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Hu X, He Y, Tong Y, Sun N, Ma G, Liu H, Kou N. Fabrication and characterization of a multi-functional GBR membrane of gelatin-chitosan for osteogenesis and angiogenesis. Int J Biol Macromol 2024; 266:130978. [PMID: 38508565 DOI: 10.1016/j.ijbiomac.2024.130978] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2023] [Revised: 03/01/2024] [Accepted: 03/16/2024] [Indexed: 03/22/2024]
Abstract
Guided bone regeneration (GBR) membranes are widely used to treat bone defects. In this study, sequential electrospinning and electrospraying techniques were used to prepare a dual-layer GBR membrane composed of gelatin (Gel) and chitosan (CS) containing simvastatin (Sim)-loaded poly(lactic-co-glycolic acid) (PLGA) microspheres (Sim@PLGA/Gel-CS). As a GBR membrane, Sim@PLGA/Gel-CS could act as a barrier to prevent soft tissue from occupying regions of bone tissue. Furthermore, compared with traditional GBR membranes, Sim@PLGA/Gel-CS played an active role on stimulating osteogenesis and angiogenesis. Determination of the physical, chemical, and biological properties of Sim@PLGA/Gel-CS membranes revealed uniform sizes of the nanofibers and microspheres and appropriate morphologies. Fourier-transform infrared spectroscopy was used to characterize the interactions between Sim@PLGA/Gel-CS molecules and the increase in the number of amide groups in crosslinked membranes. The thermal stability and tensile strength of the membranes increased after N-(3-dimethylaminopropyl)-N9- ethylcarbodiimide/N-hydroxysuccinimide crosslinking. The increased fiber density of the barrier layer decreased fibroblast migration compared with that in the osteogenic layer. Osteogenic function was indicated by the increased alkaline phosphatase activity, calcium deposition, and neovascularization. In conclusion, the multifunctional effects of Sim@PLGA/Gel-CS on the barrier and bone microenvironment were achieved via its dual-layer structure and simvastatin coating. Sim@PLGA/Gel-CS has potential applications in bone tissue regeneration.
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Affiliation(s)
- Xiaofei Hu
- School of Stomatology, Dalian Medical University, Lvshun South Road, Dalian, China; Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian, China
| | - Yuzhu He
- School of Stomatology, Dalian Medical University, Lvshun South Road, Dalian, China; Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian, China
| | - Yunmeng Tong
- School of Stomatology, Dalian Medical University, Lvshun South Road, Dalian, China; Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian, China
| | - Na Sun
- School of Materials Science and Engineering, Dalian University of Technology, No.2 Linggong Road, Ganjingzi District, Dalian, China
| | - Guowu Ma
- School of Stomatology, Dalian Medical University, Lvshun South Road, Dalian, China; Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian, China.
| | - Huiying Liu
- School of Stomatology, Dalian Medical University, Lvshun South Road, Dalian, China; Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian, China.
| | - Ni Kou
- School of Stomatology, Dalian Medical University, Lvshun South Road, Dalian, China; Academician Laboratory of Immune and Oral Development & Regeneration, Dalian Medical University, Lvshun South Road, Dalian, China.
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2
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Zhong M, Wu Z, Chen Z, Wu L, Zhou J. Geniposide alleviates cholesterol-induced endoplasmic reticulum stress and apoptosis in osteoblasts by mediating the GLP-1R/ABCA1 pathway. J Orthop Surg Res 2024; 19:179. [PMID: 38468352 PMCID: PMC10926581 DOI: 10.1186/s13018-024-04665-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Accepted: 03/04/2024] [Indexed: 03/13/2024] Open
Abstract
BACKGROUND Cholesterol (CHO) is an essential component of the body. However, high CHO levels in the body can damage bone mass and promote osteoporosis. CHO accumulation can cause osteoblast apoptosis, which has a negative effect on bone formation. The pathogenesis of osteoporosis is a complicate process that includes oxidative stress, endoplasmic reticulum (ER) stress, and inflammation. Geniposide (GEN) is a natural compound with anti-osteoporotic effect. However, the roles of GEN in osteopathogenesis are still unclear. Our previous studies demonstrated that GEN could reduce the accumulation of CHO in osteoblasts and the activation of ER stress in osteoblasts. However, the molecular mechanism of GEN in inhibiting CHO-induced apoptosis in osteoblasts needs to be further investigated. METHODS MC3T3-E1 cells were treated with osteogenic induction medium (OIM). Ethanol-solubilized cholesterol (100 µM) was used as a stimulator, and 10 µM and 25 µM geniposide was added for treatment. The alterations of protein expression were detected by western blot, and the cell apoptosis was analyzed by a flow cytometer. RESULTS CHO promoted osteoblast apoptosis by activating ER stress in osteoblasts, while GEN alleviated the activation of ER stress and reduced osteoblast apoptosis by activating the GLP-1R/ABCA1 pathway. Inhibition of ABCA1 or GLP-1R could eliminate the protective activity of GEN against CHO-induced ER stress and osteoblast apoptosis. CONCLUSION GEN alleviated CHO-induced ER stress and apoptosis in osteoblasts by mediating the GLP-1R/ABCA1 pathway.
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Affiliation(s)
- Mingliang Zhong
- College of Rehabilitation, Gannan Medical University, Ganzhou, 341000, China
| | - Zhenyu Wu
- First Affiliated Hospital of Gannan Medical University, Ganzhou, 341000, China
| | - Zhixi Chen
- College of Pharmacy, Gannan Medical University, Ganzhou, 341000, China
| | - Longhuo Wu
- College of Pharmacy, Gannan Medical University, Ganzhou, 341000, China
| | - Jianguo Zhou
- Department of Joint Surgery, Ganzhou People's Hospital, Ganzhou, 341000, China.
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3
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Hwang JM, Lee MH, Kwon Y, Chung HC, Kim DU, Lee JH. In Vitro and In Vivo Bone-Forming Effect of a Low-Molecular-Weight Collagen Peptide. J Microbiol Biotechnol 2024; 34:415-424. [PMID: 38044675 PMCID: PMC10940753 DOI: 10.4014/jmb.2307.07017] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2023] [Revised: 11/08/2023] [Accepted: 11/09/2023] [Indexed: 12/05/2023]
Abstract
This study reveals that low-molecular-weight collagen peptide (LMWCP) can stimulate the differentiation and the mineralization of MC3T3-E1 cells in vitro and attenuate the bone remodeling process in ovariectomized (OVX) Sprague-Dawley rats in vivo. Moreover, the assessed LMWCP increased the activity of alkaline phosphatase (ALP), synthesis of collagen, and mineralization in MC3T3-E1 cells. Additionally, mRNA levels of bone metabolism-related factors such as the collagen type I alpha 1 chain, osteocalcin (OCN), osterix, bone sialoprotein, and the Runt family-associated transcription factor 2 were increased in cells treated with 1,000 μg/ml of LMWCP. Furthermore, we demonstrated that critical bone morphometric parameters exhibited significant differences between the LMWCP (400 mg/kg)-receiving and vehicle-treated rat groups. Moreover, the expression of type I collagen and the activity of ALP were found to be higher in both the femur and lumbar vertebrae of OVX rats treated with LMWCP. Finally, the administration of LMWCP managed to alleviate osteogenic parameters such as the ALP activity and the levels of the bone alkaline phosphatase, the OCN, and the procollagen type 1 N-terminal propeptide in OVX rats. Thus, our findings suggest that LMWCP is a promising candidate for the development of food-based prevention strategies against osteoporosis.
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Affiliation(s)
- Jae Min Hwang
- Health Food Research and Development, NEWTREE Co., Ltd., Seoul 05604, Republic of Korea
| | - Mun-Hoe Lee
- Health Food Research and Development, NEWTREE Co., Ltd., Seoul 05604, Republic of Korea
| | - Yuri Kwon
- Health Food Research and Development, NEWTREE Co., Ltd., Seoul 05604, Republic of Korea
| | - Hee-Chul Chung
- Health Food Research and Development, NEWTREE Co., Ltd., Seoul 05604, Republic of Korea
| | - Do-Un Kim
- Health Food Research and Development, NEWTREE Co., Ltd., Seoul 05604, Republic of Korea
| | - Jin-Hee Lee
- Health Food Research and Development, NEWTREE Co., Ltd., Seoul 05604, Republic of Korea
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Pan Z, Zhang Z, Deng X, Hu F, Jia F, Lu J, Zhang X, Yang X, Gao Y, Wang X, Cui X, Xu C, Wu Y. Periostin-targeted SDSSD peptide decorated calcium phosphate nanocomposites incorporation with simvastatin for osteoporosis treatment. NANOTECHNOLOGY 2023; 35:075102. [PMID: 37976543 DOI: 10.1088/1361-6528/ad0dc9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/26/2023] [Accepted: 11/17/2023] [Indexed: 11/19/2023]
Abstract
The limited options of anabolic drugs restrict their application potential in osteoporosis treatment, despite their theoretical superiority in therapeutic efficacy over antiresorptive drugs. As a prevailing strategy, nano-delivery systems could offer a wider choice of anabolic drugs. In this study, calcium phosphate nanocomposites incorporated with simvastatin (Sim) with periostin-targeting ability were designed and prepared for osteoporosis treatment. Carboxymethyl dextran (CMD) as an anionic and hydrophilic dextran derivative was used to stabilize CaP. In addition, periosteum-targeted peptide (SDSSD) was further grafted on CMD to achieve the bone targeting function. In a one-step coordination assembly strategy, hydrophobic anabolic agent Sim and SDSSD-CMD graft (SDSSD-CMD) were incorporated into the CaP nanoparticles forming SDSSD@CaP/Sim nanocomposites. The resulting SDSSD@CaP/Sim possesses uniform size, great short-term stability and excellent biocompatibility. Moreover, SDSSD@CaP/Sim exhibited a reduced release rate of Sim and showed slow-release behaviour. As anticipated, the nanocomposites exhibited bone bonding capacity in both cellular and animal studies. Besides, SDSSD@CaP/Sim achieved obviously enhanced osteoporosis treatment effect compared to direct injection of Simin vivo. Therefore, our findings highlight the potential of SDSSD-incorporated and CaP-based nanocomposites as a viable strategy to enhance the therapeutic efficacy of anabolic drugs for osteoporosis treatment.
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Affiliation(s)
- Zian Pan
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Zhen Zhang
- Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing 100048, People's Republic of China
- Medical School of Chinese PLA, Chinese PLA General Hospital, Beijing 100853, People's Republic of China
| | - Xiongwei Deng
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
| | - Fanqi Hu
- Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing 100048, People's Republic of China
| | - Fan Jia
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Jianqing Lu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
| | - Xuesong Zhang
- Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing 100048, People's Republic of China
- Medical School of Chinese PLA, Chinese PLA General Hospital, Beijing 100853, People's Republic of China
| | - Xiaoqing Yang
- Department of Orthopaedics, The Fourth Medical Centre, Chinese PLA General Hospital, Beijing 100048, People's Republic of China
| | - Yujuan Gao
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Xuan Wang
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Xinyue Cui
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Chenlu Xu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
| | - Yan Wu
- CAS Key Laboratory for Biomedical Effects of Nanomaterials and Nanosafety, CAS Center for Excellence in Nanoscience, National Center for Nanoscience and Technology, Beijing 100190, People's Republic of China
- University of Chinese Academy of Sciences, Beijing 100049, People's Republic of China
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5
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Wang M, Li H, Tang J, Xi Y, Chen S, Liu M. Effect of simvastatin on osteogenesis of the extremity bones in aging rats. Connect Tissue Res 2023; 64:64-74. [PMID: 35816110 DOI: 10.1080/03008207.2022.2094790] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
PURPOSE Simvastatin is a prodrug of the potent 3-hydroxy-3-methylglutaryl coenzyme A reductase inhibitor. The main purpose of the current study is to assess the accurate function of simvastatin on osteoporosis of extremity bones in aging rats. MATERIALS AND METHODS Fifty 15-month-old SD rats were divided into five groups (four simvastatin groups and one control group). The rats in four simvastatin groups were fed with different doses of simvastatin (5, 10, 20, and 40 mg/kg/d, respectively) for 3 months, whereas the rats in control group were fed the equal physiological saline. Calcium (Ca), phosphorus (P), and the lipid spectrum in serum were measured. Biochemical markers of bone metabolism, osteocalcin (OC), and tartrate-resistant acid phosphatase (Trap-5b), were analyzed using ELISA. The content of adipocytes in bone marrow was analyzed by histological staining. Finally, the bone quality of the femur and tibia were evaluated using dual-energy X-ray absorptiometry (DEXA), peri-quantity CT (pQCT), and the 3-point bending biomechanical test. RESULTS Simvastatin reduced serum triglycerides (TG), and 10 mg/kg/d of simvastatin significantly reduced the content of adipocytes in bone marrow compared to the control group. However, statistically significant differences between the simvastatin groups and the control group were not found in the CA, P, OC, Trap-5b, or the evaluation indexes of bone quality from DEXA, pQCT, and biomechanical tests. CONCLUSION Simvastatin could not prevent osteoporosis of the extremity bones in aging rats.
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Affiliation(s)
- Mengran Wang
- Department of Orthopedics, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Haowei Li
- Department of Orthopedics, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Jiaxin Tang
- Department of Orthopedics, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Yue Xi
- Department of Orthopedics, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Shiyi Chen
- Department of Orthopedics, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
| | - Ming Liu
- Department of Orthopedics, Shanghai Fourth People's Hospital, School of Medicine, Tongji University, Shanghai, China
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The effect of simvastatin-loaded methoxy poly(ethylene glycol)-polylactic acid nanoparticles on osteoblasts. J Drug Deliv Sci Technol 2022. [DOI: 10.1016/j.jddst.2022.103941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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7
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Niazi SA, Bakhsh A. Association between Endodontic Infection, Its Treatment and Systemic Health: A Narrative Review. Medicina (B Aires) 2022; 58:medicina58070931. [PMID: 35888650 PMCID: PMC9319780 DOI: 10.3390/medicina58070931] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 02/06/2023] Open
Abstract
The ‘Focal Infection Era in Dentistry’ in the late 19th and early 20th century resulted in widespread implementation of tooth extraction and limited the progress of endodontics. The theory proposed that bacteria and toxins entrapped in dentinal tubules could disseminate systemically to remote body parts, resulting in many types of degenerative systemic diseases. This theory was eventually refuted due to anecdotal evidence. However, lately there has been increased interest in investigating whether endodontic disease could have an impact on general health. There are reviews that have previously been carried out on this subject, but as new data have emerged since then, this review aims to appraise the available literature investigating the dynamic associations between apical periodontitis, endodontic treatment, and systemic health. The available evidence regarding focal infection theory, bacteraemia and inflammatory markers was appraised. The review also collated the available research arguing the associations of apical periodontitis with cardiovascular diseases, diabetes mellitus, adverse pregnancy outcome and autoimmune disorders, along with the effect of statins and immunomodulators on apical periodontitis prevalence and endodontic treatment prognosis. There is emerging evidence that bacteraemia and low-grade systemic inflammation associated with apical periodontitis may negatively impact systemic health, e.g., development of cardiovascular diseases, adverse pregnancy outcomes, and diabetic metabolic dyscontrol. However, there is limited information supporting the effect of diabetes mellitus or autoimmune disorders on the prevalence and prognosis post endodontic treatment. Furthermore, convincing evidence supports that successful root canal treatment has a beneficial impact on systemic health by reducing the inflammatory burden, thereby dismissing the misconceptions of focal infection theory. Although compelling evidence regarding the association between apical periodontitis and systemic health is present, further high-quality research is required to support and establish the benefits of endodontic treatment on systemic health.
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Affiliation(s)
- Sadia Ambreen Niazi
- Department of Endodontics, Centre of Oral Clinical & Translational Sciences, Faculty of Dentistry, Oral & Craniofacial Sciences, Guy’s Dental Hospital, King’s College London, London SE1 9RT, UK
- Correspondence: ; Tel.: +44-(0)207188-7459
| | - Abdulaziz Bakhsh
- Department of Restorative Dentistry, Faculty of Dentistry, Umm Al-Qura University, Makkah 24381, Saudi Arabia;
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Potential bioactive coating system for high-performance absorbable magnesium bone implants. Bioact Mater 2022; 12:42-63. [PMID: 35087962 PMCID: PMC8777287 DOI: 10.1016/j.bioactmat.2021.10.034] [Citation(s) in RCA: 20] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Revised: 10/21/2021] [Accepted: 10/21/2021] [Indexed: 12/11/2022] Open
Abstract
Magnesium alloys are considered the most suitable absorbable metals for bone fracture fixation implants. The main challenge in absorbable magnesium alloys is their high corrosion/degradation rate that needs to be controlled. Various coatings have been applied to magnesium alloys to slow down their corrosion rates to match their corrosion rate to the regeneration rate of the bone fracture. In this review, a bioactive coating is proposed to slow down the corrosion rate of magnesium alloys and accelerate the bone fracture healing process. The main aim of the bioactive coatings is to enhance the direct attachment of living tissues and thereby facilitate osteoconduction. Hydroxyapatite, collagen type I, recombinant human bone morphogenetic proteins 2, simvastatin, zoledronate, and strontium are six bioactive agents that show high potential for developing a bioactive coating system for high-performance absorbable magnesium bone implants. In addition to coating, the substrate itself can be made bioactive by alloying magnesium with calcium, zinc, copper, and manganese that were found to promote bone regeneration. Bioactive-coated magnesium implant could accelerate bone fracture healing time to match with magnesium degradation. Hydroxyapatite, collagen type I, recombinant human bone morphogenetic proteins 2, simvastatin, zoledronate, and strontium are high potential bioactive coating materials. The incorporation of Ca, Zn, Cu, Sr, and Mn in Mg base-metal could further enhance bone formation.
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9
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Sabandal MMI, Schäfer E, Petsching S, Jung S, Kleinheinz J, Sielker S. Pleiotropic effects on proliferation and mineralization of primary human adipose tissue-derived stromal cells induced by simvastatin. Open Biol 2022; 12:210337. [PMID: 35673853 PMCID: PMC9174717 DOI: 10.1098/rsob.210337] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
The circulating low-density lipoprotein concentration in blood can be reduced by the administration of statins. Frequently simvastatin (SV) is prescribed. Due to the reported pleiotropic effects of SV the aim of this study was to evaluate mineralization effects on human adipose tissue-derived stromal cells upon administration of SV. After informed consent human adipose tissue-derived stromal cells were obtained from tissue surplus of regular treatments of 14 individuals. According to established protocols after adding various SV concentrations (0.01 µM, 0.1 µM, 1.0 µM, 2.0 µM), alkaline phosphate (osteoblastic marker), mineralization capability and viability were determined at day 18, 21 and 28. The Kruskal-Wallis test was performed for statistical analysis. After adding SV a dose-dependent significant decreased viability and levels of alkaline phosphatase (p < 0.01) and a significantly increased mineralization (p < 0.01) of the primary cultures was recognized during the late mineralization stage. Mineralization of the human adipose tissue-derived stromal cells was induced by SV, possibly originated from alternative pathways than the alkaline phosphatase pathway. Further investigations should be performed regarding switching into the osteoblastic differentiation and as a possible source of cells that can be used as the basis for a potential bone graft substitute, which may allow an extension of the field of application.
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Affiliation(s)
- Martin Mariano Isabelo Sabandal
- Central Interdisciplinary Ambulance in the School of Dentistry, University of Münster, Albert-Schweitzer-Campus 1, Gebäude W30, Waldeyerstr. 30, 48149 Münster, Germany
| | - Edgar Schäfer
- Central Interdisciplinary Ambulance in the School of Dentistry, University of Münster, Albert-Schweitzer-Campus 1, Gebäude W30, Waldeyerstr. 30, 48149 Münster, Germany
| | - Simon Petsching
- Department of Cranio-Maxillofacial Surgery, University Hospital Münster, Münster, Germany
| | - Susanne Jung
- Department of Cranio-Maxillofacial Surgery, University Hospital Münster, Münster, Germany
| | - Johannes Kleinheinz
- Department of Cranio-Maxillofacial Surgery, University Hospital Münster, Münster, Germany
| | - Sonja Sielker
- Department of Cranio-Maxillofacial Surgery, University Hospital Münster, Münster, Germany
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Ali AR, Gautam K, Kapoor A, Mathur S, Choudhary A, Shekhawat A. Comparative evaluation of autogenous bone graft and autologous platelet-rich fibrin with and without 1.2 mg in situ rosuvastatin gel in the surgical treatment of intrabony defect in chronic periodontitis patients. Contemp Clin Dent 2022; 13:69-77. [PMID: 35466293 PMCID: PMC9030313 DOI: 10.4103/ccd.ccd_740_20] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2020] [Revised: 09/26/2020] [Accepted: 10/19/2020] [Indexed: 11/04/2022] Open
Abstract
Context: Rosuvastatin (RSV) is a new synthetic, hydrophilic statin with potent anti-inflammatory and osseodifferentiation actions. Autogenous bone graft (ABG) is still considered the gold standard in reconstructive bone surgery. Addition of platelet-rich fibrin (PRF) to ABG provides sustained release of various growth factors and facilitates survival of the graft. Aims: The study aims to clinically and radiographically compare the effectiveness of ABG and PRF with and without 1.2 mg RSV gel in the surgical treatment of intrabony defect in chronic Periodontitis patient. Settings and Design: This was a randomized controlled clinical trial. Subjects and Methods: Thirty-nine patients (one site per participant) with chronic periodontitis were randomly divided into three groups: Group 1 (open flap debridement [OFD] + placebo), Group 2 (OFD + ABG + PRF), and Group 3 (OFD + ABG + PRF + 1.2 mg RSV). Relative attachment level (RAL) and probing pocket depth (PPD) were recorded at baseline, 3, 6, and 9 months. Radiographic measurements such as defect height (A and B) and defect width (C) were calculated at baseline and 9 months. Statistical Analysis Used: Intergroup comparison was done using Kruskal–Wallis ANOVA. An intragroup comparison was done using Friedman test and Wilcoxon signed-rank test. Results: The mean PPD reduction and mean RAL gain were highly significant in Group 3 and Group 2 than Group 1. For Group 3, a significant reduction of defect height and width and a significant amount of bone fill were achieved than Group 2 and Group 1. Conclusions: Addition of 1.2 mg RSV gel, PRF, and ABG has synergistic effects, explaining their role as a regenerative material in the treatment of intrabony defects.
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11
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Ishikawa M, Ishii T, Morikawa T, Iijima Y, Sueishi K. The Effects of Fluvastatin on Indian Hedgehog Pathway in Endochondral Ossification. Cartilage 2021; 13:304S-314S. [PMID: 31327238 PMCID: PMC8804868 DOI: 10.1177/1947603519862318] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Statins have demonstrated to be effective for treating chondrodysplasia and its effects were believed to be associated with the fibroblast growth factor receptor 3 (FGFR3). Statins promoted the degradation of FGFR3 in studies using disease-specific induced pluripotent stem cells and model mice, however, recent studies using normal chondrocytes reported that statins did not degrade FGFR3. In order to further investigate the effects of statins in endochondral ossification, this study examined the influence of statins on Indian hedgehog (Ihh), another important component of endochondral ossification, and its related pathways. The chondrocyte cell line ATDC5 was used to investigate changes in cell proliferation, mRNA, and protein expression levels. In addition, an organ culture of a mouse metatarsal bone was performed followed by hematoxylin-eosin staining and fluorescent immunostaining. Results indicated that expression level of Ihh increased with the addition of statins, which activated the Ihh pathway and altered the localization of Ihh. Changes in cholesterol modification may have affected Ihh diffusibility; however, further experiments are necessary. A reactive increase in parathyroid hormone-related protein (PTHrP) was observed in addition to changes in the Wnt pathway through secreted-related protein 2/3 and low-density lipoprotein 5/6. This led to the promotion of cell proliferation, increase of the hypertrophic chondrocyte layer, inhibition of apoptosis, and decrease in mineralization. This study demonstrated that statins had an influence on Ihh, and that the hyperfunction of Ihh may prevent premature cell death caused by FGFR3-related chondrodysplasia through an indirect increase in the expression of PTHrP.
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Affiliation(s)
| | - Takenobu Ishii
- Department of Orthodontics, Tokyo Dental
Collage, Tokyo, Japan,Takenobu Ishii, Department of Orthodontics,
Tokyo Dental Collage, 2-9-18, Misakicho, Chiyoda-ku, Tokyo, 101-0061, Japan.
| | - Taiki Morikawa
- Department of Orthodontics, Tokyo Dental
Collage, Tokyo, Japan
| | - Yuki Iijima
- Department of Orthodontics, Tokyo Dental
Collage, Tokyo, Japan
| | - Kenji Sueishi
- Department of Orthodontics, Tokyo Dental
Collage, Tokyo, Japan
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12
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Qi H, Wang K, Li M, Zhang Y, Dong K, Heise S, Boccaccini AR, Lu T. Co-culture of BMSCs and HUVECs with simvastatin-loaded gelatin nanosphere/chitosan coating on Mg alloy for osteogenic differentiation and vasculogenesis. Int J Biol Macromol 2021; 193:2021-2028. [PMID: 34767883 DOI: 10.1016/j.ijbiomac.2021.11.032] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2021] [Revised: 09/29/2021] [Accepted: 11/03/2021] [Indexed: 11/27/2022]
Abstract
Mg alloys are increasingly being investigated as a versatile and economical alternative for developing bone repair implants because of their high mechanical strength, wide availability, adjustable structure and properties. In this study, magnesium alloy WE43 is coated on both sides with gelatin nanosphere/chitosan (GNs/CTS), a coating enhanced by incorporating simvastatin (SIM). SIM-loaded GNs/CTS coated magnesium alloy can promote the osteogenic differentiation of bone mesenchymal stem cells (BMSCs). BMSCs and human umbilical vein endothelial cells (HUVECs) are co-cultured through transwell systems. The release of SIM from the coating is found to increase the secretion of chemokine and angiogenic factors from BMSCs, which promote the migration and tube formation of HUVECs, respectively. Bone morphogenetic protein secreted by HUVECs is seen to increase by the release of SIM from the coating, promoting the osteogenic differentiation of BMSCs. The secretion of chemokines from HUVECs promote the migration of BMSCs. The coated magnesium alloy substrate loaded with SIM is found to regulate the osteogenic differentiation of BMSCs. The study of the paracrine interaction between BMSCs and HUVECs proves that the applied coating promotes both osteogenic differentiation and vascularization, thus demonstrating a new approach for the design of bone repair materials based on magnesium alloys.
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Affiliation(s)
- Hongfei Qi
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, 710072 Xi'an, China; Shaanxi Key Laboratory of Integrated Traditional and Western Medicine for Prevention and Treatment of Cardiovascular Diseases, Institute of Integrative Medicine, Shaanxi University of Chinese Medicine, Shiji Ave., 712046, Xi'an-Xianyang New Ecomic Zone, China
| | - Kun Wang
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, 710072 Xi'an, China
| | - Meng Li
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, 710072 Xi'an, China; Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstraße 6, 91058 Erlangen, Germany
| | - Yanni Zhang
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, 710072 Xi'an, China
| | - Kai Dong
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, 710072 Xi'an, China
| | - Svenja Heise
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstraße 6, 91058 Erlangen, Germany
| | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering, University of Erlangen-Nuremberg, Cauerstraße 6, 91058 Erlangen, Germany
| | - Tingli Lu
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, 127 West Youyi Road, 710072 Xi'an, China.
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13
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Estrogen depletion alters osteogenic differentiation and matrix production by osteoblasts in vitro. Exp Cell Res 2021; 408:112814. [PMID: 34492267 DOI: 10.1016/j.yexcr.2021.112814] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Revised: 08/20/2021] [Accepted: 09/03/2021] [Indexed: 11/21/2022]
Abstract
Recent studies have revealed that the effects of estrogen deficiency are not restricted to osteoclasts and bone resorption, but that bone matrix composition is altered and osteoblasts exhibit an impaired response to mechanical stimulation. In this study, we test the hypothesis that estrogen depletion alters osteogenic differentiation and matrix production by mechanically stimulated osteoblasts in vitro. MC3T3-E1 cells were pre-treated with estrogen for 14 days, after which estrogen was withdrawn or inhibited with Fulvestrant up to 14 days. Fluid shear stress (FSS) was applied using an orbital shaker. Under estrogen depletion in static culture, osteogenic marker (ALP) and gene expression (Runx2) were decreased at 2 and after 7 days of estrogen depletion, respectively. In addition, up to 7 day the inhibition of the estrogen receptor significantly decreased fibronectin expression (FN1) under static conditions. Under estrogen depletion and daily mechanical stimulation, changes in expression of Runx2 occurred earlier (4 days) and by 14 days, changes in matrix production (Col1a1) were reported. We propose that changes in osteoblast differentiation and impaired matrix production during estrogen depletion may contribute to the altered quality of the bone and act as a contributing factor to increased bone fragility in postmenopausal osteoporosis.
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14
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Dong H, Zhu T, Zhang M, Wang D, Wang X, Huang G, Wang S, Zhang M. Polymer Scaffolds-Enhanced Bone Regeneration in Osteonecrosis Therapy. Front Bioeng Biotechnol 2021; 9:761302. [PMID: 34631688 PMCID: PMC8498195 DOI: 10.3389/fbioe.2021.761302] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2021] [Accepted: 09/09/2021] [Indexed: 12/12/2022] Open
Abstract
Osteonecrosis without effective early treatment eventually leads to the collapse of the articular surface and causes arthritis. For the early stages of osteonecrosis, core decompression combined with bone grafting, is a procedure worthy of attention and clinical trial. And the study of bone graft substitutes has become a hot topic in the area of osteonecrosis research. In recent years, polymers have received more attention than other materials due to their excellent performance. However, because of the harsh microenvironment in osteonecrosis, pure polymers may not meet the stringent requirements of osteonecrosis research. The combined application of polymers and various other substances makes up for the shortcomings of polymers, and to meet a broad range of requirements for application in osteonecrosis therapy. This review focuses on various applying polymers in osteonecrosis therapy, then discusses the development of biofunctionalized composite polymers based on the polymers combined with different bioactive substances. At the end, we discuss their prospects for translation to clinical practice.
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Affiliation(s)
- Hengliang Dong
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Tongtong Zhu
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Mingran Zhang
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Dapeng Wang
- Department of Orthopedics, Siping Central Hospital, Siping, China
| | - Xukai Wang
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Guanning Huang
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Shuaishuai Wang
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
| | - Minglei Zhang
- Department of Orthopedics, China-Japan Union Hospital of Jilin University, Changchun, China
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15
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Sanda K, Ayukawa Y, Yasunami N, Adachi N, Furuhashi A, Imai M, Matsunaka K, Koyano K. Therapeutic effect of fluvastatin on medication-related osteonecrosis of the jaw. J Periodontol 2021; 93:837-846. [PMID: 34510440 DOI: 10.1002/jper.21-0294] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 08/24/2021] [Accepted: 09/03/2021] [Indexed: 12/18/2022]
Abstract
BACKGROUND Refractory jaw osteonecrosis that occurs in osteoporotic or cancer patients treated with bisphosphonates is called medication-related osteonecrosis of the jaw but its underlying mechanism is unclear. Statins, therapeutic agents for dyslipidemia, lower blood low-density lipoprotein cholesterol. Fluvastatin promotes the healing of tooth extraction sockets and reduces the risk of developing medication-related osteonecrosis of the jaw-like lesions. We used a rat model to investigate whether injecting fluvastatin at extraction sites promoted the healing of medication-related osteonecrosis of the jaw-like lesions. METHODS Upper first molars of rats administered zoledronate and dexamethasone for 2 weeks were extracted. Two weeks after tooth extraction, rats with medication-related osteonecrosis of the jaw-like lesions (bone exposure) were included in this study. A single injection of fluvastatin was administered in the vicinity of the medication-related osteonecrosis of the jaw-like onset site in rats. RESULTS The distance between the edges of the epithelia, the length of the necrotic bone exposed toward the oral cavity, the area of the necrotic bone, and the necrotic bone ratio were significantly smaller in the fluvastatin-administered group compared with the saline group. A single application of fluvastatin near the site of medication-related osteonecrosis of the jaw onset showed a tendency to close the epithelium, reduce necrotic bone, and form new bone, even when symptoms had already developed. CONCLUSION This study suggests that a single topical administration of fluvastatin may be a novel treatment for medication-related osteonecrosis of the jaw.
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Affiliation(s)
- Koma Sanda
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Yasunori Ayukawa
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Noriyuki Yasunami
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Naomi Adachi
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Akihiro Furuhashi
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Mikio Imai
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Ken Matsunaka
- Section of Implant and Rehabilitative Dentistry, Division of Oral Rehabilitation, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
| | - Kiyoshi Koyano
- Division of Advanced Dental Devices and Therapeutics, Faculty of Dental Science, Kyushu University, Fukuoka, Japan
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16
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Schreuder WH, van der Wal JE, de Lange J, van den Berg H. Multiple versus solitary giant cell lesions of the jaw: Similar or distinct entities? Bone 2021; 149:115935. [PMID: 33771761 DOI: 10.1016/j.bone.2021.115935] [Citation(s) in RCA: 7] [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: 10/10/2020] [Revised: 02/27/2021] [Accepted: 03/17/2021] [Indexed: 02/06/2023]
Abstract
The majority of giant cell lesions of the jaw present as a solitary focus of disease in bones of the maxillofacial skeleton. Less frequently they occur as multifocal lesions. This raises the clinical dilemma if these should be considered distinct entities and therefore each need a specific therapeutic approach. Solitary giant cell lesions of the jaw present with a great diversity of symptoms. Recent molecular analysis revealed that these are associated with somatic gain-of-function mutations in KRAS, FGFR1 or TRPV4 in a large component of the mononuclear stromal cells which all act on the RAS/MAPK pathway. For multifocal lesions, a small group of neoplastic multifocal giant cell lesions of the jaw remain after ruling out hyperparathyroidism. Strikingly, most of these patients are diagnosed with jaw lesions before the age of 20 years, thus before the completion of dental and jaw development. These multifocal lesions are often accompanied by a diagnosis or strong clinical suspicion of a syndrome. Many of the frequently reported syndromes belong to the so-called RASopathies, with germline or mosaic mutations leading to downstream upregulation of the RAS/MAPK pathway. The other frequently reported syndrome is cherubism, with gain-of-function mutations in the SH3BP2 gene leading through assumed and unknown signaling to an autoinflammatory bone disorder with hyperactive osteoclasts and defective osteoblastogenesis. Based on this extensive literature review, a RAS/MAPK pathway activation is hypothesized in all giant cell lesions of the jaw. The different interaction between and contribution of deregulated signaling in individual cell lineages and crosstalk with other pathways among the different germline- and non-germline-based alterations causing giant cell lesions of the jaw can be explanatory for the characteristic clinical features. As such, this might also aid in the understanding of the age-dependent symptomatology of syndrome associated giant cell lesions of the jaw; hopefully guiding ideal timing when installing treatment strategies in the future.
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Affiliation(s)
- Willem H Schreuder
- Department of Oral and Maxillofacial Surgery, Amsterdam UMC and Academic Center for Dentistry Amsterdam, University of Amsterdam, Amsterdam, the Netherlands; Department of Head and Neck Surgery and Oncology, Antoni van Leeuwenhoek / Netherlands Cancer Institute, Amsterdam, the Netherlands.
| | - Jacqueline E van der Wal
- Department of Pathology, Antoni van Leeuwenhoek / Netherlands Cancer Institute, Amsterdam, the Netherlands
| | - Jan de Lange
- Department of Oral and Maxillofacial Surgery, Amsterdam UMC and Academic Center for Dentistry Amsterdam, University of Amsterdam, Amsterdam, the Netherlands
| | - Henk van den Berg
- Department of Pediatrics / Oncology, Amsterdam UMC, University of Amsterdam, Emma Children's Hospital, Amsterdam, the Netherlands
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17
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Saah S, Siriwan D, Trisonthi P. Biological activities of Boesenbergia rotunda parts and extracting solvents in promoting osteogenic differentiation of pre-osteoblasts. FOOD BIOSCI 2021. [DOI: 10.1016/j.fbio.2021.101011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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18
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Jin H, Ji Y, Cui Y, Xu L, Liu H, Wang J. Simvastatin-Incorporated Drug Delivery Systems for Bone Regeneration. ACS Biomater Sci Eng 2021; 7:2177-2191. [PMID: 33877804 DOI: 10.1021/acsbiomaterials.1c00462] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Local drug delivery systems composed of biomaterials and osteogenic substances provide promising strategies for the reconstruction of large bone defects. In recent years, simvastatin has been studied extensively for its pleiotropic effects other than lowering of cholesterol, including its ability to induce osteogenesis and angiogenesis. Accordingly, several studies of simvastatin incorporated drug delivery systems have been performed to demonstrate the feasibility of such systems in enhancing bone regeneration. Therefore, this review explores the molecular mechanisms by which simvastatin affects bone metabolism and angiogenesis. The simvastatin concentrations that promote osteogenic differentiation are analyzed. Furthermore, we summarize and discuss a variety of simvastatin-loaded drug delivery systems that use different loading methods and materials. Finally, current shortcomings of and future development directions for simvastatin-loaded drug delivery systems are summarized. This review provides various advanced design strategies for simvastatin-incorporated drug delivery systems that can enhance bone regeneration.
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Affiliation(s)
- Hui Jin
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun 130041, P.R. China.,Department of Pain, The Second Hospital of Jilin University, Changchun 130041, P.R. China
| | - Youbo Ji
- Department of Pain, The Second Hospital of Jilin University, Changchun 130041, P.R. China
| | - Yutao Cui
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun 130041, P.R. China
| | - Li Xu
- Department of Orthopedics, Weihai Guanghua Hospital, Weihai 264200, P.R. China
| | - He Liu
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun 130041, P.R. China
| | - Jincheng Wang
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun 130041, P.R. China
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19
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Rezaei H, Shahrezaee M, Jalali Monfared M, Fathi Karkan S, Ghafelehbashi R. Simvastatin-loaded graphene oxide embedded in polycaprolactone-polyurethane nanofibers for bone tissue engineering applications. JOURNAL OF POLYMER ENGINEERING 2021. [DOI: 10.1515/polyeng-2020-0301] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Abstract
Here, the role of simvastatin-loaded graphene oxide embedded in polyurethane-polycaprolactone nanofibers for bone tissue engineering has been investigated. The scaffolds were physicochemically and mechanically characterized, and obtained polymeric composites were used as MG-63 cell culture scaffolds. The addition of graphene oxide-simvastatin to nanofibers generates a homogeneous and uniform microstructure as well as a reduction in fiber diameter. Results of water-scaffolds interaction indicated higher hydrophilicity and absorption capacity as a function of graphene oxide addition. Scaffolds’ mechanical properties and physical stability improved after the addition of graphene oxide. Inducing bioactivity after the addition of simvastatin-loaded graphene oxide terminated its capability for hard tissue engineering application, evidenced by microscopy images and phase characterization. Nanofibrous scaffolds could act as a sustained drug carrier. Using the optimal concentration of graphene oxide-simvastatin is necessary to avoid toxic effects on tissue. Results show that the scaffolds are biocompatible to the MG-63 cell and support alkaline phosphatase activity, illustrating their potential use in bone tissue engineering. Briefly, graphene-simvastatin-incorporated in polymeric nanofibers was developed to increase bioactive components’ synergistic effect to induce more bioactivity and improve physical and mechanical properties as well as in vitro interactions for better results in bone repair.
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Affiliation(s)
- Hessam Rezaei
- Department of Orthopedic Surgery , School of Medicine, AJA University of Medical Sciences , Tehran , Iran
- Department of Biomedical Engineering , Science and Research Branch, Islamic Azad University , Tehran , Iran
| | - Mostafa Shahrezaee
- Department of Orthopedic Surgery , School of Medicine, AJA University of Medical Sciences , Tehran , Iran
| | - Marziyeh Jalali Monfared
- Department of Biomaterials and Medicinal Chemistry Research Center, AJA University of Medical Sciences , Tehran , Iran
| | - Sonia Fathi Karkan
- Department of Medical Nanotechnology, Faculty of Advanced Medical Science, Tabriz University of Medical Sciences , Tabriz , Iran
- Drug Applied Research Center, Tabriz University of Medical Sciences , Tabriz , Iran
- Student Research Committee , Tabriz University of Medical Sciences , Tabriz , Iran
| | - Robabehbeygom Ghafelehbashi
- Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences , Tehran , Iran
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20
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Wang K, Chen Y, Gao S, Wang M, Ge M, Yang Q, Liao M, Xu L, Chen J, Zeng Z, Chen H, Zhang XK, Lin T, Zhou H. Norlichexanthone purified from plant endophyte prevents postmenopausal osteoporosis by targeting ER α to inhibit RANKL signaling. Acta Pharm Sin B 2021; 11:442-455. [PMID: 33643823 PMCID: PMC7893202 DOI: 10.1016/j.apsb.2020.09.012] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2020] [Revised: 07/28/2020] [Accepted: 08/21/2020] [Indexed: 12/20/2022] Open
Abstract
Although different types of drugs are available for postmenopausal osteoporosis, the limitations of the current therapies including drug resistances and adverse effects require identification of novel anti-osteoporosis agents. Here, we defined that norlichexanthone (NOR), a natural product, is a ligand of estrogen receptor-alpha (ERα) and revealed its therapeutic potential for postmenopausal osteoporosis. We used mammalian-one hybrid assay to screen for ERα modulators from crude extracts of several plant endophytes. As a result, NOR purified from the extract of endophyte ARL-13 was identified as a selective ERα modulator. NOR directly bound to ERα with an affinity in nanomolar range, revealing that it is a natural ligand of ERα. NOR induced osteoblast formation in MC3T3-E1 precursor cells. Conversely, NOR inhibited receptor activator of nuclear factor-kappa B ligand (RANKL)-induced osteoclast formation in both RAW264.7 macrophages and mouse primary monocytes. Mechanistically, NOR inhibited RANKL-induced association of ERα and TRAF6 to prevent ERα-mediated TRAF6 activation via Lys63-linked ubiquitination. Importantly, NOR exhibited potent anti-osteoporosis efficacy in an ovariectomized mouse model. Comparing to estrogen, NOR was of much less capability in stimulating endometrial hyperplasia and promoting mammalian cancer cell proliferation. Taken together, our study identified NOR as a natural and high affinity ligand of ERα with substantial anti-osteoporosis but less estrogenic activity.
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Affiliation(s)
- Keqi Wang
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, China
| | - Yongyan Chen
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, China
| | - Shuo Gao
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, China
| | - Maosi Wang
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, China
| | - Mengmeng Ge
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, China
| | - Qian Yang
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, China
| | - Mingkai Liao
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, China
| | - Lin Xu
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, China
| | - Junjie Chen
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, China
- High Throughput Drug Screening Platform, Xiamen University, Xiamen 361102, China
| | - Zhiping Zeng
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, China
- High Throughput Drug Screening Platform, Xiamen University, Xiamen 361102, China
| | - Haifeng Chen
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, China
| | - Xiao-kun Zhang
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, China
- High Throughput Drug Screening Platform, Xiamen University, Xiamen 361102, China
| | - Ting Lin
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, China
- Corresponding authors. Tel.: +86 592 2881105; fax: +86 592 2881105.
| | - Hu Zhou
- School of Pharmaceutical Sciences, Fujian Provincial Key Laboratory of Innovative Drug Target Research, Xiamen University, Xiamen 361102, China
- High Throughput Drug Screening Platform, Xiamen University, Xiamen 361102, China
- Corresponding authors. Tel.: +86 592 2881105; fax: +86 592 2881105.
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21
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Tang H, Zhu Z, Zheng Z, Wang H, Li C, Wang L, Zhao G, Wang P. A study of hydrophobins-modified menaquinone-7 on osteoblastic cells differentiation. Mol Cell Biochem 2021; 476:1939-1948. [PMID: 33502649 DOI: 10.1007/s11010-021-04062-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2020] [Accepted: 01/11/2021] [Indexed: 10/22/2022]
Abstract
Menaquinone-7 is involved in bone metabolism and can be used to prevent and treat osteoporosis. However, as a fat-soluble vitamin, menaquinone-7 has poor water solubility. As a surfactant, hydrophobins can change the affinity/hydrophobicity of the covered interface. In this study, menaquinone-7 was modified by hydrophobins, and the different addition ratios were explored. Moreover, Fourier transform infrared (FTIR), X-ray photoelectron spectroscopy (XPS), and water contact angle (WCA) measurements indicated that hydrophobins effectively bind to menaquinone-7 and greatly increase the hydrophilicity of the surface of menaquinone-7. Studies on the metabolism of MC3T3-E1 cells showed that compared with native menaquinone-7, HGFI-modified menaquinone-7 can significantly promote osteoblast differentiation but inhibit osteoclast differentiation. Besides, the Mito-Tracker Green experiments show that HGFI-modified menaquinone-7 can significantly promote the activity of mitochondria in cells. These findings indicate that hydrophobins can be used as an effective biomaterial to modify menaquinone-7, promote the formation of osteoblasts, and better to bone balance.
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Affiliation(s)
- Hengfang Tang
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China.,Science Island Branch of Graduate, University of Science and Technology of China, Hefei, 230026, People's Republic of China
| | - Zhu Zhu
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China.,Science Island Branch of Graduate, University of Science and Technology of China, Hefei, 230026, People's Republic of China
| | - Zhiming Zheng
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China. .,Hefei Institute of Technology Innovation Engineering, CAS, Hefei, People's Republic of China.
| | - Han Wang
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China
| | - Chu Li
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China
| | - Li Wang
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China
| | - Genhai Zhao
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China
| | - Peng Wang
- Key Laboratory of High Magnetic Field and Ion Beam Physical Biology, Hefei Institutes of Physical Science, Chinese Academy of Sciences, Hefei, 230031, People's Republic of China. .,Hefei Institute of Technology Innovation Engineering, CAS, Hefei, People's Republic of China.
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22
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Terauchi M, Tamura A, Arisaka Y, Masuda H, Yoda T, Yui N. Cyclodextrin-Based Supramolecular Complexes of Osteoinductive Agents for Dental Tissue Regeneration. Pharmaceutics 2021; 13:136. [PMID: 33494320 PMCID: PMC7911178 DOI: 10.3390/pharmaceutics13020136] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/13/2021] [Accepted: 01/18/2021] [Indexed: 12/16/2022] Open
Abstract
Oral tissue regeneration has received growing attention for improving the quality of life of patients. Regeneration of oral tissues such as alveolar bone and widely defected bone has been extensively investigated, including regenerative treatment of oral tissues using therapeutic cells and growth factors. Additionally, small-molecule drugs that promote bone formation have been identified and tested as new regenerative treatment. However, treatments need to progress to realize successful regeneration of oral functions. In this review, we describe recent progress in development of regenerative treatment of oral tissues. In particular, we focus on cyclodextrin (CD)-based pharmaceutics and polyelectrolyte complexation of growth factors to enhance their solubility, stability, and bioactivity. CDs can encapsulate hydrophobic small-molecule drugs into their cavities, resulting in inclusion complexes. The inclusion complexation of osteoinductive small-molecule drugs improves solubility of the drugs in aqueous solutions and increases in vitro osteogenic differentiation efficiency. Additionally, various anionic polymers such as heparin and its mimetic polymers have been developed to improve stability and bioactivity of growth factors. These polymers protect growth factors from deactivation and degradation by complex formation through electrostatic interaction, leading to potentiation of bone formation ability. These approaches using an inclusion complex and polyelectrolyte complexes have great potential in the regeneration of oral tissues.
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Affiliation(s)
- Masahiko Terauchi
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (M.T.); (H.M.); (T.Y.)
| | - Atsushi Tamura
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan; (Y.A.); (N.Y.)
| | - Yoshinori Arisaka
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan; (Y.A.); (N.Y.)
| | - Hiroki Masuda
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (M.T.); (H.M.); (T.Y.)
| | - Tetsuya Yoda
- Department of Maxillofacial Surgery, Graduate School of Medical and Dental Science, Tokyo Medical and Dental University (TMDU), 1-5-45 Yushima, Bunkyo, Tokyo 113-8549, Japan; (M.T.); (H.M.); (T.Y.)
| | - Nobuhiko Yui
- Department of Organic Biomaterials, Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University (TMDU), 2-3-10 Kanda-Surugadai, Chiyoda, Tokyo 101-0062, Japan; (Y.A.); (N.Y.)
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Mood and Metabolic Health Status of Elderly Osteoporotic Patients in Korea: A Cross-Sectional Study of a Nationally Representative Sample. Healthcare (Basel) 2021; 9:healthcare9010077. [PMID: 33466908 PMCID: PMC7830950 DOI: 10.3390/healthcare9010077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2020] [Revised: 01/01/2021] [Accepted: 01/11/2021] [Indexed: 11/26/2022] Open
Abstract
This study aimed to investigate the association between osteoporosis and comorbidity, which are very common in Korea, and develop a treatment strategy to improve bone health based on the findings of the Korean National Health and Nutritional Examination Surveys (KNHANES). This study was based on data obtained from 4060 subjects (1755 males, 2305 females) aged above 60 years in the KNHANES (2016–2017). Well-trained medical staff performed the standard procedures and measured several variables including height, weight, and waist circumference. Interviews and laboratory tests were based on the diagnosis of hyperuricemia, dyslipidemia, type 2 diabetes mellitus (T2DM), osteoporosis, and depression. Comorbidities were defined as a self-reported physician diagnosis. The association of osteoporosis with depression and metabolic disease was assessed statistically using the complex sample analysis method of SPSS. The presence of osteoporosis, dyslipidemia, T2DM, hyperuricemia, obesity, abdominal obesity, and depression was 6.1 ± 0.5%, 15.2 ± 0.7%, 6.5 ± 0.4%, 13.4 ± 0.7%, 30.8 ± 0.8%, 19.4 ± 0.9%, 4.0 ± 0.2%, respectively. After adjusted by age, osteoporotic subjects were significance in the presence of abdominal obesity (p = 0.024, OR 0.80), hyperuricemia (p = 0.013, OR 0.68), dyslipidemia (p < 0.001, OR 1.84), and depression (p < 0.001, OR 2.56), respectively. Subgroup analyses showed dyslipidemia (female subjects, p < 0.001, OR 1.04; male subjects, p = 0.94, OR 1.09) and depression (female subjects, p < 0.001, OR 1.76; male subjects, p = 0.51, OR 0.62) were associated with osteoporotic female subjects but not in male subjects. The comorbidity of dyslipidemia and depression in female subjects was associated with osteoporosis and an odds ratio was 13.33 (95% CI: 8.58–20.71) (p < 0.001). The comorbidity of abdominal obesity (female subjects, p = 0.75, OR 0.97; male subjects, p = 0.94, OR 1.02) and hyperuricemia (female subjects, p = 0.27, OR 0.81; male subjects p = 0.07, OR 0.35) was not associated with osteoporosis in both Subgroup. The result of this study shows a strong dependency of comorbidity with dyslipidemia and depression in elderly women with osteoporosis. Therefore, efforts to improve dyslipidemia and depression might prevent compromised bone health.
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Jang JH, Kim S, Lee HJ, Suh HJ, Jo K. Stimulating effect of whey protein hydrolysate on bone growth in MC3T3-E1 cells and a rat model. Food Funct 2021; 12:5109-5117. [PMID: 33969848 DOI: 10.1039/d1fo00546d] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
This study was conducted to investigate the effect of whey protein hydrolysate (WPH) on osteogenic cell differentiation and its growth-promoting effects in rats. Alkaline phosphatase (ALP) activity and calcium deposition were measured by treating MC3T3-E1 cells with WPH, and mRNA and protein levels of factors related to osteoblast differentiation were assessed. ALP activity and calcium deposition were significantly increased in the WPH group (p < 0.001). These findings were confirmed by the upregulation of ALP, bone morphogenic protein, bone sialoprotein, and collagen at the mRNA and protein levels. Furthermore, to confirm the growth-promoting effect of WPH, bone growth was analyzed by administering 3-week-old Sprague-Dawley rats with whey protein or WPH. Moreover, serum levels of calcium, ALP, and insulin-like growth factor-1 (IGF-1) were analyzed, bone analysis was performed using micro-CT, and the size of the growth plate was measured by Cresyl violet staining. When rats were administered with a high dose of WPH (600 mg per kg per day), calcium levels decreased significantly, while ALP levels (1.14-fold; p < 0.01), IGF-1 levels, tibia length, and growth plate height increased significantly compared to those in the control group. Collectively, WPH has shown to be effective in bone differentiation and bone growth.
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Affiliation(s)
- Joo Hyun Jang
- R&D Center, Chong Kun Dang Healthcare Corporation, Seoul 07249, Republic of Korea
| | - Singeun Kim
- Department of Integrated Biomedical and Life Science, Graduate School, Korea University, Seoul 02841, Republic of Korea.
| | - Hyun Jung Lee
- Department of Animal, Veterinary, and Food Sciences, University of Idaho, Moscow 83844, USA
| | - Hyung Joo Suh
- Department of Integrated Biomedical and Life Science, Graduate School, Korea University, Seoul 02841, Republic of Korea.
| | - Kyungae Jo
- Department of Integrated Biomedical and Life Science, Graduate School, Korea University, Seoul 02841, Republic of Korea.
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25
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Lim YJ, Kim KM, Jang WG. Chrysophanol increases osteoblast differentiation via AMPK/Smad1/5/9 phosphorylation in vitro and in vivo. Clin Exp Pharmacol Physiol 2020; 48:515-523. [PMID: 33300218 DOI: 10.1111/1440-1681.13443] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Accepted: 11/05/2020] [Indexed: 01/20/2023]
Abstract
Chrysophanol (Chrysophanic acid; CA) is a natural anthraquinone found in Senna tora and rhubarb that has various characteristic features, including the ability to suppress adipogenesis. However, its effects on osteoblast differentiation have not been investigated. Herein, this study aimed to demonstrate the mechanism by which CA induces the osteoblast differentiation. CA increased the expression of osteogenic genes. The staining levels Alkaline phosphatase (ALP) and Alizarin Red S (ARS) were increased by chrysophanol. CA induced osteoblast differentiation through AMP-activated protein kinase (AMPK)/Small mothers against decapentaplegic (Smad1/5/9) activation in MC3T3-E1 cells. In addition, compound C, AMPK inhibitor (Comp. C)-induced cells suppressed osteogenic genes expression and AMPK/Smad1/5/9 activation. Interestingly, AMPK in the CA-induced AMPK/Smad1/5/9 signalling pathway was an upstream regulator of Smad1/5/9. In order to further dissect in bone development, we used a zebrafish model to investigate the effect of CA on bone development. These results suggest that CA stimulated bone development via AMPK/Smad1/5/9. Overall, our results demonstrate that CA promotes osteoblast differentiation via AMPK/Smad1/5/9 expression in vitro and in vivo.
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Affiliation(s)
- Young-Ju Lim
- Department of Biotechnology, College of Engineering, Daegu University, Gyeongbuk, Korea.,Research Institute of Anti-Aging, Daegu University, Gyeongbuk, Korea
| | - Kyeong-Min Kim
- Department of Biotechnology, College of Engineering, Daegu University, Gyeongbuk, Korea.,Research Institute of Anti-Aging, Daegu University, Gyeongbuk, Korea
| | - Won-Gu Jang
- Department of Biotechnology, College of Engineering, Daegu University, Gyeongbuk, Korea.,Research Institute of Anti-Aging, Daegu University, Gyeongbuk, Korea
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Water/pH dual responsive in situ calcium supplement collaborates simvastatin for osteoblast promotion mediated osteoporosis therapy via oral medication. J Control Release 2020; 329:121-135. [PMID: 33279604 DOI: 10.1016/j.jconrel.2020.11.059] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2020] [Revised: 11/22/2020] [Accepted: 11/29/2020] [Indexed: 12/20/2022]
Abstract
Calcium supplement is the most commonly adopted treatment for osteoporosis but usually requires high dose and frequency. The modality of calcium supplement is therefore overlooked by current nanomedicine-based osteoporosis therapies without proper oral formulations. Herein, we proposed a tetracycline (Tc) modified and monostearin (MS) coated amorphous calcium carbonate (ACC) platform (TMA) as oral bone targeted and osteoporosis microenvironment (water/pH) responsive carrier for in situ calcium supplement. Moreover, current osteoporosis therapies also fall short of finding suitable molecular target and effective therapeutic regimen to further increase the therapeutic efficacy over available treatment means. As a result, the simvastatin (Sim) was loaded into TMA to construct drug delivery system (TMA/Sim) capable of synergistically activating the bone morphogenetic proteins (BMPs)-Smad pathway to provide a novel therapeutic regimen for osteoblast promotion mediated osteoporosis therapy. Our results revealed that optimized TMA showed high accessibility and oral availability with targeted drug delivery to bone tissue. Most importantly, benefit from the effective in situ calcium supplement and targeted Sim delivery, this therapeutic regime (TMA/Sim) achieved better synergetic effects than conventional combination strategies with promising osteoporosis reversion performance under low calcium dosage (1/10 of commercial calcium carbonate tablet) and significantly attenuated side effects.
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27
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Role of Metabolism in Bone Development and Homeostasis. Int J Mol Sci 2020; 21:ijms21238992. [PMID: 33256181 PMCID: PMC7729585 DOI: 10.3390/ijms21238992] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2020] [Revised: 11/22/2020] [Accepted: 11/25/2020] [Indexed: 02/07/2023] Open
Abstract
Carbohydrates, fats, and proteins are the underlying energy sources for animals and are catabolized through specific biochemical cascades involving numerous enzymes. The catabolites and metabolites in these metabolic pathways are crucial for many cellular functions; therefore, an imbalance and/or dysregulation of these pathways causes cellular dysfunction, resulting in various metabolic diseases. Bone, a highly mineralized organ that serves as a skeleton of the body, undergoes continuous active turnover, which is required for the maintenance of healthy bony components through the deposition and resorption of bone matrix and minerals. This highly coordinated event is regulated throughout life by bone cells such as osteoblasts, osteoclasts, and osteocytes, and requires synchronized activities from different metabolic pathways. Here, we aim to provide a comprehensive review of the cellular metabolism involved in bone development and homeostasis, as revealed by mouse genetic studies.
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Badran SA, Atia-tul-Wahab, Fayyaz S, Muhammad BT, Choudhary MI. Effect of Steroidal Hormone Pregnenolone on Proliferation and Differentiation of MC3T3-E1 Osteoblast like Cells. LETT DRUG DES DISCOV 2020. [DOI: 10.2174/1570180817666200204110859] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Bone remodeling is a complex process that includes continuous resorption
by osteoclast cells and bone formation by osteoblast cells. Bone fragility is a common health issue
of the elderly population, particularly in postmenopausal women. It has been established that steroidal
hormones have an important role in bone homeostasis. Therefore hormone replacement therapy
could have beneficial effects on bone health as compared to other treatments.
Objectives:
An imbalance between the rate of bone formation and bone resorption leads to the fragility
of bones. During the current study, we aimed to explore the ability of pregnenolone (1) (PRE),
on proliferation and differentiation of MC3T3-E1 cells. We further aimed to investigate the underlying
mechanism of action for the anabolic effect of PRE (1).
Methods:
The effects of pregnenolone (1) on proliferation, differentiation, and mineralization of
MC3T3 osteoblast-like cells were determined. Cell viability was analyzed using MTT assay and
flow cytometry. ALP activity and alizarin staining were employed to evaluate the effect of pregnenolone
on osteoblast differentiation. Moreover, western blot for analysis of certain important proteins,
crucial for the regulation of bone homeostasis, such as BMP2 and RANKL, was also performed.
Results:
Our results showed that pregnenolone (1) at a concentration of 5 μM
caused a significant (p< 0.05) rise in the growth of MC3T3-E1 cells, whereas a comparable effect
was observed in osteoblast differentiating assays. A significant decrease in RANKL expression was
observed at (0.04 – 1 .M). Our results, therefore, indicated the possible role of pregnenolone (1) in
positive regulation of bone homeostasis by suppressing RANKL expression.
Conclusion:
Taken together, our results indicate that pregnenolone (1) has the potential to enhance
osteoblast proliferation, as inferred from the increased number of cells. These results demonstrated that
pregnenolone (1) could be a potential anabolic agent for the treatment of fragility related disorders.
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Affiliation(s)
- Serene Adnan Badran
- Department of Pediatric Dentistry and Orthodontics, Faculty of Dentistry, University of Jordan, Amman-11942, Jordan
| | - Atia-tul-Wahab
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan
| | - Sharmeen Fayyaz
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan
| | - Bushra Taj Muhammad
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan
| | - Muhammad Iqbal Choudhary
- Dr. Panjwani Center for Molecular Medicine and Drug Research, International Center for Chemical and Biological Sciences, University of Karachi, Karachi-75270, Pakistan
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Sabandal MMI, Schäfer E, Aed J, Jung S, Kleinheinz J, Sielker S. Simvastatin induces adverse effects on proliferation and mineralization of human primary osteoblasts. Head Face Med 2020; 16:18. [PMID: 32819403 PMCID: PMC7439668 DOI: 10.1186/s13005-020-00232-4] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2020] [Accepted: 07/22/2020] [Indexed: 11/10/2022] Open
Abstract
Background Frequently statins were administered to reduce the LDL-concentration in circulating blood. Especially simvastatin (SV) is an often prescribed statin. Pleiotropic effects of these drugs were reported. Thus, the aim of this study was to evaluate effects of SV on osteoblastic mineralization. Methods After informed consent primary osteoblasts were collected from tissue surplus after treatment of 14 individuals in the Department of Cranio-Maxillofacial Surgery, University Hospital Münster. The cells were passaged according to established protocols. Viability, mineralization capability and osteoblastic marker (alkaline phosphatase) were determined at day 9, 13 and 16 after adding various SV concentrations (0.05 μM, 0.1 μM, 0.5 μM, 1.0 μM). Statistical analysis was performed using the Kruskal-Wallis-test. Results The cell cultures showed a time and dose-dependent significantly decreased viability (p < 0.01) and a significantly increased mineralization (p < 0.01) in a late mineralization stage after adding SV. The typical alteration of the alkaline phosphatase (ALP) levels during osteogenic differentiation was not recognizable. Conclusions The pleiotropic effects found for different SV concentrations were possibly originated from other mineralization pathways beside the ALP induced one. Additionally, possible alterations of protein expression levels during mineralization and investigation of possible deviating application of SV in other treatment fields can be considered after gaining a deeper insight in the affected mechanisms.
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Affiliation(s)
- Martin Mariano Isabelo Sabandal
- Central Interdisciplinary Ambulance in the School of Dentistry, University of Münster, Albert-Schweitzer-Campus 1, Gebäude W30, Waldeyerstr. 30, 48149, Münster, Germany.
| | - Edgar Schäfer
- Central Interdisciplinary Ambulance in the School of Dentistry, University of Münster, Albert-Schweitzer-Campus 1, Gebäude W30, Waldeyerstr. 30, 48149, Münster, Germany
| | - Jonathan Aed
- Central Interdisciplinary Ambulance in the School of Dentistry, University of Münster, Albert-Schweitzer-Campus 1, Gebäude W30, Waldeyerstr. 30, 48149, Münster, Germany.,Department of Cranio-Maxillofacial Surgery, University Hospital Münster, Münster, Germany
| | - Susanne Jung
- Department of Cranio-Maxillofacial Surgery, University Hospital Münster, Münster, Germany
| | - Johannes Kleinheinz
- Department of Cranio-Maxillofacial Surgery, University Hospital Münster, Münster, Germany
| | - Sonja Sielker
- Department of Cranio-Maxillofacial Surgery, University Hospital Münster, Münster, Germany
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30
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Wang J, Tao S, Jin X, Song Y, Zhou W, Lou H, Zhao R, Wang C, Hu F, Yuan H. Calcium Supplement by Tetracycline guided amorphous Calcium Carbonate potentiates Osteoblast promotion for Synergetic Osteoporosis Therapy. Am J Cancer Res 2020; 10:8591-8605. [PMID: 32754265 PMCID: PMC7392017 DOI: 10.7150/thno.45142] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2020] [Accepted: 06/01/2020] [Indexed: 12/18/2022] Open
Abstract
Background: The calcium supplement is a clinically approved approach for osteoporosis therapy but usually requires a large dosage without targetability and with poor outcome. This modality is not fully explored in current osteoporosis therapy due to the lack of proper calcium supplement carrier. Methods: In this study, we constructed a tetracycline (Tc) modified and simvastatin (Sim) loaded phospholipid-amorphous calcium carbonate (ACC) hybrid nanoparticle (Tc/ACC/Sim). Results: The resulted Tc/ACC/Sim was able to enhance its accumulation at the osteoporosis site. Most importantly, the combination of calcium supplement and Sim offered synergetic osteoblast promotion therapy of osteoporosis with advanced performance than non-targeted system or mono therapy. Conclusion: This platform provides an alternative approach to stimulate bone formation by synergetic promotion of osteoblast differentiation using calcium supplement and Sim.
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Jones JM, Player DJ, Samanta S, Rangasami VK, Hilborn J, Lewis MP, Oommen OP, Mudera V. Hyaluronan derived nanoparticle for simvastatin delivery: evaluation of simvastatin induced myotoxicity in tissue engineered skeletal muscle. Biomater Sci 2020; 8:302-312. [PMID: 31701967 DOI: 10.1039/c9bm00986h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Statins are currently the most prescribed hypercholesterolemia-lowering drugs worldwide, with estimated usage approaching one-sixth of the population. However, statins are known to cause pleiotropic skeletal myopathies in 1.5% to 10% of patients and the mechanisms by which statins induce this response, are not fully understood. In this study, a 3D collagen-based tissue-engineered skeletal muscle construct is utilised as a screening platform to test the efficacy and toxicity of a new delivery system. A hyaluronic acid derived nanoparticle loaded with simvastatin (HA-SIM-NPs) is designed and the effect of free simvastatin and HA-SIM-NPs on cellular, molecular and tissue response is investigated. Morphological ablation of myotubes and lack of de novo myotube formation (regeneration) was evident at the highest concentrations (333.33 μM), independent of delivery vehicle (SIM or HA-SIM-NP). A dose-dependent disruption of the cytoskeleton, reductions in metabolic activity and tissue engineered (TE) construct tissue relaxation was evident in the free drug condition (SIM, 3.33 μM and 33.33 nM). However, most of these changes were ameliorated when SIM was delivered via HA-SIM-NPs. Significantly, homogeneous expressions of MMP2, MMP9, and myogenin in HA-SIM-NPs outlined enhanced regenerative responses compared to SIM. Together, these results outline statin delivery via HA-SIM-NP as an effective delivery mechanism to inhibit deleterious myotoxic side-effects.
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Affiliation(s)
- Julia M Jones
- Division of Surgery and Interventional Science, University College London, London, UK
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Akbari V, Rezazadeh M, Ebrahimi Z. Comparison the effects of chitosan and hyaluronic acid-based thermally sensitive hydrogels containing rosuvastatin on human osteoblast-like MG-63 cells. Res Pharm Sci 2020; 15:97-106. [PMID: 32180821 PMCID: PMC7053290 DOI: 10.4103/1735-5362.278719] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022] Open
Abstract
Background and purpose: Bone regeneration can be accelerated by localized delivery of statins. Here, we aimed to evaluate the effect of two thermosensitive hydrogels containing rosuvastatin (RSV) on proliferation and differentiation of human osteoblast-like MG-63 cells. Experimental approach: Firstly, chitosan (CTS)/glycerophosphate (GP)/gelatin (G) thermosensitive hydrogel was prepared and characterized based on rheological properties, in vitro erosion, and release pattern of RSV and then the optimized mixture was loaded with nanoparticles containing RSV(NRSV). Secondly, the effect of NRSV-embedded in CTS/GP/G on cell viability, alkaline phosphate activity, and cell calcification was evaluated using MG-63 cells and compared with RSV-embedded into hyaluronic acid (HA)/Pluronic® F127 (PF127) hydrogel. Findings / Results: CTS/GP mixtures with 1 and 1.5 % gelatin existing in solution with low viscosity at 4 °C were solidified at 32-34 °C while the mixture containing 2% gelatin was jellified at room temperature. The gelation times of CTS/GP/G with 1 and 1.5% gelatin were 72 and 44 s, respectively. The hydrogel containing 3% w/v NRSV was also converted to a semisolid upon increasing the temperature to 33-36 °C. Due to the higher gel strength of CTS/GP/G compared to HA/PF127 hydrogel, the release rate of RSV from the NRSV-embedded CTS/GP/G hydrogel was significantly slower than that of HA/PF127 system. As revealed by alkaline phosphatase and mineralization assays, NRSV-embedded in CTS/GP/G hydrogel had the most promotive effect on differentiation of osteoblasts among other mixtures. Conclusion and implication: NRSV-embedded in CTS/GP/G hydrogel could be efficiently used in the future for bone defects such as osteoporosis and bone fractures.
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Affiliation(s)
- Vajihe Akbari
- Department of Pharmaceutical Biothenology, Isfahan Pharmaceutical Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I. R. Iran
| | - Mahboubeh Rezazadeh
- Department of Pharmaceutics and Novel Drug Delivery System Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Zahra Ebrahimi
- Department of Pharmaceutics and Novel Drug Delivery System Research Center, School of Pharmacy and Pharmaceutical Sciences, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
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Agas D, Amaroli A, Lacava G, Yanagawa T, Sabbieti MG. Loss of p62 impairs bone turnover and inhibits PTH-induced osteogenesis. J Cell Physiol 2020; 235:7516-7529. [PMID: 32100883 DOI: 10.1002/jcp.29654] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2019] [Accepted: 02/12/2020] [Indexed: 12/17/2022]
Abstract
The p62 (also named sequestosome1/SQSTM1) is multidomain and multifunctional protein associated with several physiological and pathological conditions. A number of studies evidenced an involvement of p62 on the disruptive bone scenarios due to its participation in the inflammatory/osteoclastogenic pathways. However, so far, information regarding the function of p62 in the fine-tuned processes underpinning the bone physiology are not well-defined and are sometime discordant. We, previously, demonstrated that the intramuscular administration of a plasmid coding for p62 was able to contrast bone loss in a mouse model of osteopenia. Here, in vitro findings showed that the p62 overexpression in murine osteoblasts precursors enhanced their maturation while the p62 depletion by a specific siRNA, decreased osteoblasts differentiation. Consistently, the activity of osteoblasts from p62-/- mice was reduced compared with wild-type. Also, morphometric analyses of bone from p62 knockout mice revealed a pathological phenotype characterized by a lower turnover that could be explained by the poor Runx2 protein synthesis in absence of p62. Furthermore, we demonstrated that the parathyroid hormone (PTH) regulates p62 expression and that the osteogenic effects of this hormone were totally abrogated in osteoblasts from p62-deficient mice. Therefore, these findings, for the first time, highlight the important role of p62 both for the basal and for PTH-stimulated bone remodeling.
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Affiliation(s)
- Dimitrios Agas
- School of Biosciences and Veterinary Medicine, University of Camerino, Macerata, Italy
| | - Andrea Amaroli
- Department of Surgical and Diagnostic Sciences, Laser Therapy Center, University of Genoa, Genoa, Italy
| | - Giovanna Lacava
- School of Biosciences and Veterinary Medicine, University of Camerino, Macerata, Italy
| | - Toru Yanagawa
- Department of Oral and Maxillofacial Surgery, Faculty of Medicine, University of Tsukuba, Tsukuba, Japan
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Rendina-Ruedy E, Rosen CJ. Lipids in the Bone Marrow: An Evolving Perspective. Cell Metab 2020; 31:219-231. [PMID: 31668874 PMCID: PMC7004849 DOI: 10.1016/j.cmet.2019.09.015] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/09/2019] [Revised: 09/05/2019] [Accepted: 09/20/2019] [Indexed: 12/15/2022]
Abstract
Because of heavy energy demands to maintain bone homeostasis, the skeletal system is closely tied to whole-body metabolism via neuronal and hormonal mediators. Glucose, amino acids, and fatty acids are the chief fuel sources for bone resident cells during its remodeling. Lipids, which can be mobilized from intracellular depots in the bone marrow, can be a potent source of fatty acids. Thus, while it has been suggested that adipocytes in the bone marrow act as "filler" and are detrimental to skeletal homeostasis, we propose that marrow lipids are, in fact, essential for proper bone functioning. As such, we examine the prevailing evidence regarding the storage, use, and export of lipids within the skeletal niche, including from both in vitro and in vivo model systems. We also highlight the numerous challenges that remain to fully appreciate the relationship of lipid turnover to skeletal homeostasis.
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Affiliation(s)
- Elizabeth Rendina-Ruedy
- Center for Molecular Medicine, Research Institute, Maine Medical Center, Scarborough, ME 04074, USA; Vanderbilt Center for Bone Biology, Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN 37232, USA; Department of Medicine, Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
| | - Clifford J Rosen
- Center for Molecular Medicine, Research Institute, Maine Medical Center, Scarborough, ME 04074, USA
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35
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Lau CPY, Fung CSH, Wong KC, Wang YH, Huang L, Tsui SKW, Lee OK, Kumta SM. Simvastatin Possesses Antitumor and Differentiation-Promoting Properties That Affect Stromal Cells in Giant Cell Tumor of Bone. J Orthop Res 2020; 38:297-310. [PMID: 31471919 DOI: 10.1002/jor.24456] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Accepted: 08/23/2019] [Indexed: 02/04/2023]
Abstract
Giant cell tumor of bone (GCTB) is a locally aggressive destructive bone lesion. The management of pulmonary metastasis and local recurrence after the surgical treatment of GCTB remains a challenge. Pathologically, stromal cells in GCTB are known as primary neoplastic cells and are recognized as incompletely differentiated preosteoblasts. Therefore, inducing GCTB stromal cells to differentiate into cells with a mature osteoblastic phenotype may stop tumor growth and recurrence. In this study, we aimed to investigate how simvastatin, a clinically approved and commonly used statin that has been known to promote the maturation of cells of the osteogenic lineage, affects GCTB stromal cells. We found that simvastatin effectively inhibited cell viability by suppressing proliferation and by inducing apoptosis in GCTB stromal cells. Moreover, simvastatin treatment upregulated the expression of genes related to osteogenic maturation, such as runt-related transcription factor 2, osteopontin, and osteocalcin, and increased the mineralization of the extracellular matrix in GCTB stromal cells. Ingenuity pathway analysis was used to discover that the vitamin D receptor pathway was involved in the simvastatin-induced osteogenic differentiation of GCTB stromal cells by upregulating the 1,25-dihydroxyvitamin D metabolism. Taken together, this in vitro study demonstrates the antitumor and differentiation-promoting effects of simvastatin on GCTB stromal cells and suggests the possibility of using simvastatin as an adjuvant therapy for GCTB. These findings support further clinical investigation of the efficacy of using simvastatin as an adjuvant therapy for GCTB to reduce recurrence and distant metastasis after surgical treatment. © 2019 Orthopedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 38:297-310, 2020.
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Affiliation(s)
- Carol P Y Lau
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong.,Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong.,The Sir Yue-kong Pao Cancer Centre, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong
| | - Cathy S H Fung
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong
| | - Kwok Chuen Wong
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong
| | - Yu-Hsuan Wang
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong.,Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong
| | - Lin Huang
- Department of Surgery, The Chinese University of Hong Kong, Hong Kong
| | - Stephen K W Tsui
- School of Biomedical Sciences, The Chinese University of Hong Kong, Hong Kong
| | - Oscar K Lee
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong.,Institute for Tissue Engineering and Regenerative Medicine, The Chinese University of Hong Kong, Hong Kong.,Li Ka Shing Institute of Health Sciences, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong
| | - Shekhar M Kumta
- Department of Orthopaedics and Traumatology, The Chinese University of Hong Kong, Hong Kong.,The Sir Yue-kong Pao Cancer Centre, Prince of Wales Hospital, The Chinese University of Hong Kong, Hong Kong
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36
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Effect of statins on orthodontic tooth movement: A systematic review of animal and clinical studies. Arch Oral Biol 2020; 111:104665. [PMID: 31951846 DOI: 10.1016/j.archoralbio.2020.104665] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2019] [Revised: 01/10/2020] [Accepted: 01/10/2020] [Indexed: 01/06/2023]
Abstract
OBJECTIVE The objective was to systematically-review the effect of statin drugs on orthodontic-tooth-movement (OTM). DESIGN The focused-question was "Does statin therapy affect OTM?" PubMed, Ovid Medline, Cochrane Library, Scopus, EMBASE and Web of Science databases were searched without time and language restrictions using different key words. Studies assessing the effect of adjunctive statin administration on OTM compared with orthodontic treatment alone were included. The search was performed up to and including December 2018. Data regarding the study design/grouping, subjects, age/gender, duration of follow-up, outcome variables and parameters related to OTM and statins administration were evaluated. RESULTS Nine studies (1 clinical and 8 studies performed in animal-models) were included. Six studies used Simvastatin, whereas three studies used Atorvastatin. Six experimental studies and one clinical study reported reduction in OTM upon statin administration. Two experimental studies reported no effect of statin administration on OTM. In 90 % of the studies, the risk-of-bias was high. CONCLUSION Based upon the high risk-of-bias and methodological inconsistencies among the included studies, the influence of statin delivery on OTM remains debatable.
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37
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Tao S, Chen SQ, Zhou WT, Yu FY, Bao L, Qiu GX, Qiao Q, Hu FQ, Wang JW, Yuan H. A novel biocompatible, simvastatin-loaded, bone-targeting lipid nanocarrier for treating osteoporosis more effectively. RSC Adv 2020; 10:20445-20459. [PMID: 35517758 PMCID: PMC9054278 DOI: 10.1039/d0ra00685h] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2020] [Revised: 07/16/2020] [Accepted: 05/11/2020] [Indexed: 12/16/2022] Open
Abstract
An insufficient drug concentration at the target site and drug efflux resulting in poor efficacy are recognized as important obstacles in osteoporosis treatment. Simvastatin (SIM), which can treat osteoporosis by promoting osteoblast differentiation and mineralization through the bone morphogenetic proteins (BMP)-Smad signaling pathway, has lower bioavailability, and less bone tissue distribution. Herein, novel lipid nanoparticles (LNPs) delivering SIM (SIM/LNPs) for osteoporosis therapy were developed with aspartic oligopeptide (ASPn, here ASP6)-based bone-targeting moieties grafted to the nanoparticles (SIM/ASP6-LNPs) in an attempt to increase the concentration of SIM in bones with a relatively low dose to minimize adverse effects. In vivo experiments indicated that the ASP6-LNPs exhibited ideal bone-targeting characteristics, and in vitro cell evaluation experiments showed LNPs have good biocompatibility with MC3T3-E1 cells. The cell mineralization experiment revealed that the SIM-loaded LNPs induced osteoblast differentiation and the formation of mineralized nodules in MC3T3-E1 cells, achieving the same efficacy as that of SIM. Pharmacodynamic experiments revealed that SIM/ASP6-LNPs improved the efficacy of SIM on the recovery of bone mineral density when compared to SIM/LNPs or to SIM alone. Therefore, SIM/ASP6-LNPs may represent a potential bone-targeting drug delivery system (DDS) that contributes to the development of a novel osteoporosis treatment. A scheme of the preparation of SIM/ASP6-LNPs and a mechanism which indicated that SIM/ASP6-LNPs could improve the efficacy of SIM on the recovery of osteoporosis under the action of bone-targeting moieties ASP6.![]()
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Affiliation(s)
- Shan Tao
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou
- China
| | - Shao-qing Chen
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou
- China
| | - Wen-tao Zhou
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou
- China
| | - Fang-ying Yu
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou
- China
| | - Lu Bao
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou
- China
| | - Guo-xi Qiu
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou
- China
| | - Qing Qiao
- Anesthesia Department
- Zhejiang University School of Medicine
- Sir Run Run Shaw Hospital
- Hangzhou
- China
| | - Fu-qiang Hu
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou
- China
| | - Jian-wei Wang
- Department of Orthopaedics
- The Second Affiliated Hospital of Zhejiang University School of Medicine
- Hangzhou
- China
| | - Hong Yuan
- College of Pharmaceutical Sciences
- Zhejiang University
- Hangzhou
- China
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38
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Hughes R, Chen X, Hunter KD, Hobbs JK, Holen I, Brown NJ. Bone marrow osteoprogenitors are depleted whereas osteoblasts are expanded independent of the osteogenic vasculature in response to zoledronic acid. FASEB J 2019; 33:12768-12779. [PMID: 31490705 PMCID: PMC6902700 DOI: 10.1096/fj.201900553rr] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Accepted: 08/05/2019] [Indexed: 12/21/2022]
Abstract
Zoledronic acid (ZOL) is an antiresorptive drug used to prevent bone loss in a variety of conditions, acting mainly through suppression of osteoclast activity. There is growing evidence that ZOL can also affect cells of the mesenchymal lineage in bone. We present novel data revealing significant changes in the abundance of perivascular mesenchymal stromal cells (MSCs)/osteoprogenitors and osteoblasts following the injection of ZOL, in vivo. In young mice with high bone turnover and an abundance of perivascular osteoprogenitors, ZOL significantly (P < 0.0001) increased new bone formation. This was accompanied by a decline in osterix-positive osteoprogenitors and a corresponding increase in osteoblasts. However, these effects were not observed in mature mice with low bone turnover. Interestingly, the ZOL-induced changes in cells of the mesenchymal lineage occurred independently of effects on the osteogenic vasculature. Thus, we demonstrate that a single, clinically relevant dose of ZOL can induce new bone formation in microenvironments enriched for perivascular MSC/osteoprogenitors and high osteogenic potential. This arises from the differentiation of perivascular osterix-positive MSC/osteoprogenitors into osteoblasts at sites that are innately osteogenic. Collectively, our data demonstrate that ZOL affects multiple cell types in bone and has differential effects depending on the level of bone turnover.-Hughes, R., Chen, X., Hunter, K. D., Hobbs, J. K., Holen, I., Brown, N. J. Bone marrow osteoprogenitors are depleted whereas osteoblasts are expanded independent of the osteogenic vasculature in response to zoledronic acid.
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Affiliation(s)
- Russell Hughes
- Department of Oncology and Metabolism, Experimental Cancer Medicine Centre, University of Sheffield, Sheffield, United Kingdom
| | - Xinyue Chen
- Department of Oncology and Metabolism, Experimental Cancer Medicine Centre, University of Sheffield, Sheffield, United Kingdom
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - Keith D. Hunter
- School of Clinical Dentistry, University of Sheffield, United Kingdom
| | - Jamie K. Hobbs
- Department of Physics and Astronomy, University of Sheffield, Sheffield, United Kingdom
| | - Ingunn Holen
- Department of Oncology and Metabolism, Experimental Cancer Medicine Centre, University of Sheffield, Sheffield, United Kingdom
| | - Nicola J. Brown
- Department of Oncology and Metabolism, Experimental Cancer Medicine Centre, University of Sheffield, Sheffield, United Kingdom
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39
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Shah AK, Yeganehjoo H. The stimulatory impact of d-δ-Tocotrienol on the differentiation of murine MC3T3-E1 preosteoblasts. Mol Cell Biochem 2019; 462:173-183. [PMID: 31620952 DOI: 10.1007/s11010-019-03620-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2019] [Accepted: 08/24/2019] [Indexed: 02/06/2023]
Abstract
Osteoblasts and osteoclasts play essential and opposite roles in maintaining bone homeostasis. Osteoblasts fill cavities excavated by osteoclasts. The mevalonate pathway provides essential prenyl pyrophosphates for the activities of GTPases that promote differentiation of osteoclasts but suppress that of osteoblasts. Preclinical and clinical studies suggest that mevalonate suppressors such as statins increase bone mineral density and reduce risk of bone fracture. Tocotrienols down-regulate 3-hydroxy-3-methylglutaryl coenzyme A (HMG CoA) reductase, the rate-limiting enzyme in the mevalonate pathway. In vivo studies have shown the bone-protective activity of tocotrienols. We hypothesize that d-δ-tocotrienol, a mevalonate suppressor, induces differentiation of murine MC3T3-E1 preosteoblasts. Alizarin staining showed that d-δ-tocotrienol (0-25 μmol/L) induced mineralized nodule formation in a concentration-dependent manner in MC3T3-E1 preosteoblasts. d-δ-Tocotrienol (0-25 μmol/L), but not D-α-tocopherol (25 μmol/L), significantly induced alkaline phosphatase activity, an indicator of preosteoblast differentiation. The expression of differentiation marker genes including BMP-2 and VEGFα was stimulated dose dependently by d-δ-tocotrienol (0-25 μmol/L). Concomitantly, Western blot analysis showed that d-δ-tocotrienol down-regulated HMG CoA reductase. d-δ-Tocotrienol (0-25 μmol/L) had no impact on the viability of MC3T3-E1 preosteoblasts following 48-h incubation, suggesting lack of cytotoxicity at these doses. Tocotrienols and other mevalonate suppressors have potential in maintaining bone health.
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Affiliation(s)
- Anureet Kaur Shah
- Department of Nutrition and Food Science, Texas Woman's University, Denton, TX, USA. .,Department of Kinesiology and Nutritional Science, California State University, Los Angeles, USA. .,School of Kinesiology and Nutritional Science, California State University, Los Angeles, USA.
| | - Hoda Yeganehjoo
- Department of Nutrition and Food Science, Texas Woman's University, Denton, TX, USA.,Department of Clinical Nutrition, University of Texas Southwestern Medical Center, Dallas, TX, USA
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40
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Formulation of transdermal nanoemulsion gel drug delivery system of lovastatin and its in vivo characterization in glucocorticoid induced osteoporosis rat model. J Drug Deliv Sci Technol 2019. [DOI: 10.1016/j.jddst.2019.06.008] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
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41
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Chen X, Liu Y, Zhou Y, Liu S, Yang X, Song Y. Effect of simvastatin on fracture healing of type 2 diabetic rats. Panminerva Med 2019; 63:392-393. [PMID: 31355609 DOI: 10.23736/s0031-0808.19.03700-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Xi Chen
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China.,Department of Orthopedics, People's Hospital of Deyang, Deyang, China
| | - Yuehong Liu
- Department of Orthopedics, People's Hospital of Deyang, Deyang, China
| | - Yu Zhou
- Department of Orthopedics, People's Hospital of Deyang, Deyang, China
| | - Shuping Liu
- Department of Orthopedics, People's Hospital of Deyang, Deyang, China
| | - Xi Yang
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China
| | - Yueming Song
- Department of Orthopedics, West China Hospital, Sichuan University, Chengdu, China -
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42
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Venkatesan N, Liyanage AT, Castro-Núñez J, Asafo-Adjei T, Cunningham LL, Dziubla TD, Puleo DA. Biodegradable polymerized simvastatin stimulates bone formation. Acta Biomater 2019; 93:192-199. [PMID: 31055123 DOI: 10.1016/j.actbio.2019.04.059] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2019] [Revised: 04/25/2019] [Accepted: 04/29/2019] [Indexed: 12/24/2022]
Abstract
Previous research from our labs demonstrated the synthesis of polymerized simvastatin by ring-opening polymerization and slow degradation with controlled release of simvastatin in vitro. The objective of the present study was to evaluate the degradation and intramembranous bone-forming potential of simvastatin-containing polyprodrugs in vivo using a rat calvarial onlay model. Poly(ethylene glycol)-block-poly(simvastatin) and poly(ethylene glycol)-block-poly(simvastatin)-ran-poly(glycolide) were compared with simvastatin conventionally encapsulated in poly(lactic-co-glycolic acid) (PLGA) and pure PLGA. The rate of degradation was higher for PLGA with and without simvastatin relative to the simvastatin polyprodrugs. Significant new bone growth at the circumference of poly(ethylene glycol)-block-poly(simvastatin) disks was observed beginning at 4 weeks, whereas severe bone resorption (4 weeks) and bone loss (8 weeks) were observed for PLGA loaded with simvastatin. No significant systemic effects were observed for serum total cholesterol and body weight. Increased expression of osteogenic (BMP-2, Runx2, and ALP), angiogenic (VEGF), and inflammatory cytokines (IL-6 and NF-ĸB) genes was seen with all polymers at the end of 8 weeks. Poly(ethylene glycol)-block-poly(simvastatin), with slow degradation and drug release, controlled inflammation, and significant osteogenic effect, is a candidate for use in bone regeneration applications. STATEMENT OF SIGNIFICANCE: Traditional drug delivery systems, e.g., drug encapsulated in poly(lactic-co-glycolic acid) (PLGA), are typically passive and have limited drug payload. As an alternative, we polymerized the drug simvastatin, which has multiple physiological effects, into macromolecules ("polysimvastatin") via ring-opening polymerization. We previously demonstrated that the rate of degradation and drug (simvastatin) release can be adjusted by copolymerizing it with other monomers. The present results demonstrate significant new bone growth around polysimvastatin, whereas severe bone loss occurred for PLGA loaded with simvastatin. This degradable biomaterial with biofunctionality integrated into the polymeric backbone is a useful candidate for bone regeneration applications.
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43
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Thilanga Liyanage AD, Chen AJ, Puleo DA, Joseph Halcomb F. Vancomycin- and Poly(simvastatin)-Loaded Scaffolds with Time-Dependent Development of Porosity. ACS APPLIED BIO MATERIALS 2019; 2:2511-2519. [PMID: 33912813 DOI: 10.1021/acsabm.9b00207] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Biodegradable scaffolds are widely use in drug delivery and tissue engineering applications. The scaffolds can be modified to provide the necessary mechanical support for tissue formation and to deliver one or more drugs to stimulate tissue formation or for the treatment of a specific condition. In the current study, we developed biodegradable scaffolds that have the potential for dual drug delivery. The scaffolds consisted of simvastatin-containing prodrug, poly(simvastatin) entrapped in poly(β-amino ester) (PBAE) porogen particles and vancomycin encapsulated in poly(lactic-co-glycolic acid) (PLGA) microspheres, which were fused together around the PBAE porogens to create a slow-degrading matrix. Upon hydrolysis, poly(simvastatin) releases simvastatin acid, which has angiogenic and osteogenic properties, while the PLGA microspheres release vancomycin as an antibacterial agent. Degradation of PBAE porogens through hydrolysis of ester linkages led to the development of porosity in a controlled manner and led to water penetration that facilitated hydrolysis of PLGA. Higher porogen loading (~60% by weight) gave rise to ~70% interconnected porosity with pore spacing of ~180 μm. This open volume facilitated simvastatin acid release upon hydrolysis and entrapped vancomycin release via diffusion through and degradation of PLGA. During the study, ~162 μg of simvastatin acid and ~18 mg vancomycin were released from the highest porosity scaffolds. Bioactivity studies showed that released simvastatin acid stimulated preosteoblastic activity, indicating that scaffold fabrication did not damage the polymeric prodrug. Regarding mechanical properties, compressive modulus, failure strain, and failure stress decreased with increasing PBAE porogen content. These dual drug releasing scaffolds with controlled development of microarchitecture can be useful in bone tissue engineering applications.
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Affiliation(s)
- A D Thilanga Liyanage
- Department of Biomedical Engineering University of Kentucky Lexington, KY, 40506, USA
| | - Alexander J Chen
- Department of Biomedical Engineering University of Kentucky Lexington, KY, 40506, USA
| | - David A Puleo
- Department of Biomedical Engineering University of Kentucky Lexington, KY, 40506, USA
| | - F Joseph Halcomb
- Department of Biomedical Engineering University of Kentucky Lexington, KY, 40506, USA
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Khurana K, Guillem-Marti J, Soldera F, Mücklich F, Canal C, Ginebra MP. Injectable calcium phosphate foams for the delivery of Pitavastatin as osteogenic and angiogenic agent. J Biomed Mater Res B Appl Biomater 2019; 108:760-770. [PMID: 31187939 DOI: 10.1002/jbm.b.34430] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 05/22/2019] [Accepted: 05/26/2019] [Indexed: 12/20/2022]
Abstract
Apatitic bone cements have been used as a clinical bone substitutes and drug delivery vehicles for therapeutic agents in orthopedic applications. This has led to their combination with different drugs with known ability to foster bone formation. Recent studies have evaluated Simvastatin for its role in enhanced bone regeneration, but its lipophilicity hampers incorporation and release to and from the bone graft. In this study, injectable calcium phosphate foams (i-CPF) based on α-tricalcium phosphate were loaded for the first time with Pitavastatin. The stability of the drug in different conditions relevant to this study, the effect of the drug on the i-CPFs properties, the release profile, and the in vitro biological performance with regard to mineralization and vascularization were investigated. Pitavastatin did not cause any changes in neither the micro nor the macro structure of the i-CPFs, which retained their biomimetic features. PITA-loaded i-CPFs showed a dose-dependent drug release, with early stage release kinetics clearly affected by the evolving microstructure due to the setting of cement. in vitro studies showed dose-dependent enhancement of mineralization and vascularization. Our findings contribute towards the design of controlled release with low drug dosing bone grafts: i-CPFs loaded with PITA as osteogenic and angiogenic agent.
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Affiliation(s)
- Kanupriya Khurana
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Metallurgy, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain.,Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain.,Chair of Functional Materials, Department of Materials Science and Engineering, Saarland University, Germany
| | - Jordi Guillem-Marti
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Metallurgy, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain.,Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain
| | - Flavio Soldera
- Chair of Functional Materials, Department of Materials Science and Engineering, Saarland University, Germany
| | - Frank Mücklich
- Chair of Functional Materials, Department of Materials Science and Engineering, Saarland University, Germany
| | - Cristina Canal
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Metallurgy, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain.,Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain
| | - Maria-Pau Ginebra
- Biomaterials, Biomechanics and Tissue Engineering Group, Department of Materials Science and Metallurgy, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain.,Barcelona Research Center in Multiscale Science and Engineering, Universitat Politècnica de Catalunya (UPC), Barcelona, Spain.,Institute of Bioengineering of Catalonia (IBEC), Barcelona, Spain
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45
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Efficacy of Locally Administered 1.2% Rosuvastatin Gel in Patients with Periodontitis: A Randomized Placebo Controlled Clinical Trial. Eur J Dent 2019; 13:29-35. [PMID: 31170754 PMCID: PMC6635963 DOI: 10.1055/s-0039-1688522] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022] Open
Abstract
Objective
Periodontitis initiation and progression are a result of host immune inflammatory response to oral pathogens. Several pharmacological agents are being delivered locally, to improve periodontal health. Hence, the present randomized placebo controlled clinical trial is designed to check the clinical and antimicrobial efficacy of locally delivered 1.2% rosuvastatin (RSV) in intrabony defects (IBD) in periodontitis patients.
Materials and Methods
One-hundred patients were randomly allotted into two treatment groups: group A received 1. 2% RSV gel, scaling and root debridement and group B received placebo gel, scaling and root debridement. Clinical parameters, including modified sulcus bleeding index (mSBI), probing depth (PD), clinical attachment level (CAL), and plaque index (PI), were recorded at baseline before phase 1 and after 6 months. Radiographic assessment of IBD was done by cone beam computed tomography at baseline and after 6 months. Anaerobic colony count was done at baseline and after 180 days.
Results
On intragroup comparison, there is a significant improvement in periodontal parameters in both the groups. On intergroup comparison, there is significant gain in CAL in group A than group B (
p
= 0.04). There is significant decrease in PD in group A, compared to group B. There is significant bone fill in group A (
p
= 0.034), compared to group B. With respect to mSBI, PI, and anaerobic colony count, there is no significant difference between the two groups after 6 months. No adverse effect was noticed in any subjects.
Conclusion
The author concludes that 1.2% RSV gel when delivered locally into IBD improved periodontal clinical parameters such as PD and CAL and showed significant bone fill.
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A comparatively study of menaquinone-7 isolated from Cheonggukjang with vitamin K 1 and menaquinone-4 on osteoblastic cells differentiation and mineralization. Food Chem Toxicol 2019; 131:110540. [PMID: 31173816 DOI: 10.1016/j.fct.2019.05.048] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2019] [Revised: 05/13/2019] [Accepted: 05/27/2019] [Indexed: 12/25/2022]
Abstract
The effect of menaquinone-7 isolated from cheonggukjang was comparatively investigated with vitamin K1 and menaquinone-4 on cell differentiation and mineralization of the osteoblastic cell line MC3T3-E1. Results indicated that all vitamin K species significantly increased MC3T3-E1 cell proliferation, cellular alkaline phosphatase activity, osteocalcin synthesis, and calcium deposition in a dose-dependent manner. Menaquinone-4 and menaquinone-7 had more potent effects on calcium deposition than vitamin K1, and their effects were only partly reduced by warfarin (γ-carboxylation inhibitor) treatment, while warfarin abolished the induction activity of vitamin K1 on calcification. This suggests that vitamin K1 and K2 (menaquinone-4 & menaquinone-7) may have different mechanisms in stimulating osteoblast mineralization. In addition, the mRNA expression ratio of osteoprotegerin and the receptor activator of nuclear factor-kB ligand was also dramatically increased by treatment with vitamin K1 (62%), menaquinone-4 (247%), and menaquinone-7 (329%), suggesting that vitamin K may suppress the formation of osteoclast by up-regulating the ratio of osteoprotegerin/receptor activator of nuclear factor-kB ligand in osteoblasts. These results provide compelling evidence that vitamin K1, menaquinone-4, and menaquinone-7 all can promote bone health, which might be associated with elevations in the osteoprotegerin/receptor activator of nuclear factor-kB ligand ratio.
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47
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Sumida R, Maeda T, Kawahara I, Yusa J, Kato Y. Platelet-rich fibrin increases the osteoprotegerin/receptor activator of nuclear factor-κB ligand ratio in osteoblasts. Exp Ther Med 2019; 18:358-365. [PMID: 31258673 PMCID: PMC6566034 DOI: 10.3892/etm.2019.7560] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2019] [Accepted: 04/25/2019] [Indexed: 12/13/2022] Open
Abstract
Platelet-rich fibrin (PRF) is a platelet concentrate derived from complete autologous blood rich in growth factors in the fibrin matrix. Although PRF has been used during oral surgery to optimize wound healing in soft and hard tissue, the precise role of PRF in bone healing remains unclear. The present study assessed the role of PRF in bone remodeling. PRF was prepared from whole blood by low speed centrifugation without any anti-coagulants. Culture of MC3T3-E1 cells with PRF induced the expression of osteoprotegerin (OPG), but had no effect on the expression of receptor activator of nuclear factor-κB ligand (RANKL), increasing the OPG/RANKL ratio. Expression of other osteoblastic differentiation makers, including BMP-2 and −4 and RUNX2, was not affected. PRF filling of a hole defect in the mental foramen bone of rats increased OPG positivity and decreased tartrate-resistant acid phosphatase positivity compared with unfilled control. In conclusion, PRF increased the OPG/RANKL ratio by inducing OPG expression, suggesting that PRF enhances early stage osteogenesis by optimizing osteoblastic differentiation. The present study provides a scientific basis for clinical findings showing that PRF can enhance bone regeneration such as sinus lift.
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Affiliation(s)
- Ryuta Sumida
- Department of Oral and Maxillofacial Surgery, Ohu University School of Dentistry, Koriyama, Fukushima 963-8611, Japan
| | - Toyonobu Maeda
- Department of Oral Function and Molecular Biology, Ohu University School of Dentistry, Koriyama, Fukushima 963-8611, Japan
| | - Ichiro Kawahara
- Department of Oral and Maxillofacial Surgery, Ohu University School of Dentistry, Koriyama, Fukushima 963-8611, Japan
| | - Junko Yusa
- Department of Oral Medical Sciences, Ohu University School of Dentistry, Koriyama, Fukushima 963-8611, Japan
| | - Yasumasa Kato
- Department of Oral Function and Molecular Biology, Ohu University School of Dentistry, Koriyama, Fukushima 963-8611, Japan
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48
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Xue Y, Wu M, Liu Z, Song J, Luo S, Li H, Li Y, Jin L, Guan B, Lin M, Chen F, Jin C, Liu D, Li Y, Zhang X. In vitro and in vivo evaluation of chitosan scaffolds combined with simvastatin-loaded nanoparticles for guided bone regeneration. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2019; 30:47. [PMID: 30980130 DOI: 10.1007/s10856-019-6249-3] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Accepted: 04/03/2019] [Indexed: 06/09/2023]
Abstract
The objective of this study was to fabricate and characterize chitosan combined with different amounts of simvastatin-loaded nanoparticles and to investigate their potential for guided bone regeneration in vitro and in vivo. Different SIM-CSN formulations were combined into a chitosan scaffold (SIM-CSNs-S), and the morphology, simvastatin release profile, and effect on cell proliferation and differentiation were investigated. For in vivo experiments, ectopic osteogenesis and the critical-size cranial defect model in SD rats were chosen to evaluate bone regeneration potential. All three SIM-CSNs-S formulations had a porous structure and exhibited sustained simvastatin release. CSNs-S showed excellent degradation and biocompatibility characteristics. The 4 mg SIM-CSNs-S formulation stimulated higher BMSC ALP activity levels, demonstrated significantly earlier collagen enhancement, and led to faster bone regeneration than the other formulations. SIM-CSNs-S should have a significant effect on bone regeneration.
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Affiliation(s)
- Yan Xue
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, 300070, Tianjin, China
| | - Mingyao Wu
- LangFang Health Vocational College, South Siguang Road, 065001, Langfang, China
| | - Zongren Liu
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, 300070, Tianjin, China
- Department of Stomatology of Tianjin Medical University General Hospital, Binhai Hospital, No. 28, Hangu hospital road, Binhai new district, 300480, Tianjin, China
| | - Jinhua Song
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, 300070, Tianjin, China
| | - Shuyu Luo
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, 300070, Tianjin, China
| | - Hongjie Li
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, 300070, Tianjin, China
| | - Yuan Li
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, 300070, Tianjin, China
| | - Lichun Jin
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, 300070, Tianjin, China
| | - Binbin Guan
- Department of Stomatology of Tianjin Medical University General Hospital, No.154, FeiLong road, 300052, Tianjin, China
| | - Mingli Lin
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, 300070, Tianjin, China
| | - Fuyu Chen
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, 300070, Tianjin, China
| | - Chenxin Jin
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, 300070, Tianjin, China
| | - Deping Liu
- Department of Cardiology, Beijing Hospital, National Center of Gerontology, 100730, Beijing, China.
| | - Yanqiu Li
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, 300070, Tianjin, China.
| | - Xu Zhang
- School and Hospital of Stomatology, Tianjin Medical University, 12 Observatory Road, 300070, Tianjin, China.
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49
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Qi H, Heise S, Zhou J, Schuhladen K, Yang Y, Cui N, Dong R, Virtanen S, Chen Q, Boccaccini AR, Lu T. Electrophoretic Deposition of Bioadaptive Drug Delivery Coatings on Magnesium Alloy for Bone Repair. ACS APPLIED MATERIALS & INTERFACES 2019; 11:8625-8634. [PMID: 30715842 DOI: 10.1021/acsami.9b01227] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Biodegradable polymer coatings on magnesium alloys are attractive, as they can provide corrosion resistance as well as additional functions for biomedical applications, e.g., drug delivery. A gelatin nanospheres/chitosan (GNs/CTS) composite coating on WE43 substrate was fabricated by electrophoretic deposition with simvastatin (SIM) loaded into the GNs. Apart from a sustained drug release over 28 days, an anticorrosion behavior of the coated WE43 substrates was confirmed by electrochemical tests. Both the degradation and corrosion rates of the coated substrate were significantly minimized in contrast to bare WE43. The cytocompatibility of the coated samples was analyzed both quantitatively and qualitatively. Additionally, the osteogenic differentiation of MC3T3-E1 cells on SIM-containing coatings was assessed by measuring the expression of osteogenic genes and related proteins, alkaline phosphatase (ALP) activity, and extracellular matrix mineralization, showing that the SIM-loaded composite coating could upregulate the expression of osteogenic genes and related proteins, promote ALP activity, and enhance extracellular matrix mineralization. In summary, the SIM-loaded GNs/CTS composite coatings were able to enhance the corrosion resistance of the WE43 substrate and promote osteogenic activity, thus demonstrating a promising coating system for modifying the surface of magnesium alloys targeted for orthopedic applications.
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Affiliation(s)
| | - Svenja Heise
- Institute of Biomaterials, Department of Materials Science and Engineering , University of Erlangen-Nuremberg , Cauerstraße 6 , 91058 Erlangen , Germany
| | - Juncen Zhou
- Chair for Surface Science and Corrosion, Department of Materials Science and Engineering , University of Erlangen-Nuremberg , Martensstraße 5-7 , 91058 Erlangen , Germany
| | - Katharina Schuhladen
- Institute of Biomaterials, Department of Materials Science and Engineering , University of Erlangen-Nuremberg , Cauerstraße 6 , 91058 Erlangen , Germany
| | - Yuyun Yang
- Institute of Surface/Interface Science and Technology, Department of Material Science and Chemical Engineering , Harbin Engineering University , 145 Nantong Street , 150001 Harbin , China
| | | | | | - Sannakaisa Virtanen
- Chair for Surface Science and Corrosion, Department of Materials Science and Engineering , University of Erlangen-Nuremberg , Martensstraße 5-7 , 91058 Erlangen , Germany
| | | | - Aldo R Boccaccini
- Institute of Biomaterials, Department of Materials Science and Engineering , University of Erlangen-Nuremberg , Cauerstraße 6 , 91058 Erlangen , Germany
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50
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Encarnação IC, Sordi MB, Aragones Á, Müller CMO, Moreira AC, Fernandes CP, Ramos JV, Cordeiro MMR, Fredel MC, Magini RS. Release of simvastatin from scaffolds of poly(lactic‐co‐glycolic) acid and biphasic ceramic designed for bone tissue regeneration. J Biomed Mater Res B Appl Biomater 2019; 107:2152-2164. [DOI: 10.1002/jbm.b.34311] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 11/16/2018] [Accepted: 12/19/2018] [Indexed: 11/12/2022]
Affiliation(s)
- Isis C. Encarnação
- Center for Research on Dental Implants (CEPID), Department of DentistryFederal University of Santa Catarina Florianópolis Brazil
| | - Mariane B. Sordi
- Center for Research on Dental Implants (CEPID), Department of DentistryFederal University of Santa Catarina Florianópolis Brazil
| | - Águedo Aragones
- Center for Research on Dental Implants (CEPID), Department of DentistryFederal University of Santa Catarina Florianópolis Brazil
- Ceramic & Composite Materials Research Laboratories (CERMAT), Department of Mechanical EngineeringFederal University of Santa Catarina Florianópolis Brazil
| | | | - Anderson C. Moreira
- Laboratory of Porous Media and Thermophysical Properties (LMPT)Department of Mechanical Engineering, Federal University of Santa Catarina Florianópolis Brazil
| | - Celso P. Fernandes
- Laboratory of Porous Media and Thermophysical Properties (LMPT)Department of Mechanical Engineering, Federal University of Santa Catarina Florianópolis Brazil
| | - Jeferson V. Ramos
- Laboratory of Porous Media and Thermophysical Properties (LMPT)Department of Mechanical Engineering, Federal University of Santa Catarina Florianópolis Brazil
| | - Mabel M. R. Cordeiro
- Center for Research on Dental Implants (CEPID), Department of DentistryFederal University of Santa Catarina Florianópolis Brazil
| | - Márcio C. Fredel
- Ceramic & Composite Materials Research Laboratories (CERMAT), Department of Mechanical EngineeringFederal University of Santa Catarina Florianópolis Brazil
| | - Ricardo S. Magini
- Center for Research on Dental Implants (CEPID), Department of DentistryFederal University of Santa Catarina Florianópolis Brazil
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