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Arias-Mainer C, Romero-Gavilán F, Cerqueira A, Peñarocha-Oltra D, Bernabeu-Mira JC, Elortza F, Azkargorta M, Gurruchaga M, Goñi I, Suay J. Combining sandblasting and pink anodisation of Ti implants as a promising method for improving fibroblast adhesion and immune response. J Mater Chem B 2024. [PMID: 39141321 DOI: 10.1039/d4tb00992d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/15/2024]
Abstract
This study examined the effect of combining the sandblasting and anodising of titanium alloys used in implants on the cell response and protein adsorption patterns. The titanium samples were divided into four groups depending on the surface treatment: machining (MC), pink anodisation (PA), sandblasting (MC04) and a combination of the last two (MC04 + PA). Their physicochemical properties were analysed by SEM/EDX, Raman, contact angle measurements and profilometry. In vitro responses were examined using human gingival fibroblastic (HGF) cells and THP-1 macrophages. Cytokine secretion, macrophage adhesion and gene expression were measured by ELISA, confocal microscopy and RT-PCR. Cell adhesion and collagen secretion were evaluated in HGF cultures. The adsorption of immune and regenerative proteins onto the surfaces was assessed employing nLC-MS/MS. MC04 + PA surfaces exhibited a change in the roughness, chemical composition and hydrophilicity of the material, showing more elongated HGF cells and a considerable increase in the area of cells exposed to the MC04 + PA surfaces. Moreover, cells cultured on MC04 + PA generally showed a reduction in the expression of proinflammatory genes (TNF-α, MCP-1, C5, NF-kB and ICAM-1) and an increase in the secretion of anti-inflammatory cytokines, such as IL-4. These results correlated with the proteomic data; we found preferential adsorption of proteins favouring cell adhesion, such as DSC1 and PCOC1. A considerable reduction in the adsorption of immunoglobulins and proteins associated with acute inflammatory response (including SAA4) was also observed. The study highlights the potential advantages of MC04 + PA surface treatment to modify dental implant abutments; it enhances their compatibility with soft tissues and reduces the inflammatory response.
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Affiliation(s)
- Carlos Arias-Mainer
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Castellon de la Plana, Spain.
| | - Francisco Romero-Gavilán
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Castellon de la Plana, Spain.
| | - Andreia Cerqueira
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Castellon de la Plana, Spain.
| | - David Peñarocha-Oltra
- Department of Stomatology, Valencia University Medical and Dental School, Valencia, Spain
| | | | - Félix Elortza
- 3Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, ProteoRed-ISCIII, Bizkaia Science and Technology Park, Derio, Spain
| | - Mikel Azkargorta
- 3Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, ProteoRed-ISCIII, Bizkaia Science and Technology Park, Derio, Spain
| | - Mariló Gurruchaga
- Department of Polymers and Advanced Materials: Physics, Chemistry and Technology, Universidad del País Vasco, San Sebastián, Spain
| | - Isabel Goñi
- Department of Polymers and Advanced Materials: Physics, Chemistry and Technology, Universidad del País Vasco, San Sebastián, Spain
| | - Julio Suay
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Castellon de la Plana, Spain.
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2
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Rodriguez-Lejarraga P, Martin-Iglesias S, Moneo-Corcuera A, Colom A, Redondo-Morata L, Giannotti MI, Petrenko V, Monleón-Guinot I, Mata M, Silvan U, Lanceros-Mendez S. The surface charge of electroactive materials governs cell behaviour through its effect on protein deposition. Acta Biomater 2024; 184:201-209. [PMID: 38950807 DOI: 10.1016/j.actbio.2024.06.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2024] [Revised: 06/13/2024] [Accepted: 06/25/2024] [Indexed: 07/03/2024]
Abstract
The precise mechanisms underlying the cellular response to static electric cues remain unclear, limiting the design and development of biomaterials that utilize this parameter to enhance specific biological behaviours. To gather information on this matter we have explored the interaction of collagen type-I, the most abundant mammalian extracellular protein, with poly(vinylidene fluoride) (PVDF), an electroactive polymer with great potential for tissue engineering applications. Our results reveal significant differences in collagen affinity, conformation, and interaction strength depending on the electric charge of the PVDF surface, which subsequently affects the behaviour of mesenchymal stem cells seeded on them. These findings highlight the importance of surface charge in the establishment of the material-protein interface and ultimately in the biological response to the material. STATEMENT OF SIGNIFICANCE: The development of new tissue engineering strategies relies heavily on the understanding of how biomaterials interact with biological tissues. Although several factors drive this process and their driving principles have been identified, the relevance and mechanism by which the surface potential influences cell behaviour is still unknown. In our study, we investigate the interaction between collagen, the most abundant component of the extracellular matrix, and poly(vinylidene fluoride) with varying surface charges. Our findings reveal substantial variations in the binding forces, structure and adhesion of collagen on the different surfaces, which collectively explain the differential cellular responses. By exposing these differences, our research fills a critical knowledge gap and paves the way for innovations in material design for advanced tissue regeneration strategies.
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Affiliation(s)
| | - Sara Martin-Iglesias
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, 48940 Leioa, Spain
| | - Andrea Moneo-Corcuera
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, 48940 Leioa, Spain
| | - Adai Colom
- Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain; Biofisika Institute (CSIC, UPV/EHU), 48940 Leioa, Spain; Department of Biochemistry and Molecular Biology, Faculty of Science and Technology, Campus Universitario, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
| | - Lorena Redondo-Morata
- Université de Lille, CNRS, INSERM, CHU Lille, Institut Pasteur de Lille, U1019-UMR9017, CIIL-Center for Infection and Immunity of Lille, F-59000 Lille, France
| | - Marina I Giannotti
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute for Science and Technology, 08028 Barcelona, Spain; CIBER-BBN, ISCIII, 08028 Barcelona, Spain; Department of Materials Science and Physical Chemistry, University of Barcelona, Martí i Franquès 10, 08028 Barcelona, Spain
| | - Viktor Petrenko
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, 48940 Leioa, Spain; Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
| | - Irene Monleón-Guinot
- Department of Pathology, Faculty of Medicine and Dentistry, Universitat de València, 46010 Valencia, Spain; INCLIVA Biomedical Research Institute, 46010 Valencia, Spain
| | - Manuel Mata
- Department of Pathology, Faculty of Medicine and Dentistry, Universitat de València, 46010 Valencia, Spain; INCLIVA Biomedical Research Institute, 46010 Valencia, Spain
| | - Unai Silvan
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, 48940 Leioa, Spain; Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain.
| | - Senentxu Lanceros-Mendez
- BCMaterials, Basque Center for Materials, Applications and Nanostructures, 48940 Leioa, Spain; Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
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Zhang S, Yu M, Li M, He M, Xie L, Huo F, Tian W. Notch Signaling Hydrogels Enable Rapid Vascularization and Promote Dental Pulp Tissue Regeneration. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2024:e2310285. [PMID: 39013081 DOI: 10.1002/advs.202310285] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Revised: 06/07/2024] [Indexed: 07/18/2024]
Abstract
Successful dental pulp regeneration is closely associated with rapid revascularization and angiogenesis, processes driven by the Jagged1(JAG1)/Notch signaling pathway. However, soluble Notch ligands have proven ineffective in activating this pathway. To overcome this limitation, a Notch signaling hydrogel is developed by indirectly immobilizing JAG1, aimed at precisely directing the regeneration of vascularized pulp tissue. This hydrogel displays favorable mechanical properties and biocompatibility. Cultivating dental pulp stem cells (DPSCs) and endothelial cells (ECs) on this hydrogel significantly upregulate Notch target genes and key proangiogenic markers expression. Three-dimensional (3D) culture assays demonstrate Notch signaling hydrogels improve effectiveness by facilitating encapsulated cell differentiation, enhancing their paracrine functions, and promoting capillary lumen formation. Furthermore, it effectively communicates with the Wnt signaling pathway, creating an odontoinductive microenvironment for pulp-dentin complex formation. In vivo studies show that short-term transplantation of the Notch signaling hydrogel accelerates angiogenesis, stabilizes capillary-like structures, and improves cell survival. Long-term transplantation further confirms its capability to promote the formation of pulp-like tissues rich in blood vessels and peripheral nerve-like structures. In conclusion, this study introduces a feasible and effective hydrogel tailored to specifically regulate the JAG1/Notch signaling pathway, showing potential in advancing regenerative strategies for dental pulp tissue.
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Affiliation(s)
- Siyuan Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, P. R. China
| | - Mei Yu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, P. R. China
| | - Maojiao Li
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine Ministry of Education, Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, P. R. China
| | - Min He
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, P. R. China
| | - Li Xie
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, P. R. China
| | - Fangjun Huo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine Ministry of Education, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, P. R. China
| | - Weidong Tian
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, National Engineering Laboratory for Oral Regenerative Medicine, Engineering Research Center of Oral Translational Medicine Ministry of Education, Department of Oral and Maxillofacial Surgery, West China Hospital of Stomatology, Sichuan University, Chengdu, 610041, P. R. China
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Rima M, Villeneuve-Faure C, Soumbo M, El Garah F, Pilloux L, Roques C, Makasheva K. Towards a better understanding of the effect of protein conditioning layers on microbial adhesion: a focused investigation of fibronectin and bovine serum albumin layers on SiO 2 surfaces. Biomater Sci 2024; 12:3086-3099. [PMID: 38716803 DOI: 10.1039/d4bm00099d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/12/2024]
Abstract
The interaction of foreign implants with their surrounding environment is significantly influenced by the adsorption of proteins on the biomaterial surfaces, playing a role in microbial adhesion. Therefore, understanding protein adsorption on solid surfaces and its effect on microbial adhesion is essential to assess the associated risk of infection. The aim of this study is to evaluate the effect of conditioning by fibronectin (Fn) or bovine serum albumin (BSA) protein layers of silica (SiO2) surfaces on the adhesion and detachment of two pathogenic microorganisms: Pseudomonas aeruginosa PAO1-Tn7-gfp and Candida albicans CIP 48.72. Experiments are conducted under both static and hydrodynamic conditions using a shear stress flow chamber. Through the use of very low wall shear stresses, the study brings the link between the static and dynamic conditions of microbial adhesion. The results reveal that the microbial adhesion critically depends on: (i) the presence of a protein layer conditioning the SiO2 surface, (ii) the type of protein and (iii) the protein conformation and organization in the conditioning layer. In addition, a very distinct adhesion behaviour of P. aeruginosa is observed towards the two tested proteins, Fn and BSA. This effect is reinforced by the amount of proteins adsorbed on the surface and their organization in the layer. The results are discussed in the light of atomic force microscopy analysis of the organization and conformation of proteins in the layers after adsorption on the SiO2 surface, as well as the specificity in bacterial behaviour when interacting with these protein layers. The study also demonstrates the very distinctive behaviours of the prokaryote P. aeruginosa PAO1-Tn7-gfp compared to the eukaryote C. albicans CIP 48.72. This underscores the importance of considering species-specific interactions between the protein conditioning layer and different pathogenic microorganisms, which appear crucial in designing tailored anti-adhesive surfaces.
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Affiliation(s)
- Maya Rima
- LGC, University of Toulouse, CNRS, UTIII, INPT, Toulouse, France.
| | | | - Marvine Soumbo
- LGC, University of Toulouse, CNRS, UTIII, INPT, Toulouse, France.
- LAPLACE, University of Toulouse, CNRS, UTIII, INPT, Toulouse, France.
| | - Fatima El Garah
- LGC, University of Toulouse, CNRS, UTIII, INPT, Toulouse, France.
| | - Ludovic Pilloux
- LGC, University of Toulouse, CNRS, UTIII, INPT, Toulouse, France.
| | - Christine Roques
- LGC, University of Toulouse, CNRS, UTIII, INPT, Toulouse, France.
| | - Kremena Makasheva
- LAPLACE, University of Toulouse, CNRS, UTIII, INPT, Toulouse, France.
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5
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Hassan N, Krieg T, Kopp A, Bach AD, Kröger N. Challenges and Pitfalls of Research Designs Involving Magnesium-Based Biomaterials: An Overview. Int J Mol Sci 2024; 25:6242. [PMID: 38892430 PMCID: PMC11172609 DOI: 10.3390/ijms25116242] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2024] [Revised: 05/31/2024] [Accepted: 06/01/2024] [Indexed: 06/21/2024] Open
Abstract
Magnesium-based biomaterials hold remarkable promise for various clinical applications, offering advantages such as reduced stress-shielding and enhanced bone strengthening and vascular remodeling compared to traditional materials. However, ensuring the quality of preclinical research is crucial for the development of these implants. To achieve implant success, an understanding of the cellular responses post-implantation, proper model selection, and good study design are crucial. There are several challenges to reaching a safe and effective translation of laboratory findings into clinical practice. The utilization of Mg-based biomedical devices eliminates the need for biomaterial removal surgery post-healing and mitigates adverse effects associated with permanent biomaterial implantation. However, the high corrosion rate of Mg-based implants poses challenges such as unexpected degradation, structural failure, hydrogen evolution, alkalization, and cytotoxicity. The biocompatibility and degradability of materials based on magnesium have been studied by many researchers in vitro; however, evaluations addressing the impact of the material in vivo still need to be improved. Several animal models, including rats, rabbits, dogs, and pigs, have been explored to assess the potential of magnesium-based materials. Moreover, strategies such as alloying and coating have been identified to enhance the degradation rate of magnesium-based materials in vivo to transform these challenges into opportunities. This review aims to explore the utilization of Mg implants across various biomedical applications within cellular (in vitro) and animal (in vivo) models.
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Affiliation(s)
- Nourhan Hassan
- Department of Plastic, Reconstructive and Aesthetic Surgery, University Hospital Cologne, 50937 Cologne, Germany
- Institute for Laboratory Animal Science and Experimental Surgery, University of Aachen Medical Center, Faculty of Medicine, RWTH-Aachen University, 52074 Aachen, Germany
- Biotechnology Department, Faculty of Science, Cairo University, Giza 12613, Egypt
| | - Thomas Krieg
- Translational Matrix Biology, Medical Faculty, University of Cologne, 50937 Cologne, Germany
- Cologne Excellence Cluster on Cellular Stress Responses in Aging-Associated Diseases (CECAD), University of Cologne, 50937 Cologne, Germany
- Center for Molecular Medicine (CMMC), University of Cologne, 50937 Cologne, Germany
| | | | - Alexander D. Bach
- Department of Plastic, Aesthetic and Hand Surgery, St. Antonius Hospital Eschweiler, 52249 Eschweiler, Germany
| | - Nadja Kröger
- Institute for Laboratory Animal Science and Experimental Surgery, University of Aachen Medical Center, Faculty of Medicine, RWTH-Aachen University, 52074 Aachen, Germany
- Department of Plastic, Aesthetic and Hand Surgery, St. Antonius Hospital Eschweiler, 52249 Eschweiler, Germany
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6
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Wang Y, Zhang H, Qiang H, Li M, Cai Y, Zhou X, Xu Y, Yan Z, Dong J, Gao Y, Pan C, Yin X, Gao J, Zhang T, Yu Z. Innovative Biomaterials for Bone Tumor Treatment and Regeneration: Tackling Postoperative Challenges and Charting the Path Forward. Adv Healthc Mater 2024; 13:e2304060. [PMID: 38429938 DOI: 10.1002/adhm.202304060] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2023] [Revised: 02/24/2024] [Indexed: 03/03/2024]
Abstract
Surgical resection of bone tumors is the primary approach employed in the treatment of bone cancer. Simultaneously, perioperative interventions, particularly postoperative adjuvant anticancer strategies, play a crucial role in achieving satisfactory therapeutic outcomes. However, the occurrence of postoperative bone tumor recurrence, metastasis, extensive bone defects, and infection are significant risks that can result in unfavorable prognoses or even treatment failure. In recent years, there has been significant progress in the development of biomaterials, leading to the emergence of new treatment options for bone tumor therapy and bone regeneration. This progress report aims to comprehensively analyze the strategic development of unique therapeutic biomaterials with inherent healing properties and bioactive capabilities for bone tissue regeneration. These composite biomaterials, classified into metallic, inorganic non-metallic, and organic types, are thoroughly investigated for their responses to external stimuli such as light or magnetic fields, internal interventions including chemotherapy or catalytic therapy, and combination therapy, as well as their role in bone regeneration. Additionally, an overview of self-healing materials for osteogenesis is provided and their potential applications in combating osteosarcoma and promoting bone formation are explored. Furthermore, the safety concerns of integrated materials and current limitations are addressed, while also discussing the challenges and future prospects.
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Affiliation(s)
- Yu Wang
- Department of Orthopedics, Jinshan Hospital, Fudan University, Shanghai, 201508, P. R. China
| | - Huaiyuan Zhang
- Department of Orthopedics, Jinshan Hospital, Fudan University, Shanghai, 201508, P. R. China
| | - Huifen Qiang
- Changhai Clinical Research Unit, The First Affiliated Hospital of Naval Medical University, Shanghai, 200433, P. R. China
- Shanghai Key Laboratory of Nautical Medicine and Translation of Drugs and Medical Devices, Shanghai, 200433, P. R. China
| | - Meigui Li
- School of Pharmacy, Henan University, Kaifeng City, Henan, 475004, P. R. China
| | - Yili Cai
- Department of Gastroenterology, Naval Medical Center, Naval Medical University, Shanghai, 200052, P. R. China
| | - Xuan Zhou
- School of Pharmacy, Henan University, Kaifeng City, Henan, 475004, P. R. China
| | - Yanlong Xu
- Department of Orthopedics, Jinshan Hospital, Fudan University, Shanghai, 201508, P. R. China
| | - Zhenzhen Yan
- Department of Burn Surgery, The First Affiliated Hospital of Naval Medical University, Shanghai, 200433, P. R. China
| | - Jinhua Dong
- The Women and Children Hospital Affiliated to Jiaxing University, Jiaxing, Zhejiang, 314000, P. R. China
| | - Yuan Gao
- School of Health Science and Engineering, University of Shanghai for Science and Technology, Shanghai, 200433, P. R. China
| | - Chengye Pan
- Department of Gastroenterology, The First Affiliated Hospital of Naval Medical University, Shanghai, 200433, P. R. China
| | - Xiaojing Yin
- Department of Gastroenterology, The First Affiliated Hospital of Naval Medical University, Shanghai, 200433, P. R. China
| | - Jie Gao
- Changhai Clinical Research Unit, The First Affiliated Hospital of Naval Medical University, Shanghai, 200433, P. R. China
- Shanghai Key Laboratory of Nautical Medicine and Translation of Drugs and Medical Devices, Shanghai, 200433, P. R. China
| | - Tinglin Zhang
- Changhai Clinical Research Unit, The First Affiliated Hospital of Naval Medical University, Shanghai, 200433, P. R. China
- Shanghai Key Laboratory of Nautical Medicine and Translation of Drugs and Medical Devices, Shanghai, 200433, P. R. China
| | - Zuochong Yu
- Department of Orthopedics, Jinshan Hospital, Fudan University, Shanghai, 201508, P. R. China
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7
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Ye T, Wang C, Yan J, Qin Z, Qin W, Ma Y, Wan Q, Lu W, Zhang M, Tay FR, Jiao K, Niu L. Lysosomal destabilization: A missing link between pathological calcification and osteoarthritis. Bioact Mater 2024; 34:37-50. [PMID: 38173842 PMCID: PMC10761323 DOI: 10.1016/j.bioactmat.2023.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 11/10/2023] [Accepted: 12/01/2023] [Indexed: 01/05/2024] Open
Abstract
Calcification of cartilage by hydroxyapatite is a hallmark of osteoarthritis and its deposition strongly correlates with the severity of osteoarthritis. However, no effective strategies are available to date on the prevention of hydroxyapatite deposition within the osteoarthritic cartilage and its role in the pathogenesis of this degenerative condition is still controversial. Therefore, the present work aims at uncovering the pathogenic mechanism of intra-cartilaginous hydroxyapatite in osteoarthritis and developing feasible strategies to counter its detrimental effects. With the use of in vitro and in vivo models of osteoarthritis, hydroxyapatite crystallites deposited in the cartilage are found to be phagocytized by resident chondrocytes and processed by the lysosomes of those cells. This results in lysosomal membrane permeabilization (LMP) and release of cathepsin B (CTSB) into the cytosol. The cytosolic CTSB, in turn, activates NOD-like receptor protein-3 (NLRP3) inflammasomes and subsequently instigates chondrocyte pyroptosis. Inhibition of LMP and CTSB in vivo are effective in managing the progression of osteoarthritis. The present work provides a conceptual therapeutic solution for the prevention of osteoarthritis via alleviation of lysosomal destabilization.
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Affiliation(s)
- Tao Ye
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Chenyu Wang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Jianfei Yan
- Department of Stomatology, Tangdu Hospital, State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Zixuan Qin
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Wenpin Qin
- Department of Stomatology, Tangdu Hospital, State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Yuxuan Ma
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Qianqian Wan
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Weicheng Lu
- Department of Stomatology, Tangdu Hospital, State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Mian Zhang
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Franklin R. Tay
- The Dental College of Georgia, Augusta University, Augusta, GA, 30912, USA
| | - Kai Jiao
- Department of Stomatology, Tangdu Hospital, State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
| | - Lina Niu
- State Key Laboratory of Oral & Maxillofacial Reconstruction and Regeneration & National Clinical Research Center for Oral Diseases & Shaanxi Key Laboratory of Stomatology, Department of Prosthodontics, School of Stomatology, The Fourth Military Medical University, Xi'an, Shaanxi, 710032, PR China
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8
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Santos M, Michael PL, Mitchell TC, Lam YT, Robinson TM, Moore MJ, Tan RP, Rnjak-Kovacina J, Lim KS, Wise SG. On-Demand Bioactivation of Inert Materials With Plasma-Polymerized Nanoparticles. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2024:e2311313. [PMID: 38483292 DOI: 10.1002/adma.202311313] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2023] [Revised: 02/05/2024] [Indexed: 03/22/2024]
Abstract
Conventional gas plasma treatments are crucial for functionalizing materials in biomedical applications, but have limitations hindering their broader use. These methods require exposure to reactive media under vacuum conditions, rendering them unsuitable for substrates that demand aqueous environments, such as proteins and hydrogels. In addition, complex geometries are difficult to treat, necessitating extensive customization for each material and shape. To address these constraints, an innovative approach employing plasma polymer nanoparticles (PPN) as a versatile functionalization tool is proposed. PPN share similarities with traditional plasma polymer coatings (PPC) but offer unique advantages: compatibility with aqueous systems, the ability to modify complex geometries, and availability as off-the-shelf products. Robust immobilization of PPN on various substrates, including synthetic polymers, proteins, and complex hydrogel structures is demonstrated in this study. This results in substantial improvements in surface hydrophilicity. Materials functionalization with arginylglycylaspartic acid (RGD)-loaded PPN significantly enhances cell attachment, spreading, and substrate coverage on inert scaffolds compared to passive RGD coatings. Improved adhesion to complex geometries and subsequent differentiation following growth factor exposure is also demonstrated. This research introduces a novel substrate functionalization approach that mimics the outcomes of plasma coating technology but vastly expands its applicability, promising advancements in biomedical materials and devices.
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Affiliation(s)
- Miguel Santos
- School of Medical Sciences, University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Praveesuda L Michael
- School of Medical Sciences, University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Timothy C Mitchell
- School of Medical Sciences, University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Yuen Ting Lam
- School of Medical Sciences, University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Thomas M Robinson
- School of Medical Sciences, University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Mathew J Moore
- School of Medical Sciences, University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Richard P Tan
- School of Medical Sciences, University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Jelena Rnjak-Kovacina
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney, New South Wales, 2006, Australia
| | - Khoon S Lim
- School of Medical Sciences, University of Sydney, Sydney, New South Wales, 2006, Australia
| | - Steven G Wise
- School of Medical Sciences, University of Sydney, Sydney, New South Wales, 2006, Australia
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Abhari RE, Snelling SJ, Augustynak E, Davis S, Fischer R, Carr AJ, Mouthuy PA. A Hybrid Electrospun-Extruded Polydioxanone Suture for Tendon Tissue Regeneration. Tissue Eng Part A 2024; 30:214-224. [PMID: 38126344 PMCID: PMC10954604 DOI: 10.1089/ten.tea.2023.0273] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/23/2023] [Accepted: 11/13/2023] [Indexed: 12/23/2023] Open
Abstract
Many surgical tendon repairs fail despite advances in surgical materials and techniques. Tendon repair failure can be partially attributed to the tendon's poor intrinsic healing capacity and the repurposing of sutures from other clinical applications. Electrospun materials show promise as a biological scaffold to support endogenous tendon repair, but their relatively low tensile strength has limited their clinical translation. It is hypothesized that combining electrospun fibers with a material with increased tensile strength may improve the suture's mechanical properties while retaining biophysical cues necessary to encourage cell-mediated repair. This article describes the production of a hybrid electrospun-extruded suture with a sheath of submicron electrospun fibers and a core of melt-extruded fibers. The porosity and tensile strength of this hybrid suture is compared with an electrospun-only braided suture and clinically used sutures Vicryl and polydioxanone (PDS). Bioactivity is assessed by measuring the adsorbed serum proteins on electrospun and melt-extruded filaments using mass spectrometry. Human hamstring tendon fibroblast attachment and proliferation were quantified and compared between the hybrid and control sutures. Combining an electrospun sheath with melt-extruded cores created a hybrid braid with increased tensile strength (70.1 ± 0.3N) compared with an electrospun only suture (12.9 ± 1 N, p < 0.0001). The hybrid suture had a similar force at break to clinical sutures, but lower stiffness and stress. The Young's modulus was 772.6 ± 32 MPa for the hybrid suture, 1693.0 ± 69 MPa for PDS, and 3838.0 ± 132 MPa for Vicryl, p < 0.0001. Hybrid sutures had lower overall porosity than electrospun-only sutures (40 ± 4% and 60 ± 7%, respectively, p = 0.0018) but had a significantly larger overall porosity and average pore diameter compared with surgical sutures. There were similar clusters of adsorbed proteins on electrospun and melt-extruded filaments, which were distinct from PDS. Tendon fibroblast attachment and cell proliferation on hybrid and electrospun sutures were significantly higher than on clinical sutures. This study demonstrated that a bioactive suture with increased tensile strength and lower stiffness could be produced by adding a core of 10 μm melt-extruded fibers to a sheath of electrospun fibers. In contrast to currently used sutures, the hybrid sutures promoted a bioactive response: serum proteins adsorbed, and fibroblasts attached, survived, grew along the sutures, and adopted appropriate morphologies.
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Affiliation(s)
- Roxanna E. Abhari
- Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
| | - Sarah J.B. Snelling
- Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
| | - Edyta Augustynak
- Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
| | - Simon Davis
- Nuffield Department of Medicine, Target Discovery Institute, Centre for Medicines Discovery, University of Oxford, Oxford, United Kingdom
- Nuffield Department of Medicine, Chinese Academy for Medical Sciences Oxford Institute, University of Oxford, Oxford, United Kingdom
| | - Roman Fischer
- Nuffield Department of Medicine, Target Discovery Institute, Centre for Medicines Discovery, University of Oxford, Oxford, United Kingdom
- Nuffield Department of Medicine, Chinese Academy for Medical Sciences Oxford Institute, University of Oxford, Oxford, United Kingdom
| | - Andrew J. Carr
- Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
| | - Pierre-Alexis Mouthuy
- Nuffield Department of Orthopaedics, Rheumatology, and Musculoskeletal Sciences, University of Oxford, Oxford, United Kingdom
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Rayannavar S, Mv SK, Bembalgi M, Shankargouda S, Acharya A, Doddamani M, Hiremath V, Shah MA. Evaluation of Osteoconductive and Antimicrobial Properties of Novel Graphene on Dental Implants: An In Vitro Study. Cureus 2024; 16:e54172. [PMID: 38496143 PMCID: PMC10941632 DOI: 10.7759/cureus.54172] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2023] [Accepted: 02/08/2024] [Indexed: 03/19/2024] Open
Abstract
Introduction Graphene oxide (GO) has emerged as a promising material in dentistry, leveraging its exceptional properties. This study evaluates the physicochemical attributes of GO and elucidates its derived biological properties. These encompass biocompatibility, antibacterial efficacy, as well as its influence on osteogenic and odontogenic differentiation processes. Understanding the intricate interplay between the physicochemical and biological aspects of GO provides valuable insights into its potential applications in various dental contexts. Materials and methods The study group (so; titanium discs surface coated with GO) and the control group (co; plain/uncoated machined titanium discs) were divided based on cell attachment and cell proliferation assays (n=60). These groups were further divided into subgroups (n=30) based on the tested time intervals, specifically 24 hours, 48 hours, and 72 hours. The study and controlgroups were further subdivided into three subgroups (n=10) based on the microorganisms tested i.e Porphyromonas gingivalis, Prevotella intermedia and Fusobacteria nucleatum. Results The results of this in vitro study suggest that GO-coated titanium dental implants have both increased osteogenic potential and antimicrobial efficacy. Graphene has good potential as a promising alternative to traditional surface treatments, and a graphene-coated implant can be used for enhanced osseointegration. Conclusion The osteogenic potential and the cell attachment were higher on titanium surfaces coated with GO nanoparticles when compared to plain titanium discs at 24, 48 and 72 hours respectively.
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Affiliation(s)
- Sounyala Rayannavar
- Department of Prosthodontics Crown and Bridge, KLE Vishwanath Katti Institute of Dental Sciences, KLE Academy of Higher Education and Research, Belagavi, IND
| | - Sunil Kumar Mv
- Department of Prosthodontics Crown and Bridge, Jaipur Dental College, Maharaj Vinayak Global University, Jaipur, IND
| | - Mahantesh Bembalgi
- Department of Prosthodontics Crown and Bridge, KLE Vishwanath Katti Institute of Dental Sciences, KLE Academy of Higher Education and Research, Belagavi, IND
| | - Swapnil Shankargouda
- Department of Prosthodontics Crown and Bridge, KLE Vishwanath Katti Institute of Dental Sciences, KLE Academy of Higher Education and Research, Belagavi, IND
| | - Aditya Acharya
- Department of Prosthodontics Crown and Bridge, KLE Vishwanath Katti Institute of Dental Sciences, KLE Academy of Higher Education and Research, Belagavi, IND
| | - Mallikarjun Doddamani
- Department of Prosthodontics Crown and Bridge, KLE Vishwanath Katti Institute of Dental Sciences, KLE Academy of Higher Education and Research, Belagavi, IND
| | - Vinuta Hiremath
- Department of Prosthodontics Crown and Bridge, Private Practitioner, Belagavi, IND
| | - Mehul A Shah
- Research scholar, Department of Public Health Dentistry, KLE Vishwanath Katti Institute of Dental Sciences, KLE Academy of Higher Education and Research, Belagavi, IND
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11
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Han Z, Xiong J, Jin X, Dai Q, Han M, Wu H, Yang J, Tang H, He L. Advances in reparative materials for infectious bone defects and their applications in maxillofacial regions. J Mater Chem B 2024; 12:842-871. [PMID: 38173410 DOI: 10.1039/d3tb02069j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2024]
Abstract
Infectious bone defects are characterized by the partial loss or destruction of bone tissue resulting from bacterial contaminations subsequent to diseases or external injuries. Traditional bone transplantation and clinical methods are insufficient in meeting the treatment demands for such diseases. As a result, researchers have increasingly focused on the development of more sophisticated biomaterials for improved therapeutic outcomes in recent years. This review endeavors to investigate specific reparative materials utilized for the treatment of infectious bone defects, particularly those present in the maxillofacial region, with a focus on biomaterials capable of releasing therapeutic substances, functional contact biomaterials, and novel physical therapy materials. These biomaterials operate via heightened antibacterial or osteogenic properties in order to eliminate bacteria and/or stimulate bone cells regeneration in the defect, ultimately fostering the reconstitution of maxillofacial bone tissue. Based upon some successful applications of new concept materials in bone repair of other parts, we also explore their future prospects and potential uses in maxillofacial bone repair later in this review. We highlight that the exploration of advanced biomaterials holds promise in establishing a solid foundation for the development of more biocompatible, effective, and personalized treatments for reconstructing infectious maxillofacial defects.
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Affiliation(s)
- Ziyi Han
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Jingdi Xiong
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Xiaohan Jin
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Qinyue Dai
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Mingyue Han
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Hongkun Wu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Jiaojiao Yang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
| | - Haiqin Tang
- College of Polymer Science and Engineering, State Key Laboratory of Polymer Materials Engineering, Sichuan University, Chengdu 610065, P. R. China
| | - Libang He
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China.
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12
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Sood A, Singhmar R, Sahoo S, Lee D, Kim CM, Kumar A, Han SS. Physicochemical, electrochemical, and biological characterization of field assisted gold nanocluster-coated barium titanate nanoparticles for biomedical applications. J Mater Chem B 2024; 12:525-539. [PMID: 38113029 DOI: 10.1039/d3tb01928d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2023]
Abstract
Fluorescence-based bioimaging is an imperative approach with high clinical relevance in healthcare applications and biomedical research. The field of bioimaging plays an indispensable role in gaining insight into the internal architecture of cells/tissues and comprehending the physiological functions associated with biological systems. With the utility of piezoelectric nanomaterials, the bioelectric interface has been significantly investigated, leading to remarkable clinical relevance. Herein, we have developed barium titanate nanoparticle (BT) coated gold nanoclusters (AuNCs) in the presence and absence of an electromagnetic field (EMF). In this work, the effect of low (0.6 G) and high (2.0 G) EMFs on the structural arrangement of these piezoelectric nanocomposites (ABT) has been extensively studied with the help of X-ray diffraction (XRD), high diffraction resolution transmission electron microscopy (HR-TEM) and X-ray photoelectron spectroscopy (XPS). Furthermore, the two derivatives of ABT i.e. 0.6 ABT and 2.0 ABT have been evaluated for electrochemical behavior for their applicability as a candidate for exploring the bioelectric interface. Additionally, ABT, 0.6 ABT, and 2.0 ABT have been explored for cytocompatibility and bioimaging applications. The proposed piezoelectric nanocomposite, as a multifunctional platform, has enormous proficiency in the field of bioimaging and the capability to be utilized across the bioelectric interface.
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Affiliation(s)
- Ankur Sood
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, South Korea.
| | - Ritu Singhmar
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, South Korea.
| | - Sumanta Sahoo
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, South Korea.
| | - Dahae Lee
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, South Korea.
| | - Chul Min Kim
- Department of Mechatronics Engineering, Gyeongsang National University, 33 Dongjin-ro, Jinju, Gyeongsangnam-do, South Korea.
| | - Anuj Kumar
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, South Korea.
- School of Materials Science and Technology, Indian Institute of Technology (BHU), Varanasi 221005, India.
| | - Sung Soo Han
- School of Chemical Engineering, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, South Korea.
- Research Institute of Cell Culture, Yeungnam University, 280 Daehak-ro, Gyeongsan 38541, South Korea
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13
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Luu CH, Nguyen NT, Ta HT. Unravelling Surface Modification Strategies for Preventing Medical Device-Induced Thrombosis. Adv Healthc Mater 2024; 13:e2301039. [PMID: 37725037 DOI: 10.1002/adhm.202301039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2023] [Revised: 08/29/2023] [Indexed: 09/21/2023]
Abstract
The use of biomaterials in implanted medical devices remains hampered by platelet adhesion and blood coagulation. Thrombus formation is a prevalent cause of failure of these blood-contacting devices. Although systemic anticoagulant can be used to support materials and devices with poor blood compatibility, its negative effects such as an increased chance of bleeding, make materials with superior hemocompatibility extremely attractive, especially for long-term applications. This review examines blood-surface interactions, the pathogenesis of clotting on blood-contacting medical devices, popular surface modification techniques, mechanisms of action of anticoagulant coatings, and discusses future directions in biomaterial research for preventing thrombosis. In addition, this paper comprehensively reviews several novel methods that either entirely prevent interaction between material surfaces and blood components or regulate the reaction of the coagulation cascade, thrombocytes, and leukocytes.
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Affiliation(s)
- Cuong Hung Luu
- School of Environment and Science, Griffith University, Nathan, Queensland, 4111, Australia
- Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
| | - Nam-Trung Nguyen
- School of Environment and Science, Griffith University, Nathan, Queensland, 4111, Australia
- Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
| | - Hang Thu Ta
- School of Environment and Science, Griffith University, Nathan, Queensland, 4111, Australia
- Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan, Queensland, 4111, Australia
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14
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Jain P, Yu-Tong Lin R, Mishra K, Handral H, Dubey N. Three-dimensional eco-friendly bacterial nanocellulose (BNC) scaffold for regenerative dentistry: Characterization, cytocompatibility and differentiation potential. Dent Mater 2024; 40:151-157. [PMID: 37945385 DOI: 10.1016/j.dental.2023.11.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2023] [Revised: 10/26/2023] [Accepted: 11/04/2023] [Indexed: 11/12/2023]
Abstract
OBJECTIVE Regenerative dentistry (RD) is an innovative strategy for treating necrotic teeth and regenerating damaged dental tissue. Biocompatible materials are pivotal for the advancement of RD, and the rising interest in environmental sustainability drives exploration of sustainable materials for dentistry. Bacterial nanocellulose (BNC) has emerged as a promising eco-friendly option and this study aims to assess BNC's suitability as scaffolds for regenerative dentistry applications. METHODS Different in vitro methods have been utilized to characterize the properties of BNC scaffolds in regenerative dentistry, such as scanning electron microscopy (SEM) to analyse surface property and porosity, as well as examining their absorption behaviour using phosphate-buffered saline and bovine serum. Dental pulp stem cell (DPSCs) attachment, viability, and proliferation were evaluated using SEM, live and dead, and tetrazolium reduction assays. The odontogenic potential of the scaffold was evaluated using Alizarin Red staining and qPCR (14 and 21 days). RESULTS Scanning electron microscopy (SEM) images and ethanol displacement method demonstrated the porous architecture of the BNC scaffold with an average porosity of 70.02 ± 4.74% and 50.26 ± 1.43% respectively. The scaffold absorbed 2846.54 ± 258.95 of BSA and 1648.63 ± 50.37% PBS after immersion in solution for 1 h, following pseudo first and second order kinetics. The biocompatibility assay indicated that cell density increased with time and that the scaffold was appropriate for cell adhesion and migration. Moreover, the BNC led to significantly higher mineralization and odontogenic expression compared to the control (BNC in conditioned media). SIGNIFICANCE BNC showed fast adsorption of bovine serum, allowed DPSC attachment, migration, and odontogenic differentiation. This suggests its suitability as a biocompatible scaffold for triggering in situ mineralized tissue regeneration for regenerative dental applications.
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Affiliation(s)
- Pooja Jain
- Faculty of Dentistry, National University of Singapore, Singapore
| | - Ruby Yu-Tong Lin
- Faculty of Dentistry, National University of Singapore, Singapore
| | - Keerti Mishra
- Department of Biological Sciences, National University of Singapore, Singapore
| | - Harish Handral
- Stem Cell Bioprocessing, Bioprocessing Technology Institute, A⁎STAR, Singapore 138668, Singapore
| | - Nileshkumar Dubey
- Faculty of Dentistry, National University of Singapore, Singapore; ORCHIDS: Oral Care Health Innovations and Designs Singapore, National University of Singapore, Singapore.
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15
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Romero-Gavilán F, García-Arnáez I, Cerqueira A, Arias-Mainer C, Azkargorta M, Elortza F, Izquierdo R, Gurruchaga M, Goñi I, Suay J. Using osteogenic medium in the in vitro evaluation of bone biomaterials: Artefacts due to a synergistic effect. Biochimie 2024; 216:24-33. [PMID: 37716498 DOI: 10.1016/j.biochi.2023.09.015] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2023] [Revised: 08/01/2023] [Accepted: 09/13/2023] [Indexed: 09/18/2023]
Abstract
In vitro tests using bone cells to evaluate the osteogenic potential of biomaterials usually employ the osteogenic medium (OM). The lack of correlation frequently reported between in vitro and in vivo studies in bone biomaterials, makes necessary the evaluation of the impact of osteogenic supplements on these results. This study analysed the proteomic profiles of human osteoblasts (HOb) cultured in the media with and without osteogenic agents (ascorbic acid and β-glycerol phosphate). The cells were incubated for 1 and 7 days, on their own or in contact with Ti. The comparative Perseus analysis identified 2544 proteins whose expression was affected by osteogenic agents. We observed that the OM strongly alters protein expression profiles with a complex impact on multiple pathways associated with adhesion, immunity, oxidative stress, coagulation, angiogenesis and osteogenesis. OM-triggered changes in the HOb intracellular energy production mechanisms, with key roles in osteoblast maturation. HOb cultured with and without Ti showed enrichment in the skeletal system development function due to the OM. However, differentially expressed proteins with key regenerative functions were associated with a synergistic effect of OM and Ti. This synergy, caused by the Ti-OM interaction, could complicate the interpretation of in vitro results, highlighting the need to analyse this phenomenon in biomaterial testing.
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Affiliation(s)
- Francisco Romero-Gavilán
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071, Castellón de la Plana, Spain.
| | - Iñaki García-Arnáez
- Department of Polymers and Advanced Materials: Physics, Chemistry and Technology, Universidad del País Vasco, P. M. de Lardizábal, 3, 20018, San Sebastián, Spain
| | - Andreia Cerqueira
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071, Castellón de la Plana, Spain
| | - Carlos Arias-Mainer
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071, Castellón de la Plana, Spain
| | - Mikel Azkargorta
- Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, Bizkaia Science and Technology Park, 48160, Derio, Spain
| | - Félix Elortza
- Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, Bizkaia Science and Technology Park, 48160, Derio, Spain
| | - Raúl Izquierdo
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071, Castellón de la Plana, Spain
| | - Mariló Gurruchaga
- Department of Polymers and Advanced Materials: Physics, Chemistry and Technology, Universidad del País Vasco, P. M. de Lardizábal, 3, 20018, San Sebastián, Spain
| | - Isabel Goñi
- Department of Polymers and Advanced Materials: Physics, Chemistry and Technology, Universidad del País Vasco, P. M. de Lardizábal, 3, 20018, San Sebastián, Spain
| | - Julio Suay
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071, Castellón de la Plana, Spain
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Hasnain M, Kanwal T, Rehman K, Rehman SRU, Aslam S, Roome T, Perveen S, Zaidi MB, Saifullah S, Yasmeen S, Hasan A, Shah MR. Microarray needles comprised of arginine-modified chitosan/PVA hydrogel for enhanced antibacterial and wound healing potential of curcumin. Int J Biol Macromol 2023; 253:126697. [PMID: 37673138 DOI: 10.1016/j.ijbiomac.2023.126697] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2023] [Revised: 09/01/2023] [Accepted: 09/02/2023] [Indexed: 09/08/2023]
Abstract
Wound healing is a multifaceted and complex process that includes inflammation, hemostasis, remodeling, and granulation. Failures in any link may cause the healing process to be delayed. As a result, wound healing has always been a main research focus across the entire medical field, posing significant challenges and financial burdens. Hence, the current investigation focused on the design and development of arginine-modified chitosan/PVA hydrogel-based microneedles (MNs) as a curcumin (CUR) delivery system for improved wound healing and antibacterial activity. The substrate possesses exceptional swelling capabilities that allow tissue fluid from the wound to be absorbed, speeding up wound closure. The antibacterial activity of MNs was investigated against S. aureus and E. coli. The results revealed that the developed CUR-loaded MNs had increased antioxidant activity and sustained drug release behavior. Furthermore, after being loaded in the developed MNs, it revealed improved antibacterial activity of CUR. Wound healing potential was assessed by histopathological analysis and wound closure%. The observed results suggest that the CUR-loaded MNs greatly improved wound healing potential via tissue regeneration and collagen deposition, demonstrating the potential of developed MNs patches to be used as an effective carrier for wound healing in healthcare settings.
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Affiliation(s)
- Muhammad Hasnain
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Tasmina Kanwal
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Khadija Rehman
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan.
| | - Syed Raza Ur Rehman
- Mechanical and Industrial Engineering, Qatar University, 2713, Doha, Qatar; Biomedical Research Center, Qatar University, 2713, Doha, Qatar.
| | - Shazmeen Aslam
- Dow Institute for Advanced Biological and Animal Research, Dow International Medical College, Dow University of Health Sciences, Karachi 74200, Pakistan.
| | - Talat Roome
- Dow Institute for Advanced Biological and Animal Research, Dow International Medical College, Dow University of Health Sciences, Karachi 74200, Pakistan; Molecular Pathology Section, Department of Pathology, Dow Diagnostic Reference and Research Laboratory, Dow University of Health Sciences, Karachi 74200, Pakistan.
| | - Samina Perveen
- School of Environmental and Biological Engineering, Nanjing University of Science and Technology, Nanjing, PR China
| | - Midhat Batool Zaidi
- Dow Institute for Advanced Biological and Animal Research, Dow International Medical College, Dow University of Health Sciences, Karachi 74200, Pakistan.
| | - Salim Saifullah
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan; Pakistan Forest Institute Peshawar, Pakistan
| | - Saira Yasmeen
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan
| | - Anwarul Hasan
- Mechanical and Industrial Engineering, Qatar University, 2713, Doha, Qatar; Biomedical Research Center, Qatar University, 2713, Doha, Qatar
| | - Muhammad Raza Shah
- H.E.J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi 75270, Pakistan.
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Gu Y, Hu Y, Zhang H, Wang S, Xu K, Su J. Single-cell RNA sequencing in osteoarthritis. Cell Prolif 2023; 56:e13517. [PMID: 37317049 PMCID: PMC10693192 DOI: 10.1111/cpr.13517] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 04/30/2023] [Accepted: 05/26/2023] [Indexed: 06/16/2023] Open
Abstract
Osteoarthritis is a progressive and heterogeneous joint disease with complex pathogenesis. The various phenotypes associated with each patient suggest that better subgrouping of tissues associated with genotypes in different phases of osteoarthritis may provide new insights into the onset and progression of the disease. Recently, single-cell RNA sequencing was used to describe osteoarthritis pathogenesis on a high-resolution view surpassing traditional technologies. Herein, this review summarizes the microstructural changes in articular cartilage, meniscus, synovium and subchondral bone that are mainly due to crosstalk amongst chondrocytes, osteoblasts, fibroblasts and endothelial cells during osteoarthritis progression. Next, we focus on the promising targets discovered by single-cell RNA sequencing and its potential applications in target drugs and tissue engineering. Additionally, the limited amount of research on the evaluation of bone-related biomaterials is reviewed. Based on the pre-clinical findings, we elaborate on the potential clinical values of single-cell RNA sequencing for the therapeutic strategies of osteoarthritis. Finally, a perspective on the future development of patient-centred medicine for osteoarthritis therapy combining other single-cell multi-omics technologies is discussed. This review will provide new insights into osteoarthritis pathogenesis on a cellular level and the field of applications of single-cell RNA sequencing in personalized therapeutics for osteoarthritis in the future.
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Affiliation(s)
- Yuyuan Gu
- Institute of Translational MedicineShanghai UniversityShanghaiChina
- Organoid Research CenterShanghai UniversityShanghaiChina
- School of MedicineShanghai UniversityShanghaiChina
| | - Yan Hu
- Institute of Translational MedicineShanghai UniversityShanghaiChina
- Organoid Research CenterShanghai UniversityShanghaiChina
| | - Hao Zhang
- Institute of Translational MedicineShanghai UniversityShanghaiChina
- Organoid Research CenterShanghai UniversityShanghaiChina
| | - Sicheng Wang
- Institute of Translational MedicineShanghai UniversityShanghaiChina
- Organoid Research CenterShanghai UniversityShanghaiChina
- Department of OrthopedicsShanghai Zhongye HospitalShanghaiChina
| | - Ke Xu
- Institute of Translational MedicineShanghai UniversityShanghaiChina
- Organoid Research CenterShanghai UniversityShanghaiChina
- Wenzhou Institute of Shanghai UniversityWenzhouChina
| | - Jiacan Su
- Institute of Translational MedicineShanghai UniversityShanghaiChina
- Organoid Research CenterShanghai UniversityShanghaiChina
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18
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Lekhavadhani S, Shanmugavadivu A, Selvamurugan N. Role and architectural significance of porous chitosan-based scaffolds in bone tissue engineering. Int J Biol Macromol 2023; 251:126238. [PMID: 37567529 DOI: 10.1016/j.ijbiomac.2023.126238] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2023] [Revised: 07/26/2023] [Accepted: 08/07/2023] [Indexed: 08/13/2023]
Abstract
In designing and fabricating scaffolds to fill the bone defects and stimulate new bone formation, the biomimetics of the construct is a crucial factor in invoking the bone microenvironment to promote osteogenic differentiation. Regarding structural traits, changes in porous characteristics of the scaffolds, such as pore size, pore morphology, and percentage porosity, may patronize or jeopardize their other physicochemical and biological properties. Chitosan (CS), a biodegradable naturally occurring polymer, has recently drawn considerable attention as a scaffolding material in tissue engineering and regenerative medicine. CS-based microporous scaffolds have been reported to aid osteogenesis under both in vitro and in vivo conditions by supporting cellular attachment and proliferation of osteoblast cells and the formation of mineralized bone matrix. This related notion may be found in numerous earlier research, even though the precise mechanism of action that encourages the development of new bone still needs to be understood completely. This article presents the potential correlations and the significance of the porous properties of the CS-based scaffolds to influence osteogenesis and angiogenesis during bone regeneration. This review also goes over resolving the mechanical limitations of CS by blending it with other polymers and ceramics.
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Affiliation(s)
- Sundaravadhanan Lekhavadhani
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - Abinaya Shanmugavadivu
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India
| | - Nagarajan Selvamurugan
- Department of Biotechnology, School of Bioengineering, College of Engineering and Technology, SRM Institute of Science and Technology, Kattankulathur, Tamil Nadu, India.
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Kim J, Kang S, Choi MH, Park S, Nam SH, Park JU, Lee Y. Zwitterionic polymer on silicone implants inhibits the bacteria-driven pathogenic mechanism and progress of breast implant-associated anaplastic large cell lymphoma. Acta Biomater 2023; 171:378-391. [PMID: 37683967 DOI: 10.1016/j.actbio.2023.09.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2023] [Revised: 08/22/2023] [Accepted: 09/03/2023] [Indexed: 09/10/2023]
Abstract
Breast implant-associated anaplastic large cell lymphoma (BIA-ALCL) occurs in the capsule surrounding breast implants. Malignant transformation of T cells by bacteria-driven chronic inflammation may be underlying BIA-ALCL mechanism. Here, we covalently grafted 2-methacryloyloxyethyl phosphorylcholine (MPC)-based polymers on a silicone surface and examined its effects against BIA-ALCL pathogenesis. MPC grafting strongly inhibited the adhesion of bacteria and bacteria-causing inflammation. Additionally, cancer T cell proliferation and capsule-derived fibroblast-cancer cell communication were effectively inhibited by MPC grafting. We further demonstrated the effect of MPC against the immune responses causing BIA-ALCL around human silicone implants in micro-pigs. Finally, we generated a xenograft anaplastic T cell lymphoma mouse model around the silicone implants and demonstrated that MPC grafting could effectively inhibit the lymphoma progression. This study is the first to show that bacteria-driven induction and progression of BIA-ALCL can be effectively inhibited by surface modification of implants. STATEMENT OF SIGNIFICANCE: Breast implant-associated anaplastic large cell lymphoma (BIA-ALCL) is a major concern in the field of plastic and reconstructive surgery. In this study, we demonstrate strong inhibitory effect of zwitterionic polymer grafting on BIA-ALCL pathogenesis and progression, induced by bacterial infection and inflammation, both in vitro and in vivo. This study provides a molecular basis for the development of novel breast implants that can prevent various potential complications such as excessive capsular contracture, breast implant illness, and BIA-ALCL incidence, as well as for expanding the biomedical applications of zwitterionic polymers.
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Affiliation(s)
- Jungah Kim
- Department of Chemistry, College of Natural Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Sunah Kang
- Department of Chemistry, College of Natural Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - Min-Ha Choi
- Department of Plastic and Reconstructive Surgery, Seoul National University Boramae Medical Center, Seoul National University College of Medicine, 5 Gil 20, Boramae-ro, Dongjak-gu, Seoul 07061, Republic of Korea
| | - Sohyun Park
- Department of Chemistry, College of Natural Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea
| | - So Hee Nam
- College of Pharmacy, Dongduk Women's University, 60 Hwarang-ro 13-gil, Seongbuk-gu, Seoul 02748, Republic of Korea
| | - Ji-Ung Park
- Department of Plastic and Reconstructive Surgery, Seoul National University Boramae Medical Center, Seoul National University College of Medicine, 5 Gil 20, Boramae-ro, Dongjak-gu, Seoul 07061, Republic of Korea; Institute of Medical and Biological Engineering, Seoul National University College of Medicine, 103 Daehak-ro, Jongno-gu, Seoul 03080, Republic of Korea; Interdisciplinary Program in Bioengineering, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea.
| | - Yan Lee
- Department of Chemistry, College of Natural Sciences, Seoul National University, 1 Gwanak-ro, Gwanak-gu, Seoul 08826, Republic of Korea.
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20
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Zhu F, Wang S, Zhu X, Pang C, Cui P, Yang F, Li R, Zhan Q, Xin H. Potential effects of biomaterials on macrophage function and their signalling pathways. Biomater Sci 2023; 11:6977-7002. [PMID: 37695360 DOI: 10.1039/d3bm01213a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
The use of biomaterials in biomedicine and healthcare has increased in recent years. Macrophages are the primary immune cells that induce inflammation and tissue repair after implantation of biomaterials. Given that macrophages exhibit high heterogeneity and plasticity, the influence of biomaterials on macrophage phenotype should be considered a crucial evaluation criterion during the development of novel biomaterials. This review provides a comprehensive summary of the physicochemical, biological, and dynamic characteristics of biomaterials that drive the regulation of immune responses in macrophages. The mechanisms involved in the interaction between macrophages and biomaterials, including endocytosis, receptors, signalling pathways, integrins, inflammasomes and long non-coding RNAs, are summarised in this review. In addition, research prospects of the interaction between macrophages and biomaterials are discussed. An in-depth understanding of mechanisms underlying the spatiotemporal changes in macrophage phenotype induced by biomaterials and their impact on macrophage polarization can facilitate the identification and development of novel biomaterials with superior performance. These biomaterials may be used for tissue repair and regeneration, vaccine or drug delivery and immunotherapy.
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Affiliation(s)
- Fujun Zhu
- Department of Burns and Plastic Surgery, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China.
| | - Shaolian Wang
- Central Sterile Supply Department, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China
| | - Xianglian Zhu
- Outpatient Department, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China
| | - Caixiang Pang
- Department of Emergency Medicine, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China
| | - Pei Cui
- Animal Laboratory, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China
| | - Fuwang Yang
- Department of Burns and Plastic Surgery, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China.
| | - Rongsheng Li
- Animal Laboratory, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China
| | - Qiu Zhan
- Animal Laboratory, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China
| | - Haiming Xin
- Department of Burns and Plastic Surgery, the No. 924th Hospital of the Joint Logistic Support Force of the Chinese PLA, Guilin, Guangxi 541002, People's Republic of China.
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21
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Feng Y, Zhang Z, Tang W, Dai Y. Gel/hydrogel-based in situ biomaterial platforms for cancer postoperative treatment and recovery. EXPLORATION (BEIJING, CHINA) 2023; 3:20220173. [PMID: 37933278 PMCID: PMC10582614 DOI: 10.1002/exp.20220173] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/13/2022] [Accepted: 04/03/2023] [Indexed: 11/08/2023]
Abstract
Tumor surgical resection is the major strategy for cancer treatment. Meanwhile, perioperative treatment especially the postoperative adjuvant anticancer strategies play essential roles in satisfying therapeutic results and rapid recovery. Postoperative tumor recurrence, metastasis, bleeding, inter-tissue adhesion, infection, and delayed wound healing are vital risks that could lead to poor prognosis or even treatment failure. Therefore, methods targeting these postoperative complications are in desperate need. In situ biomaterial-based drug delivery platforms are promising candidates for postoperative treatment and recovery, resulting from their excellent properties including good biocompatibility, adaptive shape, limited systemic effect, designable function, and easy drug loading. In this review, we focus on introducing the gel/hydrogel-based in situ biomaterial platforms involving their properties, advantages, and synthesis procedures. Based on the loaded contents in the gel/hydrogel such as anticancer drugs, immunologic agents, cell components, and multifunctional nanoparticles, we further discuss the applications of the in situ platforms for postoperative tumor recurrence and metastasis inhibition. Finally, other functions aiming at fast postoperative recovery were introduced, including hemostasis, antibacterial infection, adhesion prevention, tissue repair, and wound healing. In conclusion, gel/hydrogel is a developing and promising platform for postoperative treatment, exhibiting gratifying therapeutic effects and inconspicuous toxicity to normal tissues, which deserves further research and exploration.
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Affiliation(s)
- Yuzhao Feng
- Cancer Centre and Institute of Translational MedicineFaculty of Health SciencesUniversity of MacauMacau SARChina
- MoE Frontiers Science Center for Precision OncologyUniversity of MacauMacau SARChina
| | - Zhan Zhang
- Cancer Centre and Institute of Translational MedicineFaculty of Health SciencesUniversity of MacauMacau SARChina
- MoE Frontiers Science Center for Precision OncologyUniversity of MacauMacau SARChina
| | - Wei Tang
- Departments of Pharmacy and Diagnostic RadiologyNanomedicine Translational Research ProgramFaculty of Science and Yong Loo Lin School of MedicineNational University of SingaporeSingapore
| | - Yunlu Dai
- Cancer Centre and Institute of Translational MedicineFaculty of Health SciencesUniversity of MacauMacau SARChina
- MoE Frontiers Science Center for Precision OncologyUniversity of MacauMacau SARChina
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22
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Zou Y, Shan Z, Han Z, Yang J, Lin Y, Gong Z, Xie L, Xu J, Xie R, Chen Z, Chen Z. Regulating Blood Clot Fibrin Films to Manipulate Biomaterial-Mediated Foreign Body Responses. RESEARCH (WASHINGTON, D.C.) 2023; 6:0225. [PMID: 37719049 PMCID: PMC10503960 DOI: 10.34133/research.0225] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Accepted: 08/20/2023] [Indexed: 09/19/2023]
Abstract
The clinical efficacy of implanted biomaterials is often compromised by host immune recognition and subsequent foreign body responses (FBRs). During the implantation, biomaterials inevitably come into direct contact with the blood, absorbing blood protein and forming blood clot. Many studies have been carried out to regulate protein adsorption, thus manipulating FBR. However, the role of clot surface fibrin films formed by clotting shrinkage in host reactions and FBR is often ignored. Because of the principle of fibrin film formation being relevant to fibrinogen or clotting factor absorption, it is feasible to manipulate the fibrin film formation via tuning the absorption of fibrinogen and clotting factor. As biological hydroxyapatite reserved bone architecture and microporous structure, the smaller particle size may expose more microporous structures and adsorb more fibrinogen or clotting factor. Therefore, we set up 3 sizes (small, <0.2 mm; medium, 1 to 2 mm; large, 3 to 4 mm) of biological hydroxyapatite (porcine bone-derived hydroxyapatite) with different microporous structures to investigate the absorption of blood protein, the formation of clot surface fibrin films, and the subsequent FBR. We found that small group adsorbed more clotting factors because of more microporous structures and formed the thinnest and sparsest fibrin films. These thinnest and sparsest fibrin films increased inflammation and profibrosis of macrophages through a potential signaling pathway of cell adhesion-cytoskeleton-autophagy, leading to the stronger FBR. Large group adsorbed lesser clotting factors, forming the thickest and densest fibrin films, easing inflammation and profibrosis of macrophages, and finally mitigating FBR. Thus, this study deepens the understanding of the role of fibrin films in host recognition and FBR and demonstrates the feasibility of a strategy to regulate FBR by modulating fibrin films via tuning the absorption of blood proteins.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | - Zetao Chen
- Hospital of Stomatology, Guanghua School of Stomatology,
Sun Yat-sen University and Guangdong Research Center for Dental and Cranial Rehabilitation and Material Engineering, Guangzhou 510055, China
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23
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Ji W, Zhang Y, Deng Y, Li C, Kankala RK, Chen A. Nature-inspired nanocarriers for improving drug therapy of atherosclerosis. Regen Biomater 2023; 10:rbad069. [PMID: 37641591 PMCID: PMC10460486 DOI: 10.1093/rb/rbad069] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2023] [Revised: 07/22/2023] [Accepted: 08/02/2023] [Indexed: 08/31/2023] Open
Abstract
Atherosclerosis (AS) has emerged as one of the prevalent arterial vascular diseases characterized by plaque and inflammation, primarily causing disability and mortality globally. Drug therapy remains the main treatment for AS. However, a series of obstacles hinder effective drug delivery. Nature, from natural micro-/nano-structural biological particles like natural cells and extracellular vesicles to the distinctions between the normal and pathological microenvironment, offers compelling solutions for efficient drug delivery. Nature-inspired nanocarriers of synthetic stimulus-responsive materials and natural components, such as lipids, proteins and membrane structures, have emerged as promising candidates for fulfilling drug delivery needs. These nanocarriers offer several advantages, including prolonged blood circulation, targeted plaque delivery, targeted specific cells delivery and controlled drug release at the action site. In this review, we discuss the nature-inspired nanocarriers which leverage the natural properties of cells or the microenvironment to improve atherosclerotic drug therapy. Finally, we provide an overview of the challenges and opportunities of applying these innovative nature-inspired nanocarriers.
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Affiliation(s)
- Weihong Ji
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Yuanxing Zhang
- The Institute of Forensic Science, Xiamen Public Security Bureau, Xiamen, Fujian 361104, PR China
| | - Yuanru Deng
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Changyong Li
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Ranjith Kumar Kankala
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, Fujian 361021, PR China
| | - Aizheng Chen
- Institute of Biomaterials and Tissue Engineering, Huaqiao University, Xiamen, Fujian 361021, PR China
- Fujian Provincial Key Laboratory of Biochemical Technology, Huaqiao University, Xiamen, Fujian 361021, PR China
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Frisch E, Clavier L, Belhamdi A, Vrana NE, Lavalle P, Frisch B, Heurtault B, Gribova V. Preclinical in vitro evaluation of implantable materials: conventional approaches, new models and future directions. Front Bioeng Biotechnol 2023; 11:1193204. [PMID: 37576997 PMCID: PMC10416115 DOI: 10.3389/fbioe.2023.1193204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 07/12/2023] [Indexed: 08/15/2023] Open
Abstract
Nowadays, implants and prostheses are widely used to repair damaged tissues or to treat different diseases, but their use is associated with the risk of infection, inflammation and finally rejection. To address these issues, new antimicrobial and anti-inflammatory materials are being developed. Aforementioned materials require their thorough preclinical testing before clinical applications can be envisaged. Although many researchers are currently working on new in vitro tissues for drug screening and tissue replacement, in vitro models for evaluation of new biomaterials are just emerging and are extremely rare. In this context, there is an increased need for advanced in vitro models, which would best recapitulate the in vivo environment, limiting animal experimentation and adapted to the multitude of these materials. Here, we overview currently available preclinical methods and models for biological in vitro evaluation of new biomaterials. We describe several biological tests used in biocompatibility assessment, which is a primordial step in new material's development, and discuss existing challenges in this field. In the second part, the emphasis is made on the development of new 3D models and approaches for preclinical evaluation of biomaterials. The third part focuses on the main parameters to consider to achieve the optimal conditions for evaluating biocompatibility; we also overview differences in regulations across different geographical regions and regulatory systems. Finally, we discuss future directions for the development of innovative biomaterial-related assays: in silico models, dynamic testing models, complex multicellular and multiple organ systems, as well as patient-specific personalized testing approaches.
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Affiliation(s)
- Emilie Frisch
- Université de Strasbourg, CNRS UMR 7199, 3Bio Team, Laboratoire de Conception et Application de Molécules Bioactives, Faculté de Pharmacie, Strasbourg, France
| | - Lisa Clavier
- Institut National de la Santé et de la Recherche Médicale, Inserm UMR_S 1121 Biomaterials and Bioengineering, Centre de Recherche en Biomédecine de Strasbourg, Strasbourg, France
- Université de Strasbourg, Faculté de Chirurgie Dentaire, Strasbourg, France
| | | | | | - Philippe Lavalle
- Institut National de la Santé et de la Recherche Médicale, Inserm UMR_S 1121 Biomaterials and Bioengineering, Centre de Recherche en Biomédecine de Strasbourg, Strasbourg, France
- Université de Strasbourg, Faculté de Chirurgie Dentaire, Strasbourg, France
- SPARTHA Medical, Strasbourg, France
| | - Benoît Frisch
- Université de Strasbourg, CNRS UMR 7199, 3Bio Team, Laboratoire de Conception et Application de Molécules Bioactives, Faculté de Pharmacie, Strasbourg, France
| | - Béatrice Heurtault
- Université de Strasbourg, CNRS UMR 7199, 3Bio Team, Laboratoire de Conception et Application de Molécules Bioactives, Faculté de Pharmacie, Strasbourg, France
| | - Varvara Gribova
- Institut National de la Santé et de la Recherche Médicale, Inserm UMR_S 1121 Biomaterials and Bioengineering, Centre de Recherche en Biomédecine de Strasbourg, Strasbourg, France
- Université de Strasbourg, Faculté de Chirurgie Dentaire, Strasbourg, France
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Tagaya M, Murataka T, Okano S, Handa H, Takahashi S. Comparison of complement consumption and platelet accumulation between membrane oxygenators coated with a polymer or heparin. Perfusion 2023:2676591231177912. [PMID: 37216953 DOI: 10.1177/02676591231177912] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
INTRODUCTION The membrane oxygenator in extracorporeal circulation circuits is coated with acrylate-copolymer (ACP) or immobilized heparin (IHP) to enhance hemocompatibility. To evaluate the relative features of both coatings, we compared blood components circulated in the circuits with ACP-and IHP-coated membranes in vitro using whole human blood. METHODS Whole human blood was heparinized and circulated in two experimental circuits with an ACP-coated reservoir, tubes, and an ACP- or IHP-coated membrane. Platelet (PLT) counts and the amount of total protein (TP), complement component 3 (C3), and complement component 4 (C4) were measured at 0, 8, 16, 24, and 32 h in each experiment (n = 5). RESULTS The PLT count at 0-h circulation was lower in the IHP-coated than in the ACP-coated circuits (p = 0.034); however, no significant difference was observed at other time points. Reduction in TP at 8-h and 16-h circulation and in C3 at 32-h circulation was lesser in the ACP-coated than in the IHP-coated circuits (p = 0.004, 0.034, and 0.027, respectively); reduction in TP and C3 at other time points and C4 at each time point was not significantly different. There were significant interactions between coating type and circulation duration in the PLT, TP, and C3 transitions (p = 0.008, 0.020, and 0.043, respectively). CONCLUSIONS Our findings suggest that ACP-coated membranes can prevent the initial drop in PLT count and C3 consumption over 32 h, whereas IHP-coated membranes could not prevent this drop in extracorporeal circulation. Therefore, ACP-coated membranes are suitable for short- and long-term extracorporeal life support.
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Affiliation(s)
- Masashi Tagaya
- Department of Medical Engineering, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Hiroshima, Japan
| | - Takuo Murataka
- Department of Medical Engineering, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Hiroshima, Japan
| | - Shinya Okano
- Department of Medical Engineering, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Hiroshima, Japan
| | - Hiroki Handa
- Department of Medical Engineering, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Hiroshima, Japan
| | - Shunsuke Takahashi
- Department of Nephrology, National Hospital Organization Kure Medical Center and Chugoku Cancer Center, Hiroshima, Japan
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Sang S, Wang S, Wu J, Zhang X. Sprayable Berberine-Silk Fibroin Microspheres with Extracellular Matrix Anchoring Function Accelerate Infected Wound Healing through Antibacterial and Anti-inflammatory Effects. ACS Biomater Sci Eng 2023. [PMID: 37142304 DOI: 10.1021/acsbiomaterials.3c00030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
The conventional method of applying local medications for treating wound infections is often ineffective because of the dilution of drugs by the excess wound exudate. In addition, there have been insufficient studies investigating the adhesion between drug-loaded nanomaterials and cells or tissue. To address this intractable problem, berberine-silk fibroin microspheres (Ber@MPs) with an extracellular matrix-anchoring function were developed in this study. The microspheres were prepared from silk fibroin using the polyethylene glycol emulsion precipitation method. Subsequently, berberine was loaded onto the microspheres. Our results revealed that Ber@MPs firmly anchored to cells, continuously releasing berberine in the microenvironment. Moreover, both Ber@MPs and Ber@MPs-cell complexes exerted a strong and long-lasting antibacterial effect against Staphylococcus aureus and Staphylococcus epidermidis in the microenvironment, despite the large amount of wound exudate. In addition, Ber@MPs effectively resisted the inflammatory response induced by lipopolysaccharides and accelerated the migration of fibroblasts and neovascularization of endothelial cells cultured in inflammation-induced media. Finally, the in vivo experiments confirmed that the Ber@MP spray accelerated the healing of infected wounds via its antibacterial and anti-inflammatory effects. Therefore, this study provides a novel strategy for treating infected wounds in the presence of excess exudate.
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Affiliation(s)
- Shang Sang
- Department of Orthopaedics, Shanghai Sixth People' Hospital, Shanghai 200233, China
| | - Shengjie Wang
- Department of Orthopaedics, Shanghai Sixth People' Hospital, Shanghai 200233, China
| | - Jianbing Wu
- College of Textile, Garment and Design, Changshu Institute of Technology, Suzhou 215500, China
| | - Xianlong Zhang
- Department of Orthopaedics, Shanghai Sixth People' Hospital, Shanghai 200233, China
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Kim J. Characterization of Biocompatibility of Functional Bioinks for 3D Bioprinting. Bioengineering (Basel) 2023; 10:bioengineering10040457. [PMID: 37106644 PMCID: PMC10135811 DOI: 10.3390/bioengineering10040457] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Revised: 04/02/2023] [Accepted: 04/07/2023] [Indexed: 04/29/2023] Open
Abstract
Three-dimensional (3D) bioprinting with suitable bioinks has become a critical tool for fabricating 3D biomimetic complex structures mimicking physiological functions. While enormous efforts have been devoted to developing functional bioinks for 3D bioprinting, widely accepted bioinks have not yet been developed because they have to fulfill stringent requirements such as biocompatibility and printability simultaneously. To further advance our knowledge of the biocompatibility of bioinks, this review presents the evolving concept of the biocompatibility of bioinks and standardization efforts for biocompatibility characterization. This work also briefly reviews recent methodological advances in image analyses to characterize the biocompatibility of bioinks with regard to cell viability and cell-material interactions within 3D constructs. Finally, this review highlights a number of updated contemporary characterization technologies and future perspectives to further advance our understanding of the biocompatibility of functional bioinks for successful 3D bioprinting.
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Affiliation(s)
- Jinku Kim
- Department of Biological and Chemical Engineering, Hongik University, Sejong 30016, Republic of Korea
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28
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Zhang Q, Chiu Y, Chen Y, Wu Y, Dunne LW, Largo RD, Chang EI, Adelman DM, Schaverien MV, Butler CE. Harnessing the synergy of perfusable muscle flap matrix and adipose-derived stem cells for prevascularization and macrophage polarization to reconstruct volumetric muscle loss. Bioact Mater 2023; 22:588-614. [PMID: 36382023 PMCID: PMC9646752 DOI: 10.1016/j.bioactmat.2022.10.023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 10/09/2022] [Accepted: 10/21/2022] [Indexed: 11/06/2022] Open
Abstract
Muscle flaps must have a strong vascular network to support a large tissue volume and ensure successful engraftment. We developed porcine stomach musculofascial flap matrix (PDSF) comprising extracellular matrix (ECM) and intact vasculature. PDSF had a dominant vascular pedicle, microcirculatory vessels, a nerve network, well-retained 3-dimensional (3D) nanofibrous ECM structures, and no allo- or xenoantigenicity. In-depth proteomic analysis demonstrated that PDSF was composed of core matrisome proteins (e.g., collagens, glycoproteins, proteoglycans, and ECM regulators) that, as shown by Gene Ontology term enrichment analysis, are functionally related to musculofascial biological processes. Moreover, PDSF-human adipose-derived stem cell (hASC) synergy not only induced monocytes towards IL-10-producing M2 macrophage polarization through the enhancement of hASCs' paracrine effect but also promoted the proliferation and interconnection of both human skeletal muscle myoblasts (HSMMs) and human umbilical vein endothelial cells (HUVECs) in static triculture conditions. Furthermore, PDSF was successfully prevascularized through a dynamic perfusion coculture of hASCs and HUVECs, which integrated with PDSF and induced the maturation of vascular networks in vitro. In a xenotransplantation model, PDSF demonstrated myoconductive and immunomodulatory properties associated with the predominance of M2 macrophages and regulatory T cells. In a volumetric muscle loss (VML) model, prevascularized PDSF augmented neovascularization and constructive remodeling, which was characterized by the predominant infiltration of M2 macrophages and significant musculofascial tissue formation. These results indicate that hASCs' integration with PDSF enhances the cells' dual function in immunomodulation and angiogenesis. Owing in part to this PDSF-hASC synergy, our platform shows promise for vascularized muscle flap engineering for VML reconstruction.
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Affiliation(s)
- Qixu Zhang
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Yulun Chiu
- Department of Melanoma Medical Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Youbai Chen
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
- Department of Plastic Surgery, Chinese PLA General Hospital, Beijing, 100853, China
| | - Yewen Wu
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Lina W. Dunne
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Rene D. Largo
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Edward I. Chang
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - David M. Adelman
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Mark V. Schaverien
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Charles E. Butler
- Department of Plastic Surgery, The University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
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29
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Brown M, Zhu S, Taylor L, Tabrizian M, Li-Jessen NY. Unraveling the Relevance of Tissue-Specific Decellularized Extracellular Matrix Hydrogels for Vocal Fold Regenerative Biomaterials: A Comprehensive Proteomic and In Vitro Study. ADVANCED NANOBIOMED RESEARCH 2023; 3:2200095. [PMID: 37547672 PMCID: PMC10398787 DOI: 10.1002/anbr.202200095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Decellularized extracellular matrix (dECM) is a promising material for tissue engineering applications. Tissue-specific dECM is often seen as a favorable material that recapitulates a native-like microenvironment for cellular remodeling. However, the minute quantity of dECM derivable from small organs like the vocal fold (VF) hampers manufacturing scalability. Small intestinal submucosa (SIS), a commercial product with proven regenerative capacity, may be a viable option for VF applications. This study aims to compare dECM hydrogels derived from SIS or VF tissue with respect to protein content and functionality using mass spectrometry-based proteomics and in vitro studies. Proteomic analysis reveals that VF and SIS dECM share 75% of core matrisome proteins. Although VF dECM proteins have greater overlap with native VF, SIS dECM shows less cross-sample variability. Following decellularization, significant reductions of soluble collagen (61%), elastin (81%), and hyaluronan (44%) are noted in VF dECM. SIS dECM contains comparable elastin and hyaluronan but 67% greater soluble collagen than VF dECM. Cells deposit more neo-collagen on SIS than VF-dECM hydrogels, whereas neo-elastin (~50 μg/scaffold) and neo-hyaluronan (~ 6 μg/scaffold) are comparable between the two hydrogels. Overall, SIS dECM possesses reasonably similar proteomic profile and regenerative capacity to VF dECM. SIS dECM is considered a promising alternative for dECM-derived biomaterials for VF regeneration.
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Affiliation(s)
- Mika Brown
- Department of Biomedical Engineering, McGill University 3655 Promenade Sir-William-Osler, Room 1003, Montreal, QC H3A 1A3, Canada
| | - Shirley Zhu
- Department of Microbiology and Immunology 2001 McGill College Ave, 8th Floor, Montreal, Quebec, H3A 1G1, Canada
| | - Lorne Taylor
- The Proteomics Platform, McGill University Health Center 1001 Decarie Boulevard Montreal Suite E01.5056 Montreal, Quebec, H4A 3J1, Canada
| | - Maryam Tabrizian
- Department of Biomedical Engineering, McGill University 3655 Promenade Sir-William-Osler, Room 1003, Montreal, QC H3A 1A3, Canada
- Department of Bioengineering, McGill University 740 Avenue Dr. Penfield, Room 4300, Montreal, QC H3A 0G1, Canada
- Faculty of Dentistry, McGill University 740 Avenue Dr. Penfield, Room 4300, Montreal, QC H3A 0G1, Canada
| | - Nicole Y.K. Li-Jessen
- Department of Biomedical Engineering, McGill University 3655 Promenade Sir-William-Osler, Room 1003, Montreal, QC H3A 1A3, Canada
- School of Communication Sciences and Disorders, McGill University 2001 McGill College Ave, 8th Floor, Montreal, Quebec, H3A 1G1, Canada
- Department of Otolaryngology - Head and Neck Surgery, McGill University 2001 McGill College Ave, 8th Floor, Montreal, Quebec, H3A 1G1, Canada
- Research Institute of McGill University Health Center, McGill University 2001 McGill College Ave, 8th Floor, Montreal, Quebec, H3A 1G1, Canada
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30
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Rashad A, Grøndahl M, Heggset EB, Mustafa K, Syverud K. Responses of Rat Mesenchymal Stromal Cells to Nanocellulose with Different Functional Groups. ACS APPLIED BIO MATERIALS 2023; 6:987-998. [PMID: 36763504 PMCID: PMC10031564 DOI: 10.1021/acsabm.2c00794] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/11/2023]
Abstract
Cellulose nanofibrils (CNFs) are multiscale hydrophilic biocompatible polysaccharide materials derived from wood and plants. TEMPO-mediated oxidation of CNFs (TO-CNF) turns some of the primary hydroxyl groups to carboxylate and aldehyde groups. Unlike carboxylic functional groups, there is little or no information about the biological role of the aldehyde groups on the surface of wood-based CNFs. In this work, we replaced the aldehyde groups in the TO-CNF samples with carboxyl groups by another oxidation treatment (TO-O-CNF) or with primary alcohols with terminal hydroxyl groups by a reduction reaction (TO-R-CNF). Rat mesenchymal stem/stromal cells (MSCs) derived from bone marrow were seeded on polystyrene tissue culture plates (TCP) coated with CNFs with and without aldehyde groups. TCP and TCP coated with bacterial nanocellulose (BNC) were used as control groups. Protein adsorption measurements demonstrated that more proteins were adsorbed from cell culture media on all CNF surfaces compared to BNC. Live/dead and lactate dehydrogenase assays confirmed that all nanocellulose biomaterials supported excellent cell viability. Interestingly, TO-R-CNF samples, which have no aldehyde groups, showed better cell spreading than BNC and comparable results to TCP. Unlike TO-O-CNF surfaces, which have no aldehyde groups either, TO-R-CNF stimulated cells, in osteogenic medium, to have higher alkaline phosphatase activity and to form more biomineralization than TCP and TO-CNF groups. These findings indicate that the presence of aldehyde groups (280 ± 14 μmol/g) on the surface of TEMPO-oxidized CNFs might have little or no effect on attachment, proliferation, and osteogenic differentiation of MSCs.
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Affiliation(s)
- Ahmad Rashad
- Center of Translational Oral Research (TOR), Department of Clinical Dentistry, University of Bergen, Bergen 5009, Norway
| | - Martha Grøndahl
- Department of Biotechnology and Food Science, Norwegian University of Science and Technology, Trondheim 7491, Norway
| | | | - Kamal Mustafa
- Center of Translational Oral Research (TOR), Department of Clinical Dentistry, University of Bergen, Bergen 5009, Norway
| | - Kristin Syverud
- RISE PFI, Trondheim 7491, Norway
- Department of Chemical Engineering, Norwegian University of Science and Technology (NTNU), Trondheim 7491, Norway
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31
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Arteaga A, Ranathunga DTS, Qu J, Biguetti CC, Nielsen SO, C Rodrigues D. Exogenous Protein Delivery of Ionic Liquid-Mediated HMGB1 Coating on Titanium Implants. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2023; 39:2204-2217. [PMID: 36716434 DOI: 10.1021/acs.langmuir.2c02688] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Strategies for modifying titanium (Ti) implant surfaces are becoming increasingly popular to enhance osseointegration during acute and inflammatory healing stages. In this study, two dicationic imidazolium-based ionic liquids (IonLs) containing phenylalanine and methionine anions (IonL-Phe(1,10-bis(3-methylimidazolium-1-yl)decane diphenylalanine) and IonL-Met(1,10-bis(3-methylimidazolium-1-yl)decane dimethionine)) were investigated to stably deliver exogenous proteins on Ti to promote osseointegration. The protein selected for this study is High-Mobility Group Box 1 (HMGB1), which recruits inflammatory and mesenchymal stem cells to the implantation site, contributing to healing. To explore IonL-Ti interactions and HMGB1 stability on the IonL-coated surface, experimental characterization techniques including X-ray photoelectron spectroscopy, scanning electron microscopy, dynamic scanning calorimetry (DSC), and liquid chromatography mass spectrometry (LC-MS) were used along with molecular dynamics (MD) computer simulations to provide a detailed molecular level description. Results show well-structured IonL molecules on the Ti surface that impact protein crystallization and coating morphology. IonL cations and anions were found to bind strongly to oppositely charged residues of the protein. LC-MS/MS reveals that HMGB1 B-box lysine residues bind strongly to the IonLs. Stronger interactions of HMGB1 with Ion-Phe in contrast to IonL-Met results in greater retention capacity of HMGB1 in the IonL-Phe coating. Overall, this study provides evidence that the selected IonLs strongly interact with HMGB1, which can be a potential surface treatment for bone-implantable Ti devices.
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Affiliation(s)
- Alexandra Arteaga
- Department of Bioengineering, The University of Texas at Dallas, Richardson, Texas75080, United States
| | - Dineli T S Ranathunga
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, Richardson, Texas75080, United States
| | - Jiayi Qu
- School of Dentistry, University of Texas Health San Antonio, San Antonio, Texas78229, United States
| | - Claudia C Biguetti
- School of Medicine, University of Texas Rio Grande Valley, Edinburg, Texas78539, United States
| | - Steven O Nielsen
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, Richardson, Texas75080, United States
| | - Danieli C Rodrigues
- Department of Bioengineering, The University of Texas at Dallas, Richardson, Texas75080, United States
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32
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Yang Y, Su S, Liu S, Liu W, Yang Q, Tian L, Tan Z, Fan L, Yu B, Wang J, Hu Y. Triple-functional bone adhesive with enhanced internal fixation, bacteriostasis and osteoinductive properties for open fracture repair. Bioact Mater 2023; 25:273-290. [PMID: 36825223 PMCID: PMC9941416 DOI: 10.1016/j.bioactmat.2023.01.021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2022] [Revised: 01/18/2023] [Accepted: 01/28/2023] [Indexed: 02/11/2023] Open
Abstract
At present, effective fixation and anti-infection implant materials represent the mainstay for the treatment of open fractures. However, external fixation can cause nail tract infections and is ineffective for fixing small fracture fragments. Moreover, closed reduction and internal fixation during the early stage of injury can lead to potential bone infection, conducive to bone nonunion and delayed healing. Herein, we designed a bone adhesive with anti-infection, osteogenic and bone adhesion fixation properties to promote reduction and fixation of open fractures and subsequent soft tissue repair. It was prepared by the reaction of gelatin (Gel) and oxidized starch (OS) with vancomycin (VAN)-loaded mesoporous bioactive glass nanoparticles (MBGNs) covalently cross-linked with Schiff bases. Characterization and adhesion experiments were conducted to validate the successful preparation of the Gel-OS/VAN@MBGNs (GOVM-gel) adhesive. Meanwhile, in vitro cell experiments demonstrated its good antibacterial effects with the ability to stimulate bone marrow mesenchymal stem cell (BMSCs) proliferation, upregulate the expression of alkaline phosphatase (ALP) and osteogenic proteins (RunX2 and OPN) and enhance the deposition of calcium nodules. Additionally, we established a rat skull fracture model and a subcutaneous infection model. The histological analysis showed that bone adhesive enhanced osteogenesis, and in vivo experiments demonstrated that the number of inflammatory cells and bacteria was significantly reduced. Overall, the adhesive could promote early reduction of fractures and antibacterial and osteogenic effects, providing the foothold for treatment of this patient population.
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Affiliation(s)
- Yusheng Yang
- Division of Orthopaedics and Traumatology, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, 510515, China
| | - Shenghui Su
- Department of Orthopaedics, Ningde Municipal Hospital, Ningde Normal University, Ningde, Fujian Province, 352100, China
| | - Shencai Liu
- Division of Orthopaedics Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, 510515, China
| | - Weilu Liu
- Division of Orthopaedics Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, 510515, China
| | - Qinfeng Yang
- Division of Orthopaedics Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, 510515, China
| | - Liangjie Tian
- Division of Orthopaedics and Traumatology, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, 510515, China
| | - Zilin Tan
- Department of General Surgery, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, 510515, China
| | - Lei Fan
- Division of Orthopaedics Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, 510515, China
| | - Bin Yu
- Division of Orthopaedics and Traumatology, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, 510515, China,Corresponding author.
| | - Jian Wang
- Division of Orthopaedics Surgery, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, 510515, China,Corresponding author.
| | - Yanjun Hu
- Division of Orthopaedics and Traumatology, Department of Orthopaedics, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong Province, 510515, China,Corresponding author.
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33
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Le Guilcher C, Merlen G, Dellaquila A, Labour MN, Aid R, Tordjmann T, Letourneur D, Simon-Yarza T. Engineered human liver based on pullulan-dextran hydrogel promotes mice survival after liver failure. Mater Today Bio 2023; 19:100554. [PMID: 36756209 PMCID: PMC9900439 DOI: 10.1016/j.mtbio.2023.100554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 01/15/2023] [Accepted: 01/17/2023] [Indexed: 01/20/2023] Open
Abstract
Liver tissue engineering approaches aim to support drug testing, assistance devices, or transplantation. However, their suitability for clinical application remains unsatisfactory. Herein, we demonstrate the beneficial and biocompatible use of porous pullulan-dextran hydrogel for the self-assembly of hepatocytes and biliary-like cells into functional 3D microtissues. Using HepaRG cells, we obtained 21 days maintenance of engineered liver polarity, functional detoxification and excretion systems, as well as glycogen storage in hydrogel. Implantation on two liver lobes in mice of hydrogels containing 3800 HepaRG 3D structures of 100 μm in diameter, indicated successful engraftment and no signs of liver toxicity after one month. Finally, after acetaminophen-induced liver failure, when mice were transplanted with engineered livers on left lobe and peritoneal cavity, the survival rate at 7 days significantly increased by 31.8% compared with mice without cell therapy. These findings support the clinical potential of pullulan-dextran hydrogel for liver failure management.
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Affiliation(s)
- Camille Le Guilcher
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM, LVTS, U1148, F-75018 Paris, France,Corresponding author.
| | - Grégory Merlen
- Université Paris-Saclay, INSERM U1193, F- 94800 Villejuif, France
| | - Alessandra Dellaquila
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM, LVTS, U1148, F-75018 Paris, France
| | - Marie-Noëlle Labour
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM, LVTS, U1148, F-75018 Paris, France,ICGM, Université de Montpellier, CNRS, ENSCM, F- 34293 Montpellier, France,École Pratique des Hautes Études, Université Paris Sciences et Lettres, F-75014 Paris, France
| | - Rachida Aid
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM, LVTS, U1148, F-75018 Paris, France
| | | | - Didier Letourneur
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM, LVTS, U1148, F-75018 Paris, France,Corresponding author.
| | - Teresa Simon-Yarza
- Université Paris Cité and Université Sorbonne Paris Nord, INSERM, LVTS, U1148, F-75018 Paris, France,Corresponding author.
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34
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Bechtler C, Koutsogiannaki S, Umnyakova E, Hamid A, Gautam A, Sarigiannis Y, Pouw RB, Lamers C, Rabbani S, Schmidt CQ, Lambris JD, Ricklin D. Complement-regulatory biomaterial coatings: Activity and selectivity profile of the factor H-binding peptide 5C6. Acta Biomater 2023; 155:123-138. [PMID: 36328123 DOI: 10.1016/j.actbio.2022.10.055] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Revised: 10/06/2022] [Accepted: 10/25/2022] [Indexed: 11/15/2022]
Abstract
The use of biomaterials in modern medicine has enabled advanced drug delivery strategies and led to reduced morbidity and mortality in a variety of interventions such as transplantation or hemodialysis. However, immune-mediated reactions still present a serious complication of these applications. One of the drivers of such reactions is the complement system, a central part of humoral innate immunity that acts as a first-in-line defense system in its own right but also coordinates other host defense responses. A major regulator of the complement system is the abundant plasma protein factor H (FH), which impairs the amplification of complement responses. Previously, we could show that it is possible to recruit FH to biomedical surfaces using the phage display-derived cyclic peptide 5C6 and, consequently, reduce deposition of C3b, an activation product of the complement system. However, the optimal orientation of 5C6 on surfaces, structural determinants within the peptide for the binding, and the exact binding region on FH remained unknown. Here, we show that the cyclic core and C-terminal region of 5C6 are essential for its interaction with FH and that coating through its N-terminus strongly increases FH recruitment and reduces C3-mediated opsonization in a microparticle-based assay. Furthermore, we could demonstrate that 5C6 selectively binds to FH but not to related proteins. The observation that 5C6 also binds murine FH raises the potential for translational evaluation in animal models. This work provides important insight for the future development of 5C6 as a probe or therapeutic entity to reduce complement activation on biomaterials. STATEMENT OF SIGNIFICANCE: Biomaterials have evolved into core technologies critical to biomedical and drug delivery applications alike, yet their safe and efficient use may be adversely impacted by immune responses to the foreign materials. Taking inspiration from microbial immune evasion strategies, our group developed a peptide-based surface coating that recruits factor H (FH), a host regulator of the complement system, from plasma to the material surface and prevents unwanted activation of this innate immunity pathway. In this study, we identified the molecular determinants that define the interaction between FH and the coated peptide, developed tethering strategies with largely enhanced binding capacity and provided important insight into the target selectivity and species specificity of the FH-binding peptide, thereby paving the way for preclinical development steps.
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Affiliation(s)
- Clément Bechtler
- Molecular Pharmacy Group, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland
| | - Sophia Koutsogiannaki
- Department of Pathology & Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, 422 Curie Blvd., Philadelphia, PA 19104, USA
| | - Ekaterina Umnyakova
- Molecular Pharmacy Group, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland
| | - Amal Hamid
- Molecular Pharmacy Group, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland
| | - Avneesh Gautam
- Department of Pathology & Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, 422 Curie Blvd., Philadelphia, PA 19104, USA
| | - Yiannis Sarigiannis
- Department of Pathology & Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, 422 Curie Blvd., Philadelphia, PA 19104, USA
| | - Richard B Pouw
- Molecular Pharmacy Group, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland
| | - Christina Lamers
- Molecular Pharmacy Group, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland
| | - Said Rabbani
- Molecular Pharmacy Group, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland
| | - Christoph Q Schmidt
- Institute of Experimental and Clinical Pharmacology, Toxicology and Pharmacology of Natural Products, University of Ulm Medical Center, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - John D Lambris
- Department of Pathology & Laboratory Medicine, Perelman School of Medicine, University of Pennsylvania, 422 Curie Blvd., Philadelphia, PA 19104, USA.
| | - Daniel Ricklin
- Molecular Pharmacy Group, Department of Pharmaceutical Sciences, University of Basel, Klingelbergstrasse 50, 4056 Basel, Switzerland.
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35
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Salthouse D, Novakovic K, Hilkens CMU, Ferreira AM. Interplay between biomaterials and the immune system: Challenges and opportunities in regenerative medicine. Acta Biomater 2023; 155:1-18. [PMID: 36356914 DOI: 10.1016/j.actbio.2022.11.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 10/17/2022] [Accepted: 11/01/2022] [Indexed: 11/09/2022]
Abstract
The use of biomaterials for tissue engineering and regenerative medicine applications has increased dramatically over recent years. However, the clinical uptake of a wide variety of biomaterials remains limited due to adverse effects commonly exhibited by patients, which are caused by the host immune response. Despite this, current in vitro evaluation standards (ISO-10993) for assessing the host response to biomaterials have limitations in predicting the likelihood of in vivo biomaterial acceptance. Furthermore, endotoxin contamination of biomaterials is rarely considered, despite its ability to significantly affect the performance of biomaterials and engineered tissues. This review highlights the importance of the immune response to biomaterials and discusses existing challenges and opportunities in the development and standardised assessment of the immune response to biomaterials, including the importance of endotoxin levels. In addition, the properties of biomaterials that impact the host immune response and the exploitation of immunomodulatory biomaterials in regenerative medicine are explored. Finally, a standardised in vitro pathway of evaluating the immune response to biomaterials (hydrogels) and their regenerative potential is proposed, aiming to ensure safety and consistency, while reducing costs and the use of animals in the biomaterials research for tissue engineering and regenerative medicine. STATEMENT OF SIGNIFICANCE: This review presents a critical analysis of the role of the interactions between the immune system and biomaterials in determining the therapeutic success of biomaterial-based approaches. No such review addressing the lack of understanding of biomaterial-immune system interactions during the developmental and pre-clinical stages of biomaterials, including the impact of the endotoxin levels of biomaterials on the immune response, is published. As there is a lack of in vitro regulations to evaluate the immune response to biomaterials, a standardised in vitro pathway to evaluate the immune response to biomaterials (hydrogels) and their immunomodulatory and regenerative potential for use in tissue engineering/regenerative medicine applications is presented. The aim of the proposed pathway of biomaterial evaluation is to ensure safety and consistency in the biomaterials research community, while reducing costs and animal use (through the concept of the 3R's - reduction, refinement, and replacement of animals).
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Affiliation(s)
- Daniel Salthouse
- School of Engineering, Newcastle University, Newcastle Upon Tyne, United Kingdom
| | - Katarina Novakovic
- School of Engineering, Newcastle University, Newcastle Upon Tyne, United Kingdom
| | - Catharien M U Hilkens
- Translational & Clinical Research Institute, Newcastle University, Newcastle upon Tyne, United Kingdom
| | - Ana Marina Ferreira
- School of Engineering, Newcastle University, Newcastle Upon Tyne, United Kingdom.
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36
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Saad A, Penaloza Arias C, Wang M, ElKashty O, Brambilla D, Tamimi F, Cerruti M. Biomimetic Strategy to Enhance Epithelial Cell Viability and Spreading on PEEK Implants. ACS Biomater Sci Eng 2022; 8:5129-5144. [PMID: 36453830 DOI: 10.1021/acsbiomaterials.2c00764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Abstract
Polyetheretherketone (PEEK) is a biocompatible material widely used in spinal and craniofacial implants, with potential use in percutaneous implants. However, its inertness prevents it from forming a tight seal with the surrounding soft tissue, which can lead to infections and implant failure. Conversely, the surface chemistry of percutaneous organs (i.e., teeth) helps establish a strong interaction with the epithelial cells of the contacting soft tissues, and hence a tight seal, preventing infection. The seal is created by adsorption of basement membrane (BM) proteins, secreted by epithelial cells, onto the percutaneous organ surfaces. Here, we aim to create a tight seal between PEEK and epithelial tissues by mimicking the surface chemistry of teeth. Our hypothesis is that collagen I, the most abundant tooth protein, enables integration between the epithelial tissue and teeth by promoting adsorption of BM proteins. To test this, we immobilized collagen I via EDC/NHS coupling on a carboxylated PEEK surface modified using diazonium chemistry. We used titanium alloy (Ti-6Al-4V) for comparison, as titanium is the most widely used percutaneous biomaterial. Both collagen-modified PEEK and titanium showed a larger adsorption of key BM proteins (laminin, nidogen, and fibronectin) compared to controls. Keratinocyte epithelial cell viability on collagen-modified PEEK was twice that of control PEEK and ∼1.5 times that of control titanium after 3 days of cell seeding. Both keratinocytes and fibroblasts spread more on collagen-modified PEEK and titanium compared to controls. This work introduces a versatile and biomimetic surface modification technique that may enhance PEEK-epithelial tissue sealing with the potential of extending PEEK applications to percutaneous implants, making it competitive with titanium.
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Affiliation(s)
- Ahmed Saad
- Department of Mining and Materials Engineering, McGill University, MontrealH3A 0C5, Québec, Canada
| | | | - Min Wang
- Faculty of Dentistry, McGill University, MontrealH3A 0C5, Québec, Canada
| | - Osama ElKashty
- Faculty of Dentistry, McGill University, MontrealH3A 0C5, Québec, Canada.,Department of Oral Pathology, Faculty of Dentistry, Mansoura University, Mansoura35516, Egypt
| | - Davide Brambilla
- Faculty of Pharmacy, Université de Montréal, MontréalH3T 1J4, Québec, Canada
| | - Faleh Tamimi
- Faculty of Dentistry, McGill University, MontrealH3A 0C5, Québec, Canada.,College of Dental Medicine, Qatar University, University Street, Doha2713, Qatar
| | - Marta Cerruti
- Department of Mining and Materials Engineering, McGill University, MontrealH3A 0C5, Québec, Canada
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37
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Carter SSD, Atif AR, Diez-Escudero A, Grape M, Ginebra MP, Tenje M, Mestres G. A microfluidic-based approach to investigate the inflammatory response of macrophages to pristine and drug-loaded nanostructured hydroxyapatite. Mater Today Bio 2022; 16:100351. [PMID: 35865408 PMCID: PMC9294551 DOI: 10.1016/j.mtbio.2022.100351] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2022] [Revised: 06/30/2022] [Accepted: 07/02/2022] [Indexed: 11/28/2022] Open
Abstract
The in vitro biological characterization of biomaterials is largely based on static cell cultures. However, for highly reactive biomaterials such as calcium-deficient hydroxyapatite (CDHA), this static environment has limitations. Drastic alterations in the ionic composition of the cell culture medium can negatively affect cell behavior, which can lead to misleading results or data that is difficult to interpret. This challenge could be addressed by a microfluidics-based approach (i.e. on-chip), which offers the opportunity to provide a continuous flow of cell culture medium and a potentially more physiologically relevant microenvironment. The aim of this work was to explore microfluidic technology for its potential to characterize CDHA, particularly in the context of inflammation. Two different CDHA substrates (chemically identical, but varying in microstructure) were integrated on-chip and subsequently evaluated. We demonstrated that the on-chip environment can avoid drastic ionic alterations and increase protein sorption, which was reflected in cell studies with RAW 264.7 macrophages. The cells grown on-chip showed a high cell viability and enhanced proliferation compared to cells maintained under static conditions. Whereas no clear differences in the secretion of tumor necrosis factor alpha (TNF-α) were found, variations in cell morphology suggested a more anti-inflammatory environment on-chip. In the second part of this study, the CDHA substrates were loaded with the drug Trolox. We showed that it is possible to characterize drug release on-chip and moreover demonstrated that Trolox affects the TNF-α secretion and morphology of RAW 264.7 cells. Overall, these results highlight the potential of microfluidics to evaluate (bioactive) biomaterials, both in pristine form and when drug-loaded. This is of particular interest for the latter case, as it allows the biological characterization and assessment of drug release to take place under the same dynamic in vitro environment.
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Affiliation(s)
- Sarah-Sophia D Carter
- Division of Biomedical Engineering, Department of Materials Science and Engineering, Science for Life Laboratory, Uppsala University, 751 22, Uppsala, Sweden
| | - Abdul-Raouf Atif
- Division of Biomedical Engineering, Department of Materials Science and Engineering, Science for Life Laboratory, Uppsala University, 751 22, Uppsala, Sweden
| | - Anna Diez-Escudero
- Ortholab, Department of Surgical Sciences-Orthopaedics, Uppsala University, Uppsala, 751 85, Sweden
| | - Maja Grape
- Division of Biomedical Engineering, Department of Materials Science and Engineering, Science for Life Laboratory, Uppsala University, 751 22, Uppsala, Sweden
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Departament de Ciència i Enginyeria de Materials, Universitat Politècnica de Catalunya (UPC), 08930, Barcelona, Spain.,Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya, 08930, Barcelona, Spain.,Institute for Bioengineering of Catalonia (IBEC), Barcelona Institute of Science and Technology (BIST), Baldiri Reixac 10-12, 08028, Barcelona, Spain
| | - Maria Tenje
- Division of Biomedical Engineering, Department of Materials Science and Engineering, Science for Life Laboratory, Uppsala University, 751 22, Uppsala, Sweden
| | - Gemma Mestres
- Division of Biomedical Engineering, Department of Materials Science and Engineering, Science for Life Laboratory, Uppsala University, 751 22, Uppsala, Sweden
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García-Arnáez I, Romero-Gavilán F, Cerqueira A, Elortza F, Azkargorta M, Muñoz F, Mata M, de Llano JM, Suay J, Gurruchaga M, Goñi I. Correlation between biological responses in vitro and in vivo to Ca-doped sol-gel coatings assessed using proteomic analysis. Colloids Surf B Biointerfaces 2022; 220:112962. [DOI: 10.1016/j.colsurfb.2022.112962] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2022] [Revised: 10/10/2022] [Accepted: 10/20/2022] [Indexed: 11/13/2022]
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Hricovíni M, Owens RJ, Bak A, Kozik V, Musiał W, Pierattelli R, Májeková M, Rodríguez Y, Musioł R, Slodek A, Štarha P, Piętak K, Słota D, Florkiewicz W, Sobczak-Kupiec A, Jampílek J. Chemistry towards Biology-Instruct: Snapshot. Int J Mol Sci 2022; 23:14815. [PMID: 36499140 PMCID: PMC9739621 DOI: 10.3390/ijms232314815] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/15/2022] [Accepted: 11/23/2022] [Indexed: 12/05/2022] Open
Abstract
The knowledge of interactions between different molecules is undoubtedly the driving force of all contemporary biomedical and biological sciences. Chemical biology/biological chemistry has become an important multidisciplinary bridge connecting the perspectives of chemistry and biology to the study of small molecules/peptidomimetics and their interactions in biological systems. Advances in structural biology research, in particular linking atomic structure to molecular properties and cellular context, are essential for the sophisticated design of new medicines that exhibit a high degree of druggability and very importantly, druglikeness. The authors of this contribution are outstanding scientists in the field who provided a brief overview of their work, which is arranged from in silico investigation through the characterization of interactions of compounds with biomolecules to bioactive materials.
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Affiliation(s)
- Miloš Hricovíni
- Institute of Chemistry, Slovak Academy of Sciences, Dúbravská cesta 9, 845 38 Bratislava, Slovakia
| | - Raymond J. Owens
- Structural Biology, The Rosalind Franklin Institute, Harwell Science Campus, UK, University of Oxford, Oxford OX11 0QS, UK
- Division of Structural Biology, The Wellcome Centre for Human Genetics, University of Oxford, Oxford OX3 7BN, UK
| | - Andrzej Bak
- Institute of Chemistry, University of Silesia, Szkolna 9, 40 007 Katowice, Poland
| | - Violetta Kozik
- Institute of Chemistry, University of Silesia, Szkolna 9, 40 007 Katowice, Poland
| | - Witold Musiał
- Department of Physical Chemistry and Biophysics, Pharmaceutical Faculty, Wroclaw Medical University, Borowska 211A, 50 556 Wrocław, Poland
| | - Roberta Pierattelli
- Magnetic Resonance Center and Department of Chemistry “Ugo Schiff”, University of Florence, 50019 Sesto Fiorentino, Italy
| | - Magdaléna Májeková
- Center of Experimental Medicine SAS and Department of Biochemical Pharmacology, Institute of Experimental Pharmacology and Toxicology, Slovak Academy of Sciences, Dubravska cesta 9, 841 04 Bratislava, Slovakia
| | - Yoel Rodríguez
- Department of Natural Sciences, Eugenio María de Hostos Community College, City University of New York, 500 Grand Concourse, Bronx, NY 10451, USA
- Department of Pharmacological Sciences, Icahn School of Medicine at Mount Sinai, 1425 Madison Avenue, New York, NY 10029, USA
| | - Robert Musioł
- Institute of Chemistry, University of Silesia, Szkolna 9, 40 007 Katowice, Poland
| | - Aneta Slodek
- Institute of Chemistry, University of Silesia, Szkolna 9, 40 007 Katowice, Poland
| | - Pavel Štarha
- Department of Inorganic Chemistry, Faculty of Science, Palacký University Olomouc, 17. listopadu 1192/12, 771 46 Olomouc, Czech Republic
| | - Karina Piętak
- Department of Materials Science, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31 864 Krakow, Poland
| | - Dagmara Słota
- Department of Materials Science, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31 864 Krakow, Poland
| | - Wioletta Florkiewicz
- Department of Materials Science, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31 864 Krakow, Poland
| | - Agnieszka Sobczak-Kupiec
- Department of Materials Science, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31 864 Krakow, Poland
| | - Josef Jampílek
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovičova 6, 842 15 Bratislava, Slovakia
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Abd Wahab MA, Mohd Yusof E, Ahmad R, Salleh MZ, Teh LK. Peri-implant Bone Healing: Its Basic Osteogenesis and Biomarkers. NOVEMBER ISSUE 2022; 18:324-331. [DOI: 10.47836/mjmhs.18.6.41] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
Abstract
The continuous sequence of bone healing phases starts off with osteoconduction to the implant surface, depending on the migration of osteogenic cells. Osteoneogenesis ensues resulting in a mineralised interfacial matrix and is followed by bone remodelling to the implant interface at discrete sites. Dental implant drilling procedure and placement produce osseous defect which is filled by blood. Within seconds, blood proteins are adsorbed onto the implant surface and platelets are activated resulting in the release of cytokines and growth factors. Further platelet aggregation initiates osteoconduction to the surface, followed by osteoneogenesis, forming an extracellular matrix. Subsequently, remodelling creates a bone to implant interface which can be explained through distance and contact osteogenesis. The dental implant surface has been shown to influence osteoconduction by modifying protein properties and adsorption around the implant. Salivary biomarkers may be considered as a specific and sensitive diagnostic tool to detect these changes in protein expressions after implant placement. Thus, the purpose of this narrative review is to provide a detailed account of the bone healing mechanism associated with dental implant placement, as well as how the implant surface architecture and protein release play a role in bone healing, and the potential use of saliva to detect these biomarkers.
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Fuentes E, Gabaldón Y, Collado M, Dhiman S, Berrocal JA, Pujals S, Albertazzi L. Supramolecular Stability of Benzene-1,3,5-tricarboxamide Supramolecular Polymers in Biological Media: Beyond the Stability–Responsiveness Trade-off. J Am Chem Soc 2022; 144:21196-21205. [DOI: 10.1021/jacs.2c08528] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Affiliation(s)
- Edgar Fuentes
- Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain
- Institute for Bioengineering of Catalonia, The Barcelona Institute of Science and Technology, Baldiri Reixac 15-21, 08028 Barcelona, Spain
| | - Yeray Gabaldón
- Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain
- Institute for Bioengineering of Catalonia, The Barcelona Institute of Science and Technology, Baldiri Reixac 15-21, 08028 Barcelona, Spain
| | - Mario Collado
- Institute for Bioengineering of Catalonia, The Barcelona Institute of Science and Technology, Baldiri Reixac 15-21, 08028 Barcelona, Spain
| | - Shikha Dhiman
- Laboratory of Macromolecular and Organic Chemistry, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands
- Institute of Complex Molecular Systems, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands
| | - José Augusto Berrocal
- Adolphe Merkle Institute, University of Fribourg, Chemin des Verdiers 4, 1700 Fribourg, Switzerland
| | - Silvia Pujals
- Department of Biological Chemistry, Institute for Advanced Chemistry of Catalonia (IQAC-CSIC), Jordi Girona 18-26, 08034 Barcelona, Spain
- Institute for Bioengineering of Catalonia, The Barcelona Institute of Science and Technology, Baldiri Reixac 15-21, 08028 Barcelona, Spain
| | - Lorenzo Albertazzi
- Institute of Complex Molecular Systems, Eindhoven University of Technology, P. O. Box 513, 5600 MB Eindhoven, The Netherlands
- Department of Biomedical Engineering, Eindhoven University of Technology, P. O. Box 513, 5612 AZ Eindhoven, The Netherlands
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Coron A, Fonseca DM, Sharma A, Slupphaug G, Strand BL, Rokstad AMA. MS-proteomics provides insight into the host responses towards alginate microspheres. Mater Today Bio 2022; 17:100490. [DOI: 10.1016/j.mtbio.2022.100490] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 11/08/2022] [Accepted: 11/09/2022] [Indexed: 11/13/2022] Open
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Provisional Matrix Formation at Implant Surfaces—The Bridging Role of Calcium Ions. Cells 2022; 11:cells11193048. [PMID: 36231011 PMCID: PMC9563433 DOI: 10.3390/cells11193048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2022] [Revised: 09/19/2022] [Accepted: 09/26/2022] [Indexed: 11/17/2022] Open
Abstract
The success of dental implants lies in their strong and lasting integration into the patient’s receiving bone. The first biological interactions at the implant surface determine the subsequent evolution of the integration process. In this study we set our objective to analyze the mechanistic interaction of the early regenerative matrix at implant surfaces modified with calcium ions (Ca) as compared to standard implant surfaces (NoCa). We put the surfaces in a Quartz Crystal Microbalance with Dissipation (QCM-D) to monitor the frequency shift (f) and the viscoelastic properties of the adsorbed biofilms and used Scanning Electron Microscopy (SEM) to visualize the resulting interfaces. Upon the addition of human blood plasma, Ca surfaces formed an adsorbed three-dimensional film attached to the surface (∆f = −40 Hz), while with NoCa, the biofilm formed but was not attached to the surface (∆f = 0 Hz). After 20 min in blood, two representative commercial implants with Ca and NoCa surfaces showed also distinct interfaces: Ca implants formed a visible clot attached to the implant which was composed mainly of platelets (Surface Coverage: 40 ± 20%) and some red blood cells (SC: 9 ± 3%) entrapped within a fibrin network (SC: 93 ± 5%). The NoCa implants were largely populated by red blood cells (SC: 67 ± 12%) with scarce fibrin remnants (SC: 3 ± 2%), and the implants showed no clot on their surfaces macroscopically. The pre-clinical and clinical results discussed in this work encourage the modification of titanium implant surfaces with calcium ions to improve the bone regenerative process. Taken together, these results add more information about the roles of Ca ions in bridging the formation of the provisional matrix at implant surfaces and their effects on implant osseointegration.
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Albumin as a Biomaterial and Therapeutic Agent in Regenerative Medicine. Int J Mol Sci 2022; 23:ijms231810557. [PMID: 36142472 PMCID: PMC9502107 DOI: 10.3390/ijms231810557] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2022] [Revised: 08/31/2022] [Accepted: 09/06/2022] [Indexed: 02/07/2023] Open
Abstract
Albumin is a constitutional plasma protein, with well-known biological functions, e.g., a nutrient for stem cells in culture. However, albumin is underutilized as a biomaterial in regenerative medicine. This review summarizes the advanced therapeutic uses of albumin, focusing on novel compositions that take advantage of the excellent regenerative potential of this protein. Albumin coating can be used for enhancing the biocompatibility of various types of implants, such as bone grafts or sutures. Albumin is mainly known as an anti-attachment protein; however, using it on implantable surfaces is just the opposite: it enhances stem cell adhesion and proliferation. The anticoagulant, antimicrobial and anti-inflammatory properties of albumin allow fine-tuning of the biological reaction to implantable tissue-engineering constructs. Another potential use is combining albumin with natural or synthetic materials that results in novel composites suitable for cardiac, neural, hard and soft tissue engineering. Recent advances in materials have made it possible to electrospin the globular albumin protein, opening up new possibilities for albumin-based scaffolds for cell therapy. Several described technologies have already entered the clinical phase, making good use of the excellent biological, but also regulatory, manufacturing and clinical features of serum albumin.
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Huang B, Li M, Mo H, Chen C, Chen K. Effects of Substitution Ratios of Zinc-Substituted Hydroxyapatite on Adsorption and Desorption Behaviors of Bone Morphogenetic Protein-2. Int J Mol Sci 2022; 23:ijms231710144. [PMID: 36077541 PMCID: PMC9456158 DOI: 10.3390/ijms231710144] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 08/31/2022] [Accepted: 08/31/2022] [Indexed: 12/15/2022] Open
Abstract
Understanding interactions between bone morphogenetic proteins (BMPs) and biomaterials is of great significance in preserving the structure and bioactivity of BMPs when utilized in clinical applications. Currently, bone morphogenetic protein-2 (BMP-2) is one of the most important growth factors in bone tissue engineering; however, atomistic interactions between BMP-2 and zinc-substituted hydroxyapatite (Zn-HAP, commonly used in artificial bone implants) have not been well clarified until now. Thus, in this work, the interaction energies, binding/debinding states, and molecular structures of BMP-2 upon a series of Zn-HAP surfaces (Zn-HAPs, 1 at%, 2.5 at%, 5 at%, and 10 at% substitution) were investigated by hybrid molecular dynamics (MD) and steered molecular dynamics (SMD) simulations. Meanwhile, cellular studies including alkaline phosphatase (ALP) activity and reverse transcription-polymerase chain reaction (RT-PCR) assay were performed to verify the theoretical modeling findings. It was found that, compared to pure HAP, Zn-HAPs exhibited a higher binding affinity of BMP-2 at the adsorption process; meanwhile, the detachment of BMP-2 upon Zn-HAPs was more difficult at the desorption process. In addition, molecular structures of BMP-2 could be well stabilized upon Zn-HAPs, especially for Zn10-HAP (with a 10 at% substitution), which showed both the higher stability of cystine-knots and less change in the secondary structures of BMP-2 than those upon HAP. Cellular studies confirmed that higher ALP activity and osteogenic marker gene expression were achieved upon BMP-2/Zn-HAPs than those upon BMP-2/HAP. These findings verified that Zn-HAPs favor the adsorption of BMP-2 and leverage the bioactivity of BMP-2. Together, this work clarified the interaction mechanisms between BMP-2 and Zn-HAPs at the atom level, which could provide new molecular-level insights into the design of BMP-2-loaded biomaterials for bone tissue engineering.
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Cerqueira A, García-Arnáez I, Muriach M, Azkargorta M, Elortza F, Izquierdo R, Romero-Gavilán F, Gurruchaga M, Suay J, Goñi I. The effect of calcium-magnesium mixtures in sol-gel coatings on bone tissue regeneration. Biomater Sci 2022; 10:5634-5647. [PMID: 35993129 DOI: 10.1039/d2bm00742h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Calcium and magnesium are two elements essential for bone structure and metabolism. However, their synergistic or competitive effects on bone regeneration are often overlooked during biomaterial development. We examined the interactions between Ca and Mg in sol-gel coatings doped with mixtures of CaCl2 (0.5%) and MgCl2 (0.5, 1, and 1.5%). After physicochemical characterisation, the materials were incubated in vitro with MC3T3-E1 osteoblastic cells and RAW264.7 macrophages, and the protein adsorption was analysed using nLC-MS/MS. The incorporation of the ions did not lead to the formation of crystalline structures and did not affect the sol-gel network cross-linking. The release of the ions did not cause cytotoxic effects at any tested concentration. The proteomic analysis showed that adding the Ca and Mg ions elevated the adsorption of proteins associated with inflammatory response regulation (e.g., ALBU, CLUS, HPT, HPTR, A1AG1 and A1AG2) but decreased the adsorption of immunoglobulins. The CaMg coatings had reduced affinity to proteins associated with coagulation (e.g., FA9, FA10, FA11, FA12) but increased the adsorption of proteins involved in cell adhesion (DSG1, DESP, FBLN1, ZA2G). In vitro assays revealed that the cellular response was affected by changing the concentration of Mg. Moreover, our results show that these differences reflect the changes in the concentrations of both ions in the mix but are not a simple additive effect.
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Affiliation(s)
- Andreia Cerqueira
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain.
| | - Iñaki García-Arnáez
- Departament of Science and Technology of Polymers, Universidad del País Vasco, P. M. de Lardizábal, 3, 20018 San Sebastián, Spain
| | - María Muriach
- Deparment of Medicine, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain
| | - Mikel Azkargorta
- Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, ProteoRed-ISCIII, Bizkaia Science and Technology Park, 48160 Derio, Spain
| | - Félix Elortza
- Proteomics Platform, CIC bioGUNE, Basque Research and Technology Alliance (BRTA), CIBERehd, ProteoRed-ISCIII, Bizkaia Science and Technology Park, 48160 Derio, Spain
| | - Raúl Izquierdo
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain.
| | - Francisco Romero-Gavilán
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain.
| | - Mariló Gurruchaga
- Departament of Science and Technology of Polymers, Universidad del País Vasco, P. M. de Lardizábal, 3, 20018 San Sebastián, Spain
| | - Julio Suay
- Department of Industrial Systems Engineering and Design, Universitat Jaume I, Av. Vicent Sos Baynat s/n, 12071 Castellón de la Plana, Spain.
| | - Isabel Goñi
- Departament of Science and Technology of Polymers, Universidad del País Vasco, P. M. de Lardizábal, 3, 20018 San Sebastián, Spain
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Electrogalvanism in Oral Implantology: A Systematic Review. Int J Dent 2022; 2022:4575416. [PMID: 36034476 PMCID: PMC9410998 DOI: 10.1155/2022/4575416] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2022] [Accepted: 07/12/2022] [Indexed: 11/17/2022] Open
Abstract
Purpose The objective of this work is to study galvanic corrosion of different couples of prosthetic and implant alloys through the realization of a systematic review. Materials and Methods An electronic search was performed on Pubmed, Google Scholar, Scopus, ScienceDirect, EbscoHost, and Web of Science for published studies related to electrogalvanism in oral implantology. The keywords used were “dental implants” and “galvanic corrosion.” Two independent readers read the scientific articles. Results From 65 articles initially identified, only 19 articles met the eligibility criteria. The evaluation of the selected articles allowed us to determine the parameters compared, such as the resistance to galvanic corrosion, the influence of fluorine and pH on the electrochemical behavior, and the release of metal ions and their cytotoxicity. Indeed, Ti6Al4V and precious alloys coupled to titanium were found to be the most resistant to galvanic corrosion, followed by cobalt-chromium alloys and nickel-chromium alloys which were least resistant. This resistance decreases with increasing fluorine concentration and with decreasing pH of the environment. Discussion. The implant-prosthetic system's galvanic resistance is influenced by many intrinsic factors: alloy composition and surface condition, as well as extrinsic factors such as pH variations and amount of fluorine. The effects of oral electrogalvanism are essentially the result of two main criteria: effects due to electric currents generated by corrosion and effects due to the release of metal ions by corrosion. Conclusion To avoid this phenomenon, it is wise to follow the proposed recommendations such as the use of the minimum of distinct metals as much as possible, favoring the commercially pure titanium implant of Ti6Al4V, opting for the choice of couples, titanium/titanium, favoring daily mouthwashes of 227 ppm of fluoride, and avoiding fluorinated acid solutions.
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Hassan S, Sabreena, Khurshid Z, Bhat SA, Kumar V, Ameen F, Ganai BA. Marine Bacteria and Omic Approaches: A Novel and Potential Repository for Bioremediation Assessment. J Appl Microbiol 2022; 133:2299-2313. [PMID: 35818751 DOI: 10.1111/jam.15711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/15/2022] [Accepted: 07/01/2022] [Indexed: 10/17/2022]
Abstract
Marine environments accommodating diverse assortments of life constitute a great pool of differentiated natural resources. The cumulative need to remedy unpropitious effects of anthropogenic activities on estuaries, and coastal marine ecosystems has propelled the development of effective bioremediation strategies. Marine bacteria producing biosurfactants are promising agents for bio-remediating oil pollution in marine environments, making them prospective candidates for enhancing oil recovery. Molecular omics technologies are considered an emerging field of research in ecological and diversity assessment owing to their utility in environmental surveillance and bioremediation of polluted sites. A thorough literature review was undertaken to understand the applicability of different omic techniques employed for bioremediation assessment using marine bacteria. This review further establishes that for bioremediation of environmental pollutants (i.e., heavy metals, hydrocarbons, xenobiotic and numerous recalcitrant compounds), organisms isolated from marine environments can be better utilized for their removal. The literature survey shows that omics approaches can provide exemplary knowledge about microbial communities and their role in the bioremediation of environmental pollutants. This review centres on applications of marine bacteria in enhanced bioremediation, utilizing the omics approaches that can be a vital biological contrivance in environmental monitoring to tackle environmental degradation. The paper aims to identify the gaps in investigations involving marine bacteria to help researchers, ecologists, and decision-makers to develop a holistic understanding regarding their utility in bioremediation assessment.
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Affiliation(s)
- Shahnawaz Hassan
- Department of Environmental Science, University of Kashmir, India
| | - Sabreena
- Department of Environmental Science, University of Kashmir, India
| | | | | | - Vineet Kumar
- Department of Botany, Guru Ghasidas Vishwavidyalaya (A Central University), Bilaspur, Chhattisgarh-495009, India
| | - Fuad Ameen
- Department of Botany and Microbiology, College of Science, King Saud University, Riyadh, Saudi Arabia
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Strategies for the Biofunctionalization of Straining Flow Spinning Regenerated Bombyx mori Fibers. Molecules 2022; 27:molecules27134146. [PMID: 35807389 PMCID: PMC9267934 DOI: 10.3390/molecules27134146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 06/24/2022] [Accepted: 06/25/2022] [Indexed: 11/16/2022] Open
Abstract
High-performance regenerated silkworm (Bombyx mori) silk fibers can be produced efficiently through the straining flow spinning (SFS) technique. In addition to an enhanced biocompatibility that results from the removal of contaminants during the processing of the material, regenerated silk fibers may be functionalized conveniently by using a range of different strategies. In this work, the possibility of implementing various functionalization techniques is explored, including the production of fluorescent fibers that may be tracked when implanted, the combination of the fibers with enzymes to yield fibers with catalytic properties, and the functionalization of the fibers with cell-adhesion motifs to modulate the adherence of different cell lineages to the material. When considered globally, all these techniques are a strong indication not only of the high versatility offered by the functionalization of regenerated fibers in terms of the different chemistries that can be employed, but also on the wide range of applications that can be covered with these functionalized fibers.
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