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Xu J, Bao G, Jia B, Wang M, Wen P, Kan T, Zhang S, Liu A, Tang H, Yang H, Yue B, Dai K, Zheng Y, Qu X. An adaptive biodegradable zinc alloy with bidirectional regulation of bone homeostasis for treating fractures and aged bone defects. Bioact Mater 2024; 38:207-224. [PMID: 38756201 PMCID: PMC11096722 DOI: 10.1016/j.bioactmat.2024.04.027] [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: 03/01/2024] [Revised: 04/23/2024] [Accepted: 04/23/2024] [Indexed: 05/18/2024] Open
Abstract
Healing of fractures or bone defects is significantly hindered by overactivated osteoclasts and inhibited osteogenesis in patients with abnormal bone metabolism. Current clinical approaches using titanium alloys or stainless steel provide mechanical support but have no biological effects on bone regeneration. Therefore, designing and fabricating degradable metal materials with sufficient mechanical strength and bidirectional regulation of both osteoblasts and osteoclasts is a substantial challenge. Here, this study first reported an adaptive biodegradable Zn-0.8 Mg alloy with bidirectional regulation of bone homeostasis, which promotes osteogenic differentiation by activating the Pi3k/Akt pathway and inhibits osteoclast differentiation by inhibiting the GRB2/ERK pathway. The anti-osteolytic ability of the Zn-0.8 Mg alloy was verified in a mouse calvarial osteolysis model and its suitability for internal fracture fixation with high-strength screws was confirmed in the rabbit femoral condyle fracture model. Furthermore, in an aged postmenopausal rat femoral condyle defect model, 3D printed Zn-0.8 Mg scaffolds promoted excellent bone regeneration through adaptive structures with good mechanical properties and bidirectionally regulated bone metabolism, enabling personalized bone defect repair. These findings demonstrate the substantial potential of the Zn-0.8 Mg alloy for treating fractures or bone defects in patients with aberrant bone metabolism.
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Affiliation(s)
- Jialian Xu
- Department of Bone and Joint Surgery, Department of Orthopedics, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200001, China
| | - Guo Bao
- Laboratory Animal centre, National Research Institute for Family Planning, Beijing, 100081, China
| | - Bo Jia
- Department of Bone and Joint Surgery, Department of Orthopedics, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200001, China
| | - Minqi Wang
- Department of Bone and Joint Surgery, Department of Orthopedics, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200001, China
| | - Peng Wen
- Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, China
| | - Tianyou Kan
- Department of Bone and Joint Surgery, Department of Orthopedics, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200001, China
| | - Shutao Zhang
- Department of Bone and Joint Surgery, Department of Orthopedics, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200001, China
| | - Aobo Liu
- Department of Mechanical Engineering, Tsinghua University, Beijing, 100084, China
| | - Haozheng Tang
- Department of Bone and Joint Surgery, Department of Orthopedics, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200001, China
| | - Hongtao Yang
- School of Engineering Medicine, Beihang University, Beijing, 100191, China
| | - Bing Yue
- Department of Bone and Joint Surgery, Department of Orthopedics, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200001, China
| | - Kerong Dai
- Department of Orthopedics, Shanghai Key Laboratory of Orthopedic Implant, Shanghai Ninth People's Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, 200011, China
| | - Yufeng Zheng
- School of Materials Science and Engineering, Peking University, Beijing, 100871, China
| | - Xinhua Qu
- Department of Bone and Joint Surgery, Department of Orthopedics, Renji Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, 200001, China
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Zheng H, Liu J, Sun L, Meng Z. The role of N-acetylcysteine in osteogenic microenvironment for bone tissue engineering. Front Cell Dev Biol 2024; 12:1435125. [PMID: 39055649 PMCID: PMC11269162 DOI: 10.3389/fcell.2024.1435125] [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: 05/19/2024] [Accepted: 06/27/2024] [Indexed: 07/27/2024] Open
Abstract
Bone defect is a common clinical symptom which can arise from various causes. Currently, bone tissue engineering has demonstrated positive therapeutic effects for bone defect repair by using seeding cells such as mesenchymal stem cells and precursor cells. N-acetylcysteine (NAC) is a stable, safe and highly bioavailable antioxidant that shows promising prospects in bone tissue engineering due to the ability to attenuate oxidative stress and enhance the osteogenic potential and immune regulatory function of cells. This review systematically introduces the antioxidant mechanism of NAC, analyzes the advancements in NAC-related research involving mesenchymal stem cells, precursor cells, innate immune cells and animal models, discusses its function using the classic oral microenvironment as an example, and places particular emphasis on the innovative applications of NAC-modified tissue engineering biomaterials. Finally, current limitations and future prospects are proposed, with the aim of providing inspiration for targeted readers in the field.
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Affiliation(s)
- Haowen Zheng
- School of Dentistry, Tianjin Medical University, Tianjin, China
| | - Jiacheng Liu
- School of Dentistry, Tianjin Medical University, Tianjin, China
- Department of Prosthodontics, Tianjin Medical University School and Hospital of Stomatology, Tianjin, China
| | - Lanxin Sun
- School of Dentistry, Tianjin Medical University, Tianjin, China
| | - Zhaosong Meng
- Department of Oral and Maxillofacial Surgery, Tianjin Medical University School and Hospital of Stomatology, Tianjin, China
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Swarupa S, Thareja P. Techniques, applications and prospects of polysaccharide and protein based biopolymer coatings: A review. Int J Biol Macromol 2024; 266:131104. [PMID: 38522703 DOI: 10.1016/j.ijbiomac.2024.131104] [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: 07/12/2023] [Revised: 03/20/2024] [Accepted: 03/21/2024] [Indexed: 03/26/2024]
Abstract
The growing relevance of sustainable materials has recently led to the exploration of naturally derived biopolymeric hydrogels as coating materials due to their biodegradability, biocompatibility, ease of fabrication and modification. Although many review articles exist on biopolymeric coatings, they mainly focus on a specific polysaccharide, protein biopolymer, or a particular application- biomedical engineering or food preservation. The current review first summarizes the commonly used polysaccharide and protein-based biopolymers like chitosan, alginate, carrageenan, pectin, cellulose, starch, pullulan, agarose and silk fibroin, gelatin, respectively, with a systematic description of the techniques widely used for physical coating on substrates. Then, broad applications of these biopolymeric coatings on various substrates in biomedical engineering- 3D scaffolds, biomedical implants, and nanoparticles are described in detail. It also entails the application of biopolymeric coatings for food preservation in the form of food packaging and edible coatings. A brief discussion on the newly discovered interest in exploring biopolymers for anticorrosive coating applications is also included. Finally, concluding remarks on the role of biopolymer microstructures in forming homogeneous coatings, prospective alternatives to the currently used biopolymers as coating material and the advent of computer-aided technologies to expedite experimental findings are presented.
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Affiliation(s)
- Sanchari Swarupa
- Biological Sciences and Engineering, IIT Gandhinagar, Palaj, Gujarat 382355, India
| | - Prachi Thareja
- Chemical Engineering, Dr. Kiran C. Patel Centre for Sustainable Development, IIT Gandhinagar, Palaj, Gujarat 382355, India.
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4
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Yang Z, Jaiswal A, Yin Q, Lin X, Liu L, Li J, Liu X, Xu Z, Li JJ, Yong KT. Chiral nanomaterials in tissue engineering. NANOSCALE 2024; 16:5014-5041. [PMID: 38323627 DOI: 10.1039/d3nr05003c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/08/2024]
Abstract
Addressing significant medical challenges arising from tissue damage and organ failure, the field of tissue engineering has evolved to provide revolutionary approaches for regenerating functional tissues and organs. This involves employing various techniques, including the development and application of novel nanomaterials. Among them, chiral nanomaterials comprising non-superimposable nanostructures with their mirror images have recently emerged as innovative biomaterial candidates to guide tissue regeneration due to their unique characteristics. Chiral nanomaterials including chiral fibre supramolecular hydrogels, polymer-based chiral materials, self-assembling peptides, chiral-patterned surfaces, and the recently developed intrinsically chiroptical nanoparticles have demonstrated remarkable ability to regulate biological processes through routes such as enantioselective catalysis and enhanced antibacterial activity. Despite several recent reviews on chiral nanomaterials, limited attention has been given to the specific potential of these materials in facilitating tissue regeneration processes. Thus, this timely review aims to fill this gap by exploring the fundamental characteristics of chiral nanomaterials, including their chiroptical activities and analytical techniques. Also, the recent advancements in incorporating these materials in tissue engineering applications are highlighted. The review concludes by critically discussing the outlook of utilizing chiral nanomaterials in guiding future strategies for tissue engineering design.
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Affiliation(s)
- Zhenxu Yang
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.
- The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
- The Biophotonics and Mechanobioengineering Laboratory, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Arun Jaiswal
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.
- The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
- The Biophotonics and Mechanobioengineering Laboratory, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Qiankun Yin
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.
- The Biophotonics and Mechanobioengineering Laboratory, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Xiaoqi Lin
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Lu Liu
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Jiarong Li
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Xiaochen Liu
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.
- The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
- The Biophotonics and Mechanobioengineering Laboratory, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Zhejun Xu
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.
- The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
- The Biophotonics and Mechanobioengineering Laboratory, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
| | - Jiao Jiao Li
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.
- The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
- School of Biomedical Engineering, Faculty of Engineering and IT, University of Technology Sydney, Sydney, New South Wales 2007, Australia
| | - Ken-Tye Yong
- School of Biomedical Engineering, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia.
- The University of Sydney Nano Institute, The University of Sydney, Sydney, New South Wales 2006, Australia
- The Biophotonics and Mechanobioengineering Laboratory, Faculty of Engineering, The University of Sydney, Sydney, New South Wales 2006, Australia
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Hahn J, Gögele C, Schulze-Tanzil G. Could an Anterior Cruciate Ligament Be Tissue-Engineered from Silk? Cells 2023; 12:2350. [PMID: 37830564 PMCID: PMC10571837 DOI: 10.3390/cells12192350] [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: 08/30/2023] [Revised: 09/21/2023] [Accepted: 09/22/2023] [Indexed: 10/14/2023] Open
Abstract
Silk has a long history as an exclusive textile, but also as a suture thread in medicine; nowadays, diverse cell carriers are manufactured from silk. Its advantages are manifold, including high biocompatibility, biomechanical strength and processability (approved for nearly all manufacturing techniques). Silk's limitations, such as scarcity and batch to batch variations, are overcome by gene technology, which allows for the upscaled production of recombinant "designed" silk proteins. For processing thin fibroin filaments, the sericin component is generally removed (degumming). In contrast to many synthetic biomaterials, fibroin allows for superior cell adherence and growth. In addition, silk grafts demonstrate superior mechanical performance and long-term stability, making them attractive for anterior cruciate ligament (ACL) tissue engineering. Looking at these promising properties, this review focusses on the responses of cell types to silk variants, as well as their biomechanical properties, which are relevant for ACL tissue engineering. Meanwhile, sericin has also attracted increasing interest and has been proposed as a bioactive biomaterial with antimicrobial properties. But so far, fibroin was exclusively used for experimental ACL tissue engineering approaches, and fibroin from spider silk also seems not to have been applied. To improve the bone integration of ACL grafts, silk scaffolds with osteogenic functionalization, silk-based tunnel fillers and interference screws have been developed. Nevertheless, signaling pathways stimulated by silk components remain barely elucidated, but need to be considered during the development of optimized silk cell carriers for ACL tissue engineering.
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Affiliation(s)
- Judith Hahn
- Workgroup BioEngineering, Institute of Polymer Materials, Leibniz-Institut für Polymerforschung Dresden e.V. (IPF), Hohe Straße 6, 01069 Dresden, Germany;
| | - Clemens Gögele
- Institute of Anatomy and Cell Biology, Paracelsus Medical University, Nuremberg and Salzburg, Prof. Ernst Nathan Str. 1, 90419 Nuremberg, Germany;
| | - Gundula Schulze-Tanzil
- Institute of Anatomy and Cell Biology, Paracelsus Medical University, Nuremberg and Salzburg, Prof. Ernst Nathan Str. 1, 90419 Nuremberg, Germany;
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Zhang Y, Sheng R, Chen J, Wang H, Zhu Y, Cao Z, Zhao X, Wang Z, Liu C, Chen Z, Zhang P, Kuang B, Zheng H, Shen C, Yao Q, Zhang W. Silk Fibroin and Sericin Differentially Potentiate the Paracrine and Regenerative Functions of Stem Cells Through Multiomics Analysis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2023; 35:e2210517. [PMID: 36915982 DOI: 10.1002/adma.202210517] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/13/2022] [Revised: 02/08/2023] [Indexed: 05/19/2023]
Abstract
Silk fibroin (SF) and sericin (SS), the two major proteins of silk, are attractive biomaterials with great potential in tissue engineering and regenerative medicine. However, their biochemical interactions with stem cells remain unclear. In this study, multiomics are employed to obtain a global view of the cellular processes and pathways of mesenchymal stem cells (MSCs) triggered by SF and SS to discern cell-biomaterial interactions at an in-depth, high-throughput molecular level. Integrated RNA sequencing and proteomic analysis confirm that SF and SS initiate widespread but distinct cellular responses and potentiate the paracrine functions of MSCs that regulate extracellular matrix deposition, angiogenesis, and immunomodulation through differentially activating the integrin/PI3K/Akt and glycolysis signaling pathways. These paracrine signals of MSCs stimulated by SF and SS effectively improve skin regeneration by regulating the behavior of multiple resident cells (fibroblasts, endothelial cells, and macrophages) in the skin wound microenvironment. Compared to SS, SF exhibits better immunomodulatory effects in vitro and in vivo, indicating its greater potential as a carrier material of MSCs for skin regeneration. This study provides comprehensive and reliable insights into the cellular interactions with SF and SS, enabling the future development of silk-based therapeutics for tissue engineering and stem cell therapy.
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Affiliation(s)
- Yanan Zhang
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Renwang Sheng
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Jialin Chen
- School of Medicine, Southeast University, Nanjing, 210009, China
- Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing, 210096, China
- China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, 310058, China
| | - Hongmei Wang
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Yue Zhu
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Zhicheng Cao
- School of Medicine, Southeast University, Nanjing, 210009, China
- Department of Orthopaedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, 210006, China
| | - Xinyi Zhao
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Zhimei Wang
- Jiangsu Province Hi-Tech Key Laboratory for Biomedical Research, and School of Chemistry and Chemical Engineering, Southeast University, Nanjing, 211189, China
| | - Chuanquan Liu
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Zhixuan Chen
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Po Zhang
- School of Medicine, Southeast University, Nanjing, 210009, China
- Department of Orthopaedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, 210006, China
| | - Baian Kuang
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Haotian Zheng
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Chuanlai Shen
- School of Medicine, Southeast University, Nanjing, 210009, China
| | - Qingqiang Yao
- China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, 310058, China
- Department of Orthopaedic Surgery, Institute of Digital Medicine, Nanjing First Hospital, Nanjing Medical University, Nanjing, Jiangsu, 210006, China
| | - Wei Zhang
- School of Medicine, Southeast University, Nanjing, 210009, China
- Jiangsu Key Laboratory for Biomaterials and Devices, Southeast University, Nanjing, 210096, China
- China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, 310058, China
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Phimnuan P, Dirand Z, Tissot M, Worasakwutiphong S, Sittichokechaiwut A, Grandmottet F, Viyoch J, Viennet C. Beneficial Effects of a Blended Fibroin/Aloe Gel Extract Film on the Biomolecular Mechanism(s) via the MAPK/ERK Pathway Relating to Diabetic Wound Healing. ACS OMEGA 2023; 8:6813-6824. [PMID: 36844531 PMCID: PMC9948169 DOI: 10.1021/acsomega.2c07507] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 01/23/2023] [Indexed: 06/18/2023]
Abstract
In diabetic patients, the process of wound healing is usually delayed or impaired. A diabetic environment could be associated with dermal fibroblast dysfunction, reduced angiogenesis, the release of excessive proinflammatory cytokines, and senescence features. Alternative therapeutic treatments using natural products are highly demanded for their high potential of bioactive activity in skin repair. Two natural extracts were combined to develop fibroin/aloe gel wound dressing. Our previous studies revealed that the prepared film enhances the healing rate of diabetic foot ulcers (DFUs). Moreover, we aimed to explore its biological effects and underlying biomolecular mechanisms on normal dermal, diabetic dermal, and diabetic wound fibroblasts. Cell culture experiments showed that the γ-irradiated blended fibroin/aloe gel extract film promotes skin wound healing by enhancing cell proliferation and migration, vascular epidermal growth factor (VEGF) secretion, and cell senescence prevention. Its action was mainly linked to the activation of the mitogen-activated protein kinases/extracellular signal-regulated kinase (MAPK/ERK) signaling pathway known to regulate various cellular activities, including proliferation. Therefore, the findings of this study confirm and support our previous data. The blended fibroin/aloe gel extract film displays a biological behavior with favorable properties for delayed wound healing and can be considered as a promising therapeutic approach in the treatment of diabetic nonhealing ulcers.
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Affiliation(s)
- Preeyawass Phimnuan
- Department
of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences and
Center of Excellence for Innovation in Chemistry, Naresuan University, Phitsanulok 65000 Thailand
- UMR
1098 RIGHT INSERM EFS FC, DImaCell Imaging Resource Center, University of Franche-Comté, Besançon 25000 France
| | - Zélie Dirand
- UMR
1098 RIGHT INSERM EFS FC, DImaCell Imaging Resource Center, University of Franche-Comté, Besançon 25000 France
| | - Marion Tissot
- UMR
1098 RIGHT INSERM EFS FC, DImaCell Imaging Resource Center, University of Franche-Comté, Besançon 25000 France
| | - Saran Worasakwutiphong
- Division
Plastic and Reconstructive Surgery, Department of Surgery, Faculty
of Medicine, Naresuan University, Phitsanulok 65000 Thailand
| | - Anuphan Sittichokechaiwut
- Department
of Preventive Dentistry, Faculty of Dentistry, Naresuan University, Phitsanulok 65000 Thailand
| | - François Grandmottet
- Department
of Biochemistry, Faculty of Medical Science, Naresuan University, Phitsanulok 65000, Thailand
| | - Jarupa Viyoch
- Department
of Pharmaceutical Technology, Faculty of Pharmaceutical Sciences and
Center of Excellence for Innovation in Chemistry, Naresuan University, Phitsanulok 65000 Thailand
| | - Céline Viennet
- UMR
1098 RIGHT INSERM EFS FC, DImaCell Imaging Resource Center, University of Franche-Comté, Besançon 25000 France
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Pazarçeviren AE, Evis Z, Dikmen T, Altunbaş K, Yaprakçı MV, Keskin D, Tezcaner A. Alginate/gelatin/boron-doped hydroxyapatite-coated Ti implants: in vitro and in vivo evaluation of osseointegration. Biodes Manuf 2023. [DOI: 10.1007/s42242-022-00218-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
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9
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Zheng Z, He Y, Long L, Gan S, Chen S, Zhang M, Xu J, Fu R, Liao Y, Zhu Z, Wang H, Chen W. Involvement of PI3K/Akt signaling pathway in promoting osteogenesis on titanium implant surfaces modified with novel non-thermal atmospheric plasma. Front Bioeng Biotechnol 2022; 10:975840. [PMID: 36185461 PMCID: PMC9523010 DOI: 10.3389/fbioe.2022.975840] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 08/25/2022] [Indexed: 11/13/2022] Open
Abstract
Non-thermal atmospheric plasma (NTAP) modification to induce a hydrophilic titanium (Ti) surface with less carbon contamination, has been demonstrated to boost the osteogenic responses. In this study, we investigated the underlying bone formation mechanism of NTAP-Ti, and the involvement of PI3K/Akt signaling pathway in regulating osteogenic activities on NTAP-Ti surfaces. NTAP was employed for Ti activation, and PI3K inhibitor, LY294002, was applied to the suppression of PI3K/Akt pathway. We systematically and quantitatively detected the cell morphology, attachment, proliferation, osteogenic differentiation and mineralization of MC3T3-E1 mouse preosteoblasts, and molecular expressions involved in osteogenesis and PI3K/Akt signaling pathway in vivo and in vitro. A descent in osteoblast proliferation on Ti surfaces in relation to LY294002. Alkaline phosphatase (ALP) activity, as well as matrix mineralization, was mitigated by PI3K inhibitor in NTAP-Ti. Likewise, the expression levels of osteogenesis-related genes [ALP, osteocalcin (Ocn), osteopontin (Opn) and runt-related transcription factor 2 (Runx2)] on NTAP-Ti were notably attenuated by LY294002, as confirmed by the results of osteogenesis-related proteins (ALP, and Runx2) expression analysis. In addition, the expression of PI3K/Akt signal pathway proteins further verified the inhibition of LY294002 on Ti surfaces modified by NTAP. Collectively, the PI3K/Akt signal pathway was involved in the amelioration of osteogenesis induced by NTAP modification. NTAP treatment for Ti activation is promising in augmented osteogenic potential through the activation of PI3K/Akt signal pathway.
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Affiliation(s)
- Zheng Zheng
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Yanjin He
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Li Long
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Shuaiqi Gan
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Shujiang Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Min Zhang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Jia Xu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Ruijie Fu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Yihan Liao
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Zhimin Zhu
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
| | - Hang Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- *Correspondence: Hang Wang, ; Wenchuan Chen,
| | - Wenchuan Chen
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China
- Department of Oral Prosthodontics, West China Hospital of Stomatology, Sichuan University, Chengdu, Sichuan, China
- *Correspondence: Hang Wang, ; Wenchuan Chen,
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