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Yu E, Zhang M, Xu G, Liu X, Yan J. Consensus cluster analysis of apoptosis-related genes in patients with osteoarthritis and their correlation with immune cell infiltration. Front Immunol 2023; 14:1202758. [PMID: 37860011 PMCID: PMC10582959 DOI: 10.3389/fimmu.2023.1202758] [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: 04/09/2023] [Accepted: 09/15/2023] [Indexed: 10/21/2023] Open
Abstract
Background Osteoarthritis (OA) progression involves multiple factors, including cartilage erosion as the basic pathological mechanism of degeneration, and is closely related to chondrocyte apoptosis. To analyze the correlation between apoptosis and OA development, we selected apoptosis genes from the differentially expressed genes (DEGs) between OA and normal samples from the Gene Expression Omnibus (GEO) database, used lasso regression analysis to identify characteristic genes, and performed consensus cluster analysis to further explore the pathogenesis of this disease. Methods The Gene expression profile datasets of OA samples, GSE12021 and GSE55235, were downloaded from GEO. The datasets were combined and analyzed for DEGs. Apoptosis-related genes (ARGs) were collected from the GeneCards database and intersected with DEGs for apoptosis-related DEGs (ARDEGs). Least absolute shrinkage and selection operator (LASSO) regression analysis was performed to obtain characteristic genes, and a nomogram was constructed based on these genes. A consensus cluster analysis was performed to divide the patients into clusters. The immune characteristics, functional enrichment, and immune infiltration statuses of the clusters were compared. In addition, a protein-protein interaction network of mRNA drugs, mRNA-transcription factors (TFs), and mRNA-miRNAs was constructed. Results A total of 95 DEGs were identified, of which 47 were upregulated and 48 were downregulated, and 31 hub genes were selected as ARDEGs. LASSO regression analysis revealed nine characteristic genes: growth differentiation factor 15 (GDF15), NAMPT, TLR7, CXCL2, KLF2, REV3L, KLF9, THBD, and MTHFD2. Clusters A and B were identified, and neutrophil activation and neutrophil activation involved in the immune response were highly enriched in Cluster B, whereas protein repair and purine salvage signal pathways were enriched in Cluster A. The number of activated natural killer cells in Cluster B was significantly higher than that in Cluster A. GDF15 and KLF9 interacted with 193 and 32 TFs, respectively, and CXCL2 and REV3L interacted with 48 and 82 miRNAs, respectively. Conclusion ARGs could predict the occurrence of OA and may be related to different degrees of OA progression.
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Affiliation(s)
| | | | | | | | - Jinglong Yan
- Department of Orthopedics, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
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Wang A, Nixon T, Martin H, Richards A, McNinch A, Alexander P, Pujari R, Bale P, Shenker N, Bearcroft P, Brown S, Blackwell A, Poulson A, Snead M. Legg-Calve-Perthes' disease: an opportunity to prevent blindness? Arch Dis Child 2023; 108:789-791. [PMID: 36882306 DOI: 10.1136/archdischild-2022-325059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 02/22/2023] [Indexed: 03/09/2023]
Abstract
Legg-Calve-Perthes' disease (LCP) is defined as avascular necrosis of the femoral head in a child and may present to a variety of disciplines from general practice to orthopaedics, paediatrics, rheumatology and more. The Stickler syndromes are a group of disorders of type II, IX and XI collagen associated with hip dysplasia, retinal detachment, deafness and cleft palate. The pathogenesis of LCP disease remains an enigma but there have been a small number of cases reporting variants in the gene encoding the α1 chain of type II collagen (COL2A1). Variants in COL2A1 are known to cause type 1 Stickler syndrome (MIM 108300, 609508), which is a connective tissue disorder with a very high risk of childhood blindness, and it is also associated with dysplastic development of the femoral head. It is unclear whether COL2A1 variants make a definitive contribution to both disorders, or whether the two are indistinguishable using current clinical diagnostic techniques. In this paper, we compare the two conditions and present a case series of 19 patients with genetically confirmed type 1 Stickler syndrome presenting with a historic diagnosis of LCP. In contrast to isolated LCP, children with type 1 Stickler syndrome have a very high risk of blindness from giant retinal tear detachment, but this is now largely preventable if a timely diagnosis is made. This paper highlights the potential for avoidable blindness in children presenting to clinicians with features suggestive of LCP disease but with underlying Stickler syndrome and proposes a simple scoring system to assist clinicians.
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Affiliation(s)
- Aijing Wang
- NHS England Highly Specialised Stickler Syndrome Diagnostic Service, Addenbrooke's Hospital, Cambridge, UK
- Vitreoretinal Research Group, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge, UK
| | - Thomas Nixon
- Vitreoretinal Research Group, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge, UK
| | - Howard Martin
- NHS England Highly Specialised Stickler Syndrome Diagnostic Service, Addenbrooke's Hospital, Cambridge, UK
- Vitreoretinal Research Group, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge, UK
| | - Allan Richards
- NHS England Highly Specialised Stickler Syndrome Diagnostic Service, Addenbrooke's Hospital, Cambridge, UK
- Vitreoretinal Research Group, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge, UK
| | - Annie McNinch
- NHS England Highly Specialised Stickler Syndrome Diagnostic Service, Addenbrooke's Hospital, Cambridge, UK
- Vitreoretinal Research Group, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge, UK
| | - Philip Alexander
- NHS England Highly Specialised Stickler Syndrome Diagnostic Service, Addenbrooke's Hospital, Cambridge, UK
| | - Rathin Pujari
- NHS England Highly Specialised Stickler Syndrome Diagnostic Service, Addenbrooke's Hospital, Cambridge, UK
| | - Peter Bale
- Department of Rheumatology, Cambridge University NHS Foundation Trust, Addenbrooke's Hospital, Cambridge, UK
| | - Nicholas Shenker
- Department of Rheumatology, Cambridge University NHS Foundation Trust, Addenbrooke's Hospital, Cambridge, UK
| | - Philip Bearcroft
- Department of Radiology, Addenbrooke's Hospital, Cambridge, Cambridgeshire, UK
| | - Senjah Brown
- NHS England Highly Specialised Stickler Syndrome Diagnostic Service, Addenbrooke's Hospital, Cambridge, UK
| | - Adrian Blackwell
- NHS England Highly Specialised Stickler Syndrome Diagnostic Service, Addenbrooke's Hospital, Cambridge, UK
| | - Arabella Poulson
- NHS England Highly Specialised Stickler Syndrome Diagnostic Service, Addenbrooke's Hospital, Cambridge, UK
| | - Martin Snead
- NHS England Highly Specialised Stickler Syndrome Diagnostic Service, Addenbrooke's Hospital, Cambridge, UK
- Vitreoretinal Research Group, John van Geest Centre for Brain Repair, University of Cambridge, Cambridge, UK
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Tan C, Li L, Han J, Xu K, Liu X. A new strategy for osteoarthritis therapy: Inhibition of glycolysis. Front Pharmacol 2022; 13:1057229. [PMID: 36438808 PMCID: PMC9685317 DOI: 10.3389/fphar.2022.1057229] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 10/27/2022] [Indexed: 11/12/2022] Open
Abstract
Osteoarthritis (OA) is a common degenerative disease of the joints. It is primarily caused by age, obesity, mechanical damage, genetics, and other factors, leading to cartilage degradation, synovial inflammation, and subchondral sclerosis with osteophyte formation. Many recent studies have reported that glycolysis disorders are related lead to OA. There is a close relationship between glycolysis and OA. Because of their hypoxic environment, chondrocytes are highly dependent on glycolysis, their primary energy source for chondrocytes. Glycolysis plays a vital role in OA development. In this paper, we comprehensively summarized the abnormal expression of related glycolytic enzymes in OA, including Hexokinase 2 (HK2), Pyruvate kinase 2 (PKM2), Phosphofructokinase-2/fructose-2, 6-Bisphosphatase 3 (PFKFB3), lactate dehydrogenase A (LDHA), and discussed the potential application of glycolysis in treating OA. Finally, the natural products that can regulate the glycolytic pathway were summarized. Targeting glucose transporters and rate-limiting enzymes to glycolysis may play an essential role in treating OA.
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Affiliation(s)
| | | | | | - Kang Xu
- *Correspondence: Kang Xu, ; Xianqiong Liu,
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Clinical and Genetic Characteristics of COL2A1-Associated Skeletal Dysplasias in 60 Russian Patients: Part I. Genes (Basel) 2022; 13:genes13010137. [PMID: 35052477 PMCID: PMC8775336 DOI: 10.3390/genes13010137] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 01/09/2022] [Accepted: 01/11/2022] [Indexed: 02/04/2023] Open
Abstract
The significant variability in the clinical manifestations of COL2A1-associated skeletal dysplasias makes it necessary to conduct a clinical and genetic analysis of individual nosological variants, which will contribute to improving our understanding of the pathogenetic mechanisms and prognosis. We presented the clinical and genetic characteristics of 60 Russian pediatric patients with type II collagenopathies caused by previously described and newly identified variants in the COL2A1 gene. Diagnosis confirmation was carried out by new generation sequencing of the target panel with subsequent validation of the identified variants using automated Sanger sequencing. It has been shown that clinical forms of spondyloepiphyseal dysplasias predominate in childhood, both with more severe clinical manifestations (58%) and with unusual phenotypes of mild forms with normal growth (25%). However, Stickler syndrome, type I was less common (17%). In the COL2A1 gene, 28 novel variants were identified, and a total of 63% of the variants were found in the triple helix region resulted in glycine substitution in Gly-XY repeats, which were identified in patients with clinical manifestations of congenital spondyloepiphyseal dysplasia with varying severity, and were not found in Stickler syndrome, type I and Kniest dysplasia. In the C-propeptide region, five novel variants leading to the development of unusual phenotypes of spondyloepiphyseal dysplasia have been identified.
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Li P, Wang A, Li J, Li X, Sun W, Liu Q. COL2A1 Mutation (c.611G>C) Leads to Early-Onset Osteoarthritis in a Chinese Family. Int J Gen Med 2021; 14:2569-2574. [PMID: 34168485 PMCID: PMC8217077 DOI: 10.2147/ijgm.s310050] [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: 03/08/2021] [Accepted: 05/12/2021] [Indexed: 11/23/2022] Open
Abstract
Mutations in the gene coding collagen type II α1 chain (COL2A1) are associated with a series of human disorders mainly involving the skeletal system. Here, we describe the second family with COL2A1 mutation, c.611G>C, Gly204Ala, leading to a replacement of glycine in the core triple helical (Gly-X-Y) domain of COL2A1 gene. The replacements of glycine in every third position of the triple with other amino acids will cause failure in the structure of type II collagen. The affected family members manifested early-onset osteoarthritis involving multiple joints. We propose that the COL2A1 gene should be taken into consideration for genetic counseling for patients with hereditary premature osteoarthritis and individuals carrying this mutation should receive early interventions for osteoarthritis.
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Affiliation(s)
- Pengyu Li
- Department of Interventional Radiology and Vascular Surgery, Peking University First Hospital, Beijing, People's Republic of China.,Department of Medical Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China
| | - Anran Wang
- Department of Medical Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China
| | - Jiangxia Li
- Department of Medical Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China
| | - Xi Li
- Department of Medical Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China
| | - Wenjie Sun
- Department of Medical Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China
| | - Qiji Liu
- Department of Medical Genetics, School of Basic Medical Sciences, Cheeloo College of Medicine, Shandong University, Jinan, People's Republic of China
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Bouchard M, Mattioli-Lewis T, Czerniecki S, Shenoi S, Goldberg MJ. Czech Dysplasia Masquerading as Juvenile Idiopathic Arthritis. J Clin Rheumatol 2021; 27:e149-e153. [PMID: 30363003 DOI: 10.1097/rhu.0000000000000912] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Human Chondrocytes from Human Adipose Tissue-Derived Mesenchymal Stem Cells Seeded on a Dermal-Derived Collagen Matrix Sheet: Our Preliminary Results for a Ready to Go Biotechnological Cartilage Graft in Clinical Practice. Stem Cells Int 2021; 2021:6664697. [PMID: 33679990 PMCID: PMC7929680 DOI: 10.1155/2021/6664697] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Revised: 12/16/2020] [Accepted: 02/06/2021] [Indexed: 12/15/2022] Open
Abstract
Background The articular cartilage is unique in that it contains only a single type of cell and shows poor ability for spontaneous healing. Cartilage tissue engineering which uses mesenchymal stem cells (MSCs) and adipose tissue-derived mesenchymal stem cells (AT-MSCs) is considered an attractive treatment for cartilage lesions and osteoarthritis. The establishment of cartilage regenerative medicine is an important clinical issue, but the search for cell sources able to restore cartilage integrity proves to be challenging. The aim of this study was to create cartilage grafts from the combination of AT-MSCs and collagen substrates. Methods Mesenchymal stem cells were obtained from human donors' adipose tissue, and collagen scaffold, obtained from human skin and cleaned from blood vessels, adipose tissues, and debris, which only preserve dermis and epidermis, were seeded and cultured on collagen substrates and differentiated to chondrocytes. The obtained chondrocyte extracellular matrix of cartilage was then evaluated for the expression of chondrocyte-/cartilage-specific markers, the Cartilage Oligomeric Matrix Protein (COMP), collagen X, alpha-1 polypeptide (COL10A1), and the Collagen II, Human Tagged ORF Clone (COL2A1) by using the reverse transcription polymerase chain reaction (RT-PCR). Results Our findings have shown that the dermal collagen may exert important effects on the quality of in vitro expanded chondrocytes, leading in this way that the influence of collagen skin matrix helps to produce highly active and functional chondrocytes for long-term cartilage tissue regeneration. Conclusion This research opens up the possibility of generating cartilage grafts with the precise purpose of improving the existing limitation in current clinical procedures.
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Pathophysiological Perspective of Osteoarthritis. ACTA ACUST UNITED AC 2020; 56:medicina56110614. [PMID: 33207632 PMCID: PMC7696673 DOI: 10.3390/medicina56110614] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2020] [Revised: 11/05/2020] [Accepted: 11/06/2020] [Indexed: 12/14/2022]
Abstract
Osteoarthritis (OA) is the most well-known degenerative disease among the geriatric and is a main cause of significant disability in daily living. It has a multifactorial etiology and is characterized by pathological changes in the knee joint structure including cartilage erosion, synovial inflammation, and subchondral sclerosis with osteophyte formation. To date, no efficient treatment is capable of altering the pathological progression of OA, and current therapy is broadly divided into pharmacological and nonpharmacological measures prior to surgical intervention. In this review, the significant risk factors and mediators, such as cytokines, proteolytic enzymes, and nitric oxide, that trigger the loss of the normal homeostasis and structural changes in the articular cartilage during the progression of OA are described. As the understanding of the mechanisms underlying OA improves, treatments are being developed that target specific mediators thought to promote the cartilage destruction that results from imbalanced catabolic and anabolic activity in the joint.
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Drtikolová Kaupová S, Velemínský P, Cvrček J, Džupa V, Kuželka V, Laboš M, Němečková A, Tomková K, Zazvonilová E, Kacki S. Multiple occurrence of premature polyarticular osteoarthritis in an early medieval Bohemian cemetery (Prague, Czech Republic). INTERNATIONAL JOURNAL OF PALEOPATHOLOGY 2020; 30:35-46. [PMID: 32417673 DOI: 10.1016/j.ijpp.2020.04.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/29/2019] [Revised: 04/06/2020] [Accepted: 04/10/2020] [Indexed: 06/11/2023]
Abstract
OBJECTIVES To highlight conditions that may cause early-onset degenerative joint disease, and to assess the possible impact of such diseases upon everyday life. MATERIAL Four adults aged under 50 years from a medieval skeletal collection of Prague (Czechia). METHODS Visual, osteometric, X-ray, and histological examinations, stable isotope analysis of bone collagen. RESULTS All four individuals showed multiple symmetrical degenerative changes, affecting the majority of joints of the postcranial skeleton. Associated dysplastic deformities were observed in all individuals, including bilateral hip dysplasia (n = 1), flattening of the femoral condyles (n = 3), and substantial deformation of the elbows (n = 3). The diet of the affected individuals differed from the contemporary population sample. CONCLUSIONS We propose the diagnosis of a mild form of skeletal dysplasia in these four individuals, with multiple epiphyseal dysplasia or type-II collagenopathy linked to premature osteoarthritis as the most probable causes. SIGNIFICANCE Combining the skeletal findings with information from the medical literature, this paper defines several characteristic traits which may assist with the diagnosis of skeletal dysplasia in the archaeological record. LIMITATIONS As no genetic analysis was performed to confirm the possible kinship of the individuals, it is not possible to definitively assess whether the individuals suffered from the same hereditary condition or from different forms of skeletal dysplasia. SUGGESTIONS FOR FURTHER RESEARCH Further studies on premature osteoarthritis in archaeological skeletal series are needed to correct the underrepresentation of these mild forms of dysplasia in past populations.
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Affiliation(s)
- Sylva Drtikolová Kaupová
- Department of Anthropology, National Museum, Václavské Náměstí 68, 11579 Praha 1, Czech Republic.
| | - Petr Velemínský
- Department of Anthropology, National Museum, Václavské Náměstí 68, 11579 Praha 1, Czech Republic.
| | - Jan Cvrček
- Department of Anthropology, National Museum, Václavské Náměstí 68, 11579 Praha 1, Czech Republic; Department of Anthropology and Human Genetics, Faculty of Science, Charles University, Viničná 7, 128 43, Praha 2, Czech Republic.
| | - Valér Džupa
- Deparment of Orthopaedics and Traumatology, Third Faculty of Medicine, Charles University, and University Hospital Kralovske Vinohrady, Srobarova 50, 100 34, Praha 10, Czech Republic.
| | - Vítězslav Kuželka
- Department of Anthropology, National Museum, Václavské Náměstí 68, 11579 Praha 1, Czech Republic.
| | - Marek Laboš
- Deparment of Radiodiagnostics, Third Faculty of Medicine, Charles University, and University Hospital Kralovske Vinohrady, Srobarova 50, 100 34, Praha 10, Czech Republic.
| | - Alena Němečková
- Department of Histology and Embryology, Medical Faculty in Pilsen, Charles University, Karlovarská 48, 301 00, Pilsen, Czech Republic.
| | - Kateřina Tomková
- Institute of Archaeology of the Czech Academy of Sciences, Prague, v.v.i., Letenská 4, 118 01 Praha 1, Czech Republic.
| | - Eliška Zazvonilová
- Department of Anthropology and Human Genetics, Faculty of Science, Charles University, Viničná 7, 128 43, Praha 2, Czech Republic; Institute of Archaeology of the Czech Academy of Sciences, Prague, v.v.i., Letenská 4, 118 01 Praha 1, Czech Republic.
| | - Sacha Kacki
- CNRS, UMR 5199 PACEA, Université de Bordeaux, Bât. B8, Allée Geoffroy St Hilaire, CS 50023, 33615 Pessac Cedex, France; Department of Archaeology, Durham University, South Road, Durham, DH1 3LE, United Kingdom.
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Ruault V, Yauy K, Fabre A, Fradin M, Van-Gils J, Angelini C, Baujat G, Blanchet P, Cuinat S, Isidor B, Jorgensen C, Lacombe D, Moutton S, Odent S, Sanchez E, Sigaudy S, Touitou I, Willems M, Apparailly F, Geneviève D, Barat-Houari M. Clinical and Molecular Spectrum of Nonsyndromic Early-Onset Osteoarthritis. Arthritis Rheumatol 2020; 72:1689-1693. [PMID: 32510848 DOI: 10.1002/art.41387] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 05/12/2020] [Indexed: 12/18/2022]
Abstract
OBJECTIVE Osteoarthritis (OA) is the most common joint disease worldwide. The etiology of OA is varied, ranging from multifactorial to environmental to monogenic. In a condition called early-onset OA, OA occurs at an earlier age than is typical in the general population. To our knowledge, there have been no large-scale genetic studies of individuals with early-onset OA. The present study was undertaken to investigate causes of monogenic OA in individuals with nonsyndromic early-onset OA. METHODS The study probands were 45 patients with nonsyndromic early-onset OA who were referred to our skeletal disease center by skeletal dysplasia experts between 2013 and 2019. Criteria for early-onset OA included radiographic evidence, body mass index ≤30 kg/m2 , age at onset ≤50 years, and involvement of ≥1 joint site. Molecular analysis was performed with a next-generation sequencing panel. RESULTS We identified a genetic variant in 13 probands (29%); the affected gene was COL2A1 in 11, ACAN in 1, and SLC26A2 in 1. After familial segregation analysis, 20 additional individuals were identified. The mean ± SD age at onset of joint pain was 19.5 ± 3.9 years (95% confidence interval 3-47). Eighteen of 33 subjects (55%) with nonsyndromic early-onset OA and a genetic variant had had at least 1 joint replacement (mean ± SD age at first joint replacement 41 ± 4.2 years; mean number of joint replacements 2.6 per individual), and 21 (45%) of the joint replacement surgeries were performed when the patient was <45 years old. Of the 20 patients age >40 years, 17 (85%) had had at least 1 joint replacement. CONCLUSION We confirmed that COL2A1 is the main monogenic cause of nonsyndromic early-onset OA. However, on the basis of genetic heterogeneity of early-onset OA, we recommend next-generation sequencing for all individuals who undergo joint replacement prior to the age of 45 years. Lifestyle recommendations for prevention should be implemented.
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Affiliation(s)
- Valentin Ruault
- Université de Montpellier, Centre Hospitalier Universitaire Montpellier, CLAD Sud Languedoc-Roussillon, Montpellier, France
| | - Kevin Yauy
- Université de Montpellier, Centre Hospitalier Universitaire Montpellier, CLAD Sud Languedoc-Roussillon and SeqOne, Montpellier, France, and Institute of Advanced Biosciences, Université Grenoble Alpes, INSERM U1209, CNRS UMR 5309, Grenoble, France
| | - Aurélie Fabre
- Université de Montpellier, Centre Hospitalier Universitaire Montpellier, CLAD Sud Languedoc-Roussillon, Montpellier, France
| | - Mélanie Fradin
- Centre Hospitalier Universitaire Hôpital Sud, CLAD Ouest, CNRS UMR 6290, Université de Rennes, Rennes, France
| | | | | | | | - Patricia Blanchet
- Université de Montpellier, Centre Hospitalier Universitaire Montpellier, CLAD Sud Languedoc-Roussillon, Montpellier, France
| | - Silvestre Cuinat
- Centre Hospitalier Universitaire Nantes, CLAD Ouest, Nantes, France
| | - Bertrand Isidor
- Centre Hospitalier Universitaire Nantes, CLAD Ouest, Nantes, France
| | - Christian Jorgensen
- Université de Montpellier, Centre Hospitalier Universitaire Montpellier, INSERM, Montpellier, France
| | | | - Sébastien Moutton
- Centre Pluridisciplinaire de Diagnostic Prénatal, Pôle Mère-Enfant, Maison de Santé Protestante de Bordeaux-Bagatelle, Talence, France
| | - Sylvie Odent
- Centre Hospitalier Universitaire Hôpital Sud, CLAD Ouest, CNRS UMR 6290, Université de Rennes, Rennes, France
| | - Elodie Sanchez
- Université de Montpellier, Centre Hospitalier Universitaire Montpellier, CLAD Sud Languedoc-Roussillon, INSERM, Montpellier, France
| | - Sabine Sigaudy
- Centre Hospitalier Universitaire de Marseille, Hôpital de la Timone, Marseille, France
| | - Isabelle Touitou
- Université de Montpellier, Centre Hospitalier Universitaire Montpellier, CLAD Sud Languedoc-Roussillon, INSERM, Montpellier, France
| | - Marjolaine Willems
- Université de Montpellier, Centre Hospitalier Universitaire Montpellier, CLAD Sud Languedoc-Roussillon, Montpellier, France
| | - Florence Apparailly
- Université de Montpellier, Centre Hospitalier Universitaire Montpellier, CLAD Sud Languedoc-Roussillon, INSERM, Montpellier, France
| | - David Geneviève
- Université de Montpellier, Centre Hospitalier Universitaire Montpellier, CLAD Sud Languedoc-Roussillon, INSERM, Montpellier, France
| | - Mouna Barat-Houari
- Université de Montpellier, Centre Hospitalier Universitaire Montpellier, CLAD Sud Languedoc-Roussillon, Montpellier, France
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11
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Dennis EP, Greenhalgh-Maychell PL, Briggs MD. Multiple epiphyseal dysplasia and related disorders: Molecular genetics, disease mechanisms, and therapeutic avenues. Dev Dyn 2020; 250:345-359. [PMID: 32633442 DOI: 10.1002/dvdy.221] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/02/2020] [Accepted: 07/02/2020] [Indexed: 12/23/2022] Open
Abstract
For the vast majority of the 6000 known rare disease the pathogenic mechanisms are poorly defined and there is little treatment, leading to poor quality of life and high healthcare costs. Genetic skeletal diseases (skeletal dysplasias) are archetypal examples of rare diseases that are chronically debilitating, often life-threatening and for which no treatments are currently available. There are more than 450 unique phenotypes that, although individually rare, have an overall prevalence of at least 1 per 4000 children. Multiple epiphyseal dysplasia (MED) is a clinically and genetically heterogeneous disorder characterized by disproportionate short stature, joint pain, and early-onset osteoarthritis. MED is caused by mutations in the genes encoding important cartilage extracellular matrix proteins, enzymes, and transporter proteins. Recently, through the use of various cell and mouse models, disease mechanisms underlying this diverse phenotypic spectrum are starting to be elucidated. For example, ER stress induced as a consequence of retained misfolded mutant proteins has emerged as a unifying disease mechanisms for several forms of MED in particular and skeletal dysplasia in general. Moreover, targeting ER stress through drug repurposing has become an attractive therapeutic avenue.
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Affiliation(s)
- Ella P Dennis
- Biosciences Institute, Newcastle University, International Centre for Life, Newcastle Upon Tyne, UK
| | | | - Michael D Briggs
- Biosciences Institute, Newcastle University, International Centre for Life, Newcastle Upon Tyne, UK
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12
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Zhang B, Zhang Y, Wu N, Li J, Liu H, Wang J. Integrated analysis of COL2A1 variant data and classification of type II collagenopathies. Clin Genet 2019; 97:383-395. [PMID: 31758797 DOI: 10.1111/cge.13680] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 11/18/2019] [Accepted: 11/20/2019] [Indexed: 11/29/2022]
Abstract
The COL2A1 gene encodes the alpha-1 chain of type II procollagen. Type II collagen, comprised of three identical alpha-1 chains, is the major component of cartilage. COL2A1 gene variants are the etiologies of genetic diseases, termed type II collagenopathies, with a wide spectrum of clinical presentations. To date, at least 460 distinct COL2A1 mutations, identified in 663 independent probands, and 21 definite disorders have been reported. Nevertheless, a well-defined genotype-phenotype correlation has not been established, and few hot spots of mutation have been reported. In this study, we analyzed data of COL2A1 variants and clinical information of patients obtained from the Leiden Open Variation Database 3.0, as well as the currently available relevant literature. We determined the characteristics of the COL2A1 variants and distributions of the clinical manifestations in patients, and identified four likely genotype-phenotype correlations. Moreover, we classified 21 COL2A1-related disorders into five categories, which may assist clinicians in understanding the essence of these complex phenotypes and prompt genetic screening in clinical practice.
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Affiliation(s)
- Boyan Zhang
- Orthopedic Medical Center, The Second Hospital of Jilin University, Changchun, China
| | - Yue Zhang
- Department of Radiation Oncology, First Bethune Hospital of Jilin University, Changchun, China
| | - Naichao Wu
- Orthopedic Medical Center, The Second Hospital of Jilin University, Changchun, China
| | - Jianing Li
- Jilin Provincial Key Laboratory of Animal Embryo Engineering, College of Animal Sciences, Jilin University, Changchun, China
| | - He Liu
- Orthopedic Medical Center, The Second Hospital of Jilin University, Changchun, China
| | - Jincheng Wang
- Orthopedic Medical Center, The Second Hospital of Jilin University, Changchun, China
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13
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Lian C, Wang X, Qiu X, Wu Z, Gao B, Liu L, Liang G, Zhou H, Yang X, Peng Y, Liang A, Xu C, Huang D, Su P. Collagen type II suppresses articular chondrocyte hypertrophy and osteoarthritis progression by promoting integrin β1-SMAD1 interaction. Bone Res 2019; 7:8. [PMID: 30854241 PMCID: PMC6403405 DOI: 10.1038/s41413-019-0046-y] [Citation(s) in RCA: 127] [Impact Index Per Article: 25.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2018] [Revised: 12/01/2018] [Accepted: 12/12/2018] [Indexed: 12/29/2022] Open
Abstract
Hypertrophic differentiation is not only the terminal process of endochondral ossification in the growth plate but is also an important pathological change in osteoarthritic cartilage. Collagen type II (COL2A1) was previously considered to be only a structural component of the cartilage matrix, but recently, it has been revealed to be an extracellular signaling molecule that can significantly suppress chondrocyte hypertrophy. However, the mechanisms by which COL2A1 regulates hypertrophic differentiation remain unclear. In our study, a Col2a1 p.Gly1170Ser mutant mouse model was constructed, and Col2a1 loss was demonstrated in homozygotes. Loss of Col2a1 was found to accelerate chondrocyte hypertrophy through the bone morphogenetic protein (BMP)-SMAD1 pathway. Upon interacting with COL2A1, integrin β1 (ITGB1), the major receptor for COL2A1, competed with BMP receptors for binding to SMAD1 and then inhibited SMAD1 activation and nuclear import. COL2A1 could also activate ITGB1-induced ERK1/2 phosphorylation and, through ERK1/2-SMAD1 interaction, it further repressed SMAD1 activation, thus inhibiting BMP-SMAD1-mediated chondrocyte hypertrophy. Moreover, COL2A1 expression was downregulated, while chondrocyte hypertrophic markers and BMP-SMAD1 signaling activity were upregulated in degenerative human articular cartilage. Our study reveals novel mechanisms for the inhibition of chondrocyte hypertrophy by COL2A1 and suggests that the degradation and decrease in COL2A1 might initiate and promote osteoarthritis progression. A signaling feedback loop that contributes to cartilage degeneration may offer a fruitful target for the treatment of osteoarthritis. During the early stages of this disorder, cartilage-forming chondrocytes undergo a process of expansion known as hypertrophy, after which they die and are replaced by calcium. Researchers led by Peiqiang Su and Dongsheng Huang of Sun Yat-sen University have demonstrated that COL2A1, an important structural protein, represents an important safeguard against hypertrophy. COL2A1 helps maintain chondrocytes in their normal, healthy state, but Su and Huang showed that signaling factors produced during cartilage repair can reduce COL2A1 levels. This in turn accelerates hypertrophy, promoting further depletion of COL2A1 and ultimately leading to full-blown osteoarthritis. Drugs that break this cycle and preserve COL2A1 could thus help protect endangered joints before the damage becomes severe.
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Affiliation(s)
- Chengjie Lian
- 1Department of Orthopedics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong China.,2Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong China
| | - Xudong Wang
- 2Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong China
| | - Xianjian Qiu
- 2Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong China
| | - Zizhao Wu
- 3Department of Orthopedics, The Third Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong China
| | - Bo Gao
- 2Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong China
| | - Lei Liu
- 4Department of Microbiology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong China
| | - Guoyan Liang
- Division of Orthopaedic Surgery, Department of Surgery, Guangdong General Hospital, Guangdong Academy of Medicine Science, Guangzhou, Guangdong China
| | - Hang Zhou
- 1Department of Orthopedics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong China
| | - Xiaoming Yang
- 1Department of Orthopedics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong China
| | - Yan Peng
- 2Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong China
| | - Anjing Liang
- 2Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong China
| | - Caixia Xu
- 6Research Centre for Translational Medicine, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong China
| | - Dongsheng Huang
- 2Department of Orthopedics, Sun Yat-sen Memorial Hospital of Sun Yat-sen University, Guangzhou, Guangdong China
| | - Peiqiang Su
- 1Department of Orthopedics, The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong China
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14
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Dasa V, Eastwood JRB, Podgorski M, Park H, Blackstock C, Antoshchenko T, Rogala P, Bieganski T, Jazwinski SM, Czarny-Ratajczak M. Exome sequencing reveals a novel COL2A1 mutation implicated in multiple epiphyseal dysplasia. Am J Med Genet A 2019; 179:534-541. [PMID: 30740902 DOI: 10.1002/ajmg.a.61049] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2018] [Revised: 12/11/2018] [Accepted: 12/27/2018] [Indexed: 12/27/2022]
Abstract
Mutations in the COMP, COL9A1, COL9A2, COL9A3, MATN3, and SLC26A2 genes cause approximately 70% of multiple epiphyseal dysplasia (MED) cases. The genetic changes involved in the etiology of the remaining cases are still unknown, suggesting that other genes contribute to MED development. Our goal was to identify a mutation causing an autosomal dominant form of MED in a large multigenerational family. Initially, we excluded all genes known to be associated with autosomal dominant MED by using microsatellite and SNP markers. Follow-up with whole-exome sequencing analysis revealed a mutation c.2032G>A (p.Gly678Arg) in the COL2A1 gene (NCBI Reference Sequence: NM_001844.4), which co-segregated with the disease phenotype in this family, manifested by severe hip dysplasia and osteoarthritis. One of the affected family members had a double-layered patella, which is frequently seen in patients with autosomal recessive MED caused by DTDST mutations and sporadically in the dominant form of MED caused by COL9A2 defect.
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Affiliation(s)
- Vinod Dasa
- Department of Orthopaedic Surgery, Louisiana State University Health Sciences Center, New Orleans, Louisiana
| | - James R B Eastwood
- Tulane Center for Aging, Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana
| | - Michal Podgorski
- Department of Diagnostic Imaging, Polish Mother's Memorial Hospital Research Institute, Lodz, Poland
| | - Heewon Park
- Department of Biochemistry and Molecular Biology, Tulane University School of Medicine, New Orleans, Louisiana
| | - Christopher Blackstock
- Tulane Center for Aging, Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana
| | - Tetyana Antoshchenko
- Department of Biochemistry and Molecular Biology, Tulane University School of Medicine, New Orleans, Louisiana
| | - Piotr Rogala
- Department of Spine Surgery, Oncological Orthopedics and Traumatology, W. Dega University Hospital, Poznan University of Medical Sciences, Poznan, Poland.,Department of Physiotherapy, H. Cegielski State College, Gniezno, Poland
| | - Tadeusz Bieganski
- Department of Diagnostic Imaging, Polish Mother's Memorial Hospital Research Institute, Lodz, Poland
| | - S Michal Jazwinski
- Tulane Center for Aging, Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana
| | - Malwina Czarny-Ratajczak
- Tulane Center for Aging, Department of Medicine, Tulane University School of Medicine, New Orleans, Louisiana
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15
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Seegmiller RE, Foster C, Burnham JL. Understanding chondrodysplasia (cho): A comprehensive review of cho as an animal model of birth defects, disorders, and molecular mechanisms. Birth Defects Res 2019; 111:237-247. [PMID: 30719872 DOI: 10.1002/bdr2.1473] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2019] [Accepted: 01/18/2019] [Indexed: 11/11/2022]
Abstract
BACKGROUND The mutant chondrodysplasia (cho) is a cartilage-targeting disorder in C57BL mice that results in dwarfing and other malformations stemming from this collagenopathy. Clarke Fraser made the discovery of the mutation accidentally in the early 1960s during the thalidomide tragedy. METHODS For this review we identified key research on cho as since its discovery. Relevant data were compiled to make a comprehensive review that details discoveries associated with the cho mutation, that describes the associated phenotypes and molecular mechanisms, and that provides a discussion surrounding its current clinical relevance. RESULTS Mechanistically, cho acts by hindering chondrogenesis and endochondral bone formation. The phenotype results from a 1-nt deletion in the gene encoding the alpha 1 chain of type XI collagen. For more than half a century, researchers have studied the pathogenesis of the cho mutation in relation to a variety of mouse models of human birth defects and disease. These studies have resulted in several discoveries linking cho with such human disorders as dwarfism, tracheal stenosis, cleft palate, pulmonary hypoplasia, and osteoarthritis (OA). CONCLUSION The study of cho has led to numerous advances in understanding human birth defects, congenital disorders, and adult human disease. The most recent studies have suggested a role for the TGF-Beta, HtrA1, Ddr2, and Mmp-13 pathway in the degradation of articular cartilage and the development of OA in cho/+ mice. We have shown that the anti-hypertension drug Losartan is a TGF-Beta blocker that could be used to treat OA in Stickler syndrome, and thereby rescue the WT phenotype.
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Affiliation(s)
- Robert E Seegmiller
- Department of Physiology and Developmental Biology, Brigham Young University, Provo, Utah
| | - Cameron Foster
- Department of Physiology and Developmental Biology, Brigham Young University, Provo, Utah
| | - Jared L Burnham
- Department of Physiology and Developmental Biology, Brigham Young University, Provo, Utah
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16
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Savarirayan R, Bompadre V, Bober MB, Cho TJ, Goldberg MJ, Hoover-Fong J, Irving M, Kamps SE, Mackenzie WG, Raggio C, Spencer SS, White KK. Best practice guidelines regarding diagnosis and management of patients with type II collagen disorders. Genet Med 2019; 21:2070-2080. [PMID: 30696995 DOI: 10.1038/s41436-019-0446-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 01/16/2019] [Indexed: 11/09/2022] Open
Abstract
PURPOSE Skeletal dysplasias comprise a heterogeneous group of inherited disorders of development, growth, and maintenance of the human skeleton. Because of their relative rarity and wide phenotypic variability, patients should be accurately identified, uniformly assessed, and managed by clinicians who are aware of their potential complications and possess the knowledge and resources to treat them effectively. This study presents expert guidelines developed to improve the diagnosis and management of patients with type II collagen skeletal disorders to optimize clinical outcomes. METHODS A panel of 11 multidisciplinary international experts in the field of skeletal dysplasia participated in a Delphi process, which comprised analysis of a thorough literature review with subsequent generation of 26 diagnosis and care recommendations, followed by two rounds of anonymous voting with an intervening face-to-face meeting. Those recommendations with more than 80% agreement were considered as consensual. RESULTS After the first voting round, consensus was reached to support 12 of 26 (46%) statements. After the panel discussion, the group reached consensus on 22 of 24 revised statements (92%). CONCLUSIONS Consensus-based, expert best practice guidelines developed as a standard of care to assist accurate diagnosis, minimize associated health risks, and improve clinical outcomes for patients with type II collagen skeletal dysplasias.
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Affiliation(s)
- Ravi Savarirayan
- Victorian Clinical Genetics Services, Murdoch Children's Research Institute, University of Melbourne, VIC, Parkville, Australia.
| | - Viviana Bompadre
- Department of Orthopedics and Sports Medicine, Seattle Children's Hospital, Seattle, WA, USA
| | - Michael B Bober
- Division of Genetics, Nemours A.I. duPont Hospital for Children, Wilmington, DE, USA
| | - Tae-Joon Cho
- Division of Pediatric Orthopaedics, Seoul National University Children's Hospital, Seoul, South Korea
| | - Michael J Goldberg
- Department of Orthopedics and Sports Medicine, Seattle Children's Hospital, University of Washington, Seattle, WA, USA
| | - Julie Hoover-Fong
- McKusick-Nathans Institute of Genetic Medicine, Johns Hopkins University, Baltimore, MD, USA
| | - Melita Irving
- Department of Clinical Genetics, Guy's and St Thomas NHS, London, UK
| | - Shawn E Kamps
- Department of Radiology, Seattle Children's Hospital, University of Washington, Seattle, WA, USA
| | - William G Mackenzie
- Department of Orthopedic Surgery, Nemours A.I. duPont Hospital for Children, Wilmington, DE, USA
| | - Cathleen Raggio
- Department of Orthopedic Surgery, Hospital for Special Surgery, New York, NY, USA
| | - Samantha S Spencer
- Department of Orthopedic Surgery, Boston Children's Hospital, Boston, MA, USA
| | - Klane K White
- Department of Orthopedics and Sports Medicine, Seattle Children's Hospital, University of Washington, Seattle, WA, USA
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17
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Aydemir AT, Alper M, Kockar F. SP1-mediated downregulation of ADAMTS3 gene expression in osteosarcoma models. Gene 2018; 659:1-10. [PMID: 29518549 DOI: 10.1016/j.gene.2018.03.009] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2017] [Revised: 02/06/2018] [Accepted: 03/03/2018] [Indexed: 11/19/2022]
Abstract
ADAMTS3 is a member of procollagen N-proteinase subfamily of ADAMTS (a disintegrin and metalloproteinase with thrombospondin motifs) gene family. It has an important function in the procollagen maturation process. The removal of N-peptidases is required for the accurate processing of fibrillar collagens. Otherwise, several disorders can occur that is related with the collagenous tissues. ADAMTS3 mainly maturates type II collagen molecule which is the main component of the bone and cartilage. There are several expression studies about ADAMTS3 gene however its transcriptional regulation has not been lightened up, yet. Here we first time cloned and functionally analyzed the promoter region of ADAMTS3 gene, approximately 1380 bp upstream of the transcription start site. Transient transfection experiments showed that all truncated promoter constructs are active and 171 bp fragment is sufficient to activate gene expression in both Saos-2 and MG63 cells. In silico analysis showed that ADAMTS3 has a TATA-less promoter and contains several SP1/GC box binding motifs and a CpG island. Therefore we mainly investigated the SP1 dependent regulation of ADAMTS3 promoter. SP1 downregulated ADAMTS3 transcriptional activity. As consistent with the transcriptional activity, mRNA, and protein expression levels were also decreased by SP1. On the other hand, functional binding of the SP1 on multiple regions of ADAMTS3 promoter was confirmed by EMSA studies. As ADAMTS3 is responsible for the collagen maturation and biosynthesis, further we investigated the effect of SP1 on type I-II and III collagen gene expressions. We point out that SP1 increased type II and III collagen expression and in contrast decreased type I collagen expression levels in Saos-2 cells. mRNA expression level was decreased for all collagen types in MG63 model. Decrease in the type II collagen expression was also demonstrated at the protein level by SP1. Collectively these results provide first findings for the SP1-related transcriptional regulation of ADAMTS3 and collagen genes in osteosarcoma cell lines.
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Affiliation(s)
- A Tuğşen Aydemir
- Balıkesir University, Faculty of Science and Literature, Department of Biology, 10145 Balikesir, Turkey
| | - Meltem Alper
- Aksaray University, Aksaray Vocational School of Technical Sciences, 68100 Aksaray, Turkey
| | - Feray Kockar
- Balıkesir University, Faculty of Science and Literature, Department of Molecular Biology, 10145 Balikesir, Turkey.
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18
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Liu F, Xiong Z, Liu Q, Hu J, Li W, Zhang N. COL2A1 mutation (c.3508G>A) leads to avascular necrosis of the femoral head in a Chinese family: A case report. Mol Med Rep 2018; 18:254-260. [PMID: 29750297 PMCID: PMC6059677 DOI: 10.3892/mmr.2018.8984] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Accepted: 03/08/2018] [Indexed: 01/13/2023] Open
Abstract
Avascular necrosis of the femoral head (ANFH) is a consequence of ischemia. Although the majority of cases of ANFH are sporadic, certain familial cases of ANFH have been reported to be associated with collagen type II α1 chain (COL2A1) mutations, which lead to COL2A1 gene dysfunction. The structure of secreted type II collagen contains a core area with a triple helical glycine (Gly)-X-Y domain, and the replacement of Gly in this region as a result of COL2A1 mutations may damage the structure of type II collagen. In the present study, a Chinese family with ANFH was recruited and genetic analysis was conducted to determine whether COL2A1 mutations were implicated in this familial ANFH. A three-generation family containing 31 members, as well as 20 patients with sporadic ANFH, were recruited for investigation. The diagnosis was performed by independent surgeons and radiologists according to internationally recognized criteria. In the present study, a heterozygous c.3508G>A mutation in exon 50 of the COL2A1 gene was identified, which results in the substitution of Gly with serine at codon 1,170. Furthermore, genetic pedigree analysis indicated that this mutation was inherited in an autosomal dominant manner. The present study revealed that a heterozygous c.3508G>A mutation in the COL2A1 gene was involved in ANFH development in one Chinese family. Therefore, it is proposed that individuals who carry this c.3508G>A mutation in the COL2A1 gene should receive genetic counseling and early intervention for ANFH.
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Affiliation(s)
- Fang Liu
- Department of Orthopedics, Second Hospital of Yueyang, Yueyang, Hunan 414000, P.R. China
| | - Zhizheng Xiong
- Department of Orthopedics, Second Hospital of Yueyang, Yueyang, Hunan 414000, P.R. China
| | - Qi Liu
- Department of Orthopedics, Second Hospital of Yueyang, Yueyang, Hunan 414000, P.R. China
| | - Jinxi Hu
- Department of Orthopedics, Second Hospital of Yueyang, Yueyang, Hunan 414000, P.R. China
| | - Wenhua Li
- Department of Orthopedics, Second Hospital of Yueyang, Yueyang, Hunan 414000, P.R. China
| | - Na Zhang
- Department of Orthopedics, Second Hospital of Yueyang, Yueyang, Hunan 414000, P.R. China
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19
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Dhaon P, Das S, Nolkha N. Arthritis in Stickler syndrome: Inflammatory or degenerative? Int J Rheum Dis 2017; 20:1785-1787. [DOI: 10.1111/1756-185x.12714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Pooja Dhaon
- Department of Rheumatology; King George's Medical University; Lucknow Uttar-Pradesh India
| | - Siddharth Das
- Department of Rheumatology; King George's Medical University; Lucknow Uttar-Pradesh India
| | - Nilesh Nolkha
- Department of Rheumatology; King George's Medical University; Lucknow Uttar-Pradesh India
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20
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Tompson SW, Johnson C, Abbott D, Bakall B, Soler V, Yanovitch TL, Whisenhunt KN, Klemm T, Rozen S, Stone EM, Johnson M, Young TL. Reduced penetrance in a large Caucasian pedigree with Stickler syndrome. Ophthalmic Genet 2017; 38:43-50. [PMID: 28095098 DOI: 10.1080/13816810.2016.1275018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
BACKGROUND In a four-generation Caucasian family variably diagnosed with autosomal dominant (AD) Stickler or Wagner disease, commercial gene screening failed to identify a mutation in COL2A1 or VCAN. We utilized linkage mapping and exome sequencing to identify the causal variant. MATERIALS AND METHODS Genomic DNA samples collected from 40 family members were analyzed. A whole-genome linkage scan was performed using Illumina HumanLinkage-24 BeadChip followed by two-point and multipoint linkage analyses using FASTLINK and MERLIN. Exome sequencing was performed on two affected individuals, followed by co-segregation analysis. RESULTS Parametric multipoint linkage analysis using an AD inheritance model demonstrated HLOD scores > 2.00 at chromosomes 1p36.13-1p36.11 and 12q12-12q14.1. SIMWALK multipoint analysis replicated the peak in chromosome 12q (peak LOD = 1.975). FASTLINK two-point analysis highlighted several clustered chromosome 12q SNPs with HLOD > 1.0. Exome sequencing revealed a novel nonsense mutation (c.115C>T, p.Gln39*) in exon 2 of COL2A1 that is expected to result in nonsense-mediated decay of the RNA transcript. This mutation co-segregated with all clinically affected individuals and seven individuals who were clinically unaffected. CONCLUSIONS The utility of combining traditional linkage mapping and exome sequencing is highlighted to identify gene mutations in large families displaying a Mendelian inheritance of disease. Historically, nonsense mutations in exon 2 of COL2A1 have been reported to cause a fully penetrant ocular-only Stickler phenotype with few or no systemic manifestations. We report a novel nonsense mutation in exon 2 of COL2A1 that displays incomplete penetrance and/or variable age of onset with extraocular manifestations.
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Affiliation(s)
- Stuart W Tompson
- a Department of Ophthalmology and Visual Sciences , University of Wisconsin - Madison , Madison , Wisconsin , USA
| | | | - Diana Abbott
- c Department of Biostatistics and Informatics , University of Colorado Anschutz Medical Campus , Aurora , Colorado , USA
| | - Benjamin Bakall
- d Department of Ophthalmology and Visual Sciences , University of Iowa Carver College of Medicine , Iowa City , Iowa , USA
| | - Vincent Soler
- e Centre de Physiopathologie de Toulouse Purpan , Université Paul Sabatier , Toulouse , France
| | - Tammy L Yanovitch
- f Department of Ophthalmology, Dean McGee Eye Institute , University of Oklahoma , Oklahoma City , Oklahoma , USA
| | - Kristina N Whisenhunt
- a Department of Ophthalmology and Visual Sciences , University of Wisconsin - Madison , Madison , Wisconsin , USA
| | - Thomas Klemm
- g Duke-National University of Singapore Graduate Medical School , Singapore
| | - Steve Rozen
- g Duke-National University of Singapore Graduate Medical School , Singapore
| | - Edwin M Stone
- d Department of Ophthalmology and Visual Sciences , University of Iowa Carver College of Medicine , Iowa City , Iowa , USA
| | - Max Johnson
- b Retina Consultants, Ltd ., Fargo , North Dakota , USA
| | - Terri L Young
- a Department of Ophthalmology and Visual Sciences , University of Wisconsin - Madison , Madison , Wisconsin , USA.,g Duke-National University of Singapore Graduate Medical School , Singapore
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21
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A novel type II collagen gene mutation in a family with spondyloepiphyseal dysplasia and extensive intrafamilial phenotypic diversity. Hum Genome Var 2016; 3:16007. [PMID: 27274858 PMCID: PMC4871930 DOI: 10.1038/hgv.2016.7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2016] [Revised: 03/05/2016] [Accepted: 03/08/2016] [Indexed: 01/03/2023] Open
Abstract
The purpose of this study was to describe a family with spondyloepiphyseal dysplasia caused by a novel type II collagen gene (COL2A1) mutation and the family's phenotypic diversity. Clinical and radiographic examinations of skeletal dysplasia were conducted on seven affected family members across two generations. The entire coding region of COL2A1, including the flanking intron regions, was analyzed with PCR and direct sequencing. The stature of the subjects ranged from extremely short to within normal height range. Hip deformity and advanced osteoarthritis were noted in all the subjects, ranging from severe coxa plana to mild acetabular dysplasia. Atlantoaxial subluxation combined with a hypoplastic odontoid process was found in three of the subjects. Various degrees of platyspondyly were confirmed in all subjects. Genetically, a novel COL2A1 mutation (c.1349G>C, p.Gly450Ala) was identified in all the affected family members; however, it was not present in the one unaffected family member tested. We described a family with spondyloepiphyseal dysplasia and a novel COL2A1 mutation (c.1349G>C, p.Gly450Ala). Phenotypes were diverse even among individuals with the same mutation and within the same family.
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22
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Deng H, Huang X, Yuan L. Molecular genetics of the COL2A1-related disorders. MUTATION RESEARCH-REVIEWS IN MUTATION RESEARCH 2016; 768:1-13. [PMID: 27234559 DOI: 10.1016/j.mrrev.2016.02.003] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Revised: 01/08/2016] [Accepted: 02/23/2016] [Indexed: 12/16/2022]
Abstract
Type II collagen, comprised of three identical alpha-1(II) chains, is the major collagen synthesized by chondrocytes, and is found in articular cartilage, vitreous humour, inner ear and nucleus pulposus. Mutations in the collagen type II alpha-1 gene (COL2A1) have been reported to be responsible for a series of abnormalities, known as type II collagenopathies. To date, 16 definite disorders, inherited in an autosomal dominant or recessive pattern, have been described to be associated with the COL2A1 mutations, and at least 405 mutations ranging from point mutations to complex rearrangements have been reported, though the underlying pathogenesis remains unclear. Significant clinical heterogeneity has been reported in COL2A1-associated type II collagenopathies. In this review, we highlight current knowledge of known mutations in the COL2A1 gene for these disorders, as well as genetic animal models related to the COL2A1 gene, which may help us understand the nature of complex phenotypes and underlying pathogenesis of these conditions.
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Affiliation(s)
- Hao Deng
- Center for Experimental Medicine and Department of Neurology, the Third Xiangya Hospital, Central South University, Changsha 410013, China.
| | - Xiangjun Huang
- Center for Experimental Medicine and Department of Neurology, the Third Xiangya Hospital, Central South University, Changsha 410013, China
| | - Lamei Yuan
- Center for Experimental Medicine and Department of Neurology, the Third Xiangya Hospital, Central South University, Changsha 410013, China
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23
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Barat-Houari M, Sarrabay G, Gatinois V, Fabre A, Dumont B, Genevieve D, Touitou I. Mutation Update for COL2A1 Gene Variants Associated with Type II Collagenopathies. Hum Mutat 2015; 37:7-15. [PMID: 26443184 DOI: 10.1002/humu.22915] [Citation(s) in RCA: 91] [Impact Index Per Article: 10.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2015] [Accepted: 09/23/2015] [Indexed: 12/19/2022]
Abstract
Mutations in the COL2A1 gene cause a spectrum of rare autosomal-dominant conditions characterized by skeletal dysplasia, short stature, and sensorial defects. An early diagnosis is critical to providing relevant patient care and follow-up, and genetic counseling to affected families. There are no recent exhaustive descriptions of the causal mutations in the literature. Here, we provide a review of COL2A1 mutations extracted from the Leiden Open Variation Database (LOVD) that we updated with data from PubMed and our own patients. Over 700 patients were recorded, harboring 415 different mutations. One-third of the mutations are dominant-negative mutations that affect the glycine residue in the G-X-Y repeats of the alpha 1 chain. These mutations disrupt the collagen triple helix and are common in achondrogenesis type II and hypochondrogenesis. The mutations resulting in a premature stop codon are found in less severe phenotypes such as Stickler syndrome. The p.(Arg275Cys) substitution is found in all patients with COL2A1-associated Czech dysplasia. LOVD-COL2A1 provides support and potential collaborative material for scientific and clinical projects aimed at elucidating phenotype-genotype correlation and differential diagnosis in patients with type II collagenopathies.
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Affiliation(s)
- Mouna Barat-Houari
- Laboratory of Rare and Autoinflammatory Diseases, CHRU, Montpellier, France.,Genetics & Immunopathology of Inflammatory Osteoarticular Diseases, INSERM UMR1183, Montpellier, France
| | - Guillaume Sarrabay
- Laboratory of Rare and Autoinflammatory Diseases, CHRU, Montpellier, France.,Genetics & Immunopathology of Inflammatory Osteoarticular Diseases, INSERM UMR1183, Montpellier, France
| | - Vincent Gatinois
- Laboratory of Rare and Autoinflammatory Diseases, CHRU, Montpellier, France.,University of Montpellier, Montpellier, France
| | - Aurélie Fabre
- Laboratory of Rare and Autoinflammatory Diseases, CHRU, Montpellier, France
| | - Bruno Dumont
- Laboratory of Rare and Autoinflammatory Diseases, CHRU, Montpellier, France
| | - David Genevieve
- Genetics & Immunopathology of Inflammatory Osteoarticular Diseases, INSERM UMR1183, Montpellier, France.,University of Montpellier, Montpellier, France.,Department of Medical Genetics, Reference Center for Developmental Abnormalities and Constitutional Bone Diseases, CHRU, Montpellier, France
| | - Isabelle Touitou
- Laboratory of Rare and Autoinflammatory Diseases, CHRU, Montpellier, France.,Genetics & Immunopathology of Inflammatory Osteoarticular Diseases, INSERM UMR1183, Montpellier, France.,University of Montpellier, Montpellier, France
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Kishiya M, Nakamura Y, Ohishi H, Furukawa KI, Ishibashi Y. Identification of a novel COL2A1 mutation (c.1744G>A) in a Japanese family: a case report. J Med Case Rep 2014; 8:276. [PMID: 25124518 PMCID: PMC4150419 DOI: 10.1186/1752-1947-8-276] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2013] [Accepted: 04/28/2014] [Indexed: 11/10/2022] Open
Abstract
Introduction Mutations in the gene encoding the type II collagen gene (COL2A1) have been found to affect the entire skeletal system. Recently, inheritable skeletal dysplasia caused by novel COL2A1 mutations has been linked to an inherited disease of the hip joint that neither involves the entire skeletal system nor is characterized by the presence of concomitant disorders, such as spinal or ocular abnormalities. Case presentation A 27-year-old Japanese woman previously diagnosed with avasucular necrosis (AVN) of the femoral head on the basis of radiological findings was referred to the study site for surgical management of a painful hip joint. She had no history of disease but suffered from bilateral hip joint lesions. Analysis of her pedigree revealed that bilateral hip joint lesions affected more than three generations of her family. Based on these findings, haplotype analysis of her and her family members was performed by examining select candidate genes from the critical interval for epiphyseal dysplasia of the femoral head on 12q13 and sequencing the promoter and exonic regions of COL2A1. Conclusion A novel COL2A1 mutation (c.1744G>A) was identified within one Japanese family.
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Affiliation(s)
- Masaki Kishiya
- Department of Orthopaedic Surgery, Hirosaki University Graduate School of Medicine, 5 Zaifu-cho, Hirosaki, Aomori 036-8562, Japan.
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Rukavina I, Mortier G, Van Laer L, Frković M, Đapić T, Jelušić M. Mutation in the type II collagen gene (COL2AI) as a cause of primary osteoarthritis associated with mild spondyloepiphyseal involvement. Semin Arthritis Rheum 2014; 44:101-4. [DOI: 10.1016/j.semarthrit.2014.03.003] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2013] [Revised: 02/17/2014] [Accepted: 03/03/2014] [Indexed: 11/16/2022]
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26
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The collagenopathies: review of clinical phenotypes and molecular correlations. Curr Rheumatol Rep 2014; 16:394. [PMID: 24338780 DOI: 10.1007/s11926-013-0394-3] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Genetic defects of collagen formation (the collagenopathies) affect almost every organ system and tissue in the body. They can be grouped by clinical phenotype, which usually correlates with the tissue distribution of the affected collagen subtype. Many of these conditions present in childhood; however, milder phenotypes presenting in adulthood are increasingly recognized. Many are difficult to differentiate clinically. Precise diagnosis by means of genetic testing assists in providing prognosis information, family counseling, and individualized treatment. This review provides an overview of the current range of clinical presentations associated with collagen defects, and the molecular mechanisms important to understanding how the results of genetic testing affect medical care.
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27
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Ramos YFM, Bos SD, van der Breggen R, Kloppenburg M, Ye K, Lameijer EWEMW, Nelissen RGHH, Slagboom PE, Meulenbelt I. A gain of function mutation inTNFRSF11Bencoding osteoprotegerin causes osteoarthritis with chondrocalcinosis. Ann Rheum Dis 2014; 74:1756-62. [DOI: 10.1136/annrheumdis-2013-205149] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2013] [Accepted: 03/23/2014] [Indexed: 01/16/2023]
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Takenouchi T, Matsuzaki Y, Yamamoto K, Kosaki K, Torii C, Takahashi T, Kosaki K. SOX9 dimerization domain mutation mimicking type 2 collagen disorder phenotype. Eur J Med Genet 2014; 57:298-301. [PMID: 24704791 DOI: 10.1016/j.ejmg.2014.03.012] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2013] [Accepted: 03/25/2014] [Indexed: 11/16/2022]
Abstract
The classification of bone dysplasia has relied on a clinical/radiographic interpretation and the identification of specific genetic alterations. The clinical presentation of the SOX9 mutation and type 2 collagen disorders overlap with the Pierre-Robin sequence and talipes equinovarus, but the former is often accompanied by the bent long bones. In its milder form, the SOX9 mutation is not necessarily associated with the bent long bones. Here, we report a patient with the Pierre-Robin sequence and talipes equinovarus who did not exhibit either bent long bones or scapular hypoplasia; thus, this patient was instead classified as having a type 2 collagen disorder. Despite this phenotypic presentation, the proposita was found to have a de novo SOX9 mutation. The peculiar location of the mutation within the dimerization domain might account for the relatively mild phenotypic effect of the SOX9 mutation to a degree that is compatible with a clinical diagnosis of type 2 collagen disorder, except for a developmental delay. We concluded that mutations in SOX9 can mimic a type 2 collagen disorder-like phenotype.
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Affiliation(s)
- Toshiki Takenouchi
- Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan
| | - Yohei Matsuzaki
- Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan
| | - Kazuka Yamamoto
- Department of Orthopedic Surgery, National Rehabilitation Center for Children with Disabilities, Japan
| | - Keisuke Kosaki
- Department of Orthopedic Surgery, Tokyo Metropolitan Kita Medical & Rehabilitation Center for the Handicapped, Japan
| | - Chiharu Torii
- Center for Medical Genetics, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, 160-8582, Tokyo, Japan
| | - Takao Takahashi
- Department of Pediatrics, Keio University School of Medicine, Tokyo, Japan
| | - Kenjiro Kosaki
- Center for Medical Genetics, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, 160-8582, Tokyo, Japan.
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29
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Chen K, Wu D, Zhu X, Ni H, Wei X, Mao N, Xie Y, Niu Y, Li M. Gene expression profile analysis of human intervertebral disc degeneration. Genet Mol Biol 2013; 36:448-54. [PMID: 24130454 PMCID: PMC3795174 DOI: 10.1590/s1415-47572013000300021] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2013] [Accepted: 06/11/2013] [Indexed: 01/19/2023] Open
Abstract
In this study, we used microarray analysis to investigate the biogenesis and progression of intervertebral disc degeneration. The gene expression profiles of 37 disc tissue samples obtained from patients with herniated discs and degenerative disc disease collected by the National Cancer Institute Cooperative Tissue Network were analyzed. Differentially expressed genes between more and less degenerated discs were identified by significant analysis of microarray. A total of 555 genes were significantly overexpressed in more degenerated discs with a false discovery rate of < 3%. Functional annotation showed that these genes were significantly associated with membrane-bound vesicles, calcium ion binding and extracellular matrix. Protein-protein interaction analysis showed that these genes, including previously reported genes such as fibronectin, COL2A1 and β-catenin, may play key roles in disc degeneration. Unsupervised clustering indicated that the widely used morphology-based Thompson grading system was only marginally associated with the molecular classification of intervertebral disc degeneration. These findings indicate that detailed, systematic gene analysis may be a useful way of studying the biology of intervertebral disc degeneration.
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Affiliation(s)
| | | | - Xiaodong Zhu
- Department of Orthopedics, Changhai Hospital affiliated to the Second Military Medical University, Shanghai,
China
| | - Haijian Ni
- Department of Orthopedics, Changhai Hospital affiliated to the Second Military Medical University, Shanghai,
China
| | - Xianzhao Wei
- Department of Orthopedics, Changhai Hospital affiliated to the Second Military Medical University, Shanghai,
China
| | - Ningfang Mao
- Department of Orthopedics, Changhai Hospital affiliated to the Second Military Medical University, Shanghai,
China
| | - Yang Xie
- Department of Orthopedics, Changhai Hospital affiliated to the Second Military Medical University, Shanghai,
China
| | - Yunfei Niu
- Department of Orthopedics, Changhai Hospital affiliated to the Second Military Medical University, Shanghai,
China
| | - Ming Li
- Department of Orthopedics, Changhai Hospital affiliated to the Second Military Medical University, Shanghai,
China
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30
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Merly L, Smith SL. Collagen type II, alpha 1 protein: A bioactive component of shark cartilage. Int Immunopharmacol 2013; 15:309-15. [DOI: 10.1016/j.intimp.2012.12.001] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2012] [Revised: 12/04/2012] [Accepted: 12/04/2012] [Indexed: 11/29/2022]
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Böhm M, Grässel S. Role of proopiomelanocortin-derived peptides and their receptors in the osteoarticular system: from basic to translational research. Endocr Rev 2012; 33:623-51. [PMID: 22736674 PMCID: PMC3410228 DOI: 10.1210/er.2011-1016] [Citation(s) in RCA: 53] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Proopiomelanocortin (POMC)-derived peptides such as melanocortins and β-endorphin (β-ED) exert their pleiotropic effects via binding to melanocortin receptors (MCR) and opioid receptors (OR). There is now compelling evidence for the existence of a functional POMC system within the osteoarticular system. Accordingly, distinct cell types of the synovial tissue and bone have been identified to generate POMC-derived peptides like β-ED, ACTH, or α-MSH. MCR subtypes, especially MC1R, MC2R (the ACTH receptor), MC3R, and MC4R, but also the μ-OR and δ-OR, have been detected in various cells of the synovium, cartilage, and bone. The respective ligands of these POMC-derived peptide receptors mediate an increasing number of newly recognized biological effects in the osteoarticular system. These include bone mineralization and longitudinal growth, cell proliferation and differentiation, extracellular matrix synthesis, osteoprotection, and immunomodulation. Importantly, bone formation is also regulated by the central melanocortin system via a complex hormonal interplay with other organs and tissues involved in energy metabolism. Among the POMC-derived peptides examined in cell culture systems from osteoarticular tissue and in animal models of experimentally induced arthritis, α-MSH, ACTH, and MC3R-specific agonists appear to have the most promising antiinflammatory actions. The effects of these melanocortin peptides may be exploited in future for the treatment of patients with inflammatory and degenerative joint diseases.
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Affiliation(s)
- Markus Böhm
- Laboratory for Neuroendocrinology of the Skin and Interdisciplinary Endocrinology, Department of Dermatology, University of Münster, Von Esmarch-Strasse 58, D-48149 Münster, Germany.
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32
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Husar-Memmer E, Ekici A, Al Kaissi A, Sticht H, Manger B, Schett G, Zwerina J. Premature osteoarthritis as presenting sign of type II collagenopathy: a case report and literature review. Semin Arthritis Rheum 2012; 42:355-60. [PMID: 22717203 DOI: 10.1016/j.semarthrit.2012.05.002] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2012] [Revised: 05/08/2012] [Accepted: 05/10/2012] [Indexed: 10/28/2022]
Abstract
OBJECTIVES Osteoarthritis (OA) is a frequent, chronic, and often disabling disease. Early-onset OA should prompt rheumatologists to search for underlying causes. We describe the clinical presentation and diagnosis of a patient with severe premature OA. METHODS We report a patient with severe polyarticular OA starting in young adulthood due to a heterozygous mutation in the COL2A1 gene. We discuss the clinical features, diagnosis, and known mutations of previously reported cases identified through a PubMed literature review. RESULTS A 43-year-old Caucasian woman of normal stature presented with a 24-year history of symmetrical polyarticular OA involving both large and small joints. At the time of presentation, the patient already underwent 6 joint replacement surgeries. Family history was unremarkable. Clinical, serologic, radiographic, and histologic studies did not reveal any specific cause for this unusual clinical presentation. Genetic analysis revealed a heterozygous COL2A1 mutation (R519C) consistent with the clinical phenotype. Reviewing the literature, we discuss the clinical spectrum of type II collagenopathies emphasizing premature OA as the sole clinical manifestation. CONCLUSIONS Unusual clinical presentations of OA should prompt investigations to search for an underlying cause. Type II collagenopathy should be considered in young adults with severe symmetrical OA even in the absence of other clinical features. A correct diagnosis allows classification and genetic counseling of the patient.
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Affiliation(s)
- Emma Husar-Memmer
- Ludwig Boltzmann Institute of Osteology, 1st Medical Department and AUVA Trauma Center Meidling, Hanusch Hospital, Vienna, Austria
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Holt DW, Henderson ML, Stockdale CE, Farrell JT, Kooyman DL, Bridgewater LC, Seegmiller RE. Osteoarthritis-like changes in the heterozygous sedc mouse associated with the HtrA1-Ddr2-Mmp-13 degradative pathway: a new model of osteoarthritis. Osteoarthritis Cartilage 2012; 20:430-439. [PMID: 22155431 DOI: 10.1016/j.joca.2011.11.008] [Citation(s) in RCA: 41] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2011] [Revised: 11/16/2011] [Accepted: 11/21/2011] [Indexed: 02/02/2023]
Abstract
OBJECTIVE To test the hypothesis that the spondyloepiphyseal dysplasia congenita (sedc) heterozygous (sedc/+) mouse, a COL2A1 mutant, is a model for the study of osteoarthritis (OA) in the absence of dwarfism and to investigate the presence of HtrA1, Ddr2, and Mmp-13 and their possible involvement in a universal mechanism leading to OA. DESIGN Whole mount skeletons of adult animals were analyzed to determine whether sedc/+ mice exhibit dwarfism. To characterize progression of osteoarthritic degeneration over time, knee and temporomandibular joints from sedc/+ and wild-type mice were analyzed histologically, and severity of articular cartilage degradation was graded using the Osteoarthritis Research Society International (OARSI) scoring system. Immunohistochemistry was used to detect changes in expression of HtrA1, Ddr2, and Mmp-13 in articular cartilage of knees. RESULTS As previously reported, the sedc/+ skeleton morphology was indistinguishable from wild type, and skeletal measurements revealed no significant differences. The sedc/+ mouse did, however, show significantly higher OARSI scores in knee (9, 12 and 18 months) and temporomandibular joints at all ages examined. Histological staining showed regions of proteoglycan degradation as early as 2 months in both temporomandibular and knee joints of the mutant. Cartilage fissuring and erosion were observed to begin between 2 and 6 months in temporomandibular joints and 9 months in knee joints from sedc/+ mice. Immunohistochemistry of mutant knee articular cartilage showed increased expression of HtrA1, Ddr2, and Mmp-13 compared to wild type, which upregulation preceded fibrillation and fissuring of the articular surfaces. CONCLUSIONS With regard to skeletal morphology, the sedc/+ mouse appears phenotypically normal but develops premature OA as hypothesized. We conclude that the sedc/+ mouse is a useful model for the study of OA in individuals with overtly normal skeletal structure and a predisposition for articular cartilage degeneration.
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Affiliation(s)
- D W Holt
- Department of Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA
| | - M L Henderson
- Department of Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA
| | - C E Stockdale
- Department of Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA
| | - J T Farrell
- Department of Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA
| | - D L Kooyman
- Department of Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA
| | - L C Bridgewater
- Department of Microbiology and Molecular Biology, Brigham Young University, Provo, UT 84602, USA
| | - R E Seegmiller
- Department of Physiology and Developmental Biology, Brigham Young University, Provo, UT 84602, USA; College of Dental Medicine, Roseman University of Health Sciences, South Jordan, UT 84095, USA.
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Abstract
COL2A1 mutations give rise to a spectrum of phenotypes predominantly affecting cartilage and bone from the severe disorders that are perinatally lethal to the milder conditions that are recognised in the post-natal period and childhood. The milder chondrodysplasias are characterised by disproportionate short stature, eye abnormalities, cleft palate and hearing loss. It remains poorly recognised that there is significant variability in the disease presentation, with early onset short stature conditions and later onset milder phenotypes. Similarly, it is under-acknowledged that COL2A1 mutations may solely cause joint disease in the absence of the other mentioned phenotypic clues. The underlying hypothesis is that there are novel phenotypes caused by mutations in type II collagen that extend from premature arthritis through to more severe bone dysplasias. The importance of finding a COL2A1 mutation lies in the subsequent ability to accurately assess recurrence risks and offer information regarding disease natural history. Most importantly, it enables at-risk individuals to be identified for implementation of preventative strategies and early ameliorative management of their condition. Such interventions potentially translate into a reduction in health costs associated with musculoskeletal disease.
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Affiliation(s)
- Peter Kannu
- Division of Clinical and Metabolic Genetics, The Hospital for Sick Children, Toronto, Ontario, Canada.
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Pitsillides AA, Beier F. Cartilage biology in osteoarthritis--lessons from developmental biology. Nat Rev Rheumatol 2011; 7:654-63. [PMID: 21947178 DOI: 10.1038/nrrheum.2011.129] [Citation(s) in RCA: 172] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The cellular and molecular mechanisms responsible for the initiation and progression of osteoarthritis (OA), and in particular cartilage degeneration in OA, are not completely understood. Increasing evidence implicates developmental processes in OA etiology and pathogenesis. Herein, we review this evidence. We first examine subtle changes in cartilage development and the specification and formation of joints, which predispose to OA development, and second, we review the switch from an articular to a hypertrophic chondrocyte phenotype that is thought to be part of the OA pathological process ultimately resulting in cartilage degeneration. The latest studies are summarized and we discuss the concepts emerging from these findings in cartilage biology, in the light of our understanding of the developmental processes involved.
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Affiliation(s)
- Andrew A Pitsillides
- Department of Veterinary Basic Sciences, Royal Veterinary College, University of London, Royal College Street, London NW1 0TU, UK.
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36
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Kannu P, O'Rielly DD, Hyland JC, Kokko LA. Avascular necrosis of the femoral head due to a novel C propeptide mutation in COL2A1. Am J Med Genet A 2011; 155A:1759-62. [PMID: 21671384 DOI: 10.1002/ajmg.a.34056] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2011] [Accepted: 03/25/2011] [Indexed: 12/20/2022]
Affiliation(s)
- Peter Kannu
- Medical Genetics, Department of Paediatrics, Queen's University, Kingston, Canada.
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Kannu P, Irving M, Aftimos S, Savarirayan R. Two novel COL2A1 mutations associated with a Legg-Calvé-Perthes disease-like presentation. Clin Orthop Relat Res 2011; 469:1785-90. [PMID: 21442341 PMCID: PMC3094608 DOI: 10.1007/s11999-011-1850-x] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/04/2010] [Accepted: 02/23/2011] [Indexed: 01/31/2023]
Abstract
BACKGROUND Abnormal development and growth of the capital femoral epiphysis and acetabulum are associated with a wide variety of underlying etiologies, one of which is Legg-Calvé-Perthes disease. CASE DESCRIPTION We report the cases of two children who presented with abnormal development of both hips and in whom novel mutations in the COL2A1 gene were found. These cases illustrate the importance of identifying individuals with a type II collagen abnormality, as it informs management, allows investigation for other complications, and provides the opportunity for accurate genetic counseling and consideration of other family members who might be at risk. LITERATURE REVIEW The literature documents numerous private mutations in COL2A1 associated with diverse clinical phenotypes including bilateral hip dysplasia and premature osteoarthritis. Some of these mutations are associated with a joint-specific phenotype but few other skeletal or extraskeletal manifestations. Only careful clinical examination of children presenting with hip anomalies therefore will reveal additional findings that warrant an evaluation by a clinical geneticist. DNA mutation analysis may be useful for making a specific diagnosis and identifying other at-risk family members. PURPOSES AND CLINICAL RELEVANCE The purpose of our report is to alert clinicians to the possibility that children who present with bilateral Perthes-like disease of the hip might have an underlying mutation in the gene encoding type II collagen. It is important to consider this in the differential diagnosis and workup of such children as it has specific prognostic, clinical, genetic counseling, and reproductive sequelae.
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Affiliation(s)
- Peter Kannu
- Division of Clinical and Metabolic Genetics, Hospital for Sick Children, Toronto, Canada ,Department of Paediatrics, University of Melbourne, Parkville, Melbourne, Australia ,Genetics and Metabolic Medicine, Hospital for Sick Children, 525 University Avenue, Toronto, Canada
| | - Melita Irving
- Musculoskeletal Theme, Murdoch Childrens’ Research Institute, Royal Children’s Hospital, Parkville, Melbourne, Australia
| | - Salim Aftimos
- Northern Regional Genetics Service, Auckland, New Zealand
| | - Ravi Savarirayan
- Department of Paediatrics, University of Melbourne, Parkville, Melbourne, Australia
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Shi W, Gerster K, Alajez NM, Tsang J, Waldron L, Pintilie M, Hui AB, Sykes J, P'ng C, Miller N, McCready D, Fyles A, Liu FF. MicroRNA-301 mediates proliferation and invasion in human breast cancer. Cancer Res 2011; 71:2926-37. [PMID: 21393507 DOI: 10.1158/0008-5472.can-10-3369] [Citation(s) in RCA: 197] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
Several microRNAs have been implicated in human breast cancer but none to date have been validated or utilized consistently in clinical management. MicroRNA-301 (miR-301) overexpression has been implicated as a negative prognostic indicator in lymph node negative (LNN) invasive ductal breast cancer, but its potential functional impact has not been determined. Here we report that in breast cancer cells, miR-301 attenuation decreased cell proliferation, clonogenicity, migration, invasion, tamoxifen resistance, tumor growth, and microvessel density, establishing an important oncogenic role for this gene. Algorithm-based and experimental strategies identified FOXF2, BBC3, PTEN, and COL2A1 as candidate miR-301 targets, all of which were verified as direct targets through luciferase reporter assays. We noted that miR-301 is located in an intron of the SKA2 gene which is responsible for kinetochore assembly, and both genes were found to be coexpressed in primary breast cancer samples. In summary, our findings define miR-301 as a crucial oncogene in human breast cancer that acts through multiple pathways and mechanisms to promote nodal or distant relapses.
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Affiliation(s)
- Wei Shi
- Department of Medical Biophysics, Ontario Cancer Institute, University Health Network, University of Toronto, Toronto, Canada
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