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Lan Q, Xiao X, Bi X, Gu Y, Ai Y. Effects of periodontal ligament stem cell-derived exosomes on osteoblastic proliferation, migration, differentiation, apoptosis, and signaling pathways. Oral Dis 2024; 30:710-718. [PMID: 36076350 DOI: 10.1111/odi.14375] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 08/24/2022] [Accepted: 09/02/2022] [Indexed: 11/30/2022]
Abstract
OBJECTIVE Periodontitis is characterized by alveolar bone injury and absorption, with high incidence and poor treatment effect. Proliferation, migration, differentiation and apoptosis of osteoblasts are identified as key factors during the regeneration of alveolar bone tissue processes. Periodontal ligament stem cells (PDLSCs) have been proved to be a possible candidate for the treatment of periodontitis due to its multiple advantages, such as increasing the regenerative capacity of bone tissue. However, the effect of exosomes derived from PDLSCs (PDLSC-Exo) on osteoblasts remains to be further studied. METHODS AND MATERIALS In this work, cell proliferation, migration, osteogenic differentiation, and H2 O2 -induced apoptosis were detected after cells were exposed to PDLSC-Exo by CCK-8, scratch wound assay, alizarin red S and alkaline phosphatase staining, real-time PCR, flow cytometry, tunel assay, and so on. Moreover, the activation of PI3K/AKT and MEK/ERK signaling pathways was evaluated by western blotting. RESULTS We found that PDLSC-Exo are capable of promoting hFOB1.19 cell proliferation, migration and osteogenic differentiation, inhibiting H2 O2 -induced apoptosis, and activating the PI3K/AKT and MEK/ERK signaling pathways. CONCLUSION These results suggest that PDLSC-Exo may be a promising therapeutic for osteoblastic damage.
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Affiliation(s)
- Qian Lan
- Department of Periodontics, Foshan Stomatology Hospital and School of Medicine, Foshan University, Foshan, Guangdong Province, China
| | - Xin Xiao
- Department of Periodontics, Foshan Stomatology Hospital and School of Medicine, Foshan University, Foshan, Guangdong Province, China
| | - Xueting Bi
- Department of Periodontics, Foshan Stomatology Hospital and School of Medicine, Foshan University, Foshan, Guangdong Province, China
| | - Yangcong Gu
- Department of Maxillofacial Surgery, Foshan Stomatology Hospital and School of Medicine, Foshan University, Foshan, Guangdong Province, China
| | - Yilong Ai
- Department of Orthodontics, Foshan Stomatology Hospital and School of Medicine, Foshan University, Foshan, Guangdong Province, China
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Tang M, Wang G, Li J, Wang Y, Peng C, Chang X, Guo J, Gui S. Flavonoid extract from propolis alleviates periodontitis by boosting periodontium regeneration and inflammation resolution via regulating TLR4/MyD88/NF-κB and RANK/NF-κB pathway. JOURNAL OF ETHNOPHARMACOLOGY 2024; 319:117324. [PMID: 37852336 DOI: 10.1016/j.jep.2023.117324] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 10/10/2023] [Accepted: 10/14/2023] [Indexed: 10/20/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE In traditional Chinese medicine, propolis has been used for treating oral diseases for centuries, widely. Flavonoid extract is the main active ingredient in propolis, which has attracted extensive attention in recent years. AIM OF THE STUDY The objective and novelty of the current study aims to identify the mechanism of total flavonoid extract of propolis (TFP) for the treatment of periodontitis, and evaluate the therapeutic effect of TFP-loaded liquid crystal hydrogel (TFP-LLC) in rats with periodontitis. METHODS In this study, we used lipopolysaccharide-stimulated periodontal ligament stem cells (PDLSCs) to construct in vitro inflammation model, and investigated the anti-inflammatory effect of TFP by expression levels of inflammatory factors. Osteogenic differentiation was assessed using alkaline phosphatase activity and alizarin red staining. Meanwhile, the expression of toll like receptor 4 (TLR4), myeloid differentiation primary response 88 (MyD88), nuclear factor-kappa B (NF-κB), receptor activator of NF-κB (RANK) etc, were quantitated to investigate the therapeutic mechanism of TFP. Finally, we constructed TFP-LLC using a self-emulsification method and administered it to rats with periodontitis via periodontal pocket injection to evaluate the therapeutic effects. The therapeutic index, microcomputed tomography (Micro-CT), H&E staining, TRAP staining, and Masson staining were used for this evaluation. RESULTS TFP reduced the expression of TLR4, MyD88, NF-κB and inflammatory factor in lipopolysaccharide-stimulated PDLSCs. Meanwhile, TFP simultaneously regulating alkaline phosphatase, RANK, runt-associated transcription factor-2 and matrix metalloproteinase production to accelerate osteogenic differentiation and collagen secretion. In addition, TFP-LLC can stably anchor to the periodontal lesion site and sustainably release TFP. After four weeks of treatment with TFP-LLC, we observed a decrease in the levels of NF-κB and interleukin-1β (IL-1β) in the periodontal tissues of rats, as well as a significant reduction in inflammation in HE staining. Similarly, Micro CT results showed that TFP-LLC could significantly inhibit alveolar bone resorption, increase bone mineral density (BMD) and reduce trabecular bone space (Tb.Sp) in rats with periodontitis. CONCLUSION Collectively, we have firstly verified the therapeutic effects and mechanisms of TFP in PDLSCs for periodontitis treatment. Our results indicate that TFP perform anti-inflammatory and tissue repair activities through TLR4/MyD88/NF-κB and RANK/NF-κB pathways in PDLSCs. Meanwhile, for the first time, we employed LLC delivery system to load TFP for periodontitis treatment. The results showed that TFP-LLC could be effectively retained in the periodontal pocket and exerted a crucial role in inflammation resolution and periodontal tissue regeneration.
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Affiliation(s)
- Maomao Tang
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, Anhui, China
| | - Guichun Wang
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, Anhui, China
| | - Jiaxin Li
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, Anhui, China
| | - Yuxiao Wang
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, Anhui, China
| | - Chengjun Peng
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, Anhui, China
| | - Xiangwei Chang
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, Anhui, China; Institute of Pharmaceutics, Anhui Academy of Chinese Medicine, Hefei, Anhui, China; Anhui Province Key Laboratory of Pharmaceutical Preparation Technology and Application, Hefei, Anhui, China; Engineering Technology Research Center of Modernized Pharmaceutics, Anhui Education Department (AUCM), Hefei, Anhui, China
| | - Jian Guo
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, Anhui, China; Institute of Pharmaceutics, Anhui Academy of Chinese Medicine, Hefei, Anhui, China; Anhui Province Key Laboratory of Pharmaceutical Preparation Technology and Application, Hefei, Anhui, China; Engineering Technology Research Center of Modernized Pharmaceutics, Anhui Education Department (AUCM), Hefei, Anhui, China.
| | - Shuangying Gui
- College of Pharmacy, Anhui University of Chinese Medicine, Hefei, Anhui, China; Institute of Pharmaceutics, Anhui Academy of Chinese Medicine, Hefei, Anhui, China; Anhui Province Key Laboratory of Pharmaceutical Preparation Technology and Application, Hefei, Anhui, China; Engineering Technology Research Center of Modernized Pharmaceutics, Anhui Education Department (AUCM), Hefei, Anhui, China.
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Khotib J, Marhaeny HD, Miatmoko A, Budiatin AS, Ardianto C, Rahmadi M, Pratama YA, Tahir M. Differentiation of osteoblasts: the links between essential transcription factors. J Biomol Struct Dyn 2023; 41:10257-10276. [PMID: 36420663 DOI: 10.1080/07391102.2022.2148749] [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: 05/30/2022] [Accepted: 11/12/2022] [Indexed: 11/27/2022]
Abstract
Osteoblasts, cells derived from mesenchymal stem cells (MSCs) in the bone marrow, are cells responsible for bone formation and remodeling. The differentiation of osteoblasts from MSCs is triggered by the expression of specific genes, which are subsequently controlled by pro-osteogenic pathways. Mature osteoblasts then differentiate into osteocytes and are embedded in the bone matrix. Dysregulation of osteoblast function can cause inadequate bone formation, which leads to the development of bone disease. Various key molecules are involved in the regulation of osteoblastogenesis, which are transcription factors. Previous studies have heavily examined the role of factors that control gene expression during osteoblastogenesis, both in vitro and in vivo. However, the systematic relationship of these transcription factors remains unknown. The involvement of ncRNAs in this mechanism, particularly miRNAs, lncRNAs, and circRNAs, has been shown to influence transcriptional factor activity in the regulation of osteoblast differentiation. Here, we discuss nine essential transcription factors involved in osteoblast differentiation, including Runx2, Osx, Dlx5, β-catenin, ATF4, Ihh, Satb2, and Shn3. In addition, we summarize the role of ncRNAs and their relationship to these essential transcription factors in order to improve our understanding of the transcriptional regulation of osteoblast differentiation. Adequate exploration and understanding of the molecular mechanisms of osteoblastogenesis can be a critical strategy in the development of therapies for bone-related diseases.Communicated by Ramaswamy H. Sarma.
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Affiliation(s)
- Junaidi Khotib
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, Surabaya, Indonesia
| | - Honey Dzikri Marhaeny
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, Surabaya, Indonesia
| | - Andang Miatmoko
- Department of Pharmaceutical Science, Faculty of Pharmacy, Universitas Airlangga, Surabaya, Indonesia
| | - Aniek Setiya Budiatin
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, Surabaya, Indonesia
| | - Chrismawan Ardianto
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, Surabaya, Indonesia
| | - Mahardian Rahmadi
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, Surabaya, Indonesia
| | - Yusuf Alif Pratama
- Department of Pharmacy Practice, Faculty of Pharmacy, Universitas Airlangga, Surabaya, Indonesia
| | - Muhammad Tahir
- Department of Pharmaceutical Science, Kulliyah of Pharmacy, International Islamic University Malaysia, Pahang, Malaysia
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Recent Clinical Treatment and Basic Research on the Alveolar Bone. Biomedicines 2023; 11:biomedicines11030843. [PMID: 36979821 PMCID: PMC10044990 DOI: 10.3390/biomedicines11030843] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 03/07/2023] [Accepted: 03/07/2023] [Indexed: 03/12/2023] Open
Abstract
The periodontal ligament is located between the bone (alveolar bone) and the cementum of the tooth, and it is connected by tough fibers called Sharpey’s fibers. To maintain healthy teeth, the foundation supporting the teeth must be healthy. Periodontal diseases, also known as tooth loss, cause the alveolar bone to dissolve. The alveolar bone, similar to the bones in other body parts, is repeatedly resorbed by osteoclasts and renewed by osteogenic cells. This means that an old bone is constantly being resorbed and replaced by a new bone. In periodontal diseases, the alveolar bone around the teeth is absorbed, and as the disease progresses, the alveolar bone shrinks gradually. In most cases, the resorbed alveolar bone does not return to its original form even after periodontal disease is cured. Gum covers the tooth surface so that it matches the shape of the resorbed alveolar bone, exposing more of the tooth surface than before, making the teeth look longer, leaving gaps between the teeth, and in some cases causing teeth to sting. Previously, the only treatment for periodontal diseases was to stop the disease from progressing further before the teeth fell out, and restoration to the original condition was almost impossible. However, a treatment method that can help in the regeneration of the supporting tissues of the teeth destroyed by periodontal diseases and the restoration of the teeth to their original healthy state as much as possible is introduced. Recently, with improvements in implant material properties, implant therapy has become an indispensable treatment method in dentistry and an important prosthetic option. Treatment methods and techniques, which are mainly based on experience, have gradually accumulated scientific evidence, and the number of indications for treatment has increased. The development of bone augmentation methods has contributed remarkably to the expansion of indications, and this has been made possible by various advances in materials science. The induced pluripotent stem cell (iPS) cell technology for regenerating periodontal tissues, including alveolar bone, is expected to be applied in the treatment of diseases, such as tooth loss and periodontitis. This review focuses on the alveolar bone and describes clinical practice, techniques, and the latest basic research.
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Sun Q, Pei F, Zhang M, Zhang B, Jin Y, Zhao Z, Wei Q. Curved Nanofiber Network Induces Cellular Bridge Formation to Promote Stem Cell Mechanotransduction. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2204479. [PMID: 36382560 PMCID: PMC9875655 DOI: 10.1002/advs.202204479] [Citation(s) in RCA: 17] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 10/26/2022] [Indexed: 06/16/2023]
Abstract
Remarkable exertions are directed to reveal and understand topographic cues that induce cell mechanical sensitive responses including lineage determination. Extracellular matrix (ECM) is the sophisticated ensemble of diverse factors offering the complicated cellular microenvironment to regulate cell behaviors. However, the functions of only a few of these factors are revealed; most of them are still poorly understood. Herein, the focus is on understanding the curved structure in ECM network for regulating stem cell mechanotransduction. A curved nanofiber network mimicking the curved structure in ECM is fabricated by an improved electrospinning technology. Compared with the straight fibers, the curved fibers promote cell bridge formation because of the cytoskeleton tension. The actomyosin filaments are condensed near the curved edge of the non-adhesive bridge in the bridging cells, which generates higher myosin-II-based intracellular force. This force drives cell lineage commitment toward osteogenic differentiation. This study enriches and perfects the knowledge of the effects of topographic cues on cell behaviors and guides the development of novel biomaterials.
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Affiliation(s)
- Qian Sun
- Department of OrthodonticsState Key Laboratory of Oral DiseasesNational Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041P. R. China
- College of Polymer Science and EngineeringState Key Laboratory of Polymer Materials and EngineeringSichuan UniversityChengdu610065P. R. China
| | - Fang Pei
- Department of OrthodonticsState Key Laboratory of Oral DiseasesNational Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041P. R. China
- College of Polymer Science and EngineeringState Key Laboratory of Polymer Materials and EngineeringSichuan UniversityChengdu610065P. R. China
| | - Man Zhang
- College of Biomedical EngineeringSichuan UniversityChengdu610065P. R. China
| | - Bo Zhang
- Department of OrthodonticsState Key Laboratory of Oral DiseasesNational Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041P. R. China
| | - Ying Jin
- Department of OrthodonticsState Key Laboratory of Oral DiseasesNational Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041P. R. China
| | - Zhihe Zhao
- Department of OrthodonticsState Key Laboratory of Oral DiseasesNational Clinical Research Center for Oral DiseasesWest China Hospital of StomatologySichuan UniversityChengdu610041P. R. China
| | - Qiang Wei
- College of Polymer Science and EngineeringState Key Laboratory of Polymer Materials and EngineeringSichuan UniversityChengdu610065P. R. China
- College of Biomedical EngineeringSichuan UniversityChengdu610065P. R. China
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Yang P, Shi F, Zhang Y. Baricitinib alleviates lipopolysaccharide‑induced human periodontal ligament stem cell injury and promotes osteogenic differentiation by inhibiting JAK/STAT signaling. Exp Ther Med 2022; 25:74. [PMID: 36684656 PMCID: PMC9842944 DOI: 10.3892/etm.2022.11773] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/18/2022] [Accepted: 11/21/2022] [Indexed: 12/24/2022] Open
Abstract
Periodontitis is the chronic inflammation of the periodontal tissue. The present study aimed to investigate the role of baricitinib, a Janus kinase (JAK)1/2 inhibitor, in periodontitis by using a lipopolysaccharide (LPS)-induced human periodontal ligament stem cell (PDLSC) model. The viability of PDLSCs stimulated by LPS was assessed in the presence of baricitinib by Cell Counting Kit-8 assay. The induction of oxidative stress was evaluated by detecting the intracellular reactive oxygen species (ROS) levels, superoxide dismutase (SOD) activity and glutathione (GSH) content. ELISA and reverse transcription-quantitative PCR were used to determine the levels of inflammatory factors TNF-α, IL-1β and IL-6. Alkaline phosphatase (ALP) activity and alizarin red staining were used to assess the osteogenic differentiation of PDLSCs. The expression levels of osteogenic differentiation- and JAK/signal transducer and activator of transcription (STAT) signaling-associated proteins were estimated with western blotting. RO8191, an agonist of the JAK/STAT pathway, was used to treat PDLSCs to investigate the regulatory mechanism of baricitinib. The results indicated that baricitinib elevated the LPS-induced decrease in cell viability. LPS-triggered oxidative stress and inflammation were inhibited by baricitinib, as demonstrated by the decreased levels of ROS, TNF-α, IL-1β, IL-6 and increased levels of SOD and GSH. In addition, baricitinib caused a marked elevation in ALP activity and mineralization ability of PDLSCs, as determined by the upregulated osteocalcin and Runt-related transcription factor 2 expression. Moreover, the expression levels of phosphorylated (p)-JAK1, p-JAK2 and p-STAT3 were downregulated by baricitinib in a dose-dependent manner. Furthermore, addition of RO8191 restored the effect of baricitinib on the induction of oxidative stress, inflammation and osteogenic differentiation of PDLSCs exposed to LPS. Collectively, these findings suggested that baricitinib alleviated oxidative stress and inflammation and promoted osteogenic differentiation of LPS-induced PDLSCs by inhibiting JAK/STAT signaling.
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Affiliation(s)
- Ping Yang
- Department of Stomatology, AnTing Campus, The Third Affiliated Hospital of Naval Military Medical University, Shanghai 200438, P.R. China
| | - Fenghua Shi
- Department of Radiotherapy, AnTing Campus, The Third Affiliated Hospital of Naval Military Medical University, Shanghai 201805, P.R. China
| | - Yanli Zhang
- Outpatient Department, ChangHai Road Campus, The Third Affiliated Hospital of Naval Military Medical University, Shanghai 200438, P.R. China,Correspondence to: Dr Yanli Zhang, Outpatient Department, ChangHai Road Campus, The Third Affiliated Hospital of Naval Military Medical University, 225 Changhai Road, Yangpu, Shanghai 200438, P.R. China
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7
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Zhao Z, Liu J, Weir MD, Schneider A, Ma T, Oates TW, Xu HHK, Zhang K, Bai Y. Periodontal ligament stem cell-based bioactive constructs for bone tissue engineering. Front Bioeng Biotechnol 2022; 10:1071472. [PMID: 36532583 PMCID: PMC9755356 DOI: 10.3389/fbioe.2022.1071472] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2022] [Accepted: 11/17/2022] [Indexed: 09/29/2023] Open
Abstract
Objectives: Stem cell-based tissue engineering approaches are promising for bone repair and regeneration. Periodontal ligament stem cells (PDLSCs) are a promising cell source for tissue engineering, especially for maxillofacial bone and periodontal regeneration. Many studies have shown potent results via PDLSCs in bone regeneration. In this review, we describe recent cutting-edge researches on PDLSC-based bone regeneration and periodontal tissue regeneration. Data and sources: An extensive search of the literature for papers related to PDLSCs-based bioactive constructs for bone tissue engineering was made on the databases of PubMed, Medline and Google Scholar. The papers were selected by three independent calibrated reviewers. Results: Multiple types of materials and scaffolds have been combined with PDLSCs, involving xeno genic bone graft, calcium phosphate materials and polymers. These PDLSC-based constructs exhibit the potential for bone and periodontal tissue regeneration. In addition, various osteo inductive agents and strategies have been applied with PDLSCs, including drugs, biologics, gene therapy, physical stimulation, scaffold modification, cell sheets and co-culture. Conclusoin: This review article demonstrates the great potential of PDLSCs-based bioactive constructs as a promising approach for bone and periodontal tissue regeneration.
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Affiliation(s)
- Zeqing Zhao
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China
| | - Jin Liu
- Key Laboratory of Shaanxi Province for Craniofacial Precision Medicine Research, College of Stomatology, Xi’an Jiaotong University, Xi’an, China
| | - Michael D. Weir
- Biomaterials and Tissue Engineering Division, Department of Advanced Oral Sciences and Therapeutics, University of Maryland Dental School, Baltimore, MD, United States
| | - Abraham Schneider
- Department of Oncology and Diagnostic Sciences, University of Maryland School of Dentistry, Baltimore, MD, United States
| | - Tao Ma
- Department of Oncology and Diagnostic Sciences, University of Maryland School of Dentistry, Baltimore, MD, United States
| | - Thomas W. Oates
- Biomaterials and Tissue Engineering Division, Department of Advanced Oral Sciences and Therapeutics, University of Maryland Dental School, Baltimore, MD, United States
| | - Hockin H. K. Xu
- Biomaterials and Tissue Engineering Division, Department of Advanced Oral Sciences and Therapeutics, University of Maryland Dental School, Baltimore, MD, United States
- Marlene and Stewart Greenebaum Cancer Center, University of Maryland School of Medicine, Baltimore, MD, United States
- Center for Stem Cell Biology and Regenerative Medicine, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Ke Zhang
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China
| | - Yuxing Bai
- Department of Orthodontics, School of Stomatology, Capital Medical University, Beijing, China
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Chen Y, Huang H, Li G, Yu J, Fang F, Qiu W. Dental-derived mesenchymal stem cell sheets: a prospective tissue engineering for regenerative medicine. Stem Cell Res Ther 2022; 13:38. [PMID: 35093155 PMCID: PMC8800229 DOI: 10.1186/s13287-022-02716-3] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2021] [Accepted: 12/28/2021] [Indexed: 12/16/2022] Open
Abstract
Stem cells transplantation is the main method of tissue engineering regeneration treatment, the viability and therapeutic efficiency are limited. Scaffold materials also play an important role in tissue engineering, whereas there are still many limitations, such as rejection and toxic side effects caused by scaffold materials. Cell sheet engineering is a scaffold-free tissue technology, which avoids the side effects of traditional scaffolds and maximizes the function of stem cells. It is increasingly being used in the field of tissue regenerative medicine. Dental-derived mesenchymal stem cells (DMSCs) are multipotent cells that exist in various dental tissues and can be used in stem cell-based therapy, which is impactful in regenerative medicine. Emerging evidences show that cell sheets derived from DMSCs have better effects in the field of regenerative medicine applications. Extracellular matrix (ECM) is the main component of cell sheets, which is a dynamic repository of signalling biological molecules and has a variety of biological functions and may play an important role in the application of cell sheets. In this review, we summarized the application status, mechanisms that sheets and ECM may play and future prospect of DMSC sheets on regeneration medicine.
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Yu M, Sun L, Ba P, Li L, Chen J, Sun Q. Progranulin promotes osteogenic differentiation of periodontal membrane stem cells in both inflammatory and non-inflammatory conditions. J Int Med Res 2021; 49:3000605211032508. [PMID: 34344217 PMCID: PMC8358516 DOI: 10.1177/03000605211032508] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Objective The growth factor progranulin (PGRN) is widely expressed and plays important
roles in anti-inflammatory signaling and bone regeneration. However, the
anti-inflammatory and pro-osteogenic roles of PGRN in periodontitis are
seldom studied. We used an in vitro model to investigate
whether PGRN can promote osteogenic differentiation of periodontal ligament
stem cells (PDLSCs). Methods PDLSCs were treated with PGRN (0 to 100 ng/mL) and the optimal concentrations
required to induce proliferation and osteogenesis were identified. PDLSCs
were cultured with 10 ng/mL tumor necrosis factor (TNF)-α, 25 ng/mL PGRN, or
10 ng/mL TNF-α + 25 ng/ml PGRN; untreated PDLSCs were used as controls. The
effects of PGRN on PDLSC proliferation and osteogenic differentiation were
assessed. Results PGRN (5, 25, and 50 ng/mL) promoted PDLSC proliferation and osteogenic
differentiation, with the 25-ng/mL dose showing the largest effect.
Furthermore, 25 ng/mL PGRN reversed inhibition of osteogenic differentiation
by TNF-α. Conclusion PGRN promotes PDLSC proliferation, osteogenic differentiation, and
mineralization in both inflammatory and non-inflammatory conditions. The
25-ng/mL PRGN dose was the most suitable for inducing proliferation and
osteogenesis. Further studies using animal models will be required to obtain
pre-clinical evidence to support using PGRN as a treatment for
periodontitis.
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Affiliation(s)
- Miao Yu
- Weifang People's Hospital, Department of Stomatology, Weifang, Shandong, China
| | - Long Sun
- Department of Stomatology, Tengzhou Central People's Hospital, Tengzhou, Shandong, China
| | - Pengfei Ba
- Department of Periodontology, Weihai Stomatological Hospital, Weihai, Shandong, China
| | - Linxia Li
- Department of Stomatology, 562122Affiliated Hospital of Jining Medical University, Affiliated Hospital of Jining Medical University, Jining, Shandong, China
| | - Jing Chen
- Department of Stomatology, Zoucheng People's Hospital, Zoucheng, Shandong, China
| | - Qinfeng Sun
- Department of Periodontology, 12589Shandong University, School of Stomatology, Shandong University, Jinan, Shandong, China.,Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Shandong University, Jinan, Shandong, China
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10
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Marofi F, Choupani J, Solali S, Vahedi G, Hassanzadeh A, Gharibi T, Hagh MF. ATF4, DLX3, FRA1, MSX2, C/EBP-ζ, and C/EBP-α Shape the Molecular Basis of Therapeutic Effects of Zoledronic Acid in Bone Disorders. Anticancer Agents Med Chem 2021; 20:2274-2284. [PMID: 32698734 DOI: 10.2174/1871520620666200721101904] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Revised: 01/30/2020] [Accepted: 02/10/2020] [Indexed: 11/22/2022]
Abstract
OBJECTIVE Zoledronic Acid (ZA) is one of the common treatment choices used in various boneassociated conditions. Also, many studies have investigated the effect of ZA on Osteoblastic-Differentiation (OSD) of Mesenchymal Stem Cells (MSCs), but its clear molecular mechanism(s) has remained to be understood. It seems that the methylation of the promoter region of key genes might be an important factor involved in the regulation of genes responsible for OSD. The present study aimed to evaluate the changes in the mRNA expression and promoter methylation of central Transcription Factors (TFs) during OSD of MSCs under treatment with ZA. MATERIALS AND METHODS MSCs were induced to be differentiated into the osteoblastic cell lineage using routine protocols. MSCs received ZA during OSD and then the methylation and mRNA expression levels of target genes were measured by Methylation Specific-quantitative Polymerase Chain Reaction (MS-qPCR) and real-time PCR, respectively. The osteoblastic differentiation was confirmed by Alizarin Red Staining and the related markers to this stage. RESULTS Gene expression and promoter methylation level for DLX3, FRA1, ATF4, MSX2, C/EBPζ, and C/EBPa were up or down-regulated in both ZA-treated and untreated cells during the osteodifferentiation process on days 0 to 21. ATF4, DLX3, and FRA1 genes were significantly up-regulated during the OSD processes, while the result for MSX2, C/EBPζ, and C/EBPa was reverse. On the other hand, ATF4 and DLX3 methylation levels gradually reduced in both ZA-treated and untreated cells during the osteodifferentiation process on days 0 to 21, while the pattern was increasing for MSX2 and C/EBPa. The methylation pattern of C/EBPζ was upward in untreated groups while it had a downward pattern in ZA-treated groups at the same scheduled time. The result for FRA1 was not significant in both groups at the same scheduled time (days 0-21). CONCLUSION The results indicated that promoter-hypomethylation of ATF4, DLX3, and FRA1 genes might be one of the mechanism(s) controlling their gene expression. Moreover, we found that promoter-hypermethylation led to the down-regulation of MSX2, C/EBP-ζ and C/EBP-α. The results implicate that ATF4, DLX3 and FRA1 may act as inducers of OSD while MSX2, C/EBP-ζ and C/EBP-α could act as the inhibitor ones. We also determined that promoter-methylation is an important process in the regulation of OSD. However, yet there was no significant difference in the promoter-methylation level of selected TFs in ZA-treated and control cells, a methylation- independent pathway might be involved in the regulation of target genes during OSD of MSCs.
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Affiliation(s)
- Faroogh Marofi
- Department of Immunology, Division of Hematology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran,Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Jalal Choupani
- Department of Medical Genetic, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Saeed Solali
- Molecular Medicine Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Ghasem Vahedi
- Department of Immunology, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran
| | - Ali Hassanzadeh
- Department of Immunology, Division of Hematology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran,Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Tohid Gharibi
- Department of Immunology, Faculty of Medicine, Zanjan University of Medical Sciences, Zanjan, Iran,Immunology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Majid F Hagh
- Department of Immunology, Division of Hematology, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran,Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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11
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Cui Q, Li N, Nie F, Yang F, Li H, Zhang J. Vitamin K2 promotes the osteogenic differentiation of periodontal ligament stem cells via the Wnt/β-catenin signaling pathway. Arch Oral Biol 2021; 124:105057. [PMID: 33517171 DOI: 10.1016/j.archoralbio.2021.105057] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 12/30/2020] [Accepted: 01/05/2021] [Indexed: 12/12/2022]
Abstract
OBJECTIVE Vitamin K2 (MK-4, menaquinone 4) plays an important role in osteoprotection. The present study aimed to examine the effect of MK-4 on the osteogenic differentiation of periodontal ligament stem cells (PDLSCs) in vitro and probed the potential signaling pathway. DESIGN PDLSCs were isolated from extracted premolars by tissue block culture method and were identified by flow cytometry. Cell Counting Kit-8 (CCK-8) and colony formation assays were used to determine the effect of MK-4 on the proliferation of PDLSCs. Alkaline phosphatase (ALP) activity was analyzed quantitatively, and extracellular matrix mineralization was examined by Alizarin Red S staining. The mRNA and protein expression levels of ALP, Runx Family Transcription Factor 2 (Runx2), osteocalcin (OCN), and Sp7 Transcription Factor (SP7; Osterix) were measured by qRT-PCR and Western blot. In addition, after adding the inhibitor XAV-939, Western blot was used to assess the correlation with the Wnt/β-catenin signaling pathway. The above results were obtained by observing at least three fields randomly, and each experiment was repeated at least three times. RESULTS This study found that 10-5 M MK-4 significantly promoted the osteogenic differentiation of PDLSCs. Gene and protein expression levels of ALP, Runx2, OCN, and Osterix were all upregulated compared with control. Remarkably, after blocking the Wnt/β-catenin signaling pathway with XAV-939, the effect of MK-4 was apparently reversed. CONCLUSION These results demonstrate that MK-4 can promote the osteogenic differentiation of PDLSCs, which is likely related to the activation of the Wnt/β-catenin signaling pathway.
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Affiliation(s)
- Qun Cui
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, No. 44-1 Wenhua Road West, 250012, Jinan, Shandong, China.
| | - Na Li
- Stomatology Department of The First Affiliated Hospital of Shandong First Medical University, No. 16766, Jingshi Road, 250012, Jinan, Shandong, China.
| | - Fujiao Nie
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, No. 44-1 Wenhua Road West, 250012, Jinan, Shandong, China.
| | - Fan Yang
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, No. 44-1 Wenhua Road West, 250012, Jinan, Shandong, China.
| | - Hongkun Li
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, No. 44-1 Wenhua Road West, 250012, Jinan, Shandong, China.
| | - Jun Zhang
- Department of Orthodontics, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University & Shandong Key Laboratory of Oral Tissue Regeneration & Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, No. 44-1 Wenhua Road West, 250012, Jinan, Shandong, China.
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12
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Kaempferol promotes proliferation and osteogenic differentiation of periodontal ligament stem cells via Wnt/β-catenin signaling pathway. Life Sci 2020; 258:118143. [DOI: 10.1016/j.lfs.2020.118143] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 07/21/2020] [Indexed: 12/20/2022]
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13
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Jin S, Yang C, Huang J, Liu L, Zhang Y, Li S, Zhang L, Sun Q, Yang P. Conditioned medium derived from FGF-2-modified GMSCs enhances migration and angiogenesis of human umbilical vein endothelial cells. Stem Cell Res Ther 2020; 11:68. [PMID: 32070425 PMCID: PMC7029497 DOI: 10.1186/s13287-020-1584-3] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 01/19/2020] [Accepted: 02/04/2020] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Angiogenesis plays an important role in tissue repair and regeneration, and conditioned medium (CM) derived from mesenchymal stem cells (MSC-CM) possesses pro-angiogenesis. Nevertheless, the profile and concentration of growth factors in MSC-CM remain to be optimized. Fibroblast growth factor-2 (FGF-2) has been proven to be an effective angiogenic factor. Thus, the aim of this study was to verify whether FGF-2 gene overexpression optimized CM from human gingival mesenchymal stem cells (hGMSCs) and whether such optimized CM possessed more favorable pro-angiogenesis effect. METHODS First, FGF-2 gene-modified hGMSCs were constructed using lentiviral transfection technology (LV-FGF-2+-hGMSCs) and the concentration of angiogenesis-related factors in LV-FGF-2+-hGMSC-CM was determined by ELISA. Then, human umbilical vein endothelial cells (HUVECs) were co-cultured for 3 days with LV-FGF-2+-hGMSC-CM, and the expression level of placenta growth factor (PLGF), stem cell factor (SCF), vascular endothelial growth factor receptor 2 (VEGFR2) in HUVECs were determined by qRT-PCR, western blot, and cellular immunofluorescence techniques. The migration assay using transwell and in vitro tube formation experiments on matrigel matrix was conducted to determine the chemotaxis and angiogenesis enhanced by LV-FGF-2+-hGMSC-CM. Finally, NOD-SCID mice were injected with matrigel mixed LV-FGF-2+-hGMSC-CM, and the plug sections were analyzed by immunohistochemistry staining with anti-human CD31 antibody. RESULTS LV-FGF-2+-hGMSC-CM contained significantly more FGF-2, vascular endothelial growth factor A (VEGF-A), and transforming growth factor β (TGF-β) than hGMSC-CM. HUVECs pretreated with LV-FGF-2+-hGMSC-CM expressed significantly more PLGF, SCF, and VEGFR2 at gene and protein level than hGMSC-CM pretreated HUVECs. Compared with hGMSC-CM, LV-FGF-2+-hGMSC-CM presented significantly stronger chemotaxis to HUVECs and significantly strengthened HUVECs mediated in vitro tube formation ability. In vivo, LV-FGF-2+-hGMSC-CM also possessed stronger promoting angiogenesis ability than hGMSC-CM. CONCLUSIONS Overexpression of FGF-2 gene promotes hGMSCs paracrine of angiogenesis-related growth factors, thereby obtaining an optimized conditioned medium for angiogenesis promotion.
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Affiliation(s)
- Shanshan Jin
- Department of Periodontology, School and Hospital of Stomatology, Shandong University, No.44-1 Wenhua Road West, Jinan, 250012, Shandong, China
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China
- Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - Chengzhe Yang
- Department of Stomatology, Qilu Hospital of Shandong University, Jinan, Shandong, China
| | - Jiahui Huang
- Department of Periodontology, School and Hospital of Stomatology, Shandong University, No.44-1 Wenhua Road West, Jinan, 250012, Shandong, China
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China
- Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - Lianlian Liu
- Department of Periodontology, School and Hospital of Stomatology, Shandong University, No.44-1 Wenhua Road West, Jinan, 250012, Shandong, China
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China
- Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - Yu Zhang
- Department of Periodontology, School and Hospital of Stomatology, Shandong University, No.44-1 Wenhua Road West, Jinan, 250012, Shandong, China
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China
- Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - Shutong Li
- Department of Periodontology, School and Hospital of Stomatology, Shandong University, No.44-1 Wenhua Road West, Jinan, 250012, Shandong, China
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China
- Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - Liguo Zhang
- Department of Periodontology, School and Hospital of Stomatology, Shandong University, No.44-1 Wenhua Road West, Jinan, 250012, Shandong, China
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China
- Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - Qinfeng Sun
- Department of Periodontology, School and Hospital of Stomatology, Shandong University, No.44-1 Wenhua Road West, Jinan, 250012, Shandong, China.
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China.
- Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China.
| | - Pishan Yang
- Department of Periodontology, School and Hospital of Stomatology, Shandong University, No.44-1 Wenhua Road West, Jinan, 250012, Shandong, China.
- Shandong Provincial Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China.
- Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China.
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14
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Qi Z, Xia P, Pan S, Zheng S, Fu C, Chang Y, Ma Y, Wang J, Yang X. Combined treatment with electrical stimulation and insulin-like growth factor-1 promotes bone regeneration in vitro. PLoS One 2018; 13:e0197006. [PMID: 29746517 PMCID: PMC5944947 DOI: 10.1371/journal.pone.0197006] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2018] [Accepted: 04/24/2018] [Indexed: 12/12/2022] Open
Abstract
Electrical stimulation (ES) and insulin-like growth factor-1 (IGF-1) are widely used in bone regeneration because of their osteogenic activity. However, the combined effects of ES and supplemental IGF-1 on the whole bone formation process remain unclear. In this study, fluorescence staining and an MTT assay were first utilized to observe the influence of ES and IGF-1 on MC3T3-E1 cell proliferation and adhesion in vitro. Subsequently, osteogenic differentiation was evaluated by the alkaline phosphatase activity (ALP) and the expression of osteogenic marker genes. In addition, cell mineralization was determined by alizarin red staining and scanning electron microscopy (SEM). We demonstrated that the MC3T3-E1 cell proliferation was significantly higher for treatments combining IGF-1 and ES than for treatments with IGF-1 alone. The combination of IGF-1 and ES increased the MC3T3-E1 cell ALP activity, the expression of osteogenesis-related genes and the calcium deposition with a clear dose-dependent effect. Our data show the synergistic effect of IGF-1 and ES in promoting the proliferation, differentiation and mineralization of MC3T3-E1 cells, which suggests that it would be more effective to combine the proper dose of IGF-1 with ES to promote local bone damage repair and regeneration.
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Affiliation(s)
- Zhiping Qi
- Department of Orthopedic Surgery, the Second Hospital of Jilin University, Changchun, PR China
| | - Peng Xia
- Department of Orthopedic Surgery, the Second Hospital of Jilin University, Changchun, PR China
| | - Su Pan
- Department of Orthopedic Surgery, the Second Hospital of Jilin University, Changchun, PR China
| | - Shuang Zheng
- Department of Orthopedic Surgery, the Second Hospital of Jilin University, Changchun, PR China
| | - Chuan Fu
- Department of Orthopedic Surgery, the Second Hospital of Jilin University, Changchun, PR China
| | - Yuxin Chang
- Department of Orthopedic Surgery, the Second Hospital of Jilin University, Changchun, PR China
| | - Yue Ma
- Department of Gynecological Oncology, the First Hospital of Jilin University, Changchun, PR China
| | - Jincheng Wang
- Department of Orthopedic Surgery, the Second Hospital of Jilin University, Changchun, PR China
- * E-mail: (JW); (XY)
| | - Xiaoyu Yang
- Department of Orthopedic Surgery, the Second Hospital of Jilin University, Changchun, PR China
- * E-mail: (JW); (XY)
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