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Fendi F, Abdullah B, Suryani S, Usman AN, Tahir D. Development and application of hydroxyapatite-based scaffolds for bone tissue regeneration: A systematic literature review. Bone 2024; 183:117075. [PMID: 38508371 DOI: 10.1016/j.bone.2024.117075] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/12/2024] [Revised: 03/14/2024] [Accepted: 03/15/2024] [Indexed: 03/22/2024]
Abstract
Hydroxyapatite [HA, Ca10(PO4)6(OH)2], with its robust biocompatibility and bioactivity, has found extensive utility in bone grafting, replacement therapies, and supplemental medical materials. HA is highly regarded for its osteoconductive properties because it boasts hydrophilicity, nontoxicity, non-allergenicity, and non-mutagenicity. Nevertheless, HA's intrinsic mechanical weakness has spurred efforts to enhance its properties. This enhancement is achieved through ion incorporation, with elements such as magnesium, zinc, lithium, strontium, boron, and others being integrated into the HA structure. In the domain of orthopedics, HA-based scaffolds have emerged as a solution for addressing prevalent issues like bone deformities and defects stemming from congenital anomalies, injuries, trauma, infections, or tumors. The fabrication of three-dimensional scaffolds (3D scaffolds) has enabled advancements in bone regeneration and replacement, with a focus on practical applications such as repairing calvarial, skull, and femoral defects. In vitro and in vivo assessments have substantiated the effectiveness of 3D scaffolds for bone defect repair, regeneration, and tissue engineering. Beyond bone-related applications, scaffolds demonstrate versatility in enhancing cartilage healing and serving as bioimplants. The wide array of scaffold applications underscores their ongoing potential for further development in the realm of medical science.
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Affiliation(s)
- Fendi Fendi
- Department of Physics, Hasanuddin University, Makassar 90245, Indonesia
| | - Bualkar Abdullah
- Department of Physics, Hasanuddin University, Makassar 90245, Indonesia
| | - Sri Suryani
- Department of Physics, Hasanuddin University, Makassar 90245, Indonesia
| | | | - Dahlang Tahir
- Department of Physics, Hasanuddin University, Makassar 90245, Indonesia.
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Niknafs B, Meskaraf-Asadabadi M, Hamdi K, Ghanbari E. Incorporating bioactive glass nanoparticles in silk fibroin/bacterial nanocellulose composite scaffolds improves their biological and osteogenic properties for bone tissue engineering applications. Int J Biol Macromol 2024; 266:131167. [PMID: 38547948 DOI: 10.1016/j.ijbiomac.2024.131167] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Revised: 03/15/2024] [Accepted: 03/25/2024] [Indexed: 04/05/2024]
Abstract
Blend polymers composed of natural polymers are a ubiquitous biomaterial class due to their suitable mechanical and biological characterization. In the present study, composite scaffolds based on bacterial cellulose (BC)/silk fibroin (SF) with bioactive glass nanoparticles (BGNPs) were developed to enhance osteogenesis in human adipose derived stem cells (hASCs). The scanning electron microscopy (SEM) results of BGNPs indicated a spherical morphology and size ranging from 15 to 30 nm. The presence of BC and BGNPs reduced the pore diameter of SF scaffolds to about 210 ± 10 μm and 205 ± 10 μm, respectively, while increasing their compressive strength and compressive modulus. FTIR analyses proved the presence of BGNPs, BC and SF in the scaffolds. Flow cytometry data confirmed the surface markers for hASCs. The results also showed that BC and BGNPs addition to BC/SF scaffolds decreased degradation and swelling rate. The gene expression (Runx2, alkaline phosphatase and osteocalcin) studies signified the osteogenic potential of BGNPs in BC/SF scaffolds on hASCs. Eventually, the increased cell adhesion, viability and differentiation in the BC/SF and BC/SF/BGNPs composite scaffolds drawn from MTT, SEM, Alizarin red staining and alkaline phosphatase activity confirmed that these scaffolds promise to serve as a therapeutic candidate for bone defects.
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Affiliation(s)
- Behrooz Niknafs
- Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Kobra Hamdi
- Women's Reproductive Health Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elham Ghanbari
- Department of Tissue Engineering, School of Medicine, Kermanshah University of Medical Sciences, Kermanshah, Iran.
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Agostinete RR, Werneck AO, Narciso PH, Ubago-Guisado E, Coelho-E-Silva MJ, Bielemann RM, Gobbo LA, Lynch BT, Fernandes RA, Vlachopoulos D. Resistance training presents beneficial effects on bone development of adolescents engaged in swimming but not in impact sports: ABCD Growth Study. BMC Pediatr 2024; 24:247. [PMID: 38594697 PMCID: PMC11003018 DOI: 10.1186/s12887-024-04634-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Accepted: 02/09/2024] [Indexed: 04/11/2024] Open
Abstract
BACKGROUND Sports practice during adolescence is important to enhance bone development, although it may provide different effects depending on the mechanical impact present in the sport. Besides, resistance training (RT) may also induce bone changes directly (via muscle contractions) and indirectly (via myokines). However, there have been no studies analyzing the longitudinal influence of engaging in sport with and without added mechanical load. Thus, this study aims to analyze the combined effects of sports participation and resistance training on areal bone mineral density (aBMD) accrual in adolescent athletes participating in swimming and impact sports for 12-months. METHODS This was a 12-month longitudinal study. The sample comprised 91 adolescents (21 females) aged 10 to 18 years, engaged in impact sports (basketball, tennis, track & field, baseball and gymnastics, n = 66) and non-impact sport (swimming, n = 25). The sample was divided according to resistance training participation: impact sports only (n = 45), impact sports + resistance training (n = 21), swimming-only (n = 17) and swimming + resistance training (n = 8). aBMD and soft tissues were measured using dual-energy X-ray absorptiometry. Generalized linear models analysis was used for the resistance training (RT) x type of sport interaction in predicting aBMD changes overtime, adjusting for maturation, sex and baseline aBMD. RESULTS After 12-months, all groups showed a significant increase in aBMD, except for the swimming groups (regardless of resistant training), which showed a significant loss in spine aBMD (-0.045 [-0.085 to -0.004] g/cm2 in swimming-only and - 0.047 [-0.073 to -0.021] g/cm2 in swimming + RT). In comparisons between groups, only swimming + RT group, compared with swimming-only group presented higher upper limbs aBMD (0.096 g/cm2 [0.074 to 0.118] in swimming + RT vs. 0.046 [0.032 to 0.060] g/cm2 in swimming only; p < 0.05) and whole body less head (WBLH) aBMD (0.039 [0.024 to 0.054] g/cm2 in swimming + RT vs. 0.017 [0.007 to 0.027] g/cm2 swimming-only; p < 0.05). CONCLUSION Despite the significant gain in aBMD in all groups and body sites after 12-months, except for the spine site of swimmers, the results indicate that participation in RT seems to improve aBMD accrual in swimmers at the upper limbs and WBLH.
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Affiliation(s)
- Ricardo R Agostinete
- Laboratory of Investigation in Exercise (LIVE), Department of Physical Education, Sao Paulo State University (UNESP), Presidente Prudente, Brazil
| | - André O Werneck
- Center for Epidemiological Research in Nutrition and Health, Department of Nutrition, School of Public Health, University of São Paulo (USP), São Paulo, Brazil
| | - Pedro H Narciso
- Laboratory of Investigation in Exercise (LIVE), Department of Physical Education, Sao Paulo State University (UNESP), Presidente Prudente, Brazil
| | - Esther Ubago-Guisado
- Department of Physical Education and Sports, Faculty of Sport Sciences, Sport and Health University Research Institute (iMUDS), University of Granada, Granada, Spain
| | | | - Renata M Bielemann
- Post-Graduate Program in Nutrition and Foods, Federal University of Pelotas, Pelotas, Brazil
- Post-Graduate Program in Epidemiology, Federal University of Pelotas, Pelotas, Brazil
| | - Luis Alberto Gobbo
- Skeletal Muscle Assessment Laboratory (LABSIM), Department of Physical Education, School of Technology and Sciences, São Paulo State University (UNESP), Presidente Prudente, Brazil
| | - Bruna Turi Lynch
- Department of Physical Education and Exercise Science, Lander University, Greenwood, SC, USA
| | - Romulo Araújo Fernandes
- Laboratory of Investigation in Exercise (LIVE), Department of Physical Education, Sao Paulo State University (UNESP), Presidente Prudente, Brazil
| | - Dimitris Vlachopoulos
- Children's Health and Exercise Research Centre, Public Health and Sport Sciences, University of Exeter, Exeter, UK.
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Hia EM, Jang SR, Maharjan B, Park J, Park CH. Cu-MSNs and ZnO nanoparticles incorporated poly(ethylene glycol) diacrylate/sodium alginate double network hydrogel for simultaneous enhancement of osteogenic differentiation. Colloids Surf B Biointerfaces 2024; 236:113804. [PMID: 38428209 DOI: 10.1016/j.colsurfb.2024.113804] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2023] [Revised: 01/19/2024] [Accepted: 02/15/2024] [Indexed: 03/03/2024]
Abstract
In this study, a double network (DN) hydrogel was synthesized using poly(ethylene glycol) diacrylate (PEGDA) and sodium alginate (SA), incorporating copper-doped mesoporous silica nanospheres (Cu-MSNs) and zinc oxide nanoparticles (ZnO NPs). The blending of PEGDA and SA (PS) facilitates the double network and improves the less porous microstructure of pure PEGDA hydrogel. Furthermore, the incorporation of ZnO NPs and Cu-MSNs into the hydrogel network (PS@ZnO/Cu-MSNs) improved the mechanical properties of the hydrogel (Compressive strength = ⁓153 kPa and Young's modulus = ⁓ 1.66 kPa) when compared to PS hydrogel alone (Compressive strength = ⁓ 103 kPa and Young's modulus = ⁓ 0.95 kPa). In addition, the PS@ZnO/Cu-MSNs composite hydrogel showed antibacterial activities against Staphylococcus aureus and Escherichia coli. Importantly, the PS@ZnO/Cu-MSNs hydrogel demonstrated excellent biocompatibility, enhanced MC3T3-E1 cell adhesion, proliferation, and significant early-stage osteoblastic differentiation, as evidenced by increased alkaline phosphatase (ALP), and improved calcium mineralization, as evidenced by increased alizarin red staining (ARS) activities. These findings point to the possible use of the PS@ZnO/Cu-MSNs composite hydrogel in bone tissue regeneration.
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Affiliation(s)
- Esensil Man Hia
- Department of Bionanosystem Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, the Republic of Korea; Department of Bionanotechnology and Bioconvergence Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, the Republic of Korea
| | - Se Rim Jang
- Division of Mechanical Design Engineering, Jeonbuk National University, Jeonju 561-756, the Republic of Korea
| | - Bikendra Maharjan
- Department of Bionanosystem Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, the Republic of Korea
| | - Jeesoo Park
- Department of Bionanotechnology and Bioconvergence Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, the Republic of Korea
| | - Chan Hee Park
- Department of Bionanosystem Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, the Republic of Korea; Department of Bionanotechnology and Bioconvergence Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, the Republic of Korea; Division of Mechanical Design Engineering, Jeonbuk National University, Jeonju 561-756, the Republic of Korea.
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Hia EM, Jang SR, Maharjan B, Park J, Park CH, Kim CS. Construction of a PEGDA/chitosan hydrogel incorporating mineralized copper-doped mesoporous silica nanospheres for accelerated bone regeneration. Int J Biol Macromol 2024; 262:130218. [PMID: 38367780 DOI: 10.1016/j.ijbiomac.2024.130218] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Revised: 02/01/2024] [Accepted: 02/06/2024] [Indexed: 02/19/2024]
Abstract
Hydrogels, integrating diverse biocompatible materials, have emerged as promising candidates for bone repair applications. This study presents a double network hydrogel designed for bone tissue engineering, combining poly(ethylene glycol) diacrylate (PEGDA) and chitosan (CS) crosslinked through UV polymerization and ionic crosslinking. Concurrently, copper-doped mesoporous silica nanospheres (Cu-MSNs) were synthesized using a one-pot method. Cu-MSNs underwent additional modification through in-situ biomineralization, resulting in the formation of an apatite layer. Polydopamine was employed to facilitate the deposition of Calcium (Ca) and Phosphate (P) ions on the surface of Cu-MSNs (Cu-MSNs/PDA@CaP). Composite hydrogels were created by integrating varied concentrations of Cu-MSNs/PDA@CaP (25, 50, 100, 150, 200 μg/mL). Characterization unveiled distinctive interconnected porous structures within the composite hydrogel, showcasing a notable 169.6 % enhancement in compressive stress (elevating from 89.01 to 240.19 kPa) compared to pure PEGDA. In vitro biocompatibility experiments illustrated that the composite hydrogel maintained elevated cell viability (up to 106.6 %) and facilitated rapid cell proliferation over 7 days. The hydrogel demonstrated a substantial 57.58 % rise in ALP expression and a surprising 235.27 % increase in ARS staining. Moreover, it significantly enhanced the expression of crucial osteogenic genes, such as run-related transcription factors 2 (RUNX2), collagen 1a1 (Col1a1), and secreted phosphoprotein 1 (Spp1), establishing it as a promising scaffold for bone regeneration. This study shows how Cu-MSNs/PDA@CaP were successfully integrated into a double network hydrogel, resulting in a composite material with good biological responses. Due to its improved characteristics, this composite hydrogel holds the potential for advancing bone regeneration procedures.
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Affiliation(s)
- Esensil Man Hia
- Department of Bionanosystem Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea; Department of Bionanotechnology and Bioconvergence Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea
| | - Se Rim Jang
- Division of Mechanical Design Engineering, Jeonbuk National University, Jeonju 561-756, Republic of Korea
| | - Bikendra Maharjan
- Department of Bionanosystem Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea
| | - Jeesoo Park
- Department of Bionanotechnology and Bioconvergence Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea
| | - Chan Hee Park
- Department of Bionanosystem Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea; Department of Bionanotechnology and Bioconvergence Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea; Division of Mechanical Design Engineering, Jeonbuk National University, Jeonju 561-756, Republic of Korea.
| | - Cheol Sang Kim
- Department of Bionanosystem Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea; Department of Bionanotechnology and Bioconvergence Engineering, Graduate School, Jeonbuk National University, Jeonju 561-756, Republic of Korea; Division of Mechanical Design Engineering, Jeonbuk National University, Jeonju 561-756, Republic of Korea.
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Ebrahimzadeh MH, Nakhaei M, Gharib A, Mirbagheri MS, Moradi A, Jirofti N. Investigation of background, novelty and recent advance of iron (II,III) oxide- loaded on 3D polymer based scaffolds as regenerative implant for bone tissue engineering: A review. Int J Biol Macromol 2024; 259:128959. [PMID: 38145693 DOI: 10.1016/j.ijbiomac.2023.128959] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2023] [Revised: 12/08/2023] [Accepted: 12/20/2023] [Indexed: 12/27/2023]
Abstract
Bone tissue engineering had crucial role in the bone defects regeneration, particularly when allograft and autograft procedures have limitations. In this regard, different types of scaffolds are used in tissue regeneration as fundamental tools. In recent years, magnetic scaffolds show promising applications in different biomedical applications (in vitro and in vivo). As superparamagnetic materials are widely considered to be among the most attractive biomaterials in tissue engineering, due to long-range stability and superior bioactivity, therefore, magnetic implants shows angiogenesis, osteoconduction, and osteoinduction features when they are combined with biomaterials. Furthermore, these scaffolds can be coupled with a magnetic field to enhance their regenerative potential. In addition, magnetic scaffolds can be composed of various combinations of magnetic biomaterials and polymers using different methods to improve the magnetic, biocompatibility, thermal, and mechanical properties of the scaffolds. This review article aims to explain the use of magnetic biomaterials such as iron (II,III) oxide (Fe2O3 and Fe3O4) in detail. So it will cover the research background of magnetic scaffolds, the novelty of using these magnetic implants in tissue engineering, and provides a future perspective on regenerative implants.
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Affiliation(s)
- Mohammad Hossein Ebrahimzadeh
- Orthopedic Research Center, Department of Orthopedic Surgery, Mashhad University of Medical Science, Mashhad, Iran; Bone and Joint Research Laboratory, Ghaem Hospital, Mashhad University of Medical Science, P.O.Box 91388-13944, Mashhad, Iran.
| | - Mehrnoush Nakhaei
- Orthopedic Research Center, Department of Orthopedic Surgery, Mashhad University of Medical Science, Mashhad, Iran; Bone and Joint Research Laboratory, Ghaem Hospital, Mashhad University of Medical Science, P.O.Box 91388-13944, Mashhad, Iran
| | - Azar Gharib
- Orthopedic Research Center, Department of Orthopedic Surgery, Mashhad University of Medical Science, Mashhad, Iran; Bone and Joint Research Laboratory, Ghaem Hospital, Mashhad University of Medical Science, P.O.Box 91388-13944, Mashhad, Iran
| | - Mahnaz Sadat Mirbagheri
- Orthopedic Research Center, Department of Orthopedic Surgery, Mashhad University of Medical Science, Mashhad, Iran; Bone and Joint Research Laboratory, Ghaem Hospital, Mashhad University of Medical Science, P.O.Box 91388-13944, Mashhad, Iran
| | - Ali Moradi
- Orthopedic Research Center, Department of Orthopedic Surgery, Mashhad University of Medical Science, Mashhad, Iran; Bone and Joint Research Laboratory, Ghaem Hospital, Mashhad University of Medical Science, P.O.Box 91388-13944, Mashhad, Iran.
| | - Nafiseh Jirofti
- Orthopedic Research Center, Department of Orthopedic Surgery, Mashhad University of Medical Science, Mashhad, Iran; Bone and Joint Research Laboratory, Ghaem Hospital, Mashhad University of Medical Science, P.O.Box 91388-13944, Mashhad, Iran.
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Furtado GS, Martin V, Araújo R, Gomes PS, Lago ADN. Osteoinductive activity of photobiomodulation in an organotypic bone model. Photodiagnosis Photodyn Ther 2024; 45:103936. [PMID: 38104705 DOI: 10.1016/j.pdpdt.2023.103936] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/03/2023] [Revised: 12/08/2023] [Accepted: 12/12/2023] [Indexed: 12/19/2023]
Abstract
Photobiomodulation (PBM) is a technique that harnesses non-ionizing light at specific wavelengths, triggering the modulation of metabolic pathways, engendering favourable biological outcomes that reduce inflammation and foster enhanced tissue healing and regeneration. PBM holds significant promise for bone tissue applications due to its non-invasive nature and ability to stimulate cellular activity and vascularization within the healing framework. Notwithstanding, the impact of PBM on bone functionality remains largely undisclosed, particularly in the absence of influencing factors such as pathologies or regenerative therapies. This study aims to investigate the potential effects of PBM using red (660 nm) (RED) and near-infrared (808 nm) (NIR) wavelengths within an ex vivo bone culture system - the organotypic embryonic chicken femur model. A continuous irradiation mode was used, administering a total energy dose of 1.0 J, at an intensity of 100 mW for 10 s, which was repeated four times over the course of the 11-day culture period. The primary focus is on characterizing the expression of pivotal osteoblastic genes, the maturation and deposition of collagen, and the formation of bone mineral. Exposing femora to both RED and NIR wavelengths led to a notable increase in the expression of osteochondrogenic transcription factors (i.e., SOX9 and RUNX2), correlating with enhanced mineralization. Notably, NIR irradiation further elevated the expression of bone matrix-related genes and fostered enhanced deposition and maturation of fibrillar collagen. This study demonstrates that PBM has the potential to enhance osteogenic functionality within a translational organotypic bone culture system, with the NIR wavelength showing remarkable capabilities in augmenting the formation and maturation of the collagenous matrix.
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Affiliation(s)
- Guilherme Silva Furtado
- Graduate Student in the Postgraduate Program in Dentistry at the Federal University of Maranhão, Av. dos Portugueses, 1966, Bacanga, São Luís 65080-805, Brazil
| | - Victor Martin
- DDS, MSc and Graduate student at Laboratory for Bone Metabolism and Regeneration, Faculty of Dental Medicine, University of Porto, Rua Dr. Manuel Pereira da Silva, Porto 4200-393, Portugal; REQUIMTE/LAQV, University of Porto, Praça Coronel Pacheco, 15, Porto 4050-453, Portugal
| | - Rita Araújo
- DDS, MSc and Graduate student at Laboratory for Bone Metabolism and Regeneration, Faculty of Dental Medicine, University of Porto, Rua Dr. Manuel Pereira da Silva, Porto 4200-393, Portugal; REQUIMTE/LAQV, University of Porto, Praça Coronel Pacheco, 15, Porto 4050-453, Portugal
| | - Pedro Sousa Gomes
- REQUIMTE/LAQV, University of Porto, Praça Coronel Pacheco, 15, Porto 4050-453, Portugal; DDS, MSc, PhD Full Professor at Laboratory for Bone Metabolism and Regeneration, Faculty of Dental Medicine, University of Porto, Porto, Portugal.
| | - Andréa Dias Neves Lago
- DDS, MSc, PhD, Associate Professor of the Postgraduate Program in Dentistry at the Federal University of Maranhão, São Luís, Maranhão, Av. dos Portugueses, 1966, Bacanga, São Luís 65080-805, Brazil
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Diniz JA, Dourado ACAG, Barbirato DDS, da Silveira KG, Vasconcellos RJDH, Laureano Filho JR. Effect of simvastatin topical use on alveolar bone after tooth extraction: a scoping review. Clin Oral Investig 2024; 28:86. [PMID: 38195898 DOI: 10.1007/s00784-023-05482-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2023] [Accepted: 12/27/2023] [Indexed: 01/11/2024]
Abstract
OBJECTIVES Conducting a scoping review (SR) to assess scientific evidence for topical simvastatin's impact on alveolar bone regeneration and determine its level of support for clinical applications. MATERIALS AND METHODS This SR followed the PRISMA-ScR and OSF registries protocol; systematic searching was conducted on MEDLINE/PubMed, Cochrane, Embase, Scopus, Web of Science, and LILACS, to identify relevant articles until June 2023. Inclusion criteria covered clinical trials, case series, prospective and retrospective studies, along with in vivo investigations, involving participants of any sex and age. RESULTS Out of 1312 identified studies, 20 (9 in vivo, 11 RCTs) met inclusion criteria. RCTs focused on third molar extraction, in vivo on mandibular incisor surgery. The majority of RCTs employed a collagen sponge and a simvastatin concentration of 10mg; conversely, most in vivo studies favored polylactide-co-glycolide and a 2 mg simvastatin concentration. RCTs had 3-month follow-ups; in vivo, studies extended to 8 weeks. Seven RCTs assessed pain outcomes, simvastatin did not significantly affect pain in six studies. Among four RCTs on postoperative swelling, only two observed a significant increase in the simvastatin group. In general, positive bone formation and the absence of adverse effects directly linked to topical simvastatin were observed across the study models. CONCLUSIONS Intra-alveolar simvastatin post-tooth extraction has been to be shown to be effective and safe for preserving alveolar bone, with varied concentrations and carriers, with no significant adverse effects. CLINICAL RELEVANCE This review provides critical insights into the effects of simvastatin on alveolar bone regeneration, informing potential benefits and possible challenges associated with its post-extraction application. OSF REGISTRY PROTOCOL: osf.io/q3bnf.
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Affiliation(s)
- Jiordanne Araújo Diniz
- Division of Oral and Maxillofacial Surgery, Dental School, University of Pernambuco, Arnóbio Marques St., 310, Recife, PE, 50100-130, Brazil
| | - Ana Cláudia Amorim Gomes Dourado
- Division of Oral and Maxillofacial Surgery, Dental School, University of Pernambuco, Arnóbio Marques St., 310, Recife, PE, 50100-130, Brazil.
| | - Davi da Silva Barbirato
- Division of Oral and Maxillofacial Surgery, Dental School, University of Pernambuco, Arnóbio Marques St., 310, Recife, PE, 50100-130, Brazil
| | - Karoline Gomes da Silveira
- Division of Oral and Maxillofacial Surgery, Dental School, University of Pernambuco, Arnóbio Marques St., 310, Recife, PE, 50100-130, Brazil
| | | | - José Rodrigues Laureano Filho
- Division of Oral and Maxillofacial Surgery, Dental School, University of Pernambuco, Arnóbio Marques St., 310, Recife, PE, 50100-130, Brazil
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Abstract
Zinc is a micronutrient of key importance for human health. An increasing number of studies indicate that zinc plays a significant role in bone tissue's normal development and maintaining homeostasis. Zinc is not only a component of bone tissue but is also involved in the synthesis of the collagen matrix, mineralization, and bone turnover. It has been demonstrated that zinc can stimulate runt-related transcription factor 2 (Runx2) and promote the differentiation of osteoblasts. On the other hand, zinc has been found to inhibit osteoclast-like cell formation and to decrease bone resorption by stimulating osteoclasts' apoptosis. Moreover, zinc regulates the RANKL/RANK/OPG pathway, thereby facilitating bone remodeling. To date, not all mechanisms of Zn activity on bone tissue are well understood and documented. The review aimed to present the current state of research on the role of zinc in bone tissue, its beneficial properties, and its effects on bone regeneration. Since calcium phosphates as bone substitute materials are increasingly enriched in zinc ions, the paper included an overview of research on the potential role of such materials in bone filling and regeneration.
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Affiliation(s)
- Magda Molenda
- Department of Analytical Chemistry and Biomaterials, Faculty of Pharmacy, Medical University of Warsaw, Ul. Banacha 1, 02-097, Warsaw, Poland
| | - Joanna Kolmas
- Department of Analytical Chemistry and Biomaterials, Faculty of Pharmacy, Medical University of Warsaw, Ul. Banacha 1, 02-097, Warsaw, Poland.
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Ribeiro KHC, da Silva RBP, Roseno ACB, Barreto AJM, Bacelar ACZ, Ervolino E, Duarte MAH, Fakhouri WD, Chaves-Neto AH, Biguetti CC, Matsumoto MA. Dose-response effect of Montelukast on post-extraction dental socket repair and skeletal phenotype of mice. Odontology 2023; 111:891-903. [PMID: 36920595 DOI: 10.1007/s10266-023-00800-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2022] [Accepted: 02/27/2023] [Indexed: 03/16/2023]
Abstract
Bone metabolism and repair are directly regulated by arachidonic acid metabolites. At present, we analyzed the dose-response effects of a selective cysteinyl leukotriene receptor type-1 antagonist during bone repair after tooth extraction and on non-injured skeleton. Sixty-three 129 Sv/Ev male mice composed the groups: C-Control (saline solution); MTK2-2 mg/Kg of Montelukast (MTK) and MTK4-4 mg/Kg of MTK, daily administered by mouth throughout all experimental periods set at 7, 14, and 21 days post-operative. Dental sockets were analyzed by computed microtomography (microCT), histopathology, and immunohistochemistry. Femurs, L5 vertebra and organs were also removed for observation. Blood was collected for plasma bone and liver markers. Histopathology and microCT analysis revealed early socket repair of MTK2 and MTK4 animals, with significant increased BV/TV at days 14 and 21 compared to C. Higher plasma calcium was detected at days 7 and 21 in MTK4 in comparison to C, while phosphate was significantly increased in MTK2 in the same periods in comparison to C and MTK4. No significant differences were found regarding plasma ALP and TRAP, neither for local TRAP and Runx2 immunolabeling at the healing sockets. Organs did not present histological abnormalities. Increased AST levels have been detected in distinct groups and periods. In general, femur phenotype was improved in MTK treated animals. Collectively, MTK promoted early bone formation after tooth extraction and increased bone quality of femurs and vertebra in a time-dose-dependent manner, and should be considered as an alternative therapy when improved post-extraction socket repair or skeleton preservation is required.
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Affiliation(s)
- Kim Henderson Carmo Ribeiro
- Department of Oral Surgery and Dental Clinics, Araçatuba School of Dentistry, São Paulo State University-Unesp, Rua José Bonifácio 1192, Araçatuba, São Paulo, CEP 160188-05, Brazil
| | - Raquel Barroso Parra da Silva
- Department of Oral Surgery and Dental Clinics, Araçatuba School of Dentistry, São Paulo State University-Unesp, Rua José Bonifácio 1192, Araçatuba, São Paulo, CEP 160188-05, Brazil
| | - Ana Carolyna Becher Roseno
- Department of Basic Sciences, Araçatuba School of Dentistry, SãoPauloStateUniversity-Unesp, Rua José Bonifácio 1192, CEP 160188-05, Araçatuba, São Paulo, Brasil
| | - Ana Julia Moreno Barreto
- Department of Basic Sciences, Araçatuba School of Dentistry, SãoPauloStateUniversity-Unesp, Rua José Bonifácio 1192, CEP 160188-05, Araçatuba, São Paulo, Brasil
| | - Ana Carolina Zucon Bacelar
- Department of Oral Surgery and Dental Clinics, Araçatuba School of Dentistry, São Paulo State University-Unesp, Rua José Bonifácio 1192, Araçatuba, São Paulo, CEP 160188-05, Brazil
| | - Edilson Ervolino
- Department of Basic Sciences, Araçatuba School of Dentistry, SãoPauloStateUniversity-Unesp, Rua José Bonifácio 1192, CEP 160188-05, Araçatuba, São Paulo, Brasil
| | - Marco Antônio Húngaro Duarte
- Department of DentistryEndodontics and Dental MaterialsSchool of Dentistry, University of São Paulo, Alameda Otávio Pinheiro Brisola, 9-20, BauruBauru, São Paulo, CEP 7012-901, Brazil
| | - Walid D Fakhouri
- School of Dentistry, The University of Texas at Health Science Center at Houston (UTH), 1941 East Road, Houston, TX, 77054, USA
| | - Antonio Hernandes Chaves-Neto
- Department of Basic Sciences, Araçatuba School of Dentistry, SãoPauloStateUniversity-Unesp, Rua José Bonifácio 1192, CEP 160188-05, Araçatuba, São Paulo, Brasil
| | - Cláudia Cristina Biguetti
- School of Podiatric Medicine, The University of Texas at Rio Grande Valley (UTRGV), 2120 Treasure Hills Blvd. Harlingen, Harlingen, TX, 78550, USA
| | - Mariza Akemi Matsumoto
- Department of Basic Sciences, Araçatuba School of Dentistry, SãoPauloStateUniversity-Unesp, Rua José Bonifácio 1192, CEP 160188-05, Araçatuba, São Paulo, Brasil.
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Xiao L, Guo J, Wang H, He Q, Xu Y, Yuan L, Yi Q, Zhang Q, Wang J, Min S, Zhao M, Xin X, Chen H. Thermal damage and the prognostic evaluation of laser ablation of bone tissue-a review. Lasers Med Sci 2023; 38:205. [PMID: 37676517 DOI: 10.1007/s10103-023-03868-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2022] [Accepted: 08/28/2023] [Indexed: 09/08/2023]
Abstract
In recent years, an increasing number of scientists have focused on conducting experiments on laser ablation of bone tissue. The purpose of this study was to summarize the prognosis of tissue and the extent of thermal damage in past hard tissue ablation experiments, and review the evidence for the feasibility of laser osteotomy in surgery. An electronic search of PubMed, China National Knowledge Infrastructure (CNKI), and Web of Science (WOS) for relevant English-language articles published through June 2023 was conducted. This review includes 48 literature reports on laser ablation of hard tissues from medical and biological perspectives. It summarizes previous studies in which the ideal ablation rate, depth of ablation, and minimal damage to bone tissue and surrounding soft tissues were achieved by changing the laser type, optimizing the laser parameter settings, or adding adjuvant devices. By observing their post-operative healing and inflammatory response, this review aims to provide a better understanding of pulsed laser ablation of hard tissues. Previous studies suggest that laser osteotomy has yielded encouraging results in bone resection procedures. We believe that low or even no thermal damage can be achieved by experimentally selecting a suitable laser type, optimizing laser parameters such as pulse duration and frequency, or adding additional auxiliary cooling devices. However, the lack of clinical studies makes it difficult to conclusively determine whether laser osteotomy is superior in clinical applications.
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Affiliation(s)
- Liuyi Xiao
- Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
- Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, 610072, China
| | - Junli Guo
- Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
- Key Laboratory of Optical Engineering, Chinese Academy of Sciences, Chengdu, 610209, China
| | - Huan Wang
- Ophthalmology Department, Eastern Hospital, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, 610072, China
| | - Qianxiong He
- Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China
- Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, 610072, China
| | - Yang Xu
- Ophthalmology Department, Eastern Hospital, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, 610072, China
- Eye School, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Lu Yuan
- Ophthalmology Department, Eastern Hospital, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, 610072, China
- Eye School, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Qianya Yi
- Ophthalmology Department, Eastern Hospital, Sichuan Academy of Medical Sciences & Sichuan Provincial People's Hospital, Chengdu, 610072, China
- Eye School, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China
| | - Qian Zhang
- West China Forth University Hospital Ophthalmology Department, Chengdu, 610044, China
| | - Jin Wang
- Institute of Optics and Electronics, Chinese Academy of Sciences, Chengdu, 610209, China
- Key Laboratory of Optical Engineering, Chinese Academy of Sciences, Chengdu, 610209, China
| | - Shaokun Min
- Qianjiang Xinhua Middle School, Chongqing, 404100, China
| | - Menghan Zhao
- Pujiang County People's Hospital, Chengdu, 611630, China
| | - Xiaorong Xin
- Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
- Chinese Academy of Sciences Sichuan Translational Medicine Research Hospital, Chengdu, 610072, China.
| | - Hui Chen
- Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu, 610072, China.
- Eye School, Chengdu University of Traditional Chinese Medicine, Chengdu, 610075, China.
- Department of Ophthalmology, Shanghai General Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200080, China.
- Shanghai Key Laboratory of Ocular Fundus Diseases, Shanghai, 200080, China.
- National Clinical Research Center for Eye Diseases, Shanghai, 200080, China.
- University of Shanghai for Science and Technology, Shanghai, 200093, China.
- Chengdu Medical College, Chengdu, 610083, China.
- Key Laboratory of Sichuan Province Ophthalmopathy Prevention & Cure and Visual Function Protection, Chengdu, 610209, China.
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Biguetti CC, Lakkasetter Chandrashekar B, Simionato GB, Momesso NR, Duarte MAH, Rodrigues DC, Matsumoto MA. Influence of age and gender on alveolar bone healing post tooth extraction in 129 Sv mice: a microtomographic, histological, and biochemical characterization. Clin Oral Investig 2023; 27:4605-4616. [PMID: 37261497 DOI: 10.1007/s00784-023-05087-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2022] [Accepted: 05/22/2023] [Indexed: 06/02/2023]
Abstract
OBJECTIVES To analyze the effect of biological sex and aging on craniofacial bone features in 129 Sv mice and their influence on dental socket healing post tooth extraction. MATERIALS AND METHODS A total of 52 129 Sv mice were used, of which 28 were young (3-4 months) and 24 were aged (17-18 months), equally distributed according to biological sex. After an upper right incisor extraction, mice specimens were collected at 7, 14, and 21-days post-surgery for microtomographic (microCT) and comprehensive histological analysis. Mandible, skull bones, and maxillae at 21 days were analyzed by microCT, while blood plasma samples were collected for the detection of key bone turnover markers (P1NP and CTX-1) by enzyme-linked immunosorbent (ELISA) assay. RESULTS Aged females depicted significantly decreased mineralized bone content in alveolar sockets in comparison to young females and aged males at day 7, and aged males at day 14. Mandible RCA and Ma.AR of aged females were also significantly decreased in comparison with young females. Histological evaluation revealed that all alveolar sockets healed at 21 days with inflammation resolution and deposition of new bone. Immunohistochemistry for TRAP revealed increased area density for osteoclasts in alveolar sockets of aged females when compared to young females at 21 days. While a significant increase in CTX-1 levels was detected in blood plasma of aged females when compared to young females, P1NP levels did not significantly change between young and older females. No significant changes were observed for males. CONCLUSIONS Age and gender can significantly affect craniofacial bones of 129 Sv mice, especially maxilla and mandible in females. Considering the altered bone resorption parameters and delayed alveolar bone healing in older females, careful deliberation is necessary during development of pre-clinical models for craniofacial research. CLINICAL RELEVANCE Aging can be a contributing factor to slower bone healing in craniofacial bones. However, there are no sufficient experimental studies that have addressed this phenomenon along with biological sex taken into consideration.
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Affiliation(s)
- Claudia Cristina Biguetti
- Department of Surgery and Biomechanics, School of Podiatric Medicine, University of Texas Rio Grande Valley, Harlingen, TX, USA.
- Department of Basic Sciences, School of Dentistry of Araçatuba, São Paulo State University (UNESP), São Paulo, Araçatuba, Brazil.
| | | | - Gustavo Baroni Simionato
- Department of Basic Sciences, School of Dentistry of Araçatuba, São Paulo State University (UNESP), São Paulo, Araçatuba, Brazil
| | - Nataira Regina Momesso
- Department of Basic Sciences, School of Dentistry of Araçatuba, São Paulo State University (UNESP), São Paulo, Araçatuba, Brazil
| | - Marco Antonio Hungaro Duarte
- Department of Dental Materials and Endodontics, School of Dentistry of Bauru, University of Sao Paulo (USP), Bauru, São Paulo, Brazil
| | | | - Mariza Akemi Matsumoto
- Department of Basic Sciences, School of Dentistry of Araçatuba, São Paulo State University (UNESP), São Paulo, Araçatuba, Brazil
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Danilchenko S, Kalinkevich A, Zhovner M, Li H, Kochenko A, Danylchenko P, Wang J. X-ray diffraction studies of a partially demineralized oriented cortical bone with the controlled depth of analysis. Heliyon 2023; 9:e17809. [PMID: 37424593 PMCID: PMC10328983 DOI: 10.1016/j.heliyon.2023.e17809] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2023] [Revised: 06/27/2023] [Accepted: 06/28/2023] [Indexed: 07/11/2023] Open
Abstract
The in vitro demineralization of bone tissue is used for simulating the osteoporosis related bone loss. This way would be helpful in observations of bone apatite dissolution in microstructural level and may give significant input for understanding crystal-chemistry of bone resorption. In the case of cortical bone, demineralization occurs inhomogeneously, with the formation of a superficial demineralized layer and a transition zone with a gradient of concentration and structural characteristics perpendicular to the reaction advance front. Changes in the microstructural parameters of the bone mineral in this interface zone are of great interest for understanding the resorptive processes in the bone associated with osteoporosis. In this work, the SEM-EDX method was used to estimate the sizes of the demineralized and interface layers in the cortical bone during stepwise demineralization in HCl water solution; the general patterns of changes in the concentrations of Ca, P, and Cl in these layers were established. The calculations of the effective penetration depth of X-rays in diffraction mode for the intact and partially demineralized cortical bone were performed. It is shown that the use of CoKα radiation (instead of the usual CuKα) ensures the depth of probing within the interface zone, which allows to adequately assess the microstructural parameters (crystallite sizes and lattice microdeformations) of altered bioapatite in the zone of its interaction with an acid agent. A nonmonotonic change in the average size of crystallites and microdeformations of the apatite lattice was revealed during acid demineralization of the bone. Using asymmetric XRD geometry, the evidence was obtained that the affected mineral of the transition zone does not contain other crystalline phases except for weakly crystallized apatite. For the first time, the depth-controlled XRD analysis was applied to such a complex (surface-gradient) object as partially demineralized cortical bone. Additionally, we propose a rapid, averaging, and non-destructive method for estimating the depth of the reaction front dividing the demineralized and non-demineralized portions of the bone by XRD. The consistency of XRD and SEM-EDX data on the thickness values of the demineralized layer is shown.
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Affiliation(s)
- Sergei Danilchenko
- Institute of Applied Physics, NASU, 58 Petropavlivska St., 40000, Sumy, Ukraine
| | - Aleksei Kalinkevich
- Institute of Applied Physics, NASU, 58 Petropavlivska St., 40000, Sumy, Ukraine
| | - Mykhailo Zhovner
- Institute of Applied Physics, NASU, 58 Petropavlivska St., 40000, Sumy, Ukraine
| | - He Li
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Rd., Lanzhou, 730000, China
| | - Aleksandr Kochenko
- Institute of Applied Physics, NASU, 58 Petropavlivska St., 40000, Sumy, Ukraine
| | - Petro Danylchenko
- Institute of Physics, Faculty of Science, P.J. Šafárik University, 9, Park Angelinum, 04154, Košice, Slovak Republic
| | - Jufang Wang
- Institute of Modern Physics, Chinese Academy of Sciences, 509 Nanchang Rd., Lanzhou, 730000, China
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Gatto ML, Cerqueni G, Groppo R, Santecchia E, Tognoli E, Defanti S, Mattioli-Belmonte M, Mengucci P. Improved biomechanical behavior of 316L graded scaffolds for bone tissue regeneration produced by laser powder bed fusion. J Mech Behav Biomed Mater 2023; 144:105989. [PMID: 37369172 DOI: 10.1016/j.jmbbm.2023.105989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 06/20/2023] [Accepted: 06/22/2023] [Indexed: 06/29/2023]
Abstract
Graded lattice scaffolds based on rhombic dodecahedral (RD) elementary unit cell geometry were manufactured in 316L stainless steel (SS) by laser powder bed fusion (LPBF). Two different strategies based on varying strut thickness layer-by-layer in the building direction were adopted to obtain the graded scaffolds: a) decreasing strut size from core to edge to produce the dense-in (DI) structure and b) increasing strut size in the same direction to produce the dense-out (DO) structure. Both graded structures (DI and DO) were constructed with specular symmetry with respect to the central horizontal axis. Structural, mechanical, and biological characterizations were carried out to evaluate feasibility of designing appropriate biomechanical performances of graded scaffolds in the perspective of bone tissue regeneration. Results showed that mechanical behavior is governed by graded geometry, while printing parameters influence structural properties of the material such as density, textures, and crystallographic phases. The predominant failure mechanism in graded structures initiates in correspondence of thinner struts, due to high stress concentrations on strut junctions. Biological tests evidenced better proliferation of cells in the DO graded scaffold, which in turn exhibits mechanical properties close to cortical bone. The combined control of grading strategy, printing parameters and elementary unit cell geometry can enable implementing scaffolds with improved biomechanical performances for bone tissue regeneration.
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Affiliation(s)
- Maria Laura Gatto
- Department DIISM, Università Politecnica Delle Marche, Via Brecce Bianche 12, 60131, Ancona, Italy.
| | - Giorgia Cerqueni
- Department DISCLIMO & UdR INSTM, Università Politecnica Delle Marche, Via Tronto 10/a, Ancona, 60126, Italy
| | - Riccardo Groppo
- 3D4MEC S.r.l, Via Porrettana 48, 40037, Sasso Marconi, BO, Italy
| | - Eleonora Santecchia
- Department DIISM, Università Politecnica Delle Marche, Via Brecce Bianche 12, 60131, Ancona, Italy
| | - Emanuele Tognoli
- Department of Engineering "Enzo Ferrari", Università di Modena e Reggio Emilia, Via Vivarelli 10, 41125, Modena, Italy
| | - Silvio Defanti
- Department of Engineering "Enzo Ferrari", Università di Modena e Reggio Emilia, Via Vivarelli 10, 41125, Modena, Italy
| | - Monica Mattioli-Belmonte
- Department DISCLIMO & UdR INSTM, Università Politecnica Delle Marche, Via Tronto 10/a, Ancona, 60126, Italy
| | - Paolo Mengucci
- Department SIMAU & UdR INSTM, Università Politecnica Delle Marche, Via Brecce Bianche 12, 60131, Ancona, Italy
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Cicciù M, Pratella U, Fiorillo L, Bernardello F, Perillo F, Rapani A, Stacchi C, Lombardi T. Influence of buccal and palatal bone thickness on post-surgical marginal bone changes around implants placed in posterior maxilla: a multi-centre prospective study. BMC Oral Health 2023; 23:309. [PMID: 37217911 DOI: 10.1186/s12903-023-02991-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 04/26/2023] [Indexed: 05/24/2023] Open
Abstract
BACKGROUND Numerous clinical variables may influence early marginal bone loss (EMBL), including surgical, prosthetic and host-related factors. Among them, bone crest width plays a crucial role: an adequate peri-implant bone envelope has a protective effect against the influence of the aforementioned factors on marginal bone stability. The aim of the present study was to investigate the influence of buccal and palatal bone thickness at the time of implant placement on EMBL during the submerged healing period. METHODS Patients presenting a single edentulism in the upper premolar area and requiring implant-supported rehabilitation were enrolled following inclusion and exclusion criteria. Internal connection implants (Twinfit, Dentaurum, Ispringen, Germany) were inserted after piezoelectric implant site preparation. Mid-facial and mid-palatal thickness and height of the peri-implant bone were measured immediately after implant placement (T0) with a periodontal probe and recorded to the nearest 0.5 mm. After 3 months of submerged healing (T1), implants were uncovered and measurements were repeated with the same protocol. Kruskal-Wallis test for independent samples was used to compare bone changes from T0 to T1. Multivariate linear regression models were built to assess the influence of different variables on buccal and palatal EMBL. RESULTS Ninety patients (50 females, 40 males, mean age 42.9 ± 15.1 years), treated with the insertion of 90 implants in maxillary premolar area, were included in the final analysis. Mean buccal and palatal bone thickness at T0 were 2.42 ± 0.64 mm and 1.31 ± 0.38 mm, respectively. Mean buccal and palatal bone thickness at T1 were 1.92 ± 0.71 mm and 0.87 ± 0.49 mm, respectively. Changes in both buccal and palatal thickness from T0 to T1 resulted statistically significant (p = 0.000). Changes in vertical bone levels from T0 to T1 resulted not significant both on buccal (mean vertical resorption 0.04 ± 0.14 mm; p = 0.479) and palatal side (mean vertical resorption 0.03 ± 0.11 mm; p = 0.737). Multivariate linear regression analysis showed a significant negative correlation between vertical bone resorption and bone thickness at T0 on both buccal and palatal side. CONCLUSION The present findings suggest that a bone envelope > 2 mm on the buccal side and > 1 mm on the palatal side may effectively prevent peri-implant vertical bone resorption following surgical trauma. TRIAL REGISTRATION The present study was retrospectively recorded in a public register of clinical trials ( www. CLINICALTRIALS gov - NCT05632172) on 30/11/2022.
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Affiliation(s)
- Marco Cicciù
- School of Dentistry, Department of General Surgery and Surgical-Medical Specialties, University of Catania, Catania, 95124, Italy
| | | | - Luca Fiorillo
- School of Dentistry, Department of General Surgery and Surgical-Medical Specialties, University of Catania, Catania, 95124, Italy
- Multidisciplinary Department of Medical-Surgical and Odontostomatological Specialties, University of Campania "Luigi Vanvitelli", Naples, 80121, Italy
- School of Dentistry, Aldent University, Tirana, 1001, Albania
| | | | | | - Antonio Rapani
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, 34125, Italy.
| | - Claudio Stacchi
- Department of Medical, Surgical and Health Sciences, University of Trieste, Trieste, 34125, Italy
| | - Teresa Lombardi
- Department of Health Sciences, Magna Graecia University, Catanzaro, 88100, Italy
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Martin V, Grenho L, Fernandes MH, Gomes PS. Repurposing sarecycline for osteoinductive therapies: an in vitro and ex vivo assessment. J Bone Miner Metab 2023:10.1007/s00774-023-01428-9. [PMID: 37036531 DOI: 10.1007/s00774-023-01428-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/19/2022] [Accepted: 09/06/2022] [Indexed: 04/11/2023]
Abstract
INTRODUCTION Tetracyclines (TCs) embrace a class of broad-spectrum antibiotics with unrelated effects at sub-antimicrobial levels, including an effective anti-inflammatory activity and stimulation of osteogenesis, allowing their repurposing for different clinical applications. Recently, sarecycline (SA)-a new-generation molecule with a narrower antimicrobial spectrum-was clinically approved due to its anti-inflammatory profile and reduced adverse effects verified with prolonged use. Notwithstanding, little is known about its osteogenic potential, previously verified for early generation TCs. MATERIALS AND METHODS Accordingly, the present study is focused on the assessment of the response of human bone marrow-derived mesenchymal stromal cells (hBMSCs) to a concentration range of SA, addressing the metabolic activity, morphology and osteoblastic differentiation capability, further detailing the modulation of Wnt, Hedgehog, and Notch signaling pathways. In addition, an ex vivo organotypic bone development system was established in the presence of SA and characterized by microtomographic and histochemical analysis. RESULTS hBMSCs cultured with SA presented a significantly increased metabolic activity compared to control, with an indistinguishable cell morphology. Moreover, RUNX2 expression was upregulated 2.5-fold, and ALP expression was increased around sevenfold in the presence of SA. Further, GLI2 expression was significantly upregulated, while HEY1 and HNF1A were downregulated, substantiating Hedgehog and Notch signaling pathways' modulation. The ex vivo model developed in the presence of SA presented a significantly enhanced collagen deposition, extended migration areas of osteogenesis, and an increased bone mineral content, substantiating an increased osteogenic development. CONCLUSION Summarizing, SA is a promising candidate for drug repurposing within therapies envisaging the enhancement of bone healing/regeneration.
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Affiliation(s)
- Victor Martin
- LAQV/REQUIMTE, U. Porto, 4160-007, Porto, Portugal
- BoneLab - Laboratory for Bone Metabolism and Regeneration - Faculty of Dental Medicine, U. Porto, Rua Dr. Manuel Pereira da Silva, 4200-393, Porto, Portugal
| | - Liliana Grenho
- LAQV/REQUIMTE, U. Porto, 4160-007, Porto, Portugal
- BoneLab - Laboratory for Bone Metabolism and Regeneration - Faculty of Dental Medicine, U. Porto, Rua Dr. Manuel Pereira da Silva, 4200-393, Porto, Portugal
| | - Maria H Fernandes
- LAQV/REQUIMTE, U. Porto, 4160-007, Porto, Portugal
- BoneLab - Laboratory for Bone Metabolism and Regeneration - Faculty of Dental Medicine, U. Porto, Rua Dr. Manuel Pereira da Silva, 4200-393, Porto, Portugal
| | - Pedro S Gomes
- LAQV/REQUIMTE, U. Porto, 4160-007, Porto, Portugal.
- BoneLab - Laboratory for Bone Metabolism and Regeneration - Faculty of Dental Medicine, U. Porto, Rua Dr. Manuel Pereira da Silva, 4200-393, Porto, Portugal.
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17
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Holmes NP, Roohani I, Entezari A, Guagliardo P, Mirkhalaf M, Lu Z, Chen YS, Yang L, Dunstan CR, Zreiqat H, Cairney JM. Discovering an unknown territory using atom probe tomography: Elemental exchange at the bioceramic scaffold/ bone tissue interface. Acta Biomater 2023; 162:199-210. [PMID: 36893955 DOI: 10.1016/j.actbio.2023.02.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 02/08/2023] [Accepted: 02/28/2023] [Indexed: 03/09/2023]
Abstract
Here we report the first atom probe study to reveal the atomic-scale composition of in vivo bone formed in a bioceramic scaffold (strontium-hardystonite-gahnite) after 12-month implantation in a large bone defect in sheep tibia. The composition of the newly formed bone tissue differs to that of mature cortical bone tissue, and elements from the degrading bioceramic implant, particularly aluminium (Al), are present in both the newly formed bone and in the original mature cortical bone tissue at the perimeter of the bioceramic implant. Atom probe tomography confirmed that the trace elements are released from the bioceramic and are actively transported into the newly formed bone. NanoSIMS mapping, as a complementary technique, confirmed the distribution of the released ions from the bioceramic into the newly formed bone tissue within the scaffold. This study demonstrated the combined benefits of atom probe and nanoSIMS in assessing nanoscopic chemical composition changes at precise locations within the tissue/biomaterial interface. Such information can assist in understanding the interaction of scaffolds with surrounding tissue, hence permitting further iterative improvements to the design and performance of biomedical implants, and ultimately reducing the risk of complications or failure while increasing the rate of tissue formation. STATEMENT OF SIGNIFICANCE: The repair of critical-sized load-bearing bone defects is a challenge, and precisely engineered bioceramic scaffold implants is an emerging potential treatment strategy. However, we still do not understand the effect of the bioceramic scaffold implants on the composition of newly formed bone in vivo and surrounding existing mature bone. This article reports an innovative route to solve this problem, the combined power of atom probe tomography and nanoSIMS is used to spatially define elemental distributions across bioceramic implant sites. We determine the nanoscopic chemical composition changes at the Sr-HT Gahnite bioceramic/bone tissue interface, and importantly, provide the first report of in vivo bone tissue chemical composition formed in a bioceramic scaffold.
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Affiliation(s)
- Natalie P Holmes
- Australian Centre for Microscopy and Microanalysis, The University of Sydney, NSW 2006, Australia; School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, NSW 2006, Australia; The University of Sydney Nano Institute, Faculty of Science, University of Sydney, Sydney, NSW 2006, Australia.
| | - Iman Roohani
- Biomaterials and Tissue Engineering Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia; Australian Research Council Training Centre for Innovative Bioengineering, Sydney, NSW 2006, Australia
| | - Ali Entezari
- Biomaterials and Tissue Engineering Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia; School of Biomedical Engineering, Faculty of Engineering and Information Technology, University of Technology Sydney, NSW 2007, Australia
| | - Paul Guagliardo
- Centre for Microscopy, Characterisation and Analysis, University of Western Australia, Perth, WA 6009, Australi
| | - Mohammad Mirkhalaf
- Biomaterials and Tissue Engineering Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia; Australian Research Council Training Centre for Innovative Bioengineering, Sydney, NSW 2006, Australia; School of Mechanical, Medical and Process Engineering, Queensland University of Technology, 2 George St Brisbane, QLD 4000, Australia
| | - Zufu Lu
- Biomaterials and Tissue Engineering Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia; Australian Research Council Training Centre for Innovative Bioengineering, Sydney, NSW 2006, Australia
| | - Yi-Sheng Chen
- Australian Centre for Microscopy and Microanalysis, The University of Sydney, NSW 2006, Australia; School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, NSW 2006, Australia
| | - Limei Yang
- Australian Centre for Microscopy and Microanalysis, The University of Sydney, NSW 2006, Australia; School of Civil & Environmental Engineering, University of Technology Sydney, 81 Broadway, Ultimo, NSW 2007, Australia
| | - Colin R Dunstan
- Biomaterials and Tissue Engineering Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia; Australian Research Council Training Centre for Innovative Bioengineering, Sydney, NSW 2006, Australia
| | - Hala Zreiqat
- Biomaterials and Tissue Engineering Research Unit, School of Biomedical Engineering, The University of Sydney, NSW 2006, Australia; Australian Research Council Training Centre for Innovative Bioengineering, Sydney, NSW 2006, Australia.
| | - Julie M Cairney
- Australian Centre for Microscopy and Microanalysis, The University of Sydney, NSW 2006, Australia; School of Aerospace, Mechanical and Mechatronic Engineering, The University of Sydney, NSW 2006, Australia
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Salikhova T, Kushenova A, Akanov Z, Alkhojayev S, Nabiyev Y. The first experience of using a comprehensive detailed ultrasound examination of the foot in patients with diabetes mellitus. Foot (Edinb) 2023; 54:101981. [PMID: 36806119 DOI: 10.1016/j.foot.2023.101981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 02/15/2023] [Accepted: 02/15/2023] [Indexed: 02/23/2023]
Abstract
INTRODUCTION Assessment of amputation risk has been discussed more than once in the management of patients with diabetes. Systemic inflammatory symptoms can serve as signs of an infectious process. However, not all patients show exhibit these symptoms in a timely manner. At the same time, a decrease in pain, tactile and temperature sensitivity fails as a part of the main assessment of risk factors in diabetes mellitus. METHODS Using examination methods and comparing with clinical experience and the results of other researchers, a pilot study was carried out to diagnose structural changes in the foot in patients with diabetes. Nested examinations were carried out in several stages, on the expert class medical ultrasonographic apparatus Siemens Acuson NX3. The methods of ultrasound diagnostics in the diabetic foot can be significantly helpful when using a scale of criteria and guidelines for the examination. CONCLUSION The main diagnostic criterion for determining the risks of developing a diabetic foot condition, could be a gradual transition from the phase of compaction of hyaline cartilage to the phase of synovitis, and then to the phase of development of bone tissue necrosis related to a part of the Charcot's foot. It leads to disruption of the musculoskeletal system of the foot, and atherosclerotic plaques and stenosis of the dorsalis pedis artery and first toe, which form a deterioration in the nutrition of the soft tissues of the foot with their necrosis.
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Affiliation(s)
- Tursunay Salikhova
- Department of Surgery, Asfendiyarov Kazakh National Medical University, 94 Tole bi Str., 050012 Almaty, Republic of Kazakhstan.
| | - Aigerim Kushenova
- Department of Laboratory and Functional Diagnostics, Medical Center "Salus", 283/1 Rozybakiev Str., 050060 Almaty, Republic of Kazakhstan
| | - Zhanay Akanov
- Department of Endocrinology, Medical Clinic AAA, 31 Nurlybaev Str., 050044 Almaty, Republic of Kazakhstan
| | - Saruarbek Alkhojayev
- Department of Traumatology and Orthopedics, Asfendiyarov Kazakh National Medical University, 94 Tole bi Str., 050012 Almaty, Republic of Kazakhstan
| | - Yergali Nabiyev
- Department of Traumatology and Orthopedics, Asfendiyarov Kazakh National Medical University, 94 Tole bi Str., 050012 Almaty, Republic of Kazakhstan
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da Costa RR, Freitas RDS, da Cunha G, de Oliveira SD, Weber JBB. Antimicrobial and bone repair effects of boric acid in a rat model of dry socket (alveolar osteitis) following dental extraction. J Trace Elem Med Biol 2023; 76:127118. [PMID: 36516573 DOI: 10.1016/j.jtemb.2022.127118] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/27/2022] [Revised: 11/20/2022] [Accepted: 11/30/2022] [Indexed: 12/13/2022]
Abstract
BACKGROUND Alveolitis occurs after dental extraction without blood clot formation, leading to an inflammatory process and bacterial contamination. Boric acid (BA) demonstrates anti-inflammatory, antimicrobial, and osteogenic properties. This study aims to evaluate the possible antimicrobial effects and bone repair of BA in a rat model of alveolitis (dry socket). METHODS 33 male Wistar rats were submitted to the extraction of the upper right incisor and dry socket induction. They were first divided into two groups: dry socket (n = 17) and dry socket + 0.75 % BA (n = 16). Samples for the microbiological analysis were collected immediately after dental extraction, at the detection of clinical alveolitis, 7, and 14 days after BA application. For microCT and histological analysis, samples from euthanized rats were used in 14 and 28 days after alveolitis detection. RESULTS Higher bacterial counts were found in 4-5 days after alveolitis induction, compared to the baseline in both experimental groups, decreasing significantly after 7 and 14 days of treatment with BA (P < 0.05). The microCT evaluation displayed increased bone volume, bone volume fraction, trabecular thickness, and bone mineral density in a time-dependent manner, regardless of BA treatment. On the other hand, the number of trabeculae and total bone porosity decreased over the 28 days of the experiment in the dry-socket group and both groups, respectively (P < 0.05). Histological analysis did not differ on bone repair in both experimental groups. CONCLUSION This was the first report investigating the effects of BA in a rat model of alveolitis regarding microbiological and bone repair aspects. The BA local application decreased the total aerobic and facultative bacteria counts and does not seem to benefit the bone repair after alveolitis development. This study paves the way for more studies involving alveolitis and different BA applications.
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Affiliation(s)
- Renan R da Costa
- Pontifical Catholic University of Rio Grande do Sul, PUCRS, School of Health and Life Sciences, Post-Graduate Program in Dentistry, Porto Alegre, RS, Brazil
| | - Raquel D S Freitas
- Pontifical Catholic University of Rio Grande do Sul, PUCRS, School of Medicine, Post-Graduate Program in Medicine and Health Sciences, Porto Alegre, RS, Brazil; Nutrition Thinking® Co., Tecnopuc, Pontifícia Universidade Católica do Rio Grande do Sul, Porto Alegre, RS, Brazil
| | - Gabriela da Cunha
- Pontifical Catholic University of Rio Grande do Sul, PUCRS, School of Health and Life Sciences, Post-Graduate Program in Dentistry, Porto Alegre, RS, Brazil
| | - Sílvia D de Oliveira
- Pontifical Catholic University of Rio Grande do Sul, PUCRS, School of Health and Life Sciences, Post-Graduate Program in Dentistry, Porto Alegre, RS, Brazil
| | - João B B Weber
- Pontifical Catholic University of Rio Grande do Sul, PUCRS, School of Health and Life Sciences, Post-Graduate Program in Dentistry, Porto Alegre, RS, Brazil.
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Navas-Aparicio MDC. Benign osteoblastoma of the mandible: a case report. J Korean Assoc Oral Maxillofac Surg 2023; 49:49-52. [PMID: 36859375 PMCID: PMC9985992 DOI: 10.5125/jkaoms.2023.49.1.49] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 12/14/2021] [Accepted: 12/20/2021] [Indexed: 03/03/2023] Open
Abstract
Osteoblastoma is a rare benign neoplasm formed by osteoid tissue and well-vascularized bone that occurs mainly in children and adolescents. It appears primarily in the long bones, vertebral column, and small bones of the hands and feet, and not typically in the skull and maxillary bones. The purpose of this study is to present the case of an 8-year-old girl with a diagnosis of right mandibular osteoblastoma and a review of the relevant literature. The goals of treatment were to preserve dental occlusion, masticatory function and facial symmetry while minimizing the effects on patient body image and quality of life. Osteoblastoma, although it is benign, can be aggressive, and its treatment will depend on the timing of diagnosis, size and location. Early diagnosis is essential to avoid not only radical surgery as in the case presented, but also to help minimize the risk of possible relapse and potential malignancy of a benign osteoblastoma.
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Affiliation(s)
- María Del Carmen Navas-Aparicio
- Cleft Lip and Palate-Craniomaxillofacial Unit, Hospital Nacional de Niños Dr. Carlos Sáenz Herrera, Caja Costarricense de Seguro Social, Costa Rica.,Department of Diagnostic and Surgical Sciences, Universidad de Costa Rica, San José, Costa Rica
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21
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Skwira A, Szewczyk A, Sądej R, Prokopowicz M. Bioglass obtained via one-pot synthesis as osseointegrative drug delivery system. Int J Pharm 2023; 633:122610. [PMID: 36669580 DOI: 10.1016/j.ijpharm.2023.122610] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Revised: 01/03/2023] [Accepted: 01/11/2023] [Indexed: 01/19/2023]
Abstract
Osseointegration is a fundamental process during which implantable biomaterial integrates with host bone tissue. The surgical procedure of biomaterial implantation is highly associated with the risk of bacterial infection. Thus, the research continues for biodegradable bone void fillers which are able to stimulate the bone tissue regeneration and locally deliver the antibacterial agent. Herein, we obtained bifunctional bioglass (BG) using novel, preoptimized, rapid one-pot synthesis. Following the ISO Standards, the influence of the obtained BG on osteoblast-mediated phenomena, such as osteoconduction and osteoinduction was assessed and compared to two commercial materials: bioactive glass powder 45S and bioactive glass powder 85S. Direct-contact tests revealed osteoblast adhesion to BG particles; whereas, tests on extracts confirmed high viability of cells incubated with BG extract. Analyses of gene expression, alkaline phosphatase activity, and calcium phosphates deposition confirmed the stimulation of early and late stages of osteoblast differentiation and mineralization. Additionally, an extended evaluation of intracellular calcium fluctuations revealed a possible correlation between osteoblast calcium uptake and extracellular matrix mineralization. Moreover, proposed bioglass exhibited satisfactory doxycycline adsorption capacity and release profile. The obtained results confirmed the bifunctionality of the proposed BG and indicated its potential as osseointegrative bone drug delivery system.
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22
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Bezerra A, Freitas L, Maciel L, Fonseca H. Bone Tissue Responsiveness To Mechanical Loading-Possible Long-Term Implications of Swimming on Bone Health and Bone Development. Curr Osteoporos Rep 2022; 20:453-468. [PMID: 36401774 DOI: 10.1007/s11914-022-00758-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 09/29/2022] [Indexed: 11/21/2022]
Abstract
PURPOSE OF REVIEW To revisit the bone tissue mechanotransduction mechanisms behind the bone tissue response to mechanical loading and, within this context, explore the possible negative influence of regular swimming practice on bone health, particularly during the growth and development period. RECENT FINDINGS Bone is a dynamic tissue, responsive to mechanical loading and unloading, being these adaptative responses more intense during the growth and development period. Cross-sectional studies usually report a lower bone mass in swimmers compared to athletes engaged in weigh-bearing sports. However, studies with animal models show contradictory findings about the effect of swimming on bone health, highlighting the need for longitudinal studies. Due to its microgravity characteristics, swimming seems to impair bone mass, but mostly at the lower limbs. It is unkown if there is a causal relationship between swimming and low BMD or if other confounding factors, such as a natural selection whithin the sport, are the cause.
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Affiliation(s)
- Andréa Bezerra
- Research Centre in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sport, University of Porto (FADE/UP), 4200-450, Porto, Portugal.
- Laboratory for Integrative and Translational Research in Population Health (ITR), 4050-600, Porto, Portugal.
| | - Laura Freitas
- Research Centre in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sport, University of Porto (FADE/UP), 4200-450, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), 4050-600, Porto, Portugal
| | - Leonardo Maciel
- Research Centre in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sport, University of Porto (FADE/UP), 4200-450, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), 4050-600, Porto, Portugal
- Department of Physiotherapy, Federal University of Sergipe, Campus Lagarto, Lagarto, Brazil
| | - Hélder Fonseca
- Research Centre in Physical Activity, Health and Leisure (CIAFEL), Faculty of Sport, University of Porto (FADE/UP), 4200-450, Porto, Portugal
- Laboratory for Integrative and Translational Research in Population Health (ITR), 4050-600, Porto, Portugal
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23
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Shokri M, Dalili F, Kharaziha M, Baghaban Eslaminejad M, Ahmadi Tafti H. Strong and bioactive bioinspired biomaterials, next generation of bone adhesives. Adv Colloid Interface Sci 2022; 305:102706. [PMID: 35623113 DOI: 10.1016/j.cis.2022.102706] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2022] [Revised: 04/20/2022] [Accepted: 05/15/2022] [Indexed: 12/29/2022]
Abstract
The bone adhesive is a clinical requirement for complicated bone fractures always articulated by surgeons. Applying glue is a quick and easy way to fix broken bones. Adhesives, unlike conventional fixation methods such as wires and sutures, improve healing conditions and reduce postoperative pain by creating a complete connection at the fractured joint. Despite many efforts in the field of bone adhesives, the creation of a successful adhesive with robust adhesion and appropriate bioactivity for the treatment of bone fractures is still in its infancy. Because of the resemblance of the body's humid environment to the underwater environment, in the latest decades, researchers have pursued inspiration from nature to develop strong bioactive adhesives for bone tissue. The aim of this review article is to discuss the recent state of the art in bone adhesives with a specific focus on biomimetic adhesives, their action mechanisms, and upcoming perspective. Firstly, the adhesive biomaterials with specific affinity to bone tissue are introduced and their rational design is studied. Consequently, various types of synthetic and natural bioadhesives for bone tissue are comprehensively overviewed. Then, bioinspired-adhesives are described, highlighting relevant structures and examples of biomimetic adhesives mainly made of DOPA and the complex coacervates inspired by proteins secreted in mussel and sandcastle worms, respectively. Finally, this article overviews the challenges of the current bioadhesives and the future research for the improvement of the properties of biomimetic adhesives for use as bone adhesives.
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Affiliation(s)
- Mahshid Shokri
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran
| | - Faezeh Dalili
- School of Metallurgy & Materials Engineering, Faculty of Engineering, University of Tehran, Tehran, Iran
| | - Mahshid Kharaziha
- Department of Materials Engineering, Isfahan University of Technology, Isfahan 84156-83111, Iran.
| | - Mohamadreza Baghaban Eslaminejad
- Department of Stem Cells and Developmental Biology, Cell Sciences Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran.
| | - Hossein Ahmadi Tafti
- Tehran Heart Hospital Research Center, Tehran University of Medical Sciences, Tehran, Iran
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Fattahi R, Mohebichamkhorami F, Khani MM, Soleimani M, Hosseinzadeh S. Aspirin effect on bone remodeling and skeletal regeneration: Review article. Tissue Cell 2022; 76:101753. [PMID: 35180553 DOI: 10.1016/j.tice.2022.101753] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 01/21/2022] [Accepted: 02/06/2022] [Indexed: 12/21/2022]
Abstract
Bone tissues are one of the most complex tissues in the body that regenerate and repair themselves spontaneously under the right physiological conditions. Within the limitations of treating bone defects, mimicking tissue engineering through the recruitment of scaffolds, cell sources and growth factors, is strongly recommended. Aspirin is one of the non-steroidal anti-inflammatory drugs (NSAIDs) and has been used in clinical studies for many years due to its anti-coagulant effect. On the other hand, aspirin and other NSAIDs activate cytokines and some mediators in osteoclasts, osteoblasts and their progenitor cells in a defect area, thereby promoting bone regeneration. It also stimulates angiogenesis by increasing migration of endothelial cells and the newly developed vessels are of emergency in bone fracture repair. This review covers the role of aspirin in bone tissue engineering and also, highlights its chemical reactions, mechanisms, dosages, anti-microbial and angiogenesis activities.
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Affiliation(s)
- Roya Fattahi
- Department of Tissue engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fariba Mohebichamkhorami
- Department of Tissue engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mohammad Mehdi Khani
- Department of Tissue engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Masoud Soleimani
- Department of Tissue engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
| | - Simzar Hosseinzadeh
- Department of Tissue engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Shahid Beheshti University of Medical Sciences, Tehran, Iran; Medical Nanotechnology and Tissue Engineering Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
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25
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Araújo R, Martin V, Ferreira R, Fernandes MH, Gomes PS. A new ex vivo model of the bone tissue response to the hyperglycemic environment - The embryonic chicken femur organotypic culture in high glucose conditions. Bone 2022; 158:116355. [PMID: 35151894 DOI: 10.1016/j.bone.2022.116355] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 02/01/2022] [Accepted: 02/07/2022] [Indexed: 11/02/2022]
Abstract
Diabetes mellitus (DM) embrace a group of chronic metabolic conditions with a high morbidity, causing deleterious effects in different tissues and organs, including bone. Hyperglycemia seems to be one of the most contributing etiological factors of bone-related alterations, altering metabolic functionality and inducing morphological adaptations. Despite the established models for the assessment of bone functionality in hyperglycemic conditions, in vitro studies present a limited representativeness given the imperfect cell-cell and cell-matrix interactions, and restricted three-dimensional spatial arrangement; while in vivo studies raise ethical issues and offer limited mechanistic characterization, given the modulatory influence of many systemic factors and/or regulatory systems. Accordingly, the aim of this study is to establish and characterize an innovative ex vivo model of the bone tissue response to hyperglycemia, reaching hand of the organotypic culture of embryonic chicken femurs in high glucose conditions, showcasing the integrative responsiveness of the model regarding hyperglycemia-induced alterations. A thorough assessment of the cellular and tissue functionality was further conducted. Results show that, in high glucose conditions, femurs presented an increased cell proliferation and enhanced collagen production, despite the altered protein synthesis, substantiated by the increased carbonyl content. Gene expression analysis evidenced that high glucose levels induced the expression of pro-inflammatory and early osteogenic markers, further impairing the expression of late osteogenic markers. Furthermore, the tissue morphological organization and matrix mineralization were significantly altered by high glucose levels, as evidenced by histological, histochemical and microtomographic evaluations. Attained data is coherent with acknowledged hyperglycemia-induced bone tissue alterations, validating the models' effectiveness, and evidencing its integrative responsiveness regarding cell proliferation, gene and protein expression, and tissue morpho-functional organization. The assessed ex vivo model conjoins the capability to access both cellular and tissue outcomes in the absence of a systemic modulatory influence, outreaching the functionality of current experimental in vitro and in vivo models of the diabetic bone condition.
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Affiliation(s)
- Rita Araújo
- Laboratory for Bone Metabolism and Regeneration, Faculty of Dental Medicine, University of Porto, Porto, Portugal; REQUIMTE/LAQV, University of Porto, Porto, Portugal
| | - Victor Martin
- Laboratory for Bone Metabolism and Regeneration, Faculty of Dental Medicine, University of Porto, Porto, Portugal; REQUIMTE/LAQV, University of Porto, Porto, Portugal
| | - Rita Ferreira
- Department of Chemistry, University of Aveiro, Portugal; REQUIMTE/LAQV, University of Aveiro, Aveiro, Portugal
| | - Maria Helena Fernandes
- Laboratory for Bone Metabolism and Regeneration, Faculty of Dental Medicine, University of Porto, Porto, Portugal; REQUIMTE/LAQV, University of Porto, Porto, Portugal
| | - Pedro Sousa Gomes
- Laboratory for Bone Metabolism and Regeneration, Faculty of Dental Medicine, University of Porto, Porto, Portugal; REQUIMTE/LAQV, University of Porto, Porto, Portugal.
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26
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Esposito L, Minutolo V, Gargiulo P, Fraldi M. Symmetry breaking and effects of nutrient walkway in time-dependent bone remodeling incorporating poroelasticity. Biomech Model Mechanobiol 2022; 21:999-1020. [PMID: 35394267 PMCID: PMC9132879 DOI: 10.1007/s10237-022-01573-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Accepted: 03/07/2022] [Indexed: 12/03/2022]
Abstract
Bone is an extraordinary biological material that continuously adapts its hierarchical microstructure to respond to static and dynamic loads for offering optimal mechanical features, in terms of stiffness and toughness, across different scales, from the sub-microscopic constituents within osteons—where the cyclic activity of osteoblasts, osteoclasts, and osteocytes redesigns shape and percentage of mineral crystals and collagen fibers—up to the macroscopic level, with growth and remodeling processes that modify the architecture of both compact and porous bone districts. Despite the intrinsic complexity of the bone mechanobiology, involving coupling phenomena of micro-damage, nutrients supply driven by fluid flowing throughout hierarchical networks, and cells turnover, successful models and numerical algorithms have been presented in the literature to predict, at the macroscale, how bone remodels under mechanical stimuli, a fundamental issue in many medical applications such as optimization of femur prostheses and diagnosis of the risk fracture. Within this framework, one of the most classical strategies employed in the studies is the so-called Stanford’s law, which allows uploading the effect of the time-dependent load-induced stress stimulus into a biomechanical model to guess the bone structure evolution. In the present work, we generalize this approach by introducing the bone poroelasticity, thus incorporating in the model the role of the fluid content that, by driving nutrients and contributing to the removal of wastes of bone tissue cells, synergistically interacts with the classical stress fields to change homeostasis states, local saturation conditions, and reorients the bone density rate, in this way affecting growth and remodeling. Through two paradigmatic example applications, i.e. a cylindrical slice with internal prescribed displacements idealizing a tract of femoral diaphysis pushed out by the pressure exerted by a femur prosthesis and a bone element in a form of a bent beam, it is highlighted that the present model is capable to catch more realistically both the transition between spongy and cortical regions and the expected non-symmetrical evolution of bone tissue density in the medium–long term, unpredictable with the standard approach. A real study case of a femur is also considered at the end in order to show the effectiveness of the proposed remodeling algorithm.
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Affiliation(s)
- L Esposito
- Department Engineering, University of Campania "Luigi Vanvitelli", Aversa, Italy
| | - V Minutolo
- Department Engineering, University of Campania "Luigi Vanvitelli", Aversa, Italy
| | - P Gargiulo
- Institute for Biomedical and Neural Engineering, Reykjavík University, Reykjavík, Iceland
- Department of Science, Landspítali Hospital, Reykjavík, Iceland
| | - M Fraldi
- Department of Structures for Engineering and Architecture, University of Napoli "Federico II", Napoli, Italy.
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Ebrahimpour A, Sadighi M, Karimi A, Sabaghzadeh A, Biglari F, Chehrassan M, Azizmohammad Looha M, Jafari Kafiabadi M, Akbari ME, Nokhostin-Ansari A. Incidence of primary bone sarcomas in Iranian population (2008-2015): A national population-based study. Caspian J Intern Med 2022; 13:741-748. [PMID: 36420339 PMCID: PMC9659843 DOI: 10.22088/cjim.13.4.741] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 06/26/2021] [Revised: 11/24/2021] [Accepted: 12/29/2021] [Indexed: 01/25/2023]
Abstract
BACKGROUND Epidemiological characteristics of bone sarcomas are variant in different populations, however, there is no previous study on primary bone sarcomas among Iranian population. This study aimed to evaluate the incidence, age, sex distribution, histologic type, and location of malignant bone sarcomas, based on the Iran National Cancer Registry (INCR). METHODS This was a national population-based study using INCR data from March 20, 2008, to March 20, 2015, on patients who were diagnosed with primary bone sarcomas of the appendicular (C-code:40) and axial skeleton (C-code 41), excluding skull and face bones. Primary bone sarcomas were classified according to the International Classification of Diseases for Oncology (ICD-O-3: C40-C41). RESULTS A total of 4112 patients (59.5% males and 40.5% females) with a mean age of 36 years were included in the study. 60.38% of patients were between 10 to 44 years old. The overall age-standardized incidence rates (ASIR) was 8.23 (males=9.67 and females=6.80) per million person-years. Osteosarcoma chondrosarcoma and Ewing sarcoma were the three main histology subtypes with the ASIR of 2.36, 1.26, and 1.08 per million person-years. Long bones of the lower limb were the most affected area, with the ASIR of 3.18 (95% CI: 3.02-3.33) per million. We found an increasing trend in the incidence of bone sarcomas in Iran from 8.59 in 2007 to 11.37 per million person-year in 2015. CONCLUSION This study provided the epidemiological features of bone sarcomas, including the histological type of sarcoma, tumors' location, and patients' age and gender in the Iranian population for the first time.
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Affiliation(s)
- Adel Ebrahimpour
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran,Department of Orthopedic Surgery, Shohadaye Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mehrdad Sadighi
- Cancer Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran,Department of Orthopedic Surgery, Shohadaye Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amin Karimi
- Department of Orthopedic Surgery, Taleghani Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Amir Sabaghzadeh
- Department of Orthopedic Surgery, Shohadaye Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Farsad Biglari
- Department of Orthopedic Surgery, Shohadaye Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Mehdi Azizmohammad Looha
- Department of Biostatics, Faculty of Paramedical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Meisam Jafari Kafiabadi
- Department of Orthopedic Surgery, Shohadaye Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran,Correspondence: Meisam Jafari Kafiabadi, Department of Orthopedic Surgery, Shohadaye Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran. E-mail: , Tel: 0098 2125719, Fax: 0098 2125719
| | | | - Amin Nokhostin-Ansari
- Sports Medicine Research Center, Neuroscience Institute, Tehran University of Medical Sciences, Tehran, Iran
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28
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Hennicke NS, Saemann M, Kluess D, Bader R, Sander M. Subject specific finite element modelling of periprosthetic femoral fractures in different load cases. J Mech Behav Biomed Mater 2021; 126:105059. [PMID: 34995835 DOI: 10.1016/j.jmbbm.2021.105059] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 12/13/2021] [Accepted: 12/19/2021] [Indexed: 11/19/2022]
Abstract
Periprosthetic femoral fractures (PFF) around total hip replacements are one of the biggest challenges for orthopaedic surgeons. To understand the risk factors and formation of these fractures, the development of a reliable finite element (FE) model incorporating bone failure is essential. Due to the anisotropic and complex hierarchical structure of bone, the mechanical behaviour under large strains is difficult to predict. In this study, a state-of-the-art subject specific FE modelling technique for bone is utilised to generate and investigate PFF. A bilinear constitutive law is applied to bone tissue in subject specific FE models of five human femurs which are virtually implanted with a straight hip stem to numerically analyse PFF. The material parameters of the models are expressed as a function of bone ash density and mapped node wise to the FE mesh. In this way the subject specific, heterogeneous structure of bone is mimicked. For material mapping of the parameters, computed tomography (CT) images of the original fresh-frozen femurs are used. Periprosthetic fractures are generated by deleting elements on the basis of a critical plastic strain failure criterion. The models are analysed under physiological and clinically relevant conditions in two different load cases re-enacting stumbling and a sideways fall on the hip. The results of the analyses are quantified with experimental data from previous work. With regard to fracture pattern, stiffness and failure load the simulations of the load case stumbling delivered the most stable and accurate results. In general, mapping of material properties was found to be an appropriate way to reproduce PFF with finite element models.
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Affiliation(s)
- N S Hennicke
- Institute of Structural Mechanics, University of Rostock, Albert-Einstein-Str. 2, 18059, Rostock, Germany.
| | - M Saemann
- Biomechanics and Implant Technology Research Laboratory, Department of Orthopaedics, Rostock University Medical Center, Rostock, Germany
| | - D Kluess
- Biomechanics and Implant Technology Research Laboratory, Department of Orthopaedics, Rostock University Medical Center, Rostock, Germany
| | - R Bader
- Biomechanics and Implant Technology Research Laboratory, Department of Orthopaedics, Rostock University Medical Center, Rostock, Germany
| | - M Sander
- Institute of Structural Mechanics, University of Rostock, Albert-Einstein-Str. 2, 18059, Rostock, Germany
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Guendalina G, Stefano T, Salvatore A, Paolo B, Giorgia B, Ilaria G, Riccardo Z. Analysis of the corrosive effects of hydrochloric acid (HCl) on human bone: Preliminary microscopic study and observations for forensic purposes. Forensic Sci Int 2021; 329:111095. [PMID: 34775329 DOI: 10.1016/j.forsciint.2021.111095] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2021] [Revised: 10/29/2021] [Accepted: 11/01/2021] [Indexed: 11/25/2022]
Abstract
The destruction of a corpse in caustic acid can cause complex forensic scenarios to deal with. Furthermore, the literature on the subject is poor, having been the few studies carried out only on animal bones. We carried out an experimental analysis on human cranial, ribs, vertebrae, and femur bone fragments. These samples were sent for dissolution by hydrochloric acid (HCl) at two different concentrations in the lab: 10% and 37%. We have performed macroscopic and microscopic histological and cytological observations at set time intervals: 3, 4, 19, 24, 48, and 72 h of immersion in acids. The purpose of the study was threefold: to investigate the temporal evolution of bone dissolution, evaluate the destructive effect of the two hydrochloric acids, and establish whether or not the human pattern of histological structure could be recognized. A more significant destructive action of HCl at 37% has been observed. In the 10% acid, the bone nature of the samples was demonstrable up to 24 h of immersion, but the human pattern of histological structure was already compromised at 19 h, being lost at 24 h. Instead, in the 37% acid, the bone nature of the sample was demonstrable only within 4 h of immersion, and the human pattern of histological structure was markedly compromised within 3 h. At 19 h of immersion, neither the recognition of the bone nor its human nature was feasible. These preliminary findings and observations may be of practical use in forensic investigations of bodies found in acidic substances, for which there is no scientific evidence to refer.
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Affiliation(s)
- Gentile Guendalina
- Laboratorio di Istopatologia Forense e Microbiologia Medico Legale - Sezione di Medicina Legale e delle Assicurazioni - Dipartimento di Scienze Biomediche per la Salute - Università degli Studi di Milano, Via Luigi Mangiagalli, 37-20133 Milano, Italy.
| | - Tambuzzi Stefano
- Laboratorio di Istopatologia Forense e Microbiologia Medico Legale - Sezione di Medicina Legale e delle Assicurazioni - Dipartimento di Scienze Biomediche per la Salute - Università degli Studi di Milano, Via Luigi Mangiagalli, 37-20133 Milano, Italy
| | - Andreola Salvatore
- Laboratorio di Istopatologia Forense e Microbiologia Medico Legale - Sezione di Medicina Legale e delle Assicurazioni - Dipartimento di Scienze Biomediche per la Salute - Università degli Studi di Milano, Via Luigi Mangiagalli, 37-20133 Milano, Italy
| | - Bailo Paolo
- Laboratorio di Istopatologia Forense e Microbiologia Medico Legale - Sezione di Medicina Legale e delle Assicurazioni - Dipartimento di Scienze Biomediche per la Salute - Università degli Studi di Milano, Via Luigi Mangiagalli, 37-20133 Milano, Italy
| | - Bilato Giorgia
- Laboratorio di Istopatologia Forense e Microbiologia Medico Legale - Sezione di Medicina Legale e delle Assicurazioni - Dipartimento di Scienze Biomediche per la Salute - Università degli Studi di Milano, Via Luigi Mangiagalli, 37-20133 Milano, Italy; Dipartimento di Biotecnologie e Scienze della Vita (DBSV) Università degli Studi Insubria di Varese, Italy
| | - Gorini Ilaria
- Dipartimento di Biotecnologie e Scienze della Vita (DBSV) Università degli Studi Insubria di Varese, Italy
| | - Zoja Riccardo
- Laboratorio di Istopatologia Forense e Microbiologia Medico Legale - Sezione di Medicina Legale e delle Assicurazioni - Dipartimento di Scienze Biomediche per la Salute - Università degli Studi di Milano, Via Luigi Mangiagalli, 37-20133 Milano, Italy
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Tabatabaei F, Rasoulianboroujeni M, Yadegari A, Tajik S, Moharamzadeh K, Tayebi L. Osteo-mucosal engineered construct: In situ adhesion of hard-soft tissues. Mater Sci Eng C Mater Biol Appl 2021; 128:112255. [PMID: 34474817 DOI: 10.1016/j.msec.2021.112255] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2021] [Revised: 06/05/2021] [Accepted: 06/08/2021] [Indexed: 12/25/2022]
Abstract
OBJECTIVES The aim of this work was to combine engineered hard and soft tissue, adopting a new method for interfacial adhesion of osteo-mucosal construct. We hypothesized that the chemical procedure involved in this method not only adheres the components, but also improves the cell growth inside them. METHODS 3D-printed functionally-graded porous hard-tissue scaffolds were characterized, functionalized by aminolysis and tyrosinase, and accommodated by human osteoblast cells. Introducing amino groups through aminolysis and inducing dopaquinones by tyrosinase can take part in the Michael additions to cause the adhesion. Subsequently, fully-differentiated engineered oral mucosa was formed directly on the surface of hard tissue. Constructs were assessed in term of morphology, structure, chemical composition, histology, and cytocompatibility. Interfacial adhesion was compared to a control group prepared by using a biological glue for the attachment of the soft and hard tissues. RESULTS The data confirmed higher proliferation of osteoblast cells via aminolysis and improved osteoblast cells distribution and differentiation by incorporation of tyrosinase in collagen. There was evidence of multilayered, stratified epithelium on the osteo-mucosal model with viable fibroblasts and osteoblasts within the lamina propria and bone tissue layers. Our method of adhesion resulted in cohesive debonding within the engineered soft tissue; while in the control group, adhesive debonding and complete separation of the oral mucosa from the hard tissue was observed. Although the shear strength of the osteo-mucosal model (157.6 kDa ± 25.1) was slightly higher than that of the control group (149.4 kDa ± 23.1), there was no statistically significant difference between them (p > 0.05). However, the advantage of our in situ adhesion approach is the absence of a barrier like glue which can disrupt direct cellular communications between tissues. SIGNIFICANCE This study provides a novel method of directly combining tissue-engineered human bone with oral mucosa, which has the potential to improve cell-ingrowth and tissue integration. This engineered tissue construct, after further optimization, can be used clinically as a graft material in various oral surgeries and can also be employed as an in vitro model to investigate many aspects of oral diseases and examine dental materials and oral health care products as a replacement of in vivo models.
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Affiliation(s)
| | | | - Amir Yadegari
- Marquette University School of Dentistry, Milwaukee, WI 53233, USA
| | - Sanaz Tajik
- Marquette University School of Dentistry, Milwaukee, WI 53233, USA
| | - Keyvan Moharamzadeh
- Hamdan Bin Mohammed College of Dental Medicine (HBMCDM), Mohammed Bin Rashid University of Medicine and Health Sciences (MBRU), Dubai, United Arab Emirates; School of Clinical Dentistry, University of Sheffield, Sheffield, United Kingdom
| | - Lobat Tayebi
- Marquette University School of Dentistry, Milwaukee, WI 53233, USA.
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Li Y, Cai M, Zhang R, Wang J, Zhu H, Wang C, Min W, Chen Y, Yan L. Investigating the preventive effects of 99Tc-methylenediphosphonate on glucocorticoid-induced osteoporosis rabbit model. Curr Top Med Chem 2021; 21:2425-2433. [PMID: 34348621 DOI: 10.2174/1568026621666210804114744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2020] [Revised: 02/28/2021] [Accepted: 03/26/2021] [Indexed: 11/22/2022]
Abstract
BACKGROUND AND OBJECTIVE Osteoporosis is a worldwide healthcare challenge. Conventional medications for osteoporosis prevention are not clinically effective or associated with gastrointestinal tract adverse effects. The present study aimed to comparatively investigate the effects of technetium-99 conjugated with methylene diphosphonate (99Tc-MDP) and calcium carbonate and alendronate in prevention and treatment of osteoporosis in glucocorticoid-induced osteoporosis rabbit model through evaluating bone alkaline phosphatase (B-ALP), TRAP-5b levels and histopathological parameters. <P> Method: Forty healthy female New Zealand rabbits were randomly divided into five groups (each n=8), including control group (Control Group), osteoporosis model group (GIO Group), osteoporosis model + 99Tc-MDP group (99Tc-MDP Group), osteoporosis model + alendronate group (Alendronate Group), and osteoporosis model + calcium carbonate group (calcium carbonate Group). Animals in each group were treated with corresponding interventions for 14 weeks. The blood samples were collected at the first and 14th week, and B-ALP and TRAP-5b levels were detected by enzyme-linked immunosorbent assay (ELISA). The rabbits were anesthetized at the 14th week, and pathological cytological observation was performed on both femurs. <P> Results: Age and weights of rabbits in different groups had no statistically significant differences (P>0.05). B-ALP levels in serum of all groups except for Control Group decreased after treatment, but the differences were not statistically significant (P>0.05). TRAP-5b levels in serum of all groups increased after treatment. Specifically, differences in the GIO Group and Calcium carbonate Group were statistically significant (P<0.05), while differences in 99Tc-MDP Group and Alendronate Group were not statistically significant (P<0.05). Pathological sections revealed that Control Group presented normal bone tissue morphology. The bone tissue morphology of the 99Tc-MDP Group and Alendronate Group was similar to Control Group and GIO Group. Moreover, Calcium carbonate Group and GIO Group exhibited similar bone tissue morphology. <P> Conclusions: 99Tc-MDP has preventive effect on the glucocorticoid-induced osteoporotic rabbit model. This osteoporosis preventive effect might be attributed to the capacities of 99Tc-MDP in promoting the osteoblasts generation and inhibiting the generation and reducing the activity of osteoclasts.
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Affiliation(s)
- Ying Li
- Department of Rheumatology and Immunology, Heze Municipal Hospital, Shandong Province. China
| | - Min Cai
- Department of Rheumatology and Immunology, Heze Municipal Hospital, Shandong Province. China
| | - Ruihuan Zhang
- Department of Rheumatology and Immunology, Heze Municipal Hospital, Shandong Province. China
| | - Jun Wang
- Department of Rheumatology and Immunology, Heze Municipal Hospital, Shandong Province. China
| | - Huijing Zhu
- Department of Rheumatology and Immunology, Heze Municipal Hospital, Shandong Province. China
| | - Chunhua Wang
- Department of Rheumatology and Immunology, Heze Municipal Hospital, Shandong Province. China
| | - Weiqi Min
- Department of Rheumatology and Immunology, Heze Municipal Hospital, Shandong Province. China
| | - Yiheng Chen
- Department of Rheumatology and Immunology, Heze Municipal Hospital, Shandong Province. China
| | - Li Yan
- Department of Rheumatology and Immunology, Heze Municipal Hospital, Shandong Province. China
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Vandenbosch M, Nauta SP, Svirkova A, Poeze M, Heeren RMA, Siegel TP, Cuypers E, Marchetti-Deschmann M. Sample preparation of bone tissue for MALDI-MSI for forensic and (pre)clinical applications. Anal Bioanal Chem 2021; 413:2683-2694. [PMID: 32930817 PMCID: PMC8007508 DOI: 10.1007/s00216-020-02920-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2020] [Revised: 07/23/2020] [Accepted: 08/27/2020] [Indexed: 01/14/2023]
Abstract
In the past decades, matrix-assisted laser desorption/ionization mass spectrometry imaging (MALDI-MSI) has been applied to a broad range of biological samples, e.g., forensics and preclinical samples. The use of MALDI-MSI for the analysis of bone tissue has been limited due to the insulating properties of the material but more importantly the absence of a proper sample preparation protocol for undecalcified bone tissue. Undecalcified sections are preferred to retain sample integrity as much as possible or to study the tissue-bone bio interface in particular. Here, we optimized the sample preparation protocol of undecalcified bone samples, aimed at both targeted and untargeted applications for forensic and preclinical applications, respectively. Different concentrations of gelatin and carboxymethyl cellulose (CMC) were tested as embedding materials. The composition of 20% gelatin and 7.5% CMC showed to support the tissue best while sectioning. Bone tissue has to be sectioned with a tungsten carbide knife in a longitudinal fashion, while the sections need to be supported with double-sided tapes to maintain the morphology of the tissue. The developed sectioning method was shown to be applicable on rat and mouse as well as human bone samples. Targeted (methadone and EDDP) as well as untargeted (unknown lipids) detection was demonstrated. DHB proved to be the most suitable matrix for the detection of methadone and EDDP in positive ion mode. The limit of detection (LOD) is estimated to approximately 50 pg/spot on bone tissue. The protocol was successfully applied to detect the presence of methadone and EDDP in a dosed rat femur and a dosed human clavicle. The best matrices for the untargeted detection of unknown lipids in mouse hind legs in positive ion mode were CHCA and DHB based on the number of tissue-specific peaks and signal-to-noise ratios. The developed and optimized sample preparation method, applicable on animal and human bones, opens the door for future forensic and (pre)clinical investigations.
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Affiliation(s)
- Michiel Vandenbosch
- KU Leuven Toxicology and Pharmacology, Campus Gasthuisberg, Onderwijs en Navorsing 2, Herestraat 49, PO Box 922, 3000, Leuven, Belgium
| | - Sylvia P Nauta
- Maastricht MultiModal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, Maastricht University, Universiteitssingel 50, 6229 ER, Maastricht, Netherlands
- Department of Orthopedic Surgery and Trauma Surgery, Maastricht University Medical Center, P. Debyelaan 25, 6229 HX, Maastricht, Netherlands
| | - Anastasiya Svirkova
- Institute of Chemical Technologies and Analytics, Division of Imaging and Instrumental Analytical Chemistry, TU Wien (Vienna University of Technology), Getreidemarkt 9/164, 1060, Vienna, Austria
| | - Martijn Poeze
- Division of Trauma Surgery, Department of Surgery, Maastricht University Medical Center, P. Debyelaan 25, 6229 HX, Maastricht, Netherlands
- NUTRIM, School for Nutrition and Translational Research in Metabolism, Maastricht University, Universiteitssingel 40, 6229 ER, Maastricht, Netherlands
| | - Ron M A Heeren
- Maastricht MultiModal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, Maastricht University, Universiteitssingel 50, 6229 ER, Maastricht, Netherlands
| | - Tiffany Porta Siegel
- Maastricht MultiModal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, Maastricht University, Universiteitssingel 50, 6229 ER, Maastricht, Netherlands
| | - Eva Cuypers
- KU Leuven Toxicology and Pharmacology, Campus Gasthuisberg, Onderwijs en Navorsing 2, Herestraat 49, PO Box 922, 3000, Leuven, Belgium
- Maastricht MultiModal Molecular Imaging (M4I) Institute, Division of Imaging Mass Spectrometry, Maastricht University, Universiteitssingel 50, 6229 ER, Maastricht, Netherlands
| | - Martina Marchetti-Deschmann
- Institute of Chemical Technologies and Analytics, Division of Imaging and Instrumental Analytical Chemistry, TU Wien (Vienna University of Technology), Getreidemarkt 9/164, 1060, Vienna, Austria.
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Danilchenko S, Rogulsky Y, Kulik A, Kalinkevich A, Trofimenko Y, Kalinkevich O, Chivanov V. A Simple Method to Determine the Fractions of Labile and Mineral-Bound Microelements in Bone Tissue by Atomic Absorption Spectrometry. Biol Trace Elem Res 2021; 199:935-943. [PMID: 32535747 DOI: 10.1007/s12011-020-02234-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Accepted: 06/03/2020] [Indexed: 10/24/2022]
Abstract
In this work a simple and inexpensive method to assess the concentration ratio of the labile and mineral-bound microelements of the bone tissue was developed. The approach is based on the separation of the components of bone tissue by their selective solubility with the subsequent determination of microelements with atomic absorption spectrometry. The total concentrations of Mg, Zn, Fe, Sr, Al, Cu, and Mn and the concentrations of these elements in aqueous solutions with pH 6.5, 10, and 12 after their ultrasonically activated interaction with the powder of dried bone were determined. Two quite different bone samples were analyzed: a cortical fragment of the femur of a mature healthy cow and the spongy part of a human femoral head affected by osteoporosis. Some common and individual features of the both type of bones in regard to the total concentrations and fractional distribution of microelements are discussed. The obtained concentrations of the "soluble" fractions of microelements were critically analyzed taking into account the possible reactions leading to new insoluble phases' formation in alkaline solutions. Based on the data obtained, the ability of elements to form labile fractions in the bone tissue could be arranged in the following descending series: Mg ≥ Zn > Al > Fe > Mn > Cu > Sr.
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Affiliation(s)
| | - Yuri Rogulsky
- Institute of Applied Physics, NAS of Ukraine, Sumy, Ukraine
| | | | | | | | | | - Vadim Chivanov
- Institute of Applied Physics, NAS of Ukraine, Sumy, Ukraine
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34
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Marcián P, Borák L, Zikmund T, Horáčková L, Kaiser J, Joukal M, Wolff J. On the limits of finite element models created from (micro)CT datasets and used in studies of bone-implant-related biomechanical problems. J Mech Behav Biomed Mater 2021; 117:104393. [PMID: 33647729 DOI: 10.1016/j.jmbbm.2021.104393] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2020] [Revised: 01/12/2021] [Accepted: 02/10/2021] [Indexed: 02/06/2023]
Abstract
Patient-specific approach is gaining a wide popularity in computational simulations of biomechanical systems. Simulations (most often based on the finite element method) are to date routinely created using data from imaging devices such as computed tomography which makes the models seemingly very complex and sophisticated. However, using a computed tomography in finite element calculations does not necessarily enhance the quality or even credibility of the models as these depend on the quality of the input images. Low-resolution (medical-)CT datasets do not always offer detailed representation of trabecular bone in FE models and thus might lead to incorrect calculation of mechanical response to external loading. The effect of image resolution on mechanical simulations of bone-implant interaction has not been thoroughly studied yet. In this study, the effect of image resolution on the modeling procedure and resulting mechanical strains in bone was analyzed on the example of cranial implant. For this purpose, several finite element models of bone interacting with fixation-screws were generated using seven computed tomography datasets of a bone specimen but with different image resolutions (ranging from micro-CT resolution of 25 μm to medical-CT resolution of 1250 μm). The comparative analysis revealed that FE models created from images of low resolution (obtained from medical computed tomography) can produce biased results. There are two main reasons: 1. Medical computed tomography images do not allow generating models with complex trabecular architecture which leads to substituting of the intertrabecular pores with a fictitious mass; 2. Image gray value distribution can be distorted resulting in incorrect mechanical properties of the bone and thus in unrealistic or even completely fictitious mechanical strains. The biased results of calculated mechanical strains can lead to incorrect conclusion, especially when bone-implant interaction is investigated. The image resolution was observed not to significantly affect stresses in the fixation screw itself; however, selection of bone material representation might result in significantly different stresses in the screw.
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Affiliation(s)
- Petr Marcián
- Institute of Solid Mechanics, Mechatronics and Biomechanics, Faculty of Mechanical Engineering, Brno University of Technology, Brno, Czech Republic
| | - Libor Borák
- Institute of Solid Mechanics, Mechatronics and Biomechanics, Faculty of Mechanical Engineering, Brno University of Technology, Brno, Czech Republic.
| | - Tomáš Zikmund
- CEITEC - Central European Institute of Technology, Brno University of Technology, Czech Republic
| | - Ladislava Horáčková
- Department of Anatomy, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Jozef Kaiser
- CEITEC - Central European Institute of Technology, Brno University of Technology, Czech Republic
| | - Marek Joukal
- Department of Anatomy, Faculty of Medicine, Masaryk University, Brno, Czech Republic
| | - Jan Wolff
- Department of Oral and Maxillofacial Surgery, Division for Regenerative Orofacial Medicine, University Hospital Hamburg-Eppendorf, Hamburg, Germany; Fraunhofer Research Institution for Additive Manufacturing Technologies IAPT, Hamburg, Germany
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Abstract
This review article focuses on imaging of bone tissue to understand skeletal health with regards to bone quality. Skeletal fragility fractures are due to bone diseases such as osteoporosis which result in low bone mass and bone mineral density (BMD) leading to high risk of fragility fractures. Recent advances in imaging and analysis technologies have highly benefitted the field of biological sciences. In particular, their application in skeletal health has been of significant importance in understanding bone mechanical behavior (structure and properties) at the tissue level. While synchrotron based microCT technique has remained the gold standard for non-destructive evaluation of structure in material and biological sciences, several lab based microCT systems have been developed to provide high resolution imaging of specimens with greater access, and ease of use in laboratory settings. Lab based microCT scanners are widely used in the bone field as a standard tool to evaluate three-dimensional (3D) morphologies of bone structure at image resolutions appropriate for bone samples from small animals to bone biopsy specimens from humans. Both synchrotron and standard lab based microCT systems provide high resolution imaging ex vivo for a small sized specimen. A few X-ray based systems are also commercially available for in vivo scanning at relatively low image resolutions. Synchrotron-based CT microscopy is being used for various ultra-high-resolution image analyses using complex 3D software. However, the synchrotron-based CT technology is in high demand, allows only limited numbers of specimens, expensive, requires complex additional instrumentation, and is not easily available to researchers as it requires access to a synchrotron source which is always limited. Therefore, desktop laboratory scanners (microXCT, Zeiss/Xradia, Scanco, SkyScan. etc.), mimicking the synchrotron based CT technology or image resolution, have been developed to solve the accessibility issues. These lab based scanners have helped both material science, and the bone field to investigate bone tissue morphologies at submicron mage resolutions. Considerable progress has been made in both in vivo and ex vivo imaging towards providing high resolution images of bone tissue. Both clinical and research imaging technologies will continue to improve and help understand osteoporosis and other related skeletal issues in order to develop targeted treatments for bone fragility. This review summarizes the high resolution imaging work in bone research.
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Affiliation(s)
- M P Akhter
- Creighton University Osteoporosis Research Center, Omaha, NE, United States of America.
| | - R R Recker
- Creighton University Osteoporosis Research Center, Omaha, NE, United States of America
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Abstract
PURPOSE OF REVIEW Image-based finite element analysis (FEA) to predict and understand the biomechanical response has become an essential methodology in musculoskeletal research. An important part of such simulation models is the constitutive material model of which recent advances are summarized in this review. RECENT FINDINGS The review shows that existing models from other fields were introduced, such as cohesion zone (cortical bone) or phase-field models (trabecular bone). Some progress has been made in describing cortical bone involving physical mechanisms such as microcracks. Problems with validations at different length scales remain a problem. The improvement of recent constitutive models is partially obscured by uncertainties that affect overall predictions, such as image quality and calibration or boundary conditions. Nevertheless, in vivo CT-based FEA simulations based on a sophisticated constitutive behavior are a very valuable tool for clinical-related osteoporosis research.
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Affiliation(s)
- Dieter H Pahr
- Institute of Lightweight Design and Structural Biomechanics, TU-Wien, Vienna, Austria.
- Department of Anatomy und Biomechanics, Karl Landsteiner University of Health Sciences, Krems, Austria.
| | - Andreas G Reisinger
- Department of Anatomy und Biomechanics, Karl Landsteiner University of Health Sciences, Krems, Austria
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Oryan A, Sahvieh S. Effects of bisphosphonates on osteoporosis: Focus on zoledronate. Life Sci 2020; 264:118681. [PMID: 33129881 DOI: 10.1016/j.lfs.2020.118681] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2020] [Revised: 10/19/2020] [Accepted: 10/24/2020] [Indexed: 12/11/2022]
Abstract
Osteoporosis is a bone disease that mainly affects older people and postmenopausal women. Lack of proper treatment for this disease gives rise to many problems in patients and occasionally leads to death. Many drugs have been utilized to treat osteoporosis but the most effective one is the bisphosphonates (BPs) family. This family has several positive effects on bone tissue, including promoting bone healing, enhancing bone mineral density, reducing bone resorption, preventing pathologic fractures, suppressing bone turnover, and modulating bone remodeling. On the other hand, there have also been inconclusive reports that BPs might have a desirable or even adverse impact on osteoporotic patients. Therefore, we set out to examine the positive and negative effects of this family, with a focus on the most potent one that is zoledronate (Zol), in clinical usage. Zoledronate is an amino-BPs and nitrogen-containing drug which is the most powerful BPs on osteoporosis treatment or prevention. Many studies showed its effectiveness in the treatment of osteoporosis and bone healing. As Zol enjoys a considerable potential in treating and preventing osteoporosis, it can be used as one of the effective treatments in this field.
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Affiliation(s)
- Ahmad Oryan
- Department of Pathology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran.
| | - Sonia Sahvieh
- Department of Pathology, School of Veterinary Medicine, Shiraz University, Shiraz, Iran
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Khatri-Chhetri U, Woods JG, Walker IR, Curtis PJ. Origin identification of migratory pests (European Starling) using geochemical fingerprinting. PeerJ 2020; 8:e8962. [PMID: 32411514 PMCID: PMC7204882 DOI: 10.7717/peerj.8962] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2019] [Accepted: 03/23/2020] [Indexed: 11/20/2022] Open
Abstract
The European Starling (Sturnidae: Sturnus vulgaris L.) is an invasive bird in North America where it is an agricultural pest. In British Columbia (Canada), the starling population increases in orchards and vineyards in autumn, where they consume and damage ripening fruits. Starlings also cause damage in dairy farms and feedlots by consuming and contaminating food and spreading diseases. Damage can be partly mitigated by the use of scare devices, which can disperse flocks until they become habituated. Large-scale trapping and euthanizing before starlings move to fields and farms could be a practical means of preventing damage, but requires knowledge of natal origin. Within a small (20,831 km2), agriculturally significant portion of south-central British Columbia, the Okanagan-Similkameen region, we used 21 trace elements in bone tissue to discriminate the spatial distribution of juvenile starlings and to reveal the geographic origin of the problem birds in fall. Stepwise discriminant analysis of trace elements classified juveniles to their natal origin (minimum discrimination distance of 12 km) with 79% accuracy. In vineyards and orchards, the majority (55%) of problem birds derive from northern portions of the valley; and the remaining 45% of problem birds were a mixture of local and immigrant/unassigned birds. In contrast, problem birds in dairy farms and feedlots were largely immigrants/unassigned (89%) and 11% were local from northern region of the valley. Moreover, elemental signatures can separate starling populations in the Valley yielding a promising tool for identifying the geographic origin of these migratory birds.
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Affiliation(s)
- Upama Khatri-Chhetri
- Agriculture, Food and Nutritional Science, University of Alberta, Edmonton, Alberta, Canada
| | - John G Woods
- Biology, University of British Columbia, Kelowna, British Columbia, Canada
| | - Ian R Walker
- Biology, University of British Columbia, Kelowna, British Columbia, Canada
| | - P Jeff Curtis
- Earth, Environmental and Geographic Sciences, University of British Columbia, Kelowna, British Columbia, Canada
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Hamdaoui L, Oudadesse H, Lefeuvre B, Mahmoud A, Naifer M, Badraoui R, Ayadi F, Rebai T. Sub-chronic exposure to Kalach 360 SL, Glyphosate-based Herbicide, induced bone rarefaction in female Wistar rats. Toxicology 2020; 436:152412. [PMID: 32145347 DOI: 10.1016/j.tox.2020.152412] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2019] [Revised: 02/19/2020] [Accepted: 02/22/2020] [Indexed: 01/26/2023]
Abstract
We investigated the effects of Kalach 360 SL (KL), Glyphosate (G)-based herbicide, on bone tissue in different groups of female Wistar rats. Group 1 (n = 6) received a standard diet and served as a control, groups 2 and 3 (n = 6 each) received 0.07 ml (D1: 126 mg/Kg) and 0.175 ml (D2: 315 mg/Kg) of KL dissolved in the water for 60 days. The plasma was used to examine the metabolic balance markers (calcium, phosphorus, phosphatase alkaline (PAL), and vitamin D (vit D) and hormonal status (oestrogen and thyroid hormones). As a result, sub-chronic exposure to KL induced a perturbation of bone metabolism (calcium and phosphorus) and hormonal status disturbance. The histological and immunohistochemical study of the thyroid gland revealed a disturbance in morphological structure and thyroid cells function. Moreover, the KL disrupting eff ;ect on thyroid function was investigated by measuring changes in plasma levels of thyroid hormones. Free triiodothyronine (FT3) and thyroxine (FT4) were decreased in female rats breast-fed from rats treated with D and D2 of KL. This eff ;ect was associated with an increase in the plasma level of thyroid-stimulating hormone (TSH). Thus, that KL leads to hypothyroidism. Decrease in levels of oestrogen and thyroid dysfunction led to a disruption in the skeletal bone. The histological study and SEM in bone results allowed us to observe, in rats exposed to KL, the thinning and discontinuity of bone trabecular with a significant decrease in the number of nodes (intertrabecular links).In conclusion, KL sub-chronic exposure caused an aspect of osteoporosis.
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Affiliation(s)
- Latifa Hamdaoui
- Histology-Embryology Laboratory, Sfax Faculty of Medicine, University of Sfax, 3029 Sfax, Tunisia.
| | - Hassane Oudadesse
- University of Rennes 1, UMR CNRS 6226, Campus de Beaulieu, 35042 Rennes, France
| | - Bertrand Lefeuvre
- University of Rennes 1, UMR CNRS 6226, Campus de Beaulieu, 35042 Rennes, France
| | - Asma Mahmoud
- Laboratory of Environmental Bioprocesses, Centre of Biotechnology of Sfax, University of Sfax, P.O.Box "1177", Sfax, 3038, Tunisia
| | - Manel Naifer
- Biochemical Laboratory, CHU Habib Bourguiba Hospital, Tunisia
| | - Riadh Badraoui
- Histology-Embryology Laboratory, Sfax Faculty of Medicine, University of Sfax, 3029 Sfax, Tunisia; Department of Biology, University of Ha'il, Ha'il, KSA; Laboratory of Histo-Embryology and Cytogenetic, Medicine College of Sfax, Sfax University, 3029 Sfax, Tunisia; Laboratory of Histology - Cytology, Medicine College of Tunis, Tunis El-Manar University, 1007 La Rabta-Tunis, Tunisia
| | - Fatma Ayadi
- Biochemical Laboratory, CHU Habib Bourguiba Hospital, Tunisia
| | - Tarek Rebai
- Histology-Embryology Laboratory, Sfax Faculty of Medicine, University of Sfax, 3029 Sfax, Tunisia
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Tribst JPM, Dal Piva AMDO, Borges ALS, Rodrigues VA, Bottino MA, Kleverlaan CJ. Does the prosthesis weight matter? 3D finite element analysis of a fixed implant-supported prosthesis at different weights and implant numbers. J Adv Prosthodont 2020; 12:67-74. [PMID: 32377319 PMCID: PMC7183854 DOI: 10.4047/jap.2020.12.2.67] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 02/27/2020] [Accepted: 02/28/2020] [Indexed: 11/18/2022] Open
Abstract
PURPOSE This study evaluated the influence of prosthesis weight and number of implants on the bone tissue microstrain. MATERIALS AND METHODS Fifteen (15) fixed full-arch implant-supported prosthesis designs were created using a modeling software with different numbers of implants (4, 6, or 8) and prosthesis weights (10, 15, 20, 40, or 60 g). Each solid was imported to the computer aided engineering software and tetrahedral elements formed the mesh. The material properties were assigned to each solid with isotropic and homogeneous behavior. The friction coefficient was set as 0.3 between all the metallic interfaces, 0.65 for the cortical bone-implant interface, and 0.77 for the cancellous bone-implant interface. The standard earth gravity was defined along the Z-axis and the bone was fixed. The resulting equivalent strain was assumed as failure criteria. RESULTS The prosthesis weight was related to the bone strain. The more implants installed, the less the amount of strain generated in the bone. The most critical situation was the use of a 60 g prosthesis supported by 4 implants with the largest calculated magnitude of 39.9 mm/mm, thereby suggesting that there was no group able to induce bone remodeling simply due to the prosthesis weight. CONCLUSION Heavier prostheses under the effect of gravity force are related to more strain being generated around the implants. Installing more implants to support the prosthesis enables attenuating the effects observed in the bone. The simulated prostheses were not able to generate harmful values of peri-implant bone strain.
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Affiliation(s)
- João Paulo Mendes Tribst
- Department of Dental Materials and Prosthodontics, São Paulo State University (UNESP), Institute of Science and Technology, São José dos Campos, SP, Brazil
| | - Amanda Maria de Oliveira Dal Piva
- Department of Dental Materials and Prosthodontics, São Paulo State University (UNESP), Institute of Science and Technology, São José dos Campos, SP, Brazil
| | - Alexandre Luiz Souto Borges
- Department of Dental Materials and Prosthodontics, São Paulo State University (UNESP), Institute of Science and Technology, São José dos Campos, SP, Brazil
| | | | - Marco Antonio Bottino
- Department of Dental Materials and Prosthodontics, São Paulo State University (UNESP), Institute of Science and Technology, São José dos Campos, SP, Brazil
| | - Cornelis Johannes Kleverlaan
- Department of Dental Materials Science, Academic Centre for Dentistry Amsterdam (ACTA), The University of Amsterdam and Free University Amsterdam, Amsterdam, Netherlands
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Martelli SJR, Damian MF, Schinestsck AR, Schuch LF, Cascaes AM, Vasconcelos ACU. Imaging and histomorphometric evaluation of mandible and tibia of rats treated with bisphosphonates. Oral Maxillofac Surg 2019; 23:473-9. [PMID: 31686251 DOI: 10.1007/s10006-019-00807-9] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2019] [Accepted: 09/11/2019] [Indexed: 12/27/2022]
Abstract
OBJECTIVES To evaluate the mandible and tibia of rats treated with bisphosphonates (BPs) by imaging and histomorphometric analysis. STUDY DESIGN Thirty-four rat specimens (Rattus norvegicus, Wistar strain) were distributed into 3 groups: (1) 12 rats treated with zoledronic acid; (2) 12 rats treated with clodronate; and (3) the control group, containing 10 rats that received saline. All bones were exposed to cone beam computed tomography (CBCT). The images were analyzed to determine bone density (BD), using the software OsiriX 7.0. Histological slides were prepared from the specimens and the proportion of bone volume (BV) was quantified using the software Adobe Photoshop CC. RESULTS There was no statistically significant difference in BD either between the drug groups or between mandible and tibia. BV between BPs and control group did not show a significant difference. However, comparing the two bones, the mandibles in the control group displayed higher BV than did the tibiae in the same group. CONCLUSION According to our results, we conclude that (1) BD was not altered by bone type or by type of BP administered, and (2) treatment with zoledronic acid or clodronate did not affect BV in the mandible or tibia of test groups.
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Castoldi RC, Ozaki GAT, Garcia TA, Giometti IC, Koike TE, Camargo RCT, Dos Santos Pereira JDA, Constantino CJL, Louzada MJQ, Camargo Filho JCS, Belangero WD. Effects of muscular strength training and growth hormone (GH) supplementation on femoral bone tissue: analysis by Raman spectroscopy, dual-energy X-ray absorptiometry, and mechanical resistance. Lasers Med Sci 2019; 35:345-354. [PMID: 31201667 DOI: 10.1007/s10103-019-02821-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2018] [Accepted: 05/29/2019] [Indexed: 12/23/2022]
Abstract
The aim of the present study was to verify the effects of muscular strength training and growth hormone (GH) supplementation on femoral bone tissue by Raman spectroscopy (Raman), dual-energy X-ray absorptiometry (DXA), and mechanical resistance (F-max) analysis. A total of 40 male Wistar animals, 60 days old, were used. The animals were distributed into four groups: control (C), control with GH (GHC), muscular strength training (T), and muscular strength training with GH (GHT). Blood samples were collected for the quantification of creatine kinase (CK-MB) and the femurs were removed for analysis by Raman, DXA, and F-max. A more pronounced increase in the bone mineral components was verified in the T group, for all the variables obtained by the Raman (calcium, phosphate, amide, and collagen). In addition, for animals submitted to GH supplementation, there was a reduction in the variable bone mineral density (BMD) obtained by the DXA (p < 0.05). Finally, the animals that received GH supplementation presented a higher F-max, but without statistical significance (p > 0.05). It was concluded that animals that received GH supplementation demonstrated a decrease in BMD. In addition, T alone was able to promote increased calcium, phosphate, amide, and collagen compounds in bone tissue.
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Affiliation(s)
- Robson Chacon Castoldi
- Faculty of Medical Sciences, Universidade Estadual de Campinas- UNICAMP, Tessália Vieira de Camargo Street, 126. Neighbor: Cidade Universitária Zeferino Vaz., Campinas City, State of São Paulo, 13083-887, Brazil.
- Department of Physical Education, Universidade do Oeste Paulista - UNOESTE, Raposo Tavares Road, km 572 - Neighbor: Limoeiro, Presidente Prudente City, State of São Paulo, 19.067-175, Brazil.
- Laboratório de Análise da Plasticidade Muscular - LAPMUS, UNESP/FCT - Campus de Presidente Prudente, Rua Roberto Simonsen, 305, Bairro: Centro Educacional, Presidente Prudente, SP, 19060-900, Brazil.
| | - Guilherme Akio Tamura Ozaki
- Faculty of Medical Sciences, Universidade Estadual de Campinas- UNICAMP, Tessália Vieira de Camargo Street, 126. Neighbor: Cidade Universitária Zeferino Vaz., Campinas City, State of São Paulo, 13083-887, Brazil
| | - Thiago Alves Garcia
- Faculty of Medical Sciences, Universidade Estadual de Campinas- UNICAMP, Tessália Vieira de Camargo Street, 126. Neighbor: Cidade Universitária Zeferino Vaz., Campinas City, State of São Paulo, 13083-887, Brazil
| | - Ines Cristina Giometti
- Faculty of Veterinary Medicine, Universidade do Oeste Paulista - UNOESTE, Raposo Tavares Road, km 572 - Neighbor: Limoeiro, Presidente Prudente City, State of São Paulo, 19.067-175, Brazil
| | - Tatiana Emy Koike
- Department of Physical Therapy, Universidade Estadual Paulista "Júlio de Mesquita Filho" - UNESP, campus de Presidente Prudente. Roberto Simonsen Street, 305. Neighbor: Centro Educacional, Presidente Prudente City, State of São Paulo, 19060-900, Brazil
| | - Regina Celi Trindade Camargo
- Department of Physical Therapy, Universidade Estadual Paulista "Júlio de Mesquita Filho" - UNESP, campus de Presidente Prudente. Roberto Simonsen Street, 305. Neighbor: Centro Educacional, Presidente Prudente City, State of São Paulo, 19060-900, Brazil
| | - João Domingos Augusto Dos Santos Pereira
- Department of Physics, Chemistry, and Biology, Universidade Estadual Paulista "Júlio de Mesquita Filho" - UNESP, campus de Presidente Prudente. Roberto Simonsen Street, 305. Neighbor: Centro Educacional, Presidente Prudente City, State of São Paulo, 19060-900, Brazil
| | - Carlos José Leopoldo Constantino
- Department of Physics, Chemistry, and Biology, Universidade Estadual Paulista "Júlio de Mesquita Filho" - UNESP, campus de Presidente Prudente. Roberto Simonsen Street, 305. Neighbor: Centro Educacional, Presidente Prudente City, State of São Paulo, 19060-900, Brazil
| | - Mário Jefferson Quirino Louzada
- Department of Animal Support, Production, and Health, Universidade Estadual Paulista- UNESP, campus de Araçatuba. Clóvis Pestana Street, 793. Neighbor: Ipanema, Araçatuba City, State of São Paulo, 16050-680, Brazil
| | - José Carlos Silva Camargo Filho
- Department of Physical Therapy, Universidade Estadual Paulista "Júlio de Mesquita Filho" - UNESP, campus de Presidente Prudente. Roberto Simonsen Street, 305. Neighbor: Centro Educacional, Presidente Prudente City, State of São Paulo, 19060-900, Brazil
| | - William Dias Belangero
- Faculty of Medical Sciences, Universidade Estadual de Campinas- UNICAMP, Tessália Vieira de Camargo Street, 126. Neighbor: Cidade Universitária Zeferino Vaz., Campinas City, State of São Paulo, 13083-887, Brazil
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Moreira CDF, Carvalho SM, Florentino RM, França A, Okano BS, Rezende CMF, Mansur HS, Pereira MM. Injectable chitosan/gelatin/bioactive glass nanocomposite hydrogels for potential bone regeneration: In vitro and in vivo analyses. Int J Biol Macromol 2019; 132:811-21. [PMID: 30946907 DOI: 10.1016/j.ijbiomac.2019.03.237] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Revised: 03/19/2019] [Accepted: 03/31/2019] [Indexed: 01/14/2023]
Abstract
The present work describes in vitro and in vivo behaviors of thermosensitive composite hydrogels based on polymers/bioactive glass nanoparticles. Assays in SBF (simulated body fluid) solution showed that loss of hydrogel mass in vitro was decreased by 4.3% when bioactive glass nanoparticles (nBG) were incorporated, and confirmed the bioactivity of nBG containing hydrogels. In vitro assays demonstrated the cytocompatibility of the hydrogels with encapsulated rat bone marrow mesenchymal stem cells (BMSC). Crystal violet assays showed a 27% increase in cell viability when these cells were seeded in hydrogels containing nBG. In vivo biocompatibility was examined by injecting hydrogels into the dorsum of Swiss rats. The results indicated that the prepared hydrogels were nontoxic upon subcutaneous injection, and could be candidates for a safe in situ gel-forming system. Injection of the hydrogels into a rat tibial defect allowed preliminary evaluation of the hydrogels' regenerative potential. Micro Computed Tomography analysis suggested that more new tissue was formed in the defects treated with the hydrogels. Taken together, our data suggest that the developed injectable composite hydrogels possess properties which make them suitable candidates for use as temporary injectable matrices for bone regeneration.
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Näslund E, Lindberg LG, Lund I, Näslund-Koch L, Larsson A, Frithiof R. Measuring arterial oxygen saturation from an intraosseous photoplethysmographic signal derived from the sternum. J Clin Monit Comput 2019; 34:55-62. [PMID: 30805761 PMCID: PMC6946764 DOI: 10.1007/s10877-019-00289-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Accepted: 02/20/2019] [Indexed: 11/30/2022]
Abstract
Photoplethysmography performed on the peripheral extremities or the earlobes cannot always provide sufficiently rapid and accurate calculation of arterial oxygen saturation. The purpose of this study was to evaluate a novel photoplethysmography prototype to be fixed over the sternum. Our hypotheses were that arterial oxygen saturation can be determined from an intraosseous photoplethysmography signal from the sternum and that such monitoring detects hypoxemia faster than pulse oximetry at standard sites. Sixteen healthy male volunteers were subjected to incremental hypoxemia using different gas mixtures with decreasing oxygen content. The sternal probe was calibrated using arterial haemoglobin CO-oximetry (SaO2%). Sternal probe readings (SRHO2%) were then compared to SaO2% at various degrees of hypoxia. The time to detect hypoxemia was compared to measurements from standard finger and ear pulse oximeters. A significant association from individual regression between SRHO2% and SaO2% was found (r2 0.97), Spearman R ranged between 0.71 and 0.92 for the different inhaled gas mixtures. Limits of agreement according to Bland–Altman plots had a increased interval with decreasing arterial oxygen saturation. The sternal probe detected hypoxemia 28.7 s faster than a finger probe (95% CI 20.0-37.4 s, p < 0.001) and 6.6 s faster than an ear probe (95% CI 5.3–8.7 s, p < 0.001). In an experimental setting, arterial oxygen saturation could be determined using the photoplethysmography signal obtained from sternal blood flow after calibration with CO-oximetry. This method detected hypoxemia significantly faster than pulse oximetry performed on the finger or the ear.
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Affiliation(s)
- Erik Näslund
- Department of Surgical Sciences, Section of Anaesthesia & Intensive Care, Uppsala University, Uppsala, Sweden. .,Centre for Research & Development, Uppsala University/Region Gävleborg, Gävle, Sweden. .,Department of Anaesthesia, Gävle Hospital, 801 87, Gävle, Sweden.
| | - Lars-Göran Lindberg
- Department of Biomedical Engineering, Linköping University, Linköping, Sweden
| | - Iréne Lund
- Department of Physiology & Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | | | - Agneta Larsson
- Centre for Research & Development, Uppsala University/Region Gävleborg, Gävle, Sweden.,Department of Physiology & Pharmacology, Karolinska Institutet, Stockholm, Sweden
| | - Robert Frithiof
- Department of Surgical Sciences, Section of Anaesthesia & Intensive Care, Uppsala University, Uppsala, Sweden
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Bacha D, Sassi A, Slama SB, Nefiss M, Gharbi L, Bouraoui S, Lahmar A. [Unexpected discovery of isolated osteochondroma in the pubic symphysis]. Pan Afr Med J 2019; 32:74. [PMID: 31223365 PMCID: PMC6560973 DOI: 10.11604/pamj.2019.32.74.18076] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Accepted: 01/15/2019] [Indexed: 11/13/2022] Open
Abstract
L'ostéochondrome est la tumeur osseuse bénigne la plus fréquente. Elle touche habituellement les métaphyses des os longs, particulièrement autour du genou et de l'humérus proximal. Il touche très rarement la symphyse pubienne avec fréquemment une symptomatologie atypique. Nous rapportons le cas d'un ostéochondrome de la symphyse pubienne empiétant sur la branche osseuse ilio-pubienne chez un homme de 35 ans, de découverte fortuite. Les explorations radiologiques, l'examen macroscopique et histologique confirment le diagnostic ainsi que l'absence de signe de malignité.
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Affiliation(s)
- Dhouha Bacha
- Service d'Anatomie et de Cytologie Pathologiques, Hôpital Mongi Slim, La Marsa, Tunis, Tunisie
| | - Asma Sassi
- Service d'Anatomie et de Cytologie Pathologiques, Hôpital Mongi Slim, La Marsa, Tunis, Tunisie
| | - Sana Ben Slama
- Service d'Anatomie et de Cytologie Pathologiques, Hôpital Mongi Slim, La Marsa, Tunis, Tunisie
| | - Mouadh Nefiss
- Service de Chirurgie Viscérale et Orthopédique, Hôpital Mongi Slim, La Marsa, Tunis, Tunisie
| | - Lassad Gharbi
- Service de Chirurgie Viscérale et Orthopédique, Hôpital Mongi Slim, La Marsa, Tunis, Tunisie
| | - Saadia Bouraoui
- Service d'Anatomie et de Cytologie Pathologiques, Hôpital Mongi Slim, La Marsa, Tunis, Tunisie
| | - Ahlem Lahmar
- Service d'Anatomie et de Cytologie Pathologiques, Hôpital Mongi Slim, La Marsa, Tunis, Tunisie
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Massari L, Benazzo F, Falez F, Perugia D, Pietrogrande L, Setti S, Osti R, Vaienti E, Ruosi C, Cadossi R. Biophysical stimulation of bone and cartilage: state of the art and future perspectives. Int Orthop 2019; 43:539-551. [PMID: 30645684 PMCID: PMC6399199 DOI: 10.1007/s00264-018-4274-3] [Citation(s) in RCA: 65] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Accepted: 12/03/2018] [Indexed: 12/18/2022]
Abstract
INTRODUCTION Biophysical stimulation is a non-invasive therapy used in orthopaedic practice to increase and enhance reparative and anabolic activities of tissue. METHODS A sistematic web-based search for papers was conducted using the following titles: (1) pulsed electromagnetic field (PEMF), capacitively coupled electrical field (CCEF), low intensity pulsed ultrasound system (LIPUS) and biophysical stimulation; (2) bone cells, bone tissue, fracture, non-union, prosthesis and vertebral fracture; and (3) chondrocyte, synoviocytes, joint chondroprotection, arthroscopy and knee arthroplasty. RESULTS Pre-clinical studies have shown that the site of interaction of biophysical stimuli is the cell membrane. Its effect on bone tissue is to increase proliferation, synthesis and release of growth factors. On articular cells, it creates a strong A2A and A3 adenosine-agonist effect inducing an anti-inflammatory and chondroprotective result. In treated animals, it has been shown that the mineralisation rate of newly formed bone is almost doubled, the progression of the osteoarthritic cartilage degeneration is inhibited and quality of cartilage is preserved. Biophysical stimulation has been used in the clinical setting to promote the healing of fractures and non-unions. It has been successfully used on joint pathologies for its beneficial effect on improving function in early OA and after knee surgery to limit the inflammation of periarticular tissues. DISCUSSION The pooled result of the studies in this review revealed the efficacy of biophysical stimulation for bone healing and joint chondroprotection based on proven methodological quality. CONCLUSION The orthopaedic community has played a central role in the development and understanding of the importance of the physical stimuli. Biophysical stimulation requires care and precision in use if it is to ensure the success expected of it by physicians and patients.
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Affiliation(s)
- Leo Massari
- University of Ferrara, Via Vigne 4, 44121, Ferrara, Italy.
| | - Franco Benazzo
- IRCCS Foundation "San Matteo" Hospital, University of Pavia, 27100, Pavia, Italy
| | | | | | | | | | | | | | - Carlo Ruosi
- Federico II University Naples, 80100, Naples, Italy
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Zhou Y, Yang Y, Liu Y, Chang H, Liu K, Zhang X, Chang Y. Irp2 Knockout Causes Osteoporosis by Inhibition of Bone Remodeling. Calcif Tissue Int 2019; 104:70-78. [PMID: 30191282 DOI: 10.1007/s00223-018-0469-2] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2018] [Accepted: 08/22/2018] [Indexed: 02/07/2023]
Abstract
It has been found that iron disorder may lead to osteoporosis. However, the mechanism has been little explored. In the present study, we try to investigate the effects of iron disorder on bone metabolism using Irp2 knockout (Irp2-/-) mice. Female Irp2-/- mice were used in this study. Bone mineral density (BMD) was measured by Micro-CT. Serum markers for bone turnover were measured by enzyme-linked immunosorbent assay. Content of iron was measured in bone and liver tissue, and Vitamin D 25-hydroxylase (CYP2R1) content was measured in liver tissue. Relative gene expression involved in iron export and uptake, and some genes involved in activities of osteoblast and osteoclast were all measured by real-time PCR and western blot. Compared to wild-type mice, Irp2-/- mice exhibited reduced BMD, bone iron deficiency, and hepatic iron overload. Serum levels of 25(OH)D3 and markers for bone formation such as bone alkaline phosphatase (Balp), bone-gla-protein (BGP), and type I collagen alpha1 chain (Col I α1) were decreased, while markers for bone resorption including cathepsin K (Ctsk) and tartrate-resistant acid phosphatase (Trap) were all significantly increased. Hepatic CYP2R1 level was decreased in Irp2-/- mice compared with wild-type control mice. Compared to wild-type C57BL6 control mice, the expression of genes involved in osteoblast activity such as Balp, BGP, and Col I α1 were all significantly decreased in bone tissue, while genes for osteoclast activity such as Ctsk and Trap were all markedly increased in Irp2-/- mice at mRNA level. Genes involved in iron storage, uptake, and exporting were also measured in bone tissue. Posttranscriptionally decreased ferritin (FTL), ferroportin 1 (FPN1), and increased transferrin receptor 1 (TfR1) gene expressions have been unexpectedly found in bone tissue of Irp2-/- mice. Irp2-/- mice exhibit reduced bone iron content and osteoporosis. Decreased circulating 25(OH)D3 levels promoted activity of osteoclast, while impaired activity of osteoblast may contribute to pathogenesis of osteoporosis. And, reduced bone iron content may not be totally caused by TfR1-dependent pathways.
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Affiliation(s)
- Yaru Zhou
- Department of Endocrinology, Third Hospital of Hebei Medical University, Shijiazhuang, China.
| | - Yu Yang
- Department of Endocrinology, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yan Liu
- Department of Endocrinology, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Hengrui Chang
- Department of Orthopaedic Surgery, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Kuanzhi Liu
- Department of Endocrinology, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Xiaojuan Zhang
- Department of Endocrinology, Third Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yanzhong Chang
- College of Life Science, Hebei Normal University, Shijiazhuang, 050051, China.
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Melguizo-Rodríguez L, Costela-Ruiz VJ, Manzano-Moreno FJ, Illescas-Montes R, Ramos-Torrecillas J, García-Martínez O, Ruiz C. Repercussion of nonsteroidal anti-inflammatory drugs on the gene expression of human osteoblasts. PeerJ 2018; 6:e5415. [PMID: 30128197 PMCID: PMC6097469 DOI: 10.7717/peerj.5415] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2018] [Accepted: 07/20/2018] [Indexed: 01/31/2023] Open
Abstract
Background Nonsteroidal anti-inflammatory drugs (NSAIDs) are frequently used in clinical practice, which can have adverse effects on the osteoblast. The objective of this study was to determine the effect of NSAIDs on the osteoblast by analyzing the gene expression of different markers related to osteoblast maturation and function when treated in vitro with different NSAIDs. Methods Three human osteoblast lines from bone samples of three healthy volunteers were treated with 10 µM acetaminophen, indomethacin, ketoprofen, diclofenac, ibuprofen, ketorolac, naproxen, and piroxicam. The gene expression of different markers (run related transcription factor 2 [RUNX-2], type 1 collagen [COL-I], osterix [OSX], osteocalcin [OSC], bone morphogenetic protein 2 [BMP-2] and 7 [BMP-7], transforming growth factor β1 [TGF-β1], and TGFβ receptors [TGFβR1, TGFβR2; TGFBR3]) were analyzed by real-time PCR at 24 h of treatment. Results Expression of RUNX-2, COL-I, OSX, was reduced by treatment with all studied NSAIDs, OSC expression was reduced by all NSAIDs except for ketoprofen, naproxen, or piroxicam. Expression of BMP-7 was reduced by all NSAIDs; BMP-2 was reduced by all except for naproxen. In general, NSAID treatment increased the expression of TGF-β1, but not of its receptors (TGFβ-R1, TGFβ-R2, andTFGβ-R3), which was either unchanged or reduced by the treatment. Conclusion These data confirm that NSAIDs can affect osteoblast physiology, suggesting their possible impact on bone.
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Affiliation(s)
- Lucia Melguizo-Rodríguez
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, Granada, Spain.,Instituto Investigación Biosanitaria, ibs.Granada, University of Granada, Granada, Spain
| | - Víctor J Costela-Ruiz
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, Granada, Spain
| | - Francisco J Manzano-Moreno
- Instituto Investigación Biosanitaria, ibs.Granada, University of Granada, Granada, Spain.,Biomedical Group (BIO277), Department of Stomatology, School of Dentistry, University of Granada, Granada, Spain
| | - Rebeca Illescas-Montes
- Instituto Investigación Biosanitaria, ibs.Granada, University of Granada, Granada, Spain.,Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, Melilla, Spain
| | - Javier Ramos-Torrecillas
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, Granada, Spain.,Instituto Investigación Biosanitaria, ibs.Granada, University of Granada, Granada, Spain
| | - Olga García-Martínez
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, Granada, Spain.,Instituto Investigación Biosanitaria, ibs.Granada, University of Granada, Granada, Spain
| | - Concepción Ruiz
- Biomedical Group (BIO277), Department of Nursing, Faculty of Health Sciences, University of Granada, Granada, Spain.,Instituto Investigación Biosanitaria, ibs.Granada, University of Granada, Granada, Spain.,Institute of Neuroscience, University of Granada, Granada, Spain
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49
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Starichenko VI. Hereditary component of variation in 90Sr deposition in inbred mice under exogenous conditions that affect bone formation. Appl Radiat Isot 2018; 140:126-132. [PMID: 30015041 DOI: 10.1016/j.apradiso.2018.07.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 05/17/2018] [Accepted: 07/05/2018] [Indexed: 11/17/2022]
Abstract
Bone-seeking radionuclides (specifically 90Sr) accumulate in the bone tissue and act as a long-term source of internal irradiation. Their behaviour in the body has been studied in detail, while the impact of inheritance has not been established. On one hand, the genetic determination of both skeletal morphology and calcium metabolism is indirect evidence that the kinetics of deposition of alkaline-earth radioisotopes in the skeleton also have a hereditary component. On the other hand, analysis of 90Sr kinetics in different inbred mouse strains did not reveal any differences between the mice. This study used a classical approach to evaluating the hereditary component of variation in quantitative traits, namely, a variant of familial analysis (the method of twin families). The growth of the skeleton is known to be accompanied by distinct changes in 90Sr accumulation. That is why the hereditary (familial) component of variation in 90Sr kinetics in the bone tissue of CBA mice was analyzed under the influences that modify growth processes Individual parameters of 90Sr accumulation differed between experimental groups by a factor of 2-4.5. At the same time, features of 90Sr accumulation proved to be characteristic of entire families. The results show that the intrafamilial correlation in 90Sr deposition in the skeleton is highly significant (R = 0.542, P ≤ 0.0001) and comparable to that of morphological parameters (R = 0.532-0.546, P ≤ 0.0001). The results confirm the existence of statistically significant intrafamilial correlations of weight and metabolic parameters, which is similarly expressed in different families, thereby providing evidence for hereditary determination of 90Sr metabolism. At the same time, the stability of 90Sr metabolism inheritance to changes in morphophysiology and environmental influences (including those close to pathogenic ones) is shown. This is evidence of its authenticity and significance. The results obtained can be extrapolated to humans instead of directly analyzing the role of hereditary factors in the metabolism of toxic compounds, which are difficult and unethical to perform in human subjects.
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Affiliation(s)
- V I Starichenko
- Institute of Plants and Animal Ecology UB RAS, Vos'mogo Marta St. 202, Yekaterinburg 620144, Russia.
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50
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Ben Kahla R, Barkaoui A, Merzouki T. Age-related mechanical strength evolution of trabecular bone under fatigue damage for both genders: Fracture risk evaluation. J Mech Behav Biomed Mater 2018; 84:64-73. [PMID: 29751273 DOI: 10.1016/j.jmbbm.2018.05.006] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2017] [Revised: 07/23/2017] [Accepted: 05/03/2018] [Indexed: 12/11/2022]
Abstract
Bone tissue is a living composite material, providing mechanical and homeostatic functions, and able to constantly adapt its microstructure to changes in long term loading. This adaptation is conducted by a physiological process, known as "bone remodeling". This latter is manifested by interactions between osteoclasts and osteoblasts, and can be influenced by many local factors, via effects on bone cell differentiation and proliferation. In the current work, age and gender effects on damage rate evolution, throughout life, have been investigated using a mechanobiological finite element modeling. To achieve the aim, a mathematical model has been developed, coupling both cell activities and mechanical behavior of trabecular bone, under cyclic loadings. A series of computational simulations (ABAQUS/UMAT) has been performed on a 3D human proximal femur, allowing to investigate the effects of mechanical and biological parameters on mechanical strength of trabecular bone, in order to evaluate the fracture risk resulting from fatigue damage. The obtained results revealed that mechanical stimulus amplitude affects bone resorption and formation rates, and indicated that age and gender are major factors in bone response to the applied loadings.
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Affiliation(s)
- Rabeb Ben Kahla
- Laboratoire de Systèmes et de Mécanique Appliquée (Lasmap-EPT), Ecole Polytechnique de Tunis, Université de Carthage, 2078 La Marsa, Tunisia
| | - Abdelwahed Barkaoui
- Laboratoire de Mécanique Appliquée et Ingénierie (LR-MAI), LR-ES19, Ecole Nationale d'Ingénieurs de Tunis, Université de Tunis El Manar, 1002 Tunis, Tunisa; Laboratoire des Energies Renouvelables et Matériaux Avancés (LERMA), Ecole Supérieure de l'Ingénierie de l'Energie,Université Internationale de Rabat, Rocade Rabat-Salé, 11100, Rabat-Sala El Jadida, Morocco.
| | - Tarek Merzouki
- Laboratoire Ingénierie des Systèmes de Versailles, Université de Versailles St Quentin en Yvelines, 10 avenue de l'Europe, 78140 Velizy, France
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