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Mei G, Wang J, Wang J, Ye L, Yi M, Chen G, Zhang Y, Tang Q, Chen L. The specificities, influencing factors, and medical implications of bone circadian rhythms. FASEB J 2024; 38:e23758. [PMID: 38923594 DOI: 10.1096/fj.202302582rr] [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: 12/13/2023] [Revised: 05/14/2024] [Accepted: 06/13/2024] [Indexed: 06/28/2024]
Abstract
Physiological processes within the human body are regulated in approximately 24-h cycles known as circadian rhythms, serving to adapt to environmental changes. Bone rhythms play pivotal roles in bone development, metabolism, mineralization, and remodeling processes. Bone rhythms exhibit cell specificity, and different cells in bone display various expressions of clock genes. Multiple environmental factors, including light, feeding, exercise, and temperature, affect bone diurnal rhythms through the sympathetic nervous system and various hormones. Disruptions in bone diurnal rhythms contribute to the onset of skeletal disorders such as osteoporosis, osteoarthritis and skeletal hypoplasia. Conversely, these bone diseases can be effectively treated when aimed at the circadian clock in bone cells, including the rhythmic expressions of clock genes and drug targets. In this review, we describe the unique circadian rhythms in physiological activities of various bone cells. Then we summarize the factors synchronizing the diurnal rhythms of bone with the underlying mechanisms. Based on the review, we aim to build an overall understanding of the diurnal rhythms in bone and summarize the new preventive and therapeutic strategies for bone disorders.
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Affiliation(s)
- Gang Mei
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Jinyu Wang
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Jiajia Wang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Lanxiang Ye
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Ming Yi
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Guangjin Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Yifan Zhang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Qingming Tang
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
| | - Lili Chen
- Department of Stomatology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- School of Stomatology, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
- Hubei Province Key Laboratory of Oral and Maxillofacial Development and Regeneration, Wuhan, China
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2
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Soto AF, Teixeira ÉF, Lamers ML, Mengatto CM. Effects of Hemin Supplementation on Bone Precursor Cells: An Experimental Study. Stem Cell Rev Rep 2024; 20:440-442. [PMID: 37837500 DOI: 10.1007/s12015-023-10634-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/16/2023] [Indexed: 10/16/2023]
Affiliation(s)
- Artur Ferronato Soto
- Health Sciences Center, Federal University of Santa Catarina (UFSC), 88040-900, Florianópolis, SC, Brazil
| | - Érico Fabbro Teixeira
- Faculty of Dentistry, Federal University of Rio Grande do Sul (UFRGS), 90035-003, Porto Alegre, RS, Brazil
| | - Marcelo Lazzaron Lamers
- Institute of Basic Health Sciences, Federal University of Rio Grande do Sul (UFRGS), 90035-003, Porto Alegre, RS, Brazil
| | - Cristiane Machado Mengatto
- Department of Conservative Dentistry, Faculty of Dentistry, Federal University of Rio Grande do Sul (UFRGS), 90035-003, Porto Alegre, RS, Brazil.
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Kupka JR, Sagheb K, Al-Nawas B, Schiegnitz E. The Sympathetic Nervous System in Dental Implantology. J Clin Med 2023; 12:jcm12082907. [PMID: 37109243 PMCID: PMC10143978 DOI: 10.3390/jcm12082907] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 04/07/2023] [Accepted: 04/14/2023] [Indexed: 04/29/2023] Open
Abstract
The sympathetic nervous system plays a vital role in various regulatory mechanisms. These include the well-known fight-or-flight response but also, for example, the processing of external stressors. In addition to many other tissues, the sympathetic nervous system influences bone metabolism. This effect could be highly relevant concerning osseointegration, which is responsible for the long-term success of dental implants. Accordingly, this review aims to summarize the current literature on this topic and to reveal future research perspectives. One in vitro study showed differences in mRNA expression of adrenoceptors cultured on implant surfaces. In vivo, sympathectomy impaired osseointegration in mice, while electrical stimulation of the sympathetic nerves promoted it. As expected, the beta-blocker propranolol improves histological implant parameters and micro-CT measurements. Overall, the present data are considered heterogeneous. However, the available publications reveal the potential for future research and development in dental implantology, which helps to introduce new therapeutic strategies and identify risk factors for dental implant failure.
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Affiliation(s)
- Johannes Raphael Kupka
- Department of Oral and Maxillofacial Surgery, University Medical Center Mainz, 55131 Mainz, Germany
| | - Keyvan Sagheb
- Department of Oral and Maxillofacial Surgery, University Medical Center Mainz, 55131 Mainz, Germany
| | - Bilal Al-Nawas
- Department of Oral and Maxillofacial Surgery, University Medical Center Mainz, 55131 Mainz, Germany
| | - Eik Schiegnitz
- Department of Oral and Maxillofacial Surgery, University Medical Center Mainz, 55131 Mainz, Germany
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Clements A, Shibuya Y, Hokugo A, Brooks Z, Roca Y, Kondo T, Nishimura I, Jarrahy R. In vitro assessment of Neuronal PAS domain 2 mitigating compounds for scarless wound healing. Front Med (Lausanne) 2023; 9:1014763. [PMID: 36816724 PMCID: PMC9928850 DOI: 10.3389/fmed.2022.1014763] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2022] [Accepted: 12/09/2022] [Indexed: 02/04/2023] Open
Abstract
Background The core circadian gene Neuronal PAS domain 2 (NPAS2) is expressed in dermal fibroblasts and has been shown to play a critical role in regulating collagen synthesis during wound healing. We have performed high throughput drug screening to identify genes responsible for downregulation of Npas2 while maintaining cell viability. From this, five FDA-approved hit compounds were shown to suppress Npas2 expression in fibroblasts. In this study, we hypothesize that the therapeutic suppression of Npas2 by hit compounds will have two effects: (1) attenuated excessive collagen deposition and (2) accelerated dermal wound healing without hypertrophic scarring. Materials and methods To test the effects of each hit compound (named Dwn1, 2, 3, 4, and 5), primary adult human dermal fibroblasts (HDFa) were treated with either 0, 0.1, 1, or 10 μM of a single hit compound. HDFa behaviors were assessed by picrosirius red staining and quantitative RT-PCR for in vitro collagen synthesis, cell viability assay, in vitro fibroblast-to-myofibroblast differentiation test, and cell migration assays. Results Dwn1 and Dwn2 were found to significantly affect collagen synthesis and cell migration without any cytotoxicity. Dwn3, Dwn4, and Dwn5 did not affect collagen synthesis and were thereby eliminated from further consideration for their role in mitigation of gene expression or myofibroblast differentiation. Dwn1 also attenuated myofibroblast differentiation on HDFa. Conclusion Dwn1 and Dwn2 may serve as possible therapeutic agents for future studies related to skin wound healing.
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Affiliation(s)
- Adam Clements
- Regenerative Bioengineering and Repair Laboratory, Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Yoichiro Shibuya
- Regenerative Bioengineering and Repair Laboratory, Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Akishige Hokugo
- Regenerative Bioengineering and Repair Laboratory, Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States,*Correspondence: Akishige Hokugo,
| | - Zachary Brooks
- Regenerative Bioengineering and Repair Laboratory, Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Yvonne Roca
- Regenerative Bioengineering and Repair Laboratory, Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Takeru Kondo
- Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, University of California, Los Angeles, Los Angeles, CA, United States
| | - Ichiro Nishimura
- Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry, University of California, Los Angeles, Los Angeles, CA, United States,Ichiro Nishimura,
| | - Reza Jarrahy
- Regenerative Bioengineering and Repair Laboratory, Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States,Reza Jarrahy,
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Puig S, Shelton MA, Barko K, Seney ML, Logan RW. Sex-specific role of the circadian transcription factor NPAS2 in opioid tolerance, withdrawal and analgesia. GENES, BRAIN, AND BEHAVIOR 2022; 21:e12829. [PMID: 36053258 PMCID: PMC9744556 DOI: 10.1111/gbb.12829] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 03/27/2022] [Revised: 08/09/2022] [Accepted: 08/09/2022] [Indexed: 02/05/2023]
Abstract
Opioids like fentanyl remain the mainstay treatment for chronic pain. Unfortunately, opioid's high dependence liability has led to the current opioid crisis, in part, because of side-effects that develop during long-term use, including analgesic tolerance and physical dependence. Both tolerance and dependence to opioids may lead to escalation of required doses to achieve previous therapeutic efficacy. Additionally, altered sleep and circadian rhythms are common in people on opioid therapy. Opioids impact sleep and circadian rhythms, while disruptions to sleep and circadian rhythms likely mediate the effects of opioids. However, the mechanisms underlying these bidirectional relationships between circadian rhythms and opioids remain largely unknown. The circadian protein, neuronal PAS domain protein 2 (NPAS2), regulates circadian-dependent gene transcription in structure of the central nervous system that modulate opioids and pain. Here, male and female wild-type and NPAS2-deficient (NPAS2-/-) mice were used to investigate the role of NPAS2 in fentanyl analgesia, tolerance, hyperalgesia and physical dependence. Overall, thermal pain thresholds, acute analgesia and tolerance to a fixed dose of fentanyl were largely similar between wild-type and NPAS2-/- mice. However, female NPAS2-/- exhibited augmented analgesic tolerance and significantly more behavioral symptoms of physical dependence to fentanyl. Only male NPAS2-/- mice had increased fentanyl-induced hypersensitivity, when compared with wild-type males. Together, our findings suggest sex-specific effects of NPAS2 signaling in the regulation of fentanyl-induced tolerance, hyperalgesia and dependence.
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Affiliation(s)
- Stephanie Puig
- Department of Pharmacology and Experimental TherapeuticsBoston University School of MedicineBostonMassachusettsUSA
- Translational Neuroscience Program, Department of PsychiatryUniversity of Pittsburgh School of MedicinePittsburghPennsylvaniaUSA
| | - Micah A. Shelton
- Translational Neuroscience Program, Department of PsychiatryUniversity of Pittsburgh School of MedicinePittsburghPennsylvaniaUSA
| | - Kelly Barko
- Translational Neuroscience Program, Department of PsychiatryUniversity of Pittsburgh School of MedicinePittsburghPennsylvaniaUSA
| | - Marianne L. Seney
- Translational Neuroscience Program, Department of PsychiatryUniversity of Pittsburgh School of MedicinePittsburghPennsylvaniaUSA
| | - Ryan W. Logan
- Department of Pharmacology and Experimental TherapeuticsBoston University School of MedicineBostonMassachusettsUSA
- Translational Neuroscience Program, Department of PsychiatryUniversity of Pittsburgh School of MedicinePittsburghPennsylvaniaUSA
- Center for Systems NeuroscienceBoston UniversityBostonMassachusettsUSA
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Shibuya Y, Hokugo A, Okawa H, Kondo T, Khalil D, Wang L, Roca Y, Clements A, Sasaki H, Berry E, Nishimura I, Jarrahy R. Therapeutic downregulation of neuronal PAS domain 2 ( Npas2) promotes surgical skin wound healing. eLife 2022; 11:e71074. [PMID: 35040776 PMCID: PMC8789286 DOI: 10.7554/elife.71074] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 01/14/2022] [Indexed: 11/13/2022] Open
Abstract
Attempts to minimize scarring remain among the most difficult challenges facing surgeons, despite the use of optimal wound closure techniques. Previously, we reported improved healing of dermal excisional wounds in circadian clock neuronal PAS domain 2 (Npas2)-null mice. In this study, we performed high-throughput drug screening to identify a compound that downregulates Npas2 activity. The hit compound (Dwn1) suppressed circadian Npas2 expression, increased murine dermal fibroblast cell migration, and decreased collagen synthesis in vitro. Based on the in vitro results, Dwn1 was topically applied to iatrogenic full-thickness dorsal cutaneous wounds in a murine model. The Dwn1-treated dermal wounds healed faster with favorable mechanical strength and developed less granulation tissue than the controls. The expression of type I collagen, Tgfβ1, and α-smooth muscle actin was significantly decreased in Dwn1-treated wounds, suggesting that hypertrophic scarring and myofibroblast differentiation are attenuated by Dwn1 treatment. NPAS2 may represent an important target for therapeutic approaches to optimal surgical wound management.
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Affiliation(s)
- Yoichiro Shibuya
- Regenerative Bioengineering and Repair Laboratory, Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of MedicineLos AngelesUnited States
- Weintraub Center for Reconstructive BiotechnologyLos AngelesUnited States
- Department of Plastic and Reconstructive Surgery, Faculty of Medicine, University of TsukubaTsukubaJapan
| | - Akishige Hokugo
- Regenerative Bioengineering and Repair Laboratory, Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of MedicineLos AngelesUnited States
- Weintraub Center for Reconstructive BiotechnologyLos AngelesUnited States
| | - Hiroko Okawa
- Weintraub Center for Reconstructive BiotechnologyLos AngelesUnited States
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of DentistryMiyagiJapan
| | - Takeru Kondo
- Weintraub Center for Reconstructive BiotechnologyLos AngelesUnited States
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of DentistryMiyagiJapan
| | - Daniel Khalil
- Regenerative Bioengineering and Repair Laboratory, Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of MedicineLos AngelesUnited States
| | - Lixin Wang
- Regenerative Bioengineering and Repair Laboratory, Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of MedicineLos AngelesUnited States
| | - Yvonne Roca
- Regenerative Bioengineering and Repair Laboratory, Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of MedicineLos AngelesUnited States
| | - Adam Clements
- Regenerative Bioengineering and Repair Laboratory, Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of MedicineLos AngelesUnited States
| | - Hodaka Sasaki
- Weintraub Center for Reconstructive BiotechnologyLos AngelesUnited States
| | - Ella Berry
- Regenerative Bioengineering and Repair Laboratory, Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of MedicineLos AngelesUnited States
| | - Ichiro Nishimura
- Weintraub Center for Reconstructive BiotechnologyLos AngelesUnited States
| | - Reza Jarrahy
- Regenerative Bioengineering and Repair Laboratory, Division of Plastic and Reconstructive Surgery, Department of Surgery, David Geffen School of MedicineLos AngelesUnited States
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Deng S, Qi M, Gong P, Tan Z. The circadian clock component BMAL1 regulates osteogenesis in osseointegration. Front Pediatr 2022; 10:1091296. [PMID: 36619505 PMCID: PMC9811265 DOI: 10.3389/fped.2022.1091296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2022] [Accepted: 11/11/2022] [Indexed: 12/24/2022] Open
Abstract
Congenital and developmental craniofacial deformities often cause bone defects, misalignment, and soft tissue asymmetry, which can lead to facial function and morphologic abnormalities, especially among children born with cleft lip and palate. Joint efforts from oral maxillofacial surgery, oral implantology, and cosmetic surgery are often required for diagnosis and treatment. As one of the most widely performed treatment methods, implant-supported cranio-maxillofacial prostheses have been widely applied in the course of treatment. Therefore, stability of peri-implant bone tissue is crucial for the long-term success of treatment and patients' quality of life. The circadian clock component brain and muscle aryl hydrocarbon receptor nuclear translocator-like protein 1 (BMAL1) was found to be involved in the cell fate of bone marrow mesenchymal stem cells, which were essential in the fixation of titanium implants. This study aimed to investigate the effect of BMAL1 on osteogenesis in osseointegration, providing a brand new solution to increase bone implant conjunction efficiency and implant stability, paving the way for a long-term satisfactory therapy outcome.
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Affiliation(s)
- Shiyong Deng
- State Key Laboratory of Oral Diseases, National Clinical Research Center of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Meiyao Qi
- State Key Laboratory of Oral Diseases, National Clinical Research Center of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Ping Gong
- State Key Laboratory of Oral Diseases, National Clinical Research Center of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
| | - Zhen Tan
- State Key Laboratory of Oral Diseases, National Clinical Research Center of Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu, China.,Department of Implantology, West China Hospital of Stomatology, Sichuan University, Chengdu, China
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Su H, Xue H, Gao S, Yan B, Wang R, Tan G, Xu Z, Zeng L. Effect of Rhizoma Drynariae on differential gene expression in ovariectomized rats with osteoporosis based on transcriptome sequencing. Front Endocrinol (Lausanne) 2022; 13:930912. [PMID: 35983515 PMCID: PMC9380231 DOI: 10.3389/fendo.2022.930912] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 06/30/2022] [Indexed: 11/13/2022] Open
Abstract
Osteoporosis is increasingly becoming a serious problem affecting the quality of life of the older population. Several experimental studies have shown that Chinese medicine has a definite effect on improving osteoporosis. Based on transcriptome sequencing, we analyzed the differential gene expression and mechanism of the related signaling pathways. Fifteen rats were randomly divided into an experimental group, a model group, and a sham surgery group. The rat model for menopausal osteoporosis was established using an ovariectomy method. One week after modeling, the experimental group was administered(intragastric administration)8.1 g/kg of Rhizoma drynariae, whereas the model and sham groups received 0.9% saline solution twice daily for 12 weeks. Subsequently, the rats were sacrificed, and the left femur of each group was removed for computerized tomography testing, while right femurs were used for hematoxylin and eosin staining. High-throughput RNA sequencing and functional and pathway enrichment analyses were performed. Comparing the gene expression between the experimental and model groups, 149 differential genes were identified, of which 44 were downregulated and 105 were upregulated. The criteria for statistical significance were |log2 Fold Change| > 1 and P < 0.05. Gene ontology analysis showed that the differentially expressed genes were enriched in cell component terms such as cell part and outer cell membrane part, and the genes were associated with cell process, biological regulation, metabolic processes, DNA transcription, and catalytic activity. Enrichment analysis of Kyoto Encyclopedia of Genes and Genomes pathways showed significantly enriched pathways associated with systemic lupus erythematosus, herpes simplex infection, circadian rhythm, vascular smooth muscle contraction, the AGE-RAGE signaling pathway in diabetic complications, and the TNF, Apelin, and Ras signaling pathways. Our results revealed that the Npas2, Dbp, Rt1, Arntl, Grem2, H2bc9, LOC501233, Pla2g2c, Hpgd, Pde6c, and Dner genes, and the circadian rhythm, lipid metabolism, inflammatory signaling pathway, and immune pathways may be the key targets and pathways for traditional Chinese medicine therapy of Rhizoma Drynariae in osteoporosis.
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Affiliation(s)
- Hui Su
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Haipeng Xue
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Shang Gao
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Binghan Yan
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Ruochong Wang
- College of traditional Chinese medicine, Beijing University of Traditional Chinese Medicine, Beijing, China
| | - Guoqing Tan
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
- *Correspondence: Guoqing Tan, ; Zhanwang Xu, ; Lingfeng Zeng,
| | - Zhanwang Xu
- First Clinical Medical College, Shandong University of Traditional Chinese Medicine, Jinan, China
- Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
- *Correspondence: Guoqing Tan, ; Zhanwang Xu, ; Lingfeng Zeng,
| | - Lingfeng Zeng
- The 2nd Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
- *Correspondence: Guoqing Tan, ; Zhanwang Xu, ; Lingfeng Zeng,
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9
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Hou J, Xiao Z, Liu Z, Zhao H, Zhu Y, Guo L, Zhang Z, Ritchie RO, Wei Y, Deng X. An Amorphous Peri-Implant Ligament with Combined Osteointegration and Energy-Dissipation. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2021; 33:e2103727. [PMID: 34569118 DOI: 10.1002/adma.202103727] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/17/2021] [Revised: 07/18/2021] [Indexed: 06/13/2023]
Abstract
Progress toward developing metal implants as permanent hard-tissue substitutes requires both osteointegration to achieve load-bearing support, and energy-dissipation to prevent overload-induced bone resorption. However, in existing implants these two properties can only be achieved separately. Optimized by natural evolution, tooth-periodontal-ligaments with fiber-bundle structures can efficiently orchestrate load-bearing and energy dissipation, which make tooth-bone complexes survive extremely high occlusion loads (>300 N) for prolonged lifetimes. Here, a bioinspired peri-implant ligament with simultaneously enhanced osteointegration and energy-dissipation is presented, which is based on the periodontium-mimetic architecture of a polymer-infiltrated, amorphous, titania nanotube array. The artificial ligament not only provides exceptional osteoinductivity owing to its nanotopography and beneficial ingredients, but also produces periodontium-similar energy dissipation due to the complexity of the force transmission modes and interface sliding. The ligament increases bone-implant contact by more than 18% and simultaneously reduces the effective stress transfer from implant to peri-implant bone by ≈30% as compared to titanium implants, which as far as is known has not previously been achieved. It is anticipated that the concept of an artificial ligament will open new possibilities for developing high-performance implanted materials with increased lifespans.
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Affiliation(s)
- Junyu Hou
- Beijing Advanced Innovation Center for Biomedical Engineering, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Zuohui Xiao
- Department of Geriatric Dentistry, NMPA Key Laboratory for Dental Materials, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Laboratory of Biomedical Materials, Peking University School and Hospital of Stomatology, Beijing, 100081, P. R. China
| | - Zengqian Liu
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, P. R. China
| | - Hewei Zhao
- Beijing Advanced Innovation Center for Biomedical Engineering, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Yankun Zhu
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, P. R. China
| | - Lin Guo
- Beijing Advanced Innovation Center for Biomedical Engineering, School of Chemistry, Beihang University, Beijing, 100191, P. R. China
| | - Zhefeng Zhang
- Institute of Metal Research, Chinese Academy of Sciences, Shenyang, 110016, P. R. China
| | - Robert O Ritchie
- Department of Materials Science and Engineering, University of California Berkeley, Berkeley, CA, 94720, USA
| | - Yan Wei
- Department of Geriatric Dentistry, NMPA Key Laboratory for Dental Materials, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Laboratory of Biomedical Materials, Peking University School and Hospital of Stomatology, Beijing, 100081, P. R. China
| | - Xuliang Deng
- Department of Geriatric Dentistry, NMPA Key Laboratory for Dental Materials, National Engineering Laboratory for Digital and Material Technology of Stomatology, Beijing Laboratory of Biomedical Materials, Peking University School and Hospital of Stomatology, Beijing, 100081, P. R. China
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10
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Blanc-Sylvestre N, Bouchard P, Chaussain C, Bardet C. Pre-Clinical Models in Implant Dentistry: Past, Present, Future. Biomedicines 2021; 9:1538. [PMID: 34829765 PMCID: PMC8615291 DOI: 10.3390/biomedicines9111538] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2021] [Revised: 10/11/2021] [Accepted: 10/15/2021] [Indexed: 12/23/2022] Open
Abstract
Biomedical research seeks to generate experimental results for translation to clinical settings. In order to improve the transition from bench to bedside, researchers must draw justifiable conclusions based on data from an appropriate model. Animal testing, as a prerequisite to human clinical exposure, is performed in a range of species, from laboratory mice to larger animals (such as dogs or non-human primates). Minipigs appear to be the animal of choice for studying bone surgery around intraoral dental implants. Dog models, well-known in the field of dental implant research, tend now to be used for studies conducted under compromised oral conditions (biofilm). Regarding small animal models, research studies mostly use rodents, with interest in rabbit models declining. Mouse models remain a reference for genetic studies. On the other hand, over the last decade, scientific advances and government guidelines have led to the replacement, reduction, and refinement of the use of all animal models in dental implant research. In new development strategies, some in vivo experiments are being progressively replaced by in vitro or biomaterial approaches. In this review, we summarize the key information on the animal models currently available for dental implant research and highlight (i) the pros and cons of each type, (ii) new levels of decisional procedures regarding study objectives, and (iii) the outlook for animal research, discussing possible non-animal options.
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Affiliation(s)
- Nicolas Blanc-Sylvestre
- Université de Paris, Institut des Maladies Musculo-Squelettiques, Orofacial Pathologies, Imaging and Biotherapies Laboratory URP2496 and FHU-DDS-Net, Dental School, and Plateforme d’Imagerie du Vivant (PIV), 92120 Montrouge, France; (N.B.-S.); (P.B.); (C.C.)
- AP-HP, Department of Periodontology, Rothschild Hospital, European Postgraduate in Periodontology and Implantology, Université de Paris, 75012 Paris, France
| | - Philippe Bouchard
- Université de Paris, Institut des Maladies Musculo-Squelettiques, Orofacial Pathologies, Imaging and Biotherapies Laboratory URP2496 and FHU-DDS-Net, Dental School, and Plateforme d’Imagerie du Vivant (PIV), 92120 Montrouge, France; (N.B.-S.); (P.B.); (C.C.)
- AP-HP, Department of Periodontology, Rothschild Hospital, European Postgraduate in Periodontology and Implantology, Université de Paris, 75012 Paris, France
| | - Catherine Chaussain
- Université de Paris, Institut des Maladies Musculo-Squelettiques, Orofacial Pathologies, Imaging and Biotherapies Laboratory URP2496 and FHU-DDS-Net, Dental School, and Plateforme d’Imagerie du Vivant (PIV), 92120 Montrouge, France; (N.B.-S.); (P.B.); (C.C.)
- AP-HP, Reference Center for Rare Disorders of the Calcium and Phosphate Metabolism, Dental Medicine Department, Bretonneau Hospital, GHN-Université de Paris, 75018 Paris, France
| | - Claire Bardet
- Université de Paris, Institut des Maladies Musculo-Squelettiques, Orofacial Pathologies, Imaging and Biotherapies Laboratory URP2496 and FHU-DDS-Net, Dental School, and Plateforme d’Imagerie du Vivant (PIV), 92120 Montrouge, France; (N.B.-S.); (P.B.); (C.C.)
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11
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Xi W, Hegde V, Zoller SD, Park HY, Hart CM, Kondo T, Hamad CD, Hu Y, Loftin AH, Johansen DO, Burke Z, Clarkson S, Ishmael C, Hori K, Mamouei Z, Okawa H, Nishimura I, Bernthal NM, Segura T. Point-of-care antimicrobial coating protects orthopaedic implants from bacterial challenge. Nat Commun 2021; 12:5473. [PMID: 34531396 PMCID: PMC8445967 DOI: 10.1038/s41467-021-25383-z] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2021] [Accepted: 07/29/2021] [Indexed: 11/24/2022] Open
Abstract
Implant related infections are the most common cause of joint arthroplasty failure, requiring revision surgeries and a new implant, resulting in a cost of $8.6 billion annually. To address this problem, we created a class of coating technology that is applied in the operating room, in a procedure that takes less than 10 min, and can incorporate any desired antibiotic. Our coating technology uses an in situ coupling reaction of branched poly(ethylene glycol) and poly(allyl mercaptan) (PEG-PAM) polymers to generate an amphiphilic polymeric coating. We show in vivo efficacy in preventing implant infection in both post-arthroplasty infection and post-spinal surgery infection mouse models. Our technology displays efficacy with or without systemic antibiotics, the standard of care. Our coating technology is applied in a clinically relevant time frame, does not require modification of implant manufacturing process, and does not change the implant shelf life.
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Affiliation(s)
- Weixian Xi
- Department of Chemical and Biomolecular Engineering, University of California Los Angeles, Los Angeles, CA, United States
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States
| | - Vishal Hegde
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States
| | - Stephen D Zoller
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States
| | - Howard Y Park
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States
| | - Christopher M Hart
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States
| | - Takeru Kondo
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, University of California Los Angeles School of Dentistry, Los Angeles, CA, United States
| | - Christopher D Hamad
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States
| | - Yan Hu
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States
| | - Amanda H Loftin
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States
| | - Daniel O Johansen
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States
| | - Zachary Burke
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States
| | - Samuel Clarkson
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States
| | - Chad Ishmael
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States
| | - Kellyn Hori
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States
| | - Zeinab Mamouei
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States
| | - Hiroko Okawa
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, University of California Los Angeles School of Dentistry, Los Angeles, CA, United States
| | - Ichiro Nishimura
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, University of California Los Angeles School of Dentistry, Los Angeles, CA, United States
| | - Nicholas M Bernthal
- Department of Orthopaedic Surgery, Orthopaedic Hospital Research Center, David Geffen School of Medicine at University of California Los Angeles, Los Angeles, CA, United States.
| | - Tatiana Segura
- Department of Chemical and Biomolecular Engineering, University of California Los Angeles, Los Angeles, CA, United States.
- Department of Biomedical Engineering, Neurology, Dermatology, Duke University, Durham, NC, United States.
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12
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Xie C, Ye J, Liang R, Yao X, Wu X, Koh Y, Wei W, Zhang X, Ouyang H. Advanced Strategies of Biomimetic Tissue-Engineered Grafts for Bone Regeneration. Adv Healthc Mater 2021; 10:e2100408. [PMID: 33949147 DOI: 10.1002/adhm.202100408] [Citation(s) in RCA: 52] [Impact Index Per Article: 17.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2021] [Revised: 04/16/2021] [Indexed: 12/21/2022]
Abstract
The failure to repair critical-sized bone defects often leads to incomplete regeneration or fracture non-union. Tissue-engineered grafts have been recognized as an alternative strategy for bone regeneration due to their potential to repair defects. To design a successful tissue-engineered graft requires the understanding of physicochemical optimization to mimic the composition and structure of native bone, as well as the biological strategies of mimicking the key biological elements during bone regeneration process. This review provides an overview of engineered graft-based strategies focusing on physicochemical properties of materials and graft structure optimization from macroscale to nanoscale to further boost bone regeneration, and it summarizes biological strategies which mainly focus on growth factors following bone regeneration pattern and stem cell-based strategies for more efficient repair. Finally, it discusses the current limitations of existing strategies upon bone repair and highlights a promising strategy for rapid bone regeneration.
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Affiliation(s)
- Chang Xie
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310058 China
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
- Department of Sports Medicine Zhejiang University School of Medicine Hangzhou 310058 China
| | - Jinchun Ye
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310058 China
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
| | - Renjie Liang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310058 China
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
| | - Xudong Yao
- The Fourth Affiliated Hospital Zhejiang University School of Medicine Yiwu 322000 China
| | - Xinyu Wu
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310058 China
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
| | - Yiwen Koh
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
| | - Wei Wei
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
- China Orthopedic Regenerative Medicine Group (CORMed) Hangzhou 310058 China
| | - Xianzhu Zhang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310058 China
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
| | - Hongwei Ouyang
- Dr. Li Dak Sum & Yip Yio Chin Center for Stem Cells and Regenerative Medicine and Department of Orthopedic Surgery of the Second Affiliated Hospital Zhejiang University School of Medicine Hangzhou 310058 China
- Zhejiang University‐University of Edinburgh Institute Zhejiang University School of Medicine and Key Laboratory of Tissue Engineering and Regenerative Medicine of Zhejiang Province Zhejiang University School of Medicine Hangzhou 314499 China
- Department of Sports Medicine Zhejiang University School of Medicine Hangzhou 310058 China
- China Orthopedic Regenerative Medicine Group (CORMed) Hangzhou 310058 China
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13
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Okazaki Y, Katsuda SI. Biological Safety Evaluation and Surface Modification of Biocompatible Ti-15Zr-4Nb Alloy. MATERIALS 2021; 14:ma14040731. [PMID: 33557312 PMCID: PMC7914436 DOI: 10.3390/ma14040731] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2020] [Revised: 01/18/2021] [Accepted: 02/01/2021] [Indexed: 12/18/2022]
Abstract
We performed biological safety evaluation tests of three Ti–Zr alloys under accelerated extraction condition. We also conducted histopathological analysis of long-term implantation of pure V, Al, Ni, Zr, Nb, and Ta metals as well as Ni–Ti and high-V-containing Ti–15V–3Al–3Sn alloys in rats. The effect of the dental implant (screw) shape on morphometrical parameters was investigated using rabbits. Moreover, we examined the maximum pullout properties of grit-blasted Ti–Zr alloys after their implantation in rabbits. The biological safety evaluation tests of three Ti–Zr alloys (Ti–15Zr–4Nb, Ti–15Zr–4Nb–1Ta, and Ti–15Zr–4Nb–4Ta) showed no adverse (negative) effects of either normal or accelerated extraction. No bone was formed around the pure V and Ni implants. The Al, Zr, Nb, and Ni–Ti implants were surrounded by new bone. The new bone formed around Ti–Ni and high-V-containing Ti alloys tended to be thinner than that formed around Ti–Zr and Ti–6Al–4V alloys. The rate of bone formation on the threaded portion in the Ti–15Zr–4Nb–4Ta dental implant was the same as that on a smooth surface. The maximum pullout loads of the grit- and shot-blasted Ti–Zr alloys increased linearly with implantation period in rabbits. The pullout load of grit-blasted Ti–Zr alloy rods was higher than that of shot-blasted ones. The surface roughness (Ra) and area ratio of residual Al2O3 particles of the Ti–15Zr–4Nb alloy surface grit-blasted with Al2O3 particles were the same as those of the grit-blasted Alloclassic stem surface. It was clarified that the grit-blasted Ti–15Zr–4Nb alloy could be used for artificial hip joint stems.
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Affiliation(s)
- Yoshimitsu Okazaki
- Department of Life Science and Biotechnology, National Institute of Advanced Industrial Science and Technology, 1-1 Higashi 1-Chome, Tsukuba 305-8566, Ibaraki, Japan
- Correspondence: ; Tel.: +81-29-861-7179
| | - Shin-ichi Katsuda
- Japan Food Research Laboratory, 2-3 Bunkyo, Chitose 206-0025, Hokkaido, Japan;
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14
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Wang YN, Jia TT, Feng Y, Liu SY, Zhang WJ, Zhang DJ, Xu X. Hyperlipidemia Impairs Osseointegration via the ROS/Wnt/β-Catenin Pathway. J Dent Res 2021; 100:658-665. [PMID: 33402029 DOI: 10.1177/0022034520983245] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The influence of hyperlipidemia on titanium implant osseointegration and the underlying mechanisms is not well understood. This study investigates the changes in osseointegration and explores the potential mechanisms in hyperlipidemia conditions. In vivo, specialized titanium implants were implanted in the femurs of diet-induced or genetic hyperlipidemia mice. In vitro, primary murine osteoblasts were cultured on the titanium surface in high-fat medium. Results showed that hyperlipidemia led to poor osseointegration in both types of mice in vivo, and high-fat medium impaired the osteogenic differentiation of primary osteoblasts on the titanium surface in vitro. In addition, high-fat medium caused significant overproduction of reactive oxygen species (ROS) and inhibition of the Wnt/β-catenin pathway in osteoblasts. Both N-acetyl-L-cysteine (NAC, an ROS antagonist) and Wnt3a (an activator of the Wnt/β-catenin pathway) attenuated the poor osteogenic ability of osteoblasts. In addition, NAC reactivated the Wnt/β-catenin pathway in osteoblasts under high-fat stimulation. These results demonstrate that hyperlipidemia impairs osseointegration via the ROS/Wnt/β-catenin pathway and provide support for the ROS or Wnt/β-catenin pathway as a promising therapeutic target for the development of novel drugs or implant materials to improve the osseointegration of implants in hyperlipidemic patients.
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Affiliation(s)
- Y N Wang
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.,Shandong Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - T T Jia
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.,Shandong Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - Y Feng
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.,Shandong Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - S Y Liu
- Shandong Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China.,Department of Periodontology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China
| | - W J Zhang
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.,Shandong Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - D J Zhang
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.,Shandong Key Laboratory of Oral Tissue Regeneration, Jinan, Shandong, China.,Shandong Engineering Laboratory for Dental Materials and Oral Tissue Regeneration, Jinan, Shandong, China
| | - X Xu
- Department of Implantology, School and Hospital of Stomatology, Cheeloo College of Medicine, Shandong University, Jinan, Shandong, China.,Shandong 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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15
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Chen M, Tao B, Hu Y, Li M, Chen M, Tan L, Luo Z, Cai K. Enhanced biocompatibility and osteogenic differentiation of mesenchymal stem cells of titanium by Sr-Ga clavate double hydroxides. J Mater Chem B 2021; 9:6029-6036. [PMID: 34259279 DOI: 10.1039/d1tb00805f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
To improve in vivo osseointegration of pure titanium implant, Sr-Ga clavate double hydroxide (CDH) coating was grown in situ on a titanium (Ti) substrate with simple hydrothermal and calcination treatments at 500 °C. The obtained coating on the Ti substrate (Ti-CDH and Ti-CDH500) was researched by scanning electron microscopy (SEM), X-ray diffraction (XRD), and energy dispersive spectroscopy (EDS). Ti-CDH exhibited a sustained release profile of metal ions and maintained a slightly alkaline environment. The CDH coating was beneficial for osteogenic differentiation of mesenchymal stem cells (MSCs), which were reflected by the results of cellular assays, including alkaline phosphatase activity (ALP), cell mineralization capability (ARS), and osteogenesis-related gene expression. Besides, Ti-CDH could effectively improve the autophagic levels in MSCs, which further promoted osteogenic differentiation of MSCs. Hence, the Ti surface with Sr-Ga CDH modification supplied a simple and effective strategy to design biomaterials for bone generation.
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Affiliation(s)
- Maowen Chen
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China.
| | - Bailong Tao
- Laboratory Research Center, The First Affiliated Hospital of Chongqing Medical University, Chongqing, 400016, China
| | - Yan Hu
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China.
| | - Menghuan Li
- School of Life Science, Chongqing University, Chongqing 400044, China
| | - Maohua Chen
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China.
| | - Lu Tan
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China.
| | - Zhong Luo
- School of Life Science, Chongqing University, Chongqing 400044, China
| | - Kaiyong Cai
- Key Laboratory of Biorheological Science and Technology, Ministry of Education, College of Bioengineering, Chongqing University, Chongqing 400044, China.
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16
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Okawa H, Egusa H, Nishimura I. Implications of the circadian clock in implant dentistry. Dent Mater J 2020; 39:173-180. [PMID: 32115492 DOI: 10.4012/dmj.2019-291] [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] [Indexed: 11/23/2022]
Abstract
Circadian rhythms are approximately 24-h cell-autonomous cycles driven by transcription and translation feedback loops of a set of core circadian clock genes, such as circadian locomoter output cycles kaput (Clock), brain and muscle arnt-like protein-1 (Bmal1), period (Per), and cryptochrome (Cry). The genetic clockwork of these genes produces circadian rhythms in cells throughout the body, including the craniofacial region. During development, dento-alveolar bone tissue formation could be regulated by site-specific circadian patterns. Studies using knockout mice and mesenchymal stem cells (MSCs) to evaluate clock genes revealed regulatory effects of clock function on bone remodeling, suggesting involvement of the circadian clockwork in osseointegration of titanium implants. Indeed, rough surface titanium modulates specific clock genes, Neuronal PAS domain protein-2 (Npas2) and Per, in MSCs to facilitate osseointegration. Further understanding of the bone clock machinery associated with biomaterial surface properties might improve preoperative diagnosis for dental implant treatments.
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Affiliation(s)
- Hiroko Okawa
- Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry.,Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry
| | - Hiroshi Egusa
- Division of Molecular and Regenerative Prosthodontics, Tohoku University Graduate School of Dentistry
| | - Ichiro Nishimura
- Weintraub Center for Reconstructive Biotechnology, UCLA School of Dentistry
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17
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Han F, Wang J, Ding L, Hu Y, Li W, Yuan Z, Guo Q, Zhu C, Yu L, Wang H, Zhao Z, Jia L, Li J, Yu Y, Zhang W, Chu G, Chen S, Li B. Tissue Engineering and Regenerative Medicine: Achievements, Future, and Sustainability in Asia. Front Bioeng Biotechnol 2020; 8:83. [PMID: 32266221 PMCID: PMC7105900 DOI: 10.3389/fbioe.2020.00083] [Citation(s) in RCA: 100] [Impact Index Per Article: 25.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2019] [Accepted: 01/29/2020] [Indexed: 12/11/2022] Open
Abstract
Exploring innovative solutions to improve the healthcare of the aging and diseased population continues to be a global challenge. Among a number of strategies toward this goal, tissue engineering and regenerative medicine (TERM) has gradually evolved into a promising approach to meet future needs of patients. TERM has recently received increasing attention in Asia, as evidenced by the markedly increased number of researchers, publications, clinical trials, and translational products. This review aims to give a brief overview of TERM development in Asia over the last decade by highlighting some of the important advances in this field and featuring major achievements of representative research groups. The development of novel biomaterials and enabling technologies, identification of new cell sources, and applications of TERM in various tissues are briefly introduced. Finally, the achievement of TERM in Asia, including important publications, representative discoveries, clinical trials, and examples of commercial products will be introduced. Discussion on current limitations and future directions in this hot topic will also be provided.
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Affiliation(s)
- Fengxuan Han
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Jiayuan Wang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Luguang Ding
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Yuanbin Hu
- Department of Orthopaedics, Zhongda Hospital, Southeast University, Nanjing, China
| | - Wenquan Li
- Department of Otolaryngology, The Second Affiliated Hospital of Soochow University, Suzhou, China
| | - Zhangqin Yuan
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Qianping Guo
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Caihong Zhu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Li Yu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Huan Wang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Zhongliang Zhao
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Luanluan Jia
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Jiaying Li
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Yingkang Yu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Weidong Zhang
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Genglei Chu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
| | - Song Chen
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
| | - Bin Li
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, China
- Orthopaedic Institute, Soochow University, Suzhou, China
- China Orthopedic Regenerative Medicine Group (CORMed), Hangzhou, China
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18
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Zhu M, Liu X, Tan L, Cui Z, Liang Y, Li Z, Kwok Yeung KW, Wu S. Photo-responsive chitosan/Ag/MoS 2 for rapid bacteria-killing. JOURNAL OF HAZARDOUS MATERIALS 2020; 383:121122. [PMID: 31518801 DOI: 10.1016/j.jhazmat.2019.121122] [Citation(s) in RCA: 97] [Impact Index Per Article: 24.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/07/2019] [Revised: 08/27/2019] [Accepted: 08/28/2019] [Indexed: 05/07/2023]
Abstract
Bacterial infection is a serious problem threatening human health. The chitosan (CS)-modified MoS2 coating loaded with silver nanoparticles (Ag NPs) was designed on the surface of titanium (Ti) to kill bacteria rapidly and efficiently under 660 nm visible light. Ag/MoS2 exhibited high photocatalytic activity due to the rapid transfer of photo-inspired electrons from MoS2 to Ag NPs, resulting in higher yields of radical oxygen species (ROS) to kill bacteria. The covering of CS made the composite coating positively charged to further enhance the antibacterial property of the coating. In addition, CS/Ag/MoS2-Ti also showed a certain photothermal effect. in vitro results showed that the antibacterial efficiency of the coating on Staphylococcus aureus and Escherichia coli was 98.66% and 99.77% respectively, when the coating was irradiated by 660 nm visible light for 20 min. Cell culture tests showed that CS/Ag/MoS2-Ti had no adverse effects on cell growth. Hence, this surface system will be a very promising strategy for eliminating bacterial infection on biomedical device and implants safely and effectively within a short time.
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Affiliation(s)
- Min Zhu
- Ministry-of-Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, School of Materials Science & Engineering, Hubei University, Wuhan 430062, China
| | - Xiangmei Liu
- Ministry-of-Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, School of Materials Science & Engineering, Hubei University, Wuhan 430062, China.
| | - Lei Tan
- Ministry-of-Education Key Laboratory for the Green Preparation and Application of Functional Materials, Hubei Key Laboratory of Polymer Materials, School of Materials Science & Engineering, Hubei University, Wuhan 430062, China
| | - Zhenduo Cui
- School of Materials Science & Engineering, the Key Laboratory of Advanced Ceramics and Machining Technology by the Ministry of Education of China, Tianjin University, Tianjin 300072, China
| | - Yanqin Liang
- School of Materials Science & Engineering, the Key Laboratory of Advanced Ceramics and Machining Technology by the Ministry of Education of China, Tianjin University, Tianjin 300072, China
| | - Zhaoyang Li
- School of Materials Science & Engineering, the Key Laboratory of Advanced Ceramics and Machining Technology by the Ministry of Education of China, Tianjin University, Tianjin 300072, China
| | - Kelvin Wai Kwok Yeung
- Department of Orthopaedics & Traumatology, Li Ka Shing Faculty of Medicine, The University of Hong Kong, Pokfulam, Hong Kong 999077, China
| | - Shuilin Wu
- School of Materials Science & Engineering, the Key Laboratory of Advanced Ceramics and Machining Technology by the Ministry of Education of China, Tianjin University, Tianjin 300072, China.
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Peng C, Izawa T, Zhu L, Kuroda K, Okido M. Tailoring Surface Hydrophilicity Property for Biomedical 316L and 304 Stainless Steels: A Special Perspective on Studying Osteoconductivity and Biocompatibility. ACS APPLIED MATERIALS & INTERFACES 2019; 11:45489-45497. [PMID: 31714730 DOI: 10.1021/acsami.9b17312] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Stainless steels used as metal implants in the medical field have been attracting intensive attention due to their advantages in mechanical properties, anticorrosion properties, and cost effectiveness. Good osteoconductivity, low toxicity, and low inflammatory reactions are essential to stainless steel implant in vivo. However, there are few cases about the surface modification performed for enhancing the corrosion resistance, and there are few researches on the relationship between the surface properties of stainless steel and osteoconductivity when used as implants. This study employed 316L and 304 stainless steel for surface modification including hydrothermal treatment after acid immersion and anodizing treatment, while the as-polished stainless steel was used as a control group. Anticorrosion properties, protein adsorption properties, osteoconductivity, and anti-inflammation property of these specimens were intensively investigated in vitro and in vivo. It was found that specimen subjected to hydrothermal treatment at 230 °C after immersion in 18 M H2SO4 had the lowest metal ions release, while the anodized specimen had the highest release of Fe and Cr due to corrosion. The protein adsorption amount of the specimens was positively related to the osteoconductivity, suggesting protein adsorption is the prerequisite for good osteoconductivity. The osteoconductivity decreased first and then increased with the increase in water contact angle (WCA) value. The specimen with the surface modified by hydrothermal treatment after acid immersion had the highest protein adsorption amount and the best osteoconductivity due to its superhydrophilicity property. The protein adsorption capacity and osteoconductivity for stainless steel tended to be the same as Ti alloys studied before, indicating the surface hydrophilicity property of the implanted metals was the dominant factor affecting the osteoconductivity. From an anti-inflammation perspective, the specimen with the surface modified by hydrothermal treatment after acid immersion also exhibited the lowest thickness of the fibrous capsule membrane from the in vivo tests, suggesting its advantageous biocompatibility. Thus, this research can provide new insight into the application of austenitic stainless steel for implanted material purposes.
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Saruta J, Sato N, Ishijima M, Okubo T, Hirota M, Ogawa T. Disproportionate Effect of Sub-Micron Topography on Osteoconductive Capability of Titanium. Int J Mol Sci 2019; 20:ijms20164027. [PMID: 31426563 PMCID: PMC6720784 DOI: 10.3390/ijms20164027] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Revised: 08/16/2019] [Accepted: 08/17/2019] [Indexed: 12/14/2022] Open
Abstract
Titanium micro-scale topography offers excellent osteoconductivity and bone-implant integration. However, the biological effects of sub-micron topography are unknown. We compared osteoblastic phenotypes and in vivo bone and implant integration abilities between titanium surfaces with micro- (1-5 µm) and sub-micro-scale (0.1-0.5 µm) compartmental structures and machined titanium. The calculated average roughness was 12.5 ± 0.65, 123 ± 6.15, and 24 ± 1.2 nm for machined, micro-rough, and sub-micro-rough surfaces, respectively. In culture studies using bone marrow-derived osteoblasts, the micro-rough surface showed the lowest proliferation and fewest cells attaching during the initial stage. Calcium deposition and expression of osteoblastic genes were highest on the sub-micro-rough surface. The bone-implant integration in the Sprague-Dawley male rat femur model was the strongest on the micro-rough surface. Thus, the biological effects of titanium surfaces are not necessarily proportional to the degree of roughness in osteoblastic cultures or in vivo. Sub-micro-rough titanium ameliorates the disadvantage of micro-rough titanium by restoring cell attachment and proliferation. However, bone integration and the ability to retain cells are compromised due to its lower interfacial mechanical locking. This is the first report on sub-micron topography on a titanium surface promoting osteoblast function with minimal osseointegration.
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Affiliation(s)
- Juri Saruta
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA.
| | - Nobuaki Sato
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA
| | - Manabu Ishijima
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA
| | - Takahisa Okubo
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA
| | - Makoto Hirota
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA
| | - Takahiro Ogawa
- Weintraub Center for Reconstructive Biotechnology, Division of Advanced Prosthodontics, UCLA School of Dentistry, Los Angeles, CA 90095-1668, USA
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