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Kang JH, Baek JH, Lee JK, Hong SW. Transcriptional Profiling of Muscle in Females With Distal Radius Fracture and Functional Sarcopenia. J Gerontol A Biol Sci Med Sci 2024; 79:glae002. [PMID: 38190405 PMCID: PMC10919888 DOI: 10.1093/gerona/glae002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Indexed: 01/10/2024] Open
Abstract
Skeletal muscle and bone interact with each other in mechanical and biochemical ways. This study aimed to investigate the molecular mechanisms of interaction between muscle and bone by analyzing the transcriptional profiles of total RNA from the muscle tissue of females with distal radius fractures. A total of 30 female participants (mean age 71.1 ± 8.9 years) with distal radius fractures were recruited. Participants were categorized into 2 groups: the NORM group consisted of participants with T score of the areal bone mineral density (aBMD) of the femoral neck higher than -1.0, handgrip strength greater than 18 kg, and gait speed faster than 1.0 m/s (n = 10). Otherwise, participants with T score of the aBMD of the femoral neck equal to or less than -1.0, handgrip strength lower than 18 kg, and gait speed slower than 1.0 m/s (n = 20) were categorized into EXP group. Pronator quadratus muscle samples were obtained from all participants. Total RNA was extracted from frozen muscle samples and sequenced. The gene ontology analysis demonstrated that the potential interactions between attached muscle function and the density of the associated bone would be linked with collagen biosynthetic activity and maintenance of extracellular matrix structures. The analysis of the pathway, network, and protein class exhibited that integrin signaling, inflammatory reactions, matrix metalloproteinase (MMP) activity, and extracellular matrix protein structure had possible associations with the molecular background of muscle-bone interaction. Through integrin signaling, MMP activity, inflammatory reactions, and collagen biosynthesis, muscle and bone may mutually interact with one another.
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Affiliation(s)
- Jeong-Hyun Kang
- Clinic of Oral Medicine and Orofacial Pain, Institute of Oral Health Science, Ajou University School of Medicine, Suwon, Gyeonggi-do, Korea
| | - Jeong-Hwa Baek
- Department of Molecular Genetics, School of Dentistry and Dental Research Institute, Seoul National University, Gwanak-gu, Seoul, Korea
| | - Jin Kwang Lee
- Department of Orthopedic Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Jongno-gu, Seoul, Korea
| | - Seok Woo Hong
- Department of Orthopedic Surgery, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Jongno-gu, Seoul, Korea
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van Dijk Christiansen P, Andreasen CM, El-Masri BM, Laursen KS, Delaisse JM, Andersen TL. Osteoprogenitor recruitment and differentiation during intracortical bone remodeling of adolescent humans. Bone 2023; 177:116896. [PMID: 37699496 DOI: 10.1016/j.bone.2023.116896] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 08/17/2023] [Accepted: 09/08/2023] [Indexed: 09/14/2023]
Abstract
BACKGROUND Recruitment and proliferation of osteoprogenitors during the reversal-resorption phase, and their differentiation into mature bone-forming osteoblasts is crucial for initiation of bone formation during bone remodeling. This study investigates the osteoprogenitors' gradual recruitment, proliferation, and differentiation into bone-forming osteoblasts within intracortical remodeling events of healthy adolescent humans. METHODS The study was conducted on cortical bone specimens from 11 adolescent human controls - patients undergoing surgery due to coxa valga. The osteoprogenitor recruitment route and differentiation into osteoblasts were backtracked using immunostainings and in situ hybridizations with osteoblastic markers (CD271/NGFR, osterix/SP7, COL3A1 and COL1A1). The osteoblastic cell populations were defined based on the pore surfaces, and their proliferation index (Ki67), density and number/circumference were estimated in multiplex-immunofluorescence (Ki67, TRAcP, CD34) stained sections. RESULTS During the reversal-resorption phase, osteoclasts are intermixed with (COL3A1+NFGR+) osteoblastic reversal cells, which are considered to be osteoprogenitors of (COL1A1+SP7+) bone-forming osteoblasts. Initiation of bone formation requires a critical density of these osteoprogenitors (43 ± 9 cells/mm), which is reached though proliferation (4.4 ± 0.5 % proliferative) and even more so through recruitment of osteoprogenitors, but challenged by the ongoing expansion of the canal circumference. These osteoprogenitors most likely originate from osteoblastic bone lining cells and mainly lumen osteoprogenitors, which expand their population though proliferation (4.6 ± 0.3 %) and vascular recruitment. These lumen osteoprogenitors resemble canopy cells above trabecular remodeling sites, and like canopy cells they extend above bone-forming osteoblasts where they may rejuvenate the osteoblast population during bone formation. CONCLUSION Initiation of bone formation during intracortical remodeling requires a critical density of osteoprogenitors on eroded surfaces, which is reached though proliferation and recruitment of local osteoprogenitors: bone lining cells and lumen osteoprogenitors.
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Affiliation(s)
- Pernille van Dijk Christiansen
- Clinical Cell Biology, Research Unit of Pathology, Department of Pathology, Odense University Hospital and Department of Clinical Research, University of Southern Denmark, Odense, Denmark.
| | - Christina Møller Andreasen
- Clinical Cell Biology, Research Unit of Pathology, Department of Pathology, Odense University Hospital and Department of Clinical Research, University of Southern Denmark, Odense, Denmark; Department of Molecular Medicine, University of Southern Denmark, Odense, Denmark; Danish Spatial Imaging Consortium (DanSIC).
| | - Bilal Mohamad El-Masri
- Clinical Cell Biology, Research Unit of Pathology, Department of Pathology, Odense University Hospital and Department of Clinical Research, University of Southern Denmark, Odense, Denmark; Danish Spatial Imaging Consortium (DanSIC).
| | - Kaja Søndergaard Laursen
- Department of Forensic Medicine, Aarhus University, Aarhus, Denmark; Danish Spatial Imaging Consortium (DanSIC).
| | - Jean-Marie Delaisse
- Clinical Cell Biology, Research Unit of Pathology, Department of Pathology, Odense University Hospital and Department of Clinical Research, University of Southern Denmark, Odense, Denmark; Department of Molecular Medicine, University of Southern Denmark, Odense, Denmark.
| | - Thomas Levin Andersen
- Clinical Cell Biology, Research Unit of Pathology, Department of Pathology, Odense University Hospital and Department of Clinical Research, University of Southern Denmark, Odense, Denmark; Department of Molecular Medicine, University of Southern Denmark, Odense, Denmark; Department of Forensic Medicine, Aarhus University, Aarhus, Denmark; Danish Spatial Imaging Consortium (DanSIC).
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Gao ZR, Zhou YH, Zhao YQ, Zhao J, Ye Q, Zhang SH, Feng Y, Tan L, Liu Q, Chen Y, Ouyang ZY, Hu J, Dusenge MA, Feng YZ, Guo Y. Kangfuxin Accelerates Extraction Socket Healing by Promoting Angiogenesis Via Upregulation of CCL2 in Stem Cells. J Bone Miner Res 2023; 38:1208-1221. [PMID: 37221128 DOI: 10.1002/jbmr.4860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/04/2023] [Revised: 05/10/2023] [Accepted: 05/18/2023] [Indexed: 05/25/2023]
Abstract
Kangfuxin (KFX) shows potential in wound healing, but its role in socket healing is unclear. This research finds increased bone mass, mineralization, and collagen deposition in KFX-treated mice. Mouse bone marrow mesenchymal stem cells, human periodontal ligament stem cells (hPDLSCs), and human dental pulp stem cells (hDPSCs) are treated with KFX under osteogenic induction. RNA-sequencing reveals upregulated chemokine-related genes, with a threefold increase in chemokine (C-C motif) ligand 2 (Ccl2). The conditioned medium (CM) of hPDLSCs and hDPSCs treated with KFX promotes endothelial cell migration and angiogenesis. Ccl2 knockdown abolishes CM-induced endothelial cell migration and angiogenesis, which can be reversed by recombinant CCL2 treatment. KFX-treated mice showed increased vasculature. In conclusion, KFX increases the expression of CCL2 in stem cells, promoting bone formation and mineralization in the extraction socket by inducing endothelial cell angiogenesis. © 2023 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Zheng-Rong Gao
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Ying-Hui Zhou
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, China
| | - Ya-Qiong Zhao
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Jie Zhao
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Qin Ye
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Shao-Hui Zhang
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Yao Feng
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Li Tan
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Qiong Liu
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Yun Chen
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Ze-Yue Ouyang
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Jing Hu
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Marie Aimee Dusenge
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Yun-Zhi Feng
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
| | - Yue Guo
- Department of Stomatology, the Second Xiangya Hospital, Central South University, Changsha, China
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Yanli Z, Jiayao M, Chunqing Z, Yuting Z, Zhiyan Z, Yulin Z, Minghan L, Longquan S, Dehong Y, Wenjuan Y. MY-1-Loaded Nano-Hydroxyapatite Accelerated Bone Regeneration by Increasing Type III Collagen Deposition in Early-Stage ECM via a Hsp47-Dependent Mechanism. Adv Healthc Mater 2023; 12:e2300332. [PMID: 36999955 DOI: 10.1002/adhm.202300332] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2023] [Revised: 03/13/2023] [Indexed: 04/01/2023]
Abstract
The extracellular matrix (ECM) plays a crucial part in regulating stem cell function through its distinctive mechanical and chemical effect. Therefore, it is worth studying how to activate the driving force of osteoblast cells by dynamic changing of ECM and accelerate the bone regeneration. In this research, a novel peptide MY-1 is designed and synthesized. To achieve its sustained releasing, the nano-hydroxyapatite (nHA) is chosen as the carrier of MY-1 by mixed adsorption. The results reveal that the sustainable releasing of MY-1 regulates the synthesis and secretion of ECM from rat bone marrow mesenchymal stem cells (rBMSCs), which promotes the cell migration and osteogenic differentiation in the early stage of bone regeneration. Further analyses demonstrate that MY-1 increases the expression and nuclear translocation of β-catenin, and then upregulates the level of heat shock protein 47 (Hsp47), thereby accelerating the synthesis and secretion of type III collagen (Col III) at the early stage. Finally, the promoted rapid transformation of Col III to Col I at late stage benefits the bone regeneration. Hence, this study can provide a theoretical basis for the local application of MY-1 in bone regeneration.
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Affiliation(s)
- Zhang Yanli
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, P. R. China
| | - Mo Jiayao
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, P. R. China
| | - Zheng Chunqing
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, P. R. China
| | - Zeng Yuting
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, P. R. China
| | - Zhou Zhiyan
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, P. R. China
| | - Zhang Yulin
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, P. R. China
| | - Li Minghan
- Department of Orthopedics - Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, P. R. China
| | - Shao Longquan
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, P. R. China
| | - Yang Dehong
- Department of Orthopedics - Spinal Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, P. R. China
| | - Yan Wenjuan
- Department of Stomatology, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, P. R. China
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Tahri S, Maarof M, Masri S, Che Man R, Masmoudi H, Fauzi MB. Human epidermal keratinocytes and human dermal fibroblasts interactions seeded on gelatin hydrogel for future application in skin in vitro 3-dimensional model. Front Bioeng Biotechnol 2023; 11:1200618. [PMID: 37425369 PMCID: PMC10326847 DOI: 10.3389/fbioe.2023.1200618] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Accepted: 06/09/2023] [Indexed: 07/11/2023] Open
Abstract
Introduction: Plenty of biomaterials have been studied for their application in skin tissue engineering. Currently, gelatin-hydrogel is used to support three-dimensional (3D) skin in vitro models. However, mimicking the human body conditions and properties remains a challenge and gelatin-hydrogels have low mechanical properties and undergo rapid degradation rendering them not suitable for 3D in vitro cell culture. Nevertheless, changing the concentration of hydrogels could overcome this issue. Thus, we aim to investigate the potential of gelatin hydrogel with different concentrations crosslinked with genipin to promote human epidermal keratinocytes and human dermal fibroblasts culture to develop a 3D-in vitro skin model replacing animal models. Methods: Briefly, the composite gelatin hydrogels were fabricated using different concentrations as follows 3%, 5%, 8%, and 10% crosslinked with 0.1% genipin or non-crosslinked. Both physical and chemical properties were evaluated. Results and discussion: The crosslinked scaffolds showed better properties, including porosity and hydrophilicity, and genipin was found to enhance the physical properties. Furthermore, no alteration was prominent in both formulations of CL_GEL 5% and CL_GEL8% after genipin modification. The biocompatibility assays showed that all groups promoted cell attachment, cell viability, and cell migration except for the CL_GEL10% group. The CL_GEL5% and CL_GEL8% groups were selected to develop a bi-layer 3D-in vitro skin model. The immunohistochemistry (IHC) and hematoxylin and eosin staining (H&E) were performed on day 7, 14, and 21 to evaluate the reepithelization of the skin constructs. However, despite satisfactory biocompatibility properties, neither of the selected formulations, CL_GEL 5% and CL_GEL 8%, proved adequate for creating a bi-layer 3D in-vitro skin model. While this study provides valuable insights into the potential of gelatin hydrogels, further research is needed to address the challenges associated with their use in developing 3D skin models for testing and biomedical applications.
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Affiliation(s)
- Safa Tahri
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
- Research Laboratory LR12SP18 “Autoimmunity, Cancer, and Immunogenetics”, University Hospital Habib Bourguiba, Sfax, Tunisia
| | - Manira Maarof
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Syafira Masri
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Rohaina Che Man
- Pathology Department, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
| | - Hatem Masmoudi
- Research Laboratory LR12SP18 “Autoimmunity, Cancer, and Immunogenetics”, University Hospital Habib Bourguiba, Sfax, Tunisia
| | - Mh Busra Fauzi
- Centre for Tissue Engineering and Regenerative Medicine, Faculty of Medicine, Universiti Kebangsaan Malaysia, Kuala Lumpur, Malaysia
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Brisson BK, Dekky B, Berger AC, Mauldin EA, Loebel C, Yen W, Stewart DC, Gillette D, Assenmacher CA, Cukierman E, Burdick JA, Borges VF, Volk SW. Tumor-restrictive type III collagen in the breast cancer microenvironment: prognostic and therapeutic implications. Res Sq 2023:rs.3.rs-2631314. [PMID: 37090621 PMCID: PMC10120781 DOI: 10.21203/rs.3.rs-2631314/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
Collagen plays a critical role in regulating breast cancer progression and therapeutic resistance. An improved understanding of both the features and drivers of tumor-permissive and -restrictive collagen matrices are critical to improve prognostication and develop more effective therapeutic strategies. In this study, using a combination of in vitro, in vivo and in silico experiments, we show that type III collagen (Col3) plays a tumor-restrictive role in human breast cancer. We demonstrate that Col3-deficient, human fibroblasts produce tumor-permissive collagen matrices that drive cell proliferation and suppress apoptosis in noninvasive and invasive breast cancer cell lines. In human TNBC biopsy samples, we demonstrate elevated deposition of Col3 relative to type I collagen (Col1) in noninvasive compared to invasive regions. Similarly, in silico analyses of over 1000 breast cancer patient biopsies from The Cancer Genome Atlas BRCA cohort revealed that patients with higher Col3:Col1 bulk tumor expression had improved overall, disease-free and progression-free survival relative to those with higher Col1:Col3 expression. Using an established 3D culture model, we show that Col3 increases spheroid formation and induces formation of lumen-like structures that resemble non-neoplastic mammary acini. Finally, our in vivo study shows co-injection of murine breast cancer cells (4T1) with rhCol3-supplemented hydrogels limits tumor growth and decreases pulmonary metastatic burden compared to controls. Taken together, these data collectively support a tumor-suppressive role for Col3 in human breast cancer and suggest that strategies that increase Col3 may provide a safe and effective modality to limit recurrence in breast cancer patients.
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Affiliation(s)
- Becky K. Brisson
- Department of Clinical Sciences and Advanced Medicine, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Bassil Dekky
- Department of Clinical Sciences and Advanced Medicine, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Ashton C. Berger
- Department of Clinical Sciences and Advanced Medicine, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Elizabeth A. Mauldin
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Claudia Loebel
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- Department of Materials Science & Engineering, University of Michigan, Ann Arbor, Michigan, USA
| | - William Yen
- Department of Clinical Sciences and Advanced Medicine, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Daniel C. Stewart
- Department of Clinical Sciences and Advanced Medicine, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Deborah Gillette
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Charles-Antoine Assenmacher
- Department of Pathobiology, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
| | - Edna Cukierman
- Cancer Signaling and Microenvironment Program, The Martin and Concetta Greenberg Pancreatic Cancer Institute, Fox Chase Cancer Center, Temple University Lewis Katz School of Medicine, Philadelphia, Pennsylvania, USA
| | - Jason A. Burdick
- Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, Pennsylvania, USA
- BioFrontiers Institute and Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado, USA
| | - Virginia F. Borges
- Department of Medicine, Division of Medical Oncology, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
- University of Colorado Cancer Center, Aurora, Colorado, USA
- Young Women’s Breast Cancer Translational Program, University of Colorado Anschutz Medical Campus, Aurora, Colorado, USA
| | - Susan W. Volk
- Department of Clinical Sciences and Advanced Medicine, School of Veterinary Medicine, University of Pennsylvania, Philadelphia, Pennsylvania, USA
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Lai J, Li H, Chang GR, Lan Y, Chen Y, Tseng Y, Tu M, Chen C, Chen H, Chen C. Kefir peptides promote osteogenic differentiation to enhance bone fracture healing in rats. Life Sci 2022; 310:121090. [DOI: 10.1016/j.lfs.2022.121090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Revised: 10/04/2022] [Accepted: 10/12/2022] [Indexed: 11/09/2022]
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Zhou YH, Guo Y, Zhu JY, Tang CY, Zhao YQ, Zhou HD. Spheroid co-culture of BMSCs with osteocytes yields ring-shaped bone-like tissue that enhances alveolar bone regeneration. Sci Rep 2022; 12:14636. [PMID: 36030312 PMCID: PMC9420131 DOI: 10.1038/s41598-022-18675-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/24/2022] [Accepted: 08/17/2022] [Indexed: 11/09/2022] Open
Abstract
Oral and maxillofacial bone defects severely impair appearance and function, and bioactive materials are urgently needed for bone regeneration. Here, we spheroid co-cultured green fluorescent protein (GFP)-labeled bone marrow stromal cells (BMSCs) and osteocyte-like MLO-Y4 cells in different ratios (3:1, 2:1, 1:1, 1:2, 1:3) or as monoculture. Bone-like tissue was formed in the 3:1, 2:1, and 1:1 co-cultures and MLO-Y4 monoculture. We found a continuous dense calcium phosphate structure and spherical calcium phosphate similar to mouse femur with the 3:1, 2:1, and 1:1 co-cultures, along with GFP-positive osteocyte-like cells encircled by an osteoid-like matrix similar to cortical bone. Flake-like calcium phosphate, which is more mature than spherical calcium phosphate, was found with the 3:1 and 2:1 co-cultures. Phosphorus and calcium signals were highest with 3:1 co-culture, and this bone-like tissue was ring-shaped. In a murine tooth extraction model, implantation of the ring-shaped bone-like tissue yielded more bone mass, osteoid and mineralized bone, and collagen versus no implantation. This tissue fabricated by spheroid co-culturing BMSCs with osteocytes yields an internal structure and mineral composition similar to mouse femur and could promote bone formation and maturation, accelerating regeneration. These findings open the way to new strategies in bone tissue engineering.
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Affiliation(s)
- Ying-Hui Zhou
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China.,Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Yue Guo
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China.,Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Jia-Yu Zhu
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China
| | - Chen-Yi Tang
- Department of Nutrition, The Third Xiangya Hospital of Central South University, Changsha, 410013, Hunan, China
| | - Ya-Qiong Zhao
- Department of Stomatology, The Second Xiangya Hospital, Central South University, Changsha, 410011, Hunan, China
| | - Hou-De Zhou
- National Clinical Research Center for Metabolic Diseases, Hunan Provincial Key Laboratory of Metabolic Bone Diseases, and Department of Metabolism and Endocrinology, The Second Xiangya Hospital of Central South University, Changsha, 410011, Hunan, China.
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Brisson BK, Stewart DC, Burgwin C, Chenoweth D, Wells RG, Adams SL, Volk SW. CYSTEINE-RICH DOMAIN OF TYPE III COLLAGEN N-PROPEPTIDE INHIBITS FIBROBLAST ACTIVATION BY ATTENUATING TGFβ SIGNALING. Matrix Biol 2022; 109:19-33. [PMID: 35339637 PMCID: PMC9086147 DOI: 10.1016/j.matbio.2022.03.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2021] [Revised: 03/04/2022] [Accepted: 03/20/2022] [Indexed: 02/07/2023]
Abstract
TGFβ is a key regulator of the dynamic reciprocity between cells and the extracellular matrix that drives physiologic and pathologic responses in both tissue repair and tumor microenvironments. Our studies define type III Collagen (Col3) as a suppressor of scar formation and desmoplasia through its effects, in part, on myofibroblasts. TGFβ stimulates activation of myofibroblasts, and here, we demonstrate that cultured Col3-deficient fibroblasts have increased TGFβ signaling compared to wild-type fibroblasts. Moreover, kinetic binding studies show that a synthetic peptide containing a Col3 cysteine-rich (CR) domain found within its N-propeptide binds in a dose-dependent manner to TGFβ1, while a CR control peptide with mutated cysteines does not, suggesting that Col3 attenuates TGFβ signaling in part through the N-propeptide CR domain. Consistent with this hypothesis, the CR peptide attenuates TGFβ signaling in fibroblasts and 4T1 breast cancer cells and suppresses fibroblast activation and contraction, as assessed by α-smooth-muscle actin staining, cell wrinkling of deformable silicone, and stressed-fibroblast populated collagen lattice contraction assays. Finally, CR peptide treatment of orthotopically injected breast cancer cells (4T1) suppresses intratumoral fibroblast activation and inhibits primary tumor growth compared to CR control. Treatment with the CR peptide decreases both intratumoral canonical and non-canonical downstream TGFβ signaling targets, consistent with its extracellular binding to TGFβ. Taken together, our results suggest that the Col3 N-propeptide CR domain binds TGFβ1 and attenuates (but importantly does not eliminate) TGFβ signaling in fibroblasts and cancer cells. Expanding on our previous work, this study demonstrates an additional mechanism by which Col3 regulates cell behaviors in post-injury and tumor microenvironments and suggests that novel Col3-targeted strategies could effectively control biologic responses in vivo and improve anti-scarring/fibrosis and oncologic therapies.
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Affiliation(s)
- Becky K Brisson
- Department of Clinical Sciences and Advanced Medicine, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA, 19104, USA
| | - Daniel C Stewart
- Department of Clinical Sciences and Advanced Medicine, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA, 19104, USA
| | - Chelsea Burgwin
- Department of Clinical Sciences and Advanced Medicine, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA, 19104, USA
| | - David Chenoweth
- Department of Chemistry, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Rebecca G Wells
- Departments of Medicine and Bioengineering, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Sherrill L Adams
- School of Dental Medicine, University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Susan W Volk
- Department of Clinical Sciences and Advanced Medicine, University of Pennsylvania School of Veterinary Medicine, Philadelphia, PA, 19104, USA.
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Liu Z, Yin Y, Wang Z, Xie L, Deng P, Wang D, Ji N, Zhao H, Han X, Chen Q, Chung CH, Bai D, Zhao X. RANKL inhibition halts lesion progression and promotes bone remineralization in mice with fibrous dysplasia. Bone 2022; 156:116301. [PMID: 34952228 DOI: 10.1016/j.bone.2021.116301] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2021] [Revised: 11/07/2021] [Accepted: 12/13/2021] [Indexed: 02/08/2023]
Abstract
Fibrous dysplasia (FD) is a rare bone disease caused by GNAS mutation in skeletal stem cells, typically originating from and worsening in childhood. Till now, no cure for FD exists despite the well-recognized etiology. Studies have demonstrated that osteoclastogenesis hyperactivity is caused by elevated RANKL expression, making RANKL inhibition a potential therapy. Although a human monoclonal anti-RANKL antibody, denosumab, has been used in FD patients, the effects and mechanisms of RANKL inhibition for FD treatment require assessment. Denosumab is expensive and can only be injected. Therefore, formulating an oral-administered, cost-effective medicine is encouraged. In the current study, we evaluated the effects of a small-molecule RANKL inhibitor, AS2676293, on a transgenic FD mouse model. AS2676293 effectively suppressed osteoclastogenesis and halted FD progression. The pre-existing bone defects were primarily replaced by newly formed mineralized bone after two weeks of AS2676293 administration. The potent RANKL inhibitory effect and easier route of delivery make AS2676293 a promising target therapy of FD. Results from our study suggested that RANKL inhibition is effective in halting FD progression and promoting bone remineralization, which could benefit the patients with early onset of FD.
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Affiliation(s)
- Zhongyu Liu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Yijia Yin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Zheng Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Liang Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Peng Deng
- Laboratory of Molecular Signaling, Division of Oral Biology and Medicine, School of Dentistry, UCLA, Los Angeles, CA 90095, USA
| | - Donghui Wang
- School of Materials Science and Engineering, Hebei University of Technology, Tianjin 300130, China
| | - Ning Ji
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Hang Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Xianglong Han
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Qianming Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
| | - Chun-Hsi Chung
- Department of Orthodontics, School of Dental Medicine, University of Pennsylvania, Philadelphia, PA 19104, USA
| | - Ding Bai
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Xuefeng Zhao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
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11
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Dobson LK, Zeitouni S, McNeill EP, Bearden RN, Gregory CA, Saunders WB. Canine Mesenchymal Stromal Cell-Mediated Bone Regeneration is Enhanced in the Presence of Sub-Therapeutic Concentrations of BMP-2 in a Murine Calvarial Defect Model. Front Bioeng Biotechnol 2021; 9:764703. [PMID: 34796168 PMCID: PMC8592971 DOI: 10.3389/fbioe.2021.764703] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Accepted: 09/27/2021] [Indexed: 11/15/2022] Open
Abstract
Novel bone regeneration strategies often show promise in rodent models yet are unable to successfully translate to clinical therapy. Sheep, goats, and dogs are used as translational models in preparation for human clinical trials. While human MSCs (hMSCs) undergo osteogenesis in response to well-defined protocols, canine MSCs (cMSCs) are more incompletely characterized. Prior work suggests that cMSCs require additional agonists such as IGF-1, NELL-1, or BMP-2 to undergo robust osteogenic differentiation in vitro. When compared directly to hMSCs, cMSCs perform poorly in vivo. Thus, from both mechanistic and clinical perspectives, cMSC and hMSC-mediated bone regeneration may differ. The objectives of this study were twofold. The first was to determine if previous in vitro findings regarding cMSC osteogenesis were substantiated in vivo using an established murine calvarial defect model. The second was to assess in vitro ALP activity and endogenous BMP-2 gene expression in both canine and human MSCs. Calvarial defects (4 mm) were treated with cMSCs, sub-therapeutic BMP-2, or the combination of cMSCs and sub-therapeutic BMP-2. At 28 days, while there was increased healing in defects treated with cMSCs, defects treated with cMSCs and BMP-2 exhibited the greatest degree of bone healing as determined by quantitative μCT and histology. Using species-specific qPCR, cMSCs were not detected in relevant numbers 10 days after implantation, suggesting that bone healing was mediated by anabolic cMSC or ECM-driven cues and not via engraftment of cMSCs. In support of this finding, defects treated with cMSC + BMP-2 exhibited robust deposition of Collagens I, III, and VI using immunofluorescence. Importantly, cMSCs exhibited minimal ALP activity unless cultured in the presence of BMP-2 and did not express endogenous canine BMP-2 under any condition. In contrast, human MSCs exhibited robust ALP activity in all conditions and expressed human BMP-2 when cultured in control and osteoinduction media. This is the first in vivo study in support of previous in vitro findings regarding cMSC osteogenesis, namely that cMSCs require additional agonists to initiate robust osteogenesis. These findings are highly relevant to translational cell-based bone healing studies and represent an important finding for the field of canine MSC-mediated bone regeneration.
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Affiliation(s)
- Lauren K Dobson
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, United States
| | - Suzanne Zeitouni
- Department of Molecular and Cellular Medicine, Institute for Regenerative Medicine, Texas A&M Health Science Center, College Station, TX, United States
| | - Eoin P McNeill
- Department of Molecular and Cellular Medicine, Institute for Regenerative Medicine, Texas A&M Health Science Center, College Station, TX, United States
| | - Robert N Bearden
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, United States
| | - Carl A Gregory
- Department of Molecular and Cellular Medicine, Institute for Regenerative Medicine, Texas A&M Health Science Center, College Station, TX, United States
| | - W Brian Saunders
- Department of Small Animal Clinical Sciences, College of Veterinary Medicine and Biomedical Sciences, Texas A&M University, College Station, TX, United States
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12
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Wang H. A Review of the Effects of Collagen Treatment in Clinical Studies. Polymers (Basel) 2021; 13:polym13223868. [PMID: 34833168 PMCID: PMC8620403 DOI: 10.3390/polym13223868] [Citation(s) in RCA: 48] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2021] [Revised: 11/03/2021] [Accepted: 11/04/2021] [Indexed: 12/13/2022] Open
Abstract
Collagen, an abundant extracellular matrix protein, has been found to have a lot of pharmaceuticals, medicine, food, and cosmetics applications. Increased knowledge of collagen sources, extraction techniques, structure, and properties in the last decades has helped develop more collagen-based products and tissue engineering biomaterials. Collagen products have been playing an important role in benefiting the health of the human body, especially for aging people. In this paper, the effects of collagen treatment in different clinical studies including skin regeneration, bone defects, sarcopenia, wound healing, dental therapy, gastroesophageal reflux, osteoarthritis, and rheumatoid arthritis have been reviewed. The collagen treatments were significant in these clinical studies. In addition, the associations between these diseases were discussed. The comorbidity of these diseases might be closely related to collagen deficiency, and collagen treatment might be a good choice when a patient has more than one of these diseases, including the coronavirus disease 2019 (COVID-19). It concludes that collagen-based medication is useful in treating comorbid diseases and preventing complications.
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Affiliation(s)
- Hsiuying Wang
- Institute of Statistics, National Yang Ming Chiao Tung University, Hsinchu 30010, Taiwan
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13
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Vroman R, Malfait AM, Miller RE, Malfait F, Syx D. Animal Models of Ehlers-Danlos Syndromes: Phenotype, Pathogenesis, and Translational Potential. Front Genet 2021; 12:726474. [PMID: 34712265 PMCID: PMC8547655 DOI: 10.3389/fgene.2021.726474] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Accepted: 08/10/2021] [Indexed: 01/09/2023] Open
Abstract
The Ehlers–Danlos syndromes (EDS) are a group of heritable connective tissues disorders mainly characterized by skin hyperextensibility, joint hypermobility and generalized tissue fragility. Currently, 14 EDS subtypes each with particular phenotypic features are recognized and are caused by genetic defects in 20 different genes. All of these genes are involved in the biosynthesis and/or fibrillogenesis of collagens at some level. Although great progress has been made in elucidating the molecular basis of different EDS subtypes, the pathogenic mechanisms underlying the observed phenotypes remain poorly understood, and consequentially, adequate treatment and management options for these conditions remain scarce. To date, several animal models, mainly mice and zebrafish, have been described with defects in 14 of the 20 hitherto known EDS-associated genes. These models have been instrumental in discerning the functions and roles of the corresponding proteins during development, maturation and repair and in portraying their roles during collagen biosynthesis and/or fibrillogenesis, for some even before their contribution to an EDS phenotype was elucidated. Additionally, extensive phenotypical characterization of these models has shown that they largely phenocopy their human counterparts, with recapitulation of several clinical hallmarks of the corresponding EDS subtype, including dermatological, cardiovascular, musculoskeletal and ocular features, as well as biomechanical and ultrastructural similarities in tissues. In this narrative review, we provide a comprehensive overview of animal models manifesting phenotypes that mimic EDS with a focus on engineered mouse and zebrafish models, and their relevance in past and future EDS research. Additionally, we briefly discuss domestic animals with naturally occurring EDS phenotypes. Collectively, these animal models have only started to reveal glimpses into the pathophysiological aspects associated with EDS and will undoubtably continue to play critical roles in EDS research due to their tremendous potential for pinpointing (common) signaling pathways, unveiling possible therapeutic targets and providing opportunities for preclinical therapeutic interventions.
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Affiliation(s)
- Robin Vroman
- Center for Medical Genetics, Department of Biomolecular Medicine, Ghent University, Ghent, Belgium
| | - Anne-Marie Malfait
- Division of Rheumatology, Rush University Medical Center, Chicago, IL, United States
| | - Rachel E Miller
- Division of Rheumatology, Rush University Medical Center, Chicago, IL, United States
| | - Fransiska Malfait
- Center for Medical Genetics, Department of Biomolecular Medicine, Ghent University, Ghent, Belgium
| | - Delfien Syx
- Center for Medical Genetics, Department of Biomolecular Medicine, Ghent University, Ghent, Belgium
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14
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Colucci SC, Buccoliero C, Sanesi L, Errede M, Colaianni G, Annese T, Khan MP, Zerlotin R, Dicarlo M, Schipani E, Kozloff KM, Grano M. Systemic Administration of Recombinant Irisin Accelerates Fracture Healing in Mice. Int J Mol Sci 2021; 22:ijms221910863. [PMID: 34639200 PMCID: PMC8509717 DOI: 10.3390/ijms221910863] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2021] [Revised: 10/05/2021] [Accepted: 10/07/2021] [Indexed: 12/25/2022] Open
Abstract
To date, pharmacological strategies designed to accelerate bone fracture healing are lacking. We subjected 8-week-old C57BL/6 male mice to closed, transverse, mid-diaphyseal tibial fractures and treated them with intraperitoneal injection of a vehicle or r-irisin (100 µg/kg/weekly) immediately following fracture for 10 days or 28 days. Histological analysis of the cartilaginous callus at 10 days showed a threefold increase in Collagen Type X (p = 0.0012) and a reduced content of proteoglycans (40%; p = 0.0018). Osteoclast count within the callus showed a 2.4-fold increase compared with untreated mice (p = 0.026), indicating a more advanced stage of endochondral ossification of the callus during the early stage of fracture repair. Further evidence that irisin induced the transition of cartilage callus into bony callus was provided by a twofold reduction in the expression of SOX9 (p = 0.0058) and a 2.2-fold increase in RUNX2 (p = 0.0137). Twenty-eight days post-fracture, microCT analyses showed that total callus volume and bone volume were increased by 68% (p = 0.0003) and 67% (p = 0.0093), respectively, and bone mineral content was 74% higher (p = 0.0012) in irisin-treated mice than in controls. Our findings suggest that irisin promotes bone formation in the bony callus and accelerates the fracture repair process, suggesting a possible use as a novel pharmacologic modulator of fracture healing.
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Affiliation(s)
- Silvia Concetta Colucci
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari, 70124 Bari, Italy; (S.C.C.); (L.S.); (M.E.); (T.A.); (M.D.)
| | - Cinzia Buccoliero
- Department of Emergency and Organ Transplantation, University of Bari, 70124 Bari, Italy; (C.B.); (G.C.); (R.Z.)
| | - Lorenzo Sanesi
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari, 70124 Bari, Italy; (S.C.C.); (L.S.); (M.E.); (T.A.); (M.D.)
| | - Mariella Errede
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari, 70124 Bari, Italy; (S.C.C.); (L.S.); (M.E.); (T.A.); (M.D.)
| | - Graziana Colaianni
- Department of Emergency and Organ Transplantation, University of Bari, 70124 Bari, Italy; (C.B.); (G.C.); (R.Z.)
| | - Tiziana Annese
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari, 70124 Bari, Italy; (S.C.C.); (L.S.); (M.E.); (T.A.); (M.D.)
| | - Mohd Parvez Khan
- Departments of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA 19104, USA; (M.P.K.); (E.S.)
| | - Roberta Zerlotin
- Department of Emergency and Organ Transplantation, University of Bari, 70124 Bari, Italy; (C.B.); (G.C.); (R.Z.)
| | - Manuela Dicarlo
- Department of Basic Medical Sciences, Neuroscience and Sense Organs, University of Bari, 70124 Bari, Italy; (S.C.C.); (L.S.); (M.E.); (T.A.); (M.D.)
| | - Ernestina Schipani
- Departments of Orthopaedic Surgery, University of Pennsylvania, Philadelphia, PA 19104, USA; (M.P.K.); (E.S.)
| | - Kenneth M. Kozloff
- Department of Orthopaedic Surgery, University of Michigan, Ann Arbor, MI 48109, USA;
| | - Maria Grano
- Department of Emergency and Organ Transplantation, University of Bari, 70124 Bari, Italy; (C.B.); (G.C.); (R.Z.)
- Correspondence: ; Tel.: +39-080-5478361
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15
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Vinhas A, Rodrigues MT, Gonçalves AI, Reis RL, Gomes ME. Magnetic responsive materials modulate the inflammatory profile of IL-1β conditioned tendon cells. Acta Biomater 2020; 117:235-245. [PMID: 32966921 DOI: 10.1016/j.actbio.2020.09.028] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 09/10/2020] [Accepted: 09/15/2020] [Indexed: 12/11/2022]
Abstract
Tendinopathies represent half of all musculoskeletal injuries worldwide. Inflammatory events contribute to both tendon healing and to tendinopathy conditions but the cellular triggers leading to one or the other are unknown. In previous studies, we showed that magnetic field actuation modulates human tendon cells (hTDCs) behavior in pro-inflammatory environments, and that magnetic responsive membranes could positively influence inflammation responses in a rat ectopic model. Herein, we propose to investigate the potential synergistic action of the magnetic responsive membranes, made of a polymer blend of starch with polycaprolactone incorporating magnetic nanoparticles (magSPCL), and the actuation of pulsed electromagnetic field (PEMF): 5 Hz, 4mT of intensity and 50% of duty cycle, in IL-1β-treated-hTDCs, and in the immunomodulatory response of macrophages. It was found that the expression of pro-inflammatory (TNFα, IL-6, IL-8, COX-2) and ECM remodeling (MMP-1,-2,-3) markers tend to decrease in cells cultured onto magSPCL membranes under PEMF, while the expression of TIMP-1 and anti-inflammatory genes (IL-4, IL-10) increases. Also, CD16++ and CD206+ macrophages were only found on magSPCL membranes with PEMF application. Magnetic responsive membranes show a modulatory effect on the inflammatory profile of hTDCs favoring anti-inflammatory cues which is also supported by the anti-inflammatory/repair markers expressed in macrophages. These results suggest that magnetic responsive magSPCL membranes can contribute for inflammation resolution acting on both resident cell populations and inflammatory cells, and thus significantly contribute to tendon regenerative strategies. Statement of significance Magnetically-assisted strategies have received great attention in recent years to remotely trigger and guide cell responses. Inflammation plays a key role in tendon healing but persistent pro-inflammatory molecules can contribute to tendon disorders, and therefore provide a therapeutic target for advanced treatments. We have previously reported that magnetic fields modulate the response of human tendon cells (hTDCs) conditioned to pro-inflammatory environments (IL-1β-treated-hTDCs), and that magnetic responsive membranes positively influence immune responses. In the present work, we combined pulsed electromagnetic field (PEMF) and magnetic responsive membranes to guide the inflammatory profile of IL-1β-treated-hTDCs and of macrophages. The results showed that the synergistic action of PEMF and magnetic membranes supports the applicability of magnetically actuated systems to regulate inflammatory events and stimulate tendon regeneration.
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Affiliation(s)
- A Vinhas
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - M T Rodrigues
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - A I Gonçalves
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - R L Reis
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal
| | - M E Gomes
- 3B's Research Group, I3Bs - Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga, Guimarães, Portugal.
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16
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Rabea AA. Histological, Histochemical and Immunohistochemical Evaluation of the Role of Bone Marrow-Derived Mesenchymal Stem Cells on the Structure of Periodontal Tissues in Carbimazole-Treated Albino Rats. Arch Oral Biol 2020; 119:104887. [PMID: 32919103 DOI: 10.1016/j.archoralbio.2020.104887] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2020] [Revised: 08/26/2020] [Accepted: 08/26/2020] [Indexed: 12/11/2022]
Abstract
OBJECTIVE To elucidate the role of bone marrow-mesenchymal stem cells (BM-MSCs) on the structure of periodontal tissues in carbimazole (antithyroid drug) treated rats at different durations. DESIGN 28 albino rats were divided into: Group I: received distilled water. Group II: received therapeutic dose of carbimazole. Group III: received carbimazole then single injection of BM-MSCs by the end of 3rd week. Group IV: received carbimazole and single injection of BM-MSCs at the beginning of the experiment. Specimens were examined by light microscope. New collagen and β-catenin-immunoreactivity area% were assessed histomorphometrically, and statistically using ANOVA test. RESULTS Histological examination revealed normal periodontal tissues structure in Groups I & IV. Group II showed disorganized periodontal ligament fibers and different stainability of cementum and alveolar bone. Group III illustrated dense periodontal ligament fibers, normal stainability of cementum and most of alveolar bone. Masson's trichrome results of Groups I & IV illustrated large areas of new collagen in periodontal ligament, old collagen in cementum and intermingled old and new collagen in alveolar bone. Group II showed old collagen. Group III revealed only new collagen. β-catenin-immunoreactivity was strong in Groups I & IV, negative in Group II and moderate in Group III. Statistically, Group III showed highest mean of new collagen area% followed by Groups I, IV and II respectively. Highest mean of β-catenin-immunoreactivity area% was for Group I followed by Groups IV, III and II respectively. CONCLUSIONS Carbimazole has damaging effects and BM-MSCs are capable to mend these destructive outcomes in time dependent manner.
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Affiliation(s)
- Amany A Rabea
- Associate Professor of Oral Biology, Faculty of Oral and Dental Medicine, Future University in Egypt, Cairo, Egypt.
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17
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Khajuria DK, Soliman M, Elfar JC, Lewis GS, Abraham T, Kamal F, Elbarbary RA. Aberrant structure of fibrillar collagen and elevated levels of advanced glycation end products typify delayed fracture healing in the diet-induced obesity mouse model. Bone 2020; 137:115436. [PMID: 32439570 PMCID: PMC7938873 DOI: 10.1016/j.bone.2020.115436] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/13/2019] [Revised: 03/17/2020] [Accepted: 05/14/2020] [Indexed: 12/16/2022]
Abstract
Impaired fracture healing in patients with obesity-associated type 2 diabetes (T2D) is a significant unmet clinical problem that affects millions of people worldwide. However, the underlying causes are poorly understood. Additionally, limited clinical information is available on how pre-diabetic hyperglycemia in obese individuals impacts bone healing. Here, we use the diet-induced obesity (DIO) mouse (C57BL/6J) model to study the impact of obesity-associated pre-diabetic hyperglycemia on bone healing and fibrillar collagen organization as healing proceeds from one phase to another. We show that DIO mice exhibit defective healing characterized by reduced bone mineral density, bone volume, and bone volume density. Differences in the healing pattern between lean and DIO mice occur early in the healing process as evidenced by faster resorption of the fibrocartilaginous callus in DIO mice. However, the major differences between lean and DIO mice occur during the later phases of endochondral ossification and bone remodeling. Comprehensive analyses of fibrillar collagen microstructure and expression pattern during these phases, using a set of complementary techniques that include histomorphometry, immunofluorescence staining, and second harmonic generation microscopy, demonstrate significant defects in DIO mice. Defects include strikingly sparse and disorganized collagen fibers, as well as pathological accumulation of unfolded collagen triple helices. We also demonstrate that DIO-associated changes in fibrillar collagen structure are attributable, at least in part, to the accumulation of advanced glycation end products, which increase the collagen-fiber crosslink density. These major changes impair fibrillar collagens functions, culminating in defective callus mineralization, remodeling, and strength. Our data extend the understanding of mechanisms by which obesity and its associated hyperglycemia impair fracture healing and underline defective fibrillar collagen microstructure as a novel and important contributor.
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Affiliation(s)
- Deepak Kumar Khajuria
- Department of Orthopaedics and Rehabilitation, The Pennsylvania State University College of Medicine, Hershey, PA, USA; Center for Orthopaedic Research and Translational Science (CORTS), The Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Marwa Soliman
- Department of Orthopaedics and Rehabilitation, The Pennsylvania State University College of Medicine, Hershey, PA, USA; Center for Orthopaedic Research and Translational Science (CORTS), The Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - John C Elfar
- Department of Orthopaedics and Rehabilitation, The Pennsylvania State University College of Medicine, Hershey, PA, USA; Center for Orthopaedic Research and Translational Science (CORTS), The Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Gregory S Lewis
- Department of Orthopaedics and Rehabilitation, The Pennsylvania State University College of Medicine, Hershey, PA, USA; Center for Orthopaedic Research and Translational Science (CORTS), The Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Thomas Abraham
- Microscopy Imaging Facility, The Pennsylvania State University College of Medicine, Hershey, PA, USA; Department of Neural and Behavioural Sciences, The Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Fadia Kamal
- Department of Orthopaedics and Rehabilitation, The Pennsylvania State University College of Medicine, Hershey, PA, USA; Center for Orthopaedic Research and Translational Science (CORTS), The Pennsylvania State University College of Medicine, Hershey, PA, USA; Department of Pharmacology, The Pennsylvania State University College of Medicine, Hershey, PA, USA
| | - Reyad A Elbarbary
- Department of Orthopaedics and Rehabilitation, The Pennsylvania State University College of Medicine, Hershey, PA, USA; Center for Orthopaedic Research and Translational Science (CORTS), The Pennsylvania State University College of Medicine, Hershey, PA, USA; Department of Biochemistry and Molecular Biology, The Pennsylvania State University College of Medicine, Hershey, PA, USA; Center for RNA Molecular Biology, Pennsylvania State University, University Park, PA, USA.
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18
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Ocken AR, Ku MM, Kinzer-Ursem TL, Calve S. Perlecan Knockdown Significantly Alters Extracellular Matrix Composition and Organization During Cartilage Development. Mol Cell Proteomics 2020; 19:1220-1235. [PMID: 32381549 PMCID: PMC7338092 DOI: 10.1074/mcp.ra120.001998] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2020] [Revised: 05/05/2020] [Indexed: 02/05/2023] Open
Abstract
Perlecan is a critical proteoglycan found in the extracellular matrix (ECM) of cartilage. In healthy cartilage, perlecan regulates cartilage biomechanics and we previously demonstrated perlecan deficiency leads to reduced cellular and ECM stiffness in vivo This change in mechanics may lead to the early onset osteoarthritis seen in disorders resulting from perlecan knockdown such as Schwartz-Jampel syndrome (SJS). To identify how perlecan knockdown affects the material properties of developing cartilage, we used imaging and liquid chromatography-tandem mass spectrometry (LC-MS/MS) to study the ECM in a murine model of SJS, Hspg2C1532Y-Neo Perlecan knockdown led to defective pericellular matrix formation, whereas the abundance of bulk ECM proteins, including many collagens, increased. Post-translational modifications and ultrastructure of collagens were not significantly different; however, LC-MS/MS analysis showed more protein was secreted by Hspg2C1532Y-Neo cartilage in vitro, suggesting that the incorporation of newly synthesized ECM was impaired. In addition, glycosaminoglycan deposition was atypical, which may explain the previously observed decrease in mechanics. Overall, these findings provide insight into the influence of perlecan on functional cartilage assembly and the progression of osteoarthritis in SJS.
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Affiliation(s)
- Alexander R Ocken
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana
| | - Madeline M Ku
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana
| | | | - Sarah Calve
- Weldon School of Biomedical Engineering, Purdue University, West Lafayette, Indiana.
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Wang C, Brisson BK, Terajima M, Li Q, Hoxha K, Han B, Goldberg AM, Sherry Liu X, Marcolongo MS, Enomoto-Iwamoto M, Yamauchi M, Volk SW, Han L. Type III collagen is a key regulator of the collagen fibrillar structure and biomechanics of articular cartilage and meniscus. Matrix Biol 2019; 85-86:47-67. [PMID: 31655293 DOI: 10.1016/j.matbio.2019.10.001] [Citation(s) in RCA: 57] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2019] [Revised: 10/15/2019] [Accepted: 10/16/2019] [Indexed: 02/07/2023]
Abstract
Despite the fact that type III collagen is the second most abundant collagen type in the body, its contribution to the physiologic maintenance and repair of skeletal tissues remains poorly understood. This study queried the role of type III collagen in the structure and biomechanical functions of two structurally distinctive tissues in the knee joint, type II collagen-rich articular cartilage and type I collagen-dominated meniscus. Integrating outcomes from atomic force microscopy-based nanomechanical tests, collagen fibril nanostructural analysis, collagen cross-link analysis and histology, we elucidated the impact of type III collagen haplodeficiency on the morphology, nanostructure and biomechanical properties of articular cartilage and meniscus in Col3a1+/- mice. Reduction of type III collagen leads to increased heterogeneity and mean thickness of collagen fibril diameter, as well as reduced modulus in both tissues, and these effects became more pronounced with skeletal maturation. These data suggest a crucial role of type III collagen in mediating fibril assembly and biomechanical functions of both articular cartilage and meniscus during post-natal growth. In articular cartilage, type III collagen has a marked contribution to the micromechanics of the pericellular matrix, indicating a potential role in mediating the early stage of type II collagen fibrillogenesis and chondrocyte mechanotransduction. In both tissues, reduction of type III collagen leads to decrease in tissue modulus despite the increase in collagen cross-linking. This suggests that the disruption of matrix structure due to type III collagen deficiency outweighs the stiffening of collagen fibrils by increased cross-linking, leading to a net negative impact on tissue modulus. Collectively, this study is the first to highlight the crucial structural role of type III collagen in both articular cartilage and meniscus extracellular matrices. We expect these results to expand our understanding of type III collagen across various tissue types, and to uncover critical molecular components of the microniche for regenerative strategies targeting articular cartilage and meniscus repair.
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Affiliation(s)
- Chao Wang
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Becky K Brisson
- Department of Clinical Sciences and Advanced Medicine, University of Pennsylvania, School of Veterinary Medicine, Philadelphia, PA, 19104, United States
| | - Masahiko Terajima
- Division of Oral and Craniofacial Health Sciences, University of North Carolina, Chapel Hill, NC, 27599, United States
| | - Qing Li
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Kevt'her Hoxha
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Biao Han
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States
| | - Abby M Goldberg
- Department of Clinical Sciences and Advanced Medicine, University of Pennsylvania, School of Veterinary Medicine, Philadelphia, PA, 19104, United States
| | - X Sherry Liu
- McKay Orthopaedic Research Laboratory, Department of Orthopaedic Surgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA, 19104, United States
| | - Michele S Marcolongo
- Department of Materials Science and Engineering, Drexel University, Philadelphia, PA, 19104, United States
| | - Motomi Enomoto-Iwamoto
- Department of Orthopaedics, School of Medicine, University of Maryland, Baltimore, MD, 21201, United States
| | - Mitsuo Yamauchi
- Division of Oral and Craniofacial Health Sciences, University of North Carolina, Chapel Hill, NC, 27599, United States
| | - Susan W Volk
- Department of Clinical Sciences and Advanced Medicine, University of Pennsylvania, School of Veterinary Medicine, Philadelphia, PA, 19104, United States.
| | - Lin Han
- School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA 19104, United States.
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Kuivaniemi H, Tromp G. Type III collagen (COL3A1): Gene and protein structure, tissue distribution, and associated diseases. Gene 2019; 707:151-71. [PMID: 31075413 DOI: 10.1016/j.gene.2019.05.003] [Citation(s) in RCA: 144] [Impact Index Per Article: 28.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2019] [Revised: 05/01/2019] [Accepted: 05/02/2019] [Indexed: 02/07/2023]
Abstract
Collagen alpha-1(III) chain, also known as the alpha 1 chain of type III collagen, is a protein that in humans is encoded by the COL3A1 gene. Three alpha 1 chains are required to form the type III collagen molecule which has a long triple-helical domain. Type III collagen, an extracellular matrix protein, is synthesized by cells as a pre-procollagen. It is found as a major structural component in hollow organs such as large blood vessels, uterus and bowel. Other functions of type III collagen include interaction with platelets in the blood clotting cascade and it is also an important signaling molecule in wound healing. Mutations in the COL3A1 gene cause the vascular type of Ehlers-Danlos syndrome (vEDS; OMIM 130050). It is the most serious form of EDS, since patients often die suddenly due to a rupture of large arteries. Inactivation of the murine Col3a1 gene leads to a shorter life span in homozygous mutant mice. The mice die prematurely from a rupture of major arteries mimicking the human vEDS phenotype. The biochemical and cellular effects of COL3A1 mutations have been studied extensively. Most of the glycine mutations lead to the synthesis of type III collagen with reduced thermal stability, which is more susceptible for proteinases. Intracellular accumulation of this normally secreted protein is also found. Ultrastructural analyses have demonstrated dilated rough endoplasmic reticulum and changes in the diameter of collagen fibers. Other clinical conditions associated with type III collagen are several types of fibroses in which increased amounts of type III collagen accumulate in the target organs.
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Costa-Almeida R, Calejo I, Altieri R, Domingues RMA, Giordano E, Reis RL, Gomes ME. Exploring platelet lysate hydrogel-coated suture threads as biofunctional composite living fibers for cell delivery in tissue repair. ACTA ACUST UNITED AC 2019; 14:034104. [PMID: 30844766 DOI: 10.1088/1748-605x/ab0de6] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
To engineer functional tissue substitutes, it is required a multi-component, multi-scale approach that combines both physical, chemical and biological cues. Fiber-based techniques have been explored in the field of tissue engineering to produce structures recapitulating tissue architecture and mechanical properties. In this work, we engineered biofunctional composite living fibers (CLF) as multi-compartment fibers with a mechanically competent core and a hydrogel layer. For this purpose, commercial silk suture threads were coated with a platelet lysate (PL) hydrogel by first embedding the threads in a thrombin solution and then incubating in PL. The fabrication set-up was optimized and the biological performance was studied by encapsulating human adipose-derived stem cells (hASCs). The developed coating process rendered CLF with a homogenous PL hydrogel layer covering suture threads. Encapsulated hASCs were viable up to 14 d in culture and were able to align at the surface of the core fiber and deposit collagen types I and III. In summary, the study shows that PL-hASCs hydrogel coated suture threads represent a simple multi-compartment and multifunctional system, with PL hydrogel offering biofunctionality to guide the biological activities of encapsulated cells in addition to the replication of tissue-level mechanical support provided by the suture threads.
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Affiliation(s)
- Raquel Costa-Almeida
- 3B's Research Group, I3Bs-Research Institute on Biomaterials, Biodegradables and Biomimetics, University of Minho, Headquarters of the European Institute of Excellence on Tissue Engineering and Regenerative Medicine, AvePark, Parque de Ciência e Tecnologia, Zona Industrial da Gandra, 4805-017 Barco, Guimarães, Portugal. ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal
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Yang J, Dong Y, Wang J, Chen C, Zhu Y, Wu Y, Zhang P, Chen T, Zhou W, Wu P, Thanh NTK, Ngoc Quyên Trân, Chen J, Chen S. Hydroxypropylcellulose Coating to Improve Graft-to-Bone Healing for Anterior Cruciate Ligament Reconstruction. ACS Biomater Sci Eng 2019; 5:1793-1803. [PMID: 33405554 DOI: 10.1021/acsbiomaterials.8b01145] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Jianjun Yang
- Department of Orthopaedics, Tenth People’s Hospital of Tongji University, Shanghai 200072, People’s Republic of China
| | - Yu Dong
- Fudan University Sports Medicine Center and Department of Sports Medicine and Arthroscopy Surgery, Huashan Hospital, Fudan University, Shanghai 200040, People’s Republic of China
| | - Jianguang Wang
- Department of Orthopaedics, Tenth People’s Hospital of Tongji University, Shanghai 200072, People’s Republic of China
| | - Chen Chen
- Sports Medicine Center, Shanghai Six People’s Hospital and Six People’s Hospital Affiliated with Shanghai Jiaotong University, Shanghai 200233, People’s Republic of China
| | - Yuchang Zhu
- Department of Orthopaedics, Tenth People’s Hospital of Tongji University, Shanghai 200072, People’s Republic of China
| | - Yang Wu
- Fudan University Sports Medicine Center and Department of Sports Medicine and Arthroscopy Surgery, Huashan Hospital, Fudan University, Shanghai 200040, People’s Republic of China
| | - Peng Zhang
- Fudan University Sports Medicine Center and Department of Sports Medicine and Arthroscopy Surgery, Huashan Hospital, Fudan University, Shanghai 200040, People’s Republic of China
| | - Tianwu Chen
- Fudan University Sports Medicine Center and Department of Sports Medicine and Arthroscopy Surgery, Huashan Hospital, Fudan University, Shanghai 200040, People’s Republic of China
| | - Weifeng Zhou
- Department of Orthopaedics, Cixi People’s Hospital and Cixi Hospital Affiliated with Wenzhou Medical University, Ningbo 315300, People’s Republic of China
| | - Peiyi Wu
- Key Laboratory of Molecular Engineering of Polymers of Ministry of Education, Department of Macromolecular Science and Laboratory of Advanced Materials, Fudan University, Shanghai 200433, People’s Republic of China
| | - Nguyen T. K. Thanh
- Biophysics Group, Department of Physics and Astronomy, University College London, Gower Street, London WC1E 6BT, United Kingdom
| | - Ngoc Quyên Trân
- Institute of Applied Materials Science, Vietnam Academy Science and Technology, Ho Chi Minh City, 700000, Vietnam
- Graduate University of Science and Technology, Vietnam Academy of Science and Technology, Ho Chi Minh City, 700000, Vietnam
| | - Jun Chen
- Fudan University Sports Medicine Center and Department of Sports Medicine and Arthroscopy Surgery, Huashan Hospital, Fudan University, Shanghai 200040, People’s Republic of China
| | - Shiyi Chen
- Fudan University Sports Medicine Center and Department of Sports Medicine and Arthroscopy Surgery, Huashan Hospital, Fudan University, Shanghai 200040, People’s Republic of China
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Gröngröft I, Wissing S, Meesters DM, Poeze M, Matthys-Mark R, Ito K, Zeiter S. Development of a novel murine delayed secondary fracture healing in vivo model using periosteal cauterization. Arch Orthop Trauma Surg 2019; 139:1743-53. [PMID: 31399754 DOI: 10.1007/s00402-019-03255-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Indexed: 11/12/2022]
Abstract
INTRODUCTION Delayed union and nonunion development remain a major clinical problematic complication during fracture healing, with partially unclear pathophysiology. Incidences range from 5 to 40% in high-risk patients, such as patients with periosteal damage. The periosteum is essential in adequate fracture healing, especially during soft callus formation. In this study, we hypothesize that inducing periosteal damage in a murine bone healing model will result in a novel delayed union model. MATERIALS AND METHODS A mid-shaft femoral non-critically sized osteotomy was created in skeletally mature C57BL/6 mice and stabilized with a bridging plate. In half of the mice, a thin band of periosteum adjacent to the osteotomy was cauterized. Over 42 days of healing, radiographic, biomechanical, micro-computed tomography and histological analysis was performed to assess the degree of fracture healing. RESULTS Analysis showed complete secondary fracture healing in the control group without periosteal injury. Whereas the periosteal injury group demonstrated less than half as much maximum callus volume (p < 0.05) and bridging, recovery of stiffness and temporal expression of callus growth and remodelling was delayed by 7-15 days. CONCLUSION This paper introduces a novel mouse model of delayed union without a critically sized defect and with standardized biomechanical conditions, which enables further investigation into the molecular biological, biomechanical, and biochemical processes involved in (delayed) fracture healing and nonunion development. This model provides a continuum between normal fracture healing and the development of nonunions.
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Bahl N, Stone G, McLean M, Ho KKY, Birzniece V. Decorin, a growth hormone-regulated protein in humans. Eur J Endocrinol 2018; 178:145-152. [PMID: 29138241 DOI: 10.1530/eje-17-0844] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2017] [Revised: 11/03/2017] [Accepted: 11/14/2017] [Indexed: 11/08/2022]
Abstract
CONTEXT Growth hormone (GH) stimulates connective tissue and muscle growth, an effect that is potentiated by testosterone. Decorin, a myokine and a connective tissue protein, stimulates connective tissue accretion and muscle hypertrophy. Whether GH and testosterone regulate decorin in humans is not known. OBJECTIVE To determine whether decorin is stimulated by GH and testosterone. DESIGN Randomized, placebo-controlled, double-blind study. PARTICIPANTS AND INTERVENTION 96 recreationally trained athletes (63 men, 33 women) received 8 weeks of treatment followed by a 6-week washout period. Men received placebo, GH (2 mg/day), testosterone (250 mg/week) or combination. Women received either placebo or GH (2 mg/day). MAIN OUTCOME MEASURE Serum decorin concentration. RESULTS GH treatment significantly increased mean serum decorin concentration by 12.7 ± 4.2%; P < 0.01. There was a gender difference in the decorin response to GH, with greater increase in men than in women (∆ 16.5 ± 5.3%; P < 0.05 compared to ∆ 9.4 ± 6.5%; P = 0.16). Testosterone did not significantly change serum decorin. Combined GH and testosterone treatment increased mean decorin concentration by 19.5 ± 3.7% (P < 0.05), a change not significantly different from GH alone. CONCLUSION GH significantly increases circulating decorin, an effect greater in men than in women. Decorin is not affected by testosterone. We conclude that GH positively regulates decorin in humans in a gender-dimorphic manner.
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Affiliation(s)
- Neha Bahl
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
- School of Medicine, Western Sydney University, Blacktown Clinical School and Research Centre, Blacktown Hospital, Blacktown, New South Wales, Australia
| | - Glenn Stone
- School of Computing, Engineering and Mathematics, Western Sydney University, Penrith, New South Wales, Australia
| | - Mark McLean
- School of Medicine, Western Sydney University, Blacktown Clinical School and Research Centre, Blacktown Hospital, Blacktown, New South Wales, Australia
| | - Ken K Y Ho
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
- Centres of Health Research, Princess Alexandra Hospital, Brisbane, Queensland, Australia
| | - Vita Birzniece
- Garvan Institute of Medical Research, Sydney, New South Wales, Australia
- School of Medicine, Western Sydney University, Blacktown Clinical School and Research Centre, Blacktown Hospital, Blacktown, New South Wales, Australia
- School of Medicine, University of New South Wales, New South Wales, Australia
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