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Chae I, Chung WJ, Jin HE, Yang RJ, Kim H, Lim B, Lee HJ, Kim SY, Lee SW. Evolutionary Design of Self-Templated Supramolecular Fibrils Using M13 Bacteriophage for Tissue Engineering. NANO LETTERS 2024; 24:10388-10395. [PMID: 39116280 DOI: 10.1021/acs.nanolett.4c03231] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/10/2024]
Abstract
Biomaterials in nature form hierarchical structures and functions across various length scales through binding and assembly processes. Inspired by nature, we developed hierarchically organized tissue engineering materials through evolutionary screening and self-templating assembly. Leveraging the M13 bacteriophage (phage), we employed an evolutionary selection process against hydroxyapatite (HA) to isolate HA-binding phage (HAPh). The newly discovered phage exhibits a bimodal length, comprising 950 nm and 240 nm, where the synergistic effect of these dual lengths promotes the formation of supramolecular fibrils with periodic banded structures. The assembled HAPh fibrils show the capability of HA mineralization and the directional growth of osteoblast cells. When applied to a dentin surface, it induces the regeneration of dentin-like tissue structures, showcasing its potential applications as a scaffold in tissue engineering. The integration of evolutionary screening and self-templating assembly holds promise for the future development of hierarchically organized tissue engineering materials.
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Affiliation(s)
- Inseok Chae
- Department of Bioengineering, University of California, Berkeley, California 94720, United States
- Biological Systems and Engineering, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Woo-Jae Chung
- Department of Bioengineering, University of California, Berkeley, California 94720, United States
- Biological Systems and Engineering, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Hyo-Eon Jin
- Department of Bioengineering, University of California, Berkeley, California 94720, United States
- Biological Systems and Engineering, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Robert J Yang
- Department of Bioengineering, University of California, Berkeley, California 94720, United States
| | - Han Kim
- Biological Systems and Engineering, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Department of Applied Science and Technology, University of California, Berkeley, California 94720, United States
| | - Butaek Lim
- Department of Bioengineering, University of California, Berkeley, California 94720, United States
- Biological Systems and Engineering, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
| | - Hee Jung Lee
- Department of Bioengineering, University of California, Berkeley, California 94720, United States
| | - Sun-Young Kim
- Department of Conservative Dentistry and Dental Research Institute, School of Dentistry, Seoul National University, Seoul 03080, Republic of Korea
| | - Seung-Wuk Lee
- Department of Bioengineering, University of California, Berkeley, California 94720, United States
- Biological Systems and Engineering, Lawrence Berkeley National Laboratory, Berkeley, California 94720, United States
- Department of Applied Science and Technology, University of California, Berkeley, California 94720, United States
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2
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Yang J, Kinyamu HK, Ward JM, Scappini E, Muse G, Archer TK. Unlocking cellular plasticity: enhancing human iPSC reprogramming through bromodomain inhibition and extracellular matrix gene expression regulation. Stem Cells 2024; 42:706-719. [PMID: 38825983 PMCID: PMC11291304 DOI: 10.1093/stmcls/sxae039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2023] [Accepted: 05/15/2024] [Indexed: 06/04/2024]
Abstract
The transformation from a fibroblast mesenchymal cell state to an epithelial-like state is critical for induced pluripotent stem cell (iPSC) reprogramming. In this report, we describe studies with PFI-3, a small-molecule inhibitor that specifically targets the bromodomains of SMARCA2/4 and PBRM1 subunits of SWI/SNF complex, as an enhancer of iPSC reprogramming efficiency. Our findings reveal that PFI-3 induces cellular plasticity in multiple human dermal fibroblasts, leading to a mesenchymal-epithelial transition during iPSC formation. This transition is characterized by the upregulation of E-cadherin expression, a key protein involved in epithelial cell adhesion. Additionally, we identified COL11A1 as a reprogramming barrier and demonstrated COL11A1 knockdown increased reprogramming efficiency. Notably, we found that PFI-3 significantly reduced the expression of numerous extracellular matrix (ECM) genes, particularly those involved in collagen assembly. Our research provides key insights into the early stages of iPSC reprogramming, highlighting the crucial role of ECM changes and cellular plasticity in this process.
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Affiliation(s)
- Jun Yang
- Chromatin and Gene Expression Section, Epigenetics and Stem Cell Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States
| | - H Karimi Kinyamu
- Chromatin and Gene Expression Section, Epigenetics and Stem Cell Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States
| | - James M Ward
- Integrative Bioinformatics, Biostatistics, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States
| | - Erica Scappini
- The Fluorescence Microscopy and Imaging Center, Signal Transduction Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States
| | - Ginger Muse
- Chromatin and Gene Expression Section, Epigenetics and Stem Cell Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States
| | - Trevor K Archer
- Chromatin and Gene Expression Section, Epigenetics and Stem Cell Biology Laboratory, National Institute of Environmental Health Sciences, Research Triangle Park, NC, United States
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3
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Zhang G, Qin J, Xu W, Liu M, Wu R, Qin Y. Gene expression and immune infiltration analysis comparing lesioned and preserved subchondral bone in osteoarthritis. PeerJ 2024; 12:e17417. [PMID: 38827307 PMCID: PMC11141552 DOI: 10.7717/peerj.17417] [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: 11/21/2023] [Accepted: 04/28/2024] [Indexed: 06/04/2024] Open
Abstract
Background Osteoarthritis (OA) is a degenerative disease requiring additional research. This study compared gene expression and immune infiltration between lesioned and preserved subchondral bone. The results were validated using multiple tissue datasets and experiments. Methods Differentially expressed genes (DEGs) between the lesioned and preserved tibial plateaus of OA patients were identified in the GSE51588 dataset. Moreover, functional annotation and protein-protein interaction (PPI) network analyses were performed on the lesioned and preserved sides to explore potential therapeutic targets in OA subchondral bones. In addition, multiple tissues were used to screen coexpressed genes, and the expression levels of identified candidate DEGs in OA were measured by quantitative real-time polymerase chain reaction. Finally, an immune infiltration analysis was conducted. Results A total of 1,010 DEGs were identified, 423 upregulated and 587 downregulated. The biological process (BP) terms enriched in the upregulated genes included "skeletal system development", "sister chromatid cohesion", and "ossification". Pathways were enriched in "Wnt signaling pathway" and "proteoglycans in cancer". The BP terms enriched in the downregulated genes included "inflammatory response", "xenobiotic metabolic process", and "positive regulation of inflammatory response". The enriched pathways included "neuroactive ligand-receptor interaction" and "AMP-activated protein kinase signaling". JUN, tumor necrosis factor α, and interleukin-1β were the hub genes in the PPI network. Collagen XI A1 and leucine-rich repeat-containing 15 were screened from multiple datasets and experimentally validated. Immune infiltration analyses showed fewer infiltrating adipocytes and endothelial cells in the lesioned versus preserved samples. Conclusion Our findings provide valuable information for future studies on the pathogenic mechanism of OA and potential therapeutic and diagnostic targets.
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Affiliation(s)
- Gang Zhang
- The Second Affiliated Hospital of Harbin Medical University, Department of Orthopedics Surgery, Harbin Medical University, Harbin, China
- Department of Orthopedics, Harbin First Hospital, Harbin, China
- Future Medicine Laboratory, The Second Affiliated Hospital of Harbin Medical University, Harbin, China
| | - Jinwei Qin
- Department of Emergency, Harbin First Hospital, Harbin, China
| | - Wenbo Xu
- The Second Affiliated Hospital of Harbin Medical University, Department of Orthopedics Surgery, Harbin Medical University, Harbin, China
| | - Meina Liu
- Department of Biostatistics, School of Public Health, Harbin Medical University, Harbin, China
| | - Rilige Wu
- Medical Big Data Research Center, Medical Innovation Research Division of PLA General Hospital, Beijing, China
| | - Yong Qin
- The Second Affiliated Hospital of Harbin Medical University, Department of Orthopedics Surgery, Harbin Medical University, Harbin, China
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4
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Govers BM, van Huet RAC, Roosing S, Keijser S, Los LI, den Hollander AI, Klevering BJ. The genetics and disease mechanisms of rhegmatogenous retinal detachment. Prog Retin Eye Res 2023; 97:101158. [PMID: 36621380 DOI: 10.1016/j.preteyeres.2022.101158] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2022] [Revised: 12/20/2022] [Accepted: 12/23/2022] [Indexed: 01/07/2023]
Abstract
Rhegmatogenous retinal detachment (RRD) is a sight threatening condition that warrants immediate surgical intervention. To date, 29 genes have been associated with monogenic disorders involving RRD. In addition, RRD can occur as a multifactorial disease through a combined effect of multiple genetic variants and non-genetic risk factors. In this review, we provide a comprehensive overview of the spectrum of hereditary disorders involving RRD. We discuss genotype-phenotype correlations of these monogenic disorders, and describe genetic variants associated with RRD through multifactorial inheritance. Furthermore, we evaluate our current understanding of the molecular disease mechanisms of RRD-associated genetic variants on collagen proteins, proteoglycan versican, and the TGF-β pathway. Finally, we review the role of genetics in patient management and prevention of RRD. We provide recommendations for genetic testing and prophylaxis of at-risk patients, and hypothesize on novel therapeutic approaches beyond surgical intervention.
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Affiliation(s)
- Birgit M Govers
- Department of Ophthalmology, Radboud University Medical Center, Nijmegen, the Netherlands; Donders Institute for Brain Cognition and Behaviour, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Ramon A C van Huet
- Department of Ophthalmology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Susanne Roosing
- Department of Human Genetics, Radboud University Medical Center, Nijmegen, the Netherlands; Donders Institute for Brain Cognition and Behaviour, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Sander Keijser
- Department of Ophthalmology, Radboud University Medical Center, Nijmegen, the Netherlands
| | - Leonoor I Los
- Department of Ophthalmology, University Medical Center Groningen, Groningen, the Netherlands
| | - Anneke I den Hollander
- Department of Ophthalmology, Radboud University Medical Center, Nijmegen, the Netherlands; AbbVie, Genomics Research Center, Cambridge, MA, USA
| | - B Jeroen Klevering
- Department of Ophthalmology, Radboud University Medical Center, Nijmegen, the Netherlands.
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Rebello D, Wohler E, Erfani V, Li G, Aguilera AN, Santiago-Cornier A, Zhao S, Hwang SW, Steiner RD, Zhang TJ, Gurnett CA, Raggio C, Wu N, Sobreira N, Giampietro PF, Ciruna B. COL11A2 as a candidate gene for vertebral malformations and congenital scoliosis. Hum Mol Genet 2023; 32:2913-2928. [PMID: 37462524 PMCID: PMC10508038 DOI: 10.1093/hmg/ddad117] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 05/08/2023] [Accepted: 07/13/2023] [Indexed: 07/23/2023] Open
Abstract
Human vertebral malformations (VMs) have an estimated incidence of 1/2000 and are associated with significant health problems including congenital scoliosis (CS) and recurrent organ system malformation syndromes such as VACTERL (vertebral anomalies; anal abnormalities; cardiac abnormalities; tracheo-esophageal fistula; renal anomalies; limb anomalies). The genetic cause for the vast majority of VMs are unknown. In a CS/VM patient cohort, three COL11A2 variants (R130W, R1407L and R1413H) were identified in two patients with cervical VM. A third patient with a T9 hemivertebra and the R130W variant was identified from a separate study. These substitutions are predicted to be damaging to protein function, and R130 and R1407 residues are conserved in zebrafish Col11a2. To determine the role for COL11A2 in vertebral development, CRISPR/Cas9 was used to create a nonsense mutation (col11a2L642*) as well as a full gene locus deletion (col11a2del) in zebrafish. Both col11a2L642*/L642* and col11a2del/del mutant zebrafish exhibit vertebral fusions in the caudal spine, which form due to mineralization across intervertebral segments. To determine the functional consequence of VM-associated variants, we assayed their ability to suppress col11a2del VM phenotypes following transgenic expression within the developing spine. While wildtype col11a2 expression suppresses fusions in col11a2del/+ and col11a2del/del backgrounds, patient missense variant-bearing col11a2 failed to rescue the loss-of-function phenotype in these animals. These results highlight an essential role for COL11A2 in vertebral development and support a pathogenic role for two missense variants in CS.
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Affiliation(s)
- Denise Rebello
- Program in Developmental & Stem Cell Biology, The Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
- Department of Molecular Genetics, The University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - Elizabeth Wohler
- McKusick-Nathans Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Vida Erfani
- Program in Developmental & Stem Cell Biology, The Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
- Department of Molecular Genetics, The University of Toronto, Toronto, Ontario M5S 1A8, Canada
| | - Guozhuang Li
- Department of Orthopedic Surgery, Key Laboratory of Big Data for Spinal Deformities, Beijing Key Laboratory for Genetic Research of Skeletal Deformity, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Alexya N Aguilera
- Department of Pediatrics, University of Illinois-Chicago, Chicago, IL 60612, USA
| | - Alberto Santiago-Cornier
- Genetic Section, San Jorge Children’s and Women’s Hospital, San Juan, Puerto Rico 00912, USA
- Department of Public Health, Ponce Health Sciences University, Ponce, Puerto Rico 00912, USA
| | - Sen Zhao
- Department of Orthopedic Surgery, Key Laboratory of Big Data for Spinal Deformities, Beijing Key Laboratory for Genetic Research of Skeletal Deformity, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
- Department of Molecular and Human Genetics, Baylor College of Medicine, Houston, TX 77030, USA
| | - Steven W Hwang
- Shriners Children’s-Philadelphia, Philadelphia, PA 19140, USA
| | - Robert D Steiner
- Department of Pediatrics, University of Wisconsin, Madison, WI 54449, USA
- Marshfield Clinic Health System, Marshfield, WI 54449, USA
| | - Terry Jianguo Zhang
- Department of Orthopedic Surgery, Key Laboratory of Big Data for Spinal Deformities, Beijing Key Laboratory for Genetic Research of Skeletal Deformity, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Christina A Gurnett
- Department of Neurology, Washington University in St. Louis, St. Louis, MO 63110, USA
| | | | - Nan Wu
- Department of Orthopedic Surgery, Key Laboratory of Big Data for Spinal Deformities, Beijing Key Laboratory for Genetic Research of Skeletal Deformity, State Key Laboratory of Complex Severe and Rare Diseases, Peking Union Medical College Hospital, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100730, China
| | - Nara Sobreira
- McKusick-Nathans Department of Genetic Medicine, Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA
| | - Philip F Giampietro
- Department of Pediatrics, University of Illinois-Chicago, Chicago, IL 60612, USA
| | - Brian Ciruna
- Program in Developmental & Stem Cell Biology, The Hospital for Sick Children, Toronto, Ontario M5G 0A4, Canada
- Department of Molecular Genetics, The University of Toronto, Toronto, Ontario M5S 1A8, Canada
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6
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Zou Q, Yuan R, Zhang Y, Wang Y, Zheng T, Shi R, Zhang M, Li Y, Fei K, Feng R, Pan B, Zhang X, Gong Z, Zhu L, Tang G, Li M, Li X, Jiang Y. A single-cell transcriptome atlas of pig skin characterizes anatomical positional heterogeneity. eLife 2023; 12:86504. [PMID: 37276016 DOI: 10.7554/elife.86504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2023] [Accepted: 05/22/2023] [Indexed: 06/07/2023] Open
Abstract
Different anatomical locations of the body skin show differences in their gene expression patterns depending on different origins, and the inherent heterogeneous information can be maintained in adults. However, highly resolvable cellular specialization is less well characterized in different anatomical regions of the skin. Pig is regarded as an excellent model animal for human skin research in view of its similar physiology to human. In this study, single-cell RNA sequencing was performed on pig skin tissues from six different anatomical regions of Chenghua (CH) pigs, with a superior skin thickness trait, and the back site of large white (LW) pigs. We obtained 233,715 cells, representing seven cell types, among which we primarily characterized the heterogeneity of the top three cell types, including smooth muscle cells (SMCs), endothelial cells (ECs), and fibroblasts (FBs). Then, we further identified several subtypes of SMCs, ECs, and FBs, and discovered the expression patterns of site-specific genes involved in some important pathways such as the immune response and extracellular matrix (ECM) synthesis in different anatomical regions. By comparing differentially expressed genes of skin FBs among different anatomical regions, we considered TNN, COL11A1, and INHBA as candidate genes for facilitating ECM accumulation. These findings of heterogeneity in the main skin cell types from different anatomical sites will contribute to a better understanding of inherent skin information and place the potential focus on skin generation, transmission, and transplantation, paving the foundation for human skin priming.
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Affiliation(s)
- Qin Zou
- Department of Zoology, College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Rong Yuan
- Chengdu Livestock and Poultry Genetic Resources Protection Center, Chengdu, China
| | - Yu Zhang
- BGI Beijing Genome Institute, Beijing, China
| | - Yifei Wang
- Department of Zoology, College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Ting Zheng
- Department of Zoology, College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Rui Shi
- Department of Zoology, College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Mei Zhang
- Department of Zoology, College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Yujing Li
- Department of Zoology, College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Kaixin Fei
- Department of Zoology, College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Ran Feng
- Department of Zoology, College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Binyun Pan
- Department of Zoology, College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Xinyue Zhang
- Department of Zoology, College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Zhengyin Gong
- Department of Zoology, College of Life Science, Sichuan Agricultural University, Ya'an, China
| | - Li Zhu
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Guoqing Tang
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Mingzhou Li
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Xuewei Li
- College of Animal Science and Technology, Sichuan Agricultural University, Chengdu, China
| | - Yanzhi Jiang
- Department of Zoology, College of Life Science, Sichuan Agricultural University, Ya'an, China
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7
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Fernández-Pérez JJ, Mascaraque-Ruiz P, Martín-Gómez C, Martínez-Caballero I, Otón T, Carmona L, Lerma-Lara S. Musculoskeletal and Gait Characteristics in Patients with Stickler Syndrome: A Cross-Sectional Study. CHILDREN (BASEL, SWITZERLAND) 2022; 9:children9121895. [PMID: 36553338 PMCID: PMC9777477 DOI: 10.3390/children9121895] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/13/2022] [Revised: 11/24/2022] [Accepted: 11/28/2022] [Indexed: 12/12/2022]
Abstract
BACKGROUND Stickler syndrome (SS) is a connective tissue disorder of fibrillary collagen with very variable clinical manifestations, including premature osteoarthritis and osteopenia. This musculoskeletal alteration may affect gait maturity or produce strength difficulties. OBJECTIVE Our aim was to describe the musculoskeletal characteristics, bone stiffness, gait kinematics, and kinetics of SS patients. METHODS This is a cross-sectional study of children and youngsters with SS recruited by telephone calls through the Spanish SS Association. All participants underwent an analysis of musculoskeletal characteristics, including a 3D gait analysis. RESULTS The sample included 26 SS patients, mainly boys (65.4%) with a median age of 11 (IQR 5-14). The manual muscle testing was normal in 88.5% of patients. The median distance covered in the 6-min walking test was 560.1 ± 113.4 m. Bone stiffness index scores were 70.9 ± 19.7 for children under 10 years and 88.3 ± 17.5 for children older than 10 years. The gait indicators GPS and GDI were: 7.4 ± 1.9 and 95.3 ± 9.7, respectively, for the left side and 6.8 ± 2.0 and 97.7 ± 9.5 for the right side, respectively. CONCLUSIONS In our series of patients with SS, we found muscle-articular involvement does not have a high impact on strength or gait problems. More work is needed to understand the effect of SS on the musculoskeletal system.
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Affiliation(s)
- Juan José Fernández-Pérez
- Toledo Physiotherapy Research Group (GIFTO), Faculty of Physiotherapy and Nursing, Castilla la Mancha University, 45004 Toledo, Spain
| | | | - Carlos Martín-Gómez
- Facultad de Ciencias de la Salud, CSEU La Salle, UAM, 28023 Madrid, Spain
- Fundación Hospital Universitario Niño Jesús, 28009 Madrid, Spain
| | | | - Teresa Otón
- Instituto de Salud Musculoesquelética, 28045 Madrid, Spain
| | - Loreto Carmona
- Instituto de Salud Musculoesquelética, 28045 Madrid, Spain
| | - Sergio Lerma-Lara
- Facultad de Ciencias de la Salud, CSEU La Salle, UAM, 28023 Madrid, Spain
- Correspondence:
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8
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Chowdhury AS, Oxford JT. Collagen a1(XI) structure prediction by Alphafold 2. PROCEEDINGS. INTERNATIONAL CONFERENCE ON COMPUTATIONAL SCIENCE AND COMPUTATIONAL INTELLIGENCE 2022; 2022:572-577. [PMID: 37860747 PMCID: PMC10586751 DOI: 10.1109/csci58124.2022.00108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/21/2023]
Abstract
Collagen α1(XI) is a minor fibrillar collagen involved in the critical regulation of collagen fibrils such as nucleation, assembly, and regulation of fibril diameter. The amino propeptide domain of the collagen α1(XI) is retained on the surface of the collagen fibril for an extended period of time and may play a crucial role in the interaction with extracellular matrix glycosaminoglycans and other proteins during the process of fibrillogenesis. Understanding the mechanism of action of this protein will ultimately help us understand the organization and assembly of the extracellular matrix that underlies the structural integrity of connective tissues.
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Affiliation(s)
- Abu Sayeed Chowdhury
- Biomolecular Sciences Graduate Program, Center of Biomedical Research Excellence, Boise State University, Boise, Idaho USA
| | - Julia Thom Oxford
- Department of Biological Sciences, Center of Biomedical Research Excellence, Boise State University, Boise, Idaho, USA
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9
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Zeltz C, Khalil M, Navab R, Tsao MS. Collagen Type XI Inhibits Lung Cancer-Associated Fibroblast Functions and Restrains the Integrin Binding Site Availability on Collagen Type I Matrix. Int J Mol Sci 2022; 23:ijms231911722. [PMID: 36233024 PMCID: PMC9569509 DOI: 10.3390/ijms231911722] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Revised: 09/20/2022] [Accepted: 09/26/2022] [Indexed: 12/02/2022] Open
Abstract
The tumor microenvironment, including cancer-associated fibroblast (CAF), plays an active role in non-small cell lung cancer (NSCLC) development and progression. We previously reported that collagen type XI and integrin α11, a collagen receptor, were upregulated in NSCLC; the latter promotes tumor growth and metastasis. We here explored the role of collagen type XI in NSCLC stroma. We showed that the presence of collagen type XI in collagen type I matrices inhibits CAF-mediated collagen remodeling and cell migration. This resulted in the inhibition of CAF-dependent lung-tumor cell invasion. Among the collagen receptors expressed on CAF, we determined that DDR2 and integrin α2β1, but not integrin α11β1, mediated the high-affinity binding to collagen type XI. We further demonstrated that collagen type XI restrained the integrin binding site availability on collagen type I matrices, thus limiting cell interaction with collagen type I. As a consequence, CAFs failed to activate FAK, p38 and Akt one hour after they interacted with collagen type I/XI. We concluded that collagen type XI may have a competitive negative feedback role on the binding of collagen type I to its receptors.
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Affiliation(s)
- Cédric Zeltz
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Maryam Khalil
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 1L7, Canada
- Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
| | - Roya Navab
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 1L7, Canada
| | - Ming-Sound Tsao
- Princess Margaret Cancer Center, University Health Network, Toronto, ON M5G 1L7, Canada
- Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON M5S 1A8, Canada
- Departments of Medical Biophysics, University of Toronto, Toronto, ON M5G 1L7, Canada
- Correspondence:
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10
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Cederlund AA, Aspden RM. Walking on water: revisiting the role of water in articular cartilage biomechanics in relation to tissue engineering and regenerative medicine. JOURNAL OF THE ROYAL SOCIETY, INTERFACE 2022; 19:20220364. [PMID: 35919975 PMCID: PMC9346369 DOI: 10.1098/rsif.2022.0364] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Abstract
The importance, and the difficulty, of generating biosynthetic articular cartilage is widely recognized. Problems arise from obtaining sufficient stiffness, toughness and longevity in the material and integration of new material into existing cartilage and bone. Much work has been done on chondrocytes and tissue macromolecular components while water, which comprises the bulk of the tissue, is largely seen as a passive component; the ‘solid matrix’ is believed to be the main load-bearing element most of the time. Water is commonly seen as an inert filler whose restricted flow through the tissue is believed to be sufficient to generate the properties measured. We propose that this model should be turned on its head. Water comprises 70–80% of the matrix and has a bulk modulus considerably greater than that of cartilage. We suggest that the macromolecular components structure the water to support the loads applied. Here, we shall examine the structure and organization of the main macromolecules, collagen, aggrecan and hyaluronan, and explore how water interacts with their polyelectrolyte nature. This may inform the biosynthetic process by identifying starting points to enable developing tissue properties to guide the cells into producing the appropriate macromolecular composition and structure.
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Affiliation(s)
- Anna A Cederlund
- Aberdeen Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Institute of Medical Sciences, Foresterhill, Aberdeen AB25 2ZD, UK
| | - Richard M Aspden
- Aberdeen Centre for Arthritis and Musculoskeletal Health, University of Aberdeen, Institute of Medical Sciences, Foresterhill, Aberdeen AB25 2ZD, UK
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11
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Wu YH, Chou CY. Collagen XI Alpha 1 Chain, a Novel Therapeutic Target for Cancer Treatment. Front Oncol 2022; 12:925165. [PMID: 35847935 PMCID: PMC9277861 DOI: 10.3389/fonc.2022.925165] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 05/31/2022] [Indexed: 01/13/2023] Open
Abstract
The extracellular matrix (ECM) plays an important role in the progression of cancer. Collagen is the most abundant component in ECM, and is involved in the biological formation of cancer. Although type XI collagen is a minor fibrillar collagen, collagen XI alpha 1 chain (COL11A1) expression has been found to be upregulated in a variety of human cancers including colorectal, esophagus, glioma, gastric, head and neck, lung, ovarian, pancreatic, salivary gland, and renal cancers. High levels of COL11A1 usually predict poor prognosis, owing to its association with angiogenesis, invasion, and drug resistance in cancer. However, little is known about the specific mechanism through which COL11A1 regulates tumor progression. Here, we have organized and summarized recent developments regarding the interactions between COL11A1 and intracellular signaling pathways and selected therapeutic agents targeting COL11A1, as these indicate its potential as a target for treatment of cancers, especially epithelial ovarian cancer.
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Affiliation(s)
- Yi-Hui Wu
- Department of Medical Research, Chi Mei Medical Center, Tainan, Taiwan.,Department of Nursing, Min-Hwei Junior College of Health Care Management, Tainan, Taiwan
| | - Cheng-Yang Chou
- Department of Obstetrics and Gynecology, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, Taiwan
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Sun M, Cogswell D, Adams S, Ayoubi Y, Kumar A, Reljic T, Avila MY, Margo CE, Espana EM. Downregulation of collagen XI during late postnatal corneal development is followed by upregulation after injury. J Cell Sci 2022; 135:273967. [PMID: 34854919 PMCID: PMC8767274 DOI: 10.1242/jcs.258694] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Accepted: 11/18/2021] [Indexed: 01/14/2023] Open
Abstract
Collagen XI plays a role in nucleating collagen fibrils and in controlling fibril diameter. The aim of this research was to elucidate the role that collagen XI plays in corneal fibrillogenesis during development and following injury. The temporal and spatial expression of collagen XI was evaluated in C57BL/6 wild-type mice. For wound-healing studies in adult mice, stromal injuries were created using techniques that avoid caustic chemicals. The temporal expression and spatial localization of collagen XI was studied following injury in a Col11a1 inducible knockout mouse model. We found that collagen XI expression occurs during early maturation and is upregulated after stromal injury in areas of regeneration and remodeling. Abnormal fibrillogenesis with new fibrils of heterogeneous size and shape occurs after injury in a decreased collagen XI matrix. In conclusion, collagen XI is expressed in the stroma during development and following injury in adults, and is a regulator of collagen fibrillogenesis in regenerating corneal tissue.
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Affiliation(s)
- Mei Sun
- From the Cornea, External Disease Service, Department of Ophthalmology, University of South Florida, Tampa, FL 33612, USA
| | - Devon Cogswell
- From the Cornea, External Disease Service, Department of Ophthalmology, University of South Florida, Tampa, FL 33612, USA
| | - Sheila Adams
- From the Cornea, External Disease Service, Department of Ophthalmology, University of South Florida, Tampa, FL 33612, USA
| | - Yasmin Ayoubi
- From the Cornea, External Disease Service, Department of Ophthalmology, University of South Florida, Tampa, FL 33612, USA
| | - Ambuj Kumar
- Research Methodology and Biostatistics Core, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
| | - Tea Reljic
- Research Methodology and Biostatistics Core, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
| | - Marcel Y. Avila
- Department of Ophthalmology, Universidad Nacional de Colombia, Bogota 111321, Colombia
| | - Curtis E. Margo
- From the Cornea, External Disease Service, Department of Ophthalmology, University of South Florida, Tampa, FL 33612, USA,Department of Pathology and Cell Biology, Morsani College of Medicine, University of South Florida, Tampa, FL 33612, USA
| | - Edgar M. Espana
- From the Cornea, External Disease Service, Department of Ophthalmology, University of South Florida, Tampa, FL 33612, USA,Department of Molecular Pharmacology and Physiology, University of South Florida, Tampa, FL 33612, USA,Author for correspondence ()
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Chen M, Miao H, Liang H, Ke X, Yang H, Gong F, Wang L, Duan L, Chen S, Pan H, Zhu H. Clinical Characteristics of Short-Stature Patients With Collagen Gene Mutation and the Therapeutic Response to rhGH. Front Endocrinol (Lausanne) 2022; 13:820001. [PMID: 35250876 PMCID: PMC8889571 DOI: 10.3389/fendo.2022.820001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 01/06/2022] [Indexed: 12/03/2022] Open
Abstract
CONTEXT Clinical genetic evaluation has been demonstrated as an important tool to elucidate the causes of growth disorders. Genetic defects of collagen formation (the collagenopathies) have been reported to be associated with short stature and skeletal dysplasias. Etiological diagnosis of skeletal abnormality-related short stature is challenging, and less is known about recombinant human growth hormone (rhGH) therapy. OBJECTIVE This is a single-center cohort study which aims at exploring the genetic architecture of short-stature children with skeletal abnormalities and evaluating the frequency of collagenopathies to determine their phenotype, including the rhGH treatment response. PATIENTS AND METHODS One hundred and six children with short stature and skeletal abnormalities were enrolled who were evaluated by next-generation sequencing (NGS) to detect variants in the skeletal collagen genes including COL1A1, COL1A2, COL2A1, COL9A1, COL9A2, COL9A3, COL10A1, COL11A1, and COL11A2. The results were evaluated using American College of Medical Genetics and Genomics (ACMG) guidelines. Clinical characteristics and rhGH treatment response were summarized. RESULTS Twenty-four pathogenic or likely pathogenic variants of collagen genes were found in 26 of 106 (24.5%) short-stature patients with skeletal abnormalities, of which COL2A1 mutations were the most common, accounting for about 57.7%. Other frequent mutations associated with skeletal development include FGFR3, ACAN, NPR2, COMP, and FBN1 in 12.2%, 0.9%, 0.8%, 0.4%, and 0.4%, respectively, resulting in significantly different degrees of short stature. An overview of clinical features of collagenopathies showed growth retardation, skeletal abnormalities, and heterogeneous syndromic abnormalities involving facial, eye, hearing, and cardiac abnormalities. The average height of 9 patients who received rhGH treatment improved from a median of -3.2 ± 0.9 SDS to -2.2 ± 1.3 SDS after 2.8 ± 2.1 years. The most significant height improvement of 2.3 SDS and 1.7 SDS was also seen in two patients who had been treated for more than 6 years. CONCLUSIONS A proband-based NGS revealed that distinct genetic architecture underlies short stature in varying degrees and clinical features. Skeletal abnormality-related short stature involving multiple systems should be tested for skeletal collagen gene mutation. Limited rhGH treatment data indicate an improved growth rate and height, and close monitoring of adverse reactions such as scoliosis is required.
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Mienaltowski MJ, Gonzales NL, Beall JM, Pechanec MY. Basic Structure, Physiology, and Biochemistry of Connective Tissues and Extracellular Matrix Collagens. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1348:5-43. [PMID: 34807414 DOI: 10.1007/978-3-030-80614-9_2] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Abstract
The physiology of connective tissues like tendons and ligaments is highly dependent upon the collagens and other such extracellular matrix molecules hierarchically organized within the tissues. By dry weight, connective tissues are mostly composed of fibrillar collagens. However, several other forms of collagens play essential roles in the regulation of fibrillar collagen organization and assembly, in the establishment of basement membrane networks that provide support for vasculature for connective tissues, and in the formation of extensive filamentous networks that allow for cell-extracellular matrix interactions as well as maintain connective tissue integrity. The structures and functions of these collagens are discussed in this chapter. Furthermore, collagen synthesis is a multi-step process that includes gene transcription, translation, post-translational modifications within the cell, triple helix formation, extracellular secretion, extracellular modifications, and then fibril assembly, fibril modifications, and fiber formation. Each step of collagen synthesis and fibril assembly is highly dependent upon the biochemical structure of the collagen molecules created and how they are modified in the cases of development and maturation. Likewise, when the biochemical structures of collagens or are compromised or these molecules are deficient in the tissues - in developmental diseases, degenerative conditions, or injuries - then the ultimate form and function of the connective tissues are impaired. In this chapter, we also review how biochemistry plays a role in each of the processes involved in collagen synthesis and assembly, and we describe differences seen by anatomical location and region within tendons. Moreover, we discuss how the structures of the molecules, fibrils, and fibers contribute to connective tissue physiology in health, and in pathology with injury and repair.
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Affiliation(s)
| | - Nicole L Gonzales
- Department of Animal Science, University of California Davis, Davis, CA, USA
| | - Jessica M Beall
- Department of Animal Science, University of California Davis, Davis, CA, USA
| | - Monica Y Pechanec
- Department of Animal Science, University of California Davis, Davis, CA, USA
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Abusharkh HA, Reynolds OM, Mendenhall J, Gozen BA, Tingstad E, Idone V, Abu-Lail NI, Van Wie BJ. Combining stretching and gallic acid to decrease inflammation indices and promote extracellular matrix production in osteoarthritic human articular chondrocytes. Exp Cell Res 2021; 408:112841. [PMID: 34563516 DOI: 10.1016/j.yexcr.2021.112841] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2021] [Revised: 08/21/2021] [Accepted: 09/22/2021] [Indexed: 10/20/2022]
Abstract
Osteoarthritis (OA) patients undergo cartilage degradation and experience painful joint swelling. OA symptoms are caused by inflammatory molecules and the upregulation of catabolic genes leading to the breakdown of cartilage extracellular matrix (ECM). Here, we investigate the effects of gallic acid (GA) and mechanical stretching on the expression of anabolic and catabolic genes and restoring ECM production by osteoarthritic human articular chondrocytes (hAChs) cultured in monolayers. hAChs were seeded onto conventional plates or silicone chambers with or without 100 μM GA. A 5% cyclic tensile strain (CTS) was applied to the silicone chambers and the deposition of collagen and glycosaminoglycan, and gene expressions of collagen types II (COL2A1), XI (COL11A2), I (COL1A1), and X (COL10A1), and matrix metalloproteinases (MMP-1 and MMP-13) as inflammation markers, were quantified. CTS and GA acted synergistically to promote the deposition of collagen and glycosaminoglycan in the ECM by 14- and 7-fold, respectively. Furthermore, the synergistic stimuli selectively upregulated the expression of cartilage-specific proteins, COL11A2 by 7-fold, and COL2A1 by 47-fold, and, in contrast, downregulated the expression of MMP-1 by 2.5-fold and MMP-13 by 125-fold. GA supplementation with CTS is a promising approach for restoring osteoarthritic hAChs ECM production ability making them suitable for complex tissue engineering applications.
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Affiliation(s)
- Haneen A Abusharkh
- Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA, 99164-6515, USA.
| | - Olivia M Reynolds
- Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA, 99164-6515, USA.
| | - Juana Mendenhall
- Department of Chemistry, Morehouse College, Atlanta, GA, 30314, USA.
| | - Bulent A Gozen
- School of Mechanical and Materials Engineering, Washington State University, Pullman, WA, 99164-2920, USA.
| | - Edwin Tingstad
- Inland Orthopedic Surgery and Sports Medicine Clinic, Pullman, WA, 99163, USA.
| | - Vincent Idone
- Regeneron Pharmaceuticals Inc, Tarrytown, NY, 10591, USA.
| | - Nehal I Abu-Lail
- Department of Biomedical Engineering and Chemical Engineering, The University of Texas at San Antonio, San Antonio, TX, 78249-3209, USA.
| | - Bernard J Van Wie
- Voiland School of Chemical Engineering and Bioengineering, Washington State University, Pullman, WA, 99164-6515, USA.
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16
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Xie G, Liang C, Yu H, Zhang Q. Association between polymorphisms of collagen genes and susceptibility to intervertebral disc degeneration: a meta-analysis. J Orthop Surg Res 2021; 16:616. [PMID: 34663366 PMCID: PMC8522091 DOI: 10.1186/s13018-021-02724-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Accepted: 09/15/2021] [Indexed: 11/25/2022] Open
Abstract
Background Collagens are important structural components of intervertebral disc. A number of studies have been performed for association between polymorphisms of collagen genes and risk of intervertebral disc degeneration (IVDD) but yielded inconsistent results. Here, we performed a meta-analysis to investigate the association of collagen IX alpha 2 (COL9A2) Trp2, collagen IX alpha 3 (COL9A3) Trp3, collagen I alpha 1 (COL1A1) Sp1 and collagen XI alpha 1 (COL11A1) C4603T polymorphisms with susceptibility to IVDD. Method Eligible studies were retrieved by searching MEDLINE, EMBASE, Web of Science prior to 31 March, 2021. Odds ratio (OR) and corresponding 95% confidence interval (CI) were calculated for association strength. Results A total of 28 eligible studies (31 datasets comprising 5497 cases and 5335 controls) were included. COL9A2 Trp2 carriers had an increased risk of IVDD than non-carriers in overall population (OR = 1.43, 95% CI 0.99–2.06, P = 0.058), which did not reach statistical significance. However, Trp2 carriers had 2.62-fold (95% CI 1.15–6.01, P = 0.022) risk than non-carriers in Caucasians. COL9A3 Trp3 was not associated with IVDD risk (OR = 1.28, 95% CI 0.81–2.02, P = 0.299). T allele and TT genotype of COL1A1 Sp1 (+ 1245G > T) were correlated with increased risk of IVDD. Significant associations were found between COL11A1 C4603T and IVDD risk under allelic (OR = 1.33, 95% CI 1.20–1.48), dominant (OR = 1.45, 95% CI 1.26–1.67), recessive (OR = 1.55, 95% CI 1.21–1.98) and homozygote model (OR = 1.81, 95% CI 1.40–2.34). Conclusions COL1A1 Sp1 and COL11A1 C4603T polymorphism are associated with IVDD risk while the predictive roles of collagen IX gene Trp2/3 need verification in more large-scale studies. Supplementary Information The online version contains supplementary material available at 10.1186/s13018-021-02724-8.
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Affiliation(s)
- Guohui Xie
- Department of Spine Surgery, Yuncheng Central Hospital, Shanxi Medical University, No. 3690, Hedong East Street, Yanhu District, Yuncheng, 044000, Shanxi Province, China
| | - Chunhong Liang
- Department of Spine Surgery, Yuncheng Central Hospital, Shanxi Medical University, No. 3690, Hedong East Street, Yanhu District, Yuncheng, 044000, Shanxi Province, China
| | - Honglin Yu
- Department of Spine Surgery, Yuncheng Central Hospital, Shanxi Medical University, No. 3690, Hedong East Street, Yanhu District, Yuncheng, 044000, Shanxi Province, China
| | - Qin Zhang
- Department of Spine Surgery, Yuncheng Central Hospital, Shanxi Medical University, No. 3690, Hedong East Street, Yanhu District, Yuncheng, 044000, Shanxi Province, China.
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Xu Q, Torres JE, Hakim M, Babiak PM, Pal P, Battistoni CM, Nguyen M, Panitch A, Solorio L, Liu JC. Collagen- and hyaluronic acid-based hydrogels and their biomedical applications. MATERIALS SCIENCE & ENGINEERING. R, REPORTS : A REVIEW JOURNAL 2021; 146:100641. [PMID: 34483486 PMCID: PMC8409465 DOI: 10.1016/j.mser.2021.100641] [Citation(s) in RCA: 86] [Impact Index Per Article: 28.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Hydrogels have been widely investigated in biomedical fields due to their similar physical and biochemical properties to the extracellular matrix (ECM). Collagen and hyaluronic acid (HA) are the main components of the ECM in many tissues. As a result, hydrogels prepared from collagen and HA hold inherent advantages in mimicking the structure and function of the native ECM. Numerous studies have focused on the development of collagen and HA hydrogels and their biomedical applications. In this extensive review, we provide a summary and analysis of the sources, features, and modifications of collagen and HA. Specifically, we highlight the fabrication, properties, and potential biomedical applications as well as promising commercialization of hydrogels based on these two natural polymers.
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Affiliation(s)
- Qinghua Xu
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Jessica E Torres
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Mazin Hakim
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
| | - Paulina M Babiak
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Pallabi Pal
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Carly M Battistoni
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
| | - Michael Nguyen
- Department of Biomedical Engineering, University of California Davis, Davis, California 95616, United States
| | - Alyssa Panitch
- Department of Biomedical Engineering, University of California Davis, Davis, California 95616, United States
| | - Luis Solorio
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
| | - Julie C Liu
- Davidson School of Chemical Engineering, Purdue University, West Lafayette, Indiana 47907, United States
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana 47907, USA
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18
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Musiime M, Chang J, Hansen U, Kadler KE, Zeltz C, Gullberg D. Collagen Assembly at the Cell Surface: Dogmas Revisited. Cells 2021; 10:662. [PMID: 33809734 PMCID: PMC8002325 DOI: 10.3390/cells10030662] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Revised: 03/08/2021] [Accepted: 03/12/2021] [Indexed: 12/12/2022] Open
Abstract
With the increased awareness about the importance of the composition, organization, and stiffness of the extracellular matrix (ECM) for tissue homeostasis, there is a renewed need to understand the details of how cells recognize, assemble and remodel the ECM during dynamic tissue reorganization events. Fibronectin (FN) and fibrillar collagens are major proteins in the ECM of interstitial matrices. Whereas FN is abundant in cell culture studies, it is often only transiently expressed in the acute phase of wound healing and tissue regeneration, by contrast fibrillar collagens form a persistent robust scaffold in healing and regenerating tissues. Historically fibrillar collagens in interstitial matrices were seen merely as structural building blocks. Cell anchorage to the collagen matrix was thought to be indirect and occurring via proteins like FN and cell surface-mediated collagen fibrillogenesis was believed to require a FN matrix. The isolation of four collagen-binding integrins have challenged this dogma, and we now know that cells anchor directly to monomeric forms of fibrillar collagens via the α1β1, α2β1, α10β1 and α11β1 integrins. The binding of these integrins to the mature fibrous collagen matrices is more controversial and depends on availability of integrin-binding sites. With increased awareness about the importance of characterizing the total integrin repertoire on cells, including the integrin collagen receptors, the idea of an absolute dependence on FN for cell-mediated collagen fibrillogenesis needs to be re-evaluated. We will summarize data suggesting that collagen-binding integrins in vitro and in vivo are perfectly well suited for nucleating and supporting collagen fibrillogenesis, independent of FN.
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Affiliation(s)
- Moses Musiime
- Department of Biomedicine and Centre for Cancer Biomarkers, University of Bergen, Jonas Lies vei 91, N-5009 Bergen, Norway; (M.M.); (C.Z.)
| | - Joan Chang
- Wellcome Centre for Cell-Matrix Research, Faculty of Biology, Medicine & Health, University of Manchester, Manchester Academic Health Science Centre, Manchester M13 9PT, UK; (J.C.); (K.E.K.)
| | - Uwe Hansen
- Institute for Musculoskeletal Medicine, University Hospital of Münster, 48149 Münster, Germany;
| | - Karl E. Kadler
- Wellcome Centre for Cell-Matrix Research, Faculty of Biology, Medicine & Health, University of Manchester, Manchester Academic Health Science Centre, Manchester M13 9PT, UK; (J.C.); (K.E.K.)
| | - Cédric Zeltz
- Department of Biomedicine and Centre for Cancer Biomarkers, University of Bergen, Jonas Lies vei 91, N-5009 Bergen, Norway; (M.M.); (C.Z.)
| | - Donald Gullberg
- Department of Biomedicine and Centre for Cancer Biomarkers, University of Bergen, Jonas Lies vei 91, N-5009 Bergen, Norway; (M.M.); (C.Z.)
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Herskind C, Sticht C, Sami A, Giordano FA, Wenz F. Gene Expression Profiles Reveal Extracellular Matrix and Inflammatory Signaling in Radiation-Induced Premature Differentiation of Human Fibroblast in vitro. Front Cell Dev Biol 2021; 9:539893. [PMID: 33681189 PMCID: PMC7930333 DOI: 10.3389/fcell.2021.539893] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Accepted: 01/27/2021] [Indexed: 01/02/2023] Open
Abstract
Purpose Fibroblasts are considered to play a major role in the development of fibrotic reaction after radiotherapy and premature radiation-induced differentiation has been proposed as a cellular basis. The purpose was to relate gene expression profiles to radiation-induced phenotypic changes of human skin fibroblasts relevant for radiogenic fibrosis. Materials and Methods Exponentially growing or confluent human skin fibroblast strains were irradiated in vitro with 1–3 fractions of 4 Gy X-rays. The differentiated phenotype was detected by cytomorphological scoring and immunofluorescence microscopy. Microarray analysis was performed on Human Genome U133 plus2.0 microarrays (Affymetrix) with JMP Genomics software, and pathway analysis with Reactome R-package. The expression levels and kinetics of selected genes were validated with quantitative real-time PCR (qPCR) and Western blotting. Results Irradiation of exponentially growing fibroblast with 1 × 4 Gy resulted in phenotypic differentiation over a 5-day period. This was accompanied by downregulation of cell cycle-related genes and upregulation of collagen and other extracellular matrix (ECM)-related genes. Pathway analysis confirmed inactivation of proliferation and upregulation of ECM- and glycosaminoglycan (GAG)-related pathways. Furthermore, pathways related to inflammatory reactions were upregulated, and potential induction and signaling mechanisms were identified. Fractionated irradiation (3 × 4 Gy) of confluent cultures according to a previously published protocol for predicting the risk of fibrosis after radiotherapy showed similar downregulation but differences in upregulated genes and pathways. Conclusion Gene expression profiles after irradiation of exponentially growing cells were related to radiation-induced differentiation and inflammatory reactions, and potential signaling mechanisms. Upregulated pathways by different irradiation protocols may reflect different aspects of the fibrogenic process thus providing a model system for further hypothesis-based studies of radiation-induced fibrogenesis.
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Affiliation(s)
- Carsten Herskind
- Cellular and Molecular Radiation Oncology Laboratory, Department of Radiation Oncology, Universitaetsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Carsten Sticht
- Centre for Medical Research, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Ahmad Sami
- Cellular and Molecular Radiation Oncology Laboratory, Department of Radiation Oncology, Universitaetsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Frank A Giordano
- Department of Radiation Oncology, Universitaetsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
| | - Frederik Wenz
- Department of Radiation Oncology, Universitaetsmedizin Mannheim, Medical Faculty Mannheim, Heidelberg University, Mannheim, Germany
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Gorski JP, Franz NT, Pernoud D, Keightley A, Eyre DR, Oxford JT. A repeated triple lysine motif anchors complexes containing bone sialoprotein and the type XI collagen A1 chain involved in bone mineralization. J Biol Chem 2021; 296:100436. [PMID: 33610546 PMCID: PMC8008188 DOI: 10.1016/j.jbc.2021.100436] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2020] [Revised: 02/05/2021] [Accepted: 02/16/2021] [Indexed: 01/16/2023] Open
Abstract
While details remain unclear, initiation of woven bone mineralization is believed to be mediated by collagen and potentially nucleated by bone sialoprotein (BSP). Interestingly, our recent publication showed that BSP and type XI collagen form complexes in mineralizing osteoblastic cultures. To learn more, we examined the protein composition of extracellular sites of de novo hydroxyapatite deposition which were enriched in BSP and Col11a1 containing an alternatively spliced "6b" exonal sequence. An alternate splice variant "6a" sequence was not similarly co-localized. BSP and Col11a1 co-purify upon ion-exchange chromatography or immunoprecipitation. Binding of the Col11a1 "6b" exonal sequence to bone sialoprotein was demonstrated with overlapping peptides. Peptide 3, containing three unique lysine-triplet sequences, displayed the greatest binding to osteoblastic cultures; peptides containing fewer lysine triplet motifs or derived from the "6a" exon yielded dramatically lower binding. Similar results were obtained with 6-carboxyfluorescein (FAM)-conjugated peptides and western blots containing extracts from osteoblastic cultures. Mass spectroscopic mapping demonstrated that FAM-peptide 3 bound to 90 kDa BSP and its 18 to 60 kDa fragments, as well as to 110 kDa nucleolin. In osteoblastic cultures, FAM-peptide 3 localized to biomineralization foci (site of BSP) and to nucleoli (site of nucleolin). In bone sections, biotin-labeled peptide 3 bound to sites of new bone formation which were co-labeled with anti-BSP antibodies. These results establish the fluorescent peptide 3 conjugate as the first nonantibody-based method to identify BSP on western blots and in/on cells. Further examination of the "6b" splice variant interactions will likely reveal new insights into bone mineralization during development.
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Affiliation(s)
- Jeff P Gorski
- Center of Excellence in Mineralized Tissue Research, School of Dentistry, University of Missouri-Kansas City, Kansas City, Missouri, USA; Department of Oral and Craniofacial Sciences, School of Dentistry, University of Missouri-Kansas City, Kansas City, Missouri, USA.
| | - Nichole T Franz
- Center of Excellence in Mineralized Tissue Research, School of Dentistry, University of Missouri-Kansas City, Kansas City, Missouri, USA; Department of Oral and Craniofacial Sciences, School of Dentistry, University of Missouri-Kansas City, Kansas City, Missouri, USA
| | - Daniel Pernoud
- Department of Oral and Craniofacial Sciences, School of Dentistry, University of Missouri-Kansas City, Kansas City, Missouri, USA
| | - Andrew Keightley
- Department of Ophthalmology and Proteomics Core Facility, University of Missouri-Kansas City School of Medicine, Kansas City, Missouri, USA
| | - David R Eyre
- Department of Orthopaedics and Sports Medicine, University of Washington, Seattle, Washington, USA
| | - Julia Thom Oxford
- Department of Biological Sciences, Center of Biomedical Research Excellence in Matrix Biology, Boise State University, Boise, Idaho, USA
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21
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Raspanti M, Protasoni M, Zecca PA, Reguzzoni M. Slippery when wet: The free surface of the articular cartilage. Microsc Res Tech 2020; 84:1257-1264. [PMID: 33378558 DOI: 10.1002/jemt.23684] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/24/2020] [Accepted: 12/15/2020] [Indexed: 12/26/2022]
Abstract
The free surface of the articular cartilage must withstand compressive and shearing forces, maintain a low friction coefficient and allow oxygen and metabolites to reach the underlying matrix. In many ways it is critical to the physiology of the whole tissue and its disruption always involves deep pathological alterations and loss of the joint integrity. Being very difficult to image with section-based conventional techniques, it was often described by previous research in conflicting terms or entirely overlooked. High-magnification face-on observations with high resolution scanning electron microscopy and with scanning probe microscopy revealed a very thin, delicate superficial layer rich in glycoconjugates, which may explain the very low friction coefficient of the tissue but which was very easily altered and/or dissolved in the preparation. Beneath this superficial sheet lies a thicker coat of thin, highly uniform, slightly wavy collagen fibrils lying parallel to the surface and mutually interconnected by a huge number of interfibrillar glycosaminoglycan bridges. These bridges and the collagen fibrils form an extended reticular structure able to redistribute tensile and compressive stress across a larger area of the surface and hence a greater volume of tissue.
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Affiliation(s)
- Mario Raspanti
- Laboratory of Human Morphology, Department of Medicine & Surgery, Insubria University, Varese, Italy
| | - Marina Protasoni
- Laboratory of Human Morphology, Department of Medicine & Surgery, Insubria University, Varese, Italy
| | - Piero Antonio Zecca
- Laboratory of Human Morphology, Department of Medicine & Surgery, Insubria University, Varese, Italy
| | - Marcella Reguzzoni
- Laboratory of Human Morphology, Department of Medicine & Surgery, Insubria University, Varese, Italy
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Extracellular Matrix Proteins and Transcription of Matrix-Associated Genes in Mesenchymal Stromal Cells during Modeling of the Effects of Microgravity. Bull Exp Biol Med 2020; 170:230-232. [PMID: 33263858 DOI: 10.1007/s10517-020-05040-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Indexed: 12/27/2022]
Abstract
We studied the effects of simulated microgravity (10 days) on the production of extracellular matrix proteins and expression of extracellular matrix-associated genes in human mesenchymal stem cells. A decrease in collagen production, reduced expression of TIMP-1, TIMP-3, and MMP-11 genes, and enhanced expression of tenascin and laminin subunit were revealed. The results attest to activation of proteolytic processes in the matrix of mesenchymal stromal cells and weakening of cell adhesion to extracellular matrix under conditions of simulated microgravity.
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Sun M, Luo EY, Adams SM, Adams T, Ye Y, Shetye SS, Soslowsky LJ, Birk DE. Collagen XI regulates the acquisition of collagen fibril structure, organization and functional properties in tendon. Matrix Biol 2020; 94:77-94. [PMID: 32950601 PMCID: PMC7722227 DOI: 10.1016/j.matbio.2020.09.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2020] [Revised: 09/14/2020] [Accepted: 09/14/2020] [Indexed: 12/31/2022]
Abstract
Collagen XI is a fibril-forming collagen that regulates collagen fibrillogenesis. Collagen XI is normally associated with collagen II-containing tissues such as cartilage, but it also is expressed broadly during development in collagen I-containing tissues, including tendons. The goals of this study are to define the roles of collagen XI in regulation of tendon fibrillar structure and the relationship to function. A conditional Col11a1-null mouse model was created to permit the spatial and temporal manipulation of Col11a1 expression. We hypothesize that collagen XI functions to regulate fibril assembly, organization and, therefore, tendon function. Previous work using cho mice with ablated Col11a1 alleles supported roles for collagen XI in tendon fibril assembly. Homozygous cho/cho mice have a perinatal lethal phenotype that limited the studies. To circumvent this, a conditional Col11a1flox/flox mouse model was created where exon 3 was flanked with loxP sites. Breeding with Scleraxis-Cre (Scx-Cre) mice yielded a tendon-specific Col11a1-null mouse line, Col11a1Δten/Δten. Col11a1flox/flox mice had no phenotype compared to wild type C57BL/6 mice and other control mice, e.g., Col11a1flox/flox and Scx-Cre. Col11a1flox/flox mice expressed Col11a1 mRNA at levels comparable to wild type and Scx-Cre mice. In contrast, in Col11a1Δten/Δten mice, Col11a1 mRNA expression decreased to baseline in flexor digitorum longus tendons (FDL). Collagen XI protein expression was absent in Col11a1Δten/Δten FDLs, and at ~50% in Col11a1+/Δten compared to controls. Phenotypically, Col11a1Δten/Δten mice had significantly decreased body weights (p < 0.001), grip strengths (p < 0.001), and with age developed gait impairment becoming hypomobile. In the absence of Col11a1, the tendon collagen fibrillar matrix was abnormal when analyzed using transmission electron microscopy. Reducing Col11a1 and, therefore collagen XI content, resulted in abnormal fibril structure, loss of normal fibril diameter control with a significant shift to small diameters and disrupted parallel alignment of fibrils. These alterations in matrix structure were observed in developing (day 4), maturing (day 30) and mature (day 60) mice. Altering the time of knockdown using inducible I-Col11a1−/− mice indicated that the primary regulatory foci for collagen XI was in development. In mature Col11a1Δten/Δten FDLs a significant decrease in the biomechanical properties was observed. The decrease in maximum stress and modulus suggest that fundamental differences in the material properties in the absence of Col11a1 expression underlie the mechanical deficiencies. These data demonstrate an essential role for collagen XI in regulation of tendon fibril assembly and organization occurring primarily during development.
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Affiliation(s)
- Mei Sun
- Department of Molecular Pharmacology & Physiology, University of South Florida, Morsani College of Medicine, 12901 Bruce B. Downs Blvd, Tampa, FL, 33612 USA
| | - Eric Y Luo
- Department of Molecular Pharmacology & Physiology, University of South Florida, Morsani College of Medicine, 12901 Bruce B. Downs Blvd, Tampa, FL, 33612 USA
| | - Sheila M Adams
- Department of Molecular Pharmacology & Physiology, University of South Florida, Morsani College of Medicine, 12901 Bruce B. Downs Blvd, Tampa, FL, 33612 USA
| | - Thomas Adams
- Department of Molecular Pharmacology & Physiology, University of South Florida, Morsani College of Medicine, 12901 Bruce B. Downs Blvd, Tampa, FL, 33612 USA
| | - Yaping Ye
- McKay Orthopedic Research Laboratory, University of Pennsylvania, Stemmler Hall, 3450 Hamilton Walk, Philadelphia, PA, 19104 USA
| | - Snehal S Shetye
- McKay Orthopedic Research Laboratory, University of Pennsylvania, Stemmler Hall, 3450 Hamilton Walk, Philadelphia, PA, 19104 USA
| | - Louis J Soslowsky
- McKay Orthopedic Research Laboratory, University of Pennsylvania, Stemmler Hall, 3450 Hamilton Walk, Philadelphia, PA, 19104 USA
| | - David E Birk
- Department of Molecular Pharmacology & Physiology, University of South Florida, Morsani College of Medicine, 12901 Bruce B. Downs Blvd, Tampa, FL, 33612 USA; McKay Orthopedic Research Laboratory, University of Pennsylvania, Stemmler Hall, 3450 Hamilton Walk, Philadelphia, PA, 19104 USA.
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Hansen U, Holmes DF, Bruckner P, Bishop PN. Analysis of opticin binding to collagen fibrils identifies a single binding site in the gap region and a high specificity towards thin heterotypic fibrils containing collagens II, and XI or V/XI. PLoS One 2020; 15:e0234672. [PMID: 32764753 PMCID: PMC7413481 DOI: 10.1371/journal.pone.0234672] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 07/23/2020] [Indexed: 11/29/2022] Open
Abstract
Opticin is a class III member of the extracellular matrix small leucine-rich repeat protein/proteoglycan (SLRP) family found in vitreous humour and cartilage. It was first identified associated with the surface of vitreous collagen fibrils and several other SLRPs are also known to bind collagen fibrils and it some cases alter fibril morphology. The purpose of this study was to investigate the binding of opticin to the collagen II-containing fibrils found in vitreous and cartilage. Electron microscopic studies using gold labelling demonstrated that opticin binds vitreous and thin cartilage collagen fibrils specifically at a single site in the gap region of the collagen D-period corresponding to the e2 stain band; this is the first demonstration of the binding site of a class III SLRP on collagen fibrils. Opticin did not bind thick cartilage collagen fibrils from cartilage or tactoids formed in vitro from collagen II, but shows high specificity for thin, heterotypic collagen fibrils containing collagens II, and XI or V/XI. Vitreous collagen fibrils from opticin null and wild-type mice were compared and no difference in fibril morphology or diameter was observed. Similarly, in vitro fibrillogenesis experiments showed that opticin did not affect fibril formation. We propose that when opticin is bound to collagen fibrils, rather than influencing their morphology it instead hinders the binding of other molecules to the fibril surfaces and/or act as an intermediary bridge linking the collagen fibrils to other non-collagenous molecules.
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Affiliation(s)
- Uwe Hansen
- Department of Physiological Chemistry & Pathobiochemistry, University Hospital of Münster, Münster, Germany
- Institute of Musculoskeletal Medicine, University Hospital Münster, Münster, Germany
- * E-mail: (PNB); (UH)
| | - David F. Holmes
- Wellcome Trust Centre for Cell-Matrix Research, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Peter Bruckner
- Department of Physiological Chemistry & Pathobiochemistry, University Hospital of Münster, Münster, Germany
| | - Paul N. Bishop
- Division of Evolution and Genomic Sciences, School of Biological Sciences, Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
- Manchester Royal Eye Hospital, Manchester University NHS Foundation Trust, Manchester Academic Health Science Centre, Manchester, United Kingdom
- * E-mail: (PNB); (UH)
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25
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Köhler A, Mörgelin M, Gebauer JM, Öcal S, Imhof T, Koch M, Nagata K, Paulsson M, Aumailley M, Baumann U, Zaucke F, Sengle G. New specific HSP47 functions in collagen subfamily chaperoning. FASEB J 2020; 34:12040-12052. [DOI: 10.1096/fj.202000570r] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Revised: 05/29/2020] [Accepted: 06/26/2020] [Indexed: 11/11/2022]
Affiliation(s)
- Anna Köhler
- Faculty of Medicine Center for Biochemistry University of Cologne Cologne Germany
| | - Matthias Mörgelin
- Division of Infection Medicine Department of Clinical Sciences Lund University Lund Sweden
- Colzyx AB Lund Sweden
| | - Jan M. Gebauer
- Faculty of Mathematics and Natural Sciences Institute of Biochemistry University of Cologne Cologne Germany
| | - Sinan Öcal
- Faculty of Mathematics and Natural Sciences Institute of Biochemistry University of Cologne Cologne Germany
| | - Thomas Imhof
- Faculty of Medicine Center for Biochemistry University of Cologne Cologne Germany
- Medical Faculty Institute for Dental Research and Oral Musculoskeletal Biology University of Cologne Cologne Germany
| | - Manuel Koch
- Medical Faculty Institute for Dental Research and Oral Musculoskeletal Biology University of Cologne Cologne Germany
| | - Kazuhiro Nagata
- Institute for Protein Dynamics Kyoto Sangyo University Kyoto Japan
| | - Mats Paulsson
- Faculty of Medicine Center for Biochemistry University of Cologne Cologne Germany
- Cologne Center for Musculoskeletal Biomechanics (CCMB) Cologne Germany
- Cluster of Excellence Cellular Stress Responses in Aging‐Associated Diseases (CECAD) University of Cologne Cologne Germany
- Center for Molecular Medicine Cologne (CMMC) Cologne Germany
| | - Monique Aumailley
- Faculty of Medicine Center for Biochemistry University of Cologne Cologne Germany
| | - Ulrich Baumann
- Faculty of Mathematics and Natural Sciences Institute of Biochemistry University of Cologne Cologne Germany
| | - Frank Zaucke
- Dr. Rolf M. Schwiete Research Unit for Osteoarthritis Orthopedic University Hospital, Friedrichsheim gGmbh Frankfurt/Main Germany
| | - Gerhard Sengle
- Faculty of Medicine Center for Biochemistry University of Cologne Cologne Germany
- Cologne Center for Musculoskeletal Biomechanics (CCMB) Cologne Germany
- Center for Molecular Medicine Cologne (CMMC) Cologne Germany
- Department of Pediatrics and Adolescent Medicine Faculty of Medicine University Hospital CologneUniversity of Cologne Cologne Germany
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26
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Ocken AR, Ku MM, Kinzer-Ursem TL, Calve S. Perlecan Knockdown Significantly Alters Extracellular Matrix Composition and Organization During Cartilage Development. Mol Cell Proteomics 2020; 19:1220-1235. [PMID: 32381549 PMCID: PMC7338092 DOI: 10.1074/mcp.ra120.001998] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 05/05/2020] [Indexed: 02/05/2023] Open
Abstract
Perlecan is a critical proteoglycan found in the extracellular matrix (ECM) of cartilage. In healthy cartilage, perlecan regulates cartilage biomechanics and we previously demonstrated perlecan deficiency leads to reduced cellular and ECM stiffness in vivo This change in mechanics may lead to the early onset osteoarthritis seen in disorders resulting from perlecan knockdown such as Schwartz-Jampel syndrome (SJS). To identify how perlecan knockdown affects the material properties of developing cartilage, we used imaging and liquid chromatography-tandem mass spectrometry (LC-MS/MS) to study the ECM in a murine model of SJS, Hspg2C1532Y-Neo Perlecan knockdown led to defective pericellular matrix formation, whereas the abundance of bulk ECM proteins, including many collagens, increased. Post-translational modifications and ultrastructure of collagens were not significantly different; however, LC-MS/MS analysis showed more protein was secreted by Hspg2C1532Y-Neo cartilage in vitro, suggesting that the incorporation of newly synthesized ECM was impaired. In addition, glycosaminoglycan deposition was atypical, which may explain the previously observed decrease in mechanics. Overall, these findings provide insight into the influence of perlecan on functional cartilage assembly and the progression of osteoarthritis in SJS.
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Affiliation(s)
- Alexander R Ocken
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana
| | - Madeline M Ku
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana
| | | | - Sarah Calve
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana.
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27
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Basso PR, Carava' E, Protasoni M, Reguzzoni M, Raspanti M. The synovial surface of the articular cartilage. Eur J Histochem 2020; 64. [PMID: 32613818 PMCID: PMC7341071 DOI: 10.4081/ejh.2020.3146] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Accepted: 06/17/2020] [Indexed: 02/06/2023] Open
Abstract
The articular cartilage has been the subject of a huge amount of research carried out with a wide array of different techniques. Most of the existing morphological and ultrastructural data on this tissue, however, were obtained either by light microscopy or by transmission electron microscopy. Both techniques rely on thin sections and neither allows a direct, face-on visualization of the free cartilage surface (synovial surface), which is the only portion subject to frictional as well as compressive forces. In the present research, high resolution visualization by scanning electron microscopy and by atomic force microscopy revealed that the collagen fibrils of the articular surface are exclusively represented by thin, uniform, parallel fibrils evocative of the heterotypic type IX-type II fibrils reported by other authors, immersed in an abundant matrix of glycoconjugates, in part regularly arranged in phase with the D-period of collagen. Electrophoresis of fluorophore-labeled saccharides confirmed that the superficial and the deeper layers are quite different in their glycoconjugate content as well, the deeper ones containing more sulfated, more acidic small proteoglycans bound to thicker, more heterogeneous collagen fibrils. The differences found between the synovial surface and the deeper layers are consistent with the different mechanical stresses they must withstand.
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Affiliation(s)
- Petra Rita Basso
- Department of Medicine and Surgery, Insubria University, Varese.
| | - Elena Carava'
- Department of Medicine and Surgery, Insubria University, Varese.
| | - Marina Protasoni
- Department of Medicine and Surgery, Insubria University, Varese.
| | | | - Mario Raspanti
- Department of Medicine and Surgery, Insubria University, Varese.
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28
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Campos Y, Almirall A, Fuentes G, Bloem HL, Kaijzel EL, Cruz LJ. Tissue Engineering: An Alternative to Repair Cartilage. TISSUE ENGINEERING PART B-REVIEWS 2020; 25:357-373. [PMID: 30913997 DOI: 10.1089/ten.teb.2018.0330] [Citation(s) in RCA: 33] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
Herein we review the state-of-the-art in tissue engineering for repair of articular cartilage. First, we describe the molecular, cellular, and histologic structure and function of endogenous cartilage, focusing on chondrocytes, collagens, extracellular matrix, and proteoglycans. We then explore in vitro cell culture on scaffolds, discussing the difficulties involved in maintaining or obtaining a chondrocytic phenotype. Next, we discuss the diverse compounds and designs used for these scaffolds, including natural and synthetic biomaterials and porous, fibrous, and multilayer architectures. We then report on the mechanical properties of different cell-loaded scaffolds, and the success of these scaffolds following in vivo implantation in small animals, in terms of generating tissue that structurally and functionally resembles native tissue. Last, we highlight future trends in this field. We conclude that despite major technical advances made over the past 15 years, and continually improving results in cartilage repair experiments in animals, the development of clinically useful implants for regeneration of articular cartilage remains a challenge
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Affiliation(s)
- Yaima Campos
- 1Biomaterials Center, Havana University, LA Habana, Cuba.,2Translational Nanobiomaterials and Imaging, Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | | | - Gastón Fuentes
- 1Biomaterials Center, Havana University, LA Habana, Cuba.,2Translational Nanobiomaterials and Imaging, Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Hans L Bloem
- 2Translational Nanobiomaterials and Imaging, Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Eric L Kaijzel
- 2Translational Nanobiomaterials and Imaging, Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
| | - Luis J Cruz
- 2Translational Nanobiomaterials and Imaging, Department of Radiology, Leiden University Medical Center, Leiden, The Netherlands
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29
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RNA-seq reveals downregulated osteochondral genes potentially related to tibia bacterial chondronecrosis with osteomyelitis in broilers. BMC Genet 2020; 21:58. [PMID: 32493207 PMCID: PMC7271470 DOI: 10.1186/s12863-020-00862-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2018] [Accepted: 05/18/2020] [Indexed: 12/14/2022] Open
Abstract
Background Bacterial chondronecrosis with osteomyelitis (BCO) develops in the growth plate (GP) of the proximal femur and tibia and is initiated by damage to the less mineralized chondrocytes followed by colonization of opportunistic bacteria. This condition affects approximately 1% of all birds housed, being considered one of the major causes of lameness in fast growing broilers. Although several studies have been previously performed aiming to understand its pathogenesis, the molecular mechanisms involved with BCO remains to be elucidated. Therefore, this study aimed to generate a profile of global differential gene expression involved with BCO in the tibia of commercial broilers, through RNA sequencing analysis to identity genes and molecular pathways involved with BCO in chickens. Results Our data showed 192 differentially expressed (DE) genes: 63 upregulated and 129 downregulated in the GP of the tibia proximal epiphysis of BCO-affected broilers. Using all DE genes, six Biological Processes (BP) were associated with bone development (connective tissue development, cartilage development, skeletal system development, organ morphogenesis, system development and skeletal system morphogenesis). The analyses of the upregulated genes did not indicate any significant BP (FDR < 0.05). However, with the downregulated genes, the same BP were identified when using all DE genes in the analysis, with a total of 26 coding genes explaining BCO in the tibia: ACAN, ALDH1A2, CDH7, CHAD, CHADL, COL11A1, COMP, CSGALNACT1, CYR61, FRZB, GAL3ST1, HAPLN1, IHH, KIF26B, LECT1, LPPR1, PDE6B, RBP4A, SERINC5, SFRP1, SOX8, SOX9, TENM2, THBS1, UCHL1 and WFIKKN2. In addition, seven transcription factors were also associated to BCO: NFATC2, MAFB, HIF1A-ARNT, EWSR1-FLI1, NFIC, TCF3 and NF-KAPPAB. Conclusions Our data show that osteochondral downregulated genes are potential molecular causes of BCO in broilers, and the bacterial process seems to be, in fact, a secondary condition. Sixteen genes responsible for bone and cartilage formation were downregulated in BCO-affected broilers being strong candidate genes to trigger this disorder.
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A Meta-analysis Assessing the Association Between COL11A1 and GDF5 Genetic Variants and Intervertebral Disc Degeneration Susceptibility. Spine (Phila Pa 1976) 2020; 45:E616-E623. [PMID: 31923126 DOI: 10.1097/brs.0000000000003371] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Abstract
STUDY DESIGN Meta-analysis to collect relevant studies to assess the association between COL11A1 and GDF5 genetic variants and susceptibility to IDD. OBJECTIVE The aim of this study was to assess whether or not COL11A1 and GDF5 genetic variants were associated with susceptibility to IDD. SUMMARY OF BACKGROUND DATA IDD or LDH is a major public health problem. There have been several studies evaluating the relationship between COL11A1 and GDF5 genetic variants with risk of intervertebral disc degeneration (IDD). However, the studies were limited in discrete outcome and sample size, and some of the results were contradictory. METHODS We systematically searched the relevant publications in electronic databases. Eligible studies were included based on the defined criteria. The pooled odds ratios (ORs) with its 95% confidence intervals (CIs) were received using STATA 15. Subgroup analysis, sensitivity analysis, publication bias, and the "Trim and fill" method were performed in the meta-analysis. RESULTS A total of 3287 IDD cases and 5115 controls were incorporated into the meta-analysis. Our results demonstrated that COL11A1 rs1676486 was significantly associated with increased IDD susceptibility under all genetic models (allele model T vs. C: OR = 1.40, 95% CI 1.23-1.59, P = 0.000; homozygote model TT vs. CC: OR = 1.89, 95%CI 1.40-2.56, P = 0.000; dominant model TT+TC vs. CC: OR = 1.52, 95% CI 1.29-1.80, P = 0.000; recessive model TT vs. TC + CC: OR = 1.58, 95% CI 1.18-2.12, P = 0.002). However, GDF5 rs143383 was not (allele model T vs. C: OR = 1.15, 95% CI 0.91-1.44, P = 0.244; homozygote model TT vs. CC: OR = 1.22, 95% CI 0.75-2.00, P = 0.429; dominant model TT vs. CC+CT: OR = 1.22, 95% CI 0.95-1.57, P = 0.112; recessive model TC + TT vs. CC: OR = 1.12, 95% CI 0.73-1.73, P = 0.594). Subgroup analysis indicated ethnicity was not the source of heterogeneity. Sensitivity analysis, publication bias, and the "Trim and fill" method demonstrated the meta-analysis was of reliability. CONCLUSION Our results suggested that COL11A1 rs1676486 was significantly associated with IDD and the T allele was a risky factor. However, GDF5 rs143383 was not. LEVEL OF EVIDENCE 1.
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31
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Yang X, Jia H, Xing W, Li F, Li M, Sun K, Zhu Y. Multiple variants in collagen genes are associated with the susceptibility to lumbar disc herniation in the Chinese population. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2020; 29:1709-1716. [PMID: 32048053 DOI: 10.1007/s00586-020-06299-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/08/2019] [Revised: 01/05/2020] [Accepted: 01/15/2020] [Indexed: 11/29/2022]
Abstract
PURPOSE Lumbar disc herniation (LDH) is an important cause of back pain and sciatica, but its aetiology is not fully understood. Single-nucleotide polymorphisms (SNPs) in specific collagen genes are known to increase the risk of lumbar disc degeneration. We performed a case-control study among the Chinese Han population to investigate whether genetic variations in collagen genes were associated with the risk of LDH or not. METHODS We genotyped SNPs selected from 1000 Genome Projects using Agena MassARRAY technology. Three hundred and eighty-four LDH cases were compared with 384 controls of similar age, using the odds ratio and 95% confidence interval to calculate the susceptibility in several genetic models. RESULTS Our results revealed that subjects with the rs6122316-C variant of the COL9A3 gene had a higher likelihood of LDH than subjects with the allele T variant in both the codominant and recessive models. In addition, after gender stratification analysis, we found significant associations between rs16970089 and rs740024 and LDH risk in females. Age stratification analysis illustrated that rs16970089 and rs6122316 were also correlated with LDH risk in people over 50 years. The smoking stratification illustrated that rs2071358 and rs740024 had an increased association with LDH risk in smokers. And after drinking stratification, we also observed the significance between rs740024 and LDH risk. CONCLUSIONS Variants in genes for COL1A1, COL9A3 and COL2A1 significantly influence the risk of LDH. Large and well-designed studies are needed to confirm and explain these conclusions. These slides can be retrieved under Electronic Supplementary Material.
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Affiliation(s)
- Xuejun Yang
- Department of Spine (Thoracic and Vertebra), The Second Affiliated Hospital of Inner Mongolia University, #1 Yingfang Road, Hohhot, 010030, Inner Mongolia, China
| | - Haiyu Jia
- The Affiliated Hospital of Inner Mongolia Medical College, Hohhot, 010000, Inner Mongolia, China
| | - Wenhua Xing
- Department of Spine (Thoracic and Vertebra), The Second Affiliated Hospital of Inner Mongolia University, #1 Yingfang Road, Hohhot, 010030, Inner Mongolia, China
| | - Feng Li
- Department of Spine (Thoracic and Vertebra), The Second Affiliated Hospital of Inner Mongolia University, #1 Yingfang Road, Hohhot, 010030, Inner Mongolia, China
| | - Manglai Li
- Inner Mongolia Medical University, Hohhot, 010110, Inner Mongolia, China
| | - Ke Sun
- Inner Mongolia Medical University, Hohhot, 010110, Inner Mongolia, China
| | - Yong Zhu
- Department of Spine (Thoracic and Vertebra), The Second Affiliated Hospital of Inner Mongolia University, #1 Yingfang Road, Hohhot, 010030, Inner Mongolia, China.
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Rice SJ, Cheung K, Reynard LN, Loughlin J. Discovery and analysis of methylation quantitative trait loci (mQTLs) mapping to novel osteoarthritis genetic risk signals. Osteoarthritis Cartilage 2019; 27:1545-1556. [PMID: 31173883 DOI: 10.1016/j.joca.2019.05.017] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 05/23/2019] [Accepted: 05/24/2019] [Indexed: 02/02/2023]
Abstract
OBJECTIVE Osteoarthritis (OA) is polygenic with over 90 independent genome-wide association loci so far reported. A key next step is the identification of target genes and the molecular mechanisms through which this genetic risk operates. The majority of OA risk-conferring alleles are predicted to act by modulating gene expression. DNA methylation at CpG dinucleotides may be a functional conduit through which this occurs and is detectable by mapping methylation quantitative trait loci, or mQTLs. This approach can therefore provide functional insight into OA risk and will prioritize genes for subsequent investigation. That was our goal, with a focus on the largest set of OA loci yet to be reported. METHOD We investigated DNA methylation, genotype and RNA sequencing data derived from the cartilage of patients who had undergone arthroplasty and combined this with in silico analyses of expression quantitative trait loci, epigenomes and chromatin interactions. RESULTS We investigated 42 OA risk loci and in ten of these we identified 24 CpGs in which methylation correlated with genotype (false discovery rate (FDR) P-values ranging from 0.049 to 1.73x10-25). In silico analyses of these mQTLs prioritised genes and regulatory elements at the majority of the ten loci, with COLGALT2 (encoding a collagen galactosyltransferase), COL11A2 (encoding a polypeptide chain of type XI collagen) and WWP2 (encoding a ubiquitin ligase active during chondrogenesis) emerging as particularly compelling target genes. CONCLUSION We have highlighted the pivotal role of DNA methylation as a link between genetic risk and OA and prioritized genes for further investigation.
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Affiliation(s)
- S J Rice
- Newcastle University, Institute of Genetic Medicine, Newcastle upon Tyne, UK.
| | - K Cheung
- Newcastle University, Institute of Genetic Medicine, Newcastle upon Tyne, UK; Newcastle University, Bioinformatics Support Unit, Newcastle upon Tyne, UK.
| | - L N Reynard
- Newcastle University, Institute of Genetic Medicine, Newcastle upon Tyne, UK.
| | - J Loughlin
- Newcastle University, Institute of Genetic Medicine, Newcastle upon Tyne, UK.
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Analysis of Collagen-Binding Integrin Interactions with Supramolecular Aggregates of the Extracellular Matrix. Methods Mol Biol 2019; 1944:157-166. [PMID: 30840242 DOI: 10.1007/978-1-4939-9095-5_12] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/02/2023]
Abstract
Integrin-mediated interactions of cells with the extracellular matrix (ECM) are important for their activities. The ECM itself is a complex network of macromolecules forming aggregates or suprastructures. Moreover, the molecular composition is important for the macromolecular organization and, thereby, the functional properties of the ECM. In addition, collagen molecules lose their integrin-binding capabilities after incorporation into fibrils. Therefore, we have established detailed protocols for the analysis of integrin-matrix interactions at the supramolecular level.
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Yang Q, Zhou Y, Cai P, Fu W, Wang J, Wei Q, Li X. Downregulation of microRNA-23b-3p alleviates IL-1β-induced injury in chondrogenic CHON-001 cells. DRUG DESIGN DEVELOPMENT AND THERAPY 2019; 13:2503-2512. [PMID: 31440033 PMCID: PMC6664255 DOI: 10.2147/dddt.s211051] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/03/2019] [Accepted: 05/31/2019] [Indexed: 12/12/2022]
Abstract
Background Osteoarthritis (OA) is a common joint disease, which is characterized by degradation of articular cartilage. Evidence indicated that miR-23b-3p was upregulated in cartilage tissues of a patient with OA. However, the mechanism by which miR-23b-3p regulates the occurrence and development of OA remains unclear. Thus, this study aimed to investigate the role of miR-23b-3p in the progression of OA. Methods In this study, qRT-PCR was used to measure the expression of miR-23b-3p in OA tissue samples and normal controls, respectively. Western blotting assay was performed to detect the levels of collagen II, aggrecan, Bax and active caspase 3 in CHON-001 cells. In addition, the dual-luciferase reporter system assay was used to detect the interaction between miR-23b-3p and COL11A2 in OA. Results The levels of miR-23b-3p were upregulated, while the expressions of collagen II and aggrecan were decreased in OA tissues and in IL-1β-treated CHON-001 cells. In addition, IL-1β significantly induced apoptosis of CHON-001 cells via increasing the levels of Bax and active caspase 3. However, downregulation of miR-23b-3p markedly inhibited IL-1β-induced apoptosis in CHON-001 cells via increasing the collagen II and aggrecan levels and decreasing Bax and active caspase 3 expressions. Meanwhile, dual-luciferase assay showed that COL11A2 was the direct target of miR-23b-3p in CHON-001 cells. Overexpression of miR-23b-3p markedly decreased the level of COL11A2 in cells. Moreover, downregulation of miR-23b-3p alleviated synovitis/cartilage destruction and reduced Osteoarthritis Research Society International scores and subchondral bone thickness in vivo. Conclusion Downregulation of miR-23b-3p could alleviate the progression of OA through upregulating COL11A2 in vivo and in vitro. Therefore, downregulation of miR-23b-3p might be a potential therapeutic strategy for the treatment of OA.
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Affiliation(s)
- Qining Yang
- Department of Joint Surgery, Jinhua Municipal Central Hospital, Jinhua, Zhejiang 321000, People's Republic of China
| | - Yongwei Zhou
- Department of Joint Surgery, Jinhua Municipal Central Hospital, Jinhua, Zhejiang 321000, People's Republic of China
| | - Pengfei Cai
- Department of Joint Surgery, Jinhua Municipal Central Hospital, Jinhua, Zhejiang 321000, People's Republic of China
| | - Weicong Fu
- Department of Joint Surgery, Jinhua Municipal Central Hospital, Jinhua, Zhejiang 321000, People's Republic of China
| | - Jinhua Wang
- Department of Joint Surgery, Jinhua Municipal Central Hospital, Jinhua, Zhejiang 321000, People's Republic of China
| | - Qiang Wei
- Department of Joint Surgery, Jinhua Municipal Central Hospital, Jinhua, Zhejiang 321000, People's Republic of China
| | - Xiaofei Li
- Department of Joint Surgery, Jinhua Municipal Central Hospital, Jinhua, Zhejiang 321000, People's Republic of China
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Isolation and Characterisation of Major and Minor Collagens from Hyaline Cartilage of Hoki ( Macruronus novaezelandiae). Mar Drugs 2019; 17:md17040223. [PMID: 31013845 PMCID: PMC6521242 DOI: 10.3390/md17040223] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 04/08/2019] [Accepted: 04/09/2019] [Indexed: 01/04/2023] Open
Abstract
The composition and properties of collagen in teleost (bony fish) cartilage have never been studied. In this study, we aimed to identify and characterise all collagen species in the nasal cartilage of hoki (Macruronus novaezelandiae). Four native collagen species were extracted using two techniques, and isolated with differential salt precipitation. We were able to assign the identity of three of these collagen species on the basis of solubility, SDS-PAGE and amino acid analyses. We found that hoki cartilage contains the major collagen, type II, and the minor collagens, type IX and type XI, which are homologous to those found in mammal and chicken cartilage. Using these extraction protocols, we also isolated a full-length type IX collagen from cartilage for the first time. In addition, we detected a 90 kDa, highly glycosylated collagen that has not been identified in any other species. For each isolate, structural and biochemical characterisations were performed using circular dichroism and Fourier transform infrared spectroscopy analyses, and the thermal denaturation properties were determined. Our results showed that the properties of hoki cartilage-derived collagens are similar to those of collagens in mammalian cartilage, indicating that teleost cartilage could provide biological ingredients for the development of biomaterials to treat cartilage-related illnesses.
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Sorushanova A, Delgado LM, Wu Z, Shologu N, Kshirsagar A, Raghunath R, Mullen AM, Bayon Y, Pandit A, Raghunath M, Zeugolis DI. The Collagen Suprafamily: From Biosynthesis to Advanced Biomaterial Development. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2019; 31:e1801651. [PMID: 30126066 DOI: 10.1002/adma.201801651] [Citation(s) in RCA: 498] [Impact Index Per Article: 99.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Revised: 06/03/2018] [Indexed: 05/20/2023]
Abstract
Collagen is the oldest and most abundant extracellular matrix protein that has found many applications in food, cosmetic, pharmaceutical, and biomedical industries. First, an overview of the family of collagens and their respective structures, conformation, and biosynthesis is provided. The advances and shortfalls of various collagen preparations (e.g., mammalian/marine extracted collagen, cell-produced collagens, recombinant collagens, and collagen-like peptides) and crosslinking technologies (e.g., chemical, physical, and biological) are then critically discussed. Subsequently, an array of structural, thermal, mechanical, biochemical, and biological assays is examined, which are developed to analyze and characterize collagenous structures. Lastly, a comprehensive review is provided on how advances in engineering, chemistry, and biology have enabled the development of bioactive, 3D structures (e.g., tissue grafts, biomaterials, cell-assembled tissue equivalents) that closely imitate native supramolecular assemblies and have the capacity to deliver in a localized and sustained manner viable cell populations and/or bioactive/therapeutic molecules. Clearly, collagens have a long history in both evolution and biotechnology and continue to offer both challenges and exciting opportunities in regenerative medicine as nature's biomaterial of choice.
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Affiliation(s)
- Anna Sorushanova
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Luis M Delgado
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Zhuning Wu
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Naledi Shologu
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Aniket Kshirsagar
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Rufus Raghunath
- Centre for Cell Biology and Tissue Engineering, Competence Centre Tissue Engineering for Drug Development (TEDD), Department Life Sciences and Facility Management, Institute for Chemistry and Biotechnology (ICBT), Zürich University of Applied Sciences, Wädenswil, Switzerland
| | | | - Yves Bayon
- Sofradim Production-A Medtronic Company, Trevoux, France
| | - Abhay Pandit
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
| | - Michael Raghunath
- Centre for Cell Biology and Tissue Engineering, Competence Centre Tissue Engineering for Drug Development (TEDD), Department Life Sciences and Facility Management, Institute for Chemistry and Biotechnology (ICBT), Zürich University of Applied Sciences, Wädenswil, Switzerland
| | - Dimitrios I Zeugolis
- Regenerative, Modular and Developmental Engineering Laboratory (REMODEL), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
- Science Foundation Ireland (SFI) Centre for Research in Medical Devices (CÚRAM), Biomedical Sciences Building, National University of Ireland Galway (NUI Galway), Galway, Ireland
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Yang X, Jia H, Xing W, Li F, Li M, Sun K, Zhu Y. Genetic variants in COL11A2 of lumbar disk degeneration among Chinese Han population. Mol Genet Genomic Med 2018; 7:e00524. [PMID: 30548218 PMCID: PMC6393657 DOI: 10.1002/mgg3.524] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 11/05/2018] [Accepted: 11/05/2018] [Indexed: 12/31/2022] Open
Abstract
BACKGROUND Lumbar disk disease (LDD) is a common musculoskeletal disorder. Several predisposing genetic and environmental risk factors have been established for symptomatic LDD. METHODS We conducted a case-control association study to investigate the role of the COL11A2 gene in LDD. Genotyping of 384 Chinese Han LDD patients and 384 Chinese Han controls was made for six single-nucleotide polymorphisms (SNPs) from COL11A2 by Agena Massarray. We evaluated these SNPs association with LDD using the chi-square test and genetic model analysis. RESULTS The strongest associations with LDD were observed for polymorphisms in rs2071025. Carriers of "A" allele had an increased risk of LDD (OR = 1.47, 95% CI = 1.20-1.80, p = 0.0002) as compared with the "G" allele in allele model. We found that rs2071025 were associated with LDD in female and male from the stratification analyses (p < 0.05). Genetic models showed that rs986522(C) significantly increased the risk of LDD in female; however, in males, we did not find significant associations between the rs986522 and LDD risk. CONCLUSION This study showed a genetic association with COL11A2 polymorphism in individuals with LDD. These data may provide novel insights into the pathogenesis of LDD, although further studies with larger numbers of participants worldwide are needed for validation of our conclusions.
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Affiliation(s)
- Xuejun Yang
- Department of Spine (Thoracic and Vertebra), The Second Affiliated Hospital of Inner Mongolia University, Hohhot, China
| | - Haiyu Jia
- The Affiliated Hospital of Inner Mongolia Medical College, Hohhot, China
| | - Wenhua Xing
- Department of Spine (Thoracic and Vertebra), The Second Affiliated Hospital of Inner Mongolia University, Hohhot, China
| | - Feng Li
- Department of Spine (Thoracic and Vertebra), The Second Affiliated Hospital of Inner Mongolia University, Hohhot, China
| | - Manglai Li
- Inner Mongolia Medical University, Hohhot, China
| | - Ke Sun
- Inner Mongolia Medical University, Hohhot, China
| | - Yong Zhu
- Department of Spine (Thoracic and Vertebra), The Second Affiliated Hospital of Inner Mongolia University, Hohhot, China
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Lawrence EA, Kague E, Aggleton JA, Harniman RL, Roddy KA, Hammond CL. The mechanical impact of col11a2 loss on joints; col11a2 mutant zebrafish show changes to joint development and function, which leads to early-onset osteoarthritis. Philos Trans R Soc Lond B Biol Sci 2018; 373:rstb.2017.0335. [PMID: 30249781 PMCID: PMC6158203 DOI: 10.1098/rstb.2017.0335] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/03/2018] [Indexed: 12/12/2022] Open
Abstract
Collagen is the major structural component of cartilage, and mutations in the genes encoding type XI collagen are associated with severe skeletal dysplasias (fibrochondrogenesis and Stickler syndrome) and early-onset osteoarthritis (OA). The impact of the lack of type XI collagen on cell behaviour and mechanical performance during skeleton development is unknown. We studied a zebrafish mutant for col11a2 and evaluated cartilage, bone development and mechanical properties to address this. We show that in col11a2 mutants, type II collagen is made but is prematurely degraded in maturing cartilage and ectopically expressed in the joint. These changes are correlated with increased stiffness of both bone and cartilage; quantified using atomic force microscopy. In the mutants, the skeletal rudiment terminal region in the jaw joint is broader and the interzone smaller. These differences in shape and material properties impact on joint function and mechanical performance, which we modelled using finite element analyses. Finally, we show that col11a2 heterozygous carriers reach adulthood but show signs of severe early-onset OA. Taken together, our data demonstrate a key role for type XI collagen in maintaining the properties of cartilage matrix; which when lost leads to alterations to cell behaviour that give rise to joint pathologies.This article is part of the Theo Murphy meeting issue 'Mechanics of development'.
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Affiliation(s)
- Elizabeth A Lawrence
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol BS8 1TD, UK
| | - Erika Kague
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol BS8 1TD, UK
| | - Jessye A Aggleton
- School of Anthropology and Archaeology, University of Bristol, Bristol BS8 1UU, UK
| | | | - Karen A Roddy
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol BS8 1TD, UK
| | - Chrissy L Hammond
- School of Physiology, Pharmacology and Neuroscience, University of Bristol, Bristol BS8 1TD, UK
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A genetic variant in COL11A1 is functionally associated with lumbar disc herniation in Chinese population. J Genet 2018; 96:867-872. [PMID: 29321344 DOI: 10.1007/s12041-017-0874-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Abstract
This study aimed to explore whether the genetic variant of COL11A1 is functionally associated with the development of lumbar disc herniation (LDH) in Chinese population. SNP rs1676486 of COL11A1 was genotyped in 647 patients and 532 healthy controls. The differences of genotype and allele distributions between LDH patients and healthy controls were evaluated using the χ² test. One-way ANOVA test was used to compare the relationship between genotypes and clinical features including tissue expression of COL11A1 and the degree of disc degeneration. Patients were found to have a significantly higher frequency of TT than the controls (10.2% versus 7.3%, P = 0.004). Besides, the frequency of allele T was found to be remarkably higher in the patients than the controls (34.8% versus 28.1%, P < 0.001) with an odds ratio of 1.36 (95% confidential interval=1.14-1.63). Patients with genotype TT were found to have remarkably more severe disc degeneration (P = 0.02). Besides, the expression of COL11A1 in the lumbar disc was significantly lower in the patients with genotype TT than in those with genotype CT or CC (P < 0.001). Moreover, the expression level was inversely correlated with the severity of disc degeneration (P < 0.001). We confirmed that the rs1676486 of COL11A may be functionally associated with LDH in the Chinese population. Extracellular matrix related proteins may play an important role in the pathogenesis of LDH. Our findings shed light on a better understanding of the pathogenesis of LDH, which could be a promising target for a novel treatment modality of LDH.
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Cheng A, Cain SA, Tian P, Baldwin AK, Uppanan P, Kielty CM, Kimber SJ. Recombinant Extracellular Matrix Protein Fragments Support Human Embryonic Stem Cell Chondrogenesis. Tissue Eng Part A 2018; 24:968-978. [PMID: 29279011 PMCID: PMC5984563 DOI: 10.1089/ten.tea.2017.0285] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
We previously developed a 14-day culture protocol under potentially GMP, chemically defined conditions, to generate chondroprogenitors from human embryonic stem cells (hESCs). In vivo work has confirmed the cartilage repair capacity of these cells in a nude rat osteochondral defect model. Aiming to enhance hESC-chondrogenesis, we screened a range of extracellular matrix (ECM) molecules for their ability to support differentiation of hESCs toward chondrocytes. We identified two novel ECM protein fragments that supported hESC-chondrogenesis: Fibronectin III (fibronectin 7-14 protein fragments, including the RGD domain, syndecan-binding domain, and heparin-binding domain) and fibrillin-1 (FBN1) fragment PF8 (encoded by exons 30-38, residues 1238-1605, which contains the RGD motif but not heparin-binding site). These two protein fragments support hESC-chondrogenesis compared with the substrates routinely used previously (a mixture of fibronectin and gelatin) in our directed chondrogenic protocol. We have identified recombinant fibronectin fragment (FN III) and FBNI fragment (PF8) as alternative coating substrates to promote expression of genes known to regulate chondrocytes and code for chondrocyte ECM components. These recombinant protein fragments are likely to have better batch to batch stability than full-length molecules, especially where extracted from tissue/serum.
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Affiliation(s)
- Aixin Cheng
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Stuart A. Cain
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Pinyuan Tian
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Andrew K. Baldwin
- Academic Group—Engineering, Sports and Sciences, The University of Bolton, Bolton, United Kingdom
| | | | - Cay M. Kielty
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
| | - Susan J. Kimber
- Faculty of Biology, Medicine and Health, University of Manchester, Manchester, United Kingdom
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Li A, Wei Y, Hung C, Vunjak-Novakovic G. Chondrogenic properties of collagen type XI, a component of cartilage extracellular matrix. Biomaterials 2018; 173:47-57. [PMID: 29758546 DOI: 10.1016/j.biomaterials.2018.05.004] [Citation(s) in RCA: 40] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Revised: 04/30/2018] [Accepted: 05/03/2018] [Indexed: 12/17/2022]
Abstract
Cartilage extracellular matrix (ECM) has been used for promoting tissue engineering. However, the exact effects of ECM on chondrogenesis and the acting mechanisms are not well understood. In this study, we investigated the chondrogenic effects of cartilage ECM on human mesenchymal stem cells (MSCs) and identified the contributing molecular components. To this end, a preparation of articular cartilage ECM was supplemented to pellets of chondrogenically differentiating MSCs, pellets of human chondrocytes, and bovine articular cartilage explants to evaluate the effects on cell proliferation and the production of cartilaginous matrix. Selective enzymatic digestion and screening of ECM components were conducted to identify matrix molecules with chondrogenic properties. Cartilage ECM promoted MSC proliferation, production of cartilaginous matrix, and maturity of chondrogenic differentiation, and inhibited the hypertrophic differentiation of MSC-derived chondrocytes. Selective digestion of ECM components revealed a contributory role of collagens in promoting chondrogenesis. The screening of various collagen subtypes revealed strong chondrogenic effect of collagen type XI. Finally, collagen XI was found to promote production and inhibit degradation of cartilage matrix in human articular chondrocyte pellets and bovine articular cartilage explants. Our results indicate that cartilage ECM promotes chondrogenesis and inhibits hypertrophic differentiation in MSCs. Collagen type XI is the ECM component that has the strongest effects on enhancing the production and inhibiting the degradation of cartilage matrix.
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Affiliation(s)
- Ang Li
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Yiyong Wei
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Clark Hung
- Department of Biomedical Engineering, Columbia University, New York, NY, USA
| | - Gordana Vunjak-Novakovic
- Department of Biomedical Engineering, Columbia University, New York, NY, USA; Department of Medicine, Columbia University, New York, NY, USA.
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Giantin is required for coordinated production of aggrecan, link protein and type XI collagen during chondrogenesis. Biochem Biophys Res Commun 2018; 499:459-465. [PMID: 29577904 DOI: 10.1016/j.bbrc.2018.03.163] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 03/21/2018] [Indexed: 12/12/2022]
Abstract
Extracellular matrix (ECM) constitutes a proper micro-environment for cell proliferation, migration and differentiation, as well as playing pivotal roles in developmental processes including endochondral ossification. Cartilage ECM is mainly composed of fibrous proteins, including collagen, proteoglycan, and hyaluronan. Because almost all ECM components are transported by intracellular vesicular transport systems, molecules that mediate vesicle transport are also important for endochondral ossification. Giantin, encoded by the Golgb1 gene, is a tethering factor for coatomer 1 (COPI) vesicles and functions in the cis-medial Golgi compartments. An insertion mutation in the Golgb1 gene, resulting in a lack of giantin protein expression, has been detected in ocd/ocd rats that exhibit a pleiotropic phenotype including osteochondrodysplasia. To reveal the function of giantin in chondrogenesis, the present study assessed the effects of loss of giantin expression on cartilage ECM and Golgi morphology. Giantin was expressed in normal, but not in ocd/ocd, chondrocytes in the epiphyseal areas of embryonic femurs, whereas GM130 was expressed in both normal and ocd/ocd chondrocytes. The staining intensities of safranin O and azan (aniline blue) were reduced and enhanced, respectively, in epiphyseal cartilage of ocd/ocd femurs. Immunostaining showed that levels of type II collagen and fibronectin were comparable in normal and ocd/ocd cartilage. Levels of type XI collagen were higher, while levels of aggrecan, link protein and hyaluronan were lower, in ocd/ocd than in normal cartilage, although semi-quantitative RT-PCR showed similar levels of type XI collagen, aggrecan and link protein mRNAs in normal and ocd/ocd cartilage. Isolated chondrocytes of ocd/ocd and normal rats showed similar immunostaining patterns for cis-, medial-, and trans-Golgi marker proteins, whereas monolayers of ocd/ocd chondrocytes showed reduced levels of aggrecan and link protein and increased level of type XI collagen in spite of similar transcripts levels. These findings suggest that giantin plays a pivotal role in coordinated production of aggrecan, link protein and type XI collagen in chondrocytes, and that loss of giantin causes osteochondrodysplasia with disturbance of these ECM components.
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Holyoak DT, Otero M, Armar NS, Ziemian SN, Otto A, Cullinane D, Wright TM, Goldring SR, Goldring MB, van der Meulen MC. Collagen XI mutation lowers susceptibility to load-induced cartilage damage in mice. J Orthop Res 2018; 36:711-720. [PMID: 28898438 PMCID: PMC8813548 DOI: 10.1002/jor.23731] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/01/2017] [Accepted: 08/31/2017] [Indexed: 02/04/2023]
Abstract
Interactions among risk factors for osteoarthritis (OA) are not well understood. We investigated the combined impact of two prevalent risk factors: mechanical loading and genetically abnormal cartilage tissue properties. We used cyclic tibial compression to simulate mechanical loading in the cho/+ (Col11a1 haploinsufficient) mouse, which has abnormal collagen fibrils in cartilage due to a point mutation in the Col11a1 gene. We hypothesized that the mutant collagen would not alter phenotypic bone properties and that cho/+ mice, which develop early onset OA, would develop enhanced load-induced cartilage damage compared to their littermates. To test our hypotheses, we applied cyclic compression to the left tibiae of 6-month-old cho/+ male mice and wild-type (WT) littermates for 1, 2, and 6 weeks at moderate (4.5 N) and high (9.0 N) peak load magnitudes. We then characterized load-induced cartilage and bone changes by histology, microcomputed tomography, and immunohistochemistry. Prior to loading, cho/+ mice had less dense, thinner cortical bone compared to WT littermates. In addition, in loaded and non-loaded limbs, cho/+ mice had thicker cartilage. With high loads, cho/+ mice experienced less load-induced cartilage damage at all time points and displayed decreased matrix metalloproteinase (MMP)-13 levels compared to WT littermates. The thinner, less dense cortical bone and thicker cartilage were unexpected and may have contributed to the reduced severity of load-induced cartilage damage in cho/+ mice. Furthermore, the spontaneous proteoglycan loss resulting from the mutant collagen XI was not additive to cartilage damage from mechanical loading, suggesting that these risk factors act through independent pathways. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:711-720, 2018.
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Affiliation(s)
| | | | | | | | | | | | - Timothy M. Wright
- Cornell University, Ithaca, NY,Hospital for Special Surgery, New York, NY,Weill Cornell Medical College, New York, NY
| | - Steven R. Goldring
- Hospital for Special Surgery, New York, NY,Weill Cornell Medical College, New York, NY
| | - Mary B. Goldring
- Hospital for Special Surgery, New York, NY,Weill Cornell Medical College, New York, NY
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Vogiatzi MG, Li D, Tian L, Garifallou JP, Kim CE, Hakonarson H, Levine MA. A novel dominant COL11A1 mutation in a child with Stickler syndrome type II is associated with recurrent fractures. Osteoporos Int 2018; 29:247-251. [PMID: 28971234 DOI: 10.1007/s00198-017-4229-3] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/10/2017] [Accepted: 09/14/2017] [Indexed: 10/18/2022]
Abstract
UNLABELLED This case describes a child with blindness, recurrent low-impact fractures, low bone mass, and intermittent joint pain who was found to have a novel missense mutation in COL11A1, consistent with Stickler syndrome type II. The case illustrates the phenotypic variability of the syndrome, which may include increased fragility in childhood. INTRODUCTION Stickler syndrome type II is an autosomal dominant disorder caused by mutations in the gene that encodes the type XI collagen chain α1 (COL11A1). Manifestations include craniofacial dysmorphology and ocular abnormalities that may lead to blindness, hearing loss, and skeletal anomalies that range from joint pain and arthritis to scoliosis and hypermobility. METHODS Herein, we describe a child who carried the presumed diagnosis of osteoporosis-pseudoglioma syndrome because of the combined findings of recurrent low-impact fractures due to low bone mass and blindness. The child also suffered from joint pain but had no facial dysmorphism or hearing loss. RESULTS Targeted sequencing and deletion analysis of the LRP5, COL1A1, and COL1A2 genes failed to identify any mutations, and whole exome sequence analysis revealed a novel missense mutation (c.3032C>A:p.P1011Q) in COL11A1, consistent with Stickler type II. CONCLUSION This case highlights the phenotypic variability of Stickler type II, broadens the list of differential diagnosis of increased bone fragility in childhood, and highlights utility of unbiased genetic testing towards establishing the correct diagnosis in children with frequent fractures.
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Affiliation(s)
- M G Vogiatzi
- Division of Endocrinology and Diabetes, Children's Hospital of Philadelphia, 3401 Civic Center Blvd., Suite 11NW 30, Philadelphia, PA, 19104, USA.
| | - D Li
- Center for Applied Genomics, The Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - L Tian
- Center for Applied Genomics, The Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - J P Garifallou
- Center for Applied Genomics, The Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - C E Kim
- Center for Applied Genomics, The Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - H Hakonarson
- Center for Applied Genomics, The Children's Hospital of Philadelphia, Philadelphia, PA, 19104, USA
| | - M A Levine
- Division of Endocrinology and Diabetes, Children's Hospital of Philadelphia, 3401 Civic Center Blvd., Suite 11NW 30, Philadelphia, PA, 19104, USA
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45
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Holmes DF, Lu Y, Starborg T, Kadler KE. Collagen Fibril Assembly and Function. Curr Top Dev Biol 2018; 130:107-142. [DOI: 10.1016/bs.ctdb.2018.02.004] [Citation(s) in RCA: 62] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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46
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Schneider MC, Barnes CA, Bryant SJ. Characterization of the chondrocyte secretome in photoclickable poly(ethylene glycol) hydrogels. Biotechnol Bioeng 2017; 114:2096-2108. [PMID: 28436002 DOI: 10.1002/bit.26320] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2016] [Revised: 12/28/2016] [Accepted: 04/17/2017] [Indexed: 12/30/2022]
Abstract
Poly(ethylene glycol) (PEG) hydrogels are highly tunable platforms that are promising cell delivery vehicles for chondrocytes and cartilage tissue engineering. In addition to characterizing the type of extracellular matrix (ECM) that forms, understanding the types of proteins that are secreted by encapsulated cells may be important. Thus, the objectives for this study were to characterize the secretome of chondrocytes encapsulated in PEG hydrogels and determine whether the secretome varies as a function of hydrogel stiffness and culture condition. Bovine chondrocytes were encapsulated in photoclickable PEG hydrogels with a compressive modulus of 8 and 46 kPa and cultured under free swelling or dynamic compressive loading conditions. Cartilage ECM deposition was assessed by biochemical assays and immunohistochemistry. The conditioned medium was analyzed by liquid chromatography-tandem mass spectrometry. Chondrocytes maintained their phenotype within the hydrogels and deposited cartilage-specific ECM that increased over time and included aggrecan and collagens II and VI. Analysis of the secretome revealed a total of 64 proteins, which were largely similar among all experimental conditions. The identified proteins have diverse functions such as biological regulation, response to stress, and collagen fibril organization. Notably, many of the proteins important to the assembly of a collagen-rich cartilage ECM were identified and included collagen types II(α1), VI (α1, α2, and α3), IX (α1), XI (α1 and α2), and biglycan. In addition, many of the other identified proteins have been reported to be present within cell-secreted exosomes. In summary, chondrocytes encapsulated within photoclickable PEG hydrogels secrete many types of proteins that diffuse out of the hydrogel and which have diverse functions, but which are largely preserved across different hydrogel culture environments. Biotechnol. Bioeng. 2017;114: 2096-2108. © 2017 Wiley Periodicals, Inc.
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Affiliation(s)
- Margaret C Schneider
- Department of Chemical and Biological Engineering, University of Colorado, 3415 Colorado Ave, Campus Box 596, Boulder 80309, Colorado.,Biofrontiers Institute, University of Colorado, Boulder, Colorado
| | | | - Stephanie J Bryant
- Department of Chemical and Biological Engineering, University of Colorado, 3415 Colorado Ave, Campus Box 596, Boulder 80309, Colorado.,Biofrontiers Institute, University of Colorado, Boulder, Colorado.,Material Science and Engineering Program, University of Colorado, Boulder, Colorado
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47
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Kuzan A, Chwiłkowska A, Pezowicz C, Witkiewicz W, Gamian A, Maksymowicz K, Kobielarz M. The content of collagen type II in human arteries is correlated with the stage of atherosclerosis and calcification foci. Cardiovasc Pathol 2017; 28:21-27. [DOI: 10.1016/j.carpath.2017.02.003] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/28/2016] [Revised: 01/24/2017] [Accepted: 02/08/2017] [Indexed: 10/20/2022] Open
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48
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Luo Y, Sinkeviciute D, He Y, Karsdal M, Henrotin Y, Mobasheri A, Önnerfjord P, Bay-Jensen A. The minor collagens in articular cartilage. Protein Cell 2017; 8:560-572. [PMID: 28213717 PMCID: PMC5546929 DOI: 10.1007/s13238-017-0377-7] [Citation(s) in RCA: 150] [Impact Index Per Article: 21.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Accepted: 01/25/2017] [Indexed: 02/06/2023] Open
Abstract
Articular cartilage is a connective tissue consisting of a specialized extracellular matrix (ECM) that dominates the bulk of its wet and dry weight. Type II collagen and aggrecan are the main ECM proteins in cartilage. However, little attention has been paid to less abundant molecular components, especially minor collagens, including type IV, VI, IX, X, XI, XII, XIII, and XIV, etc. Although accounting for only a small fraction of the mature matrix, these minor collagens not only play essential structural roles in the mechanical properties, organization, and shape of articular cartilage, but also fulfil specific biological functions. Genetic studies of these minor collagens have revealed that they are associated with multiple connective tissue diseases, especially degenerative joint disease. The progressive destruction of cartilage involves the degradation of matrix constituents including these minor collagens. The generation and release of fragmented molecules could generate novel biochemical markers with the capacity to monitor disease progression, facilitate drug development and add to the existing toolbox for in vitro studies, preclinical research and clinical trials.
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Affiliation(s)
- Yunyun Luo
- Biomarkers & Research, Nordic Bioscience A/S, Herlev, Denmark. .,Faculty of Healthy and Medical Sciences, University of Copenhagen, Copenhagen, Denmark.
| | - Dovile Sinkeviciute
- Biomarkers & Research, Nordic Bioscience A/S, Herlev, Denmark.,Department of Clinical Sciences, Medical Faculty, Lund University, Lund, Sweden
| | - Yi He
- Biomarkers & Research, Nordic Bioscience A/S, Herlev, Denmark
| | - Morten Karsdal
- Biomarkers & Research, Nordic Bioscience A/S, Herlev, Denmark
| | - Yves Henrotin
- Bone and Cartilage Research Unit, Institute of Pathology, Level 5, Arthropole Liège, University of Liège, CHU Sart-Tilman, 4000, Liège, Belgium
| | - Ali Mobasheri
- Faculty of Health and Medical Sciences, University of Surrey, Guildford, Surrey, GU2 7XH, UK.,Arthritis Research UK Centre for Sport, Exercise and Osteoarthritis, Arthritis Research UK Centre for Musculoskeletal Ageing Research, Queen's Medical Centre, Nottingham, NG7 2UH, UK
| | - Patrik Önnerfjord
- Department of Clinical Sciences, Medical Faculty, Lund University, Lund, Sweden
| | - Anne Bay-Jensen
- Biomarkers & Research, Nordic Bioscience A/S, Herlev, Denmark
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Woltersdorf C, Bonk M, Leitinger B, Huhtala M, Käpylä J, Heino J, Gil Girol C, Niland S, Eble JA, Bruckner P, Dreier R, Hansen U. The binding capacity of α1β1-, α2β1- and α10β1-integrins depends on non-collagenous surface macromolecules rather than the collagens in cartilage fibrils. Matrix Biol 2017; 63:91-105. [PMID: 28192200 DOI: 10.1016/j.matbio.2017.02.001] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2016] [Revised: 02/03/2017] [Accepted: 02/04/2017] [Indexed: 12/30/2022]
Abstract
Interactions of cells with supramolecular aggregates of the extracellular matrix (ECM) are mediated, in part, by cell surface receptors of the integrin family. These are important molecular components of cell surface-suprastructures regulating cellular activities in general. A subfamily of β1-integrins with von Willebrand-factor A-like domains (I-domains) in their α-chains can bind to collagen molecules and, therefore, are considered as important cellular mechano-receptors. Here we show that chondrocytes strongly bind to cartilage collagens in the form of individual triple helical molecules but very weakly to fibrils formed by the same molecules. We also find that chondrocyte integrins α1β1-, α2β1- and α10β1-integrins and their I-domains have the same characteristics. Nevertheless we find integrin binding to mechanically generated cartilage fibril fragments, which also comprise peripheral non-collagenous material. We conclude that cell adhesion results from binding of integrin-containing adhesion suprastructures to the non-collagenous fibril periphery but not to the collagenous fibril cores. The biological importance of the well-investigated recognition of collagen molecules by integrins is unknown. Possible scenarios may include fibrillogenesis, fibril degradation and/or phagocytosis, recruitment of cells to remodeling sites, or molecular signaling across cytoplasmic membranes. In these circumstances, collagen molecules may lack a fibrillar organization. However, other processes requiring robust biomechanical functions, such as fibril organization in tissues, cell division, adhesion, or migration, do not involve direct integrin-collagen interactions.
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Affiliation(s)
- Christian Woltersdorf
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, D-48149 Münster, Germany
| | - Melanie Bonk
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, D-48149 Münster, Germany
| | - Birgit Leitinger
- National Heart and Lung Institute, Imperial College London, London SW7 2AZ, UK
| | - Mikko Huhtala
- University of Turku, Department of Biochemistry, FI-20014 Turun Yliopisto, Finland
| | - Jarmo Käpylä
- University of Turku, Department of Biochemistry, FI-20014 Turun Yliopisto, Finland
| | - Jyrki Heino
- University of Turku, Department of Biochemistry, FI-20014 Turun Yliopisto, Finland
| | - Christian Gil Girol
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, D-48149 Münster, Germany
| | - Stephan Niland
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, D-48149 Münster, Germany
| | - Johannes A Eble
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, D-48149 Münster, Germany
| | - Peter Bruckner
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, D-48149 Münster, Germany.
| | - Rita Dreier
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, D-48149 Münster, Germany
| | - Uwe Hansen
- Institute of Physiological Chemistry and Pathobiochemistry, University of Münster, D-48149 Münster, Germany; Institute of Experimental Musculoskeletal Medicine (IEMM), University of Münster, DE-48149 Münster, Germany
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Abstract
Fibrillar collagens (types I, II, III, V, XI, XXIV and XXVII) constitute a sub-group within the collagen family (of which there are 28 types in humans) whose functions are to provide three-dimensional frameworks for tissues and organs. These networks confer mechanical strength as well as signalling and organizing functions through binding to cellular receptors and other components of the extracellular matrix (ECM). Here we describe the structure and assembly of fibrillar collagens, and their procollagen precursors, from the molecular to the tissue level. We show how the structure of the collagen triple-helix is influenced by the amino acid sequence, hydrogen bonding and post-translational modifications, such as prolyl 4-hydroxylation. The numerous steps in the biosynthesis of the fibrillar collagens are reviewed with particular attention to the role of prolyl 3-hydroxylation, collagen chaperones, trimerization of procollagen chains and proteolytic maturation. The multiple steps controlling fibril assembly are then discussed with a focus on the cellular control of this process in vivo. Our current understanding of the molecular packing in collagen fibrils, from different tissues, is then summarized on the basis of data from X-ray diffraction and electron microscopy. These results provide structural insights into how collagen fibrils interact with cell receptors, other fibrillar and non-fibrillar collagens and other ECM components, as well as enzymes involved in cross-linking and degradation.
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Affiliation(s)
- Jordi Bella
- Faculty of Life Sciences, University of Manchester, Oxford Road, Manchester, M13 9PT, UK.
| | - David J S Hulmes
- Tissue Biology and Therapeutic Engineering Unit (UMR5305), CNRS/Université Claude Bernard Lyon 1, Lyon, France
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