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Zhao Z, Geng Y, Ni Q, Chen Y, Cao Y, Lu Y, Wang H, Wang R, Sun W. IFT80 promotes early bone healing of tooth sockets through the activation of TAZ/RUNX2 pathway. Oral Dis 2024; 30:4558-4572. [PMID: 38287672 DOI: 10.1111/odi.14873] [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: 08/22/2023] [Revised: 12/18/2023] [Accepted: 01/09/2024] [Indexed: 01/31/2024]
Abstract
Intraflagellar transport (IFT) proteins have been reported to regulate cell growth and differentiation as the essential functional component of primary cilia. The effects of IFT80 on early bone healing of extraction sockets have not been well studied. To investigate whether deletion of Ift80 in alveolar bone-derived mesenchymal stem cells (aBMSCs) affected socket bone healing, we generated a mouse model of specific knockout of Ift80 in Prx1 mesenchymal lineage cells (Prx1Cre;IFT80f/f). Our results demonstrated that deletion of IFT80 in Prx1 lineage cells decreased the trabecular bone volume, ALP-positive osteoblastic activity, TRAP-positive osteoclastic activity, and OSX-/COL I-/OCN-positive areas in tooth extraction sockets of Prx1Cre; IFT80f/f mice compared with IFT80f/f littermates. Furthermore, aBMSCs from Prx1Cre; IFT80f/f mice showed significantly decreased osteogenic markers and downregulated migration and proliferation capacity. Importantly, the overexpression of TAZ recovered significantly the expressions of osteogenic markers and migration capacity of aBMSCs. Lastly, the local administration of lentivirus for TAZ enhanced the expression of RUNX2 and OSX and promoted early bone healing of extraction sockets from Prx1Cre; IFT80f/f mice. Thus, IFT80 promotes osteogenesis and early bone healing of tooth sockets through the activation of TAZ/RUNX2 pathway.
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Affiliation(s)
- Ziwei Zhao
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Dental Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Ying Geng
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
| | - Qiaoqi Ni
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
| | - Yue Chen
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
| | - Yanan Cao
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Dental Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Yahui Lu
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
| | - Hua Wang
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Ruixia Wang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Department of Dental Implantology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
| | - Wen Sun
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
- Jiangsu Province Engineering Research Center of Stomatological Translational Medicine, Nanjing, China
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Hu Q, Yang L, Shan Z, Wen S, Lu H, Zou Z, Guo J, Liu X, Xie W, Cao Y, Wang Z, Yang L, Wang X. The interaction of CD300lf and ceramide reduces the development of periodontitis by inhibiting osteoclast differentiation. J Clin Periodontol 2023; 50:183-199. [PMID: 36089906 DOI: 10.1111/jcpe.13724] [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: 03/31/2022] [Revised: 07/24/2022] [Accepted: 09/06/2022] [Indexed: 01/20/2023]
Abstract
AIM The regulation of osteoclasts (OCs) by inhibitory immunoreceptors maintains bone homeostasis and is considered an important determinant of the extent of periodontal pathology. The aim of this study was to investigate the role of the inhibitory immunoreceptor CD300lf and its ligand ceramide in osteoclastogenesis in periodontitis. MATERIALS AND METHODS The expression of CD300lf was measured in vitro and in a ligature-induced periodontitis model. The effect of CD300lf ablation on osteoclastogenesis was examined in ligature-retained and ligature removal periodontitis models. The effect of ceramide, the ligand of CD300lf, was examined in osteoclastogenesis in vitro and in vivo by smearing 20 μg of ceramide dissolved in carboxymethylcellulose on teeth and gingiva every other day in an experimental periodontitis model and ligature removal model. RESULTS CD300lf expression was downregulated during osteoclastogenesis. Ablation of CD300lf in the ligature-induced periodontitis model increased the number of OCs and exacerbated bone damage. Bone resorption caused by CD300lf ablation was reversible following ligature removal. CD300lf-ceramide binding suppressed osteoclastogenesis in vitro and inhibited alveolar bone loss in a mouse periodontitis model. CONCLUSIONS Our findings reveal that CD300lf-ceramide binding plays a critical negative role in alveolar bone loss in periodontitis by inhibiting OCs differentiation.
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Affiliation(s)
- Qiannan Hu
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Lisa Yang
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Zhongyan Shan
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Shuqiong Wen
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Huanzi Lu
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Zhaolei Zou
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Junyi Guo
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Xiangqi Liu
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Wenqiang Xie
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Yang Cao
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Zhi Wang
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Le Yang
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, Guangdong, China
| | - Xi Wang
- Hospital of Stomatology, Guanghua School of Stomatology, Guangdong Provincial Key Laboratory of Stomatology, Sun Yat-Sen University, Guangzhou, Guangdong, China
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Huang Z, Su X, Julaiti M, Chen X, Luan Q. The role of PRX1-expressing cells in periodontal regeneration and wound healing. Front Physiol 2023; 14:978640. [PMID: 36960156 PMCID: PMC10027693 DOI: 10.3389/fphys.2023.978640] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2022] [Accepted: 02/23/2023] [Indexed: 03/09/2023] Open
Abstract
The ideal outcome of wound healing is the complete restoration of the structure and function of the original tissue. Stem cells are one of the key factors in this process. Currently, the strategy of periodontal regeneration based on mesenchymal stem cells (MSCs) is generally used to expand stem cells in vitro and then transplant them in vivo. However, their clinical application is limited. In fact, the human body has the capacity to regenerate through stem cells residing in different tissues, even without external therapeutic intervention. Stem cell niches are present in many adult tissues, such as the periodontal ligament and gingiva, and stem cells might remain in a quiescent state in their niches until they are activated in response to a regenerative need. Activated stem cells can exit the niche and proliferate, self-renew, and differentiate to regenerate original structures. Thus, harnessing the regenerative potential of endogenous stem cells in situ has gained increasing attention as a simpler, safer, and more applicable alternative to stem cell transplantation. Nevertheless, there are several key problems to be solved in the application of periodontal mesenchymal stem cells. Thus, animal studies will be especially important to deepen our knowledge of the in vivo mechanisms of mesenchymal stem cells. Studies with conditional knockout mice, in which the expression of different proteins can be eliminated in a tissue-specific manner, are especially important. Post-natal cells expressing the paired-related homeobox protein 1 (PRX1 or PRRX1), a transcription factor expressed in the mesenchyme during craniofacial and limb development, have been shown to have characteristics of skeletal stem cells. Additionally, following wounding, dermal Prx1+ cells are found out of their dermal niches and contribute to subcutaneous tissue repair. Postnatal Prx1+ cells are uniquely injury-responsive. Meanwhile, current evidence shows that Prx1+ cells contribute to promote dentin formation, wound healing of alveolar bone and formation of mouse molar and periodontal ligament. Initial result of our research group also indicates Prx1-expressing cells in bone tissue around the punch wound area of gingiva increased gradually. Collectively, this review supports the future use of PRX1 cells to stimulate their potential to play an important role in endogenous regeneration during periodontal therapy.
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Affiliation(s)
- Zhen Huang
- Beijing Key Laboratory of Digital Stomatology, NMPA Key Laboratory for Dental Materials, Department of Periodontology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, Peking University School and Hospital of Stomatology, Beijing, China
| | - Xu Su
- Department of Stomatology, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - Miliya Julaiti
- Department of Stomatology, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
| | - Xiaotao Chen
- Department of Stomatology, People’s Hospital of Xinjiang Uygur Autonomous Region, Urumqi, China
- *Correspondence: Xiaotao Chen, ; Qingxian Luan,
| | - Qingxian Luan
- Beijing Key Laboratory of Digital Stomatology, NMPA Key Laboratory for Dental Materials, Department of Periodontology, National Center for Stomatology, National Clinical Research Center for Oral Diseases, National Engineering Research Center of Oral Biomaterials and Digital Medical Devices, Research Center of Engineering and Technology for Computerized Dentistry Ministry of Health, Peking University School and Hospital of Stomatology, Beijing, China
- *Correspondence: Xiaotao Chen, ; Qingxian Luan,
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Gong X, Zhang H, Xu X, Ding Y, Yang X, Cheng Z, Tao D, Hu C, Xiang Y, Sun Y. Tracing PRX1 + cells during molar formation and periodontal ligament reconstruction. Int J Oral Sci 2022; 14:5. [PMID: 35078971 PMCID: PMC8789835 DOI: 10.1038/s41368-021-00155-z] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 12/15/2021] [Accepted: 12/28/2021] [Indexed: 12/11/2022] Open
Abstract
Neural crest-derived mesenchymal stem cells (MSCs) are known to play an essential function during tooth and skeletal development. PRX1+ cells constitute an important MSC subtype that is implicated in osteogenesis. However, their potential function in tooth development and regeneration remains elusive. In the present study, we first assessed the cell fate of PRX1+ cells during molar development and periodontal ligament (PDL) formation in mice. Furthermore, single-cell RNA sequencing analysis was performed to study the distribution of PRX1+ cells in PDL cells. The behavior of PRX1+ cells during PDL reconstruction was investigated using an allogeneic transplanted tooth model. Although PRX1+ cells are spatial specific and can differentiate into almost all types of mesenchymal cells in first molars, their distribution in third molars is highly limited. The PDL formation is associated with a high number of PRX1+ cells; during transplanted teeth PDL reconstruction, PRX1+ cells from the recipient alveolar bone participate in angiogenesis as pericytes. Overall, PRX1+ cells are a key subtype of dental MSCs involved in the formation of mouse molar and PDL and participate in angiogenesis as pericytes during PDL reconstruction after tooth transplantation.
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Affiliation(s)
- Xuyan Gong
- Department of Implantology, School & Hospital of Stomatology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Han Zhang
- Department of Implantology, School & Hospital of Stomatology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Xiaoqiao Xu
- Department of Implantology, School & Hospital of Stomatology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Yunpeng Ding
- Department of Implantology, School & Hospital of Stomatology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Xingbo Yang
- Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Zhiyang Cheng
- Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Dike Tao
- Department of Implantology, School & Hospital of Stomatology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Congjiao Hu
- Department of Implantology, School & Hospital of Stomatology, Tongji University, Shanghai, China.,Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China
| | - Yaozu Xiang
- Shanghai East Hospital, School of Life Sciences and Technology, Tongji University, Shanghai, China
| | - Yao Sun
- Department of Implantology, School & Hospital of Stomatology, Tongji University, Shanghai, China. .,Shanghai Engineering Research Center of Tooth Restoration and Regeneration, Shanghai, China.
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Chen Y, Yang Q, Lv C, Chen Y, Zhao W, Li W, Chen H, Wang H, Sun W, Yuan H. NLRP3 regulates alveolar bone loss in ligature-induced periodontitis by promoting osteoclastic differentiation. Cell Prolif 2020; 54:e12973. [PMID: 33382502 PMCID: PMC7849172 DOI: 10.1111/cpr.12973] [Citation(s) in RCA: 76] [Impact Index Per Article: 19.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2020] [Revised: 11/30/2020] [Accepted: 12/10/2020] [Indexed: 12/20/2022] Open
Abstract
Objectives NLRP3 inflammasome is a critical part of the innate immune system and plays an important role in a variety of inflammatory diseases. However, the effects of NLRP3 inflammasome on periodontitis have not been fully studied. Materials and methods We used ligature‐induced periodontitis models of NLRP3 knockout mice (NLRP3KO) and their wildtype (WT) littermates to compare their alveolar bone phenotypes. We further used Lysm‐Cre/RosanTnG mouse to trace the changes of Lysm‐Cre+ osteoclast precursors in ligature‐induced periodontitis with or without MCC950 treatment. At last, we explored MCC950 as a potential drug for the treatment of periodontitis in vivo and in vitro. Results Here, we showed that the number of osteoclast precursors, osteoclast differentiation and alveolar bone loss were reduced in NLRP3KO mice compared with WT littermates, by using ligature‐induced periodontitis model. Next, MCC950, a specific inhibitor of the NLRP3 inflammasome, was used to inhibit osteoclast precursors differentiation into osteoclast. Further, we used Lysm‐Cre/RosanTnG mice to demonstrate that MCC950 decreases the number of Lysm‐Cre+ osteoclast precursors in ligature‐induced periodontitis. At last, treatment with MCC950 significantly suppressed alveolar bone loss with reduced IL‐1β activation and osteoclast differentiation in ligature‐induced periodontitis. Conclusion Our findings reveal that NLRP3 regulates alveolar bone loss in ligature‐induced periodontitis by promoting osteoclastic differentiation.
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Affiliation(s)
- Yuyi Chen
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Qiudong Yang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Chunhua Lv
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Department of Stomatology, Taizhou People's Hospital of Jiangsu Province, Taizhou, China
| | - Yue Chen
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Wenhua Zhao
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
| | - Wenlei Li
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
| | - Hongyu Chen
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
| | - Hua Wang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China
| | - Wen Sun
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
| | - Hua Yuan
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, China.,Department of Oral and Maxillofacial Surgery, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, China
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Zhou S, Qiao YM, Liu YG, Liu D, Hu JM, Liao J, Li M, Guo Y, Fan LP, Li LY, Zhao M. Bone marrow derived mesenchymal stem cells pretreated with erythropoietin accelerate the repair of acute kidney injury. Cell Biosci 2020; 10:130. [PMID: 33292452 PMCID: PMC7667799 DOI: 10.1186/s13578-020-00492-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2020] [Accepted: 10/30/2020] [Indexed: 12/18/2022] Open
Abstract
Background Mesenchymal stem cells (MSCs) represent a promising treatment option for acute kidney injury (AKI). The main drawbacks of MSCs therapy, including the lack of specific homing after systemic infusion and early cell death in the inflammatory microenvironment, directly affect the therapeutic efficacy of MSCs. Erythropoietin (EPO)-preconditioning of MSCs promotes their therapeutic effect, however, the underlying mechanism remains unknown. In this study, we sought to investigate the efficacy and mechanism of EPO in bone marrow derived mesenchymal stem cells (BMSCs) for AKI treatment. Results We found that incubation of BMSCs with ischemia/reperfusion(I/R)-induced AKI kidney homogenate supernatant (KHS) caused apoptosis in BMSCs, which was decreased by EPO pretreatment, indicating that EPO protected the cells from apoptosis. Further, we showed that EPO up-regulated silent information regulator 1 (SIRT1) and Bcl-2 expression and down-regulated p53 expression. This effect was partially reversed by SIRT1 siRNA intervention. The anti-apoptotic effect of EPO in pretreated BMSCs may be mediated through the SIRT1 pathway. In a rat AKI model, 24 h after intravenous infusion, GFP-BMSCs were predominantly located in the lungs. However, EPO pretreatment reduced the lung entrapment of BMSCs and increased their distribution in the target organs. AKI rats infused with EPO-BMSCs had significantly lower levels of serum IL-1β and TNF-α, and a significantly higher level of IL-10 as compared to rats infused with untreated BMSCs. The administration of EPO-BMSCs after reperfusion reduced serum creatinine, blood urea nitrogen, and pathological scores in I/R-AKI rats more effectively than BMSCs treatment did. Conclusions Our data suggest that EPO pretreatment enhances the efficacy of BMSCs to improve the renal function and pathological presentation of I/R-AKI rats.
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Affiliation(s)
- Song Zhou
- Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, No. 253, Industrial Avenue, Haizhu District, Guangzhou, 510280, Guangdong Province, China
| | - Yu-Ming Qiao
- Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, No. 253, Industrial Avenue, Haizhu District, Guangzhou, 510280, Guangdong Province, China
| | - Yong-Guang Liu
- Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, No. 253, Industrial Avenue, Haizhu District, Guangzhou, 510280, Guangdong Province, China
| | - Ding Liu
- Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, No. 253, Industrial Avenue, Haizhu District, Guangzhou, 510280, Guangdong Province, China
| | - Jian-Min Hu
- Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, No. 253, Industrial Avenue, Haizhu District, Guangzhou, 510280, Guangdong Province, China
| | - Jun Liao
- Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, No. 253, Industrial Avenue, Haizhu District, Guangzhou, 510280, Guangdong Province, China
| | - Min Li
- Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, No. 253, Industrial Avenue, Haizhu District, Guangzhou, 510280, Guangdong Province, China
| | - Ying Guo
- Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, No. 253, Industrial Avenue, Haizhu District, Guangzhou, 510280, Guangdong Province, China
| | - Li-Pei Fan
- Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, No. 253, Industrial Avenue, Haizhu District, Guangzhou, 510280, Guangdong Province, China
| | - Liu-Yang Li
- Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, No. 253, Industrial Avenue, Haizhu District, Guangzhou, 510280, Guangdong Province, China
| | - Ming Zhao
- Department of Organ Transplantation, Zhujiang Hospital, Southern Medical University, No. 253, Industrial Avenue, Haizhu District, Guangzhou, 510280, Guangdong Province, China.
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Shtaif B, Bar-Maisels M, Gabet Y, Hiram-Bab S, Yackobovitch-Gavan M, Phillip M, Gat-Yablonski G. Cartilage -specific knockout of Sirt1 significantly reduces bone quality and catch-up growth efficiency. Bone 2020; 138:115468. [PMID: 32512163 DOI: 10.1016/j.bone.2020.115468] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 05/27/2020] [Accepted: 06/01/2020] [Indexed: 10/24/2022]
Abstract
BACKGROUND Spontaneous catch-up (CU) growth occurs when a growth-restricting factor is resolved. However, its efficiency is sometimes inadequate and growth deficits remain permanent. The therapeutic toolbox for short stature is currently very limited, thus, finding new regulatory pathways is important for the development of novel means of treatment. Our previous studies using a nutrition-induced CU growth model showed that the level of sirtuin-1 (Sirt1) was significantly increased in food-restricted animals and decreased during CU growth. AIM This study sought to investigate the role of Sirt1 in modulating the response of the epiphyseal growth plate (EGP) to nutritional manipulation. METHOD Collagen type II-specific Sirt1 knockout (CKO) mice were tested for response to our CU growth model consisting of a period of food restriction followed by re-feeding. RESULTS The transgenic CKO mice weighed more than the control (CTL) mice, their EGP was higher and less organized, specifically at the resting and proliferative zones, leading to shorter bones. Ablation of Sirt1 in the chondrocytes was found to have a dramatic effect on bone mineralization on micro-CT analysis. The CKO mice were less responsive to the nutritional manipulation, and their CU growth was less efficient. They remained shorter than the CTL mice who corrected the food restriction-induced growth deficit during the re-feeding period. CONCLUSIONS Sirt1 appears to be important for normal regulation of the EGP. In its absence, the EGP is less organized and CU growth is less efficient. These results suggest that SIRT1 may serve as a novel therapeutic target for short stature.
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Affiliation(s)
- Biana Shtaif
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; Felsenstein Medical Research Center, Petach Tikva, Israel.
| | - Meytal Bar-Maisels
- Felsenstein Medical Research Center, Petach Tikva, Israel; The Jesse Z and Sara Lea Shafer Institute for Endocrinology and Diabetes, National Center for Childhood Diabetes, Schneider Children's Medical Center of Israel, Petach Tikva, Israel.
| | - Yankel Gabet
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Sahar Hiram-Bab
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel.
| | - Michal Yackobovitch-Gavan
- The Jesse Z and Sara Lea Shafer Institute for Endocrinology and Diabetes, National Center for Childhood Diabetes, Schneider Children's Medical Center of Israel, Petach Tikva, Israel.
| | - Moshe Phillip
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; Felsenstein Medical Research Center, Petach Tikva, Israel; The Jesse Z and Sara Lea Shafer Institute for Endocrinology and Diabetes, National Center for Childhood Diabetes, Schneider Children's Medical Center of Israel, Petach Tikva, Israel.
| | - Galia Gat-Yablonski
- Sackler School of Medicine, Tel Aviv University, Tel Aviv, Israel; Felsenstein Medical Research Center, Petach Tikva, Israel; The Jesse Z and Sara Lea Shafer Institute for Endocrinology and Diabetes, National Center for Childhood Diabetes, Schneider Children's Medical Center of Israel, Petach Tikva, Israel.
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8
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Chen H, Hu X, Yang R, Wu G, Tan Q, Goltzman D, Miao D. SIRT1/FOXO3a axis plays an important role in the prevention of mandibular bone loss induced by 1,25(OH) 2D deficiency. Int J Biol Sci 2020; 16:2712-2726. [PMID: 33110391 PMCID: PMC7586429 DOI: 10.7150/ijbs.48169] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 08/11/2020] [Indexed: 02/07/2023] Open
Abstract
It has been reported that 1,25 dihydroxyvitamin D [1,25(OH)2D] deficiency leads to the loss of mandibular bone, however the mechanism is unclear. We investigated whether the Sirt1/FOXO3a signaling pathway is involved in this process. Using a 1,25(OH)2D deficiency model induced by genetic deletion in mice of 25-hydroxyvitamin D-1α hydroxylase [1α(OH)ase-/- mice]. We first documented a sharp reduction of expression levels of Sirt1 in the 1α(OH)ase-/- mice in vivo. Next, we demonstrated dose-dependent upregulation of Sirt1 by treatment with exogenous 1,25(OH)2D3in vitro. We then identified a functional VDR binding site in the Sirt1 promoter. By crossing Prx1-Sirt1 transgenic mice with 1α(OH)ase-/- mice we demonstrated that the overexpression of Sirt1 in mesenchymal stem cells (MSCs) greatly improved the 1α(OH)ase-/- mandibular bone loss phenotype by increasing osteoblastic bone formation and reducing osteoclastic bone resorption. In mechanistic studies, we showed, in 1α(OH)ase-/- mice, decreases of Sirt1 and FoxO3a, an increase in oxidative stress as reflected by a reduction of the antioxidant enzymes peroxiredoxin1 (Prdx1), SOD1 and SOD2 expression, and an increase of markers for osteocyte senescence and senescence associated secretory phenotypes (SASP), including β-galactosidase (β-gal), p16, p53 and p21. The targeted overexpression of Sirt1 in the 1α(OH)ase-/- mice restored the expression levels of these molecules. Finally, we demonstrated that a Sirt1 agonist can upregulate FOXO3a activity by increasing deacetylation and nuclear translocation. Overall, results from this study support the concept that targeted increases in Sirt1/FOXO3a signaling levels can greatly improve the bone loss caused by 1,25(OH)2D deficiency.
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Affiliation(s)
- Haiyun Chen
- The Research Center for Aging, Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Xiaoqing Hu
- The Research Center for Aging, Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Renlei Yang
- The Research Center for Aging, Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Guoping Wu
- The Research Center for Aging, Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing 210029, China
| | - Qian Tan
- Department of Burns and Plastic Surgery, The Drum Tower Clinical Medical College, Affiliated Drum Tower Hospital, Nanjing Medical University, Nanjing 210008, China
| | - David Goltzman
- Calcium Research Laboratory, McGill University Health Centre and Department of Medicine, McGill University, Montreal, Quebec H3A 1A1, Canada
| | - Dengshun Miao
- The Research Center for Aging, Affiliated Friendship Plastic Surgery Hospital of Nanjing Medical University, Nanjing 210029, China
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9
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Nagata M, Ono N, Ono W. Unveiling diversity of stem cells in dental pulp and apical papilla using mouse genetic models: a literature review. Cell Tissue Res 2020; 383:603-616. [PMID: 32803323 DOI: 10.1007/s00441-020-03271-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 07/29/2020] [Indexed: 12/16/2022]
Abstract
The dental pulp, a non-mineralized connective tissue uniquely encased within the cavity of the tooth, provides a niche for diverse arrays of dental mesenchymal stem cells. Stem cells in the dental pulp, including dental pulp stem cells (DPSCs), stem cells from human exfoliated deciduous teeth (SHEDs) and stem cells from apical papilla (SCAPs), have been isolated from human tissues with an emphasis on their potential application to regenerative therapies. Recent studies utilizing mouse genetic models shed light on the identities of these mesenchymal progenitor cells derived from neural crest cells (NCCs) in their native conditions, particularly regarding how they contribute to homeostasis and repair of the dental tissue. The current concept is that at least two distinct niches for stem cells exist in the dental pulp, e.g., the perivascular niche and the perineural niche. The precise identities of these stem cells and their niches are now beginning to be unraveled thanks to sophisticated mouse genetic models, which lead to better understanding of the fundamental properties of stem cells in the dental pulp and the apical papilla in humans. The new knowledge will be highly instrumental for developing more effective stem cell-based regenerative therapies to repair teeth in the future.
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Affiliation(s)
- Mizuki Nagata
- Department of Orthodontics and Pediatric Dentistry, University of Michigan School of Dentistry, Ann Arbor, MI, 48109, USA
| | - Noriaki Ono
- Department of Orthodontics and Pediatric Dentistry, University of Michigan School of Dentistry, Ann Arbor, MI, 48109, USA
| | - Wanida Ono
- Department of Orthodontics and Pediatric Dentistry, University of Michigan School of Dentistry, Ann Arbor, MI, 48109, USA.
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10
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Huang H, Xu Z, Qi Y, Zhang W, Zhang C, Jiang M, Deng S, Wang H. Exosomes from SIRT1-Overexpressing ADSCs Restore Cardiac Function by Improving Angiogenic Function of EPCs. MOLECULAR THERAPY. NUCLEIC ACIDS 2020; 21:737-750. [PMID: 32771925 PMCID: PMC7412761 DOI: 10.1016/j.omtn.2020.07.007] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/31/2020] [Revised: 06/19/2020] [Accepted: 07/06/2020] [Indexed: 12/15/2022]
Abstract
Acute myocardial infarction (AMI) is one of the leading causes of mortality in cardiovascular diseases. The aim of this study was to investigate whether exosomes from Sirtuin 1 (SIRT1)-overexpressing adipose-derived stem cells (ADSCs) had a protective effect on AMI. The expression of C-X-C chemokine receptor type 7 (CXCR7) was significantly downregulated in peripheral blood endothelial progenitor cells (EPCs) from AMI patients (AMI-EPCs) compared with that in healthy donors, which coincided with impaired tube formation. The exosomes from SIRT1 overexpression in ADSCs (ADSCs-SIRT1-Exos) increased the expression of C-X-C motif chemokine 12 (CXCL12) and nuclear factor E2 related factor 2 (Nrf2) in AMI-EPCs, which promoted migration and tube formation of AMI-EPCs, and overexpression of CXCR7 helped AMI-EPCs to restore the function of cell migration and tube formation. Moreover, CXCR7 was downregulated in the myocardium of AMI mice, and knockout of CXCR7 exacerbated AMI-induced impairment of cardiovascular function. Injection of ADSCs-SIRT1-Exos increased the survival and promoted the recovery of myocardial function with reduced infarct size and post-AMI left ventricular remodeling, induced vasculogenesis, and decreased AMI-induced myocardial inflammation. These findings showed that ADSCs-SIRT1-Exos may recruit EPCs to the repair area and that this recruitment may be mediated by Nrf2/CXCL12/CXCR7 signaling.
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Affiliation(s)
- Hui Huang
- Department of Cardiology, Shanghai Pudong New Area Gongli Hospital, Shanghai 200135, P.R. China
| | - Zhenxing Xu
- Department of Cardiology, Shanghai Pudong New Area Gongli Hospital, Shanghai 200135, P.R. China
| | - Yuan Qi
- Department of Cardiology, Shanghai Pudong New Area Gongli Hospital, Shanghai 200135, P.R. China
| | - Wei Zhang
- Department of Cardiology, Shanghai Pudong New Area Gongli Hospital, Shanghai 200135, P.R. China
| | - Chenjun Zhang
- Department of Cardiology, Shanghai Pudong New Area Gongli Hospital, Shanghai 200135, P.R. China
| | - Mei Jiang
- Department of Neurology, Shanghai Pudong New Area Gongli Hospital, Shanghai 200135, P.R. China
| | - Shengqiong Deng
- Department of Clinical Laboratory, Shanghai Pudong New Area Gongli Hospital, Shanghai 200135, P.R. China
| | - Hairong Wang
- Department of Cardiology, Shanghai Pudong New Area Gongli Hospital, Shanghai 200135, P.R. China.
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11
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Wang H, Chen Y, Li W, Sun L, Chen H, Yang Q, Zhang H, Zhang W, Yuan H, Zhang H, Xing L, Sun W. Effect of VEGFC on lymph flow and inflammation-induced alveolar bone loss. J Pathol 2020; 251:323-335. [PMID: 32418202 PMCID: PMC10587832 DOI: 10.1002/path.5456] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2019] [Revised: 04/22/2020] [Accepted: 04/30/2020] [Indexed: 12/21/2022]
Abstract
The lymphatic system plays a crucial role in the maintenance of tissue fluid homeostasis and the immunological response to inflammation. The effects of lymphatic drainage dysfunction on periodontitis have not been well studied. Here we show that lymphatic vessel endothelial receptor 1 (LYVE1)+ /podoplanin (PDPN)+ lymphatic vessels (LVs) are increased in the periodontal tissues, with accumulation close to the alveolar bone surface, in two murine periodontitis models: rheumatoid arthritis (RA)-associated periodontitis and ligature-induced periodontitis. Further, PDPN+ /alpha-smooth muscle actin (αSMA)- lymphatic capillaries are increased, whereas PDPN+ /αSMA+ collecting LVs are decreased significantly in the inflamed periodontal tissues. Both mouse models of periodontitis have delayed lymph flow in periodontal tissues, increased TRAP-positive osteoclasts, and significant alveolar bone loss. Importantly, the local administration of adeno-associated virus for vascular endothelial growth factor C, the major growth factor that promotes lymphangiogenesis, increases the area and number of PDPN+ /αSMA+ collecting LVs, promotes local lymphatic drainage, and reduces alveolar bone loss in both models of periodontitis. Lastly, LYVE1+ /αSMA- lymphatic capillaries are increased, whereas LYVE1+ /αSMA+ collecting LVs are decreased significantly in gingival tissues of patients with chronic periodontitis compared with those of clinically healthy controls. Thus, our findings reveal an important role of local lymphatic drainage in periodontal inflammation-mediated alveolar bone loss. © 2020 Pathological Society of Great Britain and Ireland. Published by John Wiley & Sons, Ltd.
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Affiliation(s)
- Hua Wang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, PR China
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, PR China
| | - Yuyi Chen
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, PR China
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, PR China
| | - Wenlei Li
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, PR China
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, PR China
| | - Lian Sun
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, PR China
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, PR China
| | - Hongyu Chen
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, PR China
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, PR China
| | - Qiudong Yang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, PR China
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, PR China
| | - Hang Zhang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, PR China
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, PR China
| | - Weibing Zhang
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, PR China
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, PR China
| | - Hua Yuan
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, PR China
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, PR China
| | - Hengwei Zhang
- Department of Pathology and Laboratory Medicine and Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, New York, USA
| | - Lianping Xing
- Department of Pathology and Laboratory Medicine and Center for Musculoskeletal Research, University of Rochester Medical Center, Rochester, New York, USA
| | - Wen Sun
- Jiangsu Key Laboratory of Oral Diseases, Nanjing Medical University, Nanjing, PR China
- Department of Basic Science of Stomatology, Affiliated Hospital of Stomatology, Nanjing Medical University, Nanjing, PR China
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12
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Cui C, Bi R, Liu W, Guan S, Li P, Song D, Xu R, Zheng L, Yuan Q, Zhou X, Fan Y. Role of PTH1R Signaling in Prx1 + Mesenchymal Progenitors during Eruption. J Dent Res 2020; 99:1296-1305. [PMID: 32585127 DOI: 10.1177/0022034520934732] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Tooth eruption is a complex process requiring precise interaction between teeth and adjacent tissues. Molecular analysis demonstrates that bone remodeling plays an essential role during eruption, suggesting that a parathyroid hormone 1 receptor (PTH1R) gene mutation is associated with disturbances in bone remodeling and results in primary failure of eruption (PFE). Recent research reveals the function of PTH1R signaling in mesenchymal progenitors, whereas the function of PTH1R in mesenchymal stem cells during tooth eruption remains incompletely understood. We investigated the specific role of PTH1R in Prx1+ progenitor expression during eruption. We found that Prx1+-progenitors occur in mesenchymal stem cells residing in alveolar bone marrow surrounding incisors, at the base of molars and in the dental follicle and pulp of incisors. Mice with conditional deletion of PTH1R using the Prx1 promoter exhibited arrested mandibular incisor eruption and delayed molar eruption. Micro-computed tomography, histomorphometry, and molecular analyses revealed that mutant mice had significantly reduced alveolar bone formation concomitant with downregulated gene expression of key regulators of osteogenesis in PTH1R-deficient cells. Moreover, culturing orofacial bone-marrow-derived mesenchymal stem cells (OMSCs) from Prx1Cre;PTH1Rfl/fl mice or from transfecting Cre recombinase adenovirus in OMSCs from PTH1Rfl/fl mice suggested that lack of Pth1r expression inhibited osteogenic differentiation in vitro. However, bone resorption was not affected by PTH1R ablation, indicating the observed reduced alveolar bone volume was mainly due to impaired bone formation. Furthermore, we found irregular periodontal ligaments and reduced Periostin expression in mutant incisors, implying loss of PTH1R results in aberrant differentiation of periodontal ligament cells. Collectively, these data suggest that PTH1R signaling in Prx1+ progenitors plays a critical role in alveolar bone formation and periodontal ligament development during eruption. These findings have implications for our understanding of the physiologic and pathologic function of PTH1R signaling in tooth eruption and the progression of PFE.
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Affiliation(s)
- C Cui
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - R Bi
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - W Liu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - S Guan
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - P Li
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - D Song
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - R Xu
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - L Zheng
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - Q Yuan
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - X Zhou
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
| | - Y Fan
- State Key Laboratory of Oral Diseases & National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Sichuan, China
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