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Fernandes Da Costa C, Attik N, Gauthier R. Influence of intramedullary pressure on Lacuno-Canalicular fluid flow: A systematic review. Acta Biomater 2024; 178:41-49. [PMID: 38484832 DOI: 10.1016/j.actbio.2024.03.003] [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: 10/26/2023] [Revised: 03/01/2024] [Accepted: 03/06/2024] [Indexed: 03/24/2024]
Abstract
While most of current models investigating bone remodelling are based on matrix deformation, intramedullary pressure also plays a role. Bone remodelling is orchestrated by the Lacuno-Canalicular Network (LCN) fluid-flow. The aim of this review was hence to assess the influence of intramedullary pressure on the fluid circulation within the LCN. Three databases (Science Direct, Web of Science, and PubMed) were used. The first phase of the search returned 731 articles, of which 9 respected the inclusion/exclusion criteria and were included. These studies confirm the association between intramedullary pressure and fluid dynamics in the LCN. Among the included studies, 7 experimental studies using animal models and 2 numerical models were found. The studies were then ranked according to the nature of the applied loading, either axial compression or direct cyclic intramedullary pressure. The current review revealed that there is an influence of intramedullary pressure on LCN fluid dynamics and that this influence depends on the magnitude and the frequency of the applied pressure. Two studies confirmed that the influence was effective even without bone matrix deformation. While intramedullary pressure is closely associated with LCN fluid, there is a severe lack of studies on this topic. STATEMENT OF SIGNIFICANCE: Since the 1990's, numerical models developed to investigate fluid flow in bone submicrometric porous network are based on the flow induced by matrix deformation. Bone fluid flow is known to be involved in cells stimulation and hence directly influences bone remodeling. Different studies have shown that intramedullary pressure is also associated with bone mechanosensitive adaptation. This pressure is developed in bone due to blood circulation and is increased during loading or muscle stimulation. The current article reviews the studies investigating the influence of this pressure on bone porous fluid flow. They show that fluid flow is involved by this pressure even without bone matrix deformation. The current review article highlights the severe lack of studies about this mechanism.
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Affiliation(s)
- Cassandra Fernandes Da Costa
- UMR CNRS 5615, Laboratoire des Multimatériaux et Interfaces, Université de Lyon, Université Claude Bernard Lyon 1, Lyon 69372 CEDEX 08, France; CNRS, INSA Lyon, MATEIS, UMR5510, Université de Lyon, Université Claude Bernard Lyon 1, 7 avenue Jean Capelle, Villeurbanne CEDEX 69621, France
| | - Nina Attik
- UMR CNRS 5615, Laboratoire des Multimatériaux et Interfaces, Université de Lyon, Université Claude Bernard Lyon 1, Lyon 69372 CEDEX 08, France; Faculté d'Odontologie, Université de Lyon, Université Claude Bernard Lyon 1, Lyon 69372 CEDEX 08, France.
| | - Remy Gauthier
- CNRS, INSA Lyon, MATEIS, UMR5510, Université de Lyon, Université Claude Bernard Lyon 1, 7 avenue Jean Capelle, Villeurbanne CEDEX 69621, France.
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Zhang K, Ogando C, Filip A, Zhang T, Horton JA, Soman P. In vitromodel to study confined osteocyte networks exposed to flow-induced mechanical stimuli. Biomed Mater 2022; 17:10.1088/1748-605X/aca37c. [PMID: 36384043 PMCID: PMC10642715 DOI: 10.1088/1748-605x/aca37c] [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: 08/17/2022] [Accepted: 11/16/2022] [Indexed: 11/18/2022]
Abstract
Osteocytes are considered the primary mechanical sensor in bone tissue and orchestrate the coupled bone remodeling activity of adjacent osteoblast and osteoclast cells.In vivoinvestigation of mechanically induced signal propagation through networks of interconnected osteocytes is confounded by their confinement within the mineralized bone matrix, which cannot be modeled in conventional culture systems. In this study, we developed a new model that mimics thisin vivoconfinement using gelatin methacrylate (GelMA) hydrogel or GelMA mineralized using osteoblast-like model cells. This model also enables real-time optical examination of osteocyte calcium (Ca2+) signaling dynamics in response to fluid shear stimuli cultured under confined conditions. Using this system, we discovered several distinct and previously undescribed patterns of Ca2+responses that vary across networks of interconnected osteocytes as a function of space, time and connectivity. Heterogeneity in Ca2+signaling may provide new insights into bone remodeling in response to mechanical loading. Overall, such a model can be extended to study signaling dynamics within cell networks exposed to flow-induced mechanical stimuli under confined conditions.
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Affiliation(s)
- Kairui Zhang
- Department of Biomedical and Chemical Engineering, Syracuse University, Syracuse, NY, USA, 13244
- Syracuse Biomaterials Institute, Syracuse, NY, USA, 13244
| | - Courtney Ogando
- Department of Biomedical and Chemical Engineering, Syracuse University, Syracuse, NY, USA, 13244
- Syracuse Biomaterials Institute, Syracuse, NY, USA, 13244
| | - Alex Filip
- Department of Biomedical and Chemical Engineering, Syracuse University, Syracuse, NY, USA, 13244
- Syracuse Biomaterials Institute, Syracuse, NY, USA, 13244
| | - Teng Zhang
- Syracuse Biomaterials Institute, Syracuse, NY, USA, 13244
- Department of Mechanical and Aerospace Engineering, Syracuse University, Syracuse, NY, USA, 13244
| | - Jason A. Horton
- Syracuse Biomaterials Institute, Syracuse, NY, USA, 13244
- Dept. of Orthopedic Surgery, SUNY Upstate Medical University, Syracuse, NY, USA 13210
| | - Pranav Soman
- Department of Biomedical and Chemical Engineering, Syracuse University, Syracuse, NY, USA, 13244
- Syracuse Biomaterials Institute, Syracuse, NY, USA, 13244
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Pei Q, Li J, Zhou P, Zhang J, Huang P, Fan J, Zou Z, Li X, Wang B. A Potential Participant in Type 2 Diabetes Bone Fragility: TIMP-1 at Sites of Osteocyte Lacunar-Canalicular System. Diabetes Metab Syndr Obes 2021; 14:4903-4909. [PMID: 34992398 PMCID: PMC8711839 DOI: 10.2147/dmso.s345081] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/19/2021] [Accepted: 12/12/2021] [Indexed: 11/23/2022] Open
Abstract
Type 2 diabetes mellitus (T2DM) is associated with an increased risk of bone fracture, but the bone mineral density (BMD) is typically normal or higher in such patients. Because the fracture risk is independent of reduced BMD, bone fragility in T2DM may be partially due to poor bone quality. The mechanisms triggering bone quality abnormalities in T2DM are complex, and include the accumulation of advanced glycation end-products, the increased inflammation, and low bone turnover. Matrix metalloproteinases (MMPs) in bone can hydrolyze the bone matrix. Tissue inhibitors of MMPs (TIMPs) can inhibit the activity of MMPs. Both MMPs and TIMPs participate in mediating bone quality. Among all types of TIMPs, TIMP-1 is mostly reportedly increased in the serum of T2DM patients. Because osteocytes can express TIMP-1, and osteocyte pericellular matrix influences bone quality partially regulated by perilacunar/canalicular remodeling, we hypothesized that TIMP-1 at sites of osteocyte lacunar-canalicular system is involved in T2DM bone fragility.
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Affiliation(s)
- Qilin Pei
- Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, People’s Republic of China
| | - Jun Li
- Department of Orthopedic Surgery, Chengdu Fifth People’s Hospital, Chengdu, Sichuan Province, 610072, People’s Republic of China
| | - Pengfei Zhou
- Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Stomatological Hospital of Chongqing Medical University, Chongqing, 401147, People’s Republic of China
| | - Jun Zhang
- Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, People’s Republic of China
| | - Peng Huang
- Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, People’s Republic of China
| | - Jingchuan Fan
- Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, People’s Republic of China
| | - Zhen Zou
- Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, People’s Republic of China
| | - Xi Li
- Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, People’s Republic of China
| | - Bin Wang
- Institute of Life Sciences, Chongqing Medical University, Chongqing, 400016, People’s Republic of China
- Correspondence: Bin Wang; Xi Li Email ;
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Affiliation(s)
- X Edward Guo
- Department of Biomedical Engineering, Columbia University, 1210 Amsterdam Avenue, New York, NY 10027
| | - Clark T Hung
- Department of Biomedical Engineering, Columbia University, 1210 Amsterdam Avenue, New York, NY 10027
| | - Linda J Sandell
- Department of Orthopaedic Surgery, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110
| | - Matthew J Silva
- Department of Orthopaedic Surgery, Washington University School of Medicine, 660 S. Euclid Avenue, St. Louis, MO 63110
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