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Cui Y, Wang F, Zhang D, Huang J, Yang Y, Xu J, Gao Y, Ding H, Qu Y, Zhang W, Liu W, Pan L, Zhang L, Liu Z, Niu T, Liu T, Zheng Y. Estrogen-Responsive Gene MAST4 Regulates Myeloma Bone Disease. J Bone Miner Res 2022; 37:711-723. [PMID: 35064934 DOI: 10.1002/jbmr.4507] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/23/2021] [Revised: 01/04/2022] [Accepted: 01/12/2022] [Indexed: 02/05/2023]
Abstract
Our previous data showed that young female multiple myeloma (MM) patients had a low frequency of osteolytic lesions. Based on this clinical observation, we found that estrogen cell signaling played a regulatory role in MM bone disease (MMBD), and the estrogen-responsive gene microtubule-associated serine/threonine kinase family member 4 (MAST4) was a critical factor. The presence of estrogen in cell cultures promoted MAST4 expression in MM cells, while knocking down estrogen receptor 1 (ESR1) inhibited MAST4 expression. Chromatin immunoprecipitation assay suggested a binding site of ESR1 on the MAST4 promoter. Bisphosphonates, such as zoledronic acid (ZOL), which was widely used in MMBD control, could stimulate MAST4 expression in MM cells by promoting ESR1 expression. MAST4 interacted with phosphatase and tensin homolog (PTEN), therefore regulating the PI3K-Akt-mTOR pathway and the expression of downstream cytokines, such as CCL2/3/4. MAST4 knockdown (MAST4-KD) or ESR1 knockdown (ESR1-KD) MM cells had repressed PTEN activity, elevated PI3K-Akt-mTOR activity, and increased CCL2/3/4 expressions. Coculture of MAST4-KD or ESR1-KD MM cells with pre-osteoclasts (pre-OCs) stimulated OC formation in vitro, whereas neutralizing antibodies of CCL2/3/4 attenuated such stimulation. In mouse models, mice inoculated with MAST4-KD or ESR1-KD MM cells had severer MMBD than control knockdown (CTR-KD). The correlations between MAST4 and ESR1 expressions in MMBD, as well as related cell signaling pathways, were confirmed in analyses using gene expression profiles (GEPs) of patients' MM cells. The negative correlation of MAST4 expression and occurrence of MMBD was further validated by patients' immunohistochemical tissue array. Overall, our data suggested that estrogen cell signaling negatively regulated MMBD through MAST4. © 2022 American Society for Bone and Mineral Research (ASBMR).
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Affiliation(s)
- Yushan Cui
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
| | - Fangfang Wang
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
| | - Danfeng Zhang
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
- Department of Hematology, The First Affiliated Hospital, Zhengzhou University, Zhengzhou, China
| | - Jingcao Huang
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
| | - Yan Yang
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
| | - Juan Xu
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
| | - Yuhan Gao
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
| | - Hong Ding
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
| | - Ying Qu
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
| | - Wenyan Zhang
- Department of Pathology, West China Hospital, Sichuan University, Chengdu, China
| | - Weiping Liu
- Department of Pathology, West China Hospital, Sichuan University, Chengdu, China
| | - Ling Pan
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
| | - Li Zhang
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
| | - Zhigang Liu
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
| | - Ting Niu
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
| | - Ting Liu
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
| | - Yuhuan Zheng
- Department of Hematology, West China Hospital/State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, China
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Ma W, Peltzer K, Qi L, Xu G, Liu Z, Wang J, Mao M, Chekhonin VP, Wang X, Zhang C. Female sex is associated with a lower risk of bone metastases and favourable prognosis in non-sex-specific cancers. BMC Cancer 2019; 19:1001. [PMID: 31653236 PMCID: PMC6815063 DOI: 10.1186/s12885-019-6168-1] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2019] [Accepted: 09/16/2019] [Indexed: 11/21/2022] Open
Abstract
Background The objectives were to investigate the disparity in the prevalence of bone metastases (BM) between the sexes and to assess the effect of female sex on the development and prognosis of BM. Methods Cases of invasive non-sex-specific cancers diagnosed between 2010 and 2015 in the Surveillance, Epidemiology, and End Results (SEER) program were used. The prevalence of BM was calculated by combining the prevalence of BM among different cancers. Multivariable logistic regression and proportion hazard regression were conducted to investigate the effect of female sex, and the results were pooled by meta-analysis. Results The pooled prevalence of BM among male and female patients was 2.3% (95% CI: 1.6–3.2%) and 1.8% (95% CI: 1.2–2.6%), respectively. The pooled prevalence of BM dramatically decreased for patients aged 11–40 years old, plateaued for patients aged 41–90 years old and increased for patients aged > 90 years old in both male and female patients. Meta-analysis suggested that female sex had a protective effect on the development of BM (pooled OR = 0.80; 95% CI: 0.75–0.84; p < .001) and a favourable prognosis for respiratory system cancers (pooled HR = 0.81; 95% CI: 0.71–0.92; p < .001). However, no significant associations existed for other cancers. Male non-sex-specific cancer patients and those with male-leaning genetic variations or hormonal status have a greater likelihood of developing BM than female patients. Conclusions Female sex was associated with fewer BM in various non-sex-specific cancers, and the effect was constant with changes in age. Female sex showed a protective effect exclusively on the prognosis of respiratory system cancers.
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Affiliation(s)
- Wenjuan Ma
- Department of Breast Imaging, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Karl Peltzer
- Department of Research & Innovation, University of Limpopo, Turfloop, Mankweng, South Africa
| | - Lisha Qi
- Department of Pathology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Guijun Xu
- Department of Bone and Soft Tissue Tumors, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Huanhu Xi Road, Tianjin, 300060, China
| | - Zheng Liu
- Department of Bone and Soft Tissue Tumors, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Huanhu Xi Road, Tianjin, 300060, China
| | - Jingyi Wang
- Department of Pathology, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Tianjin, China
| | - Min Mao
- Department of Pathology and Southwest Cancer Center, First Affiliated Hospital, Army Medical University, Chongqing, 400038, China
| | - Vladimir P Chekhonin
- Department of Fundamental and Applied Neurobiology, V. P. Serbsky National Medical Research Center for Psychiatry and Narcology, the Ministry of Health of the Russian Federation, Moscow, Russia
| | - Xin Wang
- Department of Epidemiology and Biostatistics, First Affiliated Hospital, Army Medical University, 30 Gaotanyan Street, Shapingba District, 400038, China.
| | - Chao Zhang
- Department of Bone and Soft Tissue Tumors, Tianjin Medical University Cancer Institute and Hospital, National Clinical Research Center for Cancer, Key Laboratory of Cancer Prevention and Therapy, Tianjin's Clinical Research Center for Cancer, Huanhu Xi Road, Tianjin, 300060, China.
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The effect of compressive force combined with mechanical vibration on human alveolar bone osteoblasts. J Oral Biol Craniofac Res 2018; 9:81-85. [PMID: 30997326 DOI: 10.1016/j.jobcr.2018.10.003] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2018] [Accepted: 10/15/2018] [Indexed: 12/23/2022] Open
Abstract
Objective This study aimed to investigate the effects of compressive force combined with mechanical vibration on the expression of pro-inflammatory cytokines that promote osteoclastogenesis and related to orthodontic tooth movement acceleration in human alveolar bone osteoblasts in vitro. Methods Osteoblasts were subjected to compressive force (C), mechanical vibration (V), compressive force combined with mechanical vibration (CV), or no force as a control for 12, 24 and 48 h. Interleukin-1 beta (IL-1β), interleukin-6 (IL-6), receptor activator of nuclear factor kappa-Β ligand (RANKL) and osteoprotegerin (OPG) mRNA and protein expression were assessed using quantitative real-time polymerase chain reaction and enzyme-linked immunosorbent assays. Results In C and CV groups, IL-1β and IL-6 mRNA and protein expression were significantly higher and OPG mRNA and protein expression were significantly lower than control and V groups. However, the expressions were not different between C and CV groups. RANKL mRNA and protein expression were not different between any groups. While, OPG mRNA and protein expression in V group were significantly higher than control group. Conclusions Vibration neither enhanced nor inhibited the expression of IL-1β, IL-6, RANKL and OPG in compressed human alveolar bone osteoblasts.
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Pitari MR, Rossi M, Amodio N, Botta C, Morelli E, Federico C, Gullà A, Caracciolo D, Di Martino MT, Arbitrio M, Giordano A, Tagliaferri P, Tassone P. Inhibition of miR-21 restores RANKL/OPG ratio in multiple myeloma-derived bone marrow stromal cells and impairs the resorbing activity of mature osteoclasts. Oncotarget 2016; 6:27343-58. [PMID: 26160841 PMCID: PMC4694994 DOI: 10.18632/oncotarget.4398] [Citation(s) in RCA: 80] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2015] [Accepted: 06/11/2015] [Indexed: 12/11/2022] Open
Abstract
miR-21 is an oncogenic microRNA (miRNA) with an emerging role as therapeutic target in human malignancies, including multiple myeloma (MM). Here we investigated whether miR-21 is involved in MM-related bone disease (BD). We found that miR-21 expression is dramatically enhanced, while osteoprotegerin (OPG) is strongly reduced, in bone marrow stromal cells (BMSCs) adherent to MM cells. On this basis, we validated the 3′UTR of OPG mRNA as miR-21 target. Constitutive miR-21 inhibition in lentiviral-transduced BMSCs adherent to MM cells restored OPG expression and secretion. Interestingly, miR-21 inhibition reduced RANKL production by BMSCs. Overexpression of protein inhibitor of activated STAT3 (PIAS3), which is a direct and validated target of miR-21, antagonized STAT3-mediated RANKL gene activation. Finally, we demonstrate that constitutive expression of miR-21 inhibitors in BMSCs restores RANKL/OPG balance and dramatically impairs the resorbing activity of mature osteoclasts. Taken together, our data provide proof-of-concept that miR-21 overexpression within MM-microenviroment plays a crucial role in bone resorption/apposition balance, supporting the design of innovative miR-21 inhibition-based strategies for MM-related BD.
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Affiliation(s)
- Maria Rita Pitari
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Marco Rossi
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Nicola Amodio
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Cirino Botta
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Eugenio Morelli
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Cinzia Federico
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Annamaria Gullà
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Daniele Caracciolo
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Maria Teresa Di Martino
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | | | - Antonio Giordano
- Department of Human Pathology and Oncology, University of Siena, Siena, Italy.,Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA, USA
| | - Pierosandro Tagliaferri
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy
| | - Pierfrancesco Tassone
- Department of Experimental and Clinical Medicine and T. Campanella Cancer Center, Magna Graecia University, S. Venuta University Campus, Catanzaro, Italy.,Sbarro Institute for Cancer Research and Molecular Medicine, Center for Biotechnology, College of Science and Technology, Temple University, Philadelphia, PA, USA
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Ju Y, Ge J, Ren X, Zhu X, Xue Z, Feng Y, Zhao S. Cav1.2 of L-type Calcium Channel Is a Key Factor for the Differentiation of Dental Pulp Stem Cells. J Endod 2015; 41:1048-55. [PMID: 25703215 DOI: 10.1016/j.joen.2015.01.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2014] [Revised: 12/19/2014] [Accepted: 01/08/2015] [Indexed: 01/09/2023]
Abstract
INTRODUCTION L-type calcium channel (LTCC) is a unique and important factor in several cell lineages, whereas its role in the differentiation of dental pulp stem cells (DPSCs) is not well-known. In this study, we examined the function of LTCC α1C subunit (Cav1.2) and its distal C-terminus (DCT) during the in vitro differentiation of rat DPSCs (rDPSCs). METHODS After fluorescence-activated cell sorting, rDPSCs were differentiated toward dentin sialophosphoprotein-positive odontoblasts and neural cells expressing specific neuronal markers. The inhibition of rDPSC differentiation via LTCC blocker nimodipine and Cav1.2 knockdown through short hairpin RNA was evaluated by using quantitative real-time polymerase chain reaction, Western blot, and immunofluorescence staining. RESULTS Nimodipine treatment and Cav1.2 knockdown generated similar results. The number of positive calcium nodules and the protein and mRNA levels of dentin sialophosphoprotein were significantly reduced during odontogenic differentiation. The levels of microtubule-associated protein-2 and β-III-tubulin were reduced in neural differentiation. The expression of DCT decreased after odontogenic differentiation but significantly increased after neural differentiation (P < .05, n = 9). CONCLUSIONS Our data showed that LTCC blocker nimodipine inhibits the odontogenic and neural differentiation of rDPSCs, and Cav1.2 is responsible for the activity of LTCC. The expression of DCT of Cav1.2 significantly changes during both odontogenic and neural differentiation. Thus, Cav1.2 of LTCC plays an essential role in differentiation of DPSCs, which might be mediated through the regulation of DCT levels in DPSCs.
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Affiliation(s)
- Yanqin Ju
- Department of Conservative Dentistry, Laboratory of Oral Biomedical Science and Translational Medicine, School of Stomatology, Tongji University, Shanghai, People's Republic of China
| | - Jianping Ge
- Department of Conservative Dentistry, Laboratory of Oral Biomedical Science and Translational Medicine, School of Stomatology, Tongji University, Shanghai, People's Republic of China
| | - Xudong Ren
- Department of Regenerative Medicine, Shanghai Tenth People's Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Xianmin Zhu
- Department of Regenerative Medicine, Translational Stem Cell Research Center, Tongji Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Zhigang Xue
- Department of Regenerative Medicine, Translational Stem Cell Research Center, Tongji Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Yun Feng
- Department of Regenerative Medicine, Translational Stem Cell Research Center, Tongji Hospital, Tongji University School of Medicine, Shanghai, People's Republic of China
| | - Shouliang Zhao
- Department of Conservative Dentistry, Laboratory of Oral Biomedical Science and Translational Medicine, School of Stomatology, Tongji University, Shanghai, People's Republic of China; Department of Stomatology, Huashan Hospital, Shanghai Medical College, Fudan University, Shanghai, People's Republic of China.
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Osteoprotegerin in pregnant adolescents differs by race and is related to infant birth weight z-score. J Dev Orig Health Dis 2014; 2:272-9. [PMID: 25141264 DOI: 10.1017/s2040174411000511] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Osteoprotegerin (OPG) is involved in the regulation of bone turnover, but little is known about this protein during pregnancy or among neonates. We undertook a prospective longitudinal study to identify relationships between OPG, markers of bone turnover and birth outcomes in 155 pregnant adolescents (13-18 years) and their newborns. Maternal blood samples were collected at mid-gestation and at delivery. Cord blood was obtained at delivery. Serum OPG, estradiol and markers of bone formation (osteocalcin) and resorption (N-telopeptide) were assessed in all samples. Placental OPG expression was assessed in placental tissue obtained at delivery. Bone markers and OPG increased significantly from mid-gestation (26.0 ± 3.4 weeks) to delivery (39.3 ± 2.6 weeks). Neonatal OPG was significantly lower, but bone turnover markers were significantly higher than maternal values at mid-gestation and at parturition (P < 0.001). African-American adolescents had higher concentrations of OPG than Caucasian adolescents at mid-gestation (P = 0.01) and delivery (P = 0.04). Gestational age and estradiol were also predictors of maternal OPG at mid-gestation and delivery. OPG concentrations in cord blood were correlated with maternal OPG concentrations and were negatively associated with infant birth weight z-score (P = 0.02) and ponderal index (P = 0.02). In conclusion, maternal OPG concentrations increased across gestation and were significantly higher than neonatal OPG concentrations. Maternal and neonatal OPG concentrations were not associated with markers of bone turnover or placental OPG expression, but neonatal OPG was inversely associated with neonatal anthropometric measures. Additional research is needed to identify roles of OPG during pregnancy.
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Abstract
Skeletal lesions are a frequent complication of breast and prostate cancer and a hallmark of multiple myeloma. Endocrine and paracrine factors modulate various aspects of bone metastases, including tumour proliferation, skeletal susceptibility to tumour homing, the microenvironment needed to support tumour persistence, and the initiation of a vicious cycle between tumour and bone-resident cells that further promotes tumour growth. Endocrine changes, such as oestrogen or vitamin D deficiency, contribute to a fertile bone microenvironment that might promote bone metastases. Bone health could be impaired further by existing cancer treatments, especially sex hormone deprivation. In this Review, we discuss the effect of hormones and associated local factors on cross-talk between bone metabolism and tumour biology. We review the biology of osteolytic and osteosclerotic lesions, with a focus on endocrine aspects, and outline potential therapeutic targets. We also summarise endocrine aspects of the pathogenesis and clinical presentation of bone metastases and provide an update on existing and future treatments.
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Affiliation(s)
- Lorenz C Hofbauer
- Division of Endocrinology and Metabolic Bone Diseases, Department of Medicine III, TU Dresden, Dresden, Germany; Centre for Regenerative Therapies Dresden, TU Dresden, Dresden, Germany.
| | - Tilman D Rachner
- Division of Endocrinology and Metabolic Bone Diseases, Department of Medicine III, TU Dresden, Dresden, Germany
| | - Robert E Coleman
- Sheffield Cancer Research Centre, Weston Park Hospital, Sheffield, UK
| | - Franz Jakob
- Orthopaedic Center for Musculoskeletal Research, Wuerzburg, Germany
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The Development of Biomimetic Spherical Hydroxyapatite/Polyamide 66 Biocomposites as Bone Repair Materials. INT J POLYM SCI 2014. [DOI: 10.1155/2014/579252] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
A novel biomedical material composed of spherical hydroxyapatite (s-HA) and polyamide 66 (PA) biocomposite (s-HA/PA) was prepared, and its composition, mechanical properties, and cytocompatibility were characterized and evaluated. The results showed that HA distributed uniformly in the s-HA/PA matrix. Strong molecule interactions and chemical bonds were presented between the s-HA and PA in the composites confirmed by IR and XRD. The composite had excellent compressive strength in the range between 95 and 132 MPa, close to that of natural bone.In vitroexperiments showed the s-HA/PA composite could improve cell growth, proliferation, and differentiation. Therefore, the developed s-HA/PA composites in this study might be used for tissue engineering and bone repair.
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Li X, Huang Y, Zheng L, Liu H, Niu X, Huang J, Zhao F, Fan Y. Effect of substrate stiffness on the functions of rat bone marrow and adipose tissue derived mesenchymal stem cells in vitro. J Biomed Mater Res A 2013; 102:1092-101. [DOI: 10.1002/jbm.a.34774] [Citation(s) in RCA: 85] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2013] [Revised: 04/19/2013] [Accepted: 04/23/2013] [Indexed: 11/12/2022]
Affiliation(s)
- Xiaoming Li
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering; Beihang University; Beijing China
| | - Yan Huang
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering; Beihang University; Beijing China
| | - Lisha Zheng
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering; Beihang University; Beijing China
| | - Haifeng Liu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering; Beihang University; Beijing China
| | - Xufeng Niu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering; Beihang University; Beijing China
| | - Jin Huang
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering; Beihang University; Beijing China
| | - Feng Zhao
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering; Beihang University; Beijing China
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering; Beihang University; Beijing China
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Tripuwabhrut P, Mustafa M, Gjerde CG, Brudvik P, Mustafa K. Effect of compressive force on human osteoblast-like cells and bone remodelling: an in vitro study. Arch Oral Biol 2013; 58:826-36. [PMID: 23583016 DOI: 10.1016/j.archoralbio.2013.01.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2012] [Revised: 12/11/2012] [Accepted: 01/08/2013] [Indexed: 02/05/2023]
Abstract
OBJECTIVE The aim of this study was to determine the effect of continuous compressive force (CF) on expression by human alveolar bone-derived osteoblasts (HOBs) of some specific molecules involved in bone remodelling. DESIGN HOBs were cultured with or without CF (control, 2.0, 4.0gcm(-2)) for 1, 3 and 7 days. Expression of alkaline phosphatase (ALP), type I collagen (Col I), osteopontin (OPN), osteocalcin (OCN), transcription factor Runx2, receptor activator of nuclear factor κB ligand (RANKL), osteoprotegerin (OPG) and prostaglandin E2 (PGE2) was analysed by real-time-polymerase chain reaction (RT-PCR), enzyme-linked immunosorbent assay (ELISA) and/or immunostaining. RESULTS The results revealed that CF upregulated ALP and Col I expression at both messenger RNA (mRNA) and protein levels but did not affect expression of OPN and OCN mRNA. Runx2 mRNA was inhibited by CF, which also altered the expression of molecules involved in osteoclastogenesis, by enhancing RANKL expression and suppressing OPG expression. At 4.0gcm(-2) of CF, the expression of RANKL and PGE2 was significantly upregulated. CONCLUSION The results suggest that initial application of CF on HOBs can simultaneously affect expression of markers related to both osteogenesis and osteoclastogenesis.
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Affiliation(s)
- Polbhat Tripuwabhrut
- Department of Clinical Dentistry - Centre for Clinical Dental Research, Faculty of Medicine and Dentistry, University of Bergen, PO Box 7804, N-5020 Bergen, Norway.
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The use of carbon nanotubes to induce osteogenic differentiation of human adipose-derived MSCs in vitro and ectopic bone formation in vivo. Biomaterials 2012; 33:4818-27. [PMID: 22483242 DOI: 10.1016/j.biomaterials.2012.03.045] [Citation(s) in RCA: 190] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2012] [Accepted: 03/13/2012] [Indexed: 12/13/2022]
Abstract
Carbon nanotubes (CNTs), one of the most concerned nanomaterials, with unique electrical, mechanical and surface properties, have been shown suitable for biomedical application. In this study, we evaluated attachment, proliferation, osteogenic gene expression, ALP/DNA, protein/DNA and mineralization of human adipose-derived stem cells cultured in vitro on multi-walled carbon nanotubes (MWNTs) and graphite (GP) compacts with the same dimension. Moreover, we assessed the effect of these two kinds of compacts on ectopic bone formation in vivo. First of all, higher ability of the MWNTs compacts to adsorb proteins, comparing with the GP compacts, was shown. During the conventional culture, it was shown that MWNTs could induce the expression of ALP, cbfa1 and COLIA1 genes while GP could not. Furthermore, alkaline phosphatase (ALP)/DNA and protein/DNA of the cell on the MWNTs compacts, was significantly higher than those of the cells on the GP compacts. With the adsorption of the proteins in culture medium with 50% fetal bovine serum (FBS) in advance, the increments of the ALP/DNA and protein/DNA for the MWNTs compacts were found respectively significantly more than the increments of those for the GP compacts, suggesting that the larger amount of protein adsorbed on the MWNTs was crucial. More results showed that ALP/DNA and protein/DNA of the cells on the two kinds of compacts pre-soaked in culture medium having additional rhBMP-2 were both higher than those of the cells on the samples re-soaked in culture medium with 50% FBS, and that those values for the MWNTs compacts increased much more. Larger mineral content was found on the MWNTs compacts than on the GP compacts at day 7. In vivo experiment showed that the MWNTs could induce ectopic bone formation in the dorsal musculature of ddy mice while GP could not. The results indicated that MWNTs might stimulate inducible cells in soft tissues to form inductive bone by concentrating more proteins, including bone-inducing proteins.
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Ren G, Wang K, Chang R, Su Y, Wang J, Su J, Han B. Simultaneous administration of fluoride and selenite regulates proliferation and apoptosis in murine osteoblast-like MC3T3-E1 cells by altering osteoprotegerin. Biol Trace Elem Res 2011; 144:1437-48. [PMID: 21739163 DOI: 10.1007/s12011-011-9130-x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/19/2011] [Accepted: 06/24/2011] [Indexed: 10/18/2022]
Abstract
The receptor activator nuclear factor kappa-B ligand (RANKL) and its decoy receptor, osteoprotegerin (OPG), are important for maintaining the balance between bone formation and resorption. However, the regulation of microelements on these factors remains unclear. In this study, we used murine osteoblast-like MC3T3-E1 cells to examine the impact of sodium fluoride (NaF) and/or sodium selenite (Na2SeO3) on the OPG/RANKL system. MC3T3-E1 cells were treated with OPG or RANKL siRNA (or left untreated), and subsequently divided into a control group and five experimental groups, which were exposed to different concentrations of NaF and/or Na2SeO3, and subsequently analysed at 24 h. In particular, we examined cell viability, OPG and RANKL mRNA and protein expression, caspase-3 activity, and the cell cycle of the various cell groups. In summary, our findings suggest that the administration of NaF and/or Na2SeO3 affects the expression of OPG in osteoblast-like MC3T3-E1 cells, thereby contributing to the proliferation and apoptosis induced by the OPG.
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Affiliation(s)
- Gaixian Ren
- College of Veterinary Medicine, China Agricultural University, Yuan Ming Yuan West Road No. 2, Haidian District, Beijing, 100193, China
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Hu Y, Cai K, Luo Z, Jandt KD. Layer-by-layer assembly of β-estradiol loaded mesoporous silica nanoparticles on titanium substrates and its implication for bone homeostasis. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2010; 22:4146-4150. [PMID: 20717987 DOI: 10.1002/adma.201000854] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Abstract
Drug-loadingmesoporous silica nanoparticles that serve as a nanoreservoir-type drug-delivery system are successfully attached to titanium substrates via the layer-by-layer assembly technique (see scheme). The obtained structure demonstrates great potential for regulating the biological behaviors of osteoblasts/ steoclasts in order to maintain bone homeostasis. The approach we present here may have wide applications in implant technology, tissue engineering, and regenerative medicine.
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Affiliation(s)
- Yan Hu
- Chongqing University, China
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