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Yuan X, Zhu W, Yang Z, He N, Chen F, Han X, Zhou K. Recent Advances in 3D Printing of Smart Scaffolds for Bone Tissue Engineering and Regeneration. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2403641. [PMID: 38861754 DOI: 10.1002/adma.202403641] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/11/2024] [Revised: 05/15/2024] [Indexed: 06/13/2024]
Abstract
The repair and functional reconstruction of bone defects resulting from severe trauma, surgical resection, degenerative disease, and congenital malformation pose significant clinical challenges. Bone tissue engineering (BTE) holds immense potential in treating these severe bone defects, without incurring prevalent complications associated with conventional autologous or allogeneic bone grafts. 3D printing technology enables control over architectural structures at multiple length scales and has been extensively employed to process biomimetic scaffolds for BTE. In contrast to inert and functional bone grafts, next-generation smart scaffolds possess a remarkable ability to mimic the dynamic nature of native extracellular matrix (ECM), thereby facilitating bone repair and regeneration. Additionally, they can generate tailored and controllable therapeutic effects, such as antibacterial or antitumor properties, in response to exogenous and/or endogenous stimuli. This review provides a comprehensive assessment of the progress of 3D-printed smart scaffolds for BTE applications. It begins with an introduction to bone physiology, followed by an overview of 3D printing technologies utilized for smart scaffolds. Notable advances in various stimuli-responsive strategies, therapeutic efficacy, and applications of 3D-printed smart scaffolds are discussed. Finally, the review highlights the existing challenges in the development and clinical implementation of smart scaffolds, as well as emerging technologies in this field.
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Affiliation(s)
- Xun Yuan
- National Engineering Research Centre for High Efficiency Grinding, College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082, China
| | - Wei Zhu
- National Engineering Research Centre for High Efficiency Grinding, College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082, China
| | - Zhongyuan Yang
- National Engineering Research Centre for High Efficiency Grinding, College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082, China
| | - Ning He
- National Engineering Research Centre for High Efficiency Grinding, College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082, China
| | - Feng Chen
- National Engineering Research Centre for High Efficiency Grinding, College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082, China
| | - Xiaoxiao Han
- National Engineering Research Centre for High Efficiency Grinding, College of Mechanical and Vehicle Engineering, Hunan University, Changsha, 410082, China
| | - Kun Zhou
- Singapore Centre for 3D Printing, School of Mechanical and Aerospace Engineering, Nanyang Technological University, 50 Nanyang Avenue, Singapore, 639798, Singapore
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Babendreyer A, Kieselhorst J, Rinkens C, Lyashenko AM, Düsterhöft S, Jahr H, Craveiro RB, Wolf M, Ludwig A. Downregulation of the metalloproteinases ADAM10 or ADAM17 promotes osteoclast differentiation. Cell Commun Signal 2024; 22:322. [PMID: 38863060 PMCID: PMC11167776 DOI: 10.1186/s12964-024-01690-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2024] [Accepted: 05/28/2024] [Indexed: 06/13/2024] Open
Abstract
Bone resorption is driven through osteoclast differentiation by macrophage colony-stimulating factor (M-CSF) and receptor activator of nuclear factor kappa-Β ligand (RANKL). We noted that a disintegrin and metalloproteinase (ADAM) 10 and ADAM17 are downregulated at the expression level during osteoclast differentiation of the murine monocytic cell line RAW264.7 in response to RANKL. Both proteinases are well known to shed a variety of single-pass transmembrane molecules from the cell surface. We further showed that inhibitors of ADAM10 or ADAM17 promote osteoclastic differentiation and furthermore enhance the surface expression of receptors for RANKL and M-CSF on RAW264.7 cells. Using murine bone marrow-derived monocytic cells (BMDMCs), we demonstrated that a genetic deficiency of ADAM17 or its required regulator iRhom2 leads to increased osteoclast development in response to M-CSF and RANKL stimulation. Moreover, ADAM17-deficient osteoclast precursor cells express increased levels of the receptors for RANKL and M-CSF. Thus, ADAM17 negatively regulates osteoclast differentiation, most likely through shedding of these receptors. To assess the time-dependent contribution of ADAM10, we blocked this proteinase by adding a specific inhibitor on day 0 of BMDMC stimulation with M-CSF or on day 7 of subsequent stimulation with RANKL. Only ADAM10 inhibition beginning on day 7 increased the size of developing osteoclasts indicating that ADAM10 suppresses osteoclast differentiation at a later stage. Finally, we could confirm our findings in human peripheral blood mononuclear cells (PBMCs). Thus, downregulation of either ADAM10 or ADAM17 during osteoclast differentiation may represent a novel regulatory mechanism to enhance their differentiation process. Enhanced bone resorption is a critical issue in osteoporosis and is driven through osteoclast differentiation by specific osteogenic mediators. The present study demonstrated that the metalloproteinases ADAM17 and ADAM10 critically suppress osteoclast development. This was observed for a murine cell line, for isolated murine bone marrow cells and for human blood cells by either preferential inhibition of the proteinases or by gene knockout. As a possible mechanism, we studied the surface expression of critical receptors for osteogenic mediators on developing osteoclasts. Our findings revealed that the suppressive effects of ADAM17 and ADAM10 on osteoclastogenesis can be explained in part by the proteolytic cleavage of surface receptors by ADAM10 and ADAM17, which reduces the sensitivity of these cells to osteogenic mediators. We also observed that osteoclast differentiation was associated with the downregulation of ADAM10 and ADAM17, which reduced their suppressive effects. We therefore propose that this downregulation serves as a feedback loop for enhancing osteoclast development.
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Affiliation(s)
- Aaron Babendreyer
- Institute of Molecular Pharmacology, University Hospital RWTH Aachen, Pauwelsstr. 30, 52074, Aachen, Germany.
| | - Julia Kieselhorst
- Institute of Molecular Pharmacology, University Hospital RWTH Aachen, Pauwelsstr. 30, 52074, Aachen, Germany
| | - Cindy Rinkens
- Institute of Molecular Pharmacology, University Hospital RWTH Aachen, Pauwelsstr. 30, 52074, Aachen, Germany
| | - Anastasia M Lyashenko
- Institute of Molecular Pharmacology, University Hospital RWTH Aachen, Pauwelsstr. 30, 52074, Aachen, Germany
| | - Stefan Düsterhöft
- Institute of Molecular Pharmacology, University Hospital RWTH Aachen, Pauwelsstr. 30, 52074, Aachen, Germany
| | - Holger Jahr
- Institute of Anatomy and Cell Biology, University Hospital RWTH Aachen, Aachen, Germany
- Institute of Structural Mechanics and Lightweight Design, RWTH Aachen University, Aachen, Germany
| | - Rogerio B Craveiro
- Department of Orthodontics, University Hospital RWTH Aachen, Aachen, Germany
| | - Michael Wolf
- Department of Orthodontics, University Hospital RWTH Aachen, Aachen, Germany
| | - Andreas Ludwig
- Institute of Molecular Pharmacology, University Hospital RWTH Aachen, Pauwelsstr. 30, 52074, Aachen, Germany.
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Zhang YY, Xie N, Sun XD, Nice EC, Liou YC, Huang C, Zhu H, Shen Z. Insights and implications of sexual dimorphism in osteoporosis. Bone Res 2024; 12:8. [PMID: 38368422 PMCID: PMC10874461 DOI: 10.1038/s41413-023-00306-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2023] [Revised: 11/04/2023] [Accepted: 11/27/2023] [Indexed: 02/19/2024] Open
Abstract
Osteoporosis, a metabolic bone disease characterized by low bone mineral density and deterioration of bone microarchitecture, has led to a high risk of fatal osteoporotic fractures worldwide. Accumulating evidence has revealed that sexual dimorphism is a notable feature of osteoporosis, with sex-specific differences in epidemiology and pathogenesis. Specifically, females are more susceptible than males to osteoporosis, while males are more prone to disability or death from the disease. To date, sex chromosome abnormalities and steroid hormones have been proven to contribute greatly to sexual dimorphism in osteoporosis by regulating the functions of bone cells. Understanding the sex-specific differences in osteoporosis and its related complications is essential for improving treatment strategies tailored to women and men. This literature review focuses on the mechanisms underlying sexual dimorphism in osteoporosis, mainly in a population of aging patients, chronic glucocorticoid administration, and diabetes. Moreover, we highlight the implications of sexual dimorphism for developing therapeutics and preventive strategies and screening approaches tailored to women and men. Additionally, the challenges in translating bench research to bedside treatments and future directions to overcome these obstacles will be discussed.
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Affiliation(s)
- Yuan-Yuan Zhang
- Key Laboratory of Drug-Targeting and Drug Delivery System of the Education Ministry and Sichuan Province, Sichuan Research Center for Drug Precision Industrial Technology, West China School of Pharmacy, Sichuan University, Chengdu, 610041, China
| | - Na Xie
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Xiao-Dong Sun
- West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Edouard C Nice
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, VIC, 3800, Australia
| | - Yih-Cherng Liou
- Department of Biological Sciences, Faculty of Science, National University of Singapore, Singapore, 117543, Republic of Singapore
| | - Canhua Huang
- Department of Biotherapy, Cancer Center and State Key Laboratory of Biotherapy, West China Hospital, and West China School of Basic Medical Sciences & Forensic Medicine, Sichuan University, Chengdu, 610041, China
| | - Huili Zhu
- Key Laboratory of Birth Defects and Related Diseases of Women and Children of Ministry of Education, Department of Reproductive Medicine, West China Second University Hospital of Sichuan University, Chengdu, China.
| | - Zhisen Shen
- Department of Otorhinolaryngology and Head and Neck Surgery, The Affiliated Lihuili Hospital, Ningbo University, 315040, Ningbo, Zhejiang, China.
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Morford L, Baracani R, Varela A, Tatiparthi A, Summan M, McVean M, Funk KA. Juvenile Bone Toxicity: Study Considerations, Regulations, and Techniques for Assessment. Int J Toxicol 2023; 42:182-197. [PMID: 36519492 DOI: 10.1177/10915818221145327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Recommendations on study designs that adequately evaluate the in-life effects leading to juvenile bone toxicity, the various imaging modalities that can aid interpretation of the bone effects, biomarkers that may be useful, and regulatory issues were presented in this 2020 ACT symposium. The pathologies encountered in past studies were briefly mentioned. The first speaker covered study design and the numbers of juveniles that may be necessary to power the evaluation. Changes in the International Council for Harmonisation (IHC) guidelines were reviewed. The second speaker launched the rest of the symposium by describing the tools that may help assess juvenile bone toxicity, specifically those used to monitor bone toxicity, healing, and remodeling as they relate or drive the study design including model, species selection, and age. The third speaker addressed in more depth the micro-Computed Tomography (CT) applications in juvenile toxicology for evaluation of skeletal elements and bone growth in both embryo-fetal development (EFD) and pre and postnatal development (PPND) studies. Lastly, a regulatory perspective on strategies to assess juvenile bone toxicity and the concerns of the regulatory agency with respect to these potential changes in the juvenile population was addressed.
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Affiliation(s)
| | | | | | - Arun Tatiparthi
- Labcorp Early Development Laboratories Inc., Greenfield, IN, USA
| | | | | | - Kathleen A Funk
- Experimental Pathology Laboratories, Inc., Sterling, VA, USA
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Föger-Samwald U, Kerschan-Schindl K, Butylina M, Pietschmann P. Age Related Osteoporosis: Targeting Cellular Senescence. Int J Mol Sci 2022; 23:ijms23052701. [PMID: 35269841 PMCID: PMC8910503 DOI: 10.3390/ijms23052701] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 02/25/2022] [Accepted: 02/25/2022] [Indexed: 12/14/2022] Open
Abstract
Age-related chronic diseases are an enormous burden to modern societies worldwide. Among these, osteoporosis, a condition that predisposes individuals to an increased risk of fractures, substantially contributes to increased mortality and health-care costs in elderly. It is now well accepted that advanced chronical age is one of the main risk factors for chronical diseases. Hence, targeting fundamental aging mechanisms such as senescence has become a promising option in the treatment of these diseases. Moreover, for osteoporosis, the main pathophysiological concepts arise from menopause causing estrogen deficiency, and from aging. Here, we focus on recent advances in the understanding of senescence-related mechanisms contributing to age-related bone loss. Furthermore, treatment options for senile osteoporosis targeting senescent cells are reviewed.
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Affiliation(s)
- Ursula Föger-Samwald
- Medical Science and Human Medicine Study Programme, Karl Landsteiner University of Health Sciences, 3500 Krems an der Donau, Austria
- Correspondence:
| | | | - Maria Butylina
- Department of Pathophysiology and Allergy Research, Medical University of Vienna, 1090 Vienna, Austria; (M.B.); (P.P.)
| | - Peter Pietschmann
- Department of Pathophysiology and Allergy Research, Medical University of Vienna, 1090 Vienna, Austria; (M.B.); (P.P.)
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Rao DB, Hoberman AM, Brown PC, Varela A, Bolon B. Regulatory Perspectives on Juvenile Animal Toxicologic Pathology. Toxicol Pathol 2021; 49:1393-1404. [PMID: 34620014 DOI: 10.1177/01926233211046869] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
The Society of Toxicologic Pathology's Annual Virtual Symposium (2021) included a session on "Regulatory Perspectives on Juvenile Animal Toxicologic Pathology." The following narrative summarizes the key concepts from the four talks included in this symposium session chaired by Drs Deepa Rao and Alan Hoberman. These encompass an overview of various global regulations impacting the conduct of juvenile animal studies in pharmaceutical drug development and chemical toxicity assessments in a talk by Dr Alan Hoberman. Given the numerous regulatory guidances and legal statutes that have covered the conduct of juvenile animal studies and the recent harmonization of these guidances for pharmaceuticals, Dr Paul Brown provided an update on the harmonization of these guidances for pharmaceuticals, in the recently finalized version of the International Council for Harmonisation of Technical Requirements for Pharmaceuticals for Human Use S11 guidance document, "Nonclinical Safety Testing in Support of Development of Pediatric Medicines." The first two talks on regulations were followed by two talks focused on an evaluation of the postnatal development of two major organ systems relevant in juvenile animals. Dr Aurore Varela covered study design and endpoints impacting the skeletal system (bone), while Dr Brad Bolon presented a talk on the study design and conduct of neuropathology evaluations for the developing nervous system.
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Affiliation(s)
- Deepa B Rao
- Greenfield Pathology Services Inc., Greenfield, IN, USA
| | | | - Paul C Brown
- US Food and Drug Administration, Silver Spring, MD, USA
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Borges JS, Rabelo GD, Irie MS, Paz JLC, Spin-Neto R, Soares PBF. Cortical Bone Modifications after Radiotherapy: Cortex Porosity and Osteonal Changes Evaluated Over Time. Braz Dent J 2021; 32:9-15. [PMID: 33914008 DOI: 10.1590/0103-6440202103384] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2020] [Accepted: 10/14/2020] [Indexed: 11/22/2022] Open
Abstract
Aiming to evaluate cortical bone microarchitecture and osteonal morphology after irradiation, twelve male New Zealand rabbits were used. The animals were divided: control group (no radiation-NIr); and 3 irradiated groups, sacrificed after: 7 (Ir7d); 14 (Ir14d) and 21 (Ir21d) days. A single radiation dose of 30 Gy was used. Computed microtomography analyzed the cortical microarchitecture: cortical thickness (CtTh), bone volume (BV), total porosity (Ct.Po), intracortical porosity (CtPo-cl), channel/pore number (Po.N), fractal dimension (FD) and degree of anisotropy (Ct.DA). After scan, osteonal morphology was histologically assessed by means: area and perimeter of the osteons (O.Ar; O.p) and of the Haversian canals (C.Ar; C.p). Microtomographic analysis were performed by ANOVA, followed by Tukey and Dunnet tests. Osteon morphology analyses were performed by Kruskal-Wallis, and test Dunn's. Cortical thickness was significant difference (p<0.010) between the NIr and irradiated groups, with thicker cortex at Ir7d (1.15±0.09). The intracortical porosity revealed significant difference (p<0.001) between irradiated groups and NIr, with lower value for Ir7d (0.29±0.09). Bone volume was lower in Ir14d compared to control. Area and perimeter of the osteons were statistically different (p<0.0001) between NIr and Ir7d. Haversian canals also revealed lower values (p<0.0001) in Ir7d (80.57±9.3; 31.63±6.5) compared to NIr and irradiated groups. Cortical microarchitecture was affected by radiation, and the effects appear to be time-dependent, mostly regarding the osteons morphology at the initial days. Cortex structure in Ir21d revealed similarities to control suggesting that microarchitecture resembles normal condition after a period.
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Affiliation(s)
- Juliana Simeão Borges
- Periodontology Department, Faculty of Dentistry, UFU - Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - Gustavo Davi Rabelo
- Dentistry Department, UFSC: Universidade Federal de Santa Catarina, Florianópolis, SC, Brazil
| | - Milena Suemi Irie
- Periodontology Department, Faculty of Dentistry, UFU - Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - João Lucas Carvalho Paz
- Periodontology Department, Faculty of Dentistry, UFU - Universidade Federal de Uberlândia, Uberlândia, MG, Brazil
| | - Rubens Spin-Neto
- Dentistry Department and Oral Health, Oral Radiology Department, Aarhus University, Aarhus, Denmark
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Gavazzo P, Viti F, Donnelly H, Oliva MAG, Salmeron-Sanchez M, Dalby MJ, Vassalli M. Biophysical phenotyping of mesenchymal stem cells along the osteogenic differentiation pathway. Cell Biol Toxicol 2021; 37:915-933. [PMID: 33420657 DOI: 10.1007/s10565-020-09569-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Accepted: 10/30/2020] [Indexed: 12/22/2022]
Abstract
Mesenchymal stem cells represent an important resource, for bone regenerative medicine and therapeutic applications. This review focuses on new advancements and biophysical tools which exploit different physical and chemical markers of mesenchymal stem cell populations, to finely characterize phenotype changes along their osteogenic differentiation process. Special attention is paid to recently developed label-free methods, which allow monitoring cell populations with minimal invasiveness. Among them, quantitative phase imaging, suitable for single-cell morphometric analysis, and nanoindentation, functional to cellular biomechanics investigation. Moreover, the pool of ion channels expressed in cells during differentiation is discussed, with particular interest for calcium homoeostasis.Altogether, a biophysical perspective of osteogenesis is proposed, offering a valuable tool for the assessment of the cell stage, but also suggesting potential physiological links between apparently independent phenomena.
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Affiliation(s)
- Paola Gavazzo
- Institute of Biophysics, National Research Council, Genoa, Italy
| | - Federica Viti
- Institute of Biophysics, National Research Council, Genoa, Italy.
| | - Hannah Donnelly
- Centre for the Cellular Microenvironment, Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Mariana Azevedo Gonzalez Oliva
- Centre for the Cellular Microenvironment, Division of Biomedical Engineering, School of Engineering, University of Glasgow, Glasgow, UK
| | - Manuel Salmeron-Sanchez
- Centre for the Cellular Microenvironment, Division of Biomedical Engineering, School of Engineering, University of Glasgow, Glasgow, UK
| | - Matthew J Dalby
- Centre for the Cellular Microenvironment, Institute of Molecular, Cell and Systems Biology, College of Medical, Veterinary and Life Sciences, University of Glasgow, Glasgow, UK
| | - Massimo Vassalli
- Centre for the Cellular Microenvironment, Division of Biomedical Engineering, School of Engineering, University of Glasgow, Glasgow, UK
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Kovacova V, Sarocka A, Blahova J, Sranko P, Omelka R, Galbavy D, Kolesarova A, Martiniakova M. Long-term peroral administration of bitter apricot seeds influences cortical bone microstructure of rabbits. J Anim Physiol Anim Nutr (Berl) 2019; 104:362-370. [PMID: 31724244 DOI: 10.1111/jpn.13229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2019] [Revised: 09/03/2019] [Accepted: 09/25/2019] [Indexed: 11/28/2022]
Abstract
Apricot seeds due to the presence of cyanogenic glycoside amygdalin belong to the popular "alternative cancer cures", although anticancer effect of amygdalin remains controversial. This in vivo study points to the effect of long-term peroral administration of bitter apricot seeds on bone microstructure of rabbits since chronic amygdalin toxicity in relation to bone parameters has not been investigated yet. Rabbits (n = 16) were randomly divided into four experimental groups of 4 animals each. Three experimental groups S1, S2 and S3 received commercial feed for rabbits mixed with crushed bitter apricot seeds at doses 60, 300 and 420 mg/kg bw during five months, respectively. The control (C) group received no apricot seeds. The long-term consumption of apricot seeds had no impact on total body weight, femoral weight and femoral length of rabbits. Also, microcomputed tomography (3D analysis) of cortical and trabecular bone tissues did not reveal any significant impact of amygdalin toxicity on relative bone volume, BMD, cortical bone thickness, bone surface, trabecular number, thickness, and their separation. On the other hand, histological (2D) analysis demonstrated evident changes in cortical bone microstructure consistent with a decreased density of secondary osteons in the middle part of substantia compacta due to a replacement of Haversian bone tissue by plexiform bone tissue, vasoconstriction in the primary osteons' vascular canals, Haversian canals, and decreased sizes of secondary osteons in rabbits from S1, S2 and S3 groups. These negative changes are associated with different vascularization and biomechanical properties of cortical bones.
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Affiliation(s)
- Veronika Kovacova
- Department of Zoology and Anthropology, Constantine the Philosopher University, Nitra, Slovak Republic
| | - Anna Sarocka
- Department of Zoology and Anthropology, Constantine the Philosopher University, Nitra, Slovak Republic
| | - Jana Blahova
- Department of Botany and Genetics, Constantine the Philosopher University, Nitra, Slovak Republic
| | - Patrik Sranko
- Department of Botany and Genetics, Constantine the Philosopher University, Nitra, Slovak Republic
| | - Radoslav Omelka
- Department of Botany and Genetics, Constantine the Philosopher University, Nitra, Slovak Republic
| | | | - Adriana Kolesarova
- Faculty of Biotechnology and Food Sciences, Slovak University of Agriculture in Nitra, Nitra, Slovak Republic
| | - Monika Martiniakova
- Department of Zoology and Anthropology, Constantine the Philosopher University, Nitra, Slovak Republic
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Tao ZS, Wu XJ, Zhou WS, Wu XJ, Liao W, Yang M, Xu HG, Yang L. Local administration of aspirin with β-tricalcium phosphate/poly-lactic-co-glycolic acid (β-TCP/PLGA) could enhance osteoporotic bone regeneration. J Bone Miner Metab 2019; 37:1026-1035. [PMID: 31076895 DOI: 10.1007/s00774-019-01008-w] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Accepted: 04/22/2019] [Indexed: 12/13/2022]
Abstract
Composite materials β-tricalcium phosphate (β-TCP) and poly-lactic-co-glycolic acid (PLGA) have achieved stable bone regeneration without cell transplantation in previous studies. Recent research shows that aspirin (ASP) has great potential in promoting bone regeneration. The objective of the present study was to incorporate PLGA into β-TCP combined with a lower single-dose local administration of ASP to enhance its in vivo biodegradation and bone tissue growth. After the creation of a rodent critical-sized femoral metaphyseal bone defect, PLGA -modified β-TCP (TP) was prepared by mixing sieved granules of β-TCP and PLGA (50:50, v/v) for medical use, then TP with dripped 50 µg/0.1 ml and 100 µg/0.1 ml aspirin solution was implanted into the defect of OVX rats until death at 8 weeks. The defected area in distal femurs of rats was harvested for evaluation by histology, micro-CT, biomechanics and real time RT-PCR. The results of our study show that a single-dose local administration of ASP combined with the local usage of TP can increase the healing of defects in OVX rats. Single-dose local administration of aspirin can improve the transcription of genes involved in the regulation of bone formation and vascularization in the defect area, and inhibits osteoclast activity. Furthermore, treatments with a higher single-dose local administration of ASP and TP showed a stronger effect on accelerating the local bone formation than while using a lower dose of ASP. The results from our study demonstrate that the combination of a single-dose local administration of ASP and β-TCP/PLGA had an additive effect on local bone formation in osteoporosis rats, and bone regeneration by PLGA/β-TCP/ASP occured in a dose-dependent manner.
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Affiliation(s)
- Zhou-Shan Tao
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No. 2, Zhe shan Xi Road, Wuhu, 241001, Anhui, People's Republic of China
| | - Xing-Jing Wu
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No. 2, Zhe shan Xi Road, Wuhu, 241001, Anhui, People's Republic of China
| | - Wan-Shu Zhou
- Department of Geriatrics, The Second Affiliated Hospital of Wannan Medical College, No. 123, Kangfu Road, Wuhu, 241000, Anhui, People's Republic of China
| | - Xin-Ju Wu
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No. 2, Zhe shan Xi Road, Wuhu, 241001, Anhui, People's Republic of China
| | - Wei Liao
- Department of Orthopedics, Children's Hospital of Nanjing Medical University, No. 8, Jiangdong South Road, Jianye District, Nanjing, People's Republic of China
| | - Min Yang
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No. 2, Zhe shan Xi Road, Wuhu, 241001, Anhui, People's Republic of China.
| | - Hong-Guang Xu
- Department of Trauma Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No. 2, Zhe shan Xi Road, Wuhu, 241001, Anhui, People's Republic of China.
- Department of Spinal Orthopedics, The First Affiliated Hospital of Wannan Medical College, Yijishan Hospital, No. 2, Zhe shan Xi Road, Wuhu, 241001, Anhui, People's Republic of China.
| | - Lei Yang
- Department of Orthopaedics Surgery, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, No. 109, Xueyuan West Road, Lucheng District, Wenzhou, 325000, Zhejiang, People's Republic of China
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Lee J, Byun H, Madhurakkat Perikamana SK, Lee S, Shin H. Current Advances in Immunomodulatory Biomaterials for Bone Regeneration. Adv Healthc Mater 2019; 8:e1801106. [PMID: 30328293 DOI: 10.1002/adhm.201801106] [Citation(s) in RCA: 148] [Impact Index Per Article: 29.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2018] [Revised: 09/19/2018] [Indexed: 12/14/2022]
Abstract
Biomaterials with suitable surface modification strategies are contributing significantly to the rapid development of the field of bone tissue engineering. Despite these encouraging results, utilization of biomaterials is poorly translated to human clinical trials potentially due to lack of knowledge about the interaction between biomaterials and the body defense mechanism, the "immune system". The highly complex immune system involves the coordinated action of many immune cells that can produce various inflammatory and anti-inflammatory cytokines. Besides, bone fracture healing initiates with acute inflammation and may later transform to a regenerative or degenerative phase mainly due to the cross-talk between immune cells and other cells in the bone regeneration process. Among various immune cells, macrophages possess a significant role in the immune defense, where their polarization state plays a key role in the wound healing process. Growing evidence shows that the macrophage polarization state is highly sensitive to the biomaterial's physiochemical properties, and advances in biomaterial research now allow well controlled surface properties. This review provides an overview of biomaterial-mediated modulation of the immune response for regulating key bone regeneration events, such as osteogenesis, osteoclastogenesis, and inflammation, and it discusses how these strategies can be utilized for future bone tissue engineering applications.
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Affiliation(s)
- Jinkyu Lee
- Department of Bioengineering; Hanyang University; 222 Wangsimni-ro Seongdong-gu Seoul 04763 Republic of Korea
| | - Hayeon Byun
- Department of Bioengineering; Hanyang University; 222 Wangsimni-ro Seongdong-gu Seoul 04763 Republic of Korea
| | | | - Sangmin Lee
- Department of Bioengineering; Hanyang University; 222 Wangsimni-ro Seongdong-gu Seoul 04763 Republic of Korea
| | - Heungsoo Shin
- Department of Bioengineering; Hanyang University; 222 Wangsimni-ro Seongdong-gu Seoul 04763 Republic of Korea
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