: 10/10/2023] [Revised: 02/28/2024] [Accepted: 02/29/2024] [Indexed: 03/12/2024] Open
Abstract
Objective Chondrocyte death is the hallmark of cartilage degeneration during osteoarthritis (OA). However, the specific pathogenesis of cell death in OA chondrocytes has not been elucidated. This study aims to validate the role of CDKN1A, a key programmed cell death (PCD)-related gene, in chondrogenic differentiation using a combination of single-cell and bulk sequencing approaches. Design OA-related RNA-seq data (GSE114007, GSE55235, GSE152805) were downloaded from Gene Expression Omnibus database. PCD-related genes were obtained from GeneCards database. RNA-seq was performed to annotate the cell types in OA and control samples. Differentially expressed genes (DEGs) among those cell types (scRNA-DEGs) were screened. A nomogram of OA was constructed based on the featured genes, and potential drugs targeting the featured genes were predicted. The presence of key genes was confirmed using Real-Time Quantitative Polymerase Chain Reaction (RT-qPCR), Western blot (WB), and immunohistochemistry (IHC). Micromass culture and Alcian blue staining were used to determine the effect of CDKN1A on chondrogenesis. Results Six cell types, namely HomC, HTC, RepC, preFC, FC, and RegC, were annotated in scRNA-seq data. Five featured genes (JUN, CDKN1A, HMGB2, DDIT3, and DDIT4) were screened by multiple biological information analysis methods. TAXOTERE had the highest ability to dock with DDIT3. Functional analysis indicated that CDKN1A was enriched in processes related to collagen catabolism and acts as a positive regulator of autophagy. Additionally, CDKN1A was found to be associated with several KEGG pathways, including those involved in acute myeloid leukemia and autoimmune thyroid disease. CDKN1A was confirmed down-regulated in the joint tissues of OA mouse model and OA model cell. Inhibiting the expression of CDKN1A can significantly suppress the differentiation of OA chondrocytes. Conclusion Our findings highlight the critical role of CDKN1A in promoting cartilage formation in both in vivo and in vitro and suggest its potential as a therapeutic target for OA treatment.
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Affiliation(s)
- Chao Fang
- Department of Orthopedics, The First Affiliated Hospital of USTC, Hefei, 230001, China
| | - Shanbang Zhu
- Department of Orthopedics, Affiliated Jinling Hospital, Medical School of Nanjing University, No 305 Zhongshandonglu Road, Nanjing, 210002, China
| | - Rui Zhong
- Department of Orthopedics, The First Affiliated Hospital of USTC, Hefei, 230001, China
| | - Gang Yu
- Department of Orthopedics, The First Affiliated Hospital of USTC, Hefei, 230001, China
| | - Shuai Lu
- Department of Orthopedics, The First Affiliated Hospital of USTC, Hefei, 230001, China
| | - Zhilin Liu
- Department of Orthopedics, The First Affiliated Hospital of USTC, Hefei, 230001, China
| | - Jingyu Gao
- Department of Orthopedics, The First Affiliated Hospital of USTC, Hefei, 230001, China
| | - Chengyuan Yan
- Department of Orthopedics, The First Affiliated Hospital of USTC, Hefei, 230001, China
| | - Yingming Wang
- Department of Orthopedics, The First Affiliated Hospital of USTC, Hefei, 230001, China
| | - Xinzhe Feng
- Department of Joint Bone Disease Surgery, Changhai Hospital, Naval Medical University, Shanghai, 200433, China
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8
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Pi P, Zeng L, Zeng Z, Zong K, Han B, Bai X, Wang Y. The role of targeting glucose metabolism in chondrocytes in the pathogenesis and therapeutic mechanisms of osteoarthritis: a narrative review. Front Endocrinol (Lausanne) 2024; 15:1319827. [PMID: 38510704 PMCID: PMC10951080 DOI: 10.3389/fendo.2024.1319827] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Accepted: 02/19/2024] [Indexed: 03/22/2024] Open
Abstract
Osteoarthritis (OA) is a common degenerative joint disease that can affect almost any joint, mainly resulting in joint dysfunction and pain. Worldwide, OA affects more than 240 million people and is one of the leading causes of activity limitation in adults. However, the pathogenesis of OA remains elusive, resulting in the lack of well-established clinical treatment strategies. Recently, energy metabolism alterations have provided new insights into the pathogenesis of OA. Accumulating evidence indicates that glucose metabolism plays a key role in maintaining cartilage homeostasis. Disorders of glucose metabolism can lead to chondrocyte hypertrophy and extracellular matrix degradation, and promote the occurrence and development of OA. This article systematically summarizes the regulatory effects of different enzymes and factors related to glucose metabolism in OA, as well as the mechanism and potential of various substances in the treatment of OA by affecting glucose metabolism. This provides a theoretical basis for a better understanding of the mechanism of OA progression and the development of optimal prevention and treatment strategies.
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Affiliation(s)
- Peng Pi
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
| | - Liqing Zeng
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
| | - Zhipeng Zeng
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
| | - Keqiang Zong
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
- School of Physical Education, Qiqihar University, Heilongjiang, Qiqihar, China
| | - Bing Han
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
| | - Xizhe Bai
- College of Physical Education and Health, East China Normal University, Shanghai, China
| | - Yan Wang
- School of Sports Medicine and Rehabilitation, Beijing Sport University, Beijing, China
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Tang S, Zhang R, Bai H, Shu R, Chen D, He L, Zhou L, Liao Z, Chen M, Pei F, Mao JJ, Shi X. Endogenus chondrocytes immobilized by G-CSF in nanoporous gels enable repair of critical-size osteochondral defects. Mater Today Bio 2024; 24:100933. [PMID: 38283982 PMCID: PMC10819721 DOI: 10.1016/j.mtbio.2023.100933] [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: 05/29/2023] [Revised: 12/19/2023] [Accepted: 12/26/2023] [Indexed: 01/30/2024] Open
Abstract
Injured articular cartilage is a leading cause for osteoarthritis. We recently discovered that endogenous stem/progenitor cells not only reside in the superficial zone of mouse articular cartilage, but also regenerated heterotopic bone and cartilage in vivo. However, whether critical-size osteochondral defects can be repaired by pure induced chemotatic cell homing of these endogenous stem/progenitor cells remains elusive. Here, we first found that cells in the superficial zone of articular cartilage surrounding surgically created 3 × 1 mm defects in explant culture of adult goat and rabbit knee joints migrated into defect-filled fibrin/hylaro1nate gel, and this migration was significantly more robust upon delivery of exogenous granulocyte-colony stimulating factor (G-CSF). Remarkably, G-CSF-recruited chondrogenic progenitor cells (CPCs) showed significantly stronger migration ability than donor-matched chondrocytes and osteoblasts. G-CSF-recruited CPCs robustly differentiated into chondrocytes, modestly into osteoblasts, and barely into adipocytes. In vivo, critical-size osteochondral defects were repaired by G-CSF-recruited endogenous cells postoperatively at 6 and 12 weeks in comparison to poor healing by gel-only group or defect-only group. ICRS and O'Driscoll scores of articular cartilage were significantly higher for both 6- and 12-week G-CSF samples than corresponding gel-only and defect-only groups. Thus, endogenous stem/progenitor cells may be activated by G-CSF, a Food and Drug Administration (FDA)-cleared bone-marrow stimulating factor, to repair osteochondral defects.
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Affiliation(s)
- Shangkun Tang
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Ruinian Zhang
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Hanying Bai
- Center for Craniofacial Regeneration, Columbia University, New York, NY, 10032, USA
| | - Rui Shu
- Center for Craniofacial Regeneration, Columbia University, New York, NY, 10032, USA
- West China School/Hospital of Stomatology, Sichuan University, Chengdu,610041, China
| | - Danying Chen
- Center for Craniofacial Regeneration, Columbia University, New York, NY, 10032, USA
| | - Ling He
- Center for Craniofacial Regeneration, Columbia University, New York, NY, 10032, USA
| | - Ling Zhou
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu, 610041, China
| | - Zheting Liao
- Center for Craniofacial Regeneration, Columbia University, New York, NY, 10032, USA
| | - Mo Chen
- Center for Craniofacial Regeneration, Columbia University, New York, NY, 10032, USA
| | - Fuxing Pei
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
| | - Jeremy J. Mao
- Center for Craniofacial Regeneration, Columbia University, New York, NY, 10032, USA
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
- Department of Pathology and Cell Biology, Columbia University, New York, NY, USA
| | - Xiaojun Shi
- Orthopedic Research Institute, Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, 610041, China
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10
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Koosha E, Brenna CTA, Ashique AM, Jain N, Ovens K, Koike T, Kitagawa H, Eames BF. Proteoglycan inhibition of canonical BMP-dependent cartilage maturation delays endochondral ossification. Development 2024; 151:dev201716. [PMID: 38117077 PMCID: PMC10820745 DOI: 10.1242/dev.201716] [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: 02/17/2023] [Accepted: 11/28/2023] [Indexed: 12/21/2023]
Abstract
During endochondral ossification, chondrocytes secrete a proteoglycan (PG)-rich extracellular matrix that can inhibit the process of cartilage maturation, including expression of Ihh and Col10a1. Because bone morphogenetic proteins (BMPs) can promote cartilage maturation, we hypothesized that cartilage PGs normally inhibit BMP signalling. Accordingly, BMP signalling was evaluated in chondrocytes of wild-type and PG mutant (fam20b-/-) zebrafish and inhibited with temporal control using the drug DMH1 or an inducible dominant-negative BMP receptor transgene (dnBMPR). Compared with wild type, phospho-Smad1/5/9, but not phospho-p38, was increased in fam20b-/- chondrocytes, but only after they secreted PGs. Phospho-Smad1/5/9 was decreased in DMH1-treated or dnBMPR-activated wild-type chondrocytes, and DMH1 also decreased phospho-p38 levels. ihha and col10a1a were decreased in DMH1-treated or dnBMPR-activated chondrocytes, and less perichondral bone formed. Finally, early ihha and col10a1a expression and early perichondral bone formation of fam20b mutants were rescued with DMH1 treatment or dnBMPR activation. Therefore, PG inhibition of canonical BMP-dependent cartilage maturation delays endochondral ossification, and these results offer hope for the development of growth factor therapies for skeletal defects of PG diseases.
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Affiliation(s)
- Elham Koosha
- Department of Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, SK S7N 5E5, Canada
| | - Connor T. A. Brenna
- Department of Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, SK S7N 5E5, Canada
| | - Amir M. Ashique
- Department of Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, SK S7N 5E5, Canada
| | - Niteesh Jain
- Department of Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, SK S7N 5E5, Canada
| | - Katie Ovens
- Department of Computer Science, University of Calgary, Calgary, AB T2N 1N4, Canada
| | - Toshiyasu Koike
- Department of Biochemistry, Kobe Pharmaceutical University, Higashinada-ku, Kobe 658-0003, Japan
| | - Hiroshi Kitagawa
- Department of Biochemistry, Kobe Pharmaceutical University, Higashinada-ku, Kobe 658-0003, Japan
| | - B. Frank Eames
- Department of Anatomy, Physiology, and Pharmacology, University of Saskatchewan, Saskatoon, SK S7N 5E5, Canada
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11
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Zhao L, Lai Y, Jiao H, Huang J. Nerve Growth Factor Receptor Limits Inflammation to Promote Remodeling and Repair of Osteoarthritic Joints. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.21.572937. [PMID: 38187570 PMCID: PMC10769345 DOI: 10.1101/2023.12.21.572937] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Osteoarthritis (OA) is a painful, incurable disease affecting over 500 million people. The need for relieving OA pain is paramount but inadequately addressed, partly due to limited understandings of how pain signaling regulates non-neural tissues. Here we report that nerve growth factor receptor (NGFR) is upregulated in skeletal cells during OA and plays an essential role in the remodeling and repair of osteoarthritic joints. Specifically, NGFR is expressed in osteochondral cells but not in skeletal progenitor cells and induced by TNFα to attenuate NF-κB activation, maintaining proper BMP-SMAD1 signaling and suppressing RANKL expression. NGFR deficiency hyper-activates NF-κB in murine osteoarthritic joints, which impairs bone formation and enhances bone resorption as exemplified by a reduction in subchondral bone and osteophytes. In human OA cartilage, NGFR is also negatively associated with NF-κB activation. Together, this study uncovers a role of NGFR in limiting inflammation for repair of diseased skeletal tissues.
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Affiliation(s)
- Lan Zhao
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
- These authors contributed equally: Lan Zhao, Jian Huang
| | - Yumei Lai
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Hongli Jiao
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
| | - Jian Huang
- Department of Orthopedic Surgery, Rush University Medical Center, Chicago, IL, USA
- These authors contributed equally: Lan Zhao, Jian Huang
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12
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Bourne LE, Hesketh A, Sharma A, Bucca G, Bush PG, Staines KA. The effects of physiological and injurious hydrostatic pressure on murine ex vivo articular and growth plate cartilage explants: an RNAseq study. Front Endocrinol (Lausanne) 2023; 14:1278596. [PMID: 38144567 PMCID: PMC10740163 DOI: 10.3389/fendo.2023.1278596] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/16/2023] [Accepted: 11/20/2023] [Indexed: 12/26/2023] Open
Abstract
Introduction Chondrocytes are continuously exposed to loads placed upon them. Physiological loads are pivotal to the maintenance of articular cartilage health, while abnormal loads contribute to pathological joint degradation. Similarly, the growth plate cartilage is subject to various loads during growth and development. Due to the high-water content of cartilage, hydrostatic pressure is considered one of the main biomechanical influencers on chondrocytes and has been shown to play an important role in the mechano-regulation of cartilage. Methods Herein, we conducted RNAseq analysis of ex vivo hip cap (articular), and metatarsal (growth plate) cartilage cultures subjected to physiological (5 MPa) and injurious (50 MPa) hydrostatic pressure, using the Illumina platform (n = 4 replicates). Results Several hundreds of genes were shown to be differentially modulated by hydrostatic pressure, with the majority of these changes evidenced in hip cap cartilage cultures (375 significantly upregulated and 322 downregulated in 5 MPa versus control; 1022 upregulated and 724 downregulated in 50 MPa versus control). Conversely, fewer genes were differentially affected by hydrostatic pressure in the metatarsal cultures (5 significantly upregulated and 23 downregulated in 5 MPa versus control; 7 significantly upregulated and 19 downregulated in 50 MPa versus control). Using Gene Ontology annotations for Biological Processes, in the hip cap data we identified a number of pathways that were modulated by both physiological and injurious hydrostatic pressure. Pathways upregulated in response to 50 MPa versus control, included those involved in the generation of precursor metabolites and cellular respiration. Biological processes that were downregulated in this tissue included ossification, connective tissue development, and chondrocyte differentiation. Discussion Collectively our data highlights the divergent chondrocyte phenotypes in articular and growth plate cartilage. Further, we show that the magnitude of hydrostatic pressure application has distinct effects on gene expression and biological processes in hip cap cartilage explants. Finally, we identified differential expression of a number of genes that have previously been identified as osteoarthritis risk genes, including Ctsk, and Chadl. Together these data may provide potential genetic targets for future investigations in osteoarthritis research and novel therapeutics.
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Affiliation(s)
- Lucie E. Bourne
- Centre for Lifelong Health, School of Applied Sciences, University of Brighton, Brighton, United Kingdom
| | - Andrew Hesketh
- Centre for Lifelong Health, School of Applied Sciences, University of Brighton, Brighton, United Kingdom
| | - Aikta Sharma
- Department of Mechanical Engineering, University College London, London, United Kingdom
| | - Giselda Bucca
- Centre for Lifelong Health, School of Applied Sciences, University of Brighton, Brighton, United Kingdom
| | - Peter G. Bush
- Centre for Lifelong Health, School of Applied Sciences, University of Brighton, Brighton, United Kingdom
| | - Katherine A. Staines
- Centre for Lifelong Health, School of Applied Sciences, University of Brighton, Brighton, United Kingdom
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13
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Jaswal AP, Kumar B, Roelofs AJ, Iqbal SF, Singh AK, Riemen AHK, Wang H, Ashraf S, Nanasaheb SV, Agnihotri N, De Bari C, Bandyopadhyay A. BMP signaling: A significant player and therapeutic target for osteoarthritis. Osteoarthritis Cartilage 2023; 31:1454-1468. [PMID: 37392862 DOI: 10.1016/j.joca.2023.05.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/17/2022] [Revised: 04/25/2023] [Accepted: 05/18/2023] [Indexed: 07/03/2023]
Abstract
OBJECTIVE To explore the significance of BMP signaling in osteoarthritis (OA) etiology, and thereafter propose a disease-modifying therapy for OA. METHODS To examine the role of the BMP signaling in pathogenesis of OA, an Anterior Cruciate Ligament Transection (ACLT) surgery was performed to incite OA in C57BL/6J mouse line at postnatal day 120 (P120). Thereafter, to investigate whether activation of BMP signaling is necessary and sufficient to induce OA, we have used conditional gain- and loss-of-function mouse lines in which BMP signaling can be activated or depleted, respectively, upon intraperitoneal injection of tamoxifen. Finally, we locally inhibited BMP signaling through intra-articular injection of LDN-193189 pre- and post-onset surgically induced OA. The majority of the investigation has been conducted using micro-CT, histological staining, and immuno histochemistry to assess the disease etiology. RESULTS Upon induction of OA, depletion of SMURF1-an intra-cellular BMP signaling inhibitor in articular cartilage coincided with the activation of BMP signaling, as measured by pSMAD1/5/9 expression. In mouse articular cartilage, the BMP gain-of-function mutation is sufficient to induce OA even without surgery. Further, genetic, or pharmacological BMP signaling suppression also prevented pathogenesis of OA. Interestingly, inflammatory indicators were also significantly reduced upon LDN-193189 intra-articular injection which inhibited BMP signaling and slowed OA progression post onset. CONCLUSION Our findings showed that BMP signaling is crucial to the etiology of OA and inhibiting BMP signaling locally can be a potent strategy for alleviating OA.
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Affiliation(s)
- Akrit Pran Jaswal
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Bhupendra Kumar
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Anke J Roelofs
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Sayeda Fauzia Iqbal
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Amaresh Kumar Singh
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India; The Mehta Family Centre for Engineering in Medicine, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India
| | - Anna H K Riemen
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Hui Wang
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Sadaf Ashraf
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Sanap Vaibhav Nanasaheb
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Nitin Agnihotri
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India
| | - Cosimo De Bari
- Arthritis and Regenerative Medicine Laboratory, Aberdeen Centre for Arthritis and Musculoskeletal Health, Institute of Medical Sciences, University of Aberdeen, Aberdeen AB25 2ZD, UK
| | - Amitabha Bandyopadhyay
- Department of Biological Sciences and Bioengineering, Indian Institute of Technology Kanpur, Kanpur 208016, Uttar Pradesh, India; The Mehta Family Centre for Engineering in Medicine, Indian Institute of Technology Kanpur, Kanpur, Uttar Pradesh, India.
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14
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Zhang Y, Niu Y, Peng Y, Pan X, Wang F. COL3A1, COL5A1 and COL6A2 serve as potential molecular biomarkers for osteoarthritis based on weighted gene co‑expression network analysis bioinformatics analysis. Exp Ther Med 2023; 26:540. [PMID: 37869636 PMCID: PMC10587888 DOI: 10.3892/etm.2023.12239] [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: 05/05/2023] [Accepted: 09/13/2023] [Indexed: 10/24/2023] Open
Abstract
Osteoarthritis (OA) is a non-inflammatory degenerative joint disease, characterized by joint pain and stiffness. The prevalence of OA increases with age. However, the relationship between biomarkers [collagen type III α1 (COL3A1), COL5A1, COL6A2, COL12A1] and OA remains unclear. The OA subchondral bone dataset GSE51588 was downloaded from the GEO database, and the differentially expressed genes (DEGs) were screened. Weighted gene co-expression network analysis was performed, and a protein-protein interaction network was constructed and further analyzed using Cytoscape and STRING. Functional enrichment analysis was performed using Gene Ontology (GO) and Kyoto Encyclopedia of Genes and Genomes (KEGG) analysis, and then Gene Set Enrichment Analysis (GSEA) was used to formulate the molecular functions and pathways based on the results of GO and KEGG analyses. Comparative Toxicogenomics Database and TargetScan were used to identify the hub-gene-related diseases and the microRNAs that regulated the central hub genes. Immunohistochemical staining was performed to confirm the expression of related proteins in OA and non-OA tissue samples. A total of 1,679 DEGs were identified. GO analysis showed that the DEGs were primarily enriched in the process of 'immune system', 'extracellular region', 'secretory granule', 'collagen-containing extracellular matrix', 'ECM-receptor, glycosaminoglycan binding' and 'systemic lupus erythematosus'. The results of GSEA were similar to those of GO and KEGG enrichment terms for DEGs. A total of 25 important modules were generated, and two core gene clusters and seven core genes were obtained (COL6A2, COL5A2, COL12A1, COL5A1, COL6A1, LUM and COL3A1). Core genes were expressed differentially between OA subchondral bone and normal tissue samples. The expression levels of COL3A1, COL5A1 and COL6A2 in OA subchondral bone tissue were higher compared with those in normal tissues, but COL12A1 expression was not significantly increased; all stained markers were highly expressed in surrounding tissues of immunohistochemical staining. In conclusion, COL3A1, COL5A1 and COL6A2 may be potential molecular biomarkers for OA.
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Affiliation(s)
- Yufeng Zhang
- Department of Orthopedic Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
| | - Yingzhen Niu
- Department of Orthopedic Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
| | - Yonggang Peng
- Department of Orthopedic Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
| | - Xueyang Pan
- Department of Tactical Medical Service, Special Medical Service Teaching and Research Section, Army Medical University Non-Commissioned Officer School, Shijiazhuang, Hebei 050051, P.R. China
| | - Fei Wang
- Department of Orthopedic Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, Hebei 050051, P.R. China
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15
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Bauer C, Moser LB, Kern D, Jeyakumar V, Nehrer S. The Combination of Glucocorticoids and Hyaluronic Acid Enhances Efficacy in IL-1β/IL-17-Treated Bovine Osteochondral Grafts Compared with Individual Application. Int J Mol Sci 2023; 24:14338. [PMID: 37762639 PMCID: PMC10531904 DOI: 10.3390/ijms241814338] [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: 08/17/2023] [Revised: 09/14/2023] [Accepted: 09/15/2023] [Indexed: 09/29/2023] Open
Abstract
Patients with knee osteoarthritis often receive glucocorticoid (GC) or hyaluronic acid (HA) injections to alleviate symptoms. This study evaluated the impact of Triamcinolone Hexacetonide (a GC), HA, and a combination of both on bovine osteochondral grafts exposed to IL-1β and IL-17 in an ex vivo culture. Metabolic activity increased with GC treatment. GCs and GCs/HA counteracted cytokine effects, with gene expressions similar to untreated controls, while HA alone did not. However, HA improved the coefficient of friction after two weeks. The highest friction values were observed in GC-containing and cytokine-treated groups. Cytokine treatment reduced tissue proteoglycan content, which HA could mitigate, especially in the GC/HA combination. This combo also effectively controlled proteoglycan release, supported by reduced sGAG release. Cytokine treatment led to surface cell death, while GCs, HA, or their combination showed protective effects against inflammation. The GC/HA combination had the best overall results, suggesting its potential as a superior treatment option for osteoarthritis.
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Affiliation(s)
- Christoph Bauer
- Center for Regenerative Medicine, University for Continuing Education Krems, 3500 Krems, Austria
| | - Lukas B. Moser
- Department of Orthopedics, University Hospital Krems, 3500 Krems, Austria
| | - Daniela Kern
- Center for Regenerative Medicine, University for Continuing Education Krems, 3500 Krems, Austria
| | - Vivek Jeyakumar
- Center for Regenerative Medicine, University for Continuing Education Krems, 3500 Krems, Austria
| | - Stefan Nehrer
- Center for Regenerative Medicine, University for Continuing Education Krems, 3500 Krems, Austria
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16
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Ruscitto A, Chen P, Tosa I, Wang Z, Zhou G, Safina I, Wei R, Morel MM, Koch A, Forman M, Reeve G, Lecholop MK, Wilson M, Bonthius D, Chen M, Ono M, Wang TC, Yao H, Embree MC. Lgr5-expressing secretory cells form a Wnt inhibitory niche in cartilage critical for chondrocyte identity. Cell Stem Cell 2023; 30:1179-1198.e7. [PMID: 37683603 PMCID: PMC10790417 DOI: 10.1016/j.stem.2023.08.004] [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: 07/29/2022] [Revised: 06/06/2023] [Accepted: 08/07/2023] [Indexed: 09/10/2023]
Abstract
Osteoarthritis is a degenerative joint disease that causes pain, degradation, and dysfunction. Excessive canonical Wnt signaling in osteoarthritis contributes to chondrocyte phenotypic instability and loss of cartilage homeostasis; however, the regulatory niche is unknown. Using the temporomandibular joint as a model in multiple species, we identify Lgr5-expressing secretory cells as forming a Wnt inhibitory niche that instruct Wnt-inactive chondroprogenitors to form the nascent synovial joint and regulate chondrocyte lineage and identity. Lgr5 ablation or suppression during joint development, aging, or osteoarthritis results in depletion of Wnt-inactive chondroprogenitors and a surge of Wnt-activated, phenotypically unstable chondrocytes with osteoblast-like properties. We recapitulate the cartilage niche and create StemJEL, an injectable hydrogel therapy combining hyaluronic acid and sclerostin. Local delivery of StemJEL to post-traumatic osteoarthritic jaw and knee joints in rabbit, rat, and mini-pig models restores cartilage homeostasis, chondrocyte identity, and joint function. We provide proof of principal that StemJEL preserves the chondrocyte niche and alleviates osteoarthritis.
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Affiliation(s)
- Angela Ruscitto
- Cartilage Biology and Regenerative Medicine Laboratory, Section of Growth and Development, Division of Orthodontics, College of Dental Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA; Columbia Stem Cell Initiative, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Peng Chen
- Clemson University-Medical University of South Carolina Joint Bioengineering Program, Department of Bioengineering, Clemson University, Clemson, SC 29634, USA; Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Ikue Tosa
- Cartilage Biology and Regenerative Medicine Laboratory, Section of Growth and Development, Division of Orthodontics, College of Dental Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA; Columbia Stem Cell Initiative, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Ziyi Wang
- Department of Molecular Biology and Biochemistry, Okayama University Graduate, School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 7008525, Japan
| | - Gan Zhou
- Cartilage Biology and Regenerative Medicine Laboratory, Section of Growth and Development, Division of Orthodontics, College of Dental Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA; Columbia Stem Cell Initiative, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Ingrid Safina
- Cartilage Biology and Regenerative Medicine Laboratory, Section of Growth and Development, Division of Orthodontics, College of Dental Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Ran Wei
- Cartilage Biology and Regenerative Medicine Laboratory, Section of Growth and Development, Division of Orthodontics, College of Dental Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Mallory M Morel
- Cartilage Biology and Regenerative Medicine Laboratory, Section of Growth and Development, Division of Orthodontics, College of Dental Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Alia Koch
- Section of Hospital Dentistry, Division of Oral & Maxillofacial Surgery, College of Dental Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Michael Forman
- Section of Hospital Dentistry, Division of Oral & Maxillofacial Surgery, College of Dental Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Gwendolyn Reeve
- Division of Oral and Maxillofacial Surgery, New York Presbyterian Weill Cornell Medicine, New York, NY 10065, USA
| | - Michael K Lecholop
- Department of Oral and Maxillofacial Surgery, College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Marshall Wilson
- Clemson University-Medical University of South Carolina Joint Bioengineering Program, Department of Bioengineering, Clemson University, Clemson, SC 29634, USA; Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Daniel Bonthius
- Clemson University-Medical University of South Carolina Joint Bioengineering Program, Department of Bioengineering, Clemson University, Clemson, SC 29634, USA; Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Mo Chen
- Wnt Scientific, LLC, Harlem Biospace, New York, NY 10027, USA
| | - Mitsuaki Ono
- Department of Molecular Biology and Biochemistry, Okayama University Graduate, School of Medicine, Dentistry and Pharmaceutical Sciences, Okayama 7008525, Japan; Department of Oral Rehabilitation and Implantology, Okayama University Hospital, Okayama 7008525, Japan
| | - Timothy C Wang
- Columbia Stem Cell Initiative, Columbia University Irving Medical Center, New York, NY 10032, USA; Division of Digestive and Liver Diseases, Department of Medicine, College of Physicians and Surgeons, Columbia University Irving Medical Center, New York, NY 10032, USA
| | - Hai Yao
- Clemson University-Medical University of South Carolina Joint Bioengineering Program, Department of Bioengineering, Clemson University, Clemson, SC 29634, USA; Department of Oral Health Sciences, College of Dental Medicine, Medical University of South Carolina, Charleston, SC 29425, USA
| | - Mildred C Embree
- Cartilage Biology and Regenerative Medicine Laboratory, Section of Growth and Development, Division of Orthodontics, College of Dental Medicine, Columbia University Irving Medical Center, New York, NY 10032, USA; Columbia Stem Cell Initiative, Columbia University Irving Medical Center, New York, NY 10032, USA.
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17
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Chan B, Glogauer M, Wang Y, Wrana J, Chan K, Beier F, Bali S, Hinz B, Parreno J, Ashraf S, Kandel R. Adseverin, an actin-binding protein, modulates hypertrophic chondrocyte differentiation and osteoarthritis progression. SCIENCE ADVANCES 2023; 9:eadf1130. [PMID: 37540756 PMCID: PMC10403223 DOI: 10.1126/sciadv.adf1130] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 07/06/2023] [Indexed: 08/06/2023]
Abstract
In osteoarthritis (OA), a disease characterized by progressive articular cartilage degradation and calcification, the articular chondrocyte phenotype changes and this correlates with actin cytoskeleton alterations suggesting that it regulates gene expression essential for proper phenotype. This study reports that OA is associated with the loss of adseverin, an actin capping and severing protein. Adseverin deletion (Adseverin-/-) in mice compromised articular chondrocyte function, by reducing F-actin and aggrecan expression and increasing apoptosis, Indian hedgehog, Runx2, MMP13, and collagen type X expression, and cell proliferation. This led to stiffer cartilage and decreased hyaline and increased calcified cartilage thickness. Together, these changes predisposed the articular cartilage to enhanced OA severity in Adseverin-/- mice who underwent surgical induction of OA. Adseverin-/- chondrocyte RNA sequencing and in vitro studies together suggests that adseverin modulates cell viability and prevents mineralization. Thus, adseverin maintains articular chondrocyte phenotype and cartilage tissue homeostasis by preventing progression to hypertrophic differentiation in vivo. Adseverin may be chondroprotective and a potential therapeutic target.
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Affiliation(s)
- Byron Chan
- Lunenfeld-Tanenbaum Research Institute, Toronto, ON, Canada
- Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
| | - Michael Glogauer
- Faculty of Dentistry, University of Toronto, Toronto, ON, Canada
| | - Yongqiang Wang
- Faculty of Dentistry, University of Toronto, Toronto, ON, Canada
| | - Jeffrey Wrana
- Lunenfeld-Tanenbaum Research Institute, Toronto, ON, Canada
| | - Kin Chan
- Lunenfeld-Tanenbaum Research Institute, Toronto, ON, Canada
| | - Frank Beier
- Department of Physiology and Pharmacology, Western University, London, ON, Canada
| | - Supinder Bali
- Department of Physiology and Pharmacology, Western University, London, ON, Canada
| | - Boris Hinz
- Faculty of Dentistry, University of Toronto, Toronto, ON, Canada
- Laboratory of Tissue Repair and Regeneration, Keenan Research Centre for Biomedical Science of the St. Michael’s Hospital, Toronto, ON, Canada
| | - Justin Parreno
- Department of Biological Sciences, University of Delaware, Newark, DE, USA
| | - Sajjad Ashraf
- Lunenfeld-Tanenbaum Research Institute, Toronto, ON, Canada
| | - Rita Kandel
- Lunenfeld-Tanenbaum Research Institute, Toronto, ON, Canada
- Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada
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18
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Cui Y, Miao MZ, Wang M, Su QP, Qiu K, Arbeeva L, Chubinskaya S, Diekman BO, Loeser RF. Yes-associated protein nuclear translocation promotes anabolic activity in human articular chondrocytes. Osteoarthritis Cartilage 2023; 31:1078-1090. [PMID: 37100374 PMCID: PMC10524185 DOI: 10.1016/j.joca.2023.04.006] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/11/2022] [Revised: 03/27/2023] [Accepted: 04/06/2023] [Indexed: 04/28/2023]
Abstract
OBJECTIVE Yes-associated protein (YAP) has been widely studied as a mechanotransducer in many cell types, but its function in cartilage is controversial. The aim of this study was to identify the effect of YAP phosphorylation and nuclear translocation on the chondrocyte response to stimuli relevant to osteoarthritis (OA). DESIGN Cultured normal human articular chondrocytes from 81 donors were treated with increased osmolarity media as an in vitro model of mechanical stimulation, fibronectin fragments (FN-f) or IL-1β as catabolic stimuli, and IGF-1 as an anabolic stimulus. YAP function was assessed with gene knockdown and inhibition by verteporfin. Nuclear translocation of YAP and its transcriptional co-activator TAZ and site-specific YAP phosphorylation were determined by immunoblotting. Immunohistochemistry and immunofluorescence to detect YAP were performed on normal and OA human cartilage with different degrees of damage. RESULTS Chondrocyte YAP/TAZ nuclear translocation increased under physiological osmolarity (400 mOsm) and IGF-1 stimulation, which was associated with YAP phosphorylation at Ser128. In contrast, catabolic stimulation decreased the levels of nuclear YAP/TAZ through YAP phosphorylation at Ser127. Following YAP inhibition, anabolic gene expression and transcriptional activity decreased. Additionally, YAP knockdown reduced proteoglycan staining and levels of type II collagen. Total YAP immunostaining was greater in OA cartilage, but YAP was sequestered in the cytosol in cartilage areas with more severe damage. CONCLUSIONS YAP chondrocyte nuclear translocation is regulated by differential phosphorylation in response to anabolic and catabolic stimuli. Decreased nuclear YAP in OA chondrocytes may contribute to reduced anabolic activity and promotion of further cartilage loss.
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Affiliation(s)
- Y Cui
- Xiangya International Medical Center, Xiangya Hospital, Central South University, Changsha, Hunan Province, 410008, China; Thurston Arthritis Research Center, University of North Carolina School of Medicine, Chapel Hill, NC, 27599, USA.
| | - M Z Miao
- Thurston Arthritis Research Center, University of North Carolina School of Medicine, Chapel Hill, NC, 27599, USA; Division of Oral & Craniofacial Health Sciences, University of North Carolina Adams School of Dentistry, Chapel Hill, NC, 27599, USA.
| | - M Wang
- Division of Pharmacoengineering and Molecular Pharmaceutics, University of North Carolina Eshelman School of Pharmacy, Chapel Hill, NC, 27599, USA.
| | - Q P Su
- School of Biomedical Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney, Sydney, NSW, 2007, Australia.
| | - K Qiu
- Division of Pharmacoengineering and Molecular Pharmaceutics, University of North Carolina Eshelman School of Pharmacy, Chapel Hill, NC, 27599, USA.
| | - L Arbeeva
- Thurston Arthritis Research Center, University of North Carolina School of Medicine, Chapel Hill, NC, 27599, USA.
| | - S Chubinskaya
- Department of Pediatrics, Rush University Medical Center, Chicago, IL, 60612, USA.
| | - B O Diekman
- Thurston Arthritis Research Center, University of North Carolina School of Medicine, Chapel Hill, NC, 27599, USA; Joint Department of Biomedical Engineering, University of North Carolina at Chapel Hill and North Carolina State University, Raleigh, NC, 27599, USA.
| | - R F Loeser
- Thurston Arthritis Research Center, University of North Carolina School of Medicine, Chapel Hill, NC, 27599, USA.
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19
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Mendoza-Torreblanca JG, Cárdenas-Rodríguez N, Carro-Rodríguez J, Contreras-García IJ, Garciadiego-Cázares D, Ortega-Cuellar D, Martínez-López V, Alfaro-Rodríguez A, Evia-Ramírez AN, Ignacio-Mejía I, Vargas-Hernández MA, Bandala C. Antiangiogenic Effect of Dopamine and Dopaminergic Agonists as an Adjuvant Therapeutic Option in the Treatment of Cancer, Endometriosis, and Osteoarthritis. Int J Mol Sci 2023; 24:10199. [PMID: 37373348 DOI: 10.3390/ijms241210199] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Dopamine (DA) and dopamine agonists (DA-Ag) have shown antiangiogenic potential through the vascular endothelial growth factor (VEGF) pathway. They inhibit VEGF and VEGF receptor 2 (VEGFR 2) functions through the dopamine receptor D2 (D2R), preventing important angiogenesis-related processes such as proliferation, migration, and vascular permeability. However, few studies have demonstrated the antiangiogenic mechanism and efficacy of DA and DA-Ag in diseases such as cancer, endometriosis, and osteoarthritis (OA). Therefore, the objective of this review was to describe the mechanisms of the antiangiogenic action of the DA-D2R/VEGF-VEGFR 2 system and to compile related findings from experimental studies and clinical trials on cancer, endometriosis, and OA. Advanced searches were performed in PubMed, Web of Science, SciFinder, ProQuest, EBSCO, Scopus, Science Direct, Google Scholar, PubChem, NCBI Bookshelf, DrugBank, livertox, and Clinical Trials. Articles explaining the antiangiogenic effect of DA and DA-Ag in research articles, meta-analyses, books, reviews, databases, and clinical trials were considered. DA and DA-Ag have an antiangiogenic effect that could reinforce the treatment of diseases that do not yet have a fully curative treatment, such as cancer, endometriosis, and OA. In addition, DA and DA-Ag could present advantages over other angiogenic inhibitors, such as monoclonal antibodies.
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Affiliation(s)
| | - Noemi Cárdenas-Rodríguez
- Laboratorio de Neurociencias, Subdirección de Medicina Experimental, Instituto Nacional de Pediatría, Mexico City 04530, Mexico
| | - Jazmín Carro-Rodríguez
- Laboratorio de Medicina Traslacional Aplicada a Neurociencias, Enfermedades Crónicas y Emergentes, Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico City 11340, Mexico
| | - Itzel Jatziri Contreras-García
- Laboratorio de Biología de la Reproducción, Subdirección de Medicina Experimental, Instituto Nacional de Pediatría, Mexico City 04530, Mexico
| | - David Garciadiego-Cázares
- Unidad de Ingeniería de Tejidos, Terapia Celular y Medicina Regenerativa, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Mexico City 14389, Mexico
| | - Daniel Ortega-Cuellar
- Laboratorio Nutrición Experimental, Instituto Nacional de Pediatría, Secretaría de Salud, Mexico City 04530, Mexico
| | - Valentín Martínez-López
- Unidad de Ingeniería de Tejidos, Terapia Celular y Medicina Regenerativa, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Mexico City 14389, Mexico
| | - Alfonso Alfaro-Rodríguez
- Neurociencias Básicas, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Secretaría de Salud, Mexico City 14389, Mexico
| | - Alberto Nayib Evia-Ramírez
- Servicio de Reconstrucción Articular, Cadera y Rodilla, Instituto Nacional de Rehabilitación Luis Guillermo Ibarra Ibarra, Mexico City 14389, Mexico
| | - Iván Ignacio-Mejía
- Laboratorio de Medicina Traslacional, Escuela Militar de Graduados de Sanidad, Mexico City 11200, Mexico
| | | | - Cindy Bandala
- Laboratorio de Medicina Traslacional Aplicada a Neurociencias, Enfermedades Crónicas y Emergentes, Escuela Superior de Medicina, Instituto Politécnico Nacional, Mexico City 11340, Mexico
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20
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Kehayova YS, Wilkinson JM, Rice SJ, Loughlin J. Mediation of the Same Epigenetic and Transcriptional Effect by Independent Osteoarthritis Risk-Conferring Alleles on a Shared Target Gene, COLGALT2. Arthritis Rheumatol 2023; 75:910-922. [PMID: 36538011 PMCID: PMC10952352 DOI: 10.1002/art.42427] [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: 09/19/2022] [Revised: 11/14/2022] [Accepted: 12/15/2022] [Indexed: 12/24/2022]
Abstract
OBJECTIVE Over 100 DNA variants have been associated with osteoarthritis (OA), including rs1046934, located within a linkage disequilibrium block encompassing part of COLGALT2 and TSEN15. The present study was undertaken to determine the target gene(s) and the mechanism of action of the OA locus using human fetal cartilage, cartilage from OA and femoral neck fracture arthroplasty patients, and a chondrocyte cell model. METHODS Genotyping and methylation array data of DNA from human OA cartilage samples (n = 87) were used to determine whether the rs1046934 genotype is associated with differential DNA methylation at proximal CpGs. Results were replicated in DNA from human arthroplasty (n = 132) and fetal (n = 77) cartilage samples using pyrosequencing. Allelic expression imbalance (AEI) measured the effects of genotype on COLGALT2 and TSEN15 expression. Reporter gene assays and epigenetic editing determined the functional role of regions harboring differentially methylated CpGs. In silico analyses complemented these experiments. RESULTS Three differentially methylated CpGs residing within regulatory regions were detected in the human OA cartilage array data, and 2 of these were replicated in human arthroplasty and fetal cartilage. AEI was detected for COLGALT2 and TSEN15, with associations between expression and methylation for COLGALT2. Reporter gene assays confirmed that the CpGs are in chondrocyte enhancers, with epigenetic editing results directly linking methylation with COLGALT2 expression. CONCLUSION COLGALT2 is a target of this OA locus. We previously characterized another OA locus, marked by rs11583641, that independently targets COLGALT2. The genotype of rs1046934, like rs11583641, mediates its effect by modulating expression of COLGALT2 via methylation changes to CpGs located in enhancers. Although the single-nucleotide polymorphisms, CpGs, and enhancers are distinct between the 2 independent OA risk loci, their effect on COLGALT2 is the same. COLGALT2 is the target of independent OA risk loci sharing a common mechanism of action.
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Affiliation(s)
| | - J. Mark Wilkinson
- Department of Oncology and MetabolismUniversity of SheffieldSheffieldUK
| | - Sarah J. Rice
- Biosciences Institute, Newcastle UniversityNewcastle upon TyneUK
| | - John Loughlin
- Biosciences Institute, Newcastle UniversityNewcastle upon TyneUK
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21
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Yassin AM, AbuBakr HO, Abdelgalil AI, Farid OA, El-Behairy AM, Gouda EM. Circulating miR-146b and miR-27b are efficient biomarkers for early diagnosis of Equidae osteoarthritis. Sci Rep 2023; 13:7966. [PMID: 37198318 DOI: 10.1038/s41598-023-35207-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2022] [Accepted: 05/14/2023] [Indexed: 05/19/2023] Open
Abstract
One of the most orthopedic problems seen in the equine is osteoarthritis (OA). The present study tracks some biochemical, epigenetic, and transcriptomic factors along different stages of monoiodoacetate (MIA) induced OA in donkeys in serum and synovial fluid. The aim of the study was the detection of sensitive noninvasive early biomarkers. OA was induced by a single intra-articular injection of 25 mg of MIA into the left radiocarpal joint of nine donkeys. Serum and synovial samples were taken at zero-day and different intervals for assessment of total GAGs and CS levels as well as miR-146b, miR-27b, TRAF-6, and COL10A1 gene expression. The results showed that the total GAGs and CS levels increased in different stages of OA. The level of expression of both miR-146b and miR-27b were upregulated as OA progressed and then downregulated at late stages. TRAF-6 gene was upregulated at the late stage while synovial fluid COL10A1 was over-expressed at the early stage of OA and then decreased at the late stages (P < 0.05). In conclusion, both miR-146b and miR-27b together with COL10A1 could be used as promising noninvasive biomarkers for the very early diagnosis of OA.
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Affiliation(s)
- Aya M Yassin
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt.
| | - Huda O AbuBakr
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Ahmed I Abdelgalil
- Department of Surgery, Anesthesiology, and Radiology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Omar A Farid
- Department of Physiology, National Organization for Drug Control and Research, Giza, Egypt
| | - Adel M El-Behairy
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
| | - Eman M Gouda
- Department of Biochemistry and Molecular Biology, Faculty of Veterinary Medicine, Cairo University, Giza, 12211, Egypt
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22
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Guo D, Kan S, Zhang L, Niu Z, Duan M, Liu Y, Pu X, Bai M, Pi C, Zhang D, Zhou C, Xie J. IL-10 enhances cell-to-cell communication in chondrocytes via STAT3 signaling pathway. Cell Signal 2023; 105:110605. [PMID: 36681291 DOI: 10.1016/j.cellsig.2023.110605] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Revised: 01/05/2023] [Accepted: 01/16/2023] [Indexed: 01/20/2023]
Abstract
Gap junction intercellular communication (GJIC) allows the transfer of material, message and energy between cells, which influences cell behaviors including cell proliferation, migration, differentiation and apoptosis and determines cell fate. Interleukin-10 (IL-10), a versatile cytokine, attracts more and more attention in the cartilage pathology such as osteoarthritis (OA) due to its potential in anti-inflammation and wound repair. However, whether IL-10 can mediate GJIC in chondrocytes remains elusive. In the current study, we aimed to explore the role of IL-10 on GJIC and its underlying mechanism. We found that IL-10 can promote GJIC in living chondrocytes. IL-10-enhanced GJIC in chondrocytes was dependent on the up-regulation of connexin 43 (Cx43). Knockdown experiment based on siRNA interference then confirmed that IL-10-enhanced GJIC required participation of IL-10 receptor 1 (IL-10R1). IL-10 activated signal transducer and activator of transcription 3 (STAT3) signaling and promoted the nuclear accumulation of p-STAT3 through IL-10 receptor 1. Inhibitor experiment further confirmed the importance of STAT3 signaling in IL-10-mediated GJIC. Taking together, our results provided a thorough process of IL-10-modulated cell-to-cell communication in chondrocytes and established a bridge between inflammatory factor, IL-10, and GJIC, which can increase our understanding about the physiology and pathology of cartilage.
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Affiliation(s)
- Daimo Guo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Shiyi Kan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Li Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhixing Niu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Mengmeng Duan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Yang Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Xiaohua Pu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Mingru Bai
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Caixia Pi
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Demao Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Chenchen Zhou
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Jing Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.
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23
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Liu Z, Hu S, Wu J, Quan X, Shen C, Li Z, Yuan X, Li X, Yu C, Wang T, Yao X, Sun X, Nie M. Deletion of DYRK1A Accelerates Osteoarthritis Progression Through Suppression of EGFR-ERK Signaling. Inflammation 2023:10.1007/s10753-023-01813-6. [PMID: 37036562 DOI: 10.1007/s10753-023-01813-6] [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: 11/30/2022] [Revised: 02/28/2023] [Accepted: 03/30/2023] [Indexed: 04/11/2023]
Abstract
Dual-specificity tyrosine phosphorylation regulated kinase 1A (DYRK1A) signaling is involved in the dynamic balance of catabolism and anabolism in articular chondrocytes. This study aimed to investigate the roles and mechanism of DYRK1A in the pathogenesis of osteoarthritis (OA). The expressions of DYRK1A and its downstream signal epidermal growth factor receptor (EGFR) were detected in the cartilage of adult wild-type mice with destabilized medial meniscus (DMM) and articular cartilage of patients with OA. We measured the progression of osteoarthritis in chondrocyte-specific knockout DYRK1A(DYRK1A-cKO) mice after DMM surgery. Knee cartilage was histologically scored and assessed the effects of DYRK1A deletion on chondrocyte catabolism and anabolism. The effect of inhibiting EGFR signaling in chondrocytes from DYRK1A-cKO mice was analyzed. Trauma-induced OA mice and OA patients showed downregulation of DYRK1A and EGFR signaling pathways. Conditional DYRK1A deletion aggravates DMM-induced cartilage degeneration, reduces the thickness of the superficial cartilage, and increases the number of hypertrophic chondrocytes. The expression of collagen type II, p-ERK, and aggrecan was also downregulated, and the expression of collagen type X was upregulated in the articular cartilage of these mice. Our findings suggest that DYRK1A delays the progression of knee osteoarthritis in mice, at least in part, by maintaining EGFR-ERK signaling in articular chondrocytes.
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Affiliation(s)
- Zhibo Liu
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Yuzhong District, 76 Linjiang Road, Chongqing, People's Republic of China
| | - Shidong Hu
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Yuzhong District, 76 Linjiang Road, Chongqing, People's Republic of China
| | - Jiangping Wu
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Yuzhong District, 76 Linjiang Road, Chongqing, People's Republic of China
| | - Xiaolin Quan
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Yuzhong District, 76 Linjiang Road, Chongqing, People's Republic of China
| | - Chen Shen
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Yuzhong District, 76 Linjiang Road, Chongqing, People's Republic of China
| | - Zhi Li
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Yuzhong District, 76 Linjiang Road, Chongqing, People's Republic of China
| | - Xin Yuan
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Yuzhong District, 76 Linjiang Road, Chongqing, People's Republic of China
| | - Xiangwei Li
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Yuzhong District, 76 Linjiang Road, Chongqing, People's Republic of China
| | - Chao Yu
- Department of Orthopaedic Surgery, The University-Town Hospital of Chongqing Medical University, Chongqing, People's Republic of China
| | - Ting Wang
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Yuzhong District, 76 Linjiang Road, Chongqing, People's Republic of China
| | - Xudong Yao
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Yuzhong District, 76 Linjiang Road, Chongqing, People's Republic of China
| | - Xianding Sun
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Yuzhong District, 76 Linjiang Road, Chongqing, People's Republic of China
| | - Mao Nie
- Center for Joint Surgery, Department of Orthopedic Surgery, The Second Affiliated Hospital of Chongqing Medical University, Yuzhong District, 76 Linjiang Road, Chongqing, People's Republic of China.
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24
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Lü G, Wu R, Wang B, Li L, Li Y, Li X, He H, Wang X, Kuang L. SPTLC2 ameliorates chondrocyte dysfunction and extracellular matrix metabolism disturbance in vitro and in vivo in osteoarthritis. Exp Cell Res 2023; 425:113524. [PMID: 36828166 DOI: 10.1016/j.yexcr.2023.113524] [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: 08/30/2022] [Revised: 02/09/2023] [Accepted: 02/21/2023] [Indexed: 02/24/2023]
Abstract
Disturbances in chondrocyte extracellular matrix (ECM) metabolism in osteoarthritis (OA) are a major cause of OA and potentially lead to personal disability, placing a huge burden on society. Chondrocyte apoptosis and ECM catabolism have a major role in the OA process. Firstly, bioinformatics analysis was performed to screen differentially expressed genes (DEGs) in OA, and serine palmitoyltransferase subunit 2 (SPTLC2) was chosen, which had high-level expression in the OA cartilage tissues and OA chondrocytes. Overexpression and knockdown of SPTLC2 were achieved in OA chondrocytes and normal chondrocytes respectively to study the effect of SPTLC2 upon ECM metabolism of chondrocytes. Cell viability and apoptosis were measured using MTT and flow cytometry analyses; SPTLC2 overexpression enhanced the OA chondrocyte viability and decreased apoptotic rate. In addition, Western blot detection of ECM-related factors (Collagen I, Collage II, MMP-1, MMP-3, and MMP-13) revealed that SPTLC2 overexpression promoted the expression of collagens (Collagen I and Collage II) and suppressed matrix metalloproteinase (MMP-1, MMP-3, and MMP-13) level. In contrast, SPTLC2 knockdown in normal chondrocytes showed opposite effects on cell viability, apoptosis, and ECM degeneration. The articular cartilage of OA rats was transfected with lentivirus overexpressing SPTLC2; HE and Safranin-O fast green demonstrated that SPTLC2 overexpression could alleviate chondrocyte injuries and slow down the development of OA. In conclusion, SPTLC2 plays a role in OA and may be a potential target gene for the treatment of OA.
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Affiliation(s)
- Guohua Lü
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Ren Wu
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Bing Wang
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Lei Li
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Yunchao Li
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Xinyi Li
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Haoyu He
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Xiaoxiao Wang
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China
| | - Lei Kuang
- Department of Spinal Surgery, The Second Xiangya Hospital of Central South University, Changsha, 410011, China; Department of Orthopaedics, The Second Xiangya Hospital of Central South University, China.
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25
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Sun K, Guo Z, Zhang J, Hou L, Liang S, Lu F, Wang G, Xu J, Zhang X, Guo F, Zhu W. Inhibition of TRADD ameliorates chondrocyte necroptosis and osteoarthritis by blocking RIPK1-TAK1 pathway and restoring autophagy. Cell Death Discov 2023; 9:109. [PMID: 37002200 PMCID: PMC10066284 DOI: 10.1038/s41420-023-01406-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Revised: 03/21/2023] [Accepted: 03/21/2023] [Indexed: 04/03/2023] Open
Abstract
Osteoarthritis (OA) is an age-related disease characterized by cartilage degeneration. TNFR1-associated death domain protein (TRADD) is a key upstream molecule of TNF-α signals but its role in OA pathogenesis is unknown. This study aimed to verify that whether inhibition of TRADD could protect against chondrocyte necroptosis and OA, and further elucidate the underlying mechanism. We demonstrated that TNF-α-related OA-like phenotypes including inflammation response, extracellular matrix degradation, apoptosis, and necroptosis in chondrocytes were inhibited by TRADD deficiency. Furthermore, TRADD interacted with TRAF2 and knockdown of TRADD suppressed the activation of RIPK1-TAK1-NF-κB signals and restored impaired autophagy. ICCB-19, the selective inhibitor of TRADD, also attenuated necroptosis in chondrocytes. Mechanismly, ICCB-19 blocked the phosphorylation of TAK1-NF-κB signals and restored impaired autophagy, whereas inhibiting autophagic process with 3-Methyladenine compromised these effects of ICCB-19. The in vivo study showed that the intra-articular injection of ICCB-19 rescued the expression of collagen alpha-1(II) chain and LC3, and mitigated the cartilage degeneration of OA mice. This study demonstrates that TRADD mediates TNF-α-induced necroptosis and OA-like phenotypes of chondrocytes and suggests that ICCB-19 suppresses chondrocyte damage and cartilage degeneration by inhibiting TNF-α-TRADD-mediated signals and dysregulation of autophagy in chondrocytes. ICCB-19 may serve as an important option for OA therapy.
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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
| | - Zhou Guo
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Jinming Zhang
- 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
| | - Shuang Liang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Fan Lu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Genchun Wang
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Jingting Xu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China
| | - Xiong Zhang
- 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.
| | - Wentao Zhu
- Department of Orthopedics, Tongji Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, Hubei, 430030, China.
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26
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Gu H, Li B, Liu L, Li X, Wang H, Chen L. Stage-, dose-, and course-dependent inhibition of prenatal amoxicillin exposure on fetal articular cartilage development in fetal mice. Toxicol Appl Pharmacol 2023; 463:116429. [PMID: 36796495 DOI: 10.1016/j.taap.2023.116429] [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: 10/13/2022] [Revised: 01/20/2023] [Accepted: 02/12/2023] [Indexed: 02/16/2023]
Abstract
Amoxicillin is widely used in the treatment of infectious diseases during pregnancy; however, the effects of prenatal amoxicillin exposure (PAE) on fetal development remain largely unknown. Therefore, this study aimed to investigate the toxic effects of PAE on fetal cartilage at different stage-, dose-, and course. Pregnant Kunming mice were orally administered 300 mg/kg·d (converted from clinical dose) amoxicillin on gestational days (GD) 10-12 or 16-18 (mid or late pregnancy stage), 150 or 300 mg/kg.d amoxicillin on GD16-18 (different doses), 300 mg/kg·d amoxicillin on GD16 (single course) or 16-18 (multiple courses), respectively. The fetal articular cartilage of the knee was collected on GD18. The number of chondrocytes and the expression of matrix synthesis/degradation, proliferation/apoptosis-related markers, and the TGF-β signaling pathway were detected. The results showed that the number of chondrocytes and the expression of matrix synthesis markers were reduced in male fetal mice treated with PAE (GD16-18, 300 mg/kg.d, single course and multiple courses), whereas the above indices in female mice showed no changes. The inhibited expression of PCNA, increased expression of Caspase-3, and down-regulated expression of the TGF-β signaling pathway were found in male PAE fetal mice. Accordingly, PAE exerted its "toxic effect window" on the knee cartilage development in male fetal mice, which manifested as reduced chondrocyte number and inhibited expression of matrix synthesis at a clinical dose of multiple courses in the late pregnancy stage. This study provides a theoretical and experimental basis for elucidating the risk of chondrodevelopmental toxicity associated with amoxicillin during pregnancy.
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Affiliation(s)
- Hanwen Gu
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Bin Li
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Liang Liu
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Xufeng Li
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China
| | - Hui Wang
- Department of Pharmacology, Wuhan University School of Basic Medical Sciences, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China.
| | - Liaobin Chen
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Disease, Wuhan 430071, China.
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27
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Chondrocyte Hypertrophy in Osteoarthritis: Mechanistic Studies and Models for the Identification of New Therapeutic Strategies. Cells 2022; 11:cells11244034. [PMID: 36552796 PMCID: PMC9777397 DOI: 10.3390/cells11244034] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 12/08/2022] [Indexed: 12/16/2022] Open
Abstract
Articular cartilage shows limited self-healing ability owing to its low cellularity and avascularity. Untreated cartilage defects display an increased propensity to degenerate, leading to osteoarthritis (OA). During OA progression, articular chondrocytes are subjected to significant alterations in gene expression and phenotype, including a shift towards a hypertrophic-like state (with the expression of collagen type X, matrix metalloproteinases-13, and alkaline phosphatase) analogous to what eventuates during endochondral ossification. Present OA management strategies focus, however, exclusively on cartilage inflammation and degradation. A better understanding of the hypertrophic chondrocyte phenotype in OA might give new insights into its pathogenesis, suggesting potential disease-modifying therapeutic approaches. Recent developments in the field of cellular/molecular biology and tissue engineering proceeded in the direction of contrasting the onset of this hypertrophic phenotype, but knowledge gaps in the cause-effect of these processes are still present. In this review we will highlight the possible advantages and drawbacks of using this approach as a therapeutic strategy while focusing on the experimental models necessary for a better understanding of the phenomenon. Specifically, we will discuss in brief the cellular signaling pathways associated with the onset of a hypertrophic phenotype in chondrocytes during the progression of OA and will analyze in depth the advantages and disadvantages of various models that have been used to mimic it. Afterwards, we will present the strategies developed and proposed to impede chondrocyte hypertrophy and cartilage matrix mineralization/calcification. Finally, we will examine the future perspectives of OA therapeutic strategies.
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28
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Gao M, Liu X, Guo P, Wang J, Li J, Wang W, Stoddart MJ, Grad S, Li Z, Wu H, Li B, He Z, Zhou G, Liu S, Zhu W, Chen D, Zou X, Zhou Z. Deciphering postnatal limb development at single-cell resolution. iScience 2022; 26:105808. [PMID: 36619982 PMCID: PMC9813795 DOI: 10.1016/j.isci.2022.105808] [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: 02/12/2022] [Revised: 08/22/2022] [Accepted: 12/09/2022] [Indexed: 12/15/2022] Open
Abstract
The early postnatal limb developmental progression bridges embryonic and mature stages and mirrors the pathological remodeling of articular cartilage. However, compared with multitudinous research on embryonic limb development, the early postnatal stage seems relatively unnoticed. Here, a systematic work to portray the postnatal limb developmental landscape was carried out by characterization of 19,952 single cells from murine hindlimbs at 4 postnatal stages using single-cell RNA sequencing technique. By delineation of cell heterogeneity, the candidate progenitor sub-clusters marked by Cd34 and Ly6e were discovered in articular cartilage and enthesis, and three cellular developmental branches marked by Col10a1, Spp1, and Tnni2 were reflected in growth plate. The representative transcriptomes and developmental patterns were intensively explored, and the key regulation mechanisms as well as evolvement in osteoarthritis were discussed. Above all, these results expand horizons of postnatal limb developmental biology and reach the interconnections between limb development, remodeling, and regeneration.
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Affiliation(s)
- Manman Gao
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Department of Sport Medicine, Institute of Translational Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen 518035, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China,Shenzhen Key Laboratory of Anti-aging and Regenerative Medicine, Department of Medical Cell Biology and Genetics, Health Sciences Center, Shenzhen University, Shenzhen 518071, China
| | - Xizhe Liu
- Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Peng Guo
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Jianmin Wang
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Junhong Li
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Wentao Wang
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | | | - Sibylle Grad
- AO Research Institute Davos, Davos 7270, Switzerland
| | - Zhen Li
- AO Research Institute Davos, Davos 7270, Switzerland
| | - Huachuan Wu
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Baoliang Li
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Zhongyuan He
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Guangqian Zhou
- Shenzhen Key Laboratory of Anti-aging and Regenerative Medicine, Department of Medical Cell Biology and Genetics, Health Sciences Center, Shenzhen University, Shenzhen 518071, China
| | - Shaoyu Liu
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China
| | - Weimin Zhu
- Department of Sport Medicine, Institute of Translational Medicine, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People’s Hospital, Shenzhen 518035, China,Shenzhen Key Laboratory of Anti-aging and Regenerative Medicine, Department of Medical Cell Biology and Genetics, Health Sciences Center, Shenzhen University, Shenzhen 518071, China,Corresponding author
| | - Dafu Chen
- Laboratory of Bone Tissue Engineering, Beijing Laboratory of Biomedical Materials, Beijing Research Institute of Orthopaedics and Traumatology, Beijing JiShuiTan Hospital, Beijing 100035, China,Corresponding author
| | - Xuenong Zou
- Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China,Corresponding author
| | - Zhiyu Zhou
- Department of Orthopaedic Surgery, The Seventh Affiliated Hospital, Sun Yat-sen University, Shenzhen 518107, China,Guangdong Provincial Key Laboratory of Orthopedics and Traumatology, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou 510080, China,Corresponding author
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29
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Brenneis M, Jenei-Lanzl Z, Kupka J, Braun S, Junker M, Zaucke F, Rickert M, Meurer A. Correlation between Adrenoceptor Expression and Clinical Parameters in Degenerated Lumbar Intervertebral Discs. Int J Mol Sci 2022; 23:ijms232315358. [PMID: 36499685 PMCID: PMC9739018 DOI: 10.3390/ijms232315358] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2022] [Revised: 11/22/2022] [Accepted: 12/01/2022] [Indexed: 12/12/2022] Open
Abstract
Despite advanced knowledge of the cellular and biomechanical processes of intervertebral disc degeneration (IVDD), the trigger and underlying mechanisms remain unclear. Since the sympathetic nervous system (SNS) has been shown to exhibit catabolic effects in osteoarthritis pathogenesis, it is attractive to speculate that it also influences IVDD. Therefore, we explored the adrenoceptor (AR) expression profile in human IVDs and correlated it with clinical parameters of patients. IVD samples were collected from n = 43 patients undergoing lumbar spinal fusion surgery. AR gene expression was analyzed by semi-quantitative polymerase chain reaction. Clinical parameters as well as radiological Pfirrmann and Modic classification were collected and correlated with AR expression levels. In total human IVD homogenates α1A-, α1B-, α2A-, α2B-, α2C-, β1- and β2-AR genes were expressed. Expression of α1A- (r = 0.439), α2A- (r = 0.346) and β2-AR (r = 0.409) showed a positive and significant correlation with Pfirrmann grade. α1A-AR expression was significantly decreased in IVD tissue of patients with adjacent segment disease (p = 0.041). The results of this study indicate that a relationship between IVDD and AR expression exists. Thus, the SNS and its neurotransmitters might play a role in IVDD pathogenesis. The knowledge of differential AR expression in different etiologies could contribute to the development of new therapeutic approaches for IVDD.
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Affiliation(s)
- Marco Brenneis
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
- Correspondence: or
| | - Zsuzsa Jenei-Lanzl
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
| | - Johannes Kupka
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
| | - Sebastian Braun
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
| | - Marius Junker
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
| | - Frank Zaucke
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis, Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
| | - Marcus Rickert
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
| | - Andrea Meurer
- Department of Orthopedics (Friedrichsheim), University Hospital Frankfurt, Goethe University, 60590 Frankfurt, Germany
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30
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Wakefield B, Penuela S. Potential Implications of Exercise Training on Pannexin Expression and Function. J Vasc Res 2022; 60:114-124. [PMID: 36366809 DOI: 10.1159/000527240] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 09/14/2022] [Indexed: 09/05/2023] Open
Abstract
Pannexins (PANX1, 2, 3) are channel-forming glycoproteins that are expressed throughout the cardiovascular and musculoskeletal system. The canonical function of these proteins is to release nucleotides that act as purinergic signalling at the cell membrane or Ca2+ channels at the endoplasmic reticulum membrane. These two forms of signalling are essential for autocrine and paracrine signalling in health, and alterations in this signalling have been implicated in the pathogenesis of many diseases. Many musculoskeletal and cardiovascular diseases are largely the result of a lack of physical activity which causes altered gene expression. Considering exercise training has been shown to alter a wide array of gene expression in musculoskeletal tissues, understanding the interaction between exercise training, gene function and expression in relevant diseases is warranted. With regards to pannexins, multiple publications have shown that exercise training can influence pannexin expression and may influence the significance of its function in certain diseases. This review further discusses the potential interaction between exercise training and pannexin biology in relevant tissues and disease models. We propose that exercise training in relevant animal and human models will provide a more comprehensive understanding of the implications of pannexin biology in disease.
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Affiliation(s)
- Brent Wakefield
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
- Western's Bone and Joint Institute, The Dr. Sandy Kirkley Centre for Musculoskeletal Research, University Hospital, London, Ontario, Canada
| | - Silvia Penuela
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
- Western's Bone and Joint Institute, The Dr. Sandy Kirkley Centre for Musculoskeletal Research, University Hospital, London, Ontario, Canada
- Department of Oncology, Division of Experimental Oncology, Schulich School of Medicine and Dentistry, University of Western Ontario, London, Ontario, Canada
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31
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Buzzatto-Leite I, Afonso J, Silva-Vignato B, Coutinho L, Alvares L. Differential gene co-expression network analyses reveal novel molecules associated with transcriptional dysregulation of key biological processes in osteoarthritis knee cartilage. OSTEOARTHRITIS AND CARTILAGE OPEN 2022; 4:100316. [PMID: 36474801 PMCID: PMC9718204 DOI: 10.1016/j.ocarto.2022.100316] [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: 03/09/2022] [Revised: 09/09/2022] [Accepted: 10/17/2022] [Indexed: 12/24/2022] Open
Abstract
OBJECTIVES To compare co-expression networks of normal and osteoarthritis knee cartilage to uncover molecules associated with the transcriptional misregulation compromising biological processes (BPs) critical for cartilage homeostasis. DESIGN Normal and osteoarthritis human knee cartilage RNA-seq GSE114007 dataset was obtained from the Gene Expression Omnibus database. Partial Correlation and Information Theory (PCIT) algorithm was used to build co-expression networks containing all nodes connecting to at least one differentially expressed gene (DEG) in normal and osteoarthritis networks. Hub and hub centrality genes were used to perform functional enrichment analysis. Enriched BPs known to be associated with both healthy and diseased cartilage were compared in depth. RESULTS Differential co-expression network analyses allowed the identification of DDX43 and USP42 as exclusively co-expressed with DEGs in normal and osteoarthritis networks, respectively. The top hub and hub centrality genes of these networks were HIST1H3A and SNHG12 (normal) and TAF9B and OTUD1 (osteoarthritis). Enrichment analysis revealed several shared BPs between the contrasting groups, which are well-known in osteoarthritis pathogenesis. Protein-protein interaction network analysis for these BPs showed a global down-regulation of transcription factors in osteoarthritis. Specific transcription factors were identified as pleiotropic mediators in articular cartilage maintenance since they take part in several BPs. In addition, chromatin organisation and modification proteins were found relevant for osteoarthritis development. CONCLUSION Differential gene co-expression analysis allowed the identification of novel and high priority therapeutic candidate genes that may drive modifications in the transcriptional "status" of cartilage in osteoarthritis.
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Affiliation(s)
- I. Buzzatto-Leite
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, Brazil
| | - J. Afonso
- Department of Animal Science, College of Agriculture “Luiz de Queiroz”, University of São Paulo (ESALQ/USP), Piracicaba, Brazil
| | - B. Silva-Vignato
- Department of Animal Science, College of Agriculture “Luiz de Queiroz”, University of São Paulo (ESALQ/USP), Piracicaba, Brazil
| | - L.L. Coutinho
- Department of Animal Science, College of Agriculture “Luiz de Queiroz”, University of São Paulo (ESALQ/USP), Piracicaba, Brazil
| | - L.E. Alvares
- Department of Biochemistry and Tissue Biology, Institute of Biology, University of Campinas (UNICAMP), Campinas, Brazil,Corresponding author. Department of Biochemistry and Tissue Biology, University of Campinas – UNICAMP, Rua Monteiro Lobato 255, Cx. Postal 6109, CEP 13083-862, Campinas, SP, Brazil.
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32
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Zhang X, You Y, Sun Y, Guo X, Han Lin, Zong M, Shi J. Catalytic anti-oxidative stress for osteoarthritis treatment by few-layered phosphorene. Mater Today Bio 2022; 17:100462. [PMID: 36325424 PMCID: PMC9619373 DOI: 10.1016/j.mtbio.2022.100462] [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: 06/12/2022] [Revised: 10/08/2022] [Accepted: 10/11/2022] [Indexed: 11/11/2022] Open
Abstract
As one of the most common representations of articular cartilage damage, osteoarthritis (OA) is characterized by the apoptosis and dysfunction of chondrocytes as well as the progressive degradation of extracellular matrix, of which the main components are glycosaminoglycan and type Ⅱ collagen. Few-layered phosphorene (FLP) has been attracting great attentions in biomedical fields owing to the excellent capability of in-situ catalysis for scavenging oxidate-associated molecules, especially the reactive oxygen species (ROS) and reactive nitrogen species (RNS). Herein, FLP has been fabricated and employed for articular cartilage protection by means of deleting oxidate-associated molecules. The in vitro results show that as low as 200 μg/mL FLP is capable of diminishing oxidative damages on the osteoarthritic chondrocytes through the efficient elimination of ROS, H2O2 and NO. Meanwhile, the cartilage matrix protection has also been achieved at 200 μg/mL FLP by the uniform restoration of glycosaminoglycan and type Ⅱ collagen. FLP enables the nanocatalytic treatment for the overloaded oxidative stress in the injured articular cartilage and represents a promising alternative for osteoarthritis therapy.
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Affiliation(s)
- Xingyu Zhang
- Department of Sports Medicine, Shanghai General Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200080, PR China
| | - Yanling You
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences, Shanghai, 200050, PR China
| | - Yaying Sun
- Department of Sports Medicine, Huashan Hospital, Fudan University, Shanghai, 200040, PR China
| | - Xiang Guo
- Department of Orthopedics, Shanghai Changzheng Hospital, Second Affiliated Hospital of Naval Medical University, Shanghai, 200003, PR China,Corresponding author.
| | - Han Lin
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences, Shanghai, 200050, PR China,Corresponding author.
| | - Ming Zong
- Department of Clinical Laboratory, Shanghai East Hospital, Tongji University School of Medicine, Shanghai, 200120, PR China,Corresponding author.
| | - Jianlin Shi
- State Key Laboratory of High Performance Ceramics and Superfine Microstructure, Shanghai Institute of Ceramics Chinese Academy of Sciences, Shanghai, 200050, PR China
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33
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Abou-Jaoude A, Courtes M, Badique L, Elhaj Mahmoud D, Abboud C, Mlih M, Justiniano H, Milbach M, Lambert M, Lemle A, Awan S, Terrand J, Niemeier A, Barbero A, Houard X, Boucher P, Matz RL. ShcA promotes chondrocyte hypertrophic commitment and osteoarthritis in mice through RunX2 nuclear translocation and YAP1 inactivation. Osteoarthritis Cartilage 2022; 30:1365-1375. [PMID: 35840017 DOI: 10.1016/j.joca.2022.07.001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 06/17/2022] [Accepted: 07/05/2022] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Chondrocyte hypertrophic differentiation, a key process in endochondral ossification, is also a feature of osteoarthritis leading to cartilage destruction. Here we investigated the role of the adaptor protein Src homology and Collagen A (ShcA) in chondrocyte differentiation and osteoarthritis. METHODS Mice ablated for ShcA in osteochondroprogenitor cells were generated by crossing mice carrying the Twist2-Cre transgene with ShcAflox/flox mice. Their phenotype (n = 5 to 14 mice per group) was characterized using histology, immuno-histology and western-blot. To identify the signaling mechanisms involved, in vitro experiments were conducted on wild type and ShcA deficient chondrocytes (isolated from n = 4 to 7 littermates) and the chondroprogenitor cell line ATDC5 (n = 4 independent experiments) using western-blot, cell fractionation and confocal microscopy. RESULTS Deletion of ShcA decreases the hypertrophic zone of the growth plate (median between group difference -11.37% [95% confidence interval -17.34 to -8.654]), alters the endochondral ossification process, and leads to dwarfism (3 months old male mice nose-to-anus length -1.48 cm [-1.860 to -1.190]). ShcA promotes ERK1/2 activation, nuclear translocation of RunX2, the master transcription factor for chondrocyte hypertrophy, while maintaining the Runx2 inhibitor, YAP1, in its cytosolic inactive form. This leads to hypertrophic commitment and expression of markers of hypertrophy, such as Collagen X. In addition, loss of ShcA protects from age-related osteoarthritis development in mice (2 years old mice OARSI score -6.67 [-14.25 to -4.000]). CONCLUSION This study reveals ShcA as a new player in the control of chondrocyte hypertrophic differentiation and its deletion slows down osteoarthritis development.
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Affiliation(s)
- A Abou-Jaoude
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - M Courtes
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - L Badique
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - D Elhaj Mahmoud
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - C Abboud
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - M Mlih
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - H Justiniano
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - M Milbach
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - M Lambert
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - A Lemle
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - S Awan
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - J Terrand
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - A Niemeier
- Department of Biochemistry and Molecular Cell Biology and Department of Orthopaedics, University Medical Center Hamburg-Eppendorf, Hamburg, Germany.
| | - A Barbero
- Department of Biomedicine, University Hospital Basel and University of Basel, Basel, Switzerland.
| | - X Houard
- Sorbonne Université, INSERM, Centre de Recherche Saint-Antoine (CRSA), F-75012 Paris, France.
| | - P Boucher
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
| | - R L Matz
- UMR INSERM S_1109 University of Strasbourg, 67000 Strasbourg, France.
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34
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Evans LAE, Pitsillides AA. Structural clues to articular calcified cartilage function: A descriptive review of this crucial interface tissue. J Anat 2022; 241:875-895. [PMID: 35866709 PMCID: PMC9482704 DOI: 10.1111/joa.13728] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2021] [Revised: 06/26/2022] [Accepted: 06/30/2022] [Indexed: 11/26/2022] Open
Abstract
Articular calcified cartilage (ACC) has been dismissed, by some, as a remnant of endochondral ossification without functional relevance to joint articulation or weight-bearing. Recent research indicates that morphologic and metabolic ACC features may be important, reflecting knee joint osteoarthritis (OA) predisposition. ACC is less investigated than neighbouring joint tissues, with its component chondrocytes and mineralised matrix often being either ignored or integrated into analyses of hyaline articular cartilage and subchondral bone tissue respectively. Anatomical variation in ACC is recognised between species, individuals and age groups, but the selective pressures underlying this variation are unknown. Consequently, optimal ACC biomechanical features are also unknown as are any potential locomotory roles. This review collates descriptions of ACC anatomy and biology in health and disease, with a view to revealing its structure/function relationship and highlighting potential future research avenues. Mouse models of healthy and OA joint ageing have shown disparities in ACC load-induced deformations at the knee joint. This raises the hypothesis that ACC response to locomotor forces over time may influence, or even underlie, the bony and hyaline cartilage symptoms characteristic of OA. To effectively investigate the ACC, greater resolution of joint imaging and merging of hierarchical scale data will be required. An appreciation of OA as a 'whole joint disease' is expanding, as is the possibility that the ACC may be a key player in healthy ageing and in the transition to OA joint pathology.
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Affiliation(s)
- Lucinda A. E. Evans
- Department of Comparative Biomedical SciencesRoyal Veterinary College, University of LondonLondonUK
| | - Andrew A. Pitsillides
- Department of Comparative Biomedical SciencesRoyal Veterinary College, University of LondonLondonUK
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Ni Q, Chen H, Li B, He H, Shi H, Zhu J, Wang H, Chen L. miR-200b-3p/ERG/PTHrP axis mediates the inhibitory effect of ethanol on the differentiation of fetal cartilage into articular cartilage. Chem Biol Interact 2022; 368:110201. [PMID: 36174738 DOI: 10.1016/j.cbi.2022.110201] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Revised: 09/09/2022] [Accepted: 09/21/2022] [Indexed: 11/03/2022]
Abstract
PURPOSE This study aims to further explore cartilage development in prenatal ethanol exposure (PEE) offspring at different times to explore the specific time points and mechanism of ethanol-induced fetal cartilage dysplasia. METHODS On gestational day (GD)14, GD17, and GD20, PEE fetal cartilage was evaluated by morphological analysis. RT-qPCR, immunohistochemistry, and immunofluorescence were used to detect the expression of cartilage marker genes and their regulatory factors. Bone marrow mesenchymal stem cells (BMSCs) were used to explore the effect of ethanol on the differentiation of chondrocytes. Additionally, we used inhibitors, overexpression plasmids and a luciferase reporter assay on GD17 chondrocytes to verify the mechanism. RESULTS PEE significantly reduced cartilage matrix content and the expression of marker genes on GD17 and GD20 but had no effect on GD14. The inhibition of chondrogenic differentiation by PEE mainly occurred on GD14-17. Furthermore, the expression of miR-200b-3p was increased, while that of ERG and PTHrP was markedly reduced in PEE fetal cartilage. In vitro, ethanol (30-120 mM) inhibited the differentiation of BMSCs into chondrocytes in a concentration-dependent manner, accompanied by strong expression of miR-200b-3p and low expression of ERG and PTHrP. Moreover, PTHLH and ERG overexpressed, as well as a miR-200b-3p inhibitor reversed the inhibitory effect of ethanol on the differentiation of fetal chondrocytes. Furthermore, miR-200b-3p could target and negatively regulate ERG. CONCLUSIONS PEE can significantly inhibit the development of articular cartilage, especially during articular cartilage formation. The mechanism is related to the decreased differentiation of fetal cartilage into articular cartilage mediated by the miR-200b-3p/ERG/PTHrP axis.
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Affiliation(s)
- Qubo Ni
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
| | - Haitao Chen
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
| | - Bin Li
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
| | - Hangyuan He
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
| | - Huasong Shi
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
| | - Jiayong Zhu
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China.
| | - Hui Wang
- Department of Pharmacology, School of Basic Medical Sciences, Wuhan University, Wuhan, 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Diseases, Wuhan, 430071, China.
| | - Liaobin Chen
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan, 430071, China; Hubei Provincial Key Laboratory of Developmentally Originated Diseases, Wuhan, 430071, China.
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Wang Y, Zheng X, Luo D, Xu W, Zhou X. MiR-99a alleviates apoptosis and extracellular matrix degradation in experimentally induced spine osteoarthritis by targeting FZD8. BMC Musculoskelet Disord 2022; 23:872. [PMID: 36127685 PMCID: PMC9487131 DOI: 10.1186/s12891-022-05822-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 09/09/2022] [Indexed: 11/13/2022] Open
Abstract
Background Our previous study identified miR-99a as a negative regulator of early chondrogenic differentiation. However, the functional role of miR-99a in the pathogenesis of osteoarthritis (OA) remains unclear. Methods We examined the levels of miR-99a and Frizzled 8 (FZD8) expression in tissue specimens. Human SW1353 chondrosarcoma cells were stimulated with IL-6 and TNF-α to construct an in vitro OA environment. A luciferase reporter assay was performed to analyze the relationship between miR-99a and FZD8. CCK-8 assays, flow cytometry, and ELISA assays were used to assess cell viability, apoptosis, and inflammatory molecule expression, respectively. Percutaneous intra-spinal injections of papain mixed solution were performed to create an OA Sprague–Dawley rat model. Alcian Blue staining, Safranin O Fast Green staining, and Toluidine Blue O staining were performed to detect the degrees of cartilage injury. Results MiR-99a expression was downregulated in the severe spine OA patients when compared with the mild spine OA patients, and was also decreased in the experimentally induced in vitro OA environment when compared with the control environment. Functionally, overexpression of miR-99a significantly suppressed cell apoptosis and extracellular matrix degradation stimulated by IL-6 and TNF-α. FZD8 was identified as a target gene of miR-99a. Furthermore, the suppressive effects of miR-99a on cell injury induced by IL-6 and TNF-α were reversed by FZD8 overexpression. Moreover, the levels of miR-99a expression were also reduced in the induced OA model rats, and miR-99a agomir injection relieved the cartilage damage. At the molecular level, miR-99a overexpression downregulated the levels of MMP13, β-catenin, Bax, and caspase-3 protein expression and upregulated the levels of COL2A1 and Bcl-2 protein expression in the in vitro OA-like chondrocyte model and also in the experimental OA model rats. Conclusions Our data showed that miR-99a alleviated apoptosis and extracellular matrix degradation by targeting FZD8, and thereby suppressed the development and progression of experimentally induced spine osteoarthritis. Supplementary Information The online version contains supplementary material available at 10.1186/s12891-022-05822-8.
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Affiliation(s)
- Yeyang Wang
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, Guangzhou, Guangdong Province, China.,The Second Clinical School, Southern Medical University, Guangzhou, China
| | - Xiaoyu Zheng
- Guangdong Medical University, Zhanjiang, Guangdong Province, China
| | - Dixin Luo
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, Guangzhou, Guangdong Province, China
| | - Wangyang Xu
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, Guangzhou, Guangdong Province, China
| | - Xiaozhong Zhou
- The Spine Department, Orthopaedic Center, Guangdong Second Provincial General Hospital, Guangzhou, Guangdong Province, China. .,Guangdong Medical University, Zhanjiang, Guangdong Province, China.
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Sun Q, Zhang Y, Ding Y, Xie W, Li H, Li S, Li Y, Cai M. Inhibition of PGE2 in Subchondral Bone Attenuates Osteoarthritis. Cells 2022; 11:cells11172760. [PMID: 36078169 PMCID: PMC9454853 DOI: 10.3390/cells11172760] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Revised: 08/26/2022] [Accepted: 08/30/2022] [Indexed: 11/17/2022] Open
Abstract
Aberrant subchondral bone architecture is a crucial driver of the pathological progression of osteoarthritis, coupled with increased sensory innervation. The sensory PGE2/EP4 pathway is involved in the regulation of bone mass accrual by the induction of differentiation of mesenchymal stromal cells. This study aimed to clarify whether the sensory PGE2/EP4 pathway induces aberrant structural alteration of subchondral bone in osteoarthritis. Destabilization of the medial meniscus (DMM) using a mouse model was combined with three approaches: the treatment of celecoxib, capsaicin, and sensory nerve-specific prostaglandin E2 receptor 4 (EP4)-knockout mice. Cartilage degeneration, subchondral bone architecture, PGE2 levels, distribution of sensory nerves, the number of osteoprogenitors, and pain-related behavior in DMM mice were assessed. Serum and tissue PGE2 levels and subchondral bone architecture in a human sample were measured. Increased PGE2 is closely related to subchondral bone’s abnormal microstructure in humans and mice. Elevated PGE2 concentration in subchondral bone that is mainly derived from osteoblasts occurs in early-stage osteoarthritis, preceding articular cartilage degeneration in mice. The decreased PGE2 levels by the celecoxib or sensory denervation by capsaicin attenuate the aberrant alteration of subchondral bone architecture, joint degeneration, and pain. Selective EP4 receptor knockout of the sensory nerve attenuates the aberrant formation of subchondral bone and facilitates the prevention of cartilage degeneration in DMM mice. Excessive PGE2 in subchondral bone caused a pathological alteration to subchondral bone in osteoarthritis and maintaining the physiological level of PGE2 could potentially be used as an osteoarthritis treatment.
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Affiliation(s)
- Qi Sun
- Department of Orthopaedics, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai 200072, China
| | - Yuanzhen Zhang
- Department of Orthopaedics, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai 200072, China
| | - Yilan Ding
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Wenqing Xie
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Hengzhen Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
| | - Shaohua Li
- Department of Orthopaedics, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai 200072, China
| | - Yusheng Li
- Department of Orthopedics, Xiangya Hospital, Central South University, Changsha 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
- Correspondence: (Y.L.); (M.C.); Tel.: +86-13975889696 (Y.L.); +86-13816147208 (M.C.); Fax: +86-073184327332 (Y.L.); +86-010-59367999 (M.C.)
| | - Ming Cai
- Department of Orthopaedics, Shanghai Tenth People’s Hospital, School of Medicine, Tongji University, Shanghai 200072, China
- Correspondence: (Y.L.); (M.C.); Tel.: +86-13975889696 (Y.L.); +86-13816147208 (M.C.); Fax: +86-073184327332 (Y.L.); +86-010-59367999 (M.C.)
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Hu Y, Cui J, Liu H, Wang S, Zhou Q, Zhang H, Guo J, Cao L, Chen X, Xu K, Su J. Single-cell RNA-sequencing analysis reveals the molecular mechanism of subchondral bone cell heterogeneity in the development of osteoarthritis. RMD Open 2022. [PMCID: PMC9462384 DOI: 10.1136/rmdopen-2022-002314] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
The cellular composition and underlying spatiotemporal transformation processes of subchondral bone in osteoarthritis (OA) remain unknown. Herein, various cell subsets from tibial plateau of patients with OA are identified, and the mechanism of subchondral microstructure alteration is elaborated using single-cell RNA sequencing technique. We identified two novel endothelial cell (EC) populations characterised by either exosome synthesis and inflammation response or vascular function and angiogenesis. Three osteoblast (OB) subtypes are introduced, separately related to vascularisation, matrix manufacturing and matrix mineralisation. The distinct roles and functions of these novel phenotypes in OA development are further discussed as well as interaction network between these subpopulations. The variation tendency of each population is testified in a destabilisation of the medial meniscus mouse model. The identification of cell types demonstrates a novel taxonomy and mechanism for ECs and OBs inside subchondral bone area provides new insights into the physiological and pathological behaviours of subchondral bone in OA pathogenesis.
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Affiliation(s)
- Yan Hu
- Institute of Translational Medicine, Shanghai University, Shanghai, China
| | - Jin Cui
- Department of Orthopedics, Changhai Hospital, Shanghai, China
| | - Han Liu
- Institute of Translational Medicine, Shanghai University, Shanghai, China
| | - Sicheng Wang
- Institute of Translational Medicine, Shanghai University, Shanghai, China
- Department of Orthopedics, Shanghai Zhongye Hospital, Shanghai, China
| | - Qirong Zhou
- Department of Orthopedics, Changhai Hospital, Shanghai, China
| | - Hao Zhang
- Department of Orthopedics, Changhai Hospital, Shanghai, China
| | - Jiawei Guo
- Department of Orthopedics, Changhai Hospital, Shanghai, China
| | - Liehu Cao
- Department of Orthopedics, Shanghai Baoshan Luodian Hospital, Shanghai, China
| | - Xiao Chen
- Department of Orthopedics, Changhai Hospital, Shanghai, China
| | - Ke Xu
- Institute of Translational Medicine, Shanghai University, Shanghai, China
| | - Jiacan Su
- Institute of Translational Medicine, Shanghai University, Shanghai, China
- Department of Orthopedics, Changhai Hospital, Shanghai, China
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Jouan Y, Bouchemla Z, Bardèche-Trystram B, Sana J, Andrique C, Ea HK, Richette P, Latourte A, Cohen-Solal M, Hay E. Lin28a induces SOX9 and chondrocyte reprogramming via HMGA2 and blunts cartilage loss in mice. SCIENCE ADVANCES 2022; 8:eabn3106. [PMID: 36026443 PMCID: PMC9417174 DOI: 10.1126/sciadv.abn3106] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 07/13/2022] [Indexed: 06/15/2023]
Abstract
Articular cartilage has low regenerative capacity despite permanent stress. Irreversible cartilage lesions characterize osteoarthritis (OA); this is not followed by tissue repair. Lin28a, an RNA binding protein, is detected in damaged cartilage in humans and mice. We investigated the role of LIN28a in cartilage physiology and in osteoarthritis. Lin28a-inducible conditional cartilage deletion up-regulated Mmp13 in intact mice and exacerbated the cartilage destruction in OA mice. Lin28a-specific cartilage overexpression protected mice against cartilage breakdown, stimulated chondrocyte proliferation and the expression of Prg4 and Sox9, and down-regulated Mmp13. Lin28a overexpression inhibited Let-7b and Let-7c miRNA levels while RNA-sequencing analysis revealed five genes of transcriptional factors regulated by Let-7. Moreover, Lin28a overexpression up-regulated HMGA2 and activated SOX9 transcription, a factor required for chondrocyte reprogramming. HMGA2 siRNA knockdown inhibited the cartilage protective effect of Lin28a overexpression. This study provides insights into a new pathway including the Lin28a-Let7 axis, thus promoting chondrocyte anabolism in injured cartilage in mice.
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Affiliation(s)
- Yohan Jouan
- Bioscar UMR Inserm 1132 and Université de Paris, F-75010 Paris, France
| | - Zohra Bouchemla
- Bioscar UMR Inserm 1132 and Université de Paris, F-75010 Paris, France
| | | | - Joanna Sana
- Bioscar UMR Inserm 1132 and Université de Paris, F-75010 Paris, France
| | - Caroline Andrique
- Bioscar UMR Inserm 1132 and Université de Paris, F-75010 Paris, France
| | - Hang-Korng Ea
- Bioscar UMR Inserm 1132 and Université de Paris, F-75010 Paris, France
- Hôpital Lariboisière, APHP, Paris, France
| | - Pascal Richette
- Bioscar UMR Inserm 1132 and Université de Paris, F-75010 Paris, France
- Hôpital Lariboisière, APHP, Paris, France
| | - Augustin Latourte
- Bioscar UMR Inserm 1132 and Université de Paris, F-75010 Paris, France
| | - Martine Cohen-Solal
- Bioscar UMR Inserm 1132 and Université de Paris, F-75010 Paris, France
- Hôpital Lariboisière, APHP, Paris, France
| | - Eric Hay
- Bioscar UMR Inserm 1132 and Université de Paris, F-75010 Paris, France
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Autologous chondrocyte implantation provides good long-term clinical results in the treatment of knee osteoarthritis: a systematic review. Knee Surg Sports Traumatol Arthrosc 2022; 31:2338-2348. [PMID: 35716187 DOI: 10.1007/s00167-022-07030-2] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 05/24/2022] [Indexed: 10/18/2022]
Abstract
PURPOSE To evaluate the mid- and long-term efficacy of autologous chondrocyte implantation (ACI) and matrix-assisted chondrocyte implantation (MACI) to treat patients with knee cartilage defects in the presence of osteoarthritis (OA). METHODS PubMed and Cochrane databases were systematically searched for studies describing the treatment of knee OA with ACI or MACI (Kellgren-Lawrence (KL) ≥ 1, minimum follow-up 36 months). Results were reported according to the Preferred Reporting Items for Systematic Reviews and Meta-Analysis guidelines and included Lysholm, Western Ontario McMaster University and International Knee Documentation Committee scores. RESULTS Of the 127 full-text articles assessed for eligibility, only five studies were selected based on inclusion/exclusion criteria (2 on ACI and 3 on MACI). In both groups, the defects were mainly located at femoral level, size 2.2-15.1 cm2 in the ACI and 2.0-7.6 cm2 in the MACI group. ACI was mostly used for patients affected by KL I, whereas MACI for patients with KL II-IV. The data obtained from 235 patients (161 ACI, 74 MACI) showed that ACI and MACI sustained stable clinical improvements up to 11 and 15 years, respectively, with a failure rate of about 10% up to 11 years. Scarce biological details regarding chondrocyte implantation were reported. CONCLUSIONS ACI and MACI procedures for the treatment of knee cartilage lesions associated to OA showed long-term success and allowed delaying arthroplasty. Additional trials reporting homogenous data and precise patient characterization are needed to conduct an effective literature meta-analysis and identify the clinical relevance of these procedures. LEVEL OF EVIDENCE IV.
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Aubourg G, Rice SJ, Bruce-Wootton P, Loughlin J. Genetics of osteoarthritis. Osteoarthritis Cartilage 2022; 30:636-649. [PMID: 33722698 PMCID: PMC9067452 DOI: 10.1016/j.joca.2021.03.002] [Citation(s) in RCA: 44] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/11/2020] [Revised: 02/17/2021] [Accepted: 03/06/2021] [Indexed: 02/02/2023]
Abstract
Osteoarthritis genetics has been transformed in the past decade through the application of large-scale genome-wide association scans. So far, over 100 polymorphic DNA variants have been associated with this common and complex disease. These genetic risk variants account for over 20% of osteoarthritis heritability and the vast majority map to non-protein coding regions of the genome where they are presumed to act by regulating the expression of target genes. Statistical fine mapping, in silico analyses of genomics data, and laboratory-based functional studies have enabled the identification of some of these targets, which encode proteins with diverse roles, including extracellular signaling molecules, intracellular enzymes, transcription factors, and cytoskeletal proteins. A large number of the risk variants correlate with epigenetic factors, in particular cartilage DNA methylation changes in cis, implying that epigenetics may be a conduit through which genetic effects on gene expression are mediated. Some of the variants also appear to have been selected as humans adapted to bipedalism, suggesting that a proportion of osteoarthritis genetic susceptibility results from antagonistic pleiotropy, with risk variants having a positive role in joint formation but a negative role in the long-term health of the joint. Although data from an osteoarthritis genetic study has not yet directly led to a novel treatment, some of the osteoarthritis associated genes code for proteins that have available therapeutics. Genetic investigations are therefore revealing fascinating fundamental insights into osteoarthritis and can expose options for translational intervention.
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Affiliation(s)
- G Aubourg
- Biosciences Institute, Newcastle University, Newcastle Upon Tyne, UK
| | - S J Rice
- Biosciences Institute, Newcastle University, Newcastle Upon Tyne, UK
| | - P Bruce-Wootton
- Biosciences Institute, Newcastle University, Newcastle Upon Tyne, UK
| | - J Loughlin
- Biosciences Institute, Newcastle University, Newcastle Upon Tyne, UK.
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Zhao Y, An Y, Zhou L, Wu F, Wu G, Wang J, Chen L. Animal Models of Temporomandibular Joint Osteoarthritis: Classification and Selection. Front Physiol 2022; 13:859517. [PMID: 35574432 PMCID: PMC9095932 DOI: 10.3389/fphys.2022.859517] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2022] [Accepted: 04/04/2022] [Indexed: 01/11/2023] Open
Abstract
Temporomandibular joint osteoarthritis (TMJOA) is a common degenerative joint disease that can cause severe pain and dysfunction. It has a serious impact on the quality of lives of patients. Since mechanism underlying the pathogenesis of TMJOA is not fully understood, the development of effective tools for early diagnosis and disease-modifying therapies has been hindered. Animal models play a key role in understanding the pathological process of diseases and evaluating new therapeutic interventions. Although some similarities in disease processes between animals and humans are known, no one animal model is sufficient for studying all characteristics of TMJOA, as each model has different translatability to human clinical conditions. For the past 4 decades, TMJOA animal models have been studied by numerous researchers and can be broadly divided into induced, naturally occurring, and genetically modified models. The induced models can be divided into invasive models (intra-articular injection and surgical induction) or non-invasive models (mechanical loading, high-fat diet, and sleep deprivation). Different types of animal models simulate different pathological expressions of TMJOA and have their unique characteristics. Currently, mice, rats, and rabbits are commonly used in the study of TMJOA. This review sought to provide a general description of current experimental models of TMJOA and assist researchers in selecting the most appropriate models for different kinds of research.
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Affiliation(s)
- Yuqing Zhao
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
- School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application & Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, China
| | - Yanxin An
- Department of General Surgery, The First Affiliated Hospital of Xi’an Medical University, Xi’an, China
| | - Libo Zhou
- School of Basic Medicine, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application & Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, China
| | - Fan Wu
- School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application & Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, China
| | - Gaoyi Wu
- School of Stomatology, Heilongjiang Key Lab of Oral Biomedicine Materials and Clinical Application & Experimental Center for Stomatology Engineering, Jiamusi University, Jiamusi, China
| | - Jing Wang
- Department of Oral Implants, School of Stomatology, National Clinical Research Center for Oral Diseases & State Key Laboratory of Military Stomatology & Shaanxi Key Laboratory of Stomatology, The Fourth Military Medical University, Xi’an, China
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
| | - Lei Chen
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, China
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Wang B, Li Y, Hu S, Peng K. C1q/tumor necrosis factor-related protein 9 protects cultured chondrocytes from IL-1β-induced inflammatory injury by inhibiting NLRP3 inflammasome activation via the AdipoR1/AMPK axis. ENVIRONMENTAL TOXICOLOGY 2022; 37:889-898. [PMID: 34990072 DOI: 10.1002/tox.23452] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 12/13/2021] [Accepted: 12/27/2021] [Indexed: 06/14/2023]
Abstract
C1q/tumor necrosis factor-related protein 9 (CTRP9) has been identified as a novel anti-inflammatory factor that participates in numerous pathological conditions. However, whether CTRP9 participates in the regulation of osteoarthritis has not been studied. This work sought to determine the possible role of CTRP9 in osteoarthritis using an in vitro model, namely interleukin-1β (IL-1β)-stimulated chondrocytes. There was a decreased level of CTRP9 in chondrocytes after IL-1β stimulation. CTRP9 upregulation dramatically repressed IL-1β-evoked apoptosis and inflammatory response in cultured chondrocytes. The mechanistic investigation revealed that CTRP9 overexpression restrained the activation of the nucleotide-binding oligomerization domain-like receptor 3 (NLRP3) inflammasome in IL-1β-stimulated chondrocytes via the adiponectin receptor 1 (AdipoR1)/adenosine monophosphate-activated protein kinase (AMPK) axis. Notably, inhibition of AdipoR1 or AMPK abolished the regulatory effects of CTRP9 overexpression on IL-1β-evoked apoptosis and inflammasome activation. Overall, the results of this work delineate that CTRP9 protects cultured chondrocytes from IL-1β-induced inflammatory injury by inhibiting NLRP3 inflammasome activation via the AdipoR1/AMPK axis. This work underscores a potential role of CTRP9 in the progression of osteoarthritis.
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Affiliation(s)
- Bo Wang
- Department of Joint Surgery, Xi'an Hong Hui Hospital, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China
| | - Yanqi Li
- Department of Respiratory, Xi'an Children's Hospital, Xi'an, Shaanxi, China
| | - Shouye Hu
- Department of Joint Surgery, Xi'an Hong Hui Hospital, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China
| | - Kan Peng
- Department of Joint Surgery, Xi'an Hong Hui Hospital, Xi'an Jiaotong University Health Science Center, Xi'an, Shaanxi, China
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Shi H, Zhou ZM, Zhu L, Chen L, Jiang ZL, Wu XT. Underlying Mechanisms and Related Diseases Behind the Complex Regulatory Role of NOD-Like Receptor X1. DNA Cell Biol 2022; 41:469-478. [PMID: 35363060 DOI: 10.1089/dna.2022.0051] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Among nucleotide-binding oligomerization domain (NOD)-like receptors (NLRs), NOD-like receptor X1 (NLRX1) is the only known NLR family member that is targeted to the mitochondria, which contains a C-terminal leucine-rich repeat domain, a central conserved nucleotide-binding domain, and an unconventional N-terminal effector domain. It is unique due to several atypical features, such as mitochondrial localization, noninflammasome forming, and relatively undefined N-terminal domain. NLRX1 has multiple functions, including negative regulation of type-I interferon signaling, attenuation of proinflammatory nuclear factor kappa B (NF-κB) signaling, autophagy induction, modulation of reactive oxygen species production, cell death regulation, and participating in cellular senescence. In addition, due to its diverse functions, NLRX1 has been associated with various human diseases, including respiratory, circulatory, motor, urinary, nervous, and digestive systems, to name but a few. However, the exact regulatory mechanisms of NLRX1 are still unclear in many related diseases since conflicting and controversial topics on NLRX1 in the previous studies remain. In this review, we review recent research advances on the underlying mechanisms and related disorders behind the complex regulatory role of NLRX1, which may provide a promising target to prevent and/or treat the corresponding diseases.
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Affiliation(s)
- Hang Shi
- Department of Spine Surgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Zhi-Min Zhou
- Department of Spine Surgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Lei Zhu
- Department of Spine Surgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Lu Chen
- Department of Spine Surgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Zan-Li Jiang
- Department of Spine Surgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
| | - Xiao-Tao Wu
- Department of Spine Surgery, Zhongda Hospital, School of Medicine, Southeast University, Nanjing, China
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Liu Z, Cao J, Zhang L, Li J, Yan T, Zhou P, Zhang S. Knockdown of circ-PRKCH alleviates IL-1β-treated chondrocyte cell phenotypic changes through modulating miR-502-5p/ADAMTS5 axis. Autoimmunity 2022; 55:179-191. [PMID: 35352613 DOI: 10.1080/08916934.2022.2027918] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
Abstract
BACKGROUND Osteoarthritis (OA) is a common joint disease characterized by progressive cartilage degradation. Circular RNAs (circRNAs) are involved in the initiation and development of OA. This study aimed to explore the potential role and mechanism of circRNA protein kinase C eta (circ-PRKCH) in OA. METHODS A total of 30 cartilage specimens were collected from OA patients or normal subjects. Human chondrocytes (CHON-001) were stimulated with interleukin-1β (IL-1β) to establish an in vitro OA model. The expression levels of circ-PRKCH, microRNA-502-5p (miR-502-5p) and circ-PRKCH or A disintegrin and metalloproteases metallopeptidase with thrombospondin type 1 motif 5 (ADAMTS5) in cartilage specimens and IL-1β-treated chondrocytes were detected by quantitative real-time PCR or Western blot, and their correlation in OA cartilage specimens was analysed by Spearman's correlation coefficient. The targeted relationship between miR-502-5p and circ-PRKCH or ADAMTS5 was verified by dual-luciferase reporter assay and RNA Immunoprecipitation (RIP) assay. Cell Counting Kit-8 (CCK-8), 5-Ethynyl-2'-deoxyuridine (EDU), flow cytometry, wound healing and enzyme-linked immunosorbent assay (ELISA) assays were applied to evaluate cell proliferation, apoptosis, migration and inflammatory response in IL-1β-treated chondrocytes. Exosomes were identified by transmission electron microscope (TEM) and Western blot. RESULTS Circ-PRKCH and ADAMTS5 expression levels were up-regulated, while miR-502-5p expression was down-regulated in OA cartilage tissues and IL-1β-treated chondrocytes. Depletion of circ-PRKCH relieved IL-1β-treated chondrocyte cell phenotypic changes by promoting cell proliferation and migration, as well as inhibiting apoptosis and inflammatory response. Mechanically, circ-PRKCH acted as a sponge for miR-502-5p to regulate ADAMTS5 expression, thereby contributing to IL-1β-treated chondrocyte cell phenotypic changes. Moreover, exosomes derived from IL-1β-treated chondrocytes could transfer circ-PRKCH across cells. CONCLUSION Circ-PRKCH contributed to IL-1β-treated cell phenotypic changes in chondrocytes via modulating miR-502-5p/ADAMTS5 pathway, which might provide a promising biomarker for OA treatment.
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Affiliation(s)
- Zhongxing Liu
- Department of Orthopedics, Affiliated Hospital of Chifeng University, Institute of Orthopaedic Diseases, Affiliated Hospital of Chifeng University, Chifeng, China
| | - Jian Cao
- Department of Orthopedics, Affiliated Hospital of Chifeng University, Institute of Orthopaedic Diseases, Affiliated Hospital of Chifeng University, Chifeng, China
| | - Limin Zhang
- Department of Orthopedics, Affiliated Hospital of Chifeng University, Institute of Orthopaedic Diseases, Affiliated Hospital of Chifeng University, Chifeng, China
| | - Jinlong Li
- Department of Orthopedics, Affiliated Hospital of Chifeng University, Institute of Orthopaedic Diseases, Affiliated Hospital of Chifeng University, Chifeng, China
| | - Tinghan Yan
- Inner Mongolia University for Nationalities, Chifeng, China
| | - Peng Zhou
- Department of Orthopedics, Affiliated Hospital of Chifeng University, Institute of Orthopaedic Diseases, Affiliated Hospital of Chifeng University, Chifeng, China
| | - Sidi Zhang
- Department of Orthopedics, Affiliated Hospital of Chifeng University, Institute of Orthopaedic Diseases, Affiliated Hospital of Chifeng University, Chifeng, China
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Loughlin J. Translating osteoarthritis genetics research: challenging times ahead. Trends Mol Med 2022; 28:176-182. [PMID: 35033441 DOI: 10.1016/j.molmed.2021.12.007] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2021] [Revised: 12/21/2021] [Accepted: 12/21/2021] [Indexed: 12/15/2022]
Abstract
The ultimate goal of molecular genetic studies of human diseases is to translate the discoveries for patient benefit. For diseases that lack licensed disease-modifying therapeutics, such as osteoarthritis (OA), the need is acute. OA is polygenic and affects older individuals, with a recent genome-wide study of over 800 000 individuals adding 52 novel association signals to those already reported on for this common arthritis. Many of the predicted effector genes of these signals encode proteins that are targets of drugs for other indications, highlighting repurposing opportunities. Here, the potential for OA genetic data to translate is discussed, including whether the developmental origin of OA will limit the application of genetic risk data for disease-modification purposes.
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Affiliation(s)
- John Loughlin
- Newcastle University, Biosciences Institute, International Centre for Life, Newcastle upon Tyne, NE1 3BZ, UK.
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Samvelyan HJ, Huesa C, Cui L, Farquharson C, Staines KA. The role of accelerated growth plate fusion in the absence of SOCS2 on osteoarthritis vulnerability. Bone Joint Res 2022; 11:162-170. [PMID: 35272487 PMCID: PMC8962856 DOI: 10.1302/2046-3758.113.bjr-2021-0259.r1] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
Abstract
AIMS Osteoarthritis (OA) is the most prevalent systemic musculoskeletal disorder, characterized by articular cartilage degeneration and subchondral bone (SCB) sclerosis. Here, we sought to examine the contribution of accelerated growth to OA development using a murine model of excessive longitudinal growth. Suppressor of cytokine signalling 2 (SOCS2) is a negative regulator of growth hormone (GH) signalling, thus mice deficient in SOCS2 (Socs2 -/-) display accelerated bone growth. METHODS We examined vulnerability of Socs2 -/- mice to OA following surgical induction of disease (destabilization of the medial meniscus (DMM)), and with ageing, by histology and micro-CT. RESULTS We observed a significant increase in mean number (wild-type (WT) DMM: 532 (SD 56); WT sham: 495 (SD 45); knockout (KO) DMM: 169 (SD 49); KO sham: 187 (SD 56); p < 0.001) and density (WT DMM: 2.2 (SD 0.9); WT sham: 1.2 (SD 0.5); KO DMM: 13.0 (SD 0.5); KO sham: 14.4 (SD 0.7)) of growth plate bridges in Socs2 -/- in comparison with WT. Histological examination of WT and Socs2 -/- knees revealed articular cartilage damage with DMM in comparison to sham. Articular cartilage lesion severity scores (mean and maximum) were similar in WT and Socs2 -/- mice with either DMM, or with ageing. Micro-CT analysis revealed significant decreases in SCB thickness, epiphyseal trabecular number, and thickness in the medial compartment of Socs2 -/-, in comparison with WT (p < 0.001). DMM had no effect on the SCB thickness in comparison with sham in either genotype. CONCLUSION Together, these data suggest that enhanced GH signalling through SOCS2 deletion accelerates growth plate fusion, however this has no effect on OA vulnerability in this model. Cite this article: Bone Joint Res 2022;11(3):162-170.
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Affiliation(s)
- Hasmik Jasmine Samvelyan
- School of Pharmacy and Biomolecular Sciences, University of Brighton, Brighton, UK
- Centre for Stress and Age-Related Disease, University of Brighton, Brighton, UK
- The Faculty of Health, Education, Medicine and Social Care, School of Medicine, Anglia Ruskin University, Chelmsford, UK
| | - Carmen Huesa
- Institute of Infection, Immunity & Inflammation, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Lin Cui
- The Roslin Institute, The University of Edinburgh, Edinburgh, UK
| | | | - Katherine Ann Staines
- School of Pharmacy and Biomolecular Sciences, University of Brighton, Brighton, UK
- Centre for Stress and Age-Related Disease, University of Brighton, Brighton, UK
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Lan R, Ge D, Liu YZ, You Z. Dcx expression defines a subpopulation of Gdf5 + cells with chondrogenic potentials in E12.5 mouse embryonic limbs. Biochem Biophys Rep 2022; 29:101200. [PMID: 35036586 PMCID: PMC8749014 DOI: 10.1016/j.bbrep.2022.101200] [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: 08/25/2021] [Revised: 12/14/2021] [Accepted: 01/03/2022] [Indexed: 10/28/2022] Open
Abstract
Growth differentiation factor 5 (Gdf5) and doublecortin (Dcx) genes are both expressed in joint interzone cells during synovial joint development. In this study, we re-analyzed the single cell RNA-sequencing data (Gene Expression Omnibus GSE151985) generated from Gdf5 + cells of mouse knee joints at embryonic stages of E12.5, E13.5, E14.5, and E15.5, with a new focus on Dcx. We found that Dcx expression was enriched in clusters of Gdf5 + cells, with high expression levels of pro-chondrogenic genes including sex determining region Y-box transcription factor 5 (Sox5), Sox6, Sox9, Gdf5, versican, matrilin 4, collagen type II α 1 chain (Col2a1), Col9a1, Col9a2, and Col9a3 at E12.5. Dcx + and Dcx - cells had differential gene expression profiles. The up-regulated genes in Dcx + vs. Dcx - cells at E12.5 and E13.5 were enriched in chondrocyte differentiation and cartilage development, whereas those genes up-regulated at E14.5 and E15.5 were enriched in RNA splicing, protein stability, cell proliferation, and cell growth. Gene expression profiles in Dcx + cells showed rapid daily changes from E12.5 to E15.5, with limited number of genes shared across the time period. Expression of Gdf5, Sox5, Sox6, melanoma inhibitory activity, noggin, odd-skipped related transcription factor 2, matrilin 4, and versican was positively correlated with Dcx expression. Our results demonstrate that Dcx expression defines a subpopulation of Gdf5 + cells with chondrogenic potentials in E12.5 mouse embryonic limbs.
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Affiliation(s)
- Ruoxin Lan
- Department of Biostatistics and Data Science, School of Public Health and Tropic Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Dongxia Ge
- Department of Structural & Cellular Biology, School of Medicine, Tulane University, New Orleans, LA, 70112, USA.,Department of Orthopaedic Surgery, School of Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Yao-Zhong Liu
- Department of Biostatistics and Data Science, School of Public Health and Tropic Medicine, Tulane University, New Orleans, LA, 70112, USA
| | - Zongbing You
- Department of Structural & Cellular Biology, School of Medicine, Tulane University, New Orleans, LA, 70112, USA.,Department of Orthopaedic Surgery, School of Medicine, Tulane University, New Orleans, LA, 70112, USA.,Department of Research Service, Southeast Louisiana Veterans Health Care System, New Orleans, LA, 70119, USA.,Tulane Cancer Center and Louisiana Cancer Research Consortium, Tulane University, New Orleans, LA, 70112, USA.,Tulane Center for Stem Cell Research and Regenerative Medicine, Tulane University, New Orleans, LA, 70112, USA.,Tulane Center for Aging, Tulane University, New Orleans, LA, 70112, USA
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Human adipose-derived stromal/stem cells expressing doublecortin improve cartilage repair in rabbits and monkeys. NPJ Regen Med 2021; 6:82. [PMID: 34848747 PMCID: PMC8633050 DOI: 10.1038/s41536-021-00192-6] [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: 01/06/2021] [Accepted: 10/29/2021] [Indexed: 11/25/2022] Open
Abstract
Localized cartilage lesions in early osteoarthritis and acute joint injuries are usually treated surgically to restore function and relieve pain. However, a persistent clinical challenge remains in how to repair the cartilage lesions. We expressed doublecortin (DCX) in human adipose-derived stromal/stem cells (hASCs) and engineered hASCs into cartilage tissues using an in vitro 96-well pellet culture system. The cartilage tissue constructs with and without DCX expression were implanted in the knee cartilage defects of rabbits (n = 42) and monkeys (n = 12). Cohorts of animals were euthanized at 6, 12, and 24 months after surgery to evaluate the cartilage repair outcomes. We found that DCX expression in hASCs increased expression of growth differentiation factor 5 (GDF5) and matrilin 2 in the engineered cartilage tissues. The cartilage tissues with DCX expression significantly enhanced cartilage repair as assessed macroscopically and histologically at 6, 12, and 24 months after implantation in the rabbits and 24 months after implantation in the monkeys, compared to the cartilage tissues without DCX expression. These findings suggest that hASCs expressing DCX may be engineered into cartilage tissues that can be used to treat localized cartilage lesions.
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50
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Sulaiman SZS, Tan WM, Radzi R, Shafie INF, Ajat M, Mansor R, Mohamed S, Ng AMH, Lau SF. Comparison of bone and articular cartilage changes in osteoarthritis: a micro-computed tomography and histological study of surgically and chemically induced osteoarthritic rabbit models. J Orthop Surg Res 2021; 16:663. [PMID: 34749769 PMCID: PMC8577030 DOI: 10.1186/s13018-021-02781-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 10/06/2021] [Indexed: 12/03/2022] Open
Abstract
BACKGROUND Osteoarthritis (OA) is a multifaceted condition that affects both the subchondral bones and the articular cartilage. Animal models are widely used as an effective supplement and simulation for human OA studies in investigating disease mechanisms and pathophysiology. This study is aimed to evaluate the temporal changes of bone and cartilage in surgically and chemically induced osteoarthritis using micro-computed tomography and histology. METHODS Thirty rabbits underwent either anterior cruciate ligament transection (ACLT) procedure or injected intraarticularly with monosodium iodoacetate (MIA, 8 mg) at the right knee joint. The subchondral bones were scanned via micro-CT, and articular cartilage was assessed histologically at 4-, 8- and 12-week post-induction. RESULTS Based on bone micro-architecture parameters, the surgically induced group revealed bone remodelling processes, indicated by increase bone volume, thickening of trabeculae, reduced trabecular separation and reduced porosity. On the other hand, the chemically induced group showed active bone resorption processes depicted by decrease bone volume, thinning of trabeculae, increased separation of trabecular and increased porosity consistently until week 12. Histologically, the chemically induced group showed more severe articular cartilage damage compared to the surgically induced group. CONCLUSIONS It can be concluded that in the ACLT group, subchondral bone remodelling precedes articular cartilage damage and vice versa in the MIA group. The findings revealed distinct pathogenic pathways for both induction methods, providing insight into tailored therapeutic strategies, as well as disease progression and treatment outcomes monitoring.
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Affiliation(s)
- Sharifah Zakiah Syed Sulaiman
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Wei Miao Tan
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Rozanaliza Radzi
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Intan Nur Fatiha Shafie
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Mokrish Ajat
- Department of Veterinary Preclinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Rozaihan Mansor
- Department of Farm and Exotic Animals Medicine and Surgery, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Suhaila Mohamed
- UPM-Makna Cancer Research Laboratory (CANRES), Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia
| | - Angela Min Hwei Ng
- Tissue Engineering Centre, Universiti Kebangsaan Malaysia Medical Centre, 56000, Cheras, Kuala Lumpur, Malaysia
| | - Seng Fong Lau
- Department of Veterinary Clinical Studies, Faculty of Veterinary Medicine, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
- UPM-Makna Cancer Research Laboratory (CANRES), Institute of Bioscience, Universiti Putra Malaysia, 43400 UPM, Serdang, Selangor, Malaysia.
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