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Nan H, Gou Y, Bao C, Zhou H, Qian H, Zan X, Li L, Xue E. Presenting dual-functional peptides on implant surface to direct in vitro osteogenesis and in vivo osteointegration. Mater Today Bio 2024; 27:101108. [PMID: 38948091 PMCID: PMC11214188 DOI: 10.1016/j.mtbio.2024.101108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2024] [Revised: 05/18/2024] [Accepted: 05/31/2024] [Indexed: 07/02/2024] Open
Abstract
The complex biological process of osseointegration and the bio-inertness of bone implants are the major reasons for the high failure rate of long-term implants, and have also promoted the rapid development of multifunctional implant coatings in recent years. Herein, through the special design of peptides, we use layer-by-layer assembly technology to simultaneously display two peptides with different biological functions on the implant surface to address this issue. A variety of surface characterization techniques (ellipsometry, atomic force microscopy, photoelectron spectroscopy, dissipation-quartz crystal microbalance) were used to study in detail the preparation process of the dual peptide functional coating and the physical and chemical properties, such as the composition, mechanical modulus, stability, and roughness of the coating. Compared with single peptide functional coatings, dual-peptide functionalized coatings had much better performances on antioxidant, cellular adhesion in early stage, proliferation and osteogenic differentiation in long term, as well as in vivo osteogenesis and osseointegration capabilities. These findings will promote the development of multifunctional designs in bone implant coatings, as a coping strategy for the complexity of biological process during osteointegration.
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Affiliation(s)
- Hui Nan
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
- Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China
| | - Yong Gou
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
- Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China
| | - Chunkai Bao
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
- Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China
| | - Hangjin Zhou
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
- Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China
| | - Haoran Qian
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
- Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China
| | - Xingjie Zan
- Wenzhou Institute, University of Chinese Academy of Sciences, Wenzhou, Zhejiang, 325001, China
| | - Lianxin Li
- Department of Orthopaedics Surgery, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, Shandong, 250021, China
| | - Enxing Xue
- Department of Orthopedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou, Zhejiang Province, China
- The Second School of Medicine, Wenzhou Medical University, Wenzhou, Zhejiang Province, China
- Key Laboratory of Orthopedics of Zhejiang Province, Wenzhou, Zhejiang Province, China
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2
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Xiao X, Zhang M, Qian Y, Wang X, Wu Q. KLF9 regulates osteogenic differentiation of mesenchymal stem cells. J Mol Histol 2024:10.1007/s10735-024-10204-6. [PMID: 38801643 DOI: 10.1007/s10735-024-10204-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2023] [Accepted: 05/16/2024] [Indexed: 05/29/2024]
Abstract
Osteoporosis is a progressive skeletal disease which is characterized by reduced bone mass and degradation of bone microstructure. Mesenchymal stem cells (MSCs) have the potential to inhibit osteoporosis since they are multipotent stem cells that can differentiate into multiple types of cells including osteoblasts. Hence the mechanism of osteogenic differentiation of MSCs deserves comprehensive study. Here we report that KLF9 is a novel regulator in osteogenic differentiation of MSCs. We observed that depletion of KLF9 can largely compromise the osteogenic differentiation ability of MSCs. In addition, we revealed that inhibition of the PI3K-Akt pathway could also affect osteogenic differentiation since KLF9 depletion inhibits PI3K expression. Finally, we discovered that KLF9 expression can be induced by dexamethasone which is an essential component in osteogenic induction medium. Taken together, our study provides new insights into the regulatory role of KLF9 in osteogenic differentiation of MSCs.
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Affiliation(s)
- Xiaoxiao Xiao
- The State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
- Faculty of Chinese Medicine, Hunan Traditional Chinese Medical College, Zhuzhou, China
| | - Ming Zhang
- The State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
- Department of Respiratory and Critical Care Medicine, Affiliated Hospital of Southwest Medical University, Luzhou, China
| | - Yiwei Qian
- The State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Xuepeng Wang
- The State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China
| | - Qiang Wu
- The State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Macau, China.
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Li Q, Liang W, Wu H, Li J, Wang G, Zhen Y, An Y. Challenges in Application: Gelation Strategies of DAT-Based Hydrogel Scaffolds. TISSUE ENGINEERING. PART B, REVIEWS 2024. [PMID: 38666688 DOI: 10.1089/ten.teb.2023.0357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2024]
Abstract
Decellularized adipose tissue (DAT) has great clinical applicability, owing to its abundant source material, natural extracellular matrix microenvironment, and nonimmunogenic attributes, rendering it a versatile resource in the realm of tissue engineering. However, practical implementations are confronted with multifarious limitations. Among these, the selection of an appropriate gelation strategy serves as the foundation for adapting to diverse clinical contexts. The cross-linking strategies under varying physical or chemical conditions exert profound influences on the ultimate morphology and therapeutic efficacy of DAT. This review sums up the processes of DAT decellularization and subsequent gelation, with a specific emphasis on the diverse gelation strategies employed in recent experimental applications of DAT. The review expounds upon methodologies, underlying principles, and clinical implications of different gelation strategies, aiming to offer insights and inspiration for the application of DAT in tissue engineering and advance research for tissue engineering scaffold development.
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Affiliation(s)
- Qiaoyu Li
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, China
| | - Wei Liang
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, China
| | - Huiting Wu
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, China
| | - Jingming Li
- Department of Materials Physics and Chemistry, School of Materials Science and Engineering, University of Science and Technology Beijing, Beijing, China
| | - Guanhuier Wang
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, China
| | - Yonghuan Zhen
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, China
| | - Yang An
- Department of Plastic Surgery, Peking University Third Hospital, Beijing, China
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4
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Lanzillotti C, Iaquinta MR, De Pace R, Mosaico M, Patergnani S, Giorgi C, Tavoni M, Dapporto M, Sprio S, Tampieri A, Montesi M, Martini F, Mazzoni E. Osteosarcoma cell death induced by innovative scaffolds doped with chemotherapeutics. J Cell Physiol 2024; 239:e31256. [PMID: 38591855 DOI: 10.1002/jcp.31256] [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: 08/21/2023] [Revised: 03/04/2024] [Accepted: 03/07/2024] [Indexed: 04/10/2024]
Abstract
Osteosarcoma (OS) cancer treatments include systemic chemotherapy and surgical resection. In the last years, novel treatment approaches have been proposed, which employ a drug-delivery system to prevent offside effects and improves treatment efficacy. Locally delivering anticancer compounds improves on high local concentrations with more efficient tumour-killing effect, reduced drugs resistance and confined systemic effects. Here, the synthesis of injectable strontium-doped calcium phosphate (SrCPC) scaffold was proposed as drug delivery system to combine bone tissue regeneration and anticancer treatment by controlled release of methotrexate (MTX) and doxorubicin (DOX), coded as SrCPC-MTX and SrCPC-DOX, respectively. The drug-loaded cements were tested in an in vitro model of human OS cell line SAOS-2, engineered OS cell line (SAOS-2-eGFP) and U2-OS. The ability of doped scaffolds to induce OS cell death and apoptosis was assessed analysing cell proliferation and Caspase-3/7 activities, respectively. To determine if OS cells grown on doped-scaffolds change their migratory ability and invasiveness, a wound-healing assay was performed. In addition, the osteogenic potential of SrCPC material was evaluated using human adipose derived-mesenchymal stem cells. Osteogenic markers such as (i) the mineral matrix deposition was analysed by alizarin red staining; (ii) the osteocalcin (OCN) protein expression was investigated by enzyme-linked immunosorbent assay test, and (iii) the osteogenic process was studied by real-time polymerase chain reaction array. The delivery system induced cell-killing cytotoxic effects and apoptosis in OS cell lines up to Day 7. SrCPC demonstrates a good cytocompatibility and it induced upregulation of osteogenic genes involved in the skeletal development pathway, together with OCN protein expression and mineral matrix deposition. The proposed approach, based on the local, sustained release of anticancer drugs from nanostructured biomimetic drug-loaded cements is promising for future therapies aiming to combine bone regeneration and anticancer local therapy.
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Affiliation(s)
- Carmen Lanzillotti
- Laboratories of Cell Biology and Molecular Genetics, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Maria Rosa Iaquinta
- Laboratories of Cell Biology and Molecular Genetics, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Raffaella De Pace
- Laboratories of Cell Biology and Molecular Genetics, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Maria Mosaico
- Laboratories of Cell Biology and Molecular Genetics, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Simone Patergnani
- Laboratories of Cell Signalling, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Carlotta Giorgi
- Laboratories of Cell Signalling, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
| | - Marta Tavoni
- Institute of Science, Technology and Sustainability for Ceramics, National Research Council of Italy (ISSMC-CNR, former ISTEC-CNR), Faenza, Italy
| | - Massimiliano Dapporto
- Institute of Science, Technology and Sustainability for Ceramics, National Research Council of Italy (ISSMC-CNR, former ISTEC-CNR), Faenza, Italy
| | - Simone Sprio
- Institute of Science, Technology and Sustainability for Ceramics, National Research Council of Italy (ISSMC-CNR, former ISTEC-CNR), Faenza, Italy
| | - Anna Tampieri
- Institute of Science, Technology and Sustainability for Ceramics, National Research Council of Italy (ISSMC-CNR, former ISTEC-CNR), Faenza, Italy
| | - Monica Montesi
- Institute of Science, Technology and Sustainability for Ceramics, National Research Council of Italy (ISSMC-CNR, former ISTEC-CNR), Faenza, Italy
| | - Fernanda Martini
- Laboratories of Cell Biology and Molecular Genetics, Department of Medical Sciences, University of Ferrara, Ferrara, Italy
- Laboratory for Technologies of Advanced Therapies (LTTA), University of Ferrara, Ferrara, Italy
| | - Elisa Mazzoni
- Department of Chemical, Pharmaceutical and Agricultural Sciences, University of Ferrara, Ferrara, Italy
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Vettese J, Manon J, Chretien A, Evrard R, Fievé L, Schubert T, Lengelé BG, Behets C, Cornu O. Collagen molecular organization preservation in human fascia lata and periosteum after tissue engineering. Front Bioeng Biotechnol 2024; 12:1275709. [PMID: 38633664 PMCID: PMC11021576 DOI: 10.3389/fbioe.2024.1275709] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Accepted: 03/08/2024] [Indexed: 04/19/2024] Open
Abstract
Large bone defect regeneration remains a major challenge for orthopedic surgeons. Tissue engineering approaches are therefore emerging in order to overcome this limitation. However, these processes can alter some of essential native tissue properties such as intermolecular crosslinks of collagen triple helices, which are known for their essential role in tissue structure and function. We assessed the persistence of extracellular matrix (ECM) properties in human fascia lata (HFL) and periosteum (HP) after tissue engineering processes such as decellularization and sterilization. Harvested from cadaveric donors (N = 3), samples from each HFL and HP were decellularized following five different chemical protocols with and without detergents (D1-D4 and D5, respectively). D1 to D4 consisted of different combinations of Triton, Sodium dodecyl sulfate and Deoxyribonuclease, while D5 is routinely used in the institutional tissue bank. Decellularized HFL tissues were further gamma-irradiated (minimum 25 kGy) in order to study the impact of sterilization on the ECM. Polarized light microscopy (PLM) was used to estimate the thickness and density of collagen fibers. Tissue hydration and content of hydroxyproline, enzymatic crosslinks, and non-enzymatic crosslinks (pentosidine) were semi-quantified with Raman spectroscopy. ELISA was also used to analyze the maintenance of the decorin (DCN), an important small leucine rich proteoglycan for fibrillogenesis. Among the decellularization protocols, detergent-free treatments tended to further disorganize HFL samples, as more thin fibers (+53.7%) and less thick ones (-32.6%) were recorded, as well as less collagen enzymatic crosslinks (-25.2%, p = 0.19) and a significant decrease of DCN (p = 0.036). GAG content was significantly reduced in both tissue types after all decellularization protocols. On the other hand, HP samples were more sensitive to the D1 detergent-based treatments, with more disrupted collagen organization and greater, though not significant loss of enzymatic crosslinks (-37.4%, p = 0.137). Irradiation of D5 HFL samples, led to a further and significant loss in the content of enzymatic crosslinks (-29.4%, p = 0.037) than what was observed with the decellularization process. Overall, the results suggest that the decellularization processes did not significantly alter the matrix. However, the addition of a gamma-irradiation is deleterious to the collagen structural integrity of the tissue.
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Affiliation(s)
- Julia Vettese
- Neuromusculoskeletal Lab (NMSK), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, Brussels, Belgium
- Morphology Lab (MORF), IREC, UCLouvain, Brussels, Belgium
| | - Julie Manon
- Neuromusculoskeletal Lab (NMSK), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, Brussels, Belgium
- Morphology Lab (MORF), IREC, UCLouvain, Brussels, Belgium
| | | | - Robin Evrard
- Neuromusculoskeletal Lab (NMSK), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, Brussels, Belgium
| | - Lies Fievé
- Morphology Lab (MORF), IREC, UCLouvain, Brussels, Belgium
| | - Thomas Schubert
- Neuromusculoskeletal Lab (NMSK), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, Brussels, Belgium
- Centre de Thérapie Cellulaire et Tissulaire Locomoteur, Cliniques Universitaires Saint-Luc, Brussels, Belgium
- Department of Orthopaedic and Trauma Surgery, Cliniques Universitaires Saint-Luc, Brussels, Belgium
| | - Benoît G. Lengelé
- Morphology Lab (MORF), IREC, UCLouvain, Brussels, Belgium
- Department of Plastic and Reconstructive Surgery, Cliniques Universitaires Saint-Luc, UCLouvain, Brussels, Belgium
| | | | - Olivier Cornu
- Neuromusculoskeletal Lab (NMSK), Institut de Recherche Expérimentale et Clinique (IREC), UCLouvain, Brussels, Belgium
- Centre de Thérapie Cellulaire et Tissulaire Locomoteur, Cliniques Universitaires Saint-Luc, Brussels, Belgium
- Department of Orthopaedic and Trauma Surgery, Cliniques Universitaires Saint-Luc, Brussels, Belgium
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6
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Yoshii I, Sawada N, Chijiwa T. Prognostic nutritional index as an indicator for the development of bone fragility fracture in patients with rheumatoid arthritis. Mod Rheumatol 2024; 34:493-499. [PMID: 37338283 DOI: 10.1093/mr/road058] [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: 03/15/2023] [Revised: 05/03/2023] [Accepted: 06/08/2023] [Indexed: 06/21/2023]
Abstract
OBJECTIVES The validity of prognostic nutritional index (PNI) as an index of incident bone fragility fracture (inc-BFF) in rheumatoid arthritis (RA) patients was investigated. METHODS RA patients whom continuously followed up for >3 years were picked up. Patients were classified in accordance with inc-BFF positivity (BFF+ and BFF-). Their clinical background including PNI was statistically examined for inc-BFF. The background factors were compared between the two groups. Patients were narrowed into subgroups according to the factor that showed a significant difference between the two groups, and they were statistically examined according to the PNI for the inc-BFF. The two groups were narrowed with propensity score matching and compared to the PNI. RESULTS A total of 278 patients with 44 BFF+ and 234 BFF- were recruited. In the background factors, the presence of prevalent BFF and the simplified disease activity index remission rate had a significantly higher risk ratio. In a subgroup who comorbid lifestyle-related diseases, PNI had a significantly higher risk ratio for the inc-BFF. After the propensity score matching, the PNI showed no significant difference between the two groups. CONCLUSIONS PNI is available when patients with RA comorbid lifestyle-related diseases. PNI is not an independent key for the inc-BFF in RA patients.
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Affiliation(s)
- Ichiro Yoshii
- Department of Musculoskeletal Medicine, Yoshii Hospital, Kochi, Japan
| | - Naoya Sawada
- Department of Rheumatology, Dohgo Onsen Hospital Rheumatology Center, Ehime, Japan
| | - Tatsumi Chijiwa
- Department of Rheumatology, Kochi Memorial Hospital, Kochi, Japan
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Morimoto T, Hirata H, Sugita K, Paholpak P, Kobayashi T, Tanaka T, Kato K, Tsukamoto M, Umeki S, Toda Y, Mawatari M. A view on the skin-bone axis: unraveling similarities and potential of crosstalk. Front Med (Lausanne) 2024; 11:1360483. [PMID: 38500951 PMCID: PMC10944977 DOI: 10.3389/fmed.2024.1360483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Accepted: 02/12/2024] [Indexed: 03/20/2024] Open
Abstract
The phrase "skin as a mirror of internal medicine," which means that the skin reflects many of the diseases of the internal organs, is a well-known notion. Despite the phenotypic differences between the soft skin and hard bone, the skin and bone are highly associated. Skin and bone consist of fibroblasts and osteoblasts, respectively, which secrete collagen and are involved in synthesis, while Langerhans cells and osteoclasts control turnover. Moreover, the quality and quantity of collagen in the skin and bone may be modified by aging, inflammation, estrogen, diabetes, and glucocorticoids. Skin and bone collagen are pathologically modified by aging, drugs, and metabolic diseases, such as diabetes. The structural similarities between the skin and bone and the crosstalk controlling their mutual pathological effects have led to the advocacy of the skin-bone axis. Thus, the skin may mirror the health of the bones and conversely, the condition of the skin may be reflected in the bones. From the perspective of the skin-bone axis, the similarities between skin and bone anatomy, function, and pathology, as well as the crosstalk between the two, are discussed in this review. A thorough elucidation of the pathways governing the skin-bone axis crosstalk would enhance our understanding of disease pathophysiology, facilitating the development of new diagnostics and therapies for skin collagen-induced bone disease and of new osteoporosis diagnostics and therapies that enhance skin collagen to increase bone quality and density.
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Affiliation(s)
- Tadatsugu Morimoto
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Hirohito Hirata
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Kazunari Sugita
- Division of Dermatology, Department of Internal Medicine, Faculty of Medicine, Saga University, Saga, Japan
| | - Permsak Paholpak
- Department of Orthopedics, Faculty of Medicine, Khon Kaen University, Khon Kaen, Thailand
| | - Takaomi Kobayashi
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Tatsuya Tanaka
- Department of Neurosurgery, International University of Health and Welfare Narita Hospital, Chiba, Japan
| | - Kinshi Kato
- Department of Orthopaedic Surgery, Fukushima Medical University, Fukushima, Japan
| | - Masatsugu Tsukamoto
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Shun Umeki
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Yu Toda
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
| | - Masaaki Mawatari
- Department of Orthopaedic Surgery, Faculty of Medicine, Saga University, Saga, Japan
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8
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Schurman CA, Kaya S, Dole N, Luna NMM, Castillo N, Potter R, Rose JP, Bons J, King CD, Burton JB, Schilling B, Melov S, Tang S, Schaible E, Alliston T. Aging impairs the osteocytic regulation of collagen integrity and bone quality. Bone Res 2024; 12:13. [PMID: 38409111 PMCID: PMC10897167 DOI: 10.1038/s41413-023-00303-7] [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: 05/22/2023] [Revised: 10/31/2023] [Accepted: 11/13/2023] [Indexed: 02/28/2024] Open
Abstract
Poor bone quality is a major factor in skeletal fragility in elderly individuals. The molecular mechanisms that establish and maintain bone quality, independent of bone mass, are unknown but are thought to be primarily determined by osteocytes. We hypothesize that the age-related decline in bone quality results from the suppression of osteocyte perilacunar/canalicular remodeling (PLR), which maintains bone material properties. We examined bones from young and aged mice with osteocyte-intrinsic repression of TGFβ signaling (TβRIIocy-/-) that suppresses PLR. The control aged bone displayed decreased TGFβ signaling and PLR, but aging did not worsen the existing PLR suppression in male TβRIIocy-/- bone. This relationship impacted the behavior of collagen material at the nanoscale and tissue scale in macromechanical tests. The effects of age on bone mass, density, and mineral material behavior were independent of osteocytic TGFβ. We determined that the decline in bone quality with age arises from the loss of osteocyte function and the loss of TGFβ-dependent maintenance of collagen integrity.
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Affiliation(s)
- Charles A Schurman
- Department of Orthopaedic Surgery, University of California, San Francisco, CA, 94143, USA
- UC Berkeley/UCSF Graduate Program in Bioengineering, San Francisco, CA, 94143, USA
- Buck Institute for Research on Aging, Novato, CA, 94945, USA
| | - Serra Kaya
- Department of Orthopaedic Surgery, University of California, San Francisco, CA, 94143, USA
| | - Neha Dole
- Department of Orthopaedic Surgery, University of California, San Francisco, CA, 94143, USA
| | - Nadja M Maldonado Luna
- Department of Orthopaedic Surgery, University of California, San Francisco, CA, 94143, USA
- UC Berkeley/UCSF Graduate Program in Bioengineering, San Francisco, CA, 94143, USA
| | - Natalia Castillo
- Department of Orthopaedic Surgery, University of California, San Francisco, CA, 94143, USA
| | - Ryan Potter
- Washington University in St Louis, Department of Orthopedics, St. Louis, MO, 63130, USA
| | - Jacob P Rose
- Buck Institute for Research on Aging, Novato, CA, 94945, USA
| | - Joanna Bons
- Buck Institute for Research on Aging, Novato, CA, 94945, USA
| | | | - Jordan B Burton
- Buck Institute for Research on Aging, Novato, CA, 94945, USA
| | | | - Simon Melov
- Buck Institute for Research on Aging, Novato, CA, 94945, USA
| | - Simon Tang
- Washington University in St Louis, Department of Orthopedics, St. Louis, MO, 63130, USA
| | - Eric Schaible
- Advanced Light Source, Lawrence Berkeley National Laboratory, Berkeley, CA, 94720, USA
| | - Tamara Alliston
- Department of Orthopaedic Surgery, University of California, San Francisco, CA, 94143, USA.
- UC Berkeley/UCSF Graduate Program in Bioengineering, San Francisco, CA, 94143, USA.
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9
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Tsukamoto M, Nabeshima T, Wang KY, Mano Y, Arakawa D, Okada Y, Yamanaka Y, Okimoto N, Sakai A. The impact of chronic obstructive pulmonary disease on bone strength. J Bone Miner Metab 2024:10.1007/s00774-024-01496-5. [PMID: 38326630 DOI: 10.1007/s00774-024-01496-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 12/21/2023] [Indexed: 02/09/2024]
Abstract
Chronic obstructive pulmonary disease (COPD) is a lifestyle-related disease that develops in middle-aged and older adults, often due to smoking habits, and has been noted to cause bone fragility. COPD is a risk factor for osteoporosis and fragility fracture, and a high prevalence of osteoporosis and incidence of vertebral fractures have been shown in patients with COPD. Findings of lung tissue analysis in patients with COPD are primarily emphysema with a loss of alveolar septal walls, and the severity of pulmonary emphysema is negatively correlated with thoracic spine bone mineral density (BMD). On the other hand, epidemiological studies on COPD and fracture risk have reported a BMD-independent increase in fracture risk; however, verification in animal models and human bone biopsy samples has been slow, and the essential pathogenesis has not been elucidated. The detailed pathological/molecular mechanisms of musculoskeletal complications in patients with COPD are unknown, and basic research is needed to elucidate the mechanisms. This paper discusses the impacts of COPD on bone strength, focusing on findings in animal models in terms of bone microstructure, bone metabolic dynamics, and material properties.
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Affiliation(s)
- Manabu Tsukamoto
- Department of Orthopaedic Surgery, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-Ku, Kitakyushu, 807-8555, Japan.
| | - Takayuki Nabeshima
- Department of Orthopaedic Surgery, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-Ku, Kitakyushu, 807-8555, Japan
| | - Ke-Yong Wang
- Shared-Use Research Center, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-Ku, Kitakyushu, 807-8555, Japan
| | - Yosuke Mano
- Department of Orthopaedic Surgery, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-Ku, Kitakyushu, 807-8555, Japan
| | - Daisuke Arakawa
- Department of Orthopaedic Surgery, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-Ku, Kitakyushu, 807-8555, Japan
| | - Yasuaki Okada
- Department of Orthopaedic Surgery, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-Ku, Kitakyushu, 807-8555, Japan
| | - Yoshiaki Yamanaka
- Department of Orthopaedic Surgery, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-Ku, Kitakyushu, 807-8555, Japan
| | - Nobukazu Okimoto
- Okimoto Clinic, 185-4 Kubi, Yutaka-Machi, Kure, Hiroshima, 734-0304, Japan
| | - Akinori Sakai
- Department of Orthopaedic Surgery, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-Ku, Kitakyushu, 807-8555, Japan
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10
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Saeki C, Saito M, Tsubota A. Association of chronic liver disease with bone diseases and muscle weakness. J Bone Miner Metab 2024:10.1007/s00774-023-01488-x. [PMID: 38302761 DOI: 10.1007/s00774-023-01488-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2023] [Accepted: 11/16/2023] [Indexed: 02/03/2024]
Abstract
The liver is a vital organ involved in nutrient metabolism, hormone regulation, immunity, cytokine production, and gut homeostasis. Impairment in liver function can result in malnutrition, chronic inflammation, decreased anabolic hormone levels, and dysbiosis. These conditions eventually cause an imbalance in osteoblast and osteoclast activities, resulting in bone loss. Osteoporosis is a frequent complication of chronic liver disease (CLD) that adversely affects quality of life and increases early mortality. Sarcopenia is another common complication of CLD characterized by progressive loss of skeletal muscle mass and function. Assessment criteria for sarcopenia specific to liver disease have been established, and sarcopenia has been reported to be associated with an increase in the risk of liver disease-related events and mortality in patients with CLD. Owing to their similar risk factors and underlying pathophysiological mechanisms, osteoporosis and sarcopenia often coexist (termed osteosarcopenia), progress in parallel, and further exacerbate the conditions mentioned above. Therefore, comprehensive management of these musculoskeletal disorders is imperative. This review summarizes the clinical implications and characteristics of osteoporosis, extending to sarcopenia and osteosarcopenia, in patients with CLD caused by different etiologies.
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Affiliation(s)
- Chisato Saeki
- Division of Gastroenterology and Hepatology, Department of Internal Medicine, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Mitsuru Saito
- Department of Orthopedic Surgery, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo, 105-8461, Japan
| | - Akihito Tsubota
- Project Research Units, Research Center for Medical Science, The Jikei University School of Medicine, 3-25-8 Nishi-Shimbashi, Minato-ku, Tokyo, 105-8461, Japan.
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11
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Coll JC, Turcotte AF, Leslie WD, Michou L, Weisnagel SJ, Mac-Way F, Albert C, Berger C, Morin SN, Rabasa-Lhoret R, Gagnon C. Advanced glycation end products are not associated with bone mineral density, trabecular bone score, and bone turnover markers in adults with and without type 1 diabetes: a cross-sectional study. JBMR Plus 2024; 8:ziad018. [PMID: 38505219 PMCID: PMC10945729 DOI: 10.1093/jbmrpl/ziad018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 11/18/2023] [Accepted: 12/12/2023] [Indexed: 03/21/2024] Open
Abstract
It is unclear if AGEs are involved in the bone fragility of type 1 diabetes (T1D). We evaluated whether skin AGEs by skin autofluorescence and serum AGEs (pentosidine, carboxymethyl-lysine [CML]) are independently associated with BMD by DXA (lumbar spine, hip, distal radius), trabecular bone score (TBS), serum bone turnover markers (BTMs: CTX; P1NP; osteocalcin), and sclerostin in participants with and without T1D. Linear regression models were used, with interaction terms to test effect modification by T1D status. In participants with T1D, correlations between skin and serum AGEs as well as between AGEs and 3-year HbA1C were evaluated using Spearman's correlations. Data are mean ± SD or median (interquartile range). We included individuals who participated in a cross-sectional study and had BMD and TBS assessment (106 T1D/65 controls, 53.2% women, age 43 ± 15 yr, BMI 26.6 ± 5.5 kg/m2). Participants with T1D had diabetes for 27.6 ± 12.3 yr, a mean 3-yr HbA1C of 7.5 ± 0.9% and skin AGEs of 2.15 ± 0.54 arbitrary units. A subgroup of 65 T1D/57 controls had BTMs and sclerostin measurements, and those with T1D also had serum pentosidine (16.8[8.2-32.0] ng/mL) and CML [48.0 ± 16.8] ng/mL) measured. Femoral neck BMD, TBS, and BTMs were lower, while sclerostin levels were similar in participants with T1D vs controls. T1D status did not modify the associations between AGEs and bone outcomes. Skin AGEs were significantly associated with total hip and femoral neck BMD, TBS, BTMs, and sclerostin before, but not after, adjustment for confounders. Serum AGEs were not associated with any bone outcome. There were no significant correlations between skin and serum AGEs or between AGEs and 3-yr HbA1C. In conclusion, skin and serum AGEs are not independently associated with BMD, TBS, BTMs, and sclerostin in participants with relatively well-controlled T1D and participants without diabetes.
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Affiliation(s)
- Julie-Catherine Coll
- Centre de recherche, CHU de Québec-Université Laval, Quebec City, QC G1V 4G2, Canada
| | | | - William D Leslie
- Department of Medicine, University of Manitoba, Winnipeg, MB R3T 2N2, Canada
| | - Laëtitia Michou
- Centre de recherche, CHU de Québec-Université Laval, Quebec City, QC G1V 4G2, Canada
- Department of Medicine, Université Laval, Quebec City, QC G1V 0A6, Canada
| | - Stanley John Weisnagel
- Centre de recherche, CHU de Québec-Université Laval, Quebec City, QC G1V 4G2, Canada
- Department of Medicine, Université Laval, Quebec City, QC G1V 0A6, Canada
| | - Fabrice Mac-Way
- Centre de recherche, CHU de Québec-Université Laval, Quebec City, QC G1V 4G2, Canada
- Department of Medicine, Université Laval, Quebec City, QC G1V 0A6, Canada
| | - Caroline Albert
- Centre Hospitalier de l’Université de Montréal, Montreal, QC H2X 3E4, Canada
| | - Claudie Berger
- Research Institute of the McGill University Health Centre, Montreal, QC H4A 3J1, Canada
| | - Suzanne N Morin
- Research Institute of the McGill University Health Centre, Montreal, QC H4A 3J1, Canada
- Department of Medicine, McGill University, Montreal, QC H4A 3J1, Canada
| | - Rémi Rabasa-Lhoret
- Institut de recherches cliniques de Montréal, Montreal, QC H2W 1R7, Canada
| | - Claudia Gagnon
- Centre de recherche, CHU de Québec-Université Laval, Quebec City, QC G1V 4G2, Canada
- Department of Medicine, Université Laval, Quebec City, QC G1V 0A6, Canada
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12
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Yu YL, Huang QF, An DW, Raad J, Martens DS, Latosinska A, Stolarz-Skrzypek K, Van Cleemput J, Feng YQ, Mischak H, Allegaert K, Verhamme P, Janssens S, Nawrot TS, Staessen JA. OSTEO18, a novel urinary proteomic signature, associated with osteoporosis in heart transplant recipients. Heliyon 2024; 10:e24867. [PMID: 38312576 PMCID: PMC10835361 DOI: 10.1016/j.heliyon.2024.e24867] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 01/12/2024] [Accepted: 01/16/2024] [Indexed: 02/06/2024] Open
Abstract
Background Immunosuppressive treatment in heart transplant (HTx) recipient causes osteoporosis. The urinary proteomic profile (UPP) includes peptide fragments derived from the bone extracellular matrix. Study aims were to develop and validate a multidimensional UPP biomarker for osteoporosis in HTx patients from single sequenced urinary peptides identifying the parent proteins. Methods A single-center HTx cohort was analyzed. Urine samples were measured by capillary electrophoresis coupled with mass spectrometry. Cases with osteoporosis and matching controls were randomly selected from all available 389 patients. In derivation case-control dataset, 1576 sequenced peptides detectable in ≥30 % of patients. Applying statistical analysis on these, an 18-peptide multidimensional osteoporosis UPP biomarker (OSTEO18) was generated by support vector modeling. The 2 replication datasets included 118 and 94 patients. For further validation, the whole cohort was analyzed. Statistical methods included logistic regression and receiver operating characteristic curve (ROC) analysis. Results In derivation dataset, the AUC, sensitivity and specificity of OSTEO18 were 0.83 (95 % CI: 0.76-0.90), 74.3 % and 87.1 %, respectively. In replication datasets, results were confirmatory. In the whole cohort (154 osteoporotic patients [39.6 %]), the ORs for osteoporosis increased (p < 0.0001) across OSTEO18 quartiles from 0.39 (95 % CI: 0.25-0.61) to 3.14 (2.08-4.75). With full adjustment for known osteoporosis risk factors, OSTEO18 improved AUC from 0.708 to 0.786 (p = 0.0003) for OSTEO18 categorized (optimized threshold: 0.095) and to 0.784 (p = 0.0004) for OSTEO18 as continuously distributed classifier. Conclusion OSTEO18 is a clinically meaningful novel biomarker indicative of osteoporosis in HTx recipients and is being certified as in-vitro diagnostic.
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Affiliation(s)
- Yu-Ling Yu
- The Research Unit Environment and Health, KU Leuven Department of Public Health and Primary Care, University of Leuven, Leuven, Belgium
- Non-Profit Research Association Alliance for the Promotion of Preventive Medicine, Mechelen, Belgium
| | - Qi-Fang Huang
- Department of Cardiovascular Medicine, Shanghai Key Laboratory of Hypertension, Shanghai Institute of Hypertension, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - De-Wei An
- The Research Unit Environment and Health, KU Leuven Department of Public Health and Primary Care, University of Leuven, Leuven, Belgium
- Non-Profit Research Association Alliance for the Promotion of Preventive Medicine, Mechelen, Belgium
- Department of Cardiovascular Medicine, Shanghai Key Laboratory of Hypertension, Shanghai Institute of Hypertension, State Key Laboratory of Medical Genomics, National Research Center for Translational Medicine, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China
| | - Julia Raad
- Mosaiques Diagnostics GmbH, Hannover, Germany
| | - Dries S. Martens
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium
| | | | - Katarzyna Stolarz-Skrzypek
- First Department of Cardiology, Interventional Electrocardiology and Hypertension, Jagiellonian University, Kraków, Poland
| | | | - Ying-Qing Feng
- Department of Cardiology, Guangdong Cardiovascular Institute, Guangdong Provincial People's Hospital, Guangdong Academy of Medical Sciences, Guangzhou, China
| | | | - Karel Allegaert
- Department of Pharmaceutical and Pharmacological Sciences, KU Leuven, Leuven, Belgium
- KU Leuven Department of Development and Regeneration, KU Leuven, Leuven, Belgium
- Department of Hospital Pharmacy, Erasmus Medical Center, Rotterdam, the Netherlands
| | - Peter Verhamme
- Center for Molecular and Vascular Biology, KU Leuven Department of Cardiovascular Sciences, University of Leuven, Leuven, Belgium
| | - Stefan Janssens
- Division of Cardiology, University Hospitals Leuven, Leuven, Belgium
| | - Tim S. Nawrot
- The Research Unit Environment and Health, KU Leuven Department of Public Health and Primary Care, University of Leuven, Leuven, Belgium
- Centre for Environmental Sciences, Hasselt University, Hasselt, Belgium
| | - Jan A. Staessen
- Non-Profit Research Association Alliance for the Promotion of Preventive Medicine, Mechelen, Belgium
- The Biomedical Sciences Group, Faculty of Medicine, University of Leuven, Leuven, Belgium
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13
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Wang B, Shi C, Zhu Z. The association between type 2 diabetes mellitus/prediabetes status and femoral neck bone mineral density in old adults. J Orthop Surg (Hong Kong) 2024; 32:10225536241233472. [PMID: 38366620 DOI: 10.1177/10225536241233472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/18/2024] Open
Abstract
BACKGROUND The prevalence of both type 2 diabetes mellitus (T2DM) and osteoporosis has been increasing among older individuals, with these two health conditions often coexisting. Our aim in this study was to evaluate the association between T2DM status and bone mineral density (BMD) of the femoral neck among older adults in the United States. METHODS This was a retrospective analysis of the data from 5695 adults, 60-80 years of age. The data were obtained from the National Health and Nutrition Examination Survey, for the following years: 2005-2006, 2007-2008, 2009-2010, 2013-2014, and 2017-2018. Weighted multivariable regression analyses, with subgroup analyses as appropriate, were performed to identify an association between T2DM/prediabetes status and femoral BMD and mediating factors. RESULTS There was a significant positive association between T2DM/prediabetes status and femoral neck BMD among older women, but not men, after adjusting for body mass index (BMI). On subgroup analysis, stratified by BMI, the significant positive association was retained for T2DM women with a BMI of 25-29.9 kg/m2 (β, 0.030; 95% CI, 0.007-0.052) or ≥30 kg/m2 (β, 0.029; 95% CI, 0.007-0.05), and for prediabetes women with a BMI of 25-29.9 kg/m2 (β, 0.016; 95% CI, 0.001-0.030). CONCLUSIONS The association between a positive T2DM/prediabetes status and femoral neck BMD differed by sex among older individuals, with the association being further modulated by BMI. For women with a BMI of 25-29.9 kg/m2 or ≥30 kg/m2, T2DM was associated with a significantly higher femoral neck BMD, compared to the non-diabetes group.
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Affiliation(s)
- Bo Wang
- Department of Osteoporosis Care and Control, The First People's Hospital of Xiaoshan District, Xiaoshan Affiliated Hospital of Wenzhou Medical University, Hangzhou, China
| | - Chenhao Shi
- The First Clinical Medical College of Zhejiang Chinese Medical University, Hangzhou, China
| | - Zhongxin Zhu
- Department of Osteoporosis Care and Control, The First People's Hospital of Xiaoshan District, Xiaoshan Affiliated Hospital of Wenzhou Medical University, Hangzhou, China
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14
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Kamml J, Acevedo C, Kammer DS. Advanced-Glycation Endproducts: How cross-linking properties affect the collagen fibril behavior. J Mech Behav Biomed Mater 2023; 148:106198. [PMID: 37890341 DOI: 10.1016/j.jmbbm.2023.106198] [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: 08/09/2023] [Revised: 10/03/2023] [Accepted: 10/16/2023] [Indexed: 10/29/2023]
Abstract
Advanced-Glycation-Endproducts (AGEs) are known to be a major cause of impaired tissue material properties. In collagen fibrils, which constitute a major building component of human tissue, these AGEs appear as fibrillar cross-links. It has been shown that when AGEs accumulate in collagen fibrils, a process often caused by diabetes and aging, the mechanical properties of the collagen fibril are altered. However, current knowledge about the mechanical properties of different types of AGEs, and their quantity in collagen fibrils is limited owing to the scarcity of available experimental data. Consequently, the precise relationship between the nano-scale cross-link properties, which differ from type to type, their density in collagen fibrils, and the mechanical properties of the collagen fibrils at larger scales remains poorly understood. In our study, we use coarse-grained molecular dynamics simulations and perform destructive tensile tests on collagen fibrils to evaluate the effect of different cross-link densities and their mechanical properties on collagen fibril deformation and fracture behavior. We observe that the collagen fibril stiffens at high strain levels when either the AGEs density or the loading energy capacity of AGEs are increased. Based on our results, we demonstrate that this stiffening is caused by a mechanism that favors energy absorption via stretching rather than inter-molecular sliding. Hence, in these cross-linked collagen fibrils, the absorbed energy is stored rather than dissipated through friction, resulting in brittle fracture upon fibrillar failure. Further, by varying multiple AGEs nano-scale parameters, we show that the AGEs loading energy capacity is, aside from their density in the fibril, the unique factor determining the effect of different types of AGEs on the mechanical behavior of collagen fibrils. Our results show that knowing AGEs properties is crucial for a better understanding of the nano-scale origin of impaired tissue behavior. We further suggest that future experimental investigations should focus on the quantification of the loading energy capacity of AGEs as a key property for their influence on collagen fibrils.
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Affiliation(s)
- Julia Kamml
- Institute for Building Materials, ETH Zurich, Switzerland
| | - Claire Acevedo
- Department of Mechanical and Aerospace Engineering, University of California San Diego, San Diego, CA, USA
| | - David S Kammer
- Institute for Building Materials, ETH Zurich, Switzerland.
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15
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Yan X, Zhang Q, Ma X, Zhong Y, Tang H, Mai S. The mechanism of biomineralization: Progress in mineralization from intracellular generation to extracellular deposition. JAPANESE DENTAL SCIENCE REVIEW 2023; 59:181-190. [PMID: 37388714 PMCID: PMC10302165 DOI: 10.1016/j.jdsr.2023.06.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 06/01/2023] [Accepted: 06/13/2023] [Indexed: 07/01/2023] Open
Abstract
Biomineralization is a highly regulated process that results in the deposition of minerals in a precise manner, ultimately producing skeletal and dental hard tissues. Recent studies have highlighted the crucial role played by intracellular processes in initiating biomineralization. These processes involve various organelles, such as the endoplasmic reticulum(ER), mitochondria, and lysosomes, in the formation, accumulation, maturation, and secretion of calcium phosphate (CaP) particles. Particularly, the recent in-depth study of the dynamic process of the formation of amorphous calcium phosphate(ACP) precursors among organelles has made great progress in the development of the integrity of the biomineralization chain. However, the precise mechanisms underlying these intracellular processes remain unclear, and they cannot be fully integrated with the extracellular mineralization mechanism and the physicochemical structure development of the mineralization particles. In this review, we aim to focus on the recent progress made in understanding intracellular mineralization organelles' processes and their relationship with the physicochemical structure development of CaP and extracellular deposition of CaP particles.
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Affiliation(s)
- Xin Yan
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Institute of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Qi Zhang
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Institute of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Xinyue Ma
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Institute of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Yewen Zhong
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Institute of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Hengni Tang
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Institute of Stomatology, Sun Yat-sen University, Guangzhou, China
| | - Sui Mai
- Hospital of Stomatology, Sun Yat-sen University, Guangzhou, China
- Guangdong Provincial Key Laboratory of Stomatology, Guangzhou, China
- Institute of Stomatology, Sun Yat-sen University, Guangzhou, China
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16
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Aurégan JC, Bosser C, Bachy-Razzouk M, Bensidhoum M, Hoc T. In Vivo Assessment of Skin Surface Pattern: Exploring Its Potential as an Indicator of Bone Biomechanical Properties. Bioengineering (Basel) 2023; 10:1338. [PMID: 38135929 PMCID: PMC10741173 DOI: 10.3390/bioengineering10121338] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2023] [Revised: 11/14/2023] [Accepted: 11/18/2023] [Indexed: 12/24/2023] Open
Abstract
The mechanical properties of bone tissue are the result of a complex process involving collagen-crystal interactions. The mineral density of the bone tissue is correlated with bone strength, whereas the characteristics of collagen are often associated with the ductility and toughness of the bone. From a clinical perspective, bone mineral density alone does not satisfactorily explain skeletal fragility. However, reliable in vivo markers of collagen quality that can be easily used in clinical practice are not available. Hence, the objective of the present study is to examine the relationship between skin surface morphology and changes in the mechanical properties of the bone. An experimental study was conducted on healthy children (n = 11), children with osteogenesis imperfecta (n = 13), and women over 60 years of age (n = 22). For each patient, the skin characteristic length (SCL) of the forearm skin surface was measured. The SCL quantifies the geometric patterns formed by wrinkles on the skin's surface, both in terms of size and elongation. The greater the SCL, the more deficient was the organic collagen matrix. In addition, the bone volume fraction and mechanical properties of the explanted femoral head were determined for the elderly female group. The mean SCL values of the healthy children group were significantly lower than those of the elderly women and osteogenesis imperfecta groups. For the aged women group, no significant differences were indicated in the elastic mechanical parameters, whereas bone toughness and ductility decreased significantly as the SCL increased. In conclusion, in bone collagen pathology or bone aging, the SCL is significantly impaired. This in vivo skin surface parameter can be a non-invasive tool to improve the estimation of bone matrix quality and to identify subjects at high risk of bone fracture.
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Affiliation(s)
- Jean-Charles Aurégan
- B3OA, UMR CNRS 7052, Inserm U1271 Université de Paris, 10 avenue de Verdun, 75010 Paris, France; (J.-C.A.); (M.B.-R.); (M.B.)
- Orthopedics Department, Université Paris-Saclay, AP-HP, Hôpital Antoine Béclère, 157, Rue de la Porte-de-Trivaux, 92140 Clamart, France
| | - Catherine Bosser
- HealthDataSciences, 45, Chemin du Barthélémy, 69260 Charbonnières-les-Bains, France
| | - Manon Bachy-Razzouk
- B3OA, UMR CNRS 7052, Inserm U1271 Université de Paris, 10 avenue de Verdun, 75010 Paris, France; (J.-C.A.); (M.B.-R.); (M.B.)
- Orthopedics Department, Sorbonne Université, AP-HP, Hôpital Trousseau, 26, Avenue du Docteur-Arnold-Netter, 75012 Paris, France
| | - Morad Bensidhoum
- B3OA, UMR CNRS 7052, Inserm U1271 Université de Paris, 10 avenue de Verdun, 75010 Paris, France; (J.-C.A.); (M.B.-R.); (M.B.)
| | - Thierry Hoc
- B3OA, UMR CNRS 7052, Inserm U1271 Université de Paris, 10 avenue de Verdun, 75010 Paris, France; (J.-C.A.); (M.B.-R.); (M.B.)
- Mechanical Department, École Centrale de Lyon, MSGMGC, 36, Avenue Guy-de-Collongue, 69134 Ecully, France
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Hagino H, Moriwaki K, Wada T, Osaki M, Nagashima H, Matsumoto H. Urinary pentosidine level is associated with the risk of fracture in community-dwelling older adults: a prospective observational study. Osteoporos Int 2023; 34:1703-1709. [PMID: 37291359 DOI: 10.1007/s00198-023-06816-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2023] [Accepted: 05/30/2023] [Indexed: 06/10/2023]
Abstract
A history of fracture in adulthood and urinary pentosidine levels were independently and significantly associated with fracture occurrence in this prospective observational study of community-dwelling older adults. PURPOSE This prospective observational study aimed to determine the factors associated with fragility fractures in community-dwelling older adults. METHODS Overall, 254 older adults who were participants of the Good Aging and Intervention Against Nursing Care and Activity Decline study in 2016 were included in this study. Grip strength, muscle mass, gait speed, calcaneal bone density, and the levels of parathyroid hormone, osteocalcin, 25-hydroxyvitamin D, total procollagen type I N-terminal propeptide, insulin-like growth factor-1 (IGF-1), tartrate-resistant acid phosphatase-5b, and urinary pentosidine were measured at baseline. Participants were classified as fracture ( +) or fracture (-) based on the data collected during a 5-year follow-up period. RESULTS Excluding those who were lost to follow-up during the observation period, 182 participants (64 men and 118 women, mean age: 74.2 years, range: 47-99 years) were included in the analysis. During the observation period, 23 patients experienced 24 new fractures. In univariate analysis, sex, height, weight, history of fracture in adulthood, baseline grip strength, muscle mass, bone density, and the levels of urinary pentosidine and IGF-1 at baseline were significantly different between patients who developed a fracture during follow-up and those who did not. In multivariate analysis, a history of fracture in adulthood and urinary pentosidine levels were independently and significantly associated with fracture occurrence. CONCLUSION High urine pentosidine levels and a history of fracture in adulthood are independent risk factors for fracture occurrence in community-dwelling older adults.
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Affiliation(s)
- Hiroshi Hagino
- School of Health Science, Faculty of Medicine, Tottori University, Nishicho 86, Yonago, Tottori, 683-8503, Japan.
- Department of Rehabilitation, Sanin Rosai Hospital, 1-8-1 Kaikeshinden, Yonago, Tottori, 683-8605, Japan.
| | - Kenta Moriwaki
- Department of Orthopedic Surgery, Faculty of Medicine, Tottori University, Nishicho 36-1, Yonago, Tottori, 683-8504, Japan
| | - Takashi Wada
- Rehabilitation Division, Tottori University Hospital, Nishicho 36-1, Yonago, Tottori, 683-8504, Japan
| | - Mari Osaki
- Rehabilitation Division, Tottori University Hospital, Nishicho 36-1, Yonago, Tottori, 683-8504, Japan
| | - Hideki Nagashima
- Department of Orthopedic Surgery, Faculty of Medicine, Tottori University, Nishicho 36-1, Yonago, Tottori, 683-8504, Japan
| | - Hiromi Matsumoto
- Department of Physical Therapy, Faculty of Rehabilitation, Kawasaki University of Medical Welfare, Matsushima 288, Kurashiki, Okayama, 701-0193, Japan
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18
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Liu Z, Wang Q, Zhang J, Qi S, Duan Y, Li C. The Mechanotransduction Signaling Pathways in the Regulation of Osteogenesis. Int J Mol Sci 2023; 24:14326. [PMID: 37762629 PMCID: PMC10532275 DOI: 10.3390/ijms241814326] [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: 08/28/2023] [Revised: 09/14/2023] [Accepted: 09/19/2023] [Indexed: 09/29/2023] Open
Abstract
Bones are constantly exposed to mechanical forces from both muscles and Earth's gravity to maintain bone homeostasis by stimulating bone formation. Mechanotransduction transforms external mechanical signals such as force, fluid flow shear, and gravity into intracellular responses to achieve force adaptation. However, the underlying molecular mechanisms on the conversion from mechanical signals into bone formation has not been completely defined yet. In the present review, we provide a comprehensive and systematic description of the mechanotransduction signaling pathways induced by mechanical stimuli during osteogenesis and address the different layers of interconnections between different signaling pathways. Further exploration of mechanotransduction would benefit patients with osteoporosis, including the aging population and postmenopausal women.
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Affiliation(s)
- Zhaoshuo Liu
- School of Engineering Medicine, Beihang University, Beijing 100191, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Qilin Wang
- School of Engineering Medicine, Beihang University, Beijing 100191, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Junyou Zhang
- School of Engineering Medicine, Beihang University, Beijing 100191, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Sihan Qi
- School of Engineering Medicine, Beihang University, Beijing 100191, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Yingying Duan
- School of Engineering Medicine, Beihang University, Beijing 100191, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
| | - Chunyan Li
- School of Engineering Medicine, Beihang University, Beijing 100191, China
- School of Biological Science and Medical Engineering, Beihang University, Beijing 100191, China
- Key Laboratory of Big Data-Based Precision Medicine (Ministry of Industry and Information Technology), Beihang University, Beijing 100191, China
- Beijing Advanced Innovation Center for Big Data-Based Precision Medicine, Beihang University, Beijing 100191, China
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Tanveer N, Hussein S, Pingili S, Makkena VK, Jaramillo AP, Awosusi BL, Ayyub J, Dabhi KN, Gohil NV, Hamid P. Multiple Myeloma and the Role of Bisphosphonates in Its Management. Cureus 2023; 15:e45270. [PMID: 37846237 PMCID: PMC10576843 DOI: 10.7759/cureus.45270] [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: 06/11/2023] [Accepted: 09/14/2023] [Indexed: 10/18/2023] Open
Abstract
An aberrant growth of plasma cells in the bone marrow characterizes the hematological neoplasm known as multiple myeloma, which is typically accompanied by increased bone pain and skeletal-related events such as pathological fractures and/or spinal cord compression. Changes in the bone marrow microenvironment brought on by increased osteoclastic activity and/or decreased osteoblastic activity as a result of myeloma bone disease have a detrimental effect on quality of life. Bone-modifying medications such as bisphosphonates or denosumab are used to treat myeloma bone disease. These substances can lessen bone pain and the chance of pathological fracture, but they do not stimulate the growth of new bone or heal already damaged bone. In order to conduct this study, we searched the PubMed, Google Scholar, and Cochrane databases for complete free papers published in English and studied people over the previous five years, starting in 2018. The search covered randomized clinical trials (RCT), observational studies, meta-analyses, systemic reviews, and conventional reviews. Twenty-five publications are picked after using quality evaluation techniques to determine the type of study. These papers' full-text articles are investigated, examined, and tallied. We spoke about the various treatments for bone damage in multiple myeloma. It was discovered that bisphosphonates lessen the frequency and severity of bone problems. However, we are unsure of their contribution to survival. Although these medicines enhance life quality, it is unknown if they also increase overall survival. The focus of this study is on several kinds of bone-modifying drugs, their processes of action, the point at which therapy is started, how long it lasts, and any possible mortality advantages.
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Affiliation(s)
- Nida Tanveer
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Sally Hussein
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Shravya Pingili
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
- Medicine, Kakatiya Medical College, Hyderabad, IND
| | - Vijaya Krishna Makkena
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
- MBBS, Osmania Medical College, Hyderabad, IND
| | - Arturo P Jaramillo
- General Practice, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Babatope L Awosusi
- Pathology and Laboratory Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Javaria Ayyub
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Karan Nareshbhai Dabhi
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
| | - Namra V Gohil
- Internal Medicine, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
- Internal Medicine, Medical College Baroda, Vadodara, IND
| | - Pousette Hamid
- Neurology, California Institute of Behavioral Neurosciences & Psychology, Fairfield, USA
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20
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Arora D, Taylor EA, King KB, Donnelly E. Increased tissue modulus and hardness in the TallyHO mouse model of early onset type 2 diabetes mellitus. PLoS One 2023; 18:e0287825. [PMID: 37418415 PMCID: PMC10328374 DOI: 10.1371/journal.pone.0287825] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2022] [Accepted: 06/14/2023] [Indexed: 07/09/2023] Open
Abstract
Individuals with type 2 diabetes mellitus (T2DM) have a higher fracture risk compared to those without T2DM despite having higher bone mineral density (BMD). Thus, T2DM may alter other aspects of resistance to fracture beyond BMD such as bone geometry, microarchitecture, and tissue material properties. We characterized the skeletal phenotype and assessed the effects of hyperglycemia on bone tissue mechanical and compositional properties in the TallyHO mouse model of early-onset T2DM using nanoindentation and Raman spectroscopy. Femurs and tibias were harvested from male TallyHO and C57Bl/6J mice at 26 weeks of age. The minimum moment of inertia assessed by micro-computed tomography was smaller (-26%) and cortical porosity was greater (+490%) in TallyHO femora compared to controls. In three-point bending tests to failure, the femoral ultimate moment and stiffness did not differ but post-yield displacement was lower (-35%) in the TallyHO mice relative to that in C57Bl/6J age-matched controls after adjusting for body mass. The cortical bone in the tibia of TallyHO mice was stiffer and harder, as indicated by greater mean tissue nanoindentation modulus (+22%) and hardness (+22%) compared to controls. Raman spectroscopic mineral:matrix ratio and crystallinity were greater in TallyHO tibiae than in C57Bl/6J tibiae (mineral:matrix +10%, p < 0.05; crystallinity +0.41%, p < 0.10). Our regression model indicated that greater values of crystallinity and collagen maturity were associated with reduced ductility observed in the femora of the TallyHO mice. The maintenance of structural stiffness and strength of TallyHO mouse femora despite reduced geometric resistance to bending could potentially be explained by increased tissue modulus and hardness, as observed at the tibia. Finally, with worsening glycemic control, tissue hardness and crystallinity increased, and bone ductility decreased in TallyHO mice. Our study suggests that these material factors may be sentinels of bone embrittlement in adolescents with T2DM.
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Affiliation(s)
- Daksh Arora
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York, United States of America
| | - Erik A. Taylor
- Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, New York, United States of America
| | - Karen B. King
- Department of Orthopedics, University of Colorado School of Medicine, Aurora, Colorado, United States of America
| | - Eve Donnelly
- Department of Materials Science and Engineering, Cornell University, Ithaca, New York, United States of America
- Research Institute, Hospital for Special Surgery, New York, New York, United States of America
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21
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Kamml J, Ke CY, Acevedo C, Kammer DS. The influence of AGEs and enzymatic cross-links on the mechanical properties of collagen fibrils. J Mech Behav Biomed Mater 2023; 143:105870. [PMID: 37156073 DOI: 10.1016/j.jmbbm.2023.105870] [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: 01/30/2023] [Revised: 03/28/2023] [Accepted: 04/23/2023] [Indexed: 05/10/2023]
Abstract
Collagen, one of the main building blocks for various tissues, derives its mechanical properties directly from its structure of cross-linked tropocollagen molecules. The cross-links are considered to be a key component of collagen fibrils as they can change the fibrillar behavior in various ways. For instance, enzymatic cross-links (ECLs), one particular type of cross-links, are known for stabilizing the structure of the fibril and improving material properties, while cross-linking AGEs (Advanced-Glycation Endproducts) have been shown to accumulate and impair the mechanical properties of collageneous tissues. However, the reasons for whether and how a given type of cross-link improves or impairs the material properties remain unknown, and the exact relationship between the cross-link properties and density, and the fibrillar behavior is still not well understood. Here, we use coarse-grained steered molecular models to evaluate the effect of AGEs and ECLs cross-links content on the deformation and failure properties of collagen fibrils. Our simulations show that the collagen fibrils stiffen at high strain levels when the AGEs content exceeds a critical value. In addition, the strength of the fibril increases with AGEs accumulation. By analyzing the forces within the different types of cross-links (AGEs and ECLs) as well as their failure, we demonstrate that a change of deformation mechanism is at the origin of these observations. A high AGEs content reinforces force transfer through AGEs cross-links rather than through friction between sliding tropocollagen molecules, which leads to failure by breaking of bonds within the tropocollagen molecules. We show that this failure mechanism, which is associated with lower energy dissipation, results in more abrupt failure of the collagen fibril. Our results provide a direct and causal link between increased AGEs content, inhibited intra-fibrillar sliding, increased stiffness, and abrupt fibril fracture. Therefore, they explain the mechanical origin of bone brittleness as commonly observed in elderly and diabetic populations. Our findings contribute to a better understanding of the mechanisms underlying impaired tissue behavior due to elevated AGEs content and could enable targeted measures regarding the reduction of specific collagen cross-linking levels.
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Affiliation(s)
- Julia Kamml
- Institute for Building Materials, ETH Zurich, Switzerland
| | - Chun-Yu Ke
- Department of Engineering Science and Mechanics, Pennsylvania State University, University Park, PA, USA
| | - Claire Acevedo
- Department of Mechanical Engineering, University of Utah, Salt Lake City, UT, USA; Department of Biomedical Engineering, University of Utah, Salt Lake City, UT, USA
| | - David S Kammer
- Institute for Building Materials, ETH Zurich, Switzerland.
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22
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Iyer S, Adams DJ. Bone and the Unfolded Protein Response: In Sickness and in Health. Calcif Tissue Int 2023; 113:96-109. [PMID: 37243756 PMCID: PMC10326125 DOI: 10.1007/s00223-023-01096-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/03/2023] [Accepted: 05/08/2023] [Indexed: 05/29/2023]
Abstract
Differentiation and optimal function of osteoblasts and osteoclasts are contingent on synthesis and maintenance of a healthy proteome. Impaired and/or altered secretory capacity of these skeletal cells is a primary driver of most skeletal diseases. The endoplasmic reticulum (ER) orchestrates the folding and maturation of membrane as well as secreted proteins at high rates within a calcium rich and oxidative organellar niche. Three ER membrane proteins monitor fidelity of protein processing in the ER and initiate an intricate signaling cascade known as the Unfolded Protein Response (UPR) to remediate accumulation of misfolded proteins in its lumen, a condition referred to as ER stress. The UPR aids in fine-tuning, expanding and/or modifying the cellular proteome, especially in specialized secretory cells, to match everchanging physiologic cues and metabolic demands. Sustained activation of the UPR due to chronic ER stress, however, is known to hasten cell death and drive pathophysiology of several diseases. A growing body of evidence suggests that ER stress and an aberrant UPR may contribute to poor skeletal health and the development of osteoporosis. Small molecule therapeutics that target distinct components of the UPR may therefore have implications for developing novel treatment modalities relevant to the skeleton. This review summarizes the complexity of UPR actions in bone cells in the context of skeletal physiology and osteoporotic bone loss, and highlights the need for future mechanistic studies to develop novel UPR therapeutics that mitigate adverse skeletal outcomes.
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Affiliation(s)
- Srividhya Iyer
- Department of Orthopedics, University of Colorado Anschutz Medical Campus, 12800 E 19th Ave, Mailstop:8343, Aurora, CO, 80045, USA.
| | - Douglas J Adams
- Department of Orthopedics, University of Colorado Anschutz Medical Campus, 12800 E 19th Ave, Mailstop:8343, Aurora, CO, 80045, USA
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Bernabei I, Hansen U, Ehirchiou D, Brinckmann J, Chobaz V, Busso N, Nasi S. CD11b Deficiency Favors Cartilage Calcification via Increased Matrix Vesicles, Apoptosis, and Lysyl Oxidase Activity. Int J Mol Sci 2023; 24:ijms24119776. [PMID: 37298730 DOI: 10.3390/ijms24119776] [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: 04/12/2023] [Revised: 05/31/2023] [Accepted: 05/31/2023] [Indexed: 06/12/2023] Open
Abstract
Pathological cartilage calcification is a hallmark feature of osteoarthritis, a common degenerative joint disease, characterized by cartilage damage, progressively causing pain and loss of movement. The integrin subunit CD11b was shown to play a protective role against cartilage calcification in a mouse model of surgery-induced OA. Here, we investigated the possible mechanism by which CD11b deficiency could favor cartilage calcification by using naïve mice. First, we found by transmission electron microscopy (TEM) that CD11b KO cartilage from young mice presented early calcification spots compared with WT. CD11b KO cartilage from old mice showed progression of calcification areas. Mechanistically, we found more calcification-competent matrix vesicles and more apoptosis in both cartilage and chondrocytes isolated from CD11b-deficient mice. Additionally, the extracellular matrix from cartilage lacking the integrin was dysregulated with increased collagen fibrils with smaller diameters. Moreover, we revealed by TEM that CD11b KO cartilage had increased expression of lysyl oxidase (LOX), the enzyme that catalyzes matrix crosslinks. We confirmed this in murine primary CD11b KO chondrocytes, where Lox gene expression and crosslinking activity were increased. Overall, our results suggest that CD11b integrin regulates cartilage calcification through reduced MV release, apoptosis, LOX activity, and matrix crosslinking. As such, CD11b activation might be a key pathway for maintaining cartilage integrity.
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Affiliation(s)
- Ilaria Bernabei
- Service of Rheumatology, Department of Musculoskeletal Medicine, Lausanne University Hospital, 1011 Lausanne, Switzerland
| | - Uwe Hansen
- Institute for Musculoskeletal Medicine, University Hospital of Münster, 48149 Münster, Germany
| | - Driss Ehirchiou
- Service of Rheumatology, Department of Musculoskeletal Medicine, Lausanne University Hospital, 1011 Lausanne, Switzerland
| | - Jürgen Brinckmann
- Department of Dermatology, University of Lübeck, 23562 Lübeck, Germany
| | - Veronique Chobaz
- Service of Rheumatology, Department of Musculoskeletal Medicine, Lausanne University Hospital, 1011 Lausanne, Switzerland
| | - Nathalie Busso
- Service of Rheumatology, Department of Musculoskeletal Medicine, Lausanne University Hospital, 1011 Lausanne, Switzerland
| | - Sonia Nasi
- Service of Rheumatology, Department of Musculoskeletal Medicine, Lausanne University Hospital, 1011 Lausanne, Switzerland
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24
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Chretien A, Mabilleau G, Lebacq J, Docquier PL, Behets C. Beneficial Effects of Zoledronic Acid on Tendons of the Osteogenesis Imperfecta Mouse (Oim). Pharmaceuticals (Basel) 2023; 16:832. [PMID: 37375779 DOI: 10.3390/ph16060832] [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: 04/27/2023] [Revised: 05/19/2023] [Accepted: 05/24/2023] [Indexed: 06/29/2023] Open
Abstract
Osteogenesis imperfecta (OI) is a genetic disorder of connective tissue characterized by spontaneous fractures, bone deformities, impaired growth and posture, as well as extra-skeletal manifestations. Recent studies have underlined an impairment of the osteotendinous complex in mice models of OI. The first objective of the present work was to further investigate the properties of tendons in the osteogenesis imperfecta mouse (oim), a model characterized by a mutation in the COL1A2 gene. The second objective was to identify the possible beneficial effects of zoledronic acid on tendons. Oim received a single intravenous injection of zoledronic acid (ZA group) at 5 weeks and were euthanized at 14 weeks. Their tendons were compared with those of untreated oim (oim group) and control mice (WT group) by histology, mechanical tests, western blotting and Raman spectroscopy. The ulnar epiphysis had a significantly lower relative bone surface (BV/TV) in oim than WT mice. The tendon of the triceps brachii was also significantly less birefringent and displayed numerous chondrocytes aligned along the fibers. ZA mice showed an increase in BV/TV of the ulnar epiphysis and in tendon birefringence. The tendon of the flexor digitorum longus was significantly less viscous in oim than WT mice; in ZA-treated mice, there was an improvement of viscoelastic properties, especially in the toe region of stress-strain curve, which corresponds to collagen crimp. The tendons of both oim and ZA groups did not show any significant change in the expression of decorin or tenomodulin. Finally, Raman spectroscopy highlighted differences in material properties between ZA and WT tendons. There was also a significant increase in the rate of hydroxyproline in the tendons of ZA mice compared with oim ones. This study highlighted changes in matrix organization and an alteration of mechanical properties in oim tendons; zoledronic acid treatment had beneficial effects on these parameters. In the future, it will be interesting to better understand the underlying mechanisms which are possibly linked to a greater solicitation of the musculoskeletal system.
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Affiliation(s)
- Antoine Chretien
- Pole of Morphology, Institute of Experimental and Clinical Research, Université Catholique de Louvain, 1200 Brussels, Belgium
| | - Guillaume Mabilleau
- Univ Angers, Nantes Université, Oniris, Inserm, UMR_S 1229-RMeS, REGOS, SFR ICAT, F-49000 Angers, France
- Centre Hospitalier Universitaire d'Angers, Department of Cell and Tissue Pathology, Bone Pathology Unit, F-49000 Angers, France
| | - Jean Lebacq
- Institute of NeuroScience (IoNS), Université Catholique de Louvain, 1200 Brussels, Belgium
| | - Pierre-Louis Docquier
- Neuromusculoskeletal Lab, Institute of Experimental and Clinical Research, Université Catholique de Louvain, 1200 Brussels, Belgium
| | - Catherine Behets
- Pole of Morphology, Institute of Experimental and Clinical Research, Université Catholique de Louvain, 1200 Brussels, Belgium
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25
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Bian Y, Hu T, Lv Z, Xu Y, Wang Y, Wang H, Zhu W, Feng B, Liang R, Tan C, Weng X. Bone tissue engineering for treating osteonecrosis of the femoral head. EXPLORATION (BEIJING, CHINA) 2023; 3:20210105. [PMID: 37324030 PMCID: PMC10190954 DOI: 10.1002/exp.20210105] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 05/12/2022] [Indexed: 06/16/2023]
Abstract
Osteonecrosis of the femoral head (ONFH) is a devastating and complicated disease with an unclear etiology. Femoral head-preserving surgeries have been devoted to delaying and hindering the collapse of the femoral head since their introduction in the last century. However, the isolated femoral head-preserving surgeries cannot prevent the natural progression of ONFH, and the combination of autogenous or allogeneic bone grafting often leads to many undesired complications. To tackle this dilemma, bone tissue engineering has been widely developed to compensate for the deficiencies of these surgeries. During the last decades, great progress has been made in ingenious bone tissue engineering for ONFH treatment. Herein, we comprehensively summarize the state-of-the-art progress made in bone tissue engineering for ONFH treatment. The definition, classification, etiology, diagnosis, and current treatments of ONFH are first described. Then, the recent progress in the development of various bone-repairing biomaterials, including bioceramics, natural polymers, synthetic polymers, and metals, for treating ONFH is presented. Thereafter, regenerative therapies for ONFH treatment are also discussed. Finally, we give some personal insights on the current challenges of these therapeutic strategies in the clinic and the future development of bone tissue engineering for ONFH treatment.
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Affiliation(s)
- Yixin Bian
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Tingting Hu
- State Key Laboratory of Chemical Resource EngineeringBeijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijingChina
| | - Zehui Lv
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Yiming Xu
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Yingjie Wang
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Han Wang
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Wei Zhu
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Bin Feng
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
| | - Ruizheng Liang
- State Key Laboratory of Chemical Resource EngineeringBeijing Advanced Innovation Center for Soft Matter Science and EngineeringBeijing University of Chemical TechnologyBeijingChina
| | - Chaoliang Tan
- Department of ChemistryCity University of Hong KongKowloonHong Kong SARChina
| | - Xisheng Weng
- Department of Orthopedic SurgeryState Key Laboratory of Complex Severe and Rare DiseasesPeking Union Medical College HospitalChinese Academy of Medical Science and Peking Union Medical CollegeBeijingChina
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26
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Dule S, Barchetta I, Cimini FA, Passarella G, Dellanno A, Filardi T, Venditti V, Bleve E, Bailetti D, Romagnoli E, Morano S, Baroni MG, Cavallo MG. Reduced High-Density Lipoprotein Cholesterol Is an Independent Determinant of Altered Bone Quality in Women with Type 2 Diabetes. Int J Mol Sci 2023; 24:ijms24076474. [PMID: 37047445 PMCID: PMC10095189 DOI: 10.3390/ijms24076474] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Revised: 03/21/2023] [Accepted: 03/28/2023] [Indexed: 04/03/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) is associated with an increased fracture risk. Our study aimed to explore differences in bone alterations between T2DM women and controls and to assess clinical predictors of bone impairment in T2DM. For this observational case control study, we recruited 126 T2DM female patients and 117 non-diabetic, age- and BMI-comparable women, who underwent clinical examination, routine biochemistry and dual-energy X-ray absorptiometry (DXA) scans for bone mineral density (BMD) and trabecular bone score (TBS) assessment-derived indexes. These were correlated to metabolic parameters, such as glycemic control and lipid profile, by bivariate analyses, and significant variables were entered in multivariate adjusted models to detect independent determinants of altered bone status in diabetes. The T2DM patients were less represented in the normal bone category compared with controls (5% vs. 12%; p = 0.04); T2DM was associated with low TBS (OR: 2.47, C.I. 95%: 1.19–5.16, p = 0.016) in a regression model adjusted for age, menopausal status and BMI. In women with T2DM, TBS directly correlated with plasma high-density lipoprotein cholesterol (HDL-c) (p = 0.029) and vitamin D (p = 0.017) levels. An inverse association was observed with menopausal status (p < 0.001), metabolic syndrome (p = 0.014), BMI (p = 0.005), and waist circumference (p < 0.001). In the multivariate regression analysis, lower HDL-c represented the main predictor of altered bone quality in T2DM, regardless of age, menopausal status, BMI, waist circumference, statin treatment, physical activity, and vitamin D (p = 0.029; R2 = 0.47), which likely underlies common pathways between metabolic disease and bone health in diabetes.
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Affiliation(s)
- Sara Dule
- Department of Experimental Medicine, Sapienza University, 00161 Rome, Italy
| | - Ilaria Barchetta
- Department of Experimental Medicine, Sapienza University, 00161 Rome, Italy
| | | | - Giulia Passarella
- Department of Experimental Medicine, Sapienza University, 00161 Rome, Italy
| | - Arianna Dellanno
- Department of Experimental Medicine, Sapienza University, 00161 Rome, Italy
| | - Tiziana Filardi
- Department of Experimental Medicine, Sapienza University, 00161 Rome, Italy
| | - Vittorio Venditti
- Department of Experimental Medicine, Sapienza University, 00161 Rome, Italy
| | - Enrico Bleve
- Department of Experimental Medicine, Sapienza University, 00161 Rome, Italy
| | - Diego Bailetti
- Department of Clinical Medicine, Public Health, Life and Environmental Sciences (MeSVA), University of L’Aquila, 67100 L’Aquila, Italy
| | | | - Susanna Morano
- Department of Experimental Medicine, Sapienza University, 00161 Rome, Italy
| | - Marco Giorgio Baroni
- Department of Clinical Medicine, Public Health, Life and Environmental Sciences (MeSVA), University of L’Aquila, 67100 L’Aquila, Italy
- Neuroendocrinology and Metabolic Diseases, IRCCS Neuromed, 86077 Pozzilli, Italy
- Correspondence:
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27
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Liu CJ, Yang X, Wang SH, Wu XT, Mao Y, Shi JW, Fan YB, Sun LW. Preventing Disused Bone Loss through Inhibition of Advanced Glycation End Products. Int J Mol Sci 2023; 24:ijms24054953. [PMID: 36902384 PMCID: PMC10003672 DOI: 10.3390/ijms24054953] [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: 02/01/2023] [Revised: 02/26/2023] [Accepted: 03/01/2023] [Indexed: 03/08/2023] Open
Abstract
Bone loss occurs in astronauts during long-term space flight, but the mechanisms are still unclear. We previously showed that advanced glycation end products (AGEs) were involved in microgravity-induced osteoporosis. Here, we investigated the improvement effects of blocking AGEs formation on microgravity-induced bone loss by using the AGEs formation inhibitor, irbesartan. To achieve this objective, we used a tail-suspended (TS) rat model to simulate microgravity and treated the TS rats with 50 mg/kg/day irbesartan, as well as the fluorochrome biomarkers injected into rats to label dynamic bone formation. To assess the accumulation of AGEs, pentosidine (PEN), non-enzymatic cross-links (NE-xLR), and fluorescent AGEs (fAGEs) were identified in the bone; 8-hydroxydeoxyguanosine (8-OHdG) was analyzed for the reactive oxygen species (ROS) level in the bone. Meanwhile, bone mechanical properties, bone microstructure, and dynamic bone histomorphometry were tested for bone quality assessment, and Osterix and TRAP were immunofluorescences stained for the activities of osteoblastic and osteoclastic cells. Results showed AGEs increased significantly and 8-OHdG expression in bone showed an upward trend in TS rat hindlimbs. The bone quality (bone microstructure and mechanical properties) and bone formation process (dynamic bone formation and osteoblastic cells activities) were inhibited after tail-suspension, and showed a correlation with AGEs, suggesting the elevated AGEs contributed to the disused bone loss. After being treated with irbesartan, the increased AGEs and 8-OHdG expression were significantly inhibited, suggesting irbesartan may reduce ROS to inhibit dicarbonyl compounds, thus suppressing AGEs production after tail-suspension. The inhibition of AGEs can partially alter the bone remodeling process and improve bone quality. Both AGEs accumulation and bone alterations almost occurred in trabecular bone but not in cortical bone, suggesting AGEs effects on bone remodeling under microgravity are dependent on the biological milieu.
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Affiliation(s)
| | - Xiao Yang
- Correspondence: (X.Y.); (L.-W.S.); Tel.: +86-13811922096 (X.Y.); Fax: +86-10-82339349 (L.-W.S.)
| | | | | | | | | | | | - Lian-Wen Sun
- Correspondence: (X.Y.); (L.-W.S.); Tel.: +86-13811922096 (X.Y.); Fax: +86-10-82339349 (L.-W.S.)
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28
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Nakano M, Uenishi K, Nakamura Y, Takahashi J, Shiraki M. Distinct dietary risk factors for incident osteoporotic fractures in early and late postmenopausal phase women. J Bone Miner Metab 2023; 41:227-238. [PMID: 36715763 DOI: 10.1007/s00774-023-01400-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/05/2022] [Accepted: 01/02/2023] [Indexed: 01/31/2023]
Abstract
INTRODUCTION Available evidence on favorable nutritional factors for preventing osteoporosis remains controversial. Considering the recent increases in life expectancy, we investigated the relationship between incident osteoporotic fractures and dietary habits in early and late postmenopausal phase women. MATERIALS AND METHODS Subjects were Japanese postmenopausal outpatients recruited at a primary care institution in Nagano Prefecture (Nagano Cohort Study). Patients with critical or acute illness or secondary osteoporosis were not included in this study. In total, 1,071 participants were prospectively followed for a mean of 5.8 years. The cohort was divided into early (≤ 70 years) and late (> 70 years) postmenopausal phases based on median age. Dietary nutrient intake was estimated by the food frequency questionnaire method. According to baseline nutrient intake characteristics, we focused on protein/energy and Ca/NaCl intake ratios, which were also divided by the median values. RESULTS Kaplan-Meier plots revealed a significantly higher occurrence of fractures for the high protein/energy intake group in early postmenopausal subjects (P = 0.009), whereas the low Ca/NaCl intake group in late postmenopausal subjects exhibited a significantly earlier occurrence of fractures (P = 0.002). Multivariate Cox regression uncovered significant independent risks of higher protein/energy (HR 1.35; 95% CI 1.04-1.74) and lower Ca/NaCl (HR 0.79; 95% CI 0.63-0.99) intake ratios for incident osteoporotic fractures in the early and late postmenopausal cohorts, respectively. CONCLUSION Distinct dietary risk factors for osteoporotic fractures were identified in early and late postmenopausal phase women. Appropriate nutritional guidance according to patient age will be important for maintaining bone health and quality of life.
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Affiliation(s)
- Masaki Nakano
- Department of Orthopaedic Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Kazuhiro Uenishi
- Division of Nutritional Physiology, Kagawa Nutrition University, Sakado, Saitama, 350-0288, Japan
| | - Yukio Nakamura
- Department of Orthopaedic Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan.
| | - Jun Takahashi
- Department of Orthopaedic Surgery, Shinshu University School of Medicine, 3-1-1 Asahi, Matsumoto, Nagano, 390-8621, Japan
| | - Masataka Shiraki
- Research Institute and Practice for Involutional Diseases, Azumino, Nagano, 399-8101, Japan
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An Overview of Collagen-Based Composite Scaffold for Bone Tissue Engineering. Appl Biochem Biotechnol 2023:10.1007/s12010-023-04318-y. [PMID: 36652090 DOI: 10.1007/s12010-023-04318-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/06/2023] [Indexed: 01/19/2023]
Abstract
Bone regeneration or restoration is a series of well-ordered physiological activities that occur throughout a person's life, they are continuously being repaired and remodeled. A conventional bone repair procedure, such as autograft and allograft bone transplant, has failed to address bone reconstruction disputes and complexity. On the other hand, Tissue Engineering is a potential therapy option for repairing rather than replacing the damaged tissue. Biomaterials in bone tissue engineering (BTE) help pave the way for damaged tissues as an artificial extracellular matrix, facilitating new tissue growth. Collagen-based biomaterials for repair and replacement have inspired much interest in the hunt for versatile biomaterials compatible with human tissue. It is a major organic component of extracellular matrix in bone and has been employed as scaffolding material in BTE for decades. In this review, we documented the role of collagen in BTE, focusing on collagen type I, its crosslinking capability, collagen-based biomaterials, and fabrication methods. It also considers osteoblast citration a critical process in bone formation, a unique perspective for an old relationship.
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30
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Kumari S, Katiyar S, Darshna, Anand A, Singh D, Singh BN, Mallick SP, Mishra A, Srivastava P. Design strategies for composite matrix and multifunctional polymeric scaffolds with enhanced bioactivity for bone tissue engineering. Front Chem 2022; 10:1051678. [PMID: 36518978 PMCID: PMC9742444 DOI: 10.3389/fchem.2022.1051678] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2022] [Accepted: 11/14/2022] [Indexed: 09/19/2023] Open
Abstract
Over the past few decades, various bioactive material-based scaffolds were investigated and researchers across the globe are actively involved in establishing a potential state-of-the-art for bone tissue engineering applications, wherein several disciplines like clinical medicine, materials science, and biotechnology are involved. The present review article's main aim is to focus on repairing and restoring bone tissue defects by enhancing the bioactivity of fabricated bone tissue scaffolds and providing a suitable microenvironment for the bone cells to fasten the healing process. It deals with the various surface modification strategies and smart composite materials development that are involved in the treatment of bone tissue defects. Orthopaedic researchers and clinicians constantly focus on developing strategies that can naturally imitate not only the bone tissue architecture but also its functional properties to modulate cellular behaviour to facilitate bridging, callus formation and osteogenesis at critical bone defects. This review summarizes the currently available polymeric composite matrices and the methods to improve their bioactivity for bone tissue regeneration effectively.
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Affiliation(s)
- Shikha Kumari
- School of Biochemical Engineering, IIT BHU, Varanasi, India
| | - Soumya Katiyar
- School of Biochemical Engineering, IIT BHU, Varanasi, India
| | - Darshna
- School of Biochemical Engineering, IIT BHU, Varanasi, India
| | - Aditya Anand
- School of Biochemical Engineering, IIT BHU, Varanasi, India
| | - Divakar Singh
- School of Biochemical Engineering, IIT BHU, Varanasi, India
| | - Bhisham Narayan Singh
- Department of Ageing Research, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka, India
| | - Sarada Prasanna Mallick
- Department of Biotechnology, Koneru Lakshmaiah Education Foundation, Vaddeswaram, Andhra Pradesh, India
| | - Abha Mishra
- School of Biochemical Engineering, IIT BHU, Varanasi, India
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31
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Cronin DS, Watson B, Khor F, Gierczycka D, Malcolm S. Cortical bone continuum damage mechanics constitutive model with stress triaxiality criterion to predict fracture initiation and pattern. Front Bioeng Biotechnol 2022; 10:1022506. [PMID: 36324891 PMCID: PMC9618659 DOI: 10.3389/fbioe.2022.1022506] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 09/26/2022] [Indexed: 01/22/2023] Open
Abstract
A primary objective of finite element human body models (HBMs) is to predict response and injury risk in impact scenarios, including cortical bone fracture initiation, fracture pattern, and the potential to simulate post-fracture injury to underlying soft tissues. Current HBMs have been challenged to predict the onset of failure and bone fracture patterns owing to the use of simplified failure criteria. In the present study, a continuum damage mechanics (CDM) model, incorporating observed mechanical response (orthotropy, asymmetry, damage), was coupled to a novel phenomenological effective strain fracture criterion based on stress triaxiality and investigated to predict cortical bone response under different modes of loading. Three loading cases were assessed: a coupon level notched shear test, whole bone femur three-point bending, and whole bone femur axial torsion. The proposed material model and fracture criterion were able to predict both the fracture initiation and location, and the fracture pattern for whole bone and specimen level tests, within the variability of the reported experiments. There was a dependence of fracture threshold on finite element mesh size, where higher mesh density produced similar but more refined fracture patterns compared to coarser meshes. Importantly, the model was functional, accurate, and numerically stable even for relatively coarse mesh sizes used in contemporary HBMs. The proposed model and novel fracture criterion enable prediction of fracture initiation and resulting fracture pattern in cortical bone such that post-fracture response can be investigated in HBMs.
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Affiliation(s)
- D. S Cronin
- Department of MME, University of Waterloo, Waterloo, ON, Canada
- *Correspondence: D. S Cronin,
| | - B Watson
- Department of MME, University of Waterloo, Waterloo, ON, Canada
| | - F Khor
- Department of MME, University of Waterloo, Waterloo, ON, Canada
| | - D Gierczycka
- Department of MME, University of Waterloo, Waterloo, ON, Canada
| | - S Malcolm
- Honda Development and Manufacturing of America, Raymond, OH, United States
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32
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Endo T, Imagama S, Kato S, Kaito T, Sakai H, Ikegawa S, Kawaguchi Y, Kanayama M, Hisada Y, Koike Y, Ando K, Kobayashi K, Oda I, Okada K, Takagi R, Iwasaki N, Takahata M. Association Between Vitamin A Intake and Disease Severity in Early-Onset Heterotopic Ossification of the Posterior Longitudinal Ligament of the Spine. Global Spine J 2022; 12:1770-1780. [PMID: 33487053 PMCID: PMC9609524 DOI: 10.1177/2192568221989300] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
STUDY DESIGN A sex- and age-matched case-control study and a cross-sectional study. OBJECTIVE In our previous study, patients with early-onset (<50 years of age) ossification of the posterior longitudinal ligament (OPLL) had distinct features such as morbid obesity, a high prevalence of lifestyle-related diseases, and diffuse ossified lesions mainly affecting the thoracic spine. Our goals were to determine whether early-onset OPLL patients have unbalanced dietary habits and to identify nutritional factors associated with OPLL exacerbation. METHODS In Study 1, the simple brief-type self-administered diet history questionnaire (BDHQ) was used to compare nutrient intake levels of early-onset OPLL patients (n = 13) with those of sex- and age-matched non-OPLL controls (n = 39) or with those of common OPLL (onset age ≥ 50 years, n = 62). In Study 2, serological validation was conducted for thoracic OPLL patients (n = 77) and non-OPLL controls (n = 101) in a nationwide multicenter study in Japan. RESULTS The BDHQ showed that the early-onset OPLL patients had significantly lower intakes of vitamins A and B6 than non-OPLL controls. These results were validated by lower serum vitamins A and B6 levels in the early-onset thoracic OPLL patients. The severity of OPLL negatively correlated with serum vitamin A levels in male early-onset OPLL patients. The multiple regression analysis revealed that the severity of thoracic OPLL had an association with onset age and serum vitamin A level. CONCLUSIONS Vitamin A deficiency resulting from unbalanced dietary habits is associated with exacerbation of male early-onset OPLL.
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Affiliation(s)
- Tsutomu Endo
- Department of Orthopedic Surgery,
Hokkaido University Graduate School of Medicine, Kita-ku, Sapporo, Hokkaido,
Japan
| | - Shiro Imagama
- Department of Orthopedic Surgery, Nagoya
University Graduate School of Medicine, Showa Ward, Nagoya, Aichi, Japan
| | - Satoshi Kato
- Department of Orthopedic Surgery,
Kanazawa University Graduate School of Medical Sciences, Kanazawa, Ishikawa,
Japan
| | - Takashi Kaito
- Department of Orthopedic Surgery, Osaka
University Graduate School of Medicine, Suita, Osaka, Japan
| | - Hiroaki Sakai
- Department of Orthopedic Surgery, Japan
Organization of Occupational Health and Safety, Spinal Injuries Center, Iizuka,
Fukuoka, Japan
| | - Shiro Ikegawa
- Laboratory for Bone and Joint Diseases,
Center for Integrative Medical Sciences, RIKEN, Minato-ku, Tokyo, Japan
| | - Yoshiharu Kawaguchi
- Department of Orthopedic Surgery,
Faculty of Medicine, University of Toyama, Toyama, Japan
| | - Masahiro Kanayama
- Department of Orthopedics, Hakodate
Central General Hospital, Hakodate, Hokkaido, Japan
| | - Yuichiro Hisada
- Department of Orthopedic Surgery,
Hokkaido University Graduate School of Medicine, Kita-ku, Sapporo, Hokkaido,
Japan
| | - Yoshinao Koike
- Department of Orthopedic Surgery,
Hokkaido University Graduate School of Medicine, Kita-ku, Sapporo, Hokkaido,
Japan
| | - Kei Ando
- Department of Orthopedic Surgery, Nagoya
University Graduate School of Medicine, Showa Ward, Nagoya, Aichi, Japan
| | - Kazuyoshi Kobayashi
- Department of Orthopedic Surgery, Nagoya
University Graduate School of Medicine, Showa Ward, Nagoya, Aichi, Japan
| | - Itaru Oda
- Department of Spine Surgery, Hokkaido
Orthopedic Memorial Hospital, Toyohira-ku, Sapporo, Hokkaido, Japan
| | - Kazufumi Okada
- Clinical Research and Medical
Innovation Center, Hokkaido University Hospital, Kita-ku, Sapporo, Hokkaido,
Japan
| | - Ryo Takagi
- Clinical Research and Medical
Innovation Center, Hokkaido University Hospital, Kita-ku, Sapporo, Hokkaido,
Japan
| | - Norimasa Iwasaki
- Department of Orthopedic Surgery,
Hokkaido University Graduate School of Medicine, Kita-ku, Sapporo, Hokkaido,
Japan
| | - Masahiko Takahata
- Department of Orthopedic Surgery,
Hokkaido University Graduate School of Medicine, Kita-ku, Sapporo, Hokkaido,
Japan,Masahiko Takahata, Department of Orthopedic
Surgery, Hokkaido University Graduate School of Medicine, Kita-15 Nishi-7,
Kita-ku, Sapporo, Hokkaido 060-8638, Japan.
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Liu F, Hu K, Al-Qudsy LH, Wu LQ, Wang Z, Xu HY, Yang H, Yang PF. Aging exacerbates the morphological and mechanical response of mineralized collagen fibrils in murine cortical bone to disuse. Acta Biomater 2022; 152:345-354. [PMID: 36087867 DOI: 10.1016/j.actbio.2022.08.064] [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: 04/12/2022] [Revised: 07/25/2022] [Accepted: 08/28/2022] [Indexed: 11/17/2022]
Abstract
Mineralized collagen fibrils (MCFs) are the fundamental building blocks of bone tissue and contribute significantly to the mechanical behavior of bone. However, it is still largely unknown how the collagen network in bone responds to aging and the disuse normally accompanying it. Utilizing atomic force microscopy, nanoindentation and Raman spectroscopy, age-related alterations in the microstructure and mechanical properties of murine cortical tibia at multiple scales were investigated in this study. The potential difference in the responses of bone to disuse at different ages was studied. The results indicated that the age- and disuse-related alterations in bone initiate from MCFs in the bone matrix. The D-periodic spacing, radial elastic modulus of a single MCF and the mineral-to-matrix ratio on the cortical bone surface were larger in aged mice than in adult mice. Disuse, on the other hand, mainly has a major influence on aged mice, particularly on the morphology and mechanical properties of MCFs, but it only has modest effects on adult bone. These findings revealed insights into the morphological and mechanical adaptation of mineralized collagen fibrils in murine cortical bone to aging and disuse. STATEMENT OF SIGNIFICANCE: Bone is a complex structured composite material consisting of an interwoven framework of collagen fibrils reinforced by mineral particles and embedded in an extrafibrillar mineralized matrix. Utilizing atomic force microscopy, nanoindentation and Raman spectroscopy, this study suggests that the effects of aging, as well as the accompanying disuse, on the morphology and mechanical properties of bone initiate from the mineralized collagen fibril level. More interestingly, the MCF in the bone of aged mice seems to be more sensitive to disuse than that in adult mice. These findings significantly further the current understanding of the adaptation process of bone to aging at the mineralized collagen fibril level and provide direct insights into the physiological response of bone to aging and the abnormal mechanical environment.
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Affiliation(s)
- Fa Liu
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Ke Hu
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Luban H Al-Qudsy
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Lan-Qin Wu
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Zhe Wang
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Hui-Yun Xu
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Hui Yang
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Peng-Fei Yang
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China.
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Licini C, Notarstefano V, Marchi S, Cerqueni G, Ciapetti G, Vitale‐Brovarone C, Giorgini E, Mattioli‐Belmonte M. Altered type I collagen networking in osteoporotic human femoral head revealed by histomorphometric and Fourier transform infrared imaging correlated analyses. Biofactors 2022; 48:1089-1110. [PMID: 35661288 PMCID: PMC9796100 DOI: 10.1002/biof.1870] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Accepted: 04/30/2022] [Indexed: 12/30/2022]
Abstract
Bone homeostasis is the equilibrium between organic and inorganic components of the extracellular matrix (ECM) and cells. Alteration of this balance has consequences on bone mass and architecture, resulting in conditions such as osteoporosis (OP). Given ECM protein mutual regulation and their effects on bone structure and mineralization, further insight into their expression is crucial to understanding bone biology under normal and pathological conditions. This study focused on Type I Collagen, which is mainly responsible for structural properties and mineralization of bone, and selected proteins implicated in matrix composition, mineral deposition, and cell-matrix interaction such as Decorin, Osteocalcin, Osteopontin, Bone Sialoprotein 2, Osteonectin and Transforming Growth Factor beta. We developed a novel multidisciplinary approach in order to assess bone matrix in healthy and OP conditions more comprehensively by exploiting the Fourier Transform Infrared Imaging (FTIRI) technique combined with histomorphometry, Sirius Red staining, immunohistochemistry, and Western Blotting. This innovatory procedure allowed for the analysis of superimposed tissue sections and revealed that the alterations in OP bone tissue architecture were associated with warped Type I Collagen structure and deposition but not with changes in the total protein amount. The detected changes in the expression and/or cooperative or antagonist role of Decorin, Osteocalcin, Osteopontin, and Bone Sialoprotein-2 indicate the deep impact of these NCPs on collagen features of OP bone. Overall, our strategy may represent a starting point for designing targeted clinical strategies aimed at bone mass preservation and sustain the FTIRI translational capability as upcoming support for traditional diagnostic methods.
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Affiliation(s)
- Caterina Licini
- Department of Clinical and Molecular Sciences (DISCLIMO)Università Politecnica delle MarcheAnconaItaly
- Department of Applied Science and TechnologyPolitecnico di TorinoTorinoItaly
| | - Valentina Notarstefano
- Department of Life and Environmental SciencesUniversità Politecnica delle MarcheAnconaItaly
| | - Saverio Marchi
- Department of Clinical and Molecular Sciences (DISCLIMO)Università Politecnica delle MarcheAnconaItaly
| | - Giorgia Cerqueni
- Department of Clinical and Molecular Sciences (DISCLIMO)Università Politecnica delle MarcheAnconaItaly
| | - Gabriela Ciapetti
- Laboratory of Nanobiotechnology (NaBi)IRCCS Istituto Ortopedico RizzoliBolognaItaly
| | | | - Elisabetta Giorgini
- Department of Life and Environmental SciencesUniversità Politecnica delle MarcheAnconaItaly
| | - Monica Mattioli‐Belmonte
- Department of Clinical and Molecular Sciences (DISCLIMO)Università Politecnica delle MarcheAnconaItaly
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35
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Fratzl-Zelman N, Hartmann MA, Gamsjaeger S, Rokidi S, Paschalis EP, Blouin S, Zwerina J. Bone Matrix Mineralization and Response to Burosumab in Adult Patients With X-Linked Hypophosphatemia: Results From the Phase 3, Single-Arm International Trial. J Bone Miner Res 2022; 37:1665-1678. [PMID: 35775373 DOI: 10.1002/jbmr.4641] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 05/20/2022] [Accepted: 06/25/2022] [Indexed: 11/06/2022]
Abstract
X-linked hypophosphatemia (XLH) is characterized by excess fibroblast growth factor 23 (FGF23) secretion, renal phosphate wasting, and low 1,25(OH)2 D3 . Adult patients present with osteomalacia, hypomineralized periosteocytic lesions, bone fragility, and pain. Burosumab is a fully human monoclonal FGF23 antibody approved for XLH treatment. UX023-CL304 was an open-label, phase 3 study investigating the effects of burosumab on osteomalacia in adults with XLH, who remained untreated at least 2 years prior enrollment. Here, we present the effect of burosumab on bone material properties. We analyzed transiliac bone biopsy samples from 11 individuals before and after 48 weeks of subcutaneous burosumab treatment (1.0 mg/kg administered every 4 weeks). We used quantitative backscattered electron imaging (qBEI) and Fourier transform infrared imaging (FTIRI) to assess bone mineralization density distribution (BMDD), mineralized bone volume, properties of the organic matrix, and size of periosteocytic lesions. The outcomes were compared with reference values from healthy adults and with four XLH patients either untreated or treated by conventional therapy. Prior to burosumab, the average mineralization in cancellous bone was lower than in healthy reference. CaLow, the fraction of lowly mineralized matrix, and CaHigh, the fraction of highly mineralized matrix, were both elevated resulting in a broad heterogeneity in mineralization (CaWidth). Burosumab resulted in a decrease of CaHigh toward normal range, whereas CaLow and CaWidth remained elevated. The mineralized bone volume was notably increased (+35.9%). The size of the periosteocytic lesions was variable but lower than in untreated XLH patients. FTIRI indicated decreased enzymatic collagen crosslink ratio heterogeneity. In summary, matrix mineralization in XLH is very heterogeneous. Highly mineralized regions represent old bone packets, probably protected from osteoclastic resorption by osteoid seams. The concomitant decrease of highly mineralized matrix, persistence of lowly mineralized matrix, and increase in mineralized bone volume after burosumab suggest a boost in mineralization of preexisting unmineralized or very lowly mineralized matrix, providing a potential explanation for previously observed improved osteomalacia. © 2022 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Nadja Fratzl-Zelman
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med Department Hanusch Hospital, Vienna, Austria.,Vienna Bone and Growth Center, Vienna, Austria
| | - Markus A Hartmann
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med Department Hanusch Hospital, Vienna, Austria.,Vienna Bone and Growth Center, Vienna, Austria
| | - Sonja Gamsjaeger
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med Department Hanusch Hospital, Vienna, Austria
| | - Stamatia Rokidi
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med Department Hanusch Hospital, Vienna, Austria
| | - Eleftherios P Paschalis
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med Department Hanusch Hospital, Vienna, Austria.,Vienna Bone and Growth Center, Vienna, Austria
| | - Stéphane Blouin
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med Department Hanusch Hospital, Vienna, Austria.,Vienna Bone and Growth Center, Vienna, Austria
| | - Jochen Zwerina
- Ludwig Boltzmann Institute of Osteology at Hanusch Hospital of OEGK and AUVA Trauma Centre Meidling, 1st Med Department Hanusch Hospital, Vienna, Austria.,Vienna Bone and Growth Center, Vienna, Austria
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36
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Liu H, Wang G, Wu T, Hu J, Mu Y, Gu W. Association of skin autofluorescence with low bone density/osteoporosis and osteoporotic fractures in type 2 diabetes mellitus. J Diabetes 2022; 14:571-585. [PMID: 36058895 PMCID: PMC9512774 DOI: 10.1111/1753-0407.13309] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/09/2022] [Revised: 07/22/2022] [Accepted: 08/10/2022] [Indexed: 11/28/2022] Open
Abstract
BACKGROUND Advanced glycation end products (AGEs) that abnormally accumulate in diabetic patients have been reported to damage bone health. We aimed to investigate the association between skin autofluorescence (SAF)-AGEage (SAF - AGEs × age/100) and low bone density (LBD)/osteoporosis or major osteoporotic fractures (MOFs) in patients with type 2 diabetes mellitus (T2DM). METHODS This study was nested in the prospective REACTION (Risk Evaluation of Cancers in Chinese Diabetic Individuals) study and included 1214 eligible participants. SAF was used to measure skin AGEs (SAF-AGEs). Fracture events were determined by an in-person clinical follow-up. Binary logistic regression analysis, linear regression analysis, and a restricted cubic spline nested in logistic models were used to test outcomes. RESULTS The overall prevalence of LBD/osteoporosis in middle-aged or elderly T2DM patients was 35.7% (n = 434), and the overall incidence of MOFs was 10.5% (n = 116). Logistic analysis showed a significantly positive relationship between quartiles of SAF-AGEage and the risk of LBD/osteoporosis (odds ratio [OR] 2.02, 95% CI 1.34-3.03; OR 3.63, CI 2.44-5.39; and OR 6.51, CI 4.34-9.78) for the multivariate-adjusted models, respectively. SAF-AGEage was associated with MOFs with a multivariate-adjusted OR of 1.02 (CI 0.52-2.02), 2.42 (CI 1.32-4.46), and 2.70 (CI 1.48-4.91), respectively. Stratified analyses showed that SAF-AGEage was significantly associated with MOFs only in females, nonsmokers, nondrinkers, individuals with lower body mass index, and those without LBD/osteoporosis. Linear regression analyses showed that higher SAF-AGEs were associated with a higher level of serum N-terminal propeptide of type I procollagen (s-PINP) and serum carboxy-terminal cross-linking peptide of type I collagen (s-CTX), with a multivariate-adjusted OR of 1.02 (CI 0.24-1.80) and 6.30 (CI 1.77-10.83), respectively. CONCLUSIONS In conclusion, SAF-AGEage was positively associated with the prevalence of LBD/osteoporosis or MOFs in patients with T2DM. A positive association between SAF-AGEs and the level of s-PINP and s-CTX was found.
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Affiliation(s)
- Hongyan Liu
- Department of EndocrinologyThe First Medical Center of Chinese PLA General HospitalBeijingChina
| | - Guoqi Wang
- Department of PediatricsThe First Medical Center of Chinese PLA General HospitalBeijingChina
| | - Ting Wu
- Department of EndocrinologyThe First Medical Center of Chinese PLA General HospitalBeijingChina
| | - Jia Hu
- Department of EndocrinologyThe First Medical Center of Chinese PLA General HospitalBeijingChina
| | - Yiming Mu
- Department of EndocrinologyThe First Medical Center of Chinese PLA General HospitalBeijingChina
| | - Weijun Gu
- Department of EndocrinologyThe First Medical Center of Chinese PLA General HospitalBeijingChina
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37
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Shao C, Liu Y, Li J, Liu Z, Zhao Y, Jing Y, Lv Z, Fu T, Wang Z, Li G. Up-regulated IL-17 and Tnf signaling in bone marrow cells of young male osteogenesis imperfecta mice. PeerJ 2022; 10:e13963. [PMID: 36032950 PMCID: PMC9415356 DOI: 10.7717/peerj.13963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Accepted: 08/08/2022] [Indexed: 01/19/2023] Open
Abstract
Osteogenesis imperfecta (OI) is a congenital bone dysplasia mainly caused by either defective production or assembly of type I collagen. The skeletal phenotypes especially fractures are often seen in OI adolescents. Studies have found that an increased number of osteoclasts and excessive bone resorption existed in collagen-related OI, which has not been well understood. Emerging evidence has suggested that inflammation may be associated with OI. We speculated that the bone marrow (BM) niche had similar inflammatory changes and performed RNA-sequencing (RNA-seq) in BM cells derived from young male mice to analyze the related differentially expressed genes (DEGs) and pathways. Data showed that there were 117 shared DEGs (Q ≤ 0.05, |log2FC| ≥ 1) in BM cells isolated from two types of OI murine models that respectively simulate different OI types. Gene Ontology (GO) (Q ≤ 0.05) analysis, Kyoto Encyclopedia of Genes and Genomes (KEGG) (Q ≤ 0.05) analysis and real-time PCR validation indicated the dysregulated biology process of cellular response to interferon (Ifn) together with upregulated IL-17 signaling, tumor necrosis factor (Tnf) signaling and osteoclast differentiation in OI BM niche. Either defective collagen production or abnormal collagen assembly shared similar alterations in gene profiles and pathways involving inflammation and osteoclast activation. Data presented here not only contributed to understanding of the mechanism of the enhanced bone absorption in the bones of OI, but also provided more evidence to develop potential anti-inflammation therapies.
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Affiliation(s)
| | - Yi Liu
- Tianjin Medical University, Tianjin, China
| | - Jiaci Li
- Tianjin Pediatric Research Institute, Tianjin Children’s Hospital, Tianjin, Longyan Road, Beichen District, Tianjin, China
| | - Ziyun Liu
- Tianjin Medical University, Tianjin, China
| | - Yuxia Zhao
- Tianjin Medical University, Tianjin, China
| | | | - Zhe Lv
- Tianjin Medical University, Tianjin, China
| | - Ting Fu
- Tianjin Medical University, Tianjin, China
| | - Zihan Wang
- Tianjin Medical University, Tianjin, China
| | - Guang Li
- Tianjin Medical University, Tianjin, China
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Ayala-Ham A, Aguilar-Medina M, León-Félix J, Romero-Quintana JG, Bermúdez M, López-Gutierrez J, Jiménez-Gastélum G, Avendaño-Félix M, Lizárraga-Verdugo E, Castillo-Ureta H, López-Camarillo C, Ramos-Payan R. Extracellular matrix hydrogel derived from bovine bone is biocompatible in vitro and in vivo. Biomed Mater Eng 2022; 33:491-504. [DOI: 10.3233/bme-211387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
BACKGROUND: Nowadays, biomaterials used as a scaffold must be easy to deliver in the bone defect area. Extracellular matrix (ECM) hydrogels are highly hydrated polymers that can fill irregular shapes and act as bioactive materials. OBJECTIVE: This work aims to show the effects of ECM hydrogels derived from bovine bone (bECMh) on proliferation, cytotoxicity and expression of pro-inflammatory cytokines in three cells types involved in tissue regeneration, as well as biocompatibility in vivo. METHODS: In vitro, we used an extract of bECMh to test it on macrophages, fibroblasts, and adipose-derived mesenchymal stem cells (AD-MCSs). Cell proliferation was measured using the MTT assay, cytotoxicity was measured by quantifying lactate dehydrogenase release and the Live/Dead Cell Imaging assays. Concentrations of IL-6, IL-10, IL-12p70, MCP-1 and TNF-α were quantified in the supernatants using a microsphere-based cytometric bead array. For in vivo analysis, Wistar rats were inoculated into the dorsal sub-dermis with bECMh, taking as reference the midline of the back. The specimens were sacrificed at 24 h for histological study. RESULTS: In vitro, this hydrogel behaves as a dynamic biomaterial that increases fibroblast proliferation, induces the production of pro-inflammatory cytokines in macrophages, among which MCP-1 and TNF-α stand out. In vivo, bECMh allows the colonization of host fibroblast-like and polymorphonuclear cells, without tissue damage or inflammation. CONCLUSIONS: The results indicate that bECMh is a biocompatible material that could be used as a scaffold, alone or in conjunction with cells or functional biomolecules, enhancing proliferation and allowing the filling of bone defects to its further regeneration.
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Affiliation(s)
- Alfredo Ayala-Ham
- , Autonomous University of Sinaloa, , Mexico
- , Autonomous University of Sinaloa, , Mexico
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Advanced Glycation End Products and Diabetes Mellitus: Mechanisms and Perspectives. Biomolecules 2022; 12:biom12040542. [PMID: 35454131 PMCID: PMC9030615 DOI: 10.3390/biom12040542] [Citation(s) in RCA: 146] [Impact Index Per Article: 73.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/28/2022] [Accepted: 03/31/2022] [Indexed: 02/06/2023] Open
Abstract
Persistent hyperglycemic state in type 2 diabetes mellitus leads to the initiation and progression of non-enzymatic glycation reaction with proteins and lipids and nucleic acids. Glycation reaction leads to the generation of a heterogeneous group of chemical moieties known as advanced glycated end products (AGEs), which play a central role in the pathophysiology of diabetic complications. The engagement of AGEs with its chief cellular receptor, RAGE, activates a myriad of signaling pathways such as MAPK/ERK, TGF-β, JNK, and NF-κB, leading to enhanced oxidative stress and inflammation. The downstream consequences of the AGEs/RAGE axis involve compromised insulin signaling, perturbation of metabolic homeostasis, RAGE-induced pancreatic beta cell toxicity, and epigenetic modifications. The AGEs/RAGE signaling instigated modulation of gene transcription is profoundly associated with the progression of type 2 diabetes mellitus and pathogenesis of diabetic complications. In this review, we will summarize the exogenous and endogenous sources of AGEs, their role in metabolic dysfunction, and current understandings of AGEs/RAGE signaling cascade. The focus of this review is to recapitulate the role of the AGEs/RAGE axis in the pathogenesis of type 2 diabetes mellitus and its associated complications. Furthermore, we present an overview of future perspectives to offer new therapeutic interventions to intervene with the AGEs/RAGE signaling pathway and to slow down the progression of diabetes-related complications.
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Sacher SE, Hunt HB, Lekkala S, Lopez KA, Potts J, Heilbronner AK, Stein EM, Hernandez CJ, Donnelly E. Distributions of Microdamage Are Altered Between Trabecular Rods and Plates in Cancellous Bone From Men With Type 2 Diabetes Mellitus. J Bone Miner Res 2022; 37:740-752. [PMID: 35064941 PMCID: PMC9833494 DOI: 10.1002/jbmr.4509] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/31/2021] [Revised: 01/07/2022] [Accepted: 01/11/2022] [Indexed: 01/13/2023]
Abstract
Individuals with type 2 diabetes mellitus (T2DM) have an increased risk of fragility fracture despite exhibiting normal to high bone mineral density (BMD). Conditions arising from T2DM, such as reduced bone turnover and alterations in microarchitecture, may contribute to skeletal fragility by influencing bone morphology and microdamage accumulation. The objectives of this study were (i) to characterize the effect of T2DM on microdamage quantity and morphology in cancellous bone, and (ii) relate the accumulation of microdamage to the cancellous microarchitecture. Cancellous specimens from the femoral neck were collected during total hip arthroplasty (T2DM: n = 22, age = 65 ± 9 years, glycated hemoglobin [HbA1c] = 7.00% ± 0.98%; non-diabetic [non-DM]: n = 25, age = 61 ± 8 years, HbA1c = 5.50% ± 0.4%), compressed to 3% strain, stained with lead uranyl acetate to isolate microdamage, and scanned with micro-computed tomography (μCT). Individual trabeculae segmentation was used to isolate rod-like and plate-like trabeculae and their orientations with respect to the loading axis. The T2DM group trended toward a greater BV/TV (+27%, p = 0.07) and had a more plate-like trabecular architecture (+8% BVplates , p = 0.046) versus non-DM specimens. Rods were more damaged relative to their volume compared to plates in the non-DM group (DVrods /BVrods versus DVplates /BVplates : +49%, p < 0.0001), but this difference was absent in T2DM specimens. Longitudinal rods were more damaged in the non-DM group (DVlongitudinal rods /BVlongitudinal rods : +73% non-DM versus T2DM, p = 0.027). Total damage accumulation (DV/BV) and morphology (DS/DV) did not differ in T2DM versus non-DM specimens. These results provide evidence that cancellous microarchitecture does not explain fracture risk in T2DM, pointing to alterations in material matrix properties. In particular, cancellous bone from men with T2DM may have an attenuated ability to mitigate microdamage accumulation through sacrificial rods. © 2022 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Sara E Sacher
- Department of Materials Science and Engineering, Cornell University, Ithaca, NY, USA
| | - Heather B Hunt
- Department of Materials Science and Engineering, Cornell University, Ithaca, NY, USA
| | - Sashank Lekkala
- Department of Materials Science and Engineering, Cornell University, Ithaca, NY, USA
| | - Kelsie A Lopez
- Department of Materials Science and Engineering, Cornell University, Ithaca, NY, USA
| | - Jesse Potts
- Department of Materials Science and Engineering, Cornell University, Ithaca, NY, USA
| | - Alison K Heilbronner
- Department of Medicine, Endocrinology and Metabolic Bone Service, Hospital for Special Surgery, New York, NY, USA
| | - Emily M Stein
- Department of Medicine, Endocrinology and Metabolic Bone Service, Hospital for Special Surgery, New York, NY, USA
| | - Christopher J Hernandez
- Research Division, Hospital for Special Surgery, New York, NY, USA.,Sibley School of Mechanical and Aerospace Engineering, Cornell University, Ithaca, NY, USA
| | - Eve Donnelly
- Department of Materials Science and Engineering, Cornell University, Ithaca, NY, USA.,Research Division, Hospital for Special Surgery, New York, NY, USA
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Bertassoni LE. Bioprinting of Complex Multicellular Organs with Advanced Functionality-Recent Progress and Challenges Ahead. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2022; 34:e2101321. [PMID: 35060652 PMCID: PMC10171718 DOI: 10.1002/adma.202101321] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/16/2021] [Revised: 04/20/2021] [Indexed: 05/12/2023]
Abstract
Bioprinting has emerged as one of the most promising strategies for fabrication of functional organs in the lab as an alternative to transplant organs. While progress in the field has mostly been restricted to a few miniaturized tissues with minimal biological functionality until a few years ago, recent progress has advanced the concept of building three-dimensional multicellular organ complexity remarkably. This review discusses a series of milestones that have paved the way for bioprinting of tissue constructs that have advanced levels of biological and architectural functionality. Critical materials, engineering and biological challenges that are key to addressing the desirable function of engineered organs are presented. These are discussed in light of the many difficulties to replicate the heterotypic organization of multicellular solid organs, the nanoscale precision of the extracellular microenvironment in hierarchical tissues, as well as the advantages and limitations of existing bioprinting methods to adequately overcome these barriers. In summary, the advances of the field toward realistic manufacturing of functional organs have never been so extensive, and this manuscript serves as a road map for some of the recent progress and the challenges ahead.
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Affiliation(s)
- Luiz E Bertassoni
- Division of Biomaterials and Biomechanics, School of Dentistry, Oregon Health and Science University, Portland, OR, 97201, USA
- Department of Biomedical Engineering, School of Medicine, Oregon Health and Science University, Portland, OR, 97239, USA
- Center for Regenerative Medicine, Oregon Health and Science University, Portland, OR, 97239, USA
- Cancer Early Detection Advanced Research (CEDAR), Knight Cancer Institute, Oregon Health and Science University, Portland, OR, 97239, USA
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Stoetzel S, Malhan D, Wild U, Helbing C, Hassan F, Attia S, Jandt KD, Heiss C, El Khassawna T. Osteocytes Influence on Bone Matrix Integrity Affects Biomechanical Competence at Bone-Implant Interface of Bioactive-Coated Titanium Implants in Rat Tibiae. Int J Mol Sci 2021; 23:374. [PMID: 35008800 PMCID: PMC8745552 DOI: 10.3390/ijms23010374] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 12/23/2021] [Accepted: 12/28/2021] [Indexed: 02/07/2023] Open
Abstract
Osseointegration is a prerequisite for the long-term success of implants. Titanium implants are preferred for their biocompatibility and mechanical properties. Nonetheless, the need for early and immediate loading requires enhancing these properties by adding bioactive coatings. In this preclinical study, extracellular matrix properties and cellular balance at the implant/bone interface was examined. Polyelectrolyte multilayers of chitosan and gelatin or with chitosan and Hyaluronic acid fabricated on titanium alloy using a layer-by-layer self-assembly process were compared with native titanium alloy. The study aimed to histologically evaluate bone parameters that correlate to the biomechanical anchorage enhancement resulted from bioactive coatings of titanium implants in a rat animal model. Superior collagen fiber arrangements and an increased number of active osteocytes reflected a significant improvement of bone matrix quality at the bone interface of the chitosan/gelatin-coated titan implants over chitosan/hyaluronic acid-coated and native implants. Furthermore, the numbers and localization of osteoblasts and osteoclasts in the reparative and remodeling phases suggested a better cellular balance in the chitosan/Gel-coated group over the other two groups. Investigating the micro-mechanical properties of bone tissue at the interface can elucidate detailed discrepancies between different promising bioactive coatings of titanium alloys to maximize their benefit in future medical applications.
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Affiliation(s)
- Sabine Stoetzel
- Experimental Trauma Surgery, Faculty of Medicine, Justus-Liebig-University, Aulweg 128, 35392 Giessen, Germany; (S.S.); (D.M.); (U.W.); (F.H.); (C.H.)
| | - Deeksha Malhan
- Experimental Trauma Surgery, Faculty of Medicine, Justus-Liebig-University, Aulweg 128, 35392 Giessen, Germany; (S.S.); (D.M.); (U.W.); (F.H.); (C.H.)
| | - Ute Wild
- Experimental Trauma Surgery, Faculty of Medicine, Justus-Liebig-University, Aulweg 128, 35392 Giessen, Germany; (S.S.); (D.M.); (U.W.); (F.H.); (C.H.)
| | - Christian Helbing
- Chair of Materials Science (CMS), Otto Schott Institute of Materials Research (OSIM), Faculty of Physics and Astronomy, Friedrich Schiller University Jena, Löbdergraben 32, 07743 Jena, Germany; (C.H.); (K.D.J.)
| | - Fathi Hassan
- Experimental Trauma Surgery, Faculty of Medicine, Justus-Liebig-University, Aulweg 128, 35392 Giessen, Germany; (S.S.); (D.M.); (U.W.); (F.H.); (C.H.)
| | - Sameh Attia
- Department of Oral and Maxillofacial Surgery, Justus-Liebig University of Giessen, Klinikstrasse 33, 35392 Giessen, Germany;
| | - Klaus D. Jandt
- Chair of Materials Science (CMS), Otto Schott Institute of Materials Research (OSIM), Faculty of Physics and Astronomy, Friedrich Schiller University Jena, Löbdergraben 32, 07743 Jena, Germany; (C.H.); (K.D.J.)
| | - Christian Heiss
- Experimental Trauma Surgery, Faculty of Medicine, Justus-Liebig-University, Aulweg 128, 35392 Giessen, Germany; (S.S.); (D.M.); (U.W.); (F.H.); (C.H.)
- Department of Trauma, Hand and Reconstructive Surgery, Justus-Liebig University Giessen, Rudolf-Buchheim-Strasse 7, 35392 Giessen, Germany
| | - Thaqif El Khassawna
- Experimental Trauma Surgery, Faculty of Medicine, Justus-Liebig-University, Aulweg 128, 35392 Giessen, Germany; (S.S.); (D.M.); (U.W.); (F.H.); (C.H.)
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The Regulation of Collagen Processing by miRNAs in Disease and Possible Implications for Bone Turnover. Int J Mol Sci 2021; 23:ijms23010091. [PMID: 35008515 PMCID: PMC8745169 DOI: 10.3390/ijms23010091] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/20/2021] [Accepted: 12/21/2021] [Indexed: 12/15/2022] Open
Abstract
This article describes several recent examples of miRNA governing the regulation of the gene expression involved in bone matrix construction. We present the impact of miRNA on the subsequent steps in the formation of collagen type I. Collagen type I is a main factor of mechanical bone stiffness because it constitutes 90–95% of the organic components of the bone. Therefore, the precise epigenetic regulation of collagen formation may have a significant influence on bone structure. We also describe miRNA involvement in the expression of genes, the protein products of which participate in collagen maturation in various tissues and cancer cells. We show how non-collagenous proteins in the extracellular matrix are epigenetically regulated by miRNA in bone and other tissues. We also delineate collagen mineralisation in bones by factors that depend on miRNA molecules. This review reveals the tissue variability of miRNA regulation at different levels of collagen maturation and mineralisation. The functionality of collagen mRNA regulation by miRNA, as proven in other tissues, has not yet been shown in osteoblasts. Several collagen-regulating miRNAs are co-expressed with collagen in bone. We suggest that collagen mRNA regulation by miRNA could also be potentially important in bone metabolism.
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Abstract
Raman spectroscopy (RS) is used to analyze the physiochemical properties of bone because it is non-destructive and requires minimal sample preparation. With over two decades of research involving measurements of mineral-to-matrix ratio, type-B carbonate substitution, crystallinity, and other compositional characteristics of the bone matrix by RS, there are multiple methods to acquire Raman signals from bone, to process those signals, and to determine peak ratios including sub-peak ratios as well as the full-width at half maximum of the most prominent Raman peak, which is nu1 phosphate (ν1PO4). Selecting which methods to use is not always clear. Herein, we describe the components of RS instruments and how they influence the quality of Raman spectra acquired from bone because signal-to-noise of the acquisition and the accompanying background fluorescence dictate the pre-processing of the Raman spectra. We also describe common methods and challenges in preparing acquired spectra for the determination of matrix properties of bone. This article also serves to provide guidance for the analysis of bone by RS with examples of how methods for pre-processing the Raman signals and for determining properties of bone composition affect RS sensitivity to potential differences between experimental groups. Attention is also given to deconvolution methods that are used to ascertain sub-peak ratios of the amide I band as a way to assess characteristics of collagen type I. We provide suggestions and recommendations on the application of RS to bone with the goal of improving reproducibility across studies and solidify RS as a valuable technique in the field of bone research.
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Affiliation(s)
- Mustafa Unal
- Department of Mechanical Engineering, Karamanoglu Mehmetbey University, Karaman, 70200, Turkey.
- Department of Bioengineering, Karamanoglu Mehmetbey University, Karaman, Turkey 70200
- Department of Biophysics, Faculty of Medicine, Karamanoglu Mehmetbey University, Karaman, Turkey 70200
| | - Rafay Ahmed
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
| | - Anita Mahadevan-Jansen
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
- Vanderbilt Biophotonics Center, Vanderbilt University, Nashville, TN 37235, USA
- Department of Neurological Surgery, Vanderbilt University Medical Center, Nashville, TN 37232, USA
- Department of Otolaryngology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
- Department of Surgery, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Jeffry S Nyman
- Department of Orthopaedic Surgery, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
- Department of Biomedical Engineering, Vanderbilt University, Nashville, TN 37235, USA
- Center for Bone Biology, Vanderbilt University Medical Center, Nashville, TN 37232, USA
- Department of Veterans Affairs, Tennessee Valley Healthcare System, Nashville, TN 37212, USA
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Sroga GE, Vashishth D. Controlled Formation of Carboxymethyllysine in Bone Matrix through Designed Glycation Reaction. JBMR Plus 2021; 5:e10548. [PMID: 34761150 PMCID: PMC8567485 DOI: 10.1002/jbm4.10548] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2020] [Revised: 08/08/2021] [Accepted: 08/24/2021] [Indexed: 01/15/2023] Open
Abstract
It has been a challenge to establish a link between specific advanced glycation end products (AGEs) as causal agents of different pathologies and age‐related diseases, primarily because of the lack of suitable in vitro experimental strategies facilitating increased formation of a specific AGE, here carboxymethyllysine (CML), over other AGEs under controlled conditions. CML is of considerable importance to various oxidative stress–related diseases, because in vivo formation of this AGE is connected with cellular oxidative/carbonyl metabolism. The mechanistic implications of CML accumulation in bone remain to be elucidated. To facilitate such studies, we developed a new in vitro strategy that allows preferential generation of CML in bone matrix over other AGEs. Using bone samples from human donors of different age (young, middle‐age, and elderly), we show successful in vitro generation of the desired levels of CML and show that they mimic those observed in vivo in several bone disorders. Formation of such physiologically relevant CML levels was achieved by selecting two oxidative/carbonyl stress compounds naturally produced in the human body, glyoxal and glyoxylic acid. Kinetic studies using the two compounds revealed differences not only between their reaction rates but also in the progression and enhanced formation of CML over other AGEs (measured by their collective fluorescence as fluorescent AGEs [fAGEs]) Consequently, through the regulation of reaction time, the levels of CML and fAGEs could be controlled and separated. Given that the developed approach does not fully eliminate the formation of other uncharacterized glycation products, this could be considered as the study limitation. We expect that the concepts of our experimental approach can be used to develop diverse strategies facilitating production of the desired levels of selected AGEs in bone and other tissues, and thus, opens new avenues for investigating the role and mechanistic aspects of specific AGEs, here CML, in bone. © 2021 The Authors. JBMR Plus published by Wiley Periodicals LLC on behalf of American Society for Bone and Mineral Research.
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Affiliation(s)
- Grażyna E Sroga
- Department of Biomedical Engineering Rensselaer Polytechnic Institute, Center for Biotechnology and Interdisciplinary Studies Troy NY USA
| | - Deepak Vashishth
- Department of Biomedical Engineering Rensselaer Polytechnic Institute, Center for Biotechnology and Interdisciplinary Studies Troy NY USA
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Yoshii I, Chijiwa T, Sawada N, Kokei S. Musculoskeletal ambulation disability symptom complex as a risk factor of incident bone fragility fracture. Osteoporos Sarcopenia 2021; 7:115-120. [PMID: 34632115 PMCID: PMC8486644 DOI: 10.1016/j.afos.2021.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/01/2021] [Revised: 09/03/2021] [Accepted: 09/11/2021] [Indexed: 11/15/2022] Open
Abstract
Objectives Influence of presenting musculoskeletal ambulation disability symptom complex (MADS) on occurrence of bone fragility fracture (BFF) is investigated with retrospective cohort study. Methods A total of 931 subjects joined in the study. Subjects were selected as bone fragility risk positive in the fracture assessment tool questionnaire. Their assumed risk factors were harvested from the medical records and X-ray pictures. They were followed up at least 8 years consecutively, and occurrence of incident BFF was set as primary endpoint. Each assumed risk factor including MADS was evaluated using Cox regression analysis. Subjects were divided into 2 groups according to presence of MADS (G-MADS and G-noMADS). Adjusted hazard ratios between the 2 groups was evaluated using Cox regression analysis. The statistical procedures were performed before and after propensity score matching (PSM) procedures in order to make parallel with assumed risk factors. Results Statistically significant risk factors within 5% were prevalent vertebral body fracture, disuse, MADS, cognitive disorder, hypertension, contracture, Parkinsonism, being female sex, hyperlipidemia, insomnia, T-score in the femoral neck ≤ −2.3, chronic kidney disease ≥ stage 2, chronic obstructive pulmonary diseases, glucocorticoid steroid administrated, and osteoarthritis in order of the adjusted hazard ratios (from highest to lowest). Adjusted hazard ratios between G-MADS and G-noMADS were 2.70 and 1.83 for before and after PSM, respectively. Conclusions MADS demonstrated as a significant risk factor of BFF occurrence. In treating osteoporosis, fall risk should be aware of as well as bone fragility risk.
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Affiliation(s)
- Ichiro Yoshii
- Department of Rheumatology and Musculoskeletal Medicine, Yoshii Hospital, Shimanto City, 787-0033, Kochi Prefecture, Japan
- Corresponding author. 6-7-5 Nakamura-Ohashidori, Shimanto City, 787-0033, Kochi Prefecture, Japan.
| | - Tatsumi Chijiwa
- Department of Rheumatology, Kochi Memorial Hospital, Kochi, 780-0824, Kochi Prefecture, Japan
| | - Naoya Sawada
- Department of Rheumatology, Dohgo Onsen Hospital, Matsuyama, 790-0858, Ehime Prefecture, Japan
| | - Shohei Kokei
- Department of Internal Medicine, Yoshii Hospital, Shimanto City, 787-0033, Kochi Prefecture, Japan
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Park SY, Choi KH, Jun JE, Chung HY. Effects of Advanced Glycation End Products on Differentiation and Function of Osteoblasts and Osteoclasts. J Korean Med Sci 2021; 36:e239. [PMID: 34581519 PMCID: PMC8476938 DOI: 10.3346/jkms.2021.36.e239] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2021] [Accepted: 08/03/2021] [Indexed: 01/22/2023] Open
Abstract
BACKGROUND Risk of fragility fractures increases in patients with diabetes mellitus, independent of bone mineral density. In the present study, the effects of advanced glycation end products (AGEs) on differentiation and function of osteoblasts and osteoclasts were investigated. METHODS AGEs and 25 mM glucose were administered to marrow-derived macrophages and MCT3T3-E1 cells. The effects of AGEs on osteoclast differentiation was investigated using tartrate-resistant acid phosphatase (TRAP) assay. The effects of AGEs on osteoblast differentiation was investigated using alkaline phosphatase (ALP) activity and bone nodule formation assays. Expression of osteoclast-specific and osteoblast-specific genes and effects on cell signaling pathways associated with cell differentiation were analyzed using reverse transcription polymerase chain reaction and western blotting. RESULTS AGEs significantly decreased TRAP-positive multinucleated cell formation in receptor activator of nuclear factor-κB ligand-induced marrow-derived macrophages in a dose-dependent manner. AGEs suppressed the expression of osteoclast-specific genes, JNK, p38, AKT, intercellular adhesion molecule 1, and lymphocyte function-associated antigen 1 in marrow-derived macrophages. AGEs decreased ALP activity and showed a tendency to decrease bone nodule formation in MC3T3-E1 cells. AGEs suppressed the expression of osteoblast-specific genes, lysyl hydroxylase and lysyl oxidase in MC3T3-E1 cells. CONCLUSION AGEs suppressed differentiation and function of osteoclasts and osteoblasts, and collagen cross-linking activity. It suggests that AGE may induce bone fragility through low bone turnover and deterioration of bone quality.
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Affiliation(s)
- So Young Park
- Department of Endocrinology and Metabolism, Kyung Hee University Hospital, Seoul, Korea
| | | | - Ji Eun Jun
- Department of Endocrinology and Metabolism, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Korea
| | - Ho Yeon Chung
- Department of Endocrinology and Metabolism, Kyung Hee University Hospital at Gangdong, Kyung Hee University School of Medicine, Seoul, Korea.
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Yoshii I, Sawada N, Chijiwa T, Kokei S. Impact of sustaining SDAI remission for preventing incident of bone fragility fracture in patient with rheumatoid arthritis. Ann Rheum Dis 2021; 81:296-299. [PMID: 34509991 DOI: 10.1136/annrheumdis-2021-221093] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 08/31/2021] [Indexed: 01/22/2023]
Affiliation(s)
- Ichiro Yoshii
- Musculoskeletal Medicine, Yoshii Hospital, Shimanto-City, Kochi, Japan
| | - Naoya Sawada
- Department of Rheumatology, Dohgo-Onsen Hospital Rheumatology Center, Matsuyama, Ehime, Japan
| | - Tatsumi Chijiwa
- Department of Rheumatology, Kochi Memorial Hospital, Kochi, Kochi, Japan
| | - Shohei Kokei
- Department of Internal Medicine, Yoshii Hospital, Shimanto-City, Kochi, Japan
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Kirchner M, Deng H, Xu Y. Heterogeneity in proline hydroxylation of fibrillar collagens observed by mass spectrometry. PLoS One 2021; 16:e0250544. [PMID: 34464391 PMCID: PMC8407550 DOI: 10.1371/journal.pone.0250544] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Accepted: 06/28/2021] [Indexed: 01/22/2023] Open
Abstract
Collagen is the major protein in the extracellular matrix and plays vital roles in tissue development and function. Collagen is also one of the most processed proteins in its biosynthesis. The most prominent post-translational modification (PTM) of collagen is the hydroxylation of Pro residues in the Y-position of the characteristic (Gly-Xaa-Yaa) repeating amino acid sequence of a collagen triple helix. Recent studies using mass spectrometry (MS) and tandem MS sequencing (MS/MS) have revealed unexpected hydroxylation of Pro residues in the X-positions (X-Hyp). The newly identified X-Hyp residues appear to be highly heterogeneous in location and percent occupancy. In order to understand the dynamic nature of the new X-Hyps and their potential impact on applications of MS and MS/MS for collagen research, we sampled four different collagen samples using standard MS and MS/MS techniques. We found considerable variations in the degree of PTMs of the same collagen from different organisms and/or tissues. The rat tail tendon type I collagen is particularly variable in terms of both over-hydroxylation of Pro in the X-position and under-hydroxylation of Pro in the Y-position. In contrast, only a few unexpected PTMs in collagens type I and type III from human placenta were observed. Some observations are not reproducible between different sequencing efforts of the same sample, presumably due to a low population and/or the unpredictable nature of the ionization process. Additionally, despite the heterogeneous preparation and sourcing, collagen samples from commercial sources do not show elevated variations in PTMs compared to samples prepared from a single tissue and/or organism. These findings will contribute to the growing body of information regarding the PTMs of collagen by MS technology, and culminate to a more comprehensive understanding of the extent and the functional roles of the PTMs of collagen.
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Affiliation(s)
- Michele Kirchner
- Department of Chemistry, Hunter College of CUNY, New York, NY, United States of America
- The Graduate Center, The City University of New York, New York, NY, United States of America
| | - Haiteng Deng
- Proteomics Resource Center, The Rockefeller University, New York, NY, United States of America
| | - Yujia Xu
- Department of Chemistry, Hunter College of CUNY, New York, NY, United States of America
- The Graduate Center, The City University of New York, New York, NY, United States of America
- * E-mail:
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Safdari M, Bibak B, Soltani H, Hashemi J. Recent advancements in decellularized matrix technology for bone tissue engineering. Differentiation 2021; 121:25-34. [PMID: 34454348 DOI: 10.1016/j.diff.2021.08.004] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Revised: 08/17/2021] [Accepted: 08/20/2021] [Indexed: 12/11/2022]
Abstract
The native extracellular matrix (ECM) provides a matrix to hold tissue/organ, defines the cellular fate and function, and retains growth factors. Such a matrix is considered as a most biomimetic scaffold for tissue engineering due to the biochemical and biological components, 3D hierarchical structure, and physicomechanical properties. Several attempts have been performed to decellularize allo- or xeno-graft tissues and used them for bone repairing and regeneration. Decellularized ECM (dECM) technology has been developed to create an in vivo-like microenvironment to promote cell adhesion, growth, and differentiation for tissue repair and regeneration. Decellularization is mediated through physical, chemical, and enzymatic methods. In this review, we describe the recent progress in bone decellularization and their applications as a scaffold, hydrogel, bioink, or particles in bone tissue engineering. Furthermore, we address the native dECM limitations and the potential of non-bone dECM, cell-based ECM, and engineered ECM (eECM) for in vitro osteogenic differentiation and in vivo bone regeneration.
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Affiliation(s)
- Mohammadreza Safdari
- Department of Surgery, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Bahram Bibak
- Department of Physiology and Pharmacology, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran; Research Center of Natural Products Safety and Medicinal Plants, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Hoseinali Soltani
- Department of General Surgery, Imam Ali Hospital, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Javad Hashemi
- Research Center of Natural Products Safety and Medicinal Plants, North Khorasan University of Medical Sciences, Bojnurd, Iran; Department of Pathobiology and Laboratory Sciences, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran.
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