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Malaval L, Follet H, Farlay D, Gineyts E, Rizzo S, Thomas C, Maalouf M, Normand M, Burt-Pichat B, Bouleftour W, Vanden-Boscche A, Laroche N, Vico L. OPN, BSP, and Bone Quality-Structural, Biochemical, and Biomechanical Assessment in OPN -/-, BSP -/-, and DKO Mice. Calcif Tissue Int 2024; 115:63-77. [PMID: 38733411 DOI: 10.1007/s00223-024-01217-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/20/2023] [Accepted: 04/12/2024] [Indexed: 05/13/2024]
Abstract
Osteopontin (OPN) and Bone Sialoprotein (BSP), abundantly expressed by osteoblasts and osteoclasts, appear to have important, partly overlapping functions in bone. In gene-knockout (KO, -/-) models of either protein and their double (D)KO in the same CD1/129sv genetic background, we analyzed the morphology, matrix characteristics, and biomechanical properties of femur bone in 2 and 4 month old, male and female mice. OPN-/- mice display inconsistent, perhaps localized hypermineralization, while the BSP-/- are hypomineralized throughout ages and sexes, and the low mineralization of young DKO mice recovers with age. The higher contribution of primary bone remnants in OPN-/- shafts suggests a slow turnover, while their lower percentage in BSP-/- indicates rapid remodeling, despite FTIR-based evidence in this genotype of a high maturity of the mineralized matrix. In 3-point bending assays, OPN-/- bones consistently display higher Maximal Load, Work to Max. Load and in young mice Ultimate Stress, an intrinsic characteristic of the matrix. Young male and old female BSP-/- also display high Work to Max. Load along with low Ultimate Stress. Principal Component Analysis confirms the major role of morphological traits in mechanical competence, and evidences a grouping of the WT phenotype with the OPN-/- and of BSP-/- with DKO, driven by both structural and matrix parameters, suggesting that the presence or absence of BSP has the most profound effects on skeletal properties. Single or double gene KO of OPN and BSP thus have multiple distinct effects on skeletal phenotypes, confirming their importance in bone biology and their interplay in its regulation.
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Affiliation(s)
- Luc Malaval
- LBTO, Pôle Santé Nord - Faculté de Médecine, Inserm, U1059 Sainbiose, Rm 118, Université Jean Monnet, Mines St Etienne, 10 Chemin de La Marandière, St Priest en Jarez, F42270, Saint-Etienne, France.
| | - Hélène Follet
- Inserm, Université de Lyon, U1033 Lyos, F69372, Lyon, France
| | - Delphine Farlay
- Inserm, Université de Lyon, U1033 Lyos, F69372, Lyon, France
| | - Evelyne Gineyts
- Inserm, Université de Lyon, U1033 Lyos, F69372, Lyon, France
| | - Sebastien Rizzo
- Inserm, Université de Lyon, U1033 Lyos, F69372, Lyon, France
| | - Charlene Thomas
- Inserm, Université de Lyon, U1033 Lyos, F69372, Lyon, France
| | - Mathieu Maalouf
- LBTO, Pôle Santé Nord - Faculté de Médecine, Inserm, U1059 Sainbiose, Rm 118, Université Jean Monnet, Mines St Etienne, 10 Chemin de La Marandière, St Priest en Jarez, F42270, Saint-Etienne, France
| | - Myriam Normand
- LBTO, Pôle Santé Nord - Faculté de Médecine, Inserm, U1059 Sainbiose, Rm 118, Université Jean Monnet, Mines St Etienne, 10 Chemin de La Marandière, St Priest en Jarez, F42270, Saint-Etienne, France
| | | | - Wafa Bouleftour
- Centre Hospitalier Universitaire de Saint-Etienne, Centre de Cancérologie Universitaire, F42270, Saint Etienne, France
| | - Arnaud Vanden-Boscche
- LBTO, Pôle Santé Nord - Faculté de Médecine, Inserm, U1059 Sainbiose, Rm 118, Université Jean Monnet, Mines St Etienne, 10 Chemin de La Marandière, St Priest en Jarez, F42270, Saint-Etienne, France
| | - Norbert Laroche
- LBTO, Pôle Santé Nord - Faculté de Médecine, Inserm, U1059 Sainbiose, Rm 118, Université Jean Monnet, Mines St Etienne, 10 Chemin de La Marandière, St Priest en Jarez, F42270, Saint-Etienne, France
| | - Laurence Vico
- LBTO, Pôle Santé Nord - Faculté de Médecine, Inserm, U1059 Sainbiose, Rm 118, Université Jean Monnet, Mines St Etienne, 10 Chemin de La Marandière, St Priest en Jarez, F42270, Saint-Etienne, France
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Premnath P, Lun T, Siddiqui H, Stahl AR, Ardebili AA, Olsen A, Krawetz R. Absence of E2f1 Negates Pro-osteogenic Impacts of p21 Absence. Calcif Tissue Int 2024; 114:625-637. [PMID: 38643416 DOI: 10.1007/s00223-024-01210-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/05/2023] [Accepted: 03/03/2024] [Indexed: 04/22/2024]
Abstract
Loss of p21 leads to increased bone formation post-injury; however, the mechanism(s) by which this occurs remains undetermined. E2f1 is downstream of p21 and as a transcription factor can act directly on gene expression; yet it is unknown if E2f1 plays a role in the osteogenic effects observed when p21 is differentially regulated. In this study we aimed to investigate the interplay between p21 and E2f1 and determine if the pro-regenerative osteogenic effects observed with the loss of p21 are E2f1 dependent. To accomplish this, we employed knockout p21 and E2f1 mice and additionally generated a p21/E2f1 double knockout. These mice underwent burr-hole injuries to their proximal tibiae and healing was assessed over 7 days via microCT imaging. We found that p21 and E2f1 play distinct roles in bone regeneration where the loss of p21 increased trabecular bone formation and loss of E2f1 increased cortical bone formation, yet loss of E2f1 led to poorer bone repair overall. Furthermore, when E2f1 was absent, either individually or simultaneously with p21, there was a dramatic decrease of the number of osteoblasts, osteoclasts, and chondrocytes at the site of injury compared to p21-/- and C57BL/6 mice. Together, these results suggest that E2f1 regulates the cell populations required for bone repair and has a distinct role in bone formation/repair compared to p21-/-E2f1-/-. These results highlight the possibility of cell cycle and/or p21/E2f1 being potential druggable targets that could be leveraged in clinical therapies to improve bone healing in pathologies such as osteoporosis.
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Affiliation(s)
- Priyatha Premnath
- Department of Biomedical Engineering, University of Wisconsin-Milwaukee, Milwaukee, WI, USA.
| | - Theodore Lun
- Cumming School of Medicine, McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB, Canada
| | - Humza Siddiqui
- Department of Biological Sciences, University of Wisconsin-Milwaukee, Milwaukee, WI, USA
| | - Alana Ruth Stahl
- Cumming School of Medicine, McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB, Canada
| | - Aria Ahadzadeh Ardebili
- Cumming School of Medicine, McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB, Canada
- Department of Biomedical Engineering, University of Calgary, Calgary, AB, Canada
| | - Alexandra Olsen
- Cumming School of Medicine, McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB, Canada
- Department of Biomedical Engineering, University of Calgary, Calgary, AB, Canada
| | - Roman Krawetz
- Cumming School of Medicine, McCaig Institute for Bone and Joint Health, University of Calgary, Calgary, AB, Canada
- Department of Cell Biology and Anatomy, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
- Department of Surgery, Cumming School of Medicine, University of Calgary, Calgary, AB, Canada
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3
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Pelepenko LE, Marciano MA, Shelton RM, Camilleri J. Leaching and cytotoxicity of bismuth oxide in ProRoot MTA - A laboratory investigation. Int Endod J 2024. [PMID: 38804676 DOI: 10.1111/iej.14101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Revised: 05/10/2024] [Accepted: 05/12/2024] [Indexed: 05/29/2024]
Abstract
AIM The present study examined the leaching and cytotoxicity of bismuth from ProRoot MTA and aimed to identify whether bismuth leaching was affected by the cement base and the immersion regime used. METHODOLOGY The leaching profile of bismuth was examined from ProRoot MTA and compared with hydroxyapatite containing 20% bismuth oxide as well as hydroxyapatite and tricalcium silicate to investigate whether bismuth release changed depending on the cement base. Bismuth leaching was determined after 30 and 180 days of ageing immersed in Dulbecco's modified Eagle's medium (DMEM) using mass spectroscopy (ICP-MS). The media were either unchanged or regularly replenished. The pH, surface microstructure and phase changes of aged materials were assessed. Wistar rat femoral bone marrow stromal cells (BMSCs) and cutaneous fibroblasts were isolated, cultured and seeded for cell counting (trypan blue live/dead) after exposure to non-aged, 30- and 180-days-aged samples in regularly replenished DMEM. Aged DMEM in contact with materials was also used to culture BMSCs to investigate the effect of material leachates on the cells. Gene expression analysis was also carried out after direct exposure of cells to non-aged materials. Differences between groups were statistically tested at a significance level of 5%. RESULTS All materials exhibited alterations after immersion in DMEM and this increased with longer exposure times. The bismuth leached from ProRoot MTA as detected by ICP-MS. Aged ProRoot MTA samples exhibited a black discolouration and surface calcium carbonate deposition. ProRoot MTA influenced cell counts after direct exposure and its 180-days leachates reduced BMSC viability. After direct BMSC contact with non-aged ProRoot MTA an upregulation of metallothionein (MT1 and MT2A) expression and down-regulation of collagen-1a (Col-1a) and bone sialoprotein (BSP) expression was identified. CONCLUSIONS Bismuth leaching was observed throughout 180-days observation period from all materials containing bismuth oxide. This negatively influenced cell viability and gene expression associated with bismuth exposure. This is the first study to report that metallothionein gene expression was influenced by exposure to ProRoot MTA.
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Affiliation(s)
- Lauter E Pelepenko
- Department of Restorative Dentistry, School of Dentistry of Piracicaba, State University of Campinas, Piracicaba, Brazil
| | - Marina A Marciano
- Department of Restorative Dentistry, School of Dentistry of Piracicaba, State University of Campinas, Piracicaba, Brazil
| | - Richard M Shelton
- College of Medical Sciences, Dental School, University of Birmingham, Birmingham, UK
| | - Josette Camilleri
- College of Medical Sciences, Dental School, University of Birmingham, Birmingham, UK
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Kegulian NC, Visakan G, Bapat RA, Moradian-Oldak J. Ameloblastin and its multifunctionality in amelogenesis: a review. Matrix Biol 2024:S0945-053X(24)00068-4. [PMID: 38815936 DOI: 10.1016/j.matbio.2024.05.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2024] [Revised: 05/16/2024] [Accepted: 05/24/2024] [Indexed: 06/01/2024]
Abstract
Extracellular matrix proteins play crucial roles in the formation of mineralized tissues like bone and teeth via multifunctional mechanisms. In tooth enamel, ameloblastin (Ambn) is one such multifunctional extracellular matrix protein implicated in cell signaling and polarity, cell adhesion to the developing enamel matrix, and stabilization of prismatic enamel morphology. To provide a perspective for Ambn structure and function, we begin this review by describing dental enamel and enamel formation (amelogenesis) followed by a description of enamel extracellular matrix. We then summarize the established domains and motifs in Ambn protein, human amelogenesis imperfecta cases, and genetically engineered mouse models involving mutated or null Ambn. We subsequently delineate in silico, in vitro, and in vivo evidence for the amphipathic helix in Ambn as a proposed cell-matrix adhesive and then more recent in vitro evidence for the multitargeting domain as the basis for dynamic interactions of Ambn with itself, amelogenin, and membranes. The multitargeting domain facilitates tuning between Ambn-membrane interactions and self/co-assembly and supports a likely overall role for Ambn as a matricellular protein. We anticipate that this review will enhance the understanding of multifunctional matrix proteins by consolidating diverse mechanisms through which Ambn contributes to enamel extracellular matrix mineralization.
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Affiliation(s)
- Natalie C Kegulian
- Center for Craniofacial Molecular Biology, Herman Ostrow School of Dentistry, University of Southern California, 2250 Alcazar St., CSA 148, Los Angeles, CA 90033, USA
| | - Gayathri Visakan
- Center for Craniofacial Molecular Biology, Herman Ostrow School of Dentistry, University of Southern California, 2250 Alcazar St., CSA 148, Los Angeles, CA 90033, USA
| | - Rucha Arun Bapat
- Center for Craniofacial Molecular Biology, Herman Ostrow School of Dentistry, University of Southern California, 2250 Alcazar St., CSA 148, Los Angeles, CA 90033, USA
| | - Janet Moradian-Oldak
- Center for Craniofacial Molecular Biology, Herman Ostrow School of Dentistry, University of Southern California, 2250 Alcazar St., CSA 148, Los Angeles, CA 90033, USA..
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Tamaño-Machiavello M, Carvalho E, Correia D, Cordón L, Lanceros-Méndez S, Sempere A, Sabater i Serra R, Ribelles JG. Osteogenic differentiation of human mesenchymal stem cells on electroactive substrates. Heliyon 2024; 10:e28880. [PMID: 38601667 PMCID: PMC11004758 DOI: 10.1016/j.heliyon.2024.e28880] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2023] [Revised: 03/26/2024] [Accepted: 03/26/2024] [Indexed: 04/12/2024] Open
Abstract
This study investigates the effect of electroactivity and electrical charge distribution on the biological response of human bone marrow stem cells (hBMSCs) cultured in monolayer on flat poly(vinylidene fluoride), PVDF, substrates. Differences in cell behaviour, including proliferation, expression of multipotency markers CD90, CD105 and CD73, and expression of genes characteristic of different mesenchymal lineages, were observed both during expansion in basal medium before reaching confluence and in confluent cultures in osteogenic induction medium. The crystallisation of PVDF in the electrically neutral α-phase or in the electroactive phase β, both unpoled and poled, has been found to have an important influence on the biological response. In addition, the presence of a permanent positive or negative surface electrical charge distribution in phase β substrates has also shown a significant effect on cell behaviour.
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Affiliation(s)
- M.N. Tamaño-Machiavello
- Centre for Biomaterials and Tissue Engineering, CBIT, Universitat Politècnica de València, 46022 València, Spain
| | - E.O. Carvalho
- Centre of Physics, Universidade do Minho, 4710-057, Braga, Portugal
| | - D. Correia
- Centre of Chemistry, University of Minho, 4710-057, Braga, Portugal
| | - L. Cordón
- Hematology Research Group, Instituto de Investigación Sanitaria La Fe, València, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto Carlos III, Madrid, Spain
| | - S. Lanceros-Méndez
- Centre of Physics, Universidade do Minho, 4710-057, Braga, Portugal
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, UPV/EHU Science Park, 48940, Leioa, Spain
- IKERBASQUE, Basque Foundation for Science, 48009, Bilbao, Spain
| | - A. Sempere
- Hematology Research Group, Instituto de Investigación Sanitaria La Fe, València, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Instituto Carlos III, Madrid, Spain
- Hematology Department, Hospital Universitario y Politécnico La Fe, València, Spain
| | - R. Sabater i Serra
- Centre for Biomaterials and Tissue Engineering, CBIT, Universitat Politècnica de València, 46022 València, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, Spain
| | - J.L. Gómez Ribelles
- Centre for Biomaterials and Tissue Engineering, CBIT, Universitat Politècnica de València, 46022 València, Spain
- CIBER de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, Spain
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Tu CC, Zheng ZC, Cheng NC, Yu J, Tai WC, Pan YX, Chang PC. Alveolar mucosal cell spheroids promote extraction socket healing and osseous defect regeneration. J Periodontol 2024; 95:372-383. [PMID: 37531239 DOI: 10.1002/jper.23-0283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 07/07/2023] [Accepted: 07/30/2023] [Indexed: 08/04/2023]
Abstract
BACKGROUND Alveolar mucosa could be a promising source of mesenchymal stem cells (MSCs) for regeneration therapeutics because it exhibits faster healing potential and can be easily collected with minimal periodontal disturbance. This study aimed to evaluate the potential of alveolar mucosal cell (AMC) spheroids for promoting extraction socket healing and calvarial osseous defect regeneration. METHODS AMCs were isolated from Sprague-Dawley rats. Antigenic and MSC surface marker expressions and trilineage differentiation capability were assessed. AMCs were then osteogenically stimulated (OAs) or unstimulated (UAs), self-aggregated to form spheroids, and encapsulated in gelatin hydrogel to fill rat extraction sockets or combined with freeze-dried bone graft (FDBG) to fill rat calvarial osseous defects. The outcome was assessed by gross observation, micro-CT imaging, and immunohistochemistry. RESULTS AMCs highly expressed MSC surface markers, showed weak antigenicity, and were capable of trilineage differentiation at Passage 3. In the extraction sockets, wound closure, socket fill, keratinization, and proliferative activities were accelerated in those with AMC spheroids treatment. Socket fill and maturation were further promoted by OA spheroids. In the calvarial osseous defects, the mineralized tissue ratio was promoted with AMC spheroids/FDBG treatment, and bone sialoprotein expression and cell proliferation were more evident with OA spheroids/FDBG treatment. CONCLUSION AMCs exhibited MSC properties with weak antigenicity. AMC spheroids promoted extraction socket healing, AMC spheroids/FDBG promoted calvarial osseous defect regeneration, and the outcomes were further enhanced by osteogenically stimulation of AMCs.
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Affiliation(s)
- Che-Chang Tu
- Graduate Institute of Clinical Dentistry, School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan
- Division of Periodontics, Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
| | - Zhao-Cheng Zheng
- Graduate Institute of Clinical Dentistry, School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan
- Division of Periodontics, Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
| | - Nai-Chen Cheng
- Department of Surgery, National Taiwan University Hospital and College of Medicine, Taipei, Taiwan
| | - Jiashing Yu
- Department of Chemical Engineering, College of Engineering, National Taiwan University, Taipei, Taiwan
| | - Wei-Chiu Tai
- Graduate Institute of Clinical Dentistry, School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan
| | - Yi-Xuan Pan
- Graduate Institute of Clinical Dentistry, School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan
- Division of Periodontics, Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
| | - Po-Chun Chang
- Graduate Institute of Clinical Dentistry, School of Dentistry, College of Medicine, National Taiwan University, Taipei, Taiwan
- Division of Periodontics, Department of Dentistry, National Taiwan University Hospital, Taipei, Taiwan
- School of Dentistry, College of Dental Medicine, Kaohsiung Medical University, Kaohsiung, Taiwan
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Melrose J. Keratan sulfate, an electrosensory neurosentient bioresponsive cell instructive glycosaminoglycan. Glycobiology 2024; 34:cwae014. [PMID: 38376199 PMCID: PMC10987296 DOI: 10.1093/glycob/cwae014] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2024] [Revised: 02/12/2024] [Accepted: 02/13/2024] [Indexed: 02/21/2024] Open
Abstract
The roles of keratan sulfate (KS) as a proton detection glycosaminoglycan in neurosensory processes in the central and peripheral nervous systems is reviewed. The functional properties of the KS-proteoglycans aggrecan, phosphacan, podocalyxcin as components of perineuronal nets in neurosensory processes in neuronal plasticity, cognitive learning and memory are also discussed. KS-glycoconjugate neurosensory gels used in electrolocation in elasmobranch fish species and KS substituted mucin like conjugates in some tissue contexts in mammals need to be considered in sensory signalling. Parallels are drawn between KS's roles in elasmobranch fish neurosensory processes and its roles in mammalian electro mechanical transduction of acoustic liquid displacement signals in the cochlea by the tectorial membrane and stereocilia of sensory inner and outer hair cells into neural signals for sound interpretation. The sophisticated structural and functional proteins which maintain the unique high precision physical properties of stereocilia in the detection, transmittance and interpretation of acoustic signals in the hearing process are important. The maintenance of the material properties of stereocilia are essential in sound transmission processes. Specific, emerging roles for low sulfation KS in sensory bioregulation are contrasted with the properties of high charge density KS isoforms. Some speculations are made on how the molecular and electrical properties of KS may be of potential application in futuristic nanoelectronic, memristor technology in advanced ultrafast computing devices with low energy requirements in nanomachines, nanobots or molecular switches which could be potentially useful in artificial synapse development. Application of KS in such innovative areas in bioregulation are eagerly awaited.
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Affiliation(s)
- James Melrose
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney, NSW 2052, Australia
- Raymond Purves Laboratory, Institute of Bone and Joint Research, Kolling Institute of Medical Research, Northern Sydney Local Health District, Royal North Shore Hospital, St. Leonards, NSW 2065, Australia
- Sydney Medical School, Northern, University of Sydney at Royal North Shore Hospital, St. Leonards, NSW 2065, Australia
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Kolahi Azar H, Gharibshahian M, Rostami M, Mansouri V, Sabouri L, Beheshtizadeh N, Rezaei N. The progressive trend of modeling and drug screening systems of breast cancer bone metastasis. J Biol Eng 2024; 18:14. [PMID: 38317174 PMCID: PMC10845631 DOI: 10.1186/s13036-024-00408-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2023] [Accepted: 01/22/2024] [Indexed: 02/07/2024] Open
Abstract
Bone metastasis is considered as a considerable challenge for breast cancer patients. Various in vitro and in vivo models have been developed to examine this occurrence. In vitro models are employed to simulate the intricate tumor microenvironment, investigate the interplay between cells and their adjacent microenvironment, and evaluate the effectiveness of therapeutic interventions for tumors. The endeavor to replicate the latency period of bone metastasis in animal models has presented a challenge, primarily due to the necessity of primary tumor removal and the presence of multiple potential metastatic sites.The utilization of novel bone metastasis models, including three-dimensional (3D) models, has been proposed as a promising approach to overcome the constraints associated with conventional 2D and animal models. However, existing 3D models are limited by various factors, such as irregular cellular proliferation, autofluorescence, and changes in genetic and epigenetic expression. The imperative for the advancement of future applications of 3D models lies in their standardization and automation. The utilization of artificial intelligence exhibits the capability to predict cellular behavior through the examination of substrate materials' chemical composition, geometry, and mechanical performance. The implementation of these algorithms possesses the capability to predict the progression and proliferation of cancer. This paper reviewed the mechanisms of bone metastasis following primary breast cancer. Current models of breast cancer bone metastasis, along with their challenges, as well as the future perspectives of using these models for translational drug development, were discussed.
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Affiliation(s)
- Hanieh Kolahi Azar
- Department of Pathology, Tabriz University of Medical Sciences, Tabriz, Iran
- Regenerative Medicine Group (REMED), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Maliheh Gharibshahian
- Department of Tissue Engineering, School of Medicine, Shahroud University of Medical Sciences, Shahroud, Iran
- Regenerative Medicine Group (REMED), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Mohammadreza Rostami
- Division of Food Safety and Hygiene, Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Food Science and Nutrition Group (FSAN), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Vahid Mansouri
- Gene Therapy Research Center, Digestive Diseases Research Institute, Shariati Hospital, Tehran University of Medical Sciences, Tehran, Iran
- Regenerative Medicine Group (REMED), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Leila Sabouri
- Department of Tissue Engineering and Applied Cell Sciences, School of Paramedicine, Guilan University of Medical Sciences, Rasht, Iran
- Regenerative Medicine Group (REMED), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Nima Beheshtizadeh
- Department of Tissue Engineering, Faculty of Advanced Medical Sciences, Tabriz University of Medical Sciences, Tabriz, Iran.
- Regenerative Medicine Group (REMED), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
| | - Nima Rezaei
- Department of Immunology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.
- Research Center for Immunodeficiencies, Children's Medical Center, Tehran University of Medical Sciences, Tehran, Iran.
- Network of Immunity in Infection, Malignancy and Autoimmunity (NIIMA), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
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Chavez MB, Tan MH, Kolli TN, Andras NL, Foster BL. Functional defects in cementoblasts with disrupted bone sialoprotein functional domains, in vitro. Bone 2024; 179:116961. [PMID: 37951522 PMCID: PMC10841848 DOI: 10.1016/j.bone.2023.116961] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2023] [Revised: 11/02/2023] [Accepted: 11/08/2023] [Indexed: 11/14/2023]
Abstract
Bone sialoprotein (BSP) is a multifunctional extracellular matrix (ECM) protein present in bone and cementum. Global in vivo ablation of BSP leads to bone mineralization defects, lack of acellular cementum, and periodontal breakdown. BSP harbors three main functional domains: N-terminal collagen-binding domain, hydroxyapatite-nucleating domain, and C-terminal RGD integrin-binding signaling domain. How each of these domains contributes to BSP function(s) is not understood. We hypothesized that collagen-binding and RGD domains play distinct roles in cementoblast functions. Three CRISPR/Cas9 gene-edited cell lines were derived from control wild-type (WT) OCCM.30 murine immortalized cementoblasts: 1) deletion of the N-terminus of BSP after signal peptide, including entire collagen binding domain (Ibsp∆N-Term); 2) deletion of exon 4 (majority of collagen-binding domain; Ibsp∆Ex4); and 3) deletion of C-terminus of BSP including the integrin binding RGD domain (Ibsp∆C-Term). Compared to WT, Ibsp∆Ex4 and Ibsp∆C-Term cell lines showed reduced BSP secretion, in vitro. Abnormal cell morphology was observed in all mutant cell lines, with Ibsp∆C-Term showing highly disorganized cytoskeleton. All mutant cell lines showed significantly lower cell proliferation compared to WT at all timepoints. Ibsp∆N-Term cells showed reduced cell migration by 24 h. All mutants exhibited over 50 % significant reduced mineralization at days 6 and 10. While WT cells were largely unaffected by seeding density, mutant cells failed to mineralize at lower cell density. Mutant cell lines diverged from WT and from each other by dysregulated expression in 23 genes involved in mineralization, ECM, and cell signaling. In summary, disabling BSP functional domains led to profound and distinct changes in cementoblast cell functions, especially dysregulated gene expression and reduced mineralization, in a way did not align with a straightforward narrative where each functional domain caused specific, expected differences. Instead, the study uncovered a significant level of complexity in how different mutant forms of BSP affected cell functions, in vitro.
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Affiliation(s)
- Michael B Chavez
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA; College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - Michelle H Tan
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - Tamara N Kolli
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - Natalie L Andras
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - Brian L Foster
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA.
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Guimarães LB, Machado DPD, Carvalho Versiani Caldeira BF, Vieira LTM, Santos GA, Araújo FR, Machado LT, Gomes DA, Ocarino NDM, Serakides R, Reis AMS. Kisspeptin (Kp-10) inhibits in vitro osteogenic differentiation of multipotent mesenchymal stromal cells extracted from the bone marrow of adult rats. Acta Histochem 2023; 125:152112. [PMID: 37948785 DOI: 10.1016/j.acthis.2023.152112] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 10/30/2023] [Accepted: 10/30/2023] [Indexed: 11/12/2023]
Abstract
Kisspeptin (Kp-10) is a neuropeptide that binds to GPR54 receptors, exerting several functions mainly in the nervous and reproductive systems of the body. However, its effects and mechanisms of action on the skeletal system remain poorly understood. This study evaluated the effects of different concentrations of Kp-10 on in vitro osteogenic differentiation of multipotent mesenchymal stromal cells (MSCs) extracted from the bone marrow (BM) of adult Wistar rats. Two-month-old female rats were euthanized to extract BM from long bones to obtain MSCs. Four experimental groups were established in vitro: a control and Kp-10 at concentrations of 0.01, 0.05 and, 0.1 µg/mL. After induction of osteogenic differentiation, cell viability was evaluated using the 3-(4,5-dimethylthiazol-2-yl)- 2,5-diphenyl tetrazolium bromide (MTT) assay, alkaline phosphatase activity, collagen synthesis, percentage of area covered by MSCs/field and mineralized nodules/field, and immunocytochemistry of the GPR54 receptor tests. Furthermore, evaluation of gene transcripts for type I collagen, Runx-2, Bmp-2, bone sialoprotein, osteocalcin and osteopontin was performed using real-time RT-qPCR. It was observed that MSCs expressed GPR54 receptor to which Kp-10 binds during osteogenic differentiation, promoting a negative effect on osteogenic differentiation. This effect was observed at all the Kp-10 concentrations in a concentration-dependent manner, characterized by a decrease in the activity of alkaline phosphatase, collagen synthesis, mineralized nodules, and decreased expression of gene transcripts for type I collagen, osteocalcin, osteopontin, and Runx-2. Thus, Kp-10 inhibits in vitro osteogenic differentiation of MSCs extracted from the BM of adult Wistar rats.
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Affiliation(s)
- Laís Bitencourt Guimarães
- Departamento de Patologia Geral do Instituto de Ciências Biológicas da Universidade Federal de Minas Gerais, Avenida Presidente Antônio Carlos, 6627, CEP: 30.161-970 Belo Horizonte, Minas Gerais, Brazil
| | - Daniel Portela Dias Machado
- Departamento de Farmacologia do Instituto de Ciências Biológicas da Universidade Federal de Minas Gerais, Avenida Presidente Antônio Carlos, 6627, CEP: 30.161-970 Belo Horizonte, Minas Gerais, Brazil
| | - Beatriz Ferreira Carvalho Versiani Caldeira
- Departamento de Patologia Geral do Instituto de Ciências Biológicas da Universidade Federal de Minas Gerais, Avenida Presidente Antônio Carlos, 6627, CEP: 30.161-970 Belo Horizonte, Minas Gerais, Brazil
| | - Larissa Tiemi Matuzake Vieira
- Departamento de Patologia Geral do Instituto de Ciências Biológicas da Universidade Federal de Minas Gerais, Avenida Presidente Antônio Carlos, 6627, CEP: 30.161-970 Belo Horizonte, Minas Gerais, Brazil
| | - Gabriela Alves Santos
- Departamento de Patologia Geral do Instituto de Ciências Biológicas da Universidade Federal de Minas Gerais, Avenida Presidente Antônio Carlos, 6627, CEP: 30.161-970 Belo Horizonte, Minas Gerais, Brazil
| | - Fabiana Rocha Araújo
- Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) do Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, campus Pampulha da UFMG, Av. Antônio Carlos 6627, Caixa Postal 567, CEP 30.123-970 Belo Horizonte, Minas Gerais, Brazil
| | - Leonardo Teotônio Machado
- Departamento de Patologia Geral do Instituto de Ciências Biológicas da Universidade Federal de Minas Gerais, Avenida Presidente Antônio Carlos, 6627, CEP: 30.161-970 Belo Horizonte, Minas Gerais, Brazil
| | - Dawidson Assis Gomes
- Departamento de Bioquímica e Imunologia do Instituto de Ciências Biológicas da Universidade Federal de Minas Gerais, Avenida Presidente Antônio Carlos, 6627, CEP: 30.161-970 Belo Horizonte, Minas Gerais, Brazil
| | - Natália de Melo Ocarino
- Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) do Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, campus Pampulha da UFMG, Av. Antônio Carlos 6627, Caixa Postal 567, CEP 30.123-970 Belo Horizonte, Minas Gerais, Brazil
| | - Rogéria Serakides
- Núcleo de Células Tronco e Terapia Celular Animal (NCT-TCA) do Departamento de Clínica e Cirurgia Veterinárias, Escola de Veterinária, Universidade Federal de Minas Gerais, campus Pampulha da UFMG, Av. Antônio Carlos 6627, Caixa Postal 567, CEP 30.123-970 Belo Horizonte, Minas Gerais, Brazil
| | - Amanda Maria Sena Reis
- Departamento de Patologia Geral do Instituto de Ciências Biológicas da Universidade Federal de Minas Gerais, Avenida Presidente Antônio Carlos, 6627, CEP: 30.161-970 Belo Horizonte, Minas Gerais, Brazil.
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Park JS, Lee C, Cheon SY, Lee Y, Jeon H, Lee D, Kim SH, Lim SG, Koo H. Efficient drug supply in stem cell cytosol via pore-forming saponin nanoparticles promotes in vivo osteogenesis and bone regeneration. Biomaterials 2023; 302:122342. [PMID: 37804721 DOI: 10.1016/j.biomaterials.2023.122342] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 08/22/2023] [Accepted: 09/27/2023] [Indexed: 10/09/2023]
Abstract
Directional differentiation of stem cells is a key step in stem cell therapy. In this study, we developed saponin-based nanoparticles (Ad-SNPs) containing dexamethasone (Dex) and alpha-lipoic acid (ALA) to promote osteogenic differentiation of human mesenchymal stem cells (hMSCs) and bone regeneration. The Ad-SNPs can achieve rapid cellular uptake through a pore-forming effect without cytotoxic cationic charges. They also provide extended retention in cell cytosol due to their uptake route. These properties are advantageous in efficiently supplying drugs to the hMSCs. The combination of Dex and ALA facilitated mitochondrial fusion and prevented reactive oxygen species-induced DNA damage. It also helped to preserve mitochondrial dynamics, and the efficient supply of it provided by the Ad-SNPs induced differentiation of hMSCs into osteoblasts. The Ad-SNPs showed outstanding performance in osteoblast differentiation, maturation, and mineralization in 3D culture compared with NPs without saponin and with free drugs. When Ad-SNP-treated hMSCs were tested in a rat femoral bone defect model, they showed the fastest regeneration of bones and complete repair in the shortest period among all groups. To the best of our knowledge, this study is the first application of pore-forming saponin-based NPs with rapid cellular uptake and extended retention to stem cell therapy, and we demonstrated their promising potential in bone regeneration and efficient delivery of Dex and ALA.
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Affiliation(s)
- Ji Sun Park
- Department of Medical Life Sciences, Department of Biomedicine & Health Sciences, and Catholic Photomedicine Research Institute, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Chaehyun Lee
- Department of Medical Life Sciences, Department of Biomedicine & Health Sciences, and Catholic Photomedicine Research Institute, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Seo Young Cheon
- Department of Medical Life Sciences, Department of Biomedicine & Health Sciences, and Catholic Photomedicine Research Institute, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Yeeun Lee
- Department of Medical Life Sciences, Department of Biomedicine & Health Sciences, and Catholic Photomedicine Research Institute, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Hayoung Jeon
- Department of Medical Life Sciences, Department of Biomedicine & Health Sciences, and Catholic Photomedicine Research Institute, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Donghyun Lee
- Department of Medical Life Sciences, Department of Biomedicine & Health Sciences, and Catholic Photomedicine Research Institute, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Se Hee Kim
- Department of Medical Life Sciences, Department of Biomedicine & Health Sciences, and Catholic Photomedicine Research Institute, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Seong Gi Lim
- Department of Medical Life Sciences, Department of Biomedicine & Health Sciences, and Catholic Photomedicine Research Institute, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea
| | - Heebeom Koo
- Department of Medical Life Sciences, Department of Biomedicine & Health Sciences, and Catholic Photomedicine Research Institute, College of Medicine, The Catholic University of Korea, 222 Banpo-daero, Seocho-gu, Seoul, 06591, Republic of Korea.
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12
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Gao P, Liu C, Dong H, Li Q, Chen Y. TGF-β promotes the proliferation and osteogenic differentiation of dental pulp stem cells a systematic review and meta-analysis. Eur J Med Res 2023; 28:261. [PMID: 37501191 PMCID: PMC10373408 DOI: 10.1186/s40001-023-01227-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 07/13/2023] [Indexed: 07/29/2023] Open
Abstract
BACKGROUND Dental pulp stem cells (DPSCs) are adult stem cells with multi-directional differentiation potential derived from ectoderm. Vitro experiments have shown that adding cytokines can help DPSCs to be transformed from multipotent stem cells to osteoblasts. TGF-β has been proved to have an effect on the proliferation and mineralization of bone tissue, but its effect on the osteogenesis and proliferation of dental pulp stem cells is still uncertain. We aim to determine the effect of TGF-β on the osteogenesis and proliferation of dental pulp stem cells. METHODS We have identified studies from the Cochrane Central Register of Controlled Trials, PubMed, Embase, and China national knowledge infrastructure (CNKI) for studies interested in TGF-β and proliferation and differentiation of dental pulp stem cells in the following indicators: A490 (an index for evaluating cell proliferation), bone sialoprotein (BSP), Col plasmid-1 (Col-1), osteocalcin (OCN), runt-related transcription factor 2 (Runx-2); and the number of mineralized nodules. Any language restrictions were rejected. Furthermore, we drew a forest plot for each outcome. We conducted a sensitivity analysis, data analysis, heterogeneity, and publication bias test. We evaluate the quality of each study under the guidance of Cochrane's tool for quality assessment. RESULTS The pooled data showed that TGF-β could promote the proliferation and ossification of dental pulp stem cells. All the included results support this conclusion except for the number of mineralized nodules: TGF-β increases the A490 index (SMD 3.11, 95% CI [0.54-5.69]), promotes the production of BSP (SMD 3.11, 95% CI [0.81-6.77]), promotes the expression of Col-1 (SMD 4.71, 95% CI [1.25-8.16]) and Runx-2 (SMD 3.37, 95% CI [- 0.63 to 7.36]), increases the content of OCN (SMD 4.32, 95% CI [1.20-7.44]) in dental pulp, and has no significant effect on the number of mineralized nodules (SMD 3.87, 95% CI [- 1.76 to 9.51]) in dental pulp stem cells. CONCLUSIONS TGF-β promotes the proliferation and osteogenesis of dental pulp stem cells.
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Affiliation(s)
- Pengfei Gao
- Department of Stomatology, Bengbu Medical College, 2600 Donghai Avenue, Bengbu, 233030, China
- Center for Plastic & Reconstructive Surgery, Department of Stomatology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
| | - Chanjuan Liu
- Department of Stomatology, Bengbu Medical College, 2600 Donghai Avenue, Bengbu, 233030, China
- Center for Plastic & Reconstructive Surgery, Department of Stomatology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
| | - Hui Dong
- Department of Stomatology, Bengbu Medical College, 2600 Donghai Avenue, Bengbu, 233030, China
- Center for Plastic & Reconstructive Surgery, Department of Stomatology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
| | - Qi Li
- Department of Stomatology, Bengbu Medical College, 2600 Donghai Avenue, Bengbu, 233030, China
- Center for Plastic & Reconstructive Surgery, Department of Stomatology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China
| | - Yunfang Chen
- Department of Stomatology, Bengbu Medical College, 2600 Donghai Avenue, Bengbu, 233030, China.
- Center for Plastic & Reconstructive Surgery, Department of Stomatology, Zhejiang Provincial People's Hospital (Affiliated People's Hospital), Hangzhou Medical College, Hangzhou, Zhejiang, 310014, China.
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Renner T, Otto P, Kübler AC, Hölscher-Doht S, Gbureck U. Novel adhesive mineral-organic bone cements based on phosphoserine and magnesium phosphates or oxides. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2023; 34:14. [PMID: 36964421 PMCID: PMC10038963 DOI: 10.1007/s10856-023-06714-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/06/2022] [Accepted: 02/15/2023] [Indexed: 05/03/2023]
Abstract
Present surgical situations require a bone adhesive which has not yet been developed for use in clinical applications. Recently, phosphoserine modified cements (PMC) based on mixtures of o-phosphoserine (OPLS) and calcium phosphates, such as tetracalcium phosphate (TTCP) or α-tricalcium phosphate (α-TCP) as well as chelate setting magnesium phosphate cements have gained increasing popularity for their use as mineral bone adhesives. Here, we investigated new mineral-organic bone cements based on phosphoserine and magnesium phosphates or oxides, which possess excellent adhesive properties. These were analyzed by X-ray diffraction, Fourier infrared spectroscopy and electron microscopy and subjected to mechanical tests to determine the bond strength to bone after ageing at physiological conditions. The novel biomineral adhesives demonstrate excellent bond strength to bone with approximately 6.6-7.3 MPa under shear load. The adhesives are also promising due to their cohesive failure pattern and ductile character. In this context, the new adhesive cements are superior to currently prevailing bone adhesives. Future efforts on bone adhesives made from phosphoserine and Mg2+ appear to be very worthwhile.
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Affiliation(s)
- Tobias Renner
- Department for Functional Materials in Medicine and Dentistry, University Hospital Würzburg, Pleicherwall 2, 97070, Würzburg, Germany
| | - Paul Otto
- Department for Functional Materials in Medicine and Dentistry, University Hospital Würzburg, Pleicherwall 2, 97070, Würzburg, Germany
| | - Alexander C Kübler
- Department of Oral & Maxillofacial Plastic Surgery, University Hospital Würzburg, Pleicherwall 2, 97070, Würzburg, Germany
| | - Stefanie Hölscher-Doht
- Department of Trauma, Hand, Plastic and Reconstructive Surgery, University Hospital of Würzburg, Oberdürrbacherstraße 6, 97080, Würzburg, Germany
| | - Uwe Gbureck
- Department for Functional Materials in Medicine and Dentistry, University Hospital Würzburg, Pleicherwall 2, 97070, Würzburg, Germany.
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14
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Nagasaki K, Nagasaki A, Taylor JM, Kear BD, Ma Y, Somerman MJ, Gavrilova O. The RGD region of bone sialoprotein affects metabolic activity in mice. FRONTIERS IN DENTAL MEDICINE 2023. [DOI: 10.3389/fdmed.2023.1124084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/12/2023] Open
Abstract
IntroductionBone sialoprotein (BSP) is a key regulator of mineralized tissue formation. Previously, we generated BSP-KAE knock-in mice (KAEKI mice) by substituting a non-function KAE (lysine-alanine-glutamic acid) for the integrin-binding RGD (arginine-glycine-aspartic acid) sequence and reported a vital role of the BSP-RGD motif in modulating the periodontal ligament (PDL). Specifically, histologically a disorganization of the PDL was noted, resulting in a weakened function of the PDL as measured by dynamic mechanical analysis. Intriguingly, also noted was a weight gain as KAEKI mice aged. While several proteins associated with mineralized tissues are reported to affect energy metabolism, the metabolic role of the BSP-RGD region has yet to be elucidated. Here we focus on defining the role of the BSP-RGD region in metabolic activity.MethodsBody weight, body composition, and caloric intake were measured in wild type (WT) and KAEKI mice. Energy expenditure was estimated using energy balance technique. Epididymal fat, interscapular fat, and liver were harvested for histological analysis. Systemic metabolic phenotype was assessed by sera analyses, insulin tolerance and glucose tolerance tests.ResultsThe results showed that KAEKI mice developed mild obesity starting from 13 weeks postnatal (wpn). The increase in body weight correlated with an increase in lean mass and visceral adiposity. Histological examination revealed adipocyte hypertrophy in white epididymal fat and interscapular brown fat in KAEKI vs. WT mice at 17 wpn. Metabolic profiling indicated that KAEKI mice had dyslipidemia and hyperleptinemia but no significant changes in glucose metabolism. Energy balance analyses revealed that hyperphagia preceded weight gain in KAEKI mice.ConclusionThese data suggest that the RGD region of BSP affects energy metabolism by regulating food intake, with further studies warranted to uncover the underlying mechanisms.
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Słota D, Piętak K, Jampilek J, Sobczak-Kupiec A. Polymeric and Composite Carriers of Protein and Non-Protein Biomolecules for Application in Bone Tissue Engineering. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2235. [PMID: 36984115 PMCID: PMC10059071 DOI: 10.3390/ma16062235] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/02/2023] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
Conventional intake of drugs and active substances is most often based on oral intake of an appropriate dose to achieve the desired effect in the affected area or source of pain. In this case, controlling their distribution in the body is difficult, as the substance also reaches other tissues. This phenomenon results in the occurrence of side effects and the need to increase the concentration of the therapeutic substance to ensure it has the desired effect. The scientific field of tissue engineering proposes a solution to this problem, which creates the possibility of designing intelligent systems for delivering active substances precisely to the site of disease conversion. The following review discusses significant current research strategies as well as examples of polymeric and composite carriers for protein and non-protein biomolecules designed for bone tissue regeneration.
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Affiliation(s)
- Dagmara Słota
- Department of Materials Science, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland
| | - Karina Piętak
- Department of Materials Science, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland
| | - Josef Jampilek
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15 Bratislava, Slovakia
- Department of Chemical Biology, Faculty of Science, Palacky University Olomouc, Slechtitelu 27, 783 71 Olomouc, Czech Republic
| | - Agnieszka Sobczak-Kupiec
- Department of Materials Science, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland
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Voicu G, Mocanu CA, Safciuc F, Anghelache M, Deleanu M, Cecoltan S, Pinteala M, Uritu CM, Droc I, Simionescu M, Manduteanu I, Calin M. Nanocarriers of shRNA-Runx2 directed to collagen IV as a nanotherapeutic system to target calcific aortic valve disease. Mater Today Bio 2023; 20:100620. [PMID: 37063777 PMCID: PMC10102408 DOI: 10.1016/j.mtbio.2023.100620] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2023] [Revised: 03/22/2023] [Accepted: 03/27/2023] [Indexed: 03/30/2023] Open
Abstract
Runx2 is a key transcription factor involved in valvular interstitial cells (VIC) osteodifferentiation, a process actively entwined with the calcific aortic valve disease (CAVD). We hypothesize that a strategy intended to silence Runx2 could be a valuable novel therapeutic option for CAVD. To this intent, we aimed at (i) developing targeted nanoparticles for efficient delivery of short hairpin (sh)RNA sequences specific for Runx2 to the aortic valve employing a relevant mouse model for CAVD and (ii) investigate their therapeutic potential in osteoblast-differentiated VIC (oVIC) cultivated into a 3D scaffold. Since collagen IV was used as a target, a peptide that binds specifically to collagen IV (Cp) was conjugated to the surface of lipopolyplexes encapsulating shRNA-Runx2 (Cp-LPP/shRunx2). The results showed that Cp-LPP/shRunx2 were (i) cytocompatible; (ii) efficiently taken up by 3D-cultured oVIC; (iii) diminished the osteodifferentiation of human VIC (cultured in a 3D hydrogel-derived from native aortic root) by reducing osteogenic molecules expression, alkaline phosphatase activity, and calcium concentration; and (iv) were recruited in aortic valve leaflets in a murine model of atherosclerosis. Taken together, these data recommend Cp-LPP/shRunx2 as a novel targeted nanotherapy to block the progression of CAVD, with a good perspective to be introduced in practical use.
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Affiliation(s)
- Geanina Voicu
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Cristina Ana Mocanu
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Florentina Safciuc
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Maria Anghelache
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Mariana Deleanu
- “Liquid and Gas Chromatography” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Sergiu Cecoltan
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Mariana Pinteala
- Centre of Advanced Research in Bionanoconjugates and Biopolymers, “Petru Poni” Institute of Macromolecular Chemistry, 700487, Iasi, Romania
| | - Cristina Mariana Uritu
- Centre of Advanced Research in Bionanoconjugates and Biopolymers, “Petru Poni” Institute of Macromolecular Chemistry, 700487, Iasi, Romania
- Advanced Centre for Research-Development in Experimental Medicine, Grigore T. Popa University of Medicine and Pharmacy of Iasi, 700115, Iasi, Romania
| | - Ionel Droc
- Central Military Hospital “Dr. Carol Davila”, Cardiovascular Surgery Clinic, Bucharest, Romania
| | - Maya Simionescu
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Ileana Manduteanu
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
| | - Manuela Calin
- “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania
- Corresponding author. “Medical and Pharmaceutical Bionanotechnologies” Laboratory, Institute of Cellular Biology and Pathology “Nicolae Simionescu” of the Romanian Academy, 050568, Bucharest, Romania.
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Gomes PSFC, Forrester M, Pace M, Gomes DEB, Bernardi RC. May the force be with you: The role of hyper-mechanostability of the bone sialoprotein binding protein during early stages of Staphylococci infections. Front Chem 2023; 11:1107427. [PMID: 36846849 PMCID: PMC9944720 DOI: 10.3389/fchem.2023.1107427] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 01/25/2023] [Indexed: 02/10/2023] Open
Abstract
The bone sialoprotein-binding protein (Bbp) is a mechanoactive MSCRAMM protein expressed on the surface of Staphylococcus aureus that mediates adherence of the bacterium to fibrinogen-α (Fgα), a component of the bone and dentine extracellular matrix of the host cell. Mechanoactive proteins like Bbp have key roles in several physiological and pathological processes. Particularly, the Bbp: Fgα interaction is important in the formation of biofilms, an important virulence factor of pathogenic bacteria. Here, we investigated the mechanostability of the Bbp: Fgα complex using in silico single-molecule force spectroscopy (SMFS), in an approach that combines results from all-atom and coarse-grained steered molecular dynamics (SMD) simulations. Our results show that Bbp is the most mechanostable MSCRAMM investigated thus far, reaching rupture forces beyond the 2 nN range in typical experimental SMFS pulling rates. Our results show that high force-loads, which are common during initial stages of bacterial infection, stabilize the interconnection between the protein's amino acids, making the protein more "rigid". Our data offer new insights that are crucial on the development of novel anti-adhesion strategies.
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Affiliation(s)
- Priscila S. F. C. Gomes
- Department of Physics, College of Sciences and Mathematics, Auburn University, Auburn, AL, United States
| | - Meredith Forrester
- Department of Physics, College of Sciences and Mathematics, Auburn University, Auburn, AL, United States
| | - Margaret Pace
- Department of Physics, College of Sciences and Mathematics, Auburn University, Auburn, AL, United States
| | - Diego E. B. Gomes
- Department of Physics, College of Sciences and Mathematics, Auburn University, Auburn, AL, United States
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Chavez M, Tan MH, Kolli TN, Zachariadou C, Farah F, Mohamed F, Chu E, Foster B. Bone Sialoprotein Is Critical for Alveolar Bone Healing in Mice. J Dent Res 2023; 102:187-196. [PMID: 36377066 PMCID: PMC9893390 DOI: 10.1177/00220345221126716] [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] [Indexed: 11/17/2022] Open
Abstract
Bone sialoprotein (BSP) is an extracellular matrix (ECM) protein associated with mineralized tissues, particularly bone and cementum. BSP includes functional domains implicated in collagen binding, hydroxyapatite nucleation, and cell signaling, although its function(s) in osteoblast and osteoclast differentiation and function remain incompletely understood. Genetic ablation of BSP in Ibsp knockout (Ibsp-/-) mice results in developmental bone mineralization and remodeling defects, with alveolar bone more severely affected than the femurs and tibias of the postcranial skeleton. The role of BSP in alveolar bone healing has not been studied. We hypothesized that BSP ablation would cause defective alveolar bone healing. We employed a maxillary first molar extraction socket healing model in 42-d postnatalIbsp-/- and wild-type (WT) control mice. Tissues were collected at 0, 7, 14, 21, and 56 d postprocedure (dpp) for analysis by micro-computed tomography (microCT), histology, in situ hybridization (ISH), immunohistochemistry (IHC), and quantitative polymerase chain reaction (qPCR) array. As expected, alveolar bone healing progressed in WT mice with increasing bone volume fraction (BV/TV), bone mineral density (BMD), and tissue mineral density (TMD), transitioning from woven to mature bone from 7 to 56 dpp. Ibsp messenger RNA (mRNA) and BSP protein were strongly expressed during alveolar bone healing in parallel with other osteogenic markers. Compared to WT, Ibsp-/- mice exhibited 50% to 70% reduced BV/TV and BMD at all time points, 7% reduced TMD at 21 dpp, abnormally increased Col1a1 and Alpl mRNA expression, and persistent presence of woven bone and increased bone marrow in healing sockets. qPCR revealed substantially dysregulated gene expression in alveolar bone of Ibsp-/- versus WT mice, with significantly disrupted expression of 45% of tested genes in functional groups, including markers for osteoblasts, osteoclasts, mineralization, ECM, cell signaling, and inflammation. We conclude that BSP is a critical and nonredundant factor for alveolar bone healing, and its absence disrupts multiple major pathways involved in appropriate healing.
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Affiliation(s)
- M.B. Chavez
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA
- College of Dentistry, University of Iowa, Iowa City, IA, USA
| | - M. H. Tan
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - T. N. Kolli
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - C. Zachariadou
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - F. Farah
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - F.F. Mohamed
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - E.Y. Chu
- Division of Operative Dentistry, Department of General Dentistry, School of Dentistry, University of Maryland, Baltimore, MD, USA
- National Institute of Arthritis and Musculoskeletal and Skin Diseases (NIAMS), National Institutes of Health (NIH), Bethesda, MD, USA
| | - B.L. Foster
- Division of Biosciences, College of Dentistry, The Ohio State University, Columbus, OH, USA
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19
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Frerker N, Karlsen TA, Stensland M, Nyman TA, Rayner S, Brinchmann JE. Comparison between articular chondrocytes and mesenchymal stromal cells for the production of articular cartilage implants. Front Bioeng Biotechnol 2023; 11:1116513. [PMID: 36896010 PMCID: PMC9989206 DOI: 10.3389/fbioe.2023.1116513] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2022] [Accepted: 01/31/2023] [Indexed: 02/23/2023] Open
Abstract
Focal lesions of articular cartilage give rise to pain and reduced joint function and may, if left untreated, lead to osteoarthritis. Implantation of in vitro generated, scaffold-free autologous cartilage discs may represent the best treatment option. Here we compare articular chondrocytes (ACs) and bone marrow-derived mesenchymal stromal cells (MSCs) for their ability to make scaffold-free cartilage discs. Articular chondrocytes produced more extracellular matrix per seeded cell than mesenchymal stromal cells. Quantitative proteomics analysis showed that articular chondrocyte discs contained more articular cartilage proteins, while mesenchymal stromal cell discs had more proteins associated with cartilage hypertrophy and bone formation. Sequencing analysis revealed more microRNAs associated with normal cartilage in articular chondrocyte discs, and large-scale target predictions, performed for the first time for in vitro chondrogenesis, suggested that differential expression of microRNAs in the two disc types were important mechanisms behind differential synthesis of proteins. We conclude that articular chondrocytes should be preferred over mesenchymal stromal cells for tissue engineering of articular cartilage.
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Affiliation(s)
- Nadine Frerker
- Department of Immunology, Oslo University Hospital, Oslo, Norway
| | - Tommy A Karlsen
- Department of Immunology, Oslo University Hospital, Oslo, Norway
| | - Maria Stensland
- Department of Immunology, Oslo University Hospital, Oslo, Norway
| | - Tuula A Nyman
- Department of Immunology, Oslo University Hospital, Oslo, Norway.,Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Simon Rayner
- Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.,Department of Medical Genetics, Oslo University Hospital, Oslo, Norway.,Hybrid Technology Hub-Centre of Excellence, Faculty of Medicine, University of Oslo, Oslo, Norway
| | - Jan E Brinchmann
- Department of Immunology, Oslo University Hospital, Oslo, Norway.,Department of Molecular Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway
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20
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Deletion of osteopontin or bone sialoprotein induces opposite bone responses to mechanical stimulation in mice. Bone Rep 2022; 17:101621. [PMID: 36159882 PMCID: PMC9493388 DOI: 10.1016/j.bonr.2022.101621] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/03/2022] [Revised: 09/14/2022] [Accepted: 09/16/2022] [Indexed: 11/21/2022] Open
Abstract
Osteopontin (OPN) and Bone Sialoprotein (BSP) are co-expressed in bone and display overlapping and complementary physiological properties. Both genes show a rapid expression response to mechanical stimulation. We used mice with single and double deletions (DKO) of BSP and OPN to assess the specificity of their roles in skeletal adaptation to loading. Two-month-old Wild-Type (WT), BSP knockout (BSP−/−), OPN−/− and DKO male mice were submitted to two mechanical stimulation regimen (n = 10 mice/group) respectively impacting trabecular bone (Hypergravity, HG) and cortical bone (Whole Body Vibration, WBV). HG increased trabecular bone volume (BV/TV) in WT femur through reduced resorption, and in BSP−/− mice femur and vertebra through increased bone formation. In contrast, HG increased the turnover of OPN−/− bone, resulting in reduced femur and vertebra BV/TV. HG did not affect DKO bones. Similarly, WBV increased cortical thickness in BSP−/− mice and decreased it in OPN−/−, without affecting structurally WT and DKO bone. Vibrated BSP−/− mice displayed increased endocortical bone formation with a drop in Sclerostin expression, and reduced periosteal osteoclasts with lower Rankl and Cathepsin K expression. In contrast, vibrated OPN−/− endocortical bone displayed decreased formation and increased osteoclast coverage. Therefore, under two regimen (HG and WBV) targeting distinct bone compartments, absence of OPN resulted in bone loss while lack of BSP induced bone gain, reflecting divergent structural adaptations. Strikingly, absence of both proteins led to a relative insensitivity to either mechanical challenge. Interplay between OPN and BSP thus appears as a key element of skeletal response to mechanical stimulation. Osteopontin gene knockout induces bone loss under mechanical stimulation Bone Sialoprotein gene knockout potentiates bone gain under mechanical stimulation Knockout of both genes leads to bone insensitivity Their interplay is crucial for bone response to mechanical challenges
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21
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Huang R, Balu AR, Molitoris KH, White JP, Robling AG, Ayturk UM, Baht GS. The role of Meteorin-like in skeletal development and bone fracture healing. J Orthop Res 2022; 40:2510-2521. [PMID: 35076116 PMCID: PMC9309188 DOI: 10.1002/jor.25286] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 01/11/2022] [Accepted: 01/23/2022] [Indexed: 02/04/2023]
Abstract
Meteorin-like protein (Metrnl), homologous to the initially identified neurotrophic factor Meteorin, is a secreted, multifunctional protein. Here we used mouse models to investigate Metrnl's role in skeletal development and bone fracture healing. During development Metrnl was expressed in the perichondrium and primary ossification center. In neonates, single cell RNA-seq of diaphyseal bone demonstrated strongest expression of Metrnl transcript by osteoblasts. In vitro, Metrnl was osteoinductive, increasing osteoblast differentiation and mineralization in tissue culture models. In vivo, loss of Metrnl expression resulted in no change in skeletal metrics in utero, at birth, or during postnatal growth. Six-week-old Metrnl-null mice displayed similar body length, body weight, tibial length, femoral length, BV/TV, trabecular number, trabecular thickness, and cortical thickness as littermate controls. In 4-month-old mice, lack of Metrnl expression did not change structural stiffness, ultimate force, or energy to fracture of femora under 3-point-bending. Last, we investigated the role of Metrnl in bone fracture healing. Metrnl expression increased in response to tibial injury, however, loss of Metrnl expression did not affect the amount of bone deposited within the healing tissue nor did it change the structural parameters of healing tissue. This work identifies Metrnl as a dispensable molecule for skeletal development. However, the osteoinductive capabilities of Metrnl may be utilized to modulate osteoblast differentiation in cell-based orthopedic therapies.
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Affiliation(s)
- Rong Huang
- Department of MedicineDuke Molecular Physiology InstituteDurhamNorth CarolinaUSA,Department of Orthopaedic SurgeryDuke UniversityDurhamNorth CarolinaUSA
| | - Abhinav R. Balu
- Department of MedicineDuke Molecular Physiology InstituteDurhamNorth CarolinaUSA,Department of Orthopaedic SurgeryDuke UniversityDurhamNorth CarolinaUSA
| | - Kristin H. Molitoris
- Department of MedicineDuke Molecular Physiology InstituteDurhamNorth CarolinaUSA,Department of Orthopaedic SurgeryDuke UniversityDurhamNorth CarolinaUSA
| | - James P. White
- Department of MedicineDuke Molecular Physiology InstituteDurhamNorth CarolinaUSA
| | - Alexander G. Robling
- Department of Anatomy and Cell BiologyIndiana University School of MedicineIndianapolisIndianaUSA
| | - Ugur M. Ayturk
- Department of ResearchHospital for Special SurgeryNew York CityNew YorkUSA,Department of Orthopaedic SurgeryWeill Cornell MedicineNew York CityNew YorkUSA
| | - Gurpreet S. Baht
- Department of MedicineDuke Molecular Physiology InstituteDurhamNorth CarolinaUSA,Department of Orthopaedic SurgeryDuke UniversityDurhamNorth CarolinaUSA,Department of PathologyDuke UniversityDurhamNorth CarolinaUSA
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22
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Nunes F, Oliveira P, Bergamo E, Kjellin P, Novaes A, Ghiraldini B, Bezerra F, Scombatti de Souza S. Effect of Smoke Exposure on Gene Expression in Bone Healing around Implants Coated with Nanohydroxyapatite. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:3737. [PMID: 36364513 PMCID: PMC9653954 DOI: 10.3390/nano12213737] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 09/12/2022] [Revised: 10/11/2022] [Accepted: 10/20/2022] [Indexed: 06/16/2023]
Abstract
This study evaluated the effect of smoke exposure on the expression of genes related to bone metabolism in implants coated with nanohydroxyapatite (NHA). A total of 36 rats were exposed to cigarette smoke for 60 days. The animals were allocated into three groups: machined implants (MAC), dual acid-etched implants (DAE), and NHA-coated implants (NHA). Implants were installed in the left tibia of the rats after 30 days of smoke exposure. The implants were retrieved 7 and 30 days after implantation, and the adjacent bone analyzed using a real-time polymerase chain reaction for gene expression of alkaline phosphatase (ALP), osteopontin (OPN), receptor activator of the nuclear factor kappa ligand (RANKL), osteoprotegerin (OPG), the RANKL/OPG ratio, osteocalcin (OCN) and runt-related transcription factor 2 (Runx2). After 7 days, Runx2, OPN and OPG expression demonstrated significantly higher levels for the NHA surface treatment relative to DAE and MAC surfaces. NHA presented the lowest RANKL and RANKL/OPG levels. After 30 days, NHA-coated implants showed significantly higher levels of Runx2, ALP, OPN, OPG, OC, RANKL and RANKL/OPG relative to DAE and MAC implants. The results indicated a greater osteogenic and high osteoclastic activity around NHA implants, in comparison to DAE and MAC implants.
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Affiliation(s)
- Felipe Nunes
- Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14021-630, SP, Brazil
| | - Paula Oliveira
- Department of Periodontology, School of Dentistry, University Center of State of Para, Belem 66060-575, PA, Brazil
| | - Edmara Bergamo
- Department of Prosthodontics and Periodontology, School of Dentistry of Bauru, University of São Paulo, Bauru 17012-901, SP, Brazil
| | - Per Kjellin
- Promimic AB, AstraZeneca BioventureHub, 431 83 Mölndal, Sweden
| | - Arthur Novaes
- Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14021-630, SP, Brazil
| | - Bruna Ghiraldini
- Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14021-630, SP, Brazil
| | - Fabio Bezerra
- Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14021-630, SP, Brazil
| | - Sergio Scombatti de Souza
- Department of Oral and Maxillofacial Surgery and Periodontology, School of Dentistry of Ribeirão Preto, University of São Paulo, Ribeirão Preto 14021-630, SP, Brazil
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23
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Park EH, Rhee SH, Choi HW, Shon WJ. Biocompatibility and osteogenic potential of mineral trioxide aggregate mixed with hydrophilic synthetic polymer: An in vitro and in vivo study. Dent Mater J 2022; 41:780-786. [PMID: 35768223 DOI: 10.4012/dmj.2022-036] [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: 12/31/2022]
Abstract
This study aimed to investigate in vitro biologic properties of mineral trioxide aggregate (MTA) mixed with 3% PVA (MTA-3% PVA) and in vivo dental pulp responses to direct capping in comparison with MTA mixed with distilled water (MTA-DW). Cell proliferation and osteogenic differentiation in culture of human dental pulp cells (hDPCs), and pH changes were evaluated. Pulps in 24 mandibular premolars of four 9-month-old beagle dogs were mechanically exposed and direct pulp capping was performed. Histological specimens were scored according to the degree of mineralization. MTA-3% PVA showed similar cell proliferation and similar or superior osteogenic differentiation of hDPCs compared with MTA-DW. All specimens were associated with calcified bridge formation and there were no significant differences in mineralization scores between the groups (p>0.05). The results suggested that MTA-3% PVA exhibited favorable biocompatibility and osteogenic differentiation in vitro compared with MTA-DW. Furthermore, both groups demonstrated similar results when used as pulp-capping agents in vivo.
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Affiliation(s)
- Eun Hyun Park
- Department of Conservative Dentistry, Dental Research Institute, School of Dentistry, Seoul National University
| | - Sang-Hoon Rhee
- Department of Dental Biomaterials Science, Dental Research Institute, School of Dentistry, Seoul National University
| | - Hae Won Choi
- Department of Dental Biomaterials Science, Dental Research Institute, School of Dentistry, Seoul National University.,Department of Orthodontics, The Institute of Oral Health Science, Samsung Medical Center, Sungkyunkwan University, School of Medicine
| | - Won-Jun Shon
- Department of Conservative Dentistry, Dental Research Institute, School of Dentistry, Seoul National University
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24
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Nagasaki K, Chavez M, Nagasaki A, Taylor J, Tan M, Ma M, Ralston E, Thew M, Kim DG, Somerman M, Foster B. The Bone Sialoprotein RGD Domain Modulates and Maintains Periodontal Development. J Dent Res 2022; 101:1238-1247. [PMID: 35686360 PMCID: PMC9403724 DOI: 10.1177/00220345221100794] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023] Open
Abstract
Bone sialoprotein (gene: Ibsp; protein: BSP) is a multifunctional extracellular matrix protein present in bone, cementum, and dentin. Accumulating evidence supports BSP as a key regulator of mineralized tissue formation via evolutionarily conserved functional domains, including a C-terminal integrin-binding Arg-Gly-Asp (RGD) domain implicated in extracellular matrix-cell signaling. Ablation of Ibsp in mice (Ibsp-/-) results in impaired bone growth and mineralization and defective osteoclastogenesis, with effects in the craniofacial region including reduced acellular cementum formation, detachment of the periodontal ligament (PDL), alveolar bone hypomineralization, and severe periodontal breakdown. We hypothesized that BSP-RGD plays an important role in cementum and alveolar bone formation and mineralization, as well as periodontal function. This hypothesis was tested by replacing the RGD motif with a nonfunctional Lys-Ala-Glu (KAE) sequence in (IbspKAE/KAE) mice and OCCM.30 murine (IbspKAE) cementoblasts. The RGD domain was not critical for acellular or cellular cementum formation in IbspKAE/KAE mice. However, PDL volume and thickness were increased, and significantly more tartrate-resistant acid phosphatase-positive osteoclasts were found on alveolar bone surfaces of IbspKAE/KAE mice versus wild type mice. PDL organization was disrupted as indicated by picrosirius red stain, second harmonic generation imaging, dynamic mechanical analysis, and decreased asporin proteoglycan localization. In vitro studies implicated RGD functions in cell migration, adhesion, and mineralization, and this was confirmed by an ossicle implant model where cells lacking BSP-RGD showed substantial defects as compared with controls. In total, the BSP-RGD domain is implicated in periodontal development, though the scale and scope of changes indicated by in vitro studies indicate that other factors may partially compensate for and reduce the phenotypic severity of mice lacking BSP-RGD in vivo.
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Affiliation(s)
- K. Nagasaki
- Laboratory of Oral Connective Tissue Biology, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - M.B. Chavez
- Biosciences Division, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - A. Nagasaki
- Laboratory of Oral Connective Tissue Biology, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - J.M. Taylor
- Laboratory of Oral Connective Tissue Biology, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - M.H. Tan
- Biosciences Division, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - M. Ma
- Laboratory of Oral Connective Tissue Biology, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - E. Ralston
- Light Imaging Section, Office of Science and Technology, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - M.E. Thew
- Division of Orthodontics, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - D.-G. Kim
- Division of Orthodontics, College of Dentistry, The Ohio State University, Columbus, OH, USA
| | - M.J. Somerman
- Laboratory of Oral Connective Tissue Biology, National Institute of Arthritis and Musculoskeletal and Skin Diseases, National Institutes of Health, Bethesda, MD, USA
| | - B.L. Foster
- Biosciences Division, College of Dentistry, The Ohio State University, Columbus, OH, USA
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25
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Andras NL, Mohamed FF, Chu EY, Foster BL. Between a rock and a hard place: Regulation of mineralization in the periodontium. Genesis 2022; 60:e23474. [PMID: 35460154 PMCID: PMC9492628 DOI: 10.1002/dvg.23474] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2022] [Revised: 04/08/2022] [Accepted: 04/09/2022] [Indexed: 12/30/2022]
Abstract
The periodontium supports and attaches teeth via mineralized and nonmineralized tissues. It consists of two, unique mineralized tissues, cementum and alveolar bone. In between these tissues, lies an unmineralized, fibrous periodontal ligament (PDL), which distributes occlusal forces, nourishes and invests teeth, and harbors progenitor cells for dentoalveolar repair. Many unanswered questions remain regarding periodontal biology. This review will focus on recent research providing insights into one enduring mystery: the precise regulation of the hard-soft tissue borders in the periodontium which define the interfaces of the cementum-PDL-alveolar bone structure. We will focus on advances in understanding the molecular mechanisms that maintain the unmineralized PDL "between a rock and a hard place" by regulating the mineralization of cementum and alveolar bone.
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Affiliation(s)
- Natalie L. Andras
- Biosciences Division, College of DentistryThe Ohio State UniversityColumbusOhioUSA
| | - Fatma F. Mohamed
- Biosciences Division, College of DentistryThe Ohio State UniversityColumbusOhioUSA
| | - Emily Y. Chu
- Division of Operative Dentistry, Department of General Dentistry, School of DentistryUniversity of MarylandBaltimoreMarylandUSA
| | - Brian L. Foster
- Biosciences Division, College of DentistryThe Ohio State UniversityColumbusOhioUSA
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26
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Figueredo CA, Abdelhay N, Gibson MP. The Roles of SIBLING Proteins in Dental, Periodontal and Craniofacial Development. FRONTIERS IN DENTAL MEDICINE 2022. [DOI: 10.3389/fdmed.2022.898802] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The majority of dental, periodontal, and craniofacial tissues are derived from the neural crest cells and ectoderm. Neural crest stem cells are pluripotent, capable of differentiating into a variety of cells. These cells can include osteoblasts, odontoblasts, cementoblasts, chondroblasts, and fibroblasts which are responsible for forming some of the tissues of the oral and craniofacial complex. The hard tissue forming cells deposit a matrix composed of collagen and non-collagenous proteins (NCPs) that later undergoes mineralization. The NCPs play a role in the mineralization of collagen. One such category of NCPs is the small integrin-binding ligand, N-linked glycoprotein (SIBLING) family of proteins. This family is composed of dentin sialophosphosprotein (DSPP), osteopontin (OPN), dentin matrix protein 1 (DMP1), bone sialoprotein (BSP), and matrix extracellular phosphoglycoprotein (MEPE). The SIBLING family is known to have regulatory effects in the mineralization process of collagen fibers and the maturation of hydroxyapatite crystals. It is well established that SIBLING proteins have critical roles in tooth development. Recent literature has described the expression and role of SIBLING proteins in other areas of the oral and craniofacial complex as well. The objective of the present literature review is to summarize and discuss the different roles the SIBLING proteins play in the development of dental, periodontal, and craniofacial tissues.
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27
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Leme RD, Lamarque GDCC, Bastos LA, Arnez MFM, Paula-Silva FWG. Minimal Intervention Dentistry: Biocompatibility and Mechanism of Action of Products for Chemical-Mechanical Removal of Carious Tissue. FRONTIERS IN DENTAL MEDICINE 2022. [DOI: 10.3389/fdmed.2022.851331] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Conventional method for removal of carious tissue using low speed drills usually induce noise and vibration, in addition to thermal and pressure effects that can be harmful to the pulp tissue and cause fear in children. Therefore, several alternative methods are being developed to try to minimize the unpleasant perception of the patient during caries removal. Chemical-mechanical removal of carious tissue goal is to selectively remove the carious lesion, which reduces the amount of bacteria inside the cavity without removing the tissue susceptible to remineralization. This method is also able to minimize the tactile perception by the patient during the manipulation of the lesion compared to the conventional method, and, therefore, it has been widely accepted among phobic patients, children and special needs patients. Due to the close relationship between dentin and pulp tissue, all injuries imposed on this dentin may have repercussions on the underlying pulp connective tissue. The morphological aspects of remaining dentin favor the diffusion of chemical components of dental materials, which can be toxic to the pulp tissue or even negatively interfere in the reparative process. Thus, considering the proximity between the applied material and the underlying pulp tissue, especially in deep cavities, there is a need to assess the biological behavior of dental materials against pulp cells, since aggressions to the pulp tissue can be caused not only by metabolites from microorganisms involved in dental caries but also by components that are released from these products. This subject was explored in this narrative literature review.
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28
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Into the Tissues: Extracellular Matrix and Its Artificial Substitutes: Cell Signalling Mechanisms. Cells 2022; 11:cells11050914. [PMID: 35269536 PMCID: PMC8909573 DOI: 10.3390/cells11050914] [Citation(s) in RCA: 31] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Revised: 03/02/2022] [Accepted: 03/04/2022] [Indexed: 02/06/2023] Open
Abstract
The existence of orderly structures, such as tissues and organs is made possible by cell adhesion, i.e., the process by which cells attach to neighbouring cells and a supporting substance in the form of the extracellular matrix. The extracellular matrix is a three-dimensional structure composed of collagens, elastin, and various proteoglycans and glycoproteins. It is a storehouse for multiple signalling factors. Cells are informed of their correct connection to the matrix via receptors. Tissue disruption often prevents the natural reconstitution of the matrix. The use of appropriate implants is then required. This review is a compilation of crucial information on the structural and functional features of the extracellular matrix and the complex mechanisms of cell–cell connectivity. The possibilities of regenerating damaged tissues using an artificial matrix substitute are described, detailing the host response to the implant. An important issue is the surface properties of such an implant and the possibilities of their modification.
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29
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Aslankoohi N, Lin S, Mequanint K. Bioactive fluorescent hybrid microparticles as a stand-alone osteogenic differentiation inducer. Mater Today Bio 2022; 13:100187. [PMID: 34977526 PMCID: PMC8683730 DOI: 10.1016/j.mtbio.2021.100187] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2021] [Revised: 12/07/2021] [Accepted: 12/08/2021] [Indexed: 12/02/2022] Open
Abstract
Osteogenic differentiation of stem cells is one of the essential steps in bone regeneration. While supplementing exogenous factors using differentiation media is the established method to differentiate stem cells into osteoblasts on biomaterials, designing biomaterials that can act as a stand-alone differentiation inducer and promote bone regeneration is preferred for clinical translation. In this work, we report dexamethasone-loaded organic-inorganic hybrid microparticles synthesized from an intrinsically fluorescent poly (ester amide) and tertiary bioactive glass (PEA-BG) as a stand-alone osteogenic differentiation inducer. The mechanical properties data indicated that the compressive modulus of fluorescent hybrid microparticles could be modulated by its composition. The hybrid fluorescent microparticles supported the adhesion and proliferation of 10T1/2 cells in culture for up to seven days. Both pristine and dexamethasone-loaded PEA-BG microparticles were able to induce osteogenic differentiation of 10T1/2 cells in the absence of any media supplement, to a level even higher than standard osteogenic media, as evidenced by the expression of osteogenic markers on gene and protein levels and matrix mineralization. Taken together, the fluorescent PEA-BG hybrid microparticles have the potential to be used as a stand-alone biomaterial for osteogenic differentiation and bone regeneration.
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Affiliation(s)
- Neda Aslankoohi
- School of Biomedical Engineering, The University of Western Ontario, London, Ontario, N6A 5B9, Canada
| | - Shigang Lin
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, Ontario, N6A 5B9, Canada
| | - Kibret Mequanint
- School of Biomedical Engineering, The University of Western Ontario, London, Ontario, N6A 5B9, Canada
- Department of Chemical and Biochemical Engineering, The University of Western Ontario, London, Ontario, N6A 5B9, Canada
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30
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Frattini A, Bolamperti S, Valli R, Cipolli M, Pinto RM, Bergami E, Frau MR, Cesaro S, Signo M, Bezzerri V, Porta G, Khan AW, Rubinacci A, Villa I. Enhanced p53 Levels Are Involved in the Reduced Mineralization Capacity of Osteoblasts Derived from Shwachman-Diamond Syndrome Subjects. Int J Mol Sci 2021; 22:ijms222413331. [PMID: 34948128 PMCID: PMC8707819 DOI: 10.3390/ijms222413331] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 11/25/2021] [Accepted: 12/09/2021] [Indexed: 12/12/2022] Open
Abstract
Shwachman-Diamond syndrome (SDS) is a rare autosomal recessive disorder characterized by bone marrow failure, exocrine pancreatic insufficiency, and skeletal abnormalities, caused by loss-of-function mutations in the SBDS gene, a factor involved in ribosome biogenesis. By analyzing osteoblasts from SDS patients (SDS-OBs), we show that SDS-OBs displayed reduced SBDS gene expression and reduced/undetectable SBDS protein compared to osteoblasts from healthy subjects (H-OBs). SDS-OBs cultured in an osteogenic medium displayed a lower mineralization capacity compared to H-OBs. Whole transcriptome analysis showed significant differences in the gene expression of SDS-OBs vs. H-OBs, particularly in the ossification pathway. SDS-OBs expressed lower levels of the main genes responsible for osteoblastogenesis. Of all downregulated genes, Western blot analyses confirmed lower levels of alkaline phosphatase and collagen type I in SDS-OBs than in H-OBs. Interestingly, SDS-OBs showed higher protein levels of p53, an inhibitor of osteogenesis, compared to H-OBs. Silencing of Tp53 was associated with higher collagen type I and alkaline phosphatase protein levels and an increase in SDS-OB mineralization capacity. In conclusion, our results show that the reduced capacity of SDS-OBs to mineralize is mediated, at least in part, by the high levels of p53 and highlight an important role of SBDS in osteoblast functions.
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Affiliation(s)
- Annalisa Frattini
- Institute for Genetic and Biomedical Research (IRGB), UOS Milano CNR, Via Fantoli, 15/16, 20138 Milano, Italy
- Department of Medicine and Surgery (DMC), Universita’ degli Studi dell’Insubria, Via J.H. Dunant, 5, 21100 Varese, Italy; (R.V.); (G.P.); (A.W.K.)
- Correspondence: ; Tel.: +39-0332217113
| | - Simona Bolamperti
- Bone Metabolism Unit, IRCCS Ospedale San Raffaele, Via Olgettina, 60, 20132 Milano, Italy; (S.B.); (M.S.); (A.R.); (I.V.)
| | - Roberto Valli
- Department of Medicine and Surgery (DMC), Universita’ degli Studi dell’Insubria, Via J.H. Dunant, 5, 21100 Varese, Italy; (R.V.); (G.P.); (A.W.K.)
| | - Marco Cipolli
- Cystic Fibrosis Center, Azienda Ospedaliera Universitaria Integrata di Verona, Piazzale Aristide Stefani, 1, 37126 Verona, Italy;
| | - Rita Maria Pinto
- Department of Onco-Hematology, Ospedale Bambino Gesù IRCCS, Piazza S.Onofrio, 4, 00165 Roma, Italy;
| | - Elena Bergami
- Pediatric Onco-Hematology, IRCCS Policlinico San Matteo, Viale Camillo Golgi, 19, 27100 Pavia, Italy;
| | - Maria Rita Frau
- Pediatrics and Intensive Neonatal Therapy, Ospedale San Francesco, Via Salvatore Mannironi, 08100 Nuoro, Italy;
| | - Simone Cesaro
- Pediatric Hematology Oncology, Ospedale Donna Bambino, Azienda Ospedaliera Universitaria Integrata, Piazzale Aristide Stefani, 1, 37126 Verona, Italy;
| | - Michela Signo
- Bone Metabolism Unit, IRCCS Ospedale San Raffaele, Via Olgettina, 60, 20132 Milano, Italy; (S.B.); (M.S.); (A.R.); (I.V.)
| | - Valentino Bezzerri
- Cystic Fibrosis Center, Azienda Ospedaliero Universitaria Ospedali Riuniti di Ancona, Via Conca, 71, 60126 Ancona, Italy;
| | - Giovanni Porta
- Department of Medicine and Surgery (DMC), Universita’ degli Studi dell’Insubria, Via J.H. Dunant, 5, 21100 Varese, Italy; (R.V.); (G.P.); (A.W.K.)
| | - Abdul Waheed Khan
- Department of Medicine and Surgery (DMC), Universita’ degli Studi dell’Insubria, Via J.H. Dunant, 5, 21100 Varese, Italy; (R.V.); (G.P.); (A.W.K.)
| | - Alessandro Rubinacci
- Bone Metabolism Unit, IRCCS Ospedale San Raffaele, Via Olgettina, 60, 20132 Milano, Italy; (S.B.); (M.S.); (A.R.); (I.V.)
| | - Isabella Villa
- Bone Metabolism Unit, IRCCS Ospedale San Raffaele, Via Olgettina, 60, 20132 Milano, Italy; (S.B.); (M.S.); (A.R.); (I.V.)
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Ye YX, Guan J, Chen XY, Yu YW, Xu ZM, Zeng SMZ, Wang ZC, Wang BZ, Jiao QC, Zhu HL. A new fluorescently labeled bisphosphonate for theranostics in tumor bone metastasis. Talanta 2021; 235:122796. [PMID: 34517654 DOI: 10.1016/j.talanta.2021.122796] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 08/04/2021] [Accepted: 08/06/2021] [Indexed: 11/30/2022]
Abstract
Bone metastasis of malignant solid tumors has become one of the most serious complications, especially in breast cancer, which was particularly challenging for early detection and treatment in clinical practice. In this work, we reported a new fluorescently labeled bisphosphonate for bone metastasis detection of breast cancer. The designed probes were based on Rhodamine B and bisphosphonate as recognition group, which can specifically target hydroxyapatite (HA) existed in bone tissue. After the osteoclasts were adsorbed on the bone surface, the surrounding microenvironment was acidified, causing the HA to locally dissolve. The probe bound to the HA was then released, and realized the fluorescence turn on under acidic conditions. In vitro experiments showed that G0 was more excellent than G2 owing to shorter connecting arm. Subsequently, we proved that G0 could combine with HA rapidly and exhibit excellent response in solid state. More importantly, we established a model of bone metastasis with MDA-MB-231 cells which was similar to the clinical cases and evaluated the theranostics value of G0 prospectively, which provide the potential application prospect in clinical.
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Affiliation(s)
- Ya-Xi Ye
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing, 210023, PR China
| | - Jing Guan
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing, 210023, PR China
| | - Xin-Yue Chen
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing, 210023, PR China
| | - Ya-Wen Yu
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing, 210023, PR China
| | - Zhu-Min Xu
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing, 210023, PR China
| | - Shang-Ming-Zhu Zeng
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing, 210023, PR China
| | - Zhong-Chang Wang
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing, 210023, PR China; Institute of Artificial Intelligence Biomedicine, Nanjing University, Nanjing, 210023, PR China
| | - Bao-Zhong Wang
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing, 210023, PR China.
| | - Qing-Cai Jiao
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing, 210023, PR China.
| | - Hai-Liang Zhu
- State Key Laboratory of Pharmaceutical Biotechnology, Nanjing, 210023, PR China.
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Abstract
Bone fragility fractures remain an important worldwide health and economic problem due to increased morbidity and mortality. The current methods for predicting fractures are largely based on the measurement of bone mineral density and the utilization of mathematical risk calculators based on clinical risk factors for bone fragility. Despite these approaches, many bone fractures remain undiagnosed. Therefore, current research is focused on the identification of new factors such as bone turnover markers (BTM) for risk calculation. BTM are a group of proteins and peptides released during bone remodeling that can be found in serum or urine. They derive from bone resorptive and formative processes mediated by osteoclasts and osteoblasts, respectively. Potential use of BTM in monitoring these phenomenon and therefore bone fracture risk is limited by physiologic and pathophysiologic factors that influence BTM. These limitations in predicting fractures explain why their inclusion in clinical guidelines remains limited despite the large number of studies examining BTM.
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Affiliation(s)
- Lisa Di Medio
- Department of Surgery and Translational Medicine, University Hospital of Florence, Florence, Italy.
| | - Maria Luisa Brandi
- Department of Surgery and Translational Medicine, University Hospital of Florence, Florence, Italy
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Nogueira LFB, Maniglia BC, Buchet R, Millán JL, Ciancaglini P, Bottini M, Ramos AP. Three-dimensional cell-laden collagen scaffolds: From biochemistry to bone bioengineering. J Biomed Mater Res B Appl Biomater 2021; 110:967-983. [PMID: 34793621 DOI: 10.1002/jbm.b.34967] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2021] [Revised: 09/05/2021] [Accepted: 10/30/2021] [Indexed: 12/22/2022]
Abstract
The bones can be viewed as both an organ and a material. As an organ, the bones give structure to the body, facilitate skeletal movement, and provide protection to internal organs. As a material, the bones consist of a hybrid organic/inorganic three-dimensional (3D) matrix, composed mainly of collagen, noncollagenous proteins, and a calcium phosphate mineral phase, which is formed and regulated by the orchestrated action of a complex array of cells including chondrocytes, osteoblasts, osteocytes, and osteoclasts. The interactions between cells, proteins, and minerals are essential for the bone functions under physiological loading conditions, trauma, and fractures. The organization of the bone's organic and inorganic phases stands out for its mechanical and biological properties and has inspired materials research. The objective of this review is to fill the gaps between the physical and biological characteristics that must be achieved to fabricate scaffolds for bone tissue engineering with enhanced performance. We describe the organization of bone tissue highlighting the characteristics that have inspired the development of 3D cell-laden collagenous scaffolds aimed at replicating the mechanical and biological properties of bone after implantation. The role of noncollagenous macromolecules in the organization of the collagenous matrix and mineralization ability of entrapped cells has also been reviewed. Understanding the modulation of cell activity by the extracellular matrix will ultimately help to improve the biological performance of 3D cell-laden collagenous scaffolds used for bone regeneration and repair as well as for in vitro studies aimed at unravelling physiological and pathological processes occurring in the bone.
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Affiliation(s)
- Lucas Fabricio Bahia Nogueira
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto da Universidade de São Paulo (FFCLRP-USP), São Paulo, Brazil.,Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy
| | - Bianca C Maniglia
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto da Universidade de São Paulo (FFCLRP-USP), São Paulo, Brazil
| | - Rene Buchet
- Institute for Molecular and Supramolecular Chemistry and Biochemistry, Université Claude Bernard Lyon 1, Villeurbanne, France
| | - José Luis Millán
- Sanford Children's Health Research Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California, USA
| | - Pietro Ciancaglini
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto da Universidade de São Paulo (FFCLRP-USP), São Paulo, Brazil
| | - Massimo Bottini
- Department of Experimental Medicine, University of Rome Tor Vergata, Rome, Italy.,Sanford Children's Health Research Center, Sanford Burnham Prebys Medical Discovery Institute, La Jolla, California, USA
| | - Ana Paula Ramos
- Departamento de Química, Faculdade de Filosofia, Ciências e Letras de Ribeirão Preto da Universidade de São Paulo (FFCLRP-USP), São Paulo, Brazil
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Wang K, Luo F, Wang L, Zhang B, Fan Y, Wang X, Xu D, Zhang X. Biomineralization from the Perspective of Ion Aggregation: Calcium Phosphate Nucleation in the Physiological Environment. ACS APPLIED MATERIALS & INTERFACES 2021; 13:49519-49534. [PMID: 34609125 DOI: 10.1021/acsami.1c15393] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Biomineralization is an important process of bone tissue generation. Calcium (Ca) and phosphate (P) ions aggregate and nucleate under the regulation of biomolecules at the initial mineralization stage. Due to the complexity of the physiological environment, the movement behavior and mineralization mechanism of calcium and phosphate ions, as well as the effect of biomolecules on them, are not clear. In this study, computer simulations and experimental verification were applied to investigate the characteristics of the initial biomineralization from the view of ion aggregation and nucleation. The results prove that P ions play a more important role in mineralization than Ca ions. The guanidyl group and surrounding carboxyl terminal groups are a potential excellent nucleation domain on proteins. The interval distribution of acidic/basic residues on protein is more conductive to the formation of large Ca and P ions clusters. The involvement of protein could increase the probability of hydroxyapatite phase precipitation, especially in the presence of a helical conformation. The detailed information on Ca and P ions behavior provided by the computer simulations is helpful for further understanding the mechanism of biomineralization, which will promote the development of bone repair materials to the biomimetic mineralized materials.
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Affiliation(s)
- Kefeng Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
- Research Center for Material Genome Engineering, Sichuan University, Chengdu 610064, China
| | - Fengxiong Luo
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Ling Wang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Boqing Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Yujiang Fan
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
| | - Xin Wang
- Research Center for Material Genome Engineering, Sichuan University, Chengdu 610064, China
- College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Dingguo Xu
- Research Center for Material Genome Engineering, Sichuan University, Chengdu 610064, China
- College of Chemistry, Sichuan University, Chengdu 610064, China
| | - Xingdong Zhang
- National Engineering Research Center for Biomaterials, Sichuan University, Chengdu 610064, China
- Research Center for Material Genome Engineering, Sichuan University, Chengdu 610064, China
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Guo X, Li M, Qi W, Bai H, Nie Z, Hu Z, Xiao Y, de Bruijn JD, Bao C, Yuan H. Serial cellular events in bone formation initiated by calcium phosphate ceramics. Acta Biomater 2021; 134:730-743. [PMID: 34303865 DOI: 10.1016/j.actbio.2021.07.037] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 07/15/2021] [Accepted: 07/16/2021] [Indexed: 02/05/2023]
Abstract
To better understand the biological mechanisms triggered by osteoinductive materials in vivo, we evaluated the timeline of cellular responses to osteoinductive materials subcutaneously implanted in FVB mice. More F4/80-positive macrophages were present in osteoinductive tri-CaP ceramic (TCP) with submicron surface topography (TCPs) than non-osteoinductive TCP with micron surface topography (TCPb) at week 1. Moreover, TCPs (but not TCPb) significantly enhanced osteoclastogenesis, and induced macrophages to polarize from M1 to M2 in the first week. The time sequence and relevance of macrophages and osteoclasts responses involved in bone formation was then evaluated through peri-implant injection of specific chemicals in mice implanted with osteoinductive TCPs. Day-1 injection of clodronate liposomes (LipClod) depleted macrophages, inhibited macrophage polarization to M2, blocked osteoclastogenesis and bone formation, while the day-6 injection was less effective. Anti-RANKL antibody (aRANKL) did not affect macrophage colonization but inhibited osteoclastogenesis. Injection of aRANKL before week 2 aborted bone formation in TCPs, while injection at week 4 partially inhibited bone formation. The overall data show that following ectopic implantation, osteoinductive materials allow macrophage colonization in hours to days, macrophage polarization to M2 in days (within 7 days), osteoclastogenesis in weeks (e.g. in 2 weeks) and bone formation thereafter (after 4 weeks). The serial cellular events verified herein bring a new insight on material-induced bone formation and pave the way to further explore the mechanisms triggered by osteoinductive materials. STATEMENT OF SIGNIFICANCE: A series of key cellular events triggered by osteoinductive calcium phosphate ceramic was revealed: macrophages colonized within hours to days, polarization of M2 macrophages occurred within 7 days, osteoclastogenesis mainly occurred in weeks (e.g. in 2 weeks) and bone formation finally arose thereafter (after 4 weeks). Moreover, such time sequence of cellular events was confirmed with specific chemicals (clodronate liposomes and anti-RANKL antibody). The findings verified herein bring a new insight on material-induced bone formation and pave the way to further explore the mechanisms triggered by osteoinductive materials.
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Affiliation(s)
- Xiaodong Guo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Rd, Chengdu, Sichuan 610041, China
| | - Mingzheng Li
- Stomatological Hospital of Chongqing Medical University, Chongqing Key Laboratory of Oral Diseases and Biomedical Sciences, Chongqing Municipal Key Laboratory of Oral Biomedical Engineering of Higher Education, Chongqing 400015, China
| | - Wenting Qi
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Rd, Chengdu, Sichuan 610041, China
| | - Hetian Bai
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Rd, Chengdu, Sichuan 610041, China
| | - Zhangling Nie
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Rd, Chengdu, Sichuan 610041, China
| | - Zhiqiao Hu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Rd, Chengdu, Sichuan 610041, China
| | - Yu Xiao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Rd, Chengdu, Sichuan 610041, China
| | - Joost D de Bruijn
- Kuros Biosciences BV, Prof. Bronkhorstlaan 10, MB Bilthoven 3723, the Netherlands; School of Engineering and Materials Science, Queen Mary University of London, UK
| | - Chongyun Bao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, No. 14, Section 3, Ren Min Nan Rd, Chengdu, Sichuan 610041, China.
| | - Huipin Yuan
- Kuros Biosciences BV, Prof. Bronkhorstlaan 10, MB Bilthoven 3723, the Netherlands; Huipin Yuan's Lab, Sichuan, China.
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36
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Wang X, Nie Z, Chang J, Lu ML, Kang Y. Multiple channels with interconnected pores in a bioceramic scaffold promote bone tissue formation. Sci Rep 2021; 11:20447. [PMID: 34650074 PMCID: PMC8516977 DOI: 10.1038/s41598-021-00024-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2021] [Accepted: 10/01/2021] [Indexed: 11/13/2022] Open
Abstract
Insufficient nutrition exchange and limited transportation of blood supply in a porous only scaffold often hinder bone formation, even though the porous scaffold is loaded with cells or growth factors. To overcome these issues, we developed a cell- and growth factor-free approach to induce bone formation in a critical-size bone defect by using an interconnected porous beta-tricalcium phosphate (β-TCP) scaffold with multiple channels. In vitro cell experimental results showed that multiple channels significantly promoted cell attachment and proliferation of human bone marrow mesenchymal stem cells, stimulated their alkaline phosphatase activity, and up-regulated the osteogenic gene expression. Multiple channels also considerably stimulated the expression of various mechanosensing markers of the cells, such as focal adhesion kinase, filamentous actin, and Yes-associated protein-1 at both static and dynamic culturing conditions. The in vivo bone defect implantation results demonstrated more bone formation inside multiple-channeled scaffolds compared to non-channeled scaffolds. Multiple channels prominently accelerated collagen type I, bone sialoprotein and osteocalcin protein expression. Fluorochrome images and angiogenic marker CD31 staining exhibited more mineral deposition and longer vasculature structures in multiple-channeled scaffolds, compared to non-channeled scaffolds. All the findings suggested that the creation of interconnected multiple channels in the porous β-TCP scaffold is a very promising approach to promote bone tissue regeneration.
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Affiliation(s)
- Xuesong Wang
- Department of Ocean and Mechanical Engineering, College of Engineering and Computer Science, Florida Atlantic University, Boca Raton, FL, 33431, USA
| | - Ziyan Nie
- Department of Ocean and Mechanical Engineering, College of Engineering and Computer Science, Florida Atlantic University, Boca Raton, FL, 33431, USA
| | - Jia Chang
- Department of Periodontology, University of Florida College of Dentistry, Gainesville, FL, 32610, USA
| | - Michael L Lu
- Department of Biomedical Science, College of Medicine, Florida Atlantic University, Boca Raton, FL, 33431, USA.,Department of Biological Science, Faculty of Integrative Biology Program, College of Science, Florida Atlantic University, Boca Raton, FL, 33431, USA
| | - Yunqing Kang
- Department of Ocean and Mechanical Engineering, College of Engineering and Computer Science, Florida Atlantic University, Boca Raton, FL, 33431, USA. .,Department of Biomedical Science, College of Medicine, Florida Atlantic University, Boca Raton, FL, 33431, USA. .,Department of Biological Science, Faculty of Integrative Biology Program, College of Science, Florida Atlantic University, Boca Raton, FL, 33431, USA.
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A Review on the Enhancement of Calcium Phosphate Cement with Biological Materials in Bone Defect Healing. Polymers (Basel) 2021; 13:polym13183075. [PMID: 34577976 PMCID: PMC8472520 DOI: 10.3390/polym13183075] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/25/2021] [Revised: 09/05/2021] [Accepted: 09/10/2021] [Indexed: 01/28/2023] Open
Abstract
Calcium phosphate cement (CPC) is a promising material used in the treatment of bone defects due to its profitable features of self-setting capability, osteoconductivity, injectability, mouldability, and biocompatibility. However, the major limitations of CPC, such as the brittleness, lack of osteogenic property, and poor washout resistance, remain to be resolved. Thus, significant research effort has been committed to modify and reinforce CPC. The mixture of CPC with various biological materials, defined as the materials produced by living organisms, have been fabricated by researchers and their characteristics have been investigated in vitro and in vivo. This present review aimed to provide a comprehensive overview enabling the readers to compare the physical, mechanical, and biological properties of CPC upon the incorporation of different biological materials. By mixing the bone-related transcription factors, proteins, and/or polysaccharides with CPC, researchers have demonstrated that these combinations not only resolved the lack of mechanical strength and osteogenic effects of CPC but also further improve its own functional properties. However, exceptions were seen in CPC incorporated with certain proteins (such as elastin-like polypeptide and calcitonin gene-related peptide) as well as blood components. In conclusion, the addition of biological materials potentially improves CPC features, which vary depending on the types of materials embedded into it. The significant enhancement of CPC seen in vitro and in vivo requires further verification in human trials for its clinical application.
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38
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da Costa Fernandes CJ, de Almeida GS, Pinto TS, Teixeira SA, Bezerra FJ, Zambuzzi WF. Metabolic effects of CoCr-enriched medium on shear-stressed endothelial cell and osteoblasts: A possible mechanism involving a hypoxic condition on bone healing. MATERIALS SCIENCE & ENGINEERING. C, MATERIALS FOR BIOLOGICAL APPLICATIONS 2021; 128:112353. [PMID: 34474901 DOI: 10.1016/j.msec.2021.112353] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 07/26/2021] [Accepted: 07/28/2021] [Indexed: 12/22/2022]
Abstract
Cobalt-chromium (CoCr)-based alloys have emerged as an interesting biomaterial within biomedical field, mainly considering their biocompatibility, resistance to corrosion and absence of magnetism; however, its effect on cell metabolism is barely known and this prompted us better evaluating whether CoCr-enriched medium affects the metabolism of both osteoblast and endothelial cells, and also if there is a coupling between them. This is also considered here the already-known effect of Cobalt (Co) as a hypoxic element. Firstly, discs of CoCr [subjecting (W) or not (Wo) to dual acid-etched (DAE)] were incubated into FBS-free cell culture medium up to 24 h (37 °C). This CoCr-enriched medium was further used to treat shear-stressed endothelial cells cultures up to 72 h. Thereafter, the conditioned medium containing metabolites of shear-stressed endothelial cells in response to CoCr-enriched medium was further used to subject osteoblast's cultures, when the samples were properly harvested to allow the analysis of the molecular issues. Our data shows that CoCr-enriched medium contains 1.5 ng-2.0 ng/mL of Co, which was captured by endothelial cells and osteoblasts in about 30% in amount and it seems modulate their metabolic pathways: shear-stressed endothelial cells expressed higher profile of HIF1α, VEGF and nNOS genes, while their global profile of protein carbonylation was lower than the control cultures, suggesting lower oxidative stress commitment. Additionally, osteoblasts responding to metabolites of CoCr-challenged endothelial cells show dynamic expression of marker genes in osteogenic differentiation, with alkaline phosphatase (ALP), osteocalcin, and bone sialoprotein (BSP) genes being significantly increased. Additionally, tensional shear-stress forces decrease the stimulus for ColA1gene expression in osteoblasts responding to endothelial cells metabolites, as well as modifying the extracellular matrix remodeling related genes. Analyzing the activities of matrix metalloproteinases (MMPs), the data shows that shear-stressed endothelial cells metabolites increase the activities of both MMP9 and MMP2 in osteoblasts. Altogether, our data shows for the first time that shear-stressed endothelial metabolites responding to CoCr discs contribute to osteogenic phenotype in vitro, and this predicts an active crosstalk between angiogenesis and osteogenesis during osseointegration of CoCr alloy and bone healing, maybe guided by the Co-induced hypoxic condition.
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Affiliation(s)
- Célio Junior da Costa Fernandes
- Lab. of Bioassays and Cell Dynamics, Department of Chemical and Biological Sciences, Institute of Biosciences, UNESP - Universidade Estadual Paulista, Botucatu, São Paulo 18618-970, Brazil
| | - Gerson Santos de Almeida
- Lab. of Bioassays and Cell Dynamics, Department of Chemical and Biological Sciences, Institute of Biosciences, UNESP - Universidade Estadual Paulista, Botucatu, São Paulo 18618-970, Brazil
| | - Thais Silva Pinto
- Lab. of Bioassays and Cell Dynamics, Department of Chemical and Biological Sciences, Institute of Biosciences, UNESP - Universidade Estadual Paulista, Botucatu, São Paulo 18618-970, Brazil
| | - Suelen Aparecida Teixeira
- Lab. of Bioassays and Cell Dynamics, Department of Chemical and Biological Sciences, Institute of Biosciences, UNESP - Universidade Estadual Paulista, Botucatu, São Paulo 18618-970, Brazil
| | - Fábio J Bezerra
- Lab. of Bioassays and Cell Dynamics, Department of Chemical and Biological Sciences, Institute of Biosciences, UNESP - Universidade Estadual Paulista, Botucatu, São Paulo 18618-970, Brazil
| | - Willian Fernando Zambuzzi
- Lab. of Bioassays and Cell Dynamics, Department of Chemical and Biological Sciences, Institute of Biosciences, UNESP - Universidade Estadual Paulista, Botucatu, São Paulo 18618-970, Brazil.
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39
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Ustriyana P, Schulte F, Gombedza F, Gil-Bona A, Paruchuri S, Bidlack FB, Hardt M, Landis WJ, Sahai N. Spatial survey of non-collagenous proteins in mineralizing and non-mineralizing vertebrate tissues ex vivo. Bone Rep 2021; 14:100754. [PMID: 33665237 PMCID: PMC7900015 DOI: 10.1016/j.bonr.2021.100754] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2021] [Revised: 02/05/2021] [Accepted: 02/05/2021] [Indexed: 11/24/2022] Open
Abstract
Bone biomineralization is a complex process in which type I collagen and associated non-collagenous proteins (NCPs), including glycoproteins and proteoglycans, interact closely with inorganic calcium and phosphate ions to control the precipitation of nanosized, non-stoichiometric hydroxyapatite (HAP, idealized stoichiometry Ca10(PO4)6(OH)2) within the organic matrix of a tissue. The ability of certain vertebrate tissues to mineralize is critically related to several aspects of their function. The goal of this study was to identify specific NCPs in mineralizing and non-mineralizing tissues of two animal models, rat and turkey, and to determine whether some NCPs are unique to each type of tissue. The tissues investigated were rat femur (mineralizing) and tail tendon (non-mineralizing) and turkey leg tendon (having both mineralizing and non-mineralizing regions in the same individual specimen). An experimental approach ex vivo was designed for this investigation by combining sequential protein extraction with comprehensive protein mapping using proteomics and Western blotting. The extraction method enabled separation of various NCPs based on their association with either the extracellular organic collagenous matrix phases or the inorganic mineral phases of the tissues. The proteomics work generated a complete picture of NCPs in different tissues and animal species. Subsequently, Western blotting provided validation for some of the proteomics findings. The survey then yielded generalized results relevant to various protein families, rather than only individual NCPs. This study focused primarily on the NCPs belonging to the small leucine-rich proteoglycan (SLRP) family and the small integrin-binding ligand N-linked glycoproteins (SIBLINGs). SLRPs were found to be associated only with the collagenous matrix, a result suggesting that they are mainly involved in structural matrix organization and not in mineralization. SIBLINGs as well as matrix Gla (γ-carboxyglutamate) protein were strictly localized within the inorganic mineral phase of mineralizing tissues, a finding suggesting that their roles are limited to mineralization. The results from this study indicated that osteocalcin was closely involved in mineralization but did not preclude possible additional roles as a hormone. This report provides for the first time a spatial survey and comparison of NCPs from mineralizing and non-mineralizing tissues ex vivo and defines the proteome of turkey leg tendons as a model for vertebrate mineralization.
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Key Words
- B, rat bone
- BSP, bone sialoprotein
- DCN, decorin
- E, EDTA extract
- ECM, extracellular matrix
- G, guanidine-HCl-only extract (for non-mineralizing tissues)
- G1, first guanidine-HCl extract
- G2, second guanidine-HCl extract
- Gla, gamma-carboxylated glutamic acid
- MGP, matrix Gla protein
- MT, turkey mineralizing tendon
- Mineralization
- NCP, non-collagenous protein
- NMT, turkey never-mineralizing tendon
- NT, turkey not-yet-mineralized tendon
- Non-collagenous protein
- OCN, osteocalcin
- OPN, osteopontin
- Proteomics
- SIBLING, small integrin-binding ligand N-linked glycoprotein
- SLRP, small leucine-rich proteoglycan
- T, rat tail tendon
- TLT, turkey leg tendon (gastrocnemius)
- TNAP, tissue-nonspecific alkaline phosphatase
- Type I collagen
- Vertebrate
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Affiliation(s)
- Putu Ustriyana
- School of Polymer Science and Polymer Engineering, The University of Akron, Akron, OH 44325, USA
| | - Fabian Schulte
- The Forsyth Institute, Cambridge, MA 02142, USA
- Department of Developmental Biology, Harvard School of Dental Medicine, Boston, MA 02115, USA
| | - Farai Gombedza
- Department of Chemistry, The University of Akron, Akron, OH 44325, USA
| | - Ana Gil-Bona
- The Forsyth Institute, Cambridge, MA 02142, USA
- Department of Developmental Biology, Harvard School of Dental Medicine, Boston, MA 02115, USA
| | - Sailaja Paruchuri
- Department of Chemistry, The University of Akron, Akron, OH 44325, USA
| | - Felicitas B. Bidlack
- The Forsyth Institute, Cambridge, MA 02142, USA
- Department of Developmental Biology, Harvard School of Dental Medicine, Boston, MA 02115, USA
| | - Markus Hardt
- The Forsyth Institute, Cambridge, MA 02142, USA
- Department of Developmental Biology, Harvard School of Dental Medicine, Boston, MA 02115, USA
| | - William J. Landis
- School of Polymer Science and Polymer Engineering, The University of Akron, Akron, OH 44325, USA
| | - Nita Sahai
- School of Polymer Science and Polymer Engineering, The University of Akron, Akron, OH 44325, USA
- Department of Geosciences, The University of Akron, Akron, OH 44325, USA
- Integrated Bioscience Program, The University of Akron, Akron, OH 44325, USA
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40
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Choi E, Kim D, Kang D, Yang GH, Jung B, Yeo M, Park MJ, An S, Lee K, Kim JS, Kim JC, Jeong W, Yoo HH, Jeon H. 3D-printed gelatin methacrylate (GelMA)/silanated silica scaffold assisted by two-stage cooling system for hard tissue regeneration. Regen Biomater 2021; 8:rbab001. [PMID: 33738115 PMCID: PMC7955716 DOI: 10.1093/rb/rbab001] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2020] [Revised: 12/23/2020] [Accepted: 01/01/2021] [Indexed: 12/12/2022] Open
Abstract
Among many biomaterials, gelatin methacrylate (GelMA), a photocurable protein, has been widely used in 3D bioprinting process owing to its excellent cellular responses, biocompatibility and biodegradability. However, GelMA still shows a low processability due to the severe temperature dependence of viscosity. To overcome this obstacle, we propose a two-stage temperature control system to effectively control the viscosity of GelMA. To optimize the process conditions, we evaluated the temperature of the cooling system (jacket and stage). Using the established system, three GelMA scaffolds were fabricated in which different concentrations (0, 3 and 10 wt%) of silanated silica particles were embedded. To evaluate the performances of the prepared scaffolds suitable for hard tissue regeneration, we analyzed the physical (viscoelasticity, surface roughness, compressive modulus and wettability) and biological (human mesenchymal stem cells growth, western blotting and osteogenic differentiation) properties. Consequently, the composite scaffold with greater silica contents (10 wt%) showed enhanced physical and biological performances including mechanical strength, cell initial attachment, cell proliferation and osteogenic differentiation compared with those of the controls. Our results indicate that the GelMA/silanated silica composite scaffold can be potentially used for hard tissue regeneration.
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Affiliation(s)
- Eunjeong Choi
- Research Institute of Additive Manufacturing and Regenerative Medicine, Baobab Healthcare Inc, 55 Hanyangdaehak-Ro, Ansan, Gyeonggi-do 15588, South Korea
| | - Dongyun Kim
- Department of Mechanical Engineering, Korea Polytechnic University, Sangidaehak-ro, Siheung, Gyeonggi-do 15073, South Korea
| | - Donggu Kang
- Research Institute of Additive Manufacturing and Regenerative Medicine, Baobab Healthcare Inc, 55 Hanyangdaehak-Ro, Ansan, Gyeonggi-do 15588, South Korea
| | - Gi Hoon Yang
- Research Institute of Additive Manufacturing and Regenerative Medicine, Baobab Healthcare Inc, 55 Hanyangdaehak-Ro, Ansan, Gyeonggi-do 15588, South Korea
| | - Bongsu Jung
- Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF), 80, Cheombok-ro, Dong-gu, Daegu 41061, South Korea
| | - MyungGu Yeo
- Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF), 80, Cheombok-ro, Dong-gu, Daegu 41061, South Korea
| | - Min-Jeong Park
- Medical Device Development Center, Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF), 80, Cheombok-ro, Dong-gu, Daegu 41061, South Korea
| | - SangHyun An
- Laboratory Animal Center, Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF), 80 Cheombok-ro, Dong-gu, Daegu 41061, South Korea
| | - KyoungHo Lee
- Laboratory Animal Center, Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF), 80 Cheombok-ro, Dong-gu, Daegu 41061, South Korea
| | - Jun Sik Kim
- Laboratory Animal Center, Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF), 80 Cheombok-ro, Dong-gu, Daegu 41061, South Korea
| | - Jong Chul Kim
- Laboratory Animal Center, Daegu-Gyeongbuk Medical Innovation Foundation (DGMIF), 80 Cheombok-ro, Dong-gu, Daegu 41061, South Korea
| | - Woonhyeok Jeong
- Department of Plastic and Reconstructive Surgery, Dongsan Medical Center, Keimyung University College of Medicine, 1035 Dalgubeol-daero, Dalseo-gu, Daegu 42601, South Korea
| | - Hye Hyun Yoo
- Institute of Pharmaceutical Science and Technology, College of Pharmacy, Hanyang University, 55 Hanyangdaehak-Ro, Ansan, Gyeonggi-Do 15588, South Korea
| | - Hojun Jeon
- Research Institute of Additive Manufacturing and Regenerative Medicine, Baobab Healthcare Inc, 55 Hanyangdaehak-Ro, Ansan, Gyeonggi-do 15588, South Korea
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41
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Mummadisetti MP, Drake JL, Falkowski PG. The spatial network of skeletal proteins in a stony coral. J R Soc Interface 2021; 18:20200859. [PMID: 33622149 PMCID: PMC8086859 DOI: 10.1098/rsif.2020.0859] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Coral skeletons are materials composed of inorganic aragonitic fibres and organic molecules including proteins, sugars and lipids that are highly organized to form a solid biomaterial upon which the animals live. The skeleton contains tens of proteins, all of which are encoded in the animal genome and secreted during the biomineralization process. While recent advances are revealing the functions and evolutionary history of some of these proteins, how they are spatially arranged in the skeleton is unknown. Using a combination of chemical cross-linking and high-resolution tandem mass spectrometry, we identify, for the first time, the spatial interactions of the proteins embedded within the skeleton of the stony coral Stylophora pistillata. Our subsequent network analysis revealed that several coral acid-rich proteins are invariably associated with carbonic anhydrase(s), alpha-collagen, cadherins and other calcium-binding proteins. These spatial arrangements clearly show that protein-protein interactions in coral skeletons are highly coordinated and are key to understanding the formation and persistence of coral skeletons through time.
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Affiliation(s)
- Manjula P Mummadisetti
- Environmental Biophysics and Molecular Biology Program, Department of Marine and Coastal Sciences, Rutgers, The State University of New Jersey, 71 Dudley Rd, New Brunswick, NJ 08901, USA
| | - Jeana L Drake
- Department of Earth, Planetary, and Space Sciences, University of California, Los Angeles, 595 Charles E. Young Drive East, Los Angeles, CA 90095, USA.,Department of Marine Biology, University of Haifa, 199 Aba Khoushy Avenue, Mount Carmel, Haifa 2498838, Israel
| | - Paul G Falkowski
- Environmental Biophysics and Molecular Biology Program, Department of Marine and Coastal Sciences, Rutgers, The State University of New Jersey, 71 Dudley Rd, New Brunswick, NJ 08901, USA.,Department of Earth and Planetary Sciences, Rutgers, The State University of New Jersey, Piscataway, NJ 08854, USA
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42
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Vidavsky N, Kunitake JAMR, Estroff LA. Multiple Pathways for Pathological Calcification in the Human Body. Adv Healthc Mater 2021; 10:e2001271. [PMID: 33274854 PMCID: PMC8724004 DOI: 10.1002/adhm.202001271] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 10/16/2020] [Indexed: 12/12/2022]
Abstract
Biomineralization of skeletal components (e.g., bone and teeth) is generally accepted to occur under strict cellular regulation, leading to mineral-organic composites with hierarchical structures and properties optimized for their designated function. Such cellular regulation includes promoting mineralization at desired sites as well as inhibiting mineralization in soft tissues and other undesirable locations. In contrast, pathological mineralization, with potentially harmful health effects, can occur as a result of tissue or metabolic abnormalities, disease, or implantation of certain biomaterials. This progress report defines mineralization pathway components and identifies the commonalities (and differences) between physiological (e.g., bone remodeling) and pathological calcification formation pathways, based, in part, upon the extent of cellular control within the system. These concepts are discussed in representative examples of calcium phosphate-based pathological mineralization in cancer (breast, thyroid, ovarian, and meningioma) and in cardiovascular disease. In-depth mechanistic understanding of pathological mineralization requires utilizing state-of-the-art materials science imaging and characterization techniques, focusing not only on the final deposits, but also on the earlier stages of crystal nucleation, growth, and aggregation. Such mechanistic understanding will further enable the use of pathological calcifications in diagnosis and prognosis, as well as possibly provide insights into preventative treatments for detrimental mineralization in disease.
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Affiliation(s)
- Netta Vidavsky
- Department of Chemical Engineering, Ben-Gurion University of the Negev, Beer-Sheva, 8410501, Israel
| | - Jennie A M R Kunitake
- Department of Materials Science and Engineering, Cornell University, Ithaca, NY, 14853, USA
| | - Lara A Estroff
- Department of Materials Science and Engineering, Cornell University, Ithaca, NY, 14853, USA
- Kavli Institute at Cornell for Nanoscale Science, Ithaca, NY, 14853, USA
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43
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Misawa A, Kondo Y, Takei H, Takizawa T. Long Noncoding RNA HOXA11-AS and Transcription Factor HOXB13 Modulate the Expression of Bone Metastasis-Related Genes in Prostate Cancer. Genes (Basel) 2021; 12:genes12020182. [PMID: 33514011 PMCID: PMC7912412 DOI: 10.3390/genes12020182] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 01/17/2021] [Accepted: 01/21/2021] [Indexed: 12/31/2022] Open
Abstract
Long noncoding RNAs (lncRNAs) are emerging as critical regulators of gene expression, which play fundamental roles in cancer development. In this study, we found that homeobox A11 antisense RNA (HOXA11-AS), a highly expressed lncRNA in cell lines derived from prostate cancer bone metastases, promoted the cell invasion and proliferation of PC3 prostate cancer cells. Transcription factor homeobox B13 (HOXB13) was identified as an upstream regulator of HOXA11-AS.HOXA11-AS regulated bone metastasis-associated C-C motif chemokine ligand 2 (CCL2)/C-C chemokine receptor type 2 (CCR2) signaling in both PC3 prostate cancer cells and SaOS2 osteoblastic cells. The HOXB13/HOXA11-AS axis also regulated integrin subunits (ITGAV and ITGB1) specific to prostate cancer bone metastasis. HOXB13, in combination with HOXA11-AS, directly regulated the integrin-binding sialoprotein (IBSP) promoter. Furthermore, conditioned medium containing HOXA11-AS secreted from PC3 cells could induce the expression of CCL2 and IBSP in SaOS2 osteoblastic cells. These results suggest that prostate cancer HOXA11-AS and HOXB13 promote metastasis by regulation of CCL2/CCR2 cytokine and integrin signaling in autocrine and paracrine manners.
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Affiliation(s)
- Aya Misawa
- Department of Molecular Medicine and Anatomy, Nippon Medical School, 1-1-5 Sendagi, Tokyo 113-8602, Japan;
| | - Yukihiro Kondo
- Department of Urology, Nippon Medical School, 1-1-5 Sendagi, Tokyo 113-8602, Japan;
| | - Hiroyuki Takei
- Department of Breast Surgical Oncology, Nippon Medical School, 1-1-5 Sendagi, Tokyo 113-8602, Japan;
| | - Toshihiro Takizawa
- Department of Molecular Medicine and Anatomy, Nippon Medical School, 1-1-5 Sendagi, Tokyo 113-8602, Japan;
- Correspondence: ; Tel.: +81-3-3822-2131; Fax: +81-3-5685-3052
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44
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Ro HS, Park HJ, Seo YK. Fluorine-incorporated TiO 2 nanotopography enhances adhesion and differentiation through ERK/CREB pathway. J Biomed Mater Res A 2020; 109:1406-1417. [PMID: 33253478 PMCID: PMC8247403 DOI: 10.1002/jbm.a.37132] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2020] [Revised: 11/25/2020] [Accepted: 11/28/2020] [Indexed: 12/25/2022]
Abstract
This study compared the topography of different titanium surface structures (TiO2 nanotube and grain) with similar elemental compositions (TiO2 and fluorine [F]) on the Ti surface. High magnification indicated that the surfaces of the control and etching groups were similar to each other in a flat, smooth form. The group anodized for 1 h was observed with TiO2 nanotubes organized very neatly and regularly. In the group anodized for 30 min after etching, uneven wave and nanopore structures were observed. In addition, MTT assay showed that the F of the surface did not adversely affect cell viability, and the initial cell adhesion was increased in the 2.8% F‐incorporated TiO2 nanograin. At the edge of adherent cells, filopodia were observed in spreading form on the surfaces of the anodizing and two‐step processing groups, and they were observed in a branch shape in the control and etching groups. Moreover, cell adhesion molecule and osteogenesis marker expression was increased at the F‐incorporated TiO2 nanostructure. In addition, it was found that the expression of p‐extracellular signal‐regulated kinase (ERK) and p‐cAMP response element‐binding protein (CREB) increased in the TiO2 nanograin with the nanopore surface compared to the micro rough and nanotube surfaces relative to the osteogenic‐related gene expression patterns. As a result, this study confirmed that the topographic structure of the surface is more affected by osteogenic differentiation than the pore size and that differentiation by specific surface composition components is by CREB. Thus, the synergy effect of osteogenic differentiation was confirmed by the simultaneous activation of CREB/ERK.
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Affiliation(s)
- Hyang-Seon Ro
- Department of Chemical and Biochemical Engineering, Dongguk University, Seoul, South Korea
| | - Hee-Jung Park
- Department of Medical Biotechnology (BK21 Plus team), Dongguk University, Gyeonggi-do, South Korea
| | - Young-Kwon Seo
- Department of Medical Biotechnology (BK21 Plus team), Dongguk University, Gyeonggi-do, South Korea
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45
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Dhavalikar P, Robinson A, Lan Z, Jenkins D, Chwatko M, Salhadar K, Jose A, Kar R, Shoga E, Kannapiran A, Cosgriff-Hernandez E. Review of Integrin-Targeting Biomaterials in Tissue Engineering. Adv Healthc Mater 2020; 9:e2000795. [PMID: 32940020 PMCID: PMC7960574 DOI: 10.1002/adhm.202000795] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 08/27/2020] [Indexed: 12/12/2022]
Abstract
The ability to direct cell behavior has been central to the success of numerous therapeutics to regenerate tissue or facilitate device integration. Biomaterial scientists are challenged to understand and modulate the interactions of biomaterials with biological systems in order to achieve effective tissue repair. One key area of research investigates the use of extracellular matrix-derived ligands to target specific integrin interactions and induce cellular responses, such as increased cell migration, proliferation, and differentiation of mesenchymal stem cells. These integrin-targeting proteins and peptides have been implemented in a variety of different polymeric scaffolds and devices to enhance tissue regeneration and integration. This review first presents an overview of integrin-mediated cellular processes that have been identified in angiogenesis, wound healing, and bone regeneration. Then, research utilizing biomaterials are highlighted with integrin-targeting motifs as a means to direct these cellular processes to enhance tissue regeneration. In addition to providing improved materials for tissue repair and device integration, these innovative biomaterials provide new tools to probe the complex processes of tissue remodeling in order to enhance the rational design of biomaterial scaffolds and guide tissue regeneration strategies.
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Affiliation(s)
- Prachi Dhavalikar
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Andrew Robinson
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Ziyang Lan
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Dana Jenkins
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Malgorzata Chwatko
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Karim Salhadar
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Anupriya Jose
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Ronit Kar
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Erik Shoga
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Aparajith Kannapiran
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
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46
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Neubauer VJ, Scheibel T. Spider Silk Fusion Proteins for Controlled Collagen Binding and Biomineralization. ACS Biomater Sci Eng 2020; 6:5599-5608. [PMID: 33320578 DOI: 10.1021/acsbiomaterials.0c00818] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
The development of biomaterials for the interface between tendon and bone is important for realizing functional tendon replacements. Toward the development of new materials for such applications, engineered recombinant spider silk proteins were modified with peptide tag sequences derived from noncollagenous proteins in bone, so-called SIBLING proteins, such as osteopontin and sialoprotein, which are known to interact with collagen and to initiate mineralization. Materials made of these spider silk-SIBLING hybrids were analyzed concerning mineralization and interaction with cells. They showed enhanced calcium phosphate formation upon incubation in mineralization agents. In gradient films, MC3T3-E1 mouse preosteoblasts adhered preferentially along the gradient toward the variant with a collagen binding motif.
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Affiliation(s)
- Vanessa J Neubauer
- Lehrstuhl Biomaterialien, Fakultät für Ingenieurwissenschaften, Universität Bayreuth, Prof.-Rüdiger-Bormann-Straße 1, 95447 Bayreuth, Germany
| | - Thomas Scheibel
- Lehrstuhl Biomaterialien, Fakultät für Ingenieurwissenschaften, Universität Bayreuth, Prof.-Rüdiger-Bormann-Straße 1, 95447 Bayreuth, Germany.,Bayreuther Zentrum für Kolloide und Grenzflächen (BZKG), Universität Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany.,Bayerisches Polymerinstitut (BPI), Universitätsstraße 30, 95440 Bayreuth, Germany.,Bayreuther Zentrum für Molekulare Biowissenschaften (BZMB), Universität Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany.,Bayreuther Materialzentrum (BayMAT), Universität Bayreuth, Universitätsstraße 30, 95440 Bayreuth, Germany
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Rodrigues EM, Viola KS, Gomes‐Cornélio AL, Soares‐Costa A, Henrique‐Silva F, Rossa‐Junior C, Guerreiro‐Tanomaru JM, Tanomaru‐Filho M. Sugarcane cystatin CaneCPI‐1 promotes osteogenic differentiation in human dental pulp cells: a new insight into cysteine proteases inhibitors. Int Endod J 2020; 53:1485-1493. [DOI: 10.1111/iej.13371] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2020] [Revised: 07/17/2020] [Accepted: 07/23/2020] [Indexed: 01/09/2023]
Affiliation(s)
- E. M. Rodrigues
- Department of Restorative Dentistry Dental School of São Paulo State University Araraquara São PauloBrazil
| | - K. S. Viola
- Department of Restorative Dentistry Dental School of São Paulo State University Araraquara São PauloBrazil
| | - A. L. Gomes‐Cornélio
- Department of Restorative Dentistry Dental School of São Paulo State University Araraquara São PauloBrazil
| | - A. Soares‐Costa
- Department of Genetic and Evolution Federal University of Sao Carlos São CarlosBrazil
| | - F. Henrique‐Silva
- Department of Genetic and Evolution Federal University of Sao Carlos São CarlosBrazil
| | - C. Rossa‐Junior
- Department of Diagnosis and Surgery Dental School of São Paulo State University Araraquara São Paulo Brazil
| | - J. M. Guerreiro‐Tanomaru
- Department of Restorative Dentistry Dental School of São Paulo State University Araraquara São PauloBrazil
| | - M. Tanomaru‐Filho
- Department of Restorative Dentistry Dental School of São Paulo State University Araraquara São PauloBrazil
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Voltrova B, Jarolimova P, Hybasek V, Blahnova VH, Sepitka J, Sovkova V, Matějka R, Daniel M, Fojt J, Filova E. In vitro evaluation of a novel nanostructured Ti-36Nb-6Ta alloy for orthopedic applications. Nanomedicine (Lond) 2020; 15:1843-1859. [PMID: 32752935 DOI: 10.2217/nnm-2020-0123] [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: 11/21/2022] Open
Abstract
Aim: To evaluate the impact of a nanostructured surface created on β-titanium alloy, Ti-36Nb-6Ta, on the growth and differentiation of human mesenchymal stem cells. Materials & methods: The nanotubes, with average diameters 18, 36 and 46 nm, were prepared by anodic oxidation. Morphology, hydrophilicity and mechanical properties of the nanotube layers were characterized. The biocompatibility and osteogenic potential of the nanostructured surfaces were established using various in vitro assays, scanning electron microscopy and confocal microscopy. Results: The nanotubes lowered elastic modulus close to that of bone, positively influenced cell adhesion, improved ALP activity, synthesis of type I collagen and osteocalcin expression, but diminished early cell proliferation. Conclusion: Nanostructured Ti-36Nb-6Ta with nanotube diameters 36 nm was the most promising material for bone implantation.
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Affiliation(s)
- Barbora Voltrova
- Department of Tissue Engineering, Institute of Experimental Medicine of The Czech Academy of Sciences, Vídeňská 1083, 142 20, Prague, Czech Republic.,Department of Physiology, Faculty of Science, Charles University in Prague, Albertov 2038/6, 128 00, Prague, Czech Republic
| | - Petra Jarolimova
- Department of Metals & Corrosion Engineering, University of Chemistry & Technology, Technická 5, 166 29, Prague, Czech Republic
| | - Vojtech Hybasek
- Department of Metals & Corrosion Engineering, University of Chemistry & Technology, Technická 5, 166 29, Prague, Czech Republic
| | - Veronika Hefka Blahnova
- Department of Tissue Engineering, Institute of Experimental Medicine of The Czech Academy of Sciences, Vídeňská 1083, 142 20, Prague, Czech Republic.,Second Faculty of Medicine, Charles University in Prague, V Úvalu 84, 150 06, Prague, Czech Republic
| | - Josef Sepitka
- Faculty of Mechanical Engineering, Czech Technical University in Prague, Technická 4, 160 00, Prague, Czech Republic
| | - Vera Sovkova
- Department of Tissue Engineering, Institute of Experimental Medicine of The Czech Academy of Sciences, Vídeňská 1083, 142 20, Prague, Czech Republic
| | - Roman Matějka
- Faculty of Biomedical Engineering, Czech Technical University in Prague, Náměstí Sítná 3105, 272 01, Kladno, Czech Republic
| | - Matej Daniel
- Faculty of Mechanical Engineering, Czech Technical University in Prague, Technická 4, 160 00, Prague, Czech Republic
| | - Jaroslav Fojt
- Department of Metals & Corrosion Engineering, University of Chemistry & Technology, Technická 5, 166 29, Prague, Czech Republic
| | - Eva Filova
- Department of Tissue Engineering, Institute of Experimental Medicine of The Czech Academy of Sciences, Vídeňská 1083, 142 20, Prague, Czech Republic.,Second Faculty of Medicine, Charles University in Prague, V Úvalu 84, 150 06, Prague, Czech Republic
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Nedjari S, Awaja F, Guarino R, Gugutkov D, Altankov G. Establishing multiple osteogenic differentiation pathways of mesenchymal stem cells through different scaffold configurations. J Tissue Eng Regen Med 2020; 14:1428-1437. [DOI: 10.1002/term.3108] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2020] [Revised: 06/10/2020] [Accepted: 06/30/2020] [Indexed: 01/08/2023]
Affiliation(s)
- Salima Nedjari
- Molecular Dynamics at Cell‐Biomaterial Interface Institute for Bioengineering of Catalonia (IBEC) Barcelona Spain
- Laboratory for Biomimetic Membranes and Textiles Swiss Federal Laboratories for Materials Science and Technology, EMPA St. Gallen Switzerland
| | - Firas Awaja
- Molecular Dynamics at Cell‐Biomaterial Interface Institute for Bioengineering of Catalonia (IBEC) Barcelona Spain
- Engmat Ltd. Galway Ireland
- Biomaterials and Tissue Engineering Lab, Experimental Orthopaedics, Department of Orthopaedic Surgery Medical University Innsbruck Innsbruck Austria
| | - Roberto Guarino
- École Polytechnique Fédérale de Lausanne (EPFL) Swiss Plasma Center (SPC) CH‐5232 Villigen PSI Switzerland
| | - Dencho Gugutkov
- Molecular Dynamics at Cell‐Biomaterial Interface Institute for Bioengineering of Catalonia (IBEC) Barcelona Spain
| | - George Altankov
- Molecular Dynamics at Cell‐Biomaterial Interface Institute for Bioengineering of Catalonia (IBEC) Barcelona Spain
- ICREA (Institucio Catalana de Recerca i Estudis Avançats) Barcelona Spain
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50
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Guiry EJ, Szpak P. Quality control for modern bone collagen stable carbon and nitrogen isotope measurements. Methods Ecol Evol 2020. [DOI: 10.1111/2041-210x.13433] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Eric J. Guiry
- Department of Anthropology Trent University Peterborough ON Canada
- School of Archaeology and Ancient History University of Leicester Leicester UK
| | - Paul Szpak
- Department of Anthropology Trent University Peterborough ON Canada
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