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Zhang L, Yu Z, Liu S, Liu F, Zhou S, Zhang Y, Tian Y. Advanced progress of adipose-derived stem cells-related biomaterials in maxillofacial regeneration. Stem Cell Res Ther 2025; 16:110. [PMID: 40038758 PMCID: PMC11881347 DOI: 10.1186/s13287-025-04191-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2024] [Accepted: 01/24/2025] [Indexed: 03/06/2025] Open
Abstract
The tissue injury in maxillofacial region affects patients' physical function and specific mental health. This decade, utilizing regenerative medicine to achieve tissue regeneration has been proved a hopeful direction. Seed cells play a vital role in regeneration strategy. Among various kinds of stem cells that effectively to regenerate the soft and hard tissue of maxillofacial region, adipose-derived stem cells (ADSCs) have gained increasing interests of researchers due to their abundant sources, easy availability and multi-differentiation potentials in recent decades. Thus, this review focuses on the advances of ADSCs-based biomaterial in maxillofacial regeneration from the progress and strategies perspective. It is structured as introducing the properties of ADSCs, biomaterials (polymers, ceramics and metals) within ADSCs and the latest applications of ADSCs in maxillofacial regeneration, including temporomandibular joint (TMJ), bone, periodontal tissue, tooth, nerve as well as cosmetic field. In order to further facilitate ADSCs-based therapies as an emerging platform for regenerative medicine, this review also emphasized current challenges in translating ADSC-based therapies into clinical application and dissussed the strategies to solve these obstacles.
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Affiliation(s)
- Lijun Zhang
- Department of Orthodontics, School and Hospital of Stomatology, China Medical University, Nanjing North Street 117, Shenyang, 110002, China
| | - Zihang Yu
- Department of Orthodontics, School and Hospital of Stomatology, China Medical University, Nanjing North Street 117, Shenyang, 110002, China
| | - Shuchang Liu
- Department of Orthodontics, School and Hospital of Stomatology, China Medical University, Nanjing North Street 117, Shenyang, 110002, China
| | - Fan Liu
- Department of Orthodontics, School and Hospital of Stomatology, China Medical University, Nanjing North Street 117, Shenyang, 110002, China
| | - Shijie Zhou
- Department of Orthodontics, School and Hospital of Stomatology, China Medical University, Nanjing North Street 117, Shenyang, 110002, China
| | - Yuanyuan Zhang
- Department of Orthodontics, School and Hospital of Stomatology, China Medical University, Nanjing North Street 117, Shenyang, 110002, China
| | - Yulou Tian
- Department of Orthodontics, School and Hospital of Stomatology, China Medical University, Nanjing North Street 117, Shenyang, 110002, China.
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Zhu F, Wang T, Wang G, Yan C, He B, Qiao B. The Exosome-Mediated Bone Regeneration: An Advanced Horizon Toward the Isolation, Engineering, Carrying Modalities, and Mechanisms. Adv Healthc Mater 2024; 13:e2400293. [PMID: 38426417 DOI: 10.1002/adhm.202400293] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2024] [Indexed: 03/02/2024]
Abstract
Exosomes, nanoparticles secreted by various cells, composed of a bilayer lipid membrane, and containing bioactive substances such as proteins, nucleic acids, metabolites, etc., have been intensively investigated in tissue engineering owing to their high biocompatibility and versatile biofunction. However, there is still a lack of a high-quality review on bone defect regeneration potentiated by exosomes. In this review, the biogenesis and isolation methods of exosomes are first introduced. More importantly, the engineered exosomes of the current state of knowledge are discussed intensively in this review. Afterward, the biomaterial carriers of exosomes and the mechanisms of bone repair elucidated by compelling evidence are presented. Thus, future perspectives and concerns are revealed to help devise advanced modalities based on exosomes to overcome the challenges of bone regeneration. It is totally believed this review will attract special attention from clinicians and provide promising ideas for their future works.
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Affiliation(s)
- Fukang Zhu
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Rd, Chongqing, 400010, P. R. China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, 400010, P. R. China
| | - Taiyou Wang
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Rd, Chongqing, 400010, P. R. China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, 400010, P. R. China
| | - Guangjian Wang
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Rd, Chongqing, 400010, P. R. China
- Department of Orthopaedics, The People's Hospital of Rongchang District, Chongqing, 402460, P. R. China
| | - Caiping Yan
- Department of Orthopaedics, The Third Affiliated Hospital of Chongqing Medical University, Chongqing, 401120, P. R. China
| | - Bin He
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Rd, Chongqing, 400010, P. R. China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, 400010, P. R. China
| | - Bo Qiao
- Department of Orthopaedics, The First Affiliated Hospital of Chongqing Medical University, 1 Youyi Rd, Chongqing, 400010, P. R. China
- Orthopedic Laboratory of Chongqing Medical University, Chongqing, 400010, P. R. China
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Guo W, Bu W, Mao Y, Wang E, Yang Y, Liu C, Guo F, Mai H, You H, Long Y. Magnesium Hydroxide as a Versatile Nanofiller for 3D-Printed PLA Bone Scaffolds. Polymers (Basel) 2024; 16:198. [PMID: 38256997 PMCID: PMC10820754 DOI: 10.3390/polym16020198] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2023] [Revised: 12/29/2023] [Accepted: 01/04/2024] [Indexed: 01/24/2024] Open
Abstract
Polylactic acid (PLA) has attracted much attention in bone tissue engineering due to its good biocompatibility and processability, but it still faces problems such as a slow degradation rate, acidic degradation product, weak biomineralization ability, and poor cell response, which limits its wider application in developing bone scaffolds. In this study, Mg(OH)2 nanoparticles were employed as a versatile nanofiller for developing PLA/Mg(OH)2 composite bone scaffolds using fused deposition modeling (FDM) 3D printing technology, and its mechanical, degradation, and biological properties were evaluated. The mechanical tests revealed that a 5 wt% addition of Mg(OH)2 improved the tensile and compressive strengths of the PLA scaffold by 20.50% and 63.97%, respectively. The soaking experiment in phosphate buffered solution (PBS) revealed that the alkaline degradation products of Mg(OH)2 neutralized the acidic degradation products of PLA, thus accelerating the degradation of PLA. The weight loss rate of the PLA/20Mg(OH)2 scaffold (15.40%) was significantly higher than that of PLA (0.15%) on day 28. Meanwhile, the composite scaffolds showed long-term Mg2+ release for more than 28 days. The simulated body fluid (SBF) immersion experiment indicated that Mg(OH)2 promoted the deposition of apatite and improved the biomineralization of PLA scaffolds. The cell culture of bone marrow mesenchymal stem cells (BMSCs) indicated that adding 5 wt% Mg(OH)2 effectively improved cell responses, including adhesion, proliferation, and osteogenic differentiation, due to the release of Mg2+. This study suggests that Mg(OH)2 can simultaneously address various issues related to polymer scaffolds, including degradation, mechanical properties, and cell interaction, having promising applications in tissue engineering.
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Affiliation(s)
- Wang Guo
- State Key Laboratory of Featured Metal Materials and Life-Cycle Safety for Composite Structures, Guangxi University, Nanning 530004, China; (W.B.); (Y.M.); (E.W.); (Y.Y.); (C.L.)
- Guangxi Key Laboratory of Manufacturing System and Advanced Manufacturing Technology, School of Mechanical Engineering, Guangxi University, Nanning 530004, China
| | - Wenlang Bu
- State Key Laboratory of Featured Metal Materials and Life-Cycle Safety for Composite Structures, Guangxi University, Nanning 530004, China; (W.B.); (Y.M.); (E.W.); (Y.Y.); (C.L.)
- Guangxi Key Laboratory of Manufacturing System and Advanced Manufacturing Technology, School of Mechanical Engineering, Guangxi University, Nanning 530004, China
| | - Yufeng Mao
- State Key Laboratory of Featured Metal Materials and Life-Cycle Safety for Composite Structures, Guangxi University, Nanning 530004, China; (W.B.); (Y.M.); (E.W.); (Y.Y.); (C.L.)
- Guangxi Key Laboratory of Manufacturing System and Advanced Manufacturing Technology, School of Mechanical Engineering, Guangxi University, Nanning 530004, China
| | - Enyu Wang
- State Key Laboratory of Featured Metal Materials and Life-Cycle Safety for Composite Structures, Guangxi University, Nanning 530004, China; (W.B.); (Y.M.); (E.W.); (Y.Y.); (C.L.)
- Guangxi Key Laboratory of Manufacturing System and Advanced Manufacturing Technology, School of Mechanical Engineering, Guangxi University, Nanning 530004, China
| | - Yanjuan Yang
- State Key Laboratory of Featured Metal Materials and Life-Cycle Safety for Composite Structures, Guangxi University, Nanning 530004, China; (W.B.); (Y.M.); (E.W.); (Y.Y.); (C.L.)
- Guangxi Key Laboratory of Manufacturing System and Advanced Manufacturing Technology, School of Mechanical Engineering, Guangxi University, Nanning 530004, China
| | - Chao Liu
- State Key Laboratory of Featured Metal Materials and Life-Cycle Safety for Composite Structures, Guangxi University, Nanning 530004, China; (W.B.); (Y.M.); (E.W.); (Y.Y.); (C.L.)
- Guangxi Key Laboratory of Manufacturing System and Advanced Manufacturing Technology, School of Mechanical Engineering, Guangxi University, Nanning 530004, China
| | - Feng Guo
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Medical University, Nanning 530021, China; (F.G.); (H.M.)
- Department of Oral and Maxillofacial Surgery, College of Stomatology, Guangxi Medical University, Nanning 530021, China
| | - Huaming Mai
- Guangxi Key Laboratory of Oral and Maxillofacial Rehabilitation and Reconstruction, Guangxi Medical University, Nanning 530021, China; (F.G.); (H.M.)
- Department of Oral and Maxillofacial Surgery, College of Stomatology, Guangxi Medical University, Nanning 530021, China
| | - Hui You
- State Key Laboratory of Featured Metal Materials and Life-Cycle Safety for Composite Structures, Guangxi University, Nanning 530004, China; (W.B.); (Y.M.); (E.W.); (Y.Y.); (C.L.)
- Guangxi Key Laboratory of Manufacturing System and Advanced Manufacturing Technology, School of Mechanical Engineering, Guangxi University, Nanning 530004, China
| | - Yu Long
- State Key Laboratory of Featured Metal Materials and Life-Cycle Safety for Composite Structures, Guangxi University, Nanning 530004, China; (W.B.); (Y.M.); (E.W.); (Y.Y.); (C.L.)
- Guangxi Key Laboratory of Manufacturing System and Advanced Manufacturing Technology, School of Mechanical Engineering, Guangxi University, Nanning 530004, China
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Li Y, Zhou Z, He Y. Tribocorrosion and Surface Protection Technology of Titanium Alloys: A Review. MATERIALS (BASEL, SWITZERLAND) 2023; 17:65. [PMID: 38203919 PMCID: PMC10779822 DOI: 10.3390/ma17010065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/28/2023] [Accepted: 12/13/2023] [Indexed: 01/12/2024]
Abstract
Titanium alloy has the advantages of high specific strength, good corrosion resistance, and biocompatibility and is widely used in marine equipment, biomedicine, aerospace, and other fields. However, the application of titanium alloy in special working conditions shows some shortcomings, such as low hardness and poor wear resistance, which seriously affect the long life and safe and reliable service of the structural parts. Tribocorrosion has been one of the research hotspots in the field of tribology in recent years, and it is one of the essential factors affecting the application of passivated metal in corrosive environments. In this work, the characteristics of the marine and human environments and their critical tribological problems are analyzed, and the research connotation of tribocorrosion of titanium alloy is expounded. The research status of surface protection technology for titanium alloy in marine and biological environments is reviewed, and the development direction and trends in surface engineering of titanium alloy are prospected.
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Affiliation(s)
- Yang Li
- School of Nuclear Equipment and Nuclear Engineering, Yantai University, Yantai 264005, China;
| | - Zelong Zhou
- School of Nuclear Equipment and Nuclear Engineering, Yantai University, Yantai 264005, China;
| | - Yongyong He
- State Key Laboratory of Tribology, Tsinghua University, Beijing 100084, China
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