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Liu D, Wang L, Hu Z, Ma Z, Yang Q. Association Between SPARC Polymorphisms and Ankylosing Spondylitis and Its mRNA and Protein Expression in a Chinese Han Population: A Case-Control Study. Int J Gen Med 2023; 16:3533-3542. [PMID: 37605781 PMCID: PMC10440112 DOI: 10.2147/ijgm.s419094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2023] [Accepted: 08/05/2023] [Indexed: 08/23/2023] Open
Abstract
Objective We explore the association of polymorphisms in Secreted protein acidic and rich in cysteine (SPARC) with ankylosing spondylitis (AS) and detect SPARC mRNA and protein expression in a Chinese Han population. Methods Nine single-nucleotide polymorphisms (SNPs) of SPARC were genotyped in 768 AS patients and 768 controls by TaqMan genotyping assay. mRNA expression of SPARC was detected by real-time polymerase chain reaction (RT-PCR), and serum level of SPARC protein was detected by ELISA. Results The frequency of A allele of rs171121187 was significantly higher in AS patients than in controls (Pc=0.003, odds ratio [OR]=1.45, 95% confidence interval [95% CI] = 1.18-1.77), the AA and AC genotypes increased the risk of AS when compared with CC genotype (Pc=0.003, OR=3.96, 95% CI=1.80-8.75, and Pc=0.003, OR=1.27, 95% CI=1.01-1.61, respectively). The frequency of G allele of rs4958487 was significantly lower in AS than in controls (Pc=0.001, OR=0.60, 95% CI=0.47-0.68), the GG and GA genotypes reduced the risk of AS when compared with AA genotype (Pc=0.005, OR=0.46, 95% CI 0.18-1.14, and Pc=0.005, OR=0.60, 95% CI=0.45-0.79, respectively). The haplotype AA of rs17112187/rs4958487 significantly increased the risk of AS (P=2.31E-5, OR=1.60, 95% CI=1.28-1.98), while haplotype CG decreased the risk of AS (P=5.42E-5, OR=0.55, 95% CI=0.41-0.74). Expression levels of SPARC mRNA were significantly lower in both Peripheral blood mononuclear cells (PBMC) and granulocytes in AS patients than in controls (P=0.008 and P=0.005, respectively). SPARC protein levels were also reduced in AS patients versus the controls (P=0.002). Conclusion This study indicates that polymorphisms in SPARC are associated with AS susceptibility, and both mRNA and protein levels of SPARC are decreased in AS patients in a Chinese Han population.
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Affiliation(s)
- Dongxia Liu
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, People’s Republic of China
| | - Liya Wang
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, People’s Republic of China
- Department of Rheumatology and Immunology, Heze Medical College, Heze, 274000, People’s Republic of China
| | - Zhongdan Hu
- Tianjin Zhonghe Clinic Co. Ltd. of Heping District, Tianjin, 300450, People’s Republic of China
| | - Zhenzhen Ma
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, People’s Republic of China
| | - Qingrui Yang
- Department of Rheumatology and Immunology, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, 250021, People’s Republic of China
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Ødegaard KS, Westhrin M, Afif AB, Ma Q, Mela P, Standal T, Elverum CW, Torgersen J. The effects of surface treatments on electron beam melted Ti-6Al-4V disks on osteogenesis of human mesenchymal stromal cells. BIOMATERIALS ADVANCES 2023; 147:213327. [PMID: 36841111 DOI: 10.1016/j.bioadv.2023.213327] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/11/2022] [Revised: 01/18/2023] [Accepted: 01/31/2023] [Indexed: 02/12/2023]
Abstract
Additive manufactured (AM) Titanium-6Aluminum-4Vanadium (Ti64) scaffolds display unique mechanical and biological properties for implant devices. The elastic modulus can be tailored by adjusting the porosity, further facilitating bone ingrowth. Although Ti64 implants are biocompatible, the effects of AM surfaces without porous structures, and how the topography and surface chemistry of the respective surfaces affect the osteogenesis of bone marrow-derived mesenchymal stromal cells (BMSCs) has not yet been revealed. In this paper, we cultured BMSCs on solid electron beam melted Ti64 disks subjected to three surface treatments: chemical etching (HF), atomic-layer deposition of TiO2 (TiO2), and polished (POL), or left untreated (AB). The biocompatibility and osteogenic properties of these surfaces were investigated, and the results were compared to cells cultured in regular tissue-culture polystyrene culturing wells (TCPS). The surfaces were hydrophobic, except for the polished surface which was hydrophilic. All surface treatments are biocompatible and allow for osteogenic differentiation, as revealed by viability assays and gene expression analysis. Scanning electron microscopy shows that cells adhere differently depending on the surface properties, with more filopodia on the rougher surfaces, AB and TiO2 disks, and more lamellipodia on the smoother surfaces, HF and POL disks. All groups stimulated with beta glycerophosphate, ascorbic acid, and dexamethasone, have elevated expression of genes related to matrix formation, where the cells cultured on the disks treated with TiO2, HF and POL have the overall highest expression. The AB group appears to be less favorable in regards to matrix formation. Considering the matrix mineralization, the rougher surfaces, AB and TiO2, are able to induce matrix mineralization, with an elevated gene expression of vitamin D receptors and calcium deposition of unstimulated cells. Finally, imaging at day 21 revealed an even amount of cells and matrix, covering most of the partially melted particles. Our results suggests that surface topography is more important to osteogenesis than the wettability of the surface. Overall, the present study contributes to the understanding of using surface modifications to AM Ti64 implant materials and reveals how they affect bone growth.
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Affiliation(s)
- Kristin S Ødegaard
- Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology, Trondheim, Norway
| | - Marita Westhrin
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - Abdulla Bin Afif
- Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology, Trondheim, Norway
| | - Qianli Ma
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - Petra Mela
- Chair of Medical Materials and Implants, Department of Mechanical Engineering, TUM School of Engineering and Design, Munich Institute for Biomedical Engineering, Technical University of Munich, Boltzmannstrasse 15, 85748 Garching bei München, Germany
| | - Therese Standal
- Department of Clinical and Molecular Medicine, Norwegian University of Science and Technology, Trondheim, Norway
| | - Christer W Elverum
- Department of Mechanical and Industrial Engineering, Norwegian University of Science and Technology, Trondheim, Norway
| | - Jan Torgersen
- Chair of Materials Science, Department of Materials Engineering, TUM School of Engineering and Design, Technical University of Munich, Boltzmannstrasse 15, 85748 Garching bei München, Germany.
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Contact Guidance Mediated by Hybrid Thread Topography Enhances Osseointegration of As-machined Ti6Al4V Dental Implant. REGENERATIVE ENGINEERING AND TRANSLATIONAL MEDICINE 2023. [DOI: 10.1007/s40883-023-00293-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/19/2023]
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Słota D, Piętak K, Jampilek J, Sobczak-Kupiec A. Polymeric and Composite Carriers of Protein and Non-Protein Biomolecules for Application in Bone Tissue Engineering. MATERIALS (BASEL, SWITZERLAND) 2023; 16:2235. [PMID: 36984115 PMCID: PMC10059071 DOI: 10.3390/ma16062235] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Revised: 03/02/2023] [Accepted: 03/08/2023] [Indexed: 06/18/2023]
Abstract
Conventional intake of drugs and active substances is most often based on oral intake of an appropriate dose to achieve the desired effect in the affected area or source of pain. In this case, controlling their distribution in the body is difficult, as the substance also reaches other tissues. This phenomenon results in the occurrence of side effects and the need to increase the concentration of the therapeutic substance to ensure it has the desired effect. The scientific field of tissue engineering proposes a solution to this problem, which creates the possibility of designing intelligent systems for delivering active substances precisely to the site of disease conversion. The following review discusses significant current research strategies as well as examples of polymeric and composite carriers for protein and non-protein biomolecules designed for bone tissue regeneration.
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Affiliation(s)
- Dagmara Słota
- Department of Materials Science, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland
| | - Karina Piętak
- Department of Materials Science, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland
| | - Josef Jampilek
- Department of Analytical Chemistry, Faculty of Natural Sciences, Comenius University, Ilkovicova 6, 842 15 Bratislava, Slovakia
- Department of Chemical Biology, Faculty of Science, Palacky University Olomouc, Slechtitelu 27, 783 71 Olomouc, Czech Republic
| | - Agnieszka Sobczak-Kupiec
- Department of Materials Science, Faculty of Materials Engineering and Physics, Cracow University of Technology, 37 Jana Pawła II Av., 31-864 Krakow, Poland
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Li W, Zheng J, Xu Y, Niu W, Guo D, Cui J, Bian W, Wang X, Niu J. Remodeling of the periodontal ligament and alveolar bone during axial tooth movement in mice with type 1 diabetes. Front Endocrinol (Lausanne) 2023; 14:1098702. [PMID: 36755916 PMCID: PMC9900130 DOI: 10.3389/fendo.2023.1098702] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Accepted: 01/09/2023] [Indexed: 01/24/2023] Open
Abstract
OBJECTIVES To observe the elongation of the axial tooth movement in the unopposed rodent molar model with type 1 diabetes mellitus and explore the pathological changes of periodontal ligament and alveolar bone, and their correlation with tooth axial movement. METHODS The 80 C57BL/6J mice were randomly divided into the streptozotocin(STZ)-injected group (n = 50) and the control group (n = 30). Mice in the streptozotocin(STZ)-injected group were injected intraperitoneal with streptozotocin (STZ), and mice in the control group were given intraperitoneal injection of equal doses of sodium citrate buffer. Thirty mice were randomly selected from the successful models as the T1DM group. The right maxillary molar teeth of mice were extracted under anesthesia, and allowed mandibular molars to super-erupt. Mice were sacrificed at 0, 3, 6,9, and 12 days. Tooth elongation and bone mineral density (BMD) were evaluated by micro-CT analysis(0,and 12 days mice). Conventional HE staining, Masson staining and TRAP staining were used to observe the changes in periodontal tissue(0, 3, 6, 9, and 12 days mice). The expression differences of SPARC, FGF9, BMP4, NOGGIN, and type I collagen were analyzed by RT-qPCR. RESULTS After 12 days of tooth extraction, our data showed significant super-eruption of mandibular mouse molars of the two groups. The amount of molar super-eruption in the T1DM group was 0.055mm( ± 0.014mm), and in the control group was 0.157( ± 0.017mm). The elongation of the T1DM mice was less than that of the control mice(P<0.001). It was observed that the osteoclasts and BMD increased gradually in both groups over time. Compared with the control group, the collagen arrangement was more disordered, the number of osteoclasts was higher (P<0.05), and the increase of bone mineral density was lower(2.180 ± 0.007g/cm3 vs. 2.204 ± 0.006g/cm3, P<0.001) in the T1DM group. The relative expression of SPARC, FGF9, BMP4, and type I collagen in the two groups increased with the extension of tooth extraction time while NOGGIN decreased. The relative expression of all of SPARC, FGF9, BMP4, and type I collagen in the T1DM group were significantly lower, and the expression of NOGGIN was higher than that in the control group (P<0.05). CONCLUSION The axial tooth movement was inhibited in type 1 diabetic mice. The result may be associated with the changes of periodontal ligament osteoclastogenic effects and alveolar bone remodeling regulated by the extracellular matrix and osteogenesis-related factors.
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Affiliation(s)
- Wenjin Li
- Department of Stomatology, 2nd Hospital, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Jing Zheng
- School of Basic Medicine, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Yao Xu
- Stomatological Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Weiran Niu
- Department of Mental Health, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Dong Guo
- Stomatological Hospital of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Jianing Cui
- Medical Imaging Department of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Wenjin Bian
- Medical Imaging Department of Shanxi Medical University, Taiyuan, Shanxi, China
| | - Xiaohui Wang
- School of Basic Medicine, Shanxi Medical University, Taiyuan, Shanxi, China
| | - Jinliang Niu
- Department of Radiology, 2nd Hospital, Shanxi Medical University, Taiyuan, Shanxi, China
- *Correspondence: Jinliang Niu,
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Tiedemann K, Tsao S, Komarova SV. Platelets and osteoblasts: secretome connections. Am J Physiol Cell Physiol 2022; 323:C347-C353. [PMID: 35675640 DOI: 10.1152/ajpcell.00187.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Megakaryocyte hyperplasia associated with myeloproliferative neoplasms commonly leads to abnormal bone tissue deposition in the bone marrow, known as osteosclerosis. In this study, we aimed to synthesize the known proteomics literature describing factors released by megakaryocytes and platelets and to examine if any of the secreted factors have a known ability to stimulate the bone-forming cells, osteoblasts. Using a systematic search of Medline, we identified 77 articles reporting on factors secreted by platelets and megakaryocytes. After a full-text screening and analysis of the studies, we selected seven papers that reported proteomics data for factors secreted by platelets from healthy individuals. From 60 proteins reported in at least two studies, we focused on 23 that contained a putative signal peptide, which we searched for a potential osteoblast-stimulatory function. From nine proteins with a positive effect on osteoblast formation and function, two extracellular matrix (ECM) proteins, secreted protein acidic and rich in cysteine (SPARC) and tissue inhibitor of metalloproteinase-1 (TIMP1), and three cellular proteins with known extracellular function, the 70-kDa heat shock protein (HSP70), thymosin-β4 (TB4), and super dismutase (SOD), were identified as hypothetical candidate molecules to be examined as potential mediators in mouse models of osteomyelofibrosis. Thus, careful analysis of prior literature can be beneficial in assisting the planning of future experimental studies.
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Affiliation(s)
- Kerstin Tiedemann
- Faculty of Dental Medicine and Oral Health Sciences, Shriners Hospital for Children-Canada, Montreal, Quebec, Canada
| | - Serena Tsao
- Faculty of Dental Medicine and Oral Health Sciences, Shriners Hospital for Children-Canada, Montreal, Quebec, Canada
| | - Svetlana V Komarova
- Faculty of Dental Medicine and Oral Health Sciences, Shriners Hospital for Children-Canada, Montreal, Quebec, Canada
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Eggers B, Wagenheim AM, Jung S, Kleinheinz J, Nokhbehsaim M, Kramer FJ, Sielker S. Effect of Cold Atmospheric Plasma (CAP) on Osteogenic Differentiation Potential of Human Osteoblasts. Int J Mol Sci 2022; 23:ijms23052503. [PMID: 35269642 PMCID: PMC8910241 DOI: 10.3390/ijms23052503] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2021] [Revised: 02/11/2022] [Accepted: 02/22/2022] [Indexed: 01/12/2023] Open
Abstract
Bone regeneration after oral and maxillofacial surgery is a long-term process, which involves various mechanisms. Recently, cold atmospheric plasma (CAP) has become known to accelerate wound healing and have an antimicrobial effect. Since the use of CAP in dentistry is not yet established, the aim of the present study was to investigate the effect of CAP on human calvaria osteoblasts (HCO). HCO were treated with CAP for different durations of time and distances to the cells. Cell proliferation was determined by MTT assay and cell toxicity by LDH assay. Additionally, RT-qPCR was used to investigate effects on osteogenic markers, such as alkaline phosphatase (ALP), bone morphogenic protein (BMP)2, collagen (COL)1A1, osteonectin (SPARC), osteoprotegerin (OPG), osterix (OSX), receptor activator of NF-κB (RANK), RANK Ligand (RANKL), and Runt-related transcription factor (RUNX)2. There were small differences in cell proliferation and LDH release regarding treatment duration and distance to the cells. However, an increase in the expression of RANK and RANKL was observed at longer treatment times. Additionally, CAP caused a significant increase in mRNA expression of genes relevant to osteogenesis. In conclusion, CAP has a stimulating effect on osteoblasts and may thus represent a potential therapeutic approach in the regeneration of hard tissue defects.
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Affiliation(s)
- Benedikt Eggers
- Department of Oral, Maxillofacial and Plastic Surgery, University Hospital Bonn, 53111 Bonn, Germany;
- Correspondence: (B.E.); (S.S.); Tel.: +49-(0)228-287-22407 (B.E.); +49-251-83-47007 (S.S.)
| | - Anna-Maria Wagenheim
- Research Unit Vascular Biology of Oral Structures (VABOS), Department of Cranio-Maxillofacial Surgery, University Hospital Muenster, 48149 Münster, Germany; (A.-M.W.); (S.J.); (J.K.)
| | - Susanne Jung
- Research Unit Vascular Biology of Oral Structures (VABOS), Department of Cranio-Maxillofacial Surgery, University Hospital Muenster, 48149 Münster, Germany; (A.-M.W.); (S.J.); (J.K.)
| | - Johannes Kleinheinz
- Research Unit Vascular Biology of Oral Structures (VABOS), Department of Cranio-Maxillofacial Surgery, University Hospital Muenster, 48149 Münster, Germany; (A.-M.W.); (S.J.); (J.K.)
| | - Marjan Nokhbehsaim
- Section of Experimental Dento-Maxillo-Facial Medicine, University Hospital Bonn, 53111 Bonn, Germany;
| | - Franz-Josef Kramer
- Department of Oral, Maxillofacial and Plastic Surgery, University Hospital Bonn, 53111 Bonn, Germany;
| | - Sonja Sielker
- Research Unit Vascular Biology of Oral Structures (VABOS), Department of Cranio-Maxillofacial Surgery, University Hospital Muenster, 48149 Münster, Germany; (A.-M.W.); (S.J.); (J.K.)
- Correspondence: (B.E.); (S.S.); Tel.: +49-(0)228-287-22407 (B.E.); +49-251-83-47007 (S.S.)
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Jiao MN, Zhang TM, Yang K, Xu ZY, Zhang GM, Tian YY, Liu H, Yan YB. Absorbance or organization into ankylosis: a microarray analysis of haemarthrosis in a sheep model of temporomandibular joint trauma. BMC Oral Health 2021; 21:668. [PMID: 34961493 PMCID: PMC8713393 DOI: 10.1186/s12903-021-02033-w] [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] [Received: 08/26/2021] [Accepted: 12/22/2021] [Indexed: 11/29/2022] Open
Abstract
Background Traumatic haemarthrosis was hypothesized to be the etiology of temporomandibular (TMJ) ankylosis. Here, taking haematoma absorbance as a control, we aimed to reveal the molecular mechanisms involved in haematoma organizing into ankylosis using transcriptome microarray profiles. Material/methods Disk removal was performed to building haematoma absorbance (HA) in one side of TMJ, while removal of disk and articular fibrous layers was performed to induced TMJ ankylosis through haematoma organization (HO) in the contralateral side in a sheep model. Haematoma tissues harvested at days 1, 4 and 7 postoperatively were examined by histology, and analyzed by Affymetrix OviGene-1_0-ST microarrays. The DAVID were recruited to perform the Gene Ontology and Kyoto Encyclopedia of Genes and Genomes pathway analysis for the different expression genes (DEGs). The DEGs were also typed into protein–protein interaction (PPI) networks to get the interaction data. Six significant genes screened from PPI analysis, were confirmed by real-time PCR. Results We found 268, 223 and 17 DEGs at least twofold at days 1, 4 and 7, respectively. At day 1, genes promoting collagen ossification (POSTN, BGN, LUM, SPARC), cell proliferation (TGF-β), and osteogenic differentiation of mesenchymal stem cells (BMP-2) were up-regulated in the HO side. At day 4, several genes involved in angiogenesis (KDR, FIT1, TEK) shower higher expression in the HO side. While HA was characterized by a continuous immune and inflammatory reaction. Conclusions Our results provide a comprehensive understanding of the role of haematoma in the onset and progress of TMJ ankylosis. The study will contribute to explaining why few injured TMJs ankylose and most do not from the molecular level. Supplementary Information The online version contains supplementary material available at 10.1186/s12903-021-02033-w.
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Affiliation(s)
- Mai-Ning Jiao
- Tianjin Medical University, 22 Qi-xiang-tai Road, Heping District, Tianjin, 300070, People's Republic of China.,Department of Oromaxillofacial-Head and Neck Surgery, Tianjin Stomatological Hospital, 75 Dagu Road, Heping District, Tianjin, 300041, People's Republic of China.,Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, 75 Dagu Road, Heping District, Tianjin, 300041, People's Republic of China
| | - Tong-Mei Zhang
- Tianjin Medical University, 22 Qi-xiang-tai Road, Heping District, Tianjin, 300070, People's Republic of China.,Department of Oromaxillofacial-Head and Neck Surgery, Tianjin Stomatological Hospital, 75 Dagu Road, Heping District, Tianjin, 300041, People's Republic of China.,Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, 75 Dagu Road, Heping District, Tianjin, 300041, People's Republic of China
| | - Kun Yang
- Department of Oral and Maxillofacial Surgery, China Three Gorges University Affiliated Renhe Hospital, 410 Yiling Ave, Hubei, 443001, People's Republic of China
| | - Zhao-Yuan Xu
- Department of Oromaxillofacial-Head and Neck Surgery, Tianjin Stomatological Hospital, 75 Dagu Road, Heping District, Tianjin, 300041, People's Republic of China.,Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, 75 Dagu Road, Heping District, Tianjin, 300041, People's Republic of China
| | - Guan-Meng Zhang
- Department of Oromaxillofacial-Head and Neck Surgery, Tianjin Stomatological Hospital, 75 Dagu Road, Heping District, Tianjin, 300041, People's Republic of China.,Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, 75 Dagu Road, Heping District, Tianjin, 300041, People's Republic of China
| | - Yuan-Yuan Tian
- Department of Oromaxillofacial-Head and Neck Surgery, Tianjin Stomatological Hospital, 75 Dagu Road, Heping District, Tianjin, 300041, People's Republic of China.,Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, 75 Dagu Road, Heping District, Tianjin, 300041, People's Republic of China
| | - Hao Liu
- Department of Oromaxillofacial-Head and Neck Surgery, Tianjin Stomatological Hospital, 75 Dagu Road, Heping District, Tianjin, 300041, People's Republic of China. .,Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, 75 Dagu Road, Heping District, Tianjin, 300041, People's Republic of China.
| | - Ying-Bin Yan
- Department of Oromaxillofacial-Head and Neck Surgery, Tianjin Stomatological Hospital, 75 Dagu Road, Heping District, Tianjin, 300041, People's Republic of China. .,Tianjin Key Laboratory of Oral and Maxillofacial Function Reconstruction, 75 Dagu Road, Heping District, Tianjin, 300041, People's Republic of China.
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Safdari M, Bibak B, Soltani H, Hashemi J. Recent advancements in decellularized matrix technology for bone tissue engineering. Differentiation 2021; 121:25-34. [PMID: 34454348 DOI: 10.1016/j.diff.2021.08.004] [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] [Received: 06/24/2021] [Revised: 08/17/2021] [Accepted: 08/20/2021] [Indexed: 12/11/2022]
Abstract
The native extracellular matrix (ECM) provides a matrix to hold tissue/organ, defines the cellular fate and function, and retains growth factors. Such a matrix is considered as a most biomimetic scaffold for tissue engineering due to the biochemical and biological components, 3D hierarchical structure, and physicomechanical properties. Several attempts have been performed to decellularize allo- or xeno-graft tissues and used them for bone repairing and regeneration. Decellularized ECM (dECM) technology has been developed to create an in vivo-like microenvironment to promote cell adhesion, growth, and differentiation for tissue repair and regeneration. Decellularization is mediated through physical, chemical, and enzymatic methods. In this review, we describe the recent progress in bone decellularization and their applications as a scaffold, hydrogel, bioink, or particles in bone tissue engineering. Furthermore, we address the native dECM limitations and the potential of non-bone dECM, cell-based ECM, and engineered ECM (eECM) for in vitro osteogenic differentiation and in vivo bone regeneration.
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Affiliation(s)
- Mohammadreza Safdari
- Department of Surgery, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Bahram Bibak
- Department of Physiology and Pharmacology, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran; Research Center of Natural Products Safety and Medicinal Plants, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Hoseinali Soltani
- Department of General Surgery, Imam Ali Hospital, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran
| | - Javad Hashemi
- Research Center of Natural Products Safety and Medicinal Plants, North Khorasan University of Medical Sciences, Bojnurd, Iran; Department of Pathobiology and Laboratory Sciences, School of Medicine, North Khorasan University of Medical Sciences, Bojnurd, Iran.
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Nikoloudaki G. Functions of Matricellular Proteins in Dental Tissues and Their Emerging Roles in Orofacial Tissue Development, Maintenance, and Disease. Int J Mol Sci 2021; 22:ijms22126626. [PMID: 34205668 PMCID: PMC8235165 DOI: 10.3390/ijms22126626] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/16/2021] [Accepted: 06/17/2021] [Indexed: 01/04/2023] Open
Abstract
Matricellular proteins (MCPs) are defined as extracellular matrix (ECM) associated proteins that are important regulators and integrators of microenvironmental signals, contributing to the dynamic nature of ECM signalling. There is a growing understanding of the role of matricellular proteins in cellular processes governing tissue development as well as in disease pathogenesis. In this review, the expression and functions of different MP family members (periostin, CCNs, TSPs, SIBLINGs and others) are presented, specifically in relation to craniofacial development and the maintenance of orofacial tissues, including bone, gingiva, oral mucosa, palate and the dental pulp. As will be discussed, each MP family member has been shown to have non-redundant roles in development, tissue homeostasis, wound healing, pathology and tumorigenesis of orofacial and dental tissues.
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Affiliation(s)
- Georgia Nikoloudaki
- Schulich Dentistry Department, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 5C1, Canada; ; Tel.: +1-519-661-2111 (ext. 81102)
- Department of Anatomy and Cell Biology, Schulich School of Medicine and Dentistry, Western University, London, ON N6A 5C1, Canada
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Martinez J, Smith PC. The Dynamic Interaction between Extracellular Matrix Remodeling and Breast Tumor Progression. Cells 2021; 10:1046. [PMID: 33946660 PMCID: PMC8145942 DOI: 10.3390/cells10051046] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2021] [Revised: 04/27/2021] [Accepted: 04/27/2021] [Indexed: 12/27/2022] Open
Abstract
Desmoplastic tumors correspond to a unique tissue structure characterized by the abnormal deposition of extracellular matrix. Breast tumors are a typical example of this type of lesion, a property that allows its palpation and early detection. Fibrillar type I collagen is a major component of tumor desmoplasia and its accumulation is causally linked to tumor cell survival and metastasis. For many years, the desmoplastic phenomenon was considered to be a reaction and response of the host tissue against tumor cells and, accordingly, designated as "desmoplastic reaction". This notion has been challenged in the last decades when desmoplastic tissue was detected in breast tissue in the absence of tumor. This finding suggests that desmoplasia is a preexisting condition that stimulates the development of a malignant phenotype. With this perspective, in the present review, we analyze the role of extracellular matrix remodeling in the development of the desmoplastic response. Importantly, during the discussion, we also analyze the impact of obesity and cell metabolism as critical drivers of tissue remodeling during the development of desmoplasia. New knowledge derived from the dynamic remodeling of the extracellular matrix may lead to novel targets of interest for early diagnosis or therapy in the context of breast tumors.
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Affiliation(s)
- Jorge Martinez
- Cell Biology Laboratory, INTA, University of Chile, Santiago 7810000, Chile
| | - Patricio C. Smith
- School of Dentistry, Faculty of Medicine, Pontificia Universidad Católica de Chile, Santiago 8330024, Chile
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12
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Ghanemi A, Yoshioka M, St-Amand J. Secreted Protein Acidic and Rich in Cysteine as A Regeneration Factor: Beyond the Tissue Repair. Life (Basel) 2021; 11:life11010038. [PMID: 33435573 PMCID: PMC7827108 DOI: 10.3390/life11010038] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Revised: 01/06/2021] [Accepted: 01/07/2021] [Indexed: 02/07/2023] Open
Abstract
Diverse pathologies (inflammation, tissues injuries, cancer, etc.) and physiological conditions (obesity, physical activity, etc.) induce the expression/secretion of the matricellular protein, secrete protein acidic and rich in cysteine (SPARC). SPARC contributes to the creation of an environment that is suitable for tissue regeneration through a variety of roles, including metabolic homeostasis, inflammation reduction, extracellular matrix remodeling and collagen maturation. Such a homeostatic environment optimizes tissue regeneration and improves tissues’ repair ability. These properties that SPARC has within the regeneration contexts could have a variety of applications, such as in obesity, cancer, sarcopenia, diabetes and bioengineering.
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Affiliation(s)
- Abdelaziz Ghanemi
- Department of Molecular Medicine, Faculty of Medicine, Laval University, Québec, QC G1V 0A6, Canada;
- Functional Genomics Laboratory, Endocrinology and Nephrology Axis, CHU de Québec-Université Laval Research Center, Québec, QC G1V 4G2, Canada;
| | - Mayumi Yoshioka
- Functional Genomics Laboratory, Endocrinology and Nephrology Axis, CHU de Québec-Université Laval Research Center, Québec, QC G1V 4G2, Canada;
| | - Jonny St-Amand
- Department of Molecular Medicine, Faculty of Medicine, Laval University, Québec, QC G1V 0A6, Canada;
- Functional Genomics Laboratory, Endocrinology and Nephrology Axis, CHU de Québec-Université Laval Research Center, Québec, QC G1V 4G2, Canada;
- Correspondence: ; Tel.: + 1-(418)-525-4444 (ext. 46448); Fax: +1-(418)-654-2298
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Silencing of SPARC represses heterotopic ossification via inhibition of the MAPK signaling pathway. Biosci Rep 2020; 39:BSR20191805. [PMID: 31548362 PMCID: PMC6851515 DOI: 10.1042/bsr20191805] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2019] [Revised: 09/08/2019] [Accepted: 09/18/2019] [Indexed: 11/17/2022] Open
Abstract
Heterotopic ossification (HO), the pathologic formation of extraskeletal bone, can be disabling and lethal. However, the underlying molecular mechanisms were largely unknown. The present study aimed to clarify the involvement of secreted protein acidic and rich in cysteine (SPARC) and the underlying mechanism in rat model of HO. The mechanistic investigation on roles of SPARC in HO was examined through gain- and loss-of-function approaches of SPARC, with alkaline-phosphatase (ALP) activity, mineralized nodules, and osteocalcin (OCN) content measured. To further confirm the regulatory role of SPARC, levels of mitogen-activated protein kinase (MAPK) signaling pathways-related proteins (extracellular signal-regulated kinase (ERK), c-jun N-terminal kinase (JNK), p38, nuclear factor κ-B (NF-κB), and IkB kinase β (IKKβ)) were determined. Bone marrow mesenchymal stem cells were treated with pathway inhibitor to investigate the relationship among SPARC, MAPK signaling pathway, and HO. The results suggested that SPARC expression was up-regulated in Achilles tendon tissues of HO rats. Silencing of SPARC could decrease phosphorylation of ERK, JNK, p38, NF-κB, and IKKβ. Additionally, silencing of SPARC or inhibition of MAPK signaling pathway could reduce the ALP activity, the number of mineralized nodules, and OCN content, thus impeding HO. To sum up, our study identifies the inhibitory role of SPARC gene silencing in HO via the MAPK signaling pathway, suggesting SPARC presents a potential target for HO therapy.
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Enhanced Osteogenic Differentiation of Human Primary Mesenchymal Stem and Progenitor Cultures on Graphene Oxide/Poly(methyl methacrylate) Composite Scaffolds. MATERIALS 2020; 13:ma13132991. [PMID: 32635603 PMCID: PMC7372355 DOI: 10.3390/ma13132991] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2020] [Revised: 06/28/2020] [Accepted: 07/03/2020] [Indexed: 12/26/2022]
Abstract
Due to its versatility, small size, large surface area, and ability to interact with biological cells and tissues, graphene oxide (GO) is an excellent filler for various polymeric composites and is frequently used to expand their functionality. Even though the major advantage of the incorporation of GO is the enhancement of mechanical properties of the composite material, GO is also known to improve bioactivity during biomineralization and promote osteoblast adhesion. In this study, we described the fabrication of a composite bone cement made of GO and poly(methyl methacrylate) (PMMA), and we investigated its potential to enhance osteogenic differentiation of human primary mesenchymal stem and progenitor cells. Through the analysis of three differentiation markers, namely alkaline phosphatase, secreted protein acidic and rich in cysteine, and bone morphogenetic protein-2 in the presence and in the absence of an osteogenic differentiation medium, we were able to indicate a composite produced manually with a thick GO paper as the most effective among all investigated samples. This effect was related to its developed surface, possessing a significant number of voids and pores. In this way, GO/PMMA composites were shown as promising materials for the applications in bone tissue engineering.
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15
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Byrling J, Sasor A, Nilsson J, Said Hilmersson K, Andersson R, Andersson B. Expression of peritumoral SPARC during distal cholangiocarcinoma progression and correlation with outcome. Scand J Gastroenterol 2020; 55:725-731. [PMID: 32543919 DOI: 10.1080/00365521.2020.1774923] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Objectives: Distal cholangiocarcinoma (dCCA) is a malignancy with a dismal prognosis. One of the hallmarks is the presence of a rich desmoplastic stroma believed to contribute to tumor progression and treatment resistance. Secreted protein acidic and rich in cysteine (SPARC) is a matricellular glycoprotein implicated in tumor-stroma interaction with prognostic correlation across several malignancies. The aim of the present study was to evaluate the expression pattern and prognostic significance of SPARC in resected dCCA and paired lymph node metastasis.Materials and methods: SPARC expression was evaluated in 59 resected dCCA samples and 25 paired lymph node metastases as well as 10 benign bile duct samples using immunohistochemistry. Stromal SPARC expression was scored semi quantitatively. Survival was estimated using the Kaplan-Meier method with associated log-rank test.Results: SPARC expression was absent in normal bile ducts. In dCCA, peritumoral stromal SPARC was detectable in 47/59 (80%) of samples with 40/59 (68%) classified as high stromal SPARC expression. There was a significantly lower proportion of SPARC positive stroma in paired lymph node metastasis 17/25 (68%) than the corresponding primary tumors 24/25 (96%) (p = .016). Stromal SPARC expression was associated with the presence of lymph node metastasis; high SPARC expression 31/40 (78%) versus low SPARC expression 9/19 (47%) (p = .013). In the present material there was no significant association between stromal SPARC expression and survival.Conclusions: Stromal SPARC expression occurs frequently in dCCA. Although significantly lower than in primary tumors stromal SPARC is frequently retained in paired lymph node metastasis suggesting a possible role in the metastatic process of dCCA.
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Affiliation(s)
- Johannes Byrling
- Department of Clinical Sciences Lund, Surgery, Lund University and Skåne University Hospital, Lund, Sweden
| | - Agata Sasor
- Department of Clinical Sciences Lund, Pathology, Lund University and Skåne University Hospital, Lund, Sweden
| | - Johan Nilsson
- Department of Clinical Sciences Lund, Cardiothoracic Surgery, Lund University and Skåne University Hospital, Lund, Sweden
| | - Katarzyna Said Hilmersson
- Department of Clinical Sciences Lund, Surgery, Lund University and Skåne University Hospital, Lund, Sweden
| | - Roland Andersson
- Department of Clinical Sciences Lund, Surgery, Lund University and Skåne University Hospital, Lund, Sweden
| | - Bodil Andersson
- Department of Clinical Sciences Lund, Surgery, Lund University and Skåne University Hospital, Lund, Sweden
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16
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Lin X, Patil S, Gao YG, Qian A. The Bone Extracellular Matrix in Bone Formation and Regeneration. Front Pharmacol 2020; 11:757. [PMID: 32528290 PMCID: PMC7264100 DOI: 10.3389/fphar.2020.00757] [Citation(s) in RCA: 312] [Impact Index Per Article: 78.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2019] [Accepted: 05/06/2020] [Indexed: 12/17/2022] Open
Abstract
Bone regeneration repairs bone tissue lost due to trauma, fractures, and tumors, or absent due to congenital disorders. The extracellular matrix (ECM) is an intricate dynamic bio-environment with precisely regulated mechanical and biochemical properties. In bone, ECMs are involved in regulating cell adhesion, proliferation, and responses to growth factors, differentiation, and ultimately, the functional characteristics of the mature bone. Bone ECM can induce the production of new bone by osteoblast-lineage cells, such as MSCs, osteoblasts, and osteocytes and the absorption of bone by osteoclasts. With the rapid development of bone regenerative medicine, the osteoinductive, osteoconductive, and osteogenic potential of ECM-based scaffolds has attracted increasing attention. ECM-based scaffolds for bone tissue engineering can be divided into two types, that is, ECM-modified biomaterial scaffold and decellularized ECM scaffold. Tissue engineering strategies that utilize the functional ECM are superior at guiding the formation of specific tissues at the implantation site. In this review, we provide an overview of the function of various types of bone ECMs in bone tissue and their regulation roles in the behaviors of osteoblast-lineage cells and osteoclasts. We also summarize the application of bone ECM in bone repair and regeneration. A better understanding of the role of bone ECM in guiding cellular behavior and tissue function is essential for its future applications in bone repair and regenerative medicine.
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Affiliation(s)
- Xiao Lin
- Laboratory for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Laboratory for Space Biosciences and Biotechnology, Research Center for Special Medicine and Health Systems Engineering, NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Suryaji Patil
- Laboratory for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Laboratory for Space Biosciences and Biotechnology, Research Center for Special Medicine and Health Systems Engineering, NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Yong-Guang Gao
- Laboratory for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Laboratory for Space Biosciences and Biotechnology, Research Center for Special Medicine and Health Systems Engineering, NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
| | - Airong Qian
- Laboratory for Bone Metabolism, Xi'an Key Laboratory of Special Medicine and Health Engineering, Key Laboratory for Space Biosciences and Biotechnology, Research Center for Special Medicine and Health Systems Engineering, NPU-UAB Joint Laboratory for Bone Metabolism, School of Life Sciences, Northwestern Polytechnical University, Xi'an, China
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17
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Paterson YZ, Cribbs A, Espenel M, Smith EJ, Henson FMD, Guest DJ. Genome-wide transcriptome analysis reveals equine embryonic stem cell-derived tenocytes resemble fetal, not adult tenocytes. Stem Cell Res Ther 2020; 11:184. [PMID: 32430075 PMCID: PMC7238619 DOI: 10.1186/s13287-020-01692-w] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2020] [Revised: 04/21/2020] [Accepted: 04/28/2020] [Indexed: 01/10/2023] Open
Abstract
BACKGROUND Tendon injuries occur frequently in human and equine athletes. Treatment options are limited, and the prognosis is often poor with functionally deficient scar tissue resulting. Fetal tendon injuries in contrast are capable of healing without forming scar tissue. Embryonic stem cells (ESCs) may provide a potential cellular therapeutic to improve adult tendon regeneration; however, whether they can mimic the properties of fetal tenocytes is unknown. To this end, understanding the unique expression profile of normal adult and fetal tenocytes is crucial to allow validation of ESC-derived tenocytes as a cellular therapeutic. METHODS Equine adult, fetal and ESC-derived tenocytes were cultured in a three-dimensional environment, with histological, morphological and transcriptomic differences compared. Additionally, the effects on gene expression of culturing adult and fetal tenocytes in either conventional two-dimensional monolayer culture or three-dimensional culture were compared using RNA sequencing. RESULTS No qualitative differences in three-dimensional tendon constructs generated from adult, fetal and ESCs were found using histological and morphological analysis. However, genome-wide transcriptomic analysis using RNA sequencing revealed that ESC-derived tenocytes' transcriptomic profile more closely resembled fetal tenocytes as opposed to adult tenocytes. Furthermore, this study adds to the growing evidence that monolayer cultured cells' gene expression profiles converge, with adult and fetal tenocytes having only 10 significantly different genes when cultured in this manner. In contrast, when adult and fetal tenocytes were cultured in 3D, large distinctions in gene expression between these two developmental stages were found, with 542 genes being differentially expressed. CONCLUSION The information provided in this study makes a significant contribution to the investigation into the differences between adult reparative and fetal regenerative cells and supports the concept of using ESC-derived tenocytes as a cellular therapy. Comparing two- and three-dimensional culture also indicates three-dimensional culture as being a more physiologically relevant culture system for determining transcriptomic difference between the same cell types from different developmental stages.
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Affiliation(s)
- Y. Z. Paterson
- Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge, CB3 0ES UK
- Centre for Preventive Medicine, Animal Health Trust, Lanwades Park, Kentford, Newmarket, Suffolk, CB8 7UU UK
| | - A. Cribbs
- Nuffield Department of Orthopaedics, Rheumatology and Musculoskeletal Sciences, University of Oxford, Oxford, OX3 7LD UK
| | - M. Espenel
- Centre for Preventive Medicine, Animal Health Trust, Lanwades Park, Kentford, Newmarket, Suffolk, CB8 7UU UK
| | - E. J. Smith
- Centre for Preventive Medicine, Animal Health Trust, Lanwades Park, Kentford, Newmarket, Suffolk, CB8 7UU UK
| | - F. M. D. Henson
- Department of Veterinary Medicine, University of Cambridge, Madingley Road, Cambridge, CB3 0ES UK
- Centre for Preventive Medicine, Animal Health Trust, Lanwades Park, Kentford, Newmarket, Suffolk, CB8 7UU UK
| | - D. J. Guest
- Centre for Preventive Medicine, Animal Health Trust, Lanwades Park, Kentford, Newmarket, Suffolk, CB8 7UU UK
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18
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Mukherjee S, Choi MJ, Kim SW, Yun JW. Secreted protein acidic and rich in cysteine (SPARC) regulates thermogenesis in white and brown adipocytes. Mol Cell Endocrinol 2020; 506:110757. [PMID: 32057945 DOI: 10.1016/j.mce.2020.110757] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2019] [Revised: 02/07/2020] [Accepted: 02/08/2020] [Indexed: 02/06/2023]
Abstract
SPARC, also known as osteonectin, is well known for its physiological roles in bone formation and tissue remodeling, as well as in cancer pathology; however, evidence regarding its function in adipocytes is lacking. The present study explored the physiological role of SPARC in cultured 3T3-L1 white and HIB1B brown adipocytes of murine cell lines. Treatment of recombinant SPARC upregulated the fat browning marker proteins and genes in white adipocytes and activated brown adipocytes. Conversely, knockdown of Sparc markedly reduced these genes and proteins in both cell lines. In addition, recombinant SPARC inhibited expression of adipogenic and lipogenic proteins but elevated lipolytic and fatty acid oxidation proteins. Furthermore, in silico analysis revealed that SPARC directly interacted and regulated VEGF in adipocytes. In conclusion, SPARC acts as a regulatory protein in both white and brown adipocytes by controlling thermogenesis and is thus regarded as a possible therapeutic target for treatment of obesity.
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Affiliation(s)
- Sulagna Mukherjee
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk, 38453, Republic of Korea
| | - Min Ji Choi
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk, 38453, Republic of Korea
| | - Sang Woo Kim
- Institute for Bio-Medical Convergence, College of Medicine, Catholic Kwandong University, Gangneung-si, Gangwon-do, 25601, Republic of Korea
| | - Jong Won Yun
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk, 38453, Republic of Korea.
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19
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Hong SJ, Oh SH, Lee SL, Kim NH, Choe YH, Yim HJ, Lee JH. Bone regeneration by bone morphogenetic protein-2 from porous beads with leaf-stacked structure for critical-sized femur defect model in dogs. J Biomater Appl 2020; 34:1437-1448. [PMID: 32122178 DOI: 10.1177/0885328220910033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Sung Jin Hong
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Se Heang Oh
- Department of nanobiomedical science, Dankook University, Yongin, Republic of Korea
| | - Sung Lim Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Na-Hyun Kim
- Gyeongnam Department of Environment & Toxicology, Korea Institute of Toxicology, Munsan, Republic of Korea
| | - Yong Ho Choe
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Hyeong Jun Yim
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea
| | - Jae-Hoon Lee
- Institute of Animal Medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea
- Department of Veterinary medicine, College of Veterinary Medicine, Gyeongsang National University, Jinju, Republic of Korea
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20
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Joseph B, Javali MA, Khader MA, AlQahtani SM, Mohammed A. Salivary Osteocalcin as Potential Diagnostic Marker of Periodontal Bone Destruction among Smokers. Biomolecules 2020; 10:E380. [PMID: 32121498 PMCID: PMC7175335 DOI: 10.3390/biom10030380] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2020] [Revised: 02/24/2020] [Accepted: 02/26/2020] [Indexed: 12/25/2022] Open
Abstract
: The objective of the study was to assess the levels and diagnostic accuracy of salivary osteocalcin (OC), osteonectin (ON), and deoxypyridinoline-containing degradation fragment of the C-terminal telopeptide region of type I collagen (CTX) in adult smokers with periodontal bone destruction. Towards this, ninety systemically healthy patients (groups I: healthy, II: periodontitis with non-smokers, and III: periodontitis with current smokers) were included in the study. The results showed a positive correlation (weak to moderate) was observed for OC, ON, and CTX with probing pocket depth (PPD; r = 0.40, 0.32, and 0.36) and alveolar bone loss (BL; r = 0.58, 0.38, and 0.51) (p < 0.01). Smoker periodontitis was best discriminated from healthy controls using 15.25 ng/mL of OC (AUC: 0.870; 95% CI: 0.757-0.943; YI (Youden Index): 0.693; p < 0.0001). However, with a cut-off of BL at 33.33%, 19.24 ng/mL of salivary OC gave the best discrimination (AUC: 0.809; 95% CI: 0.686-0.900; Se: 80.0%; Sp: 73.47%, and YI: 0.534). A 16.45 ng/mL amount of OC gave excellent discrimination (AUC: 0.811; 95% CI: 0.688-0.901; Se: 92.31%; Sp: 65.22%, and YI: 0.575) among healthy and smoker periodontitis when PD at 6mm was considered as cut-off. Conclusion: The best discrimination between healthy controls and smoker periodontitis was obtained at 15.25 ng/mL of salivary OC.
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Affiliation(s)
- Betsy Joseph
- Department of Periodontics and Community Dental Sciences, College of Dentistry, King Khalid University, Abha 61421, Saudi Arabia
| | - Mukhatar Ahmed Javali
- Department of Periodontics and Community Dental Sciences, College of Dentistry, King Khalid University, Abha 61421, Saudi Arabia
| | - Mohasin Abdul Khader
- Department of Periodontics and Community Dental Sciences, College of Dentistry, King Khalid University, Abha 61421, Saudi Arabia
| | - Saad M. AlQahtani
- Department of Periodontics and Community Dental Sciences, College of Dentistry, King Khalid University, Abha 61421, Saudi Arabia
| | - Amanullah Mohammed
- Department of Clinical Biochemistry, College of Medicine, King Khalid University, Abha 61421, Saudi Arabia;
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21
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Trolle Jensen TZ, Mackie M, Taurozzi AJ, Lanigan LT, Gundelach C, Olsen J, Sørensen SA, Collins MJ, Sørensen M, Schroeder H. The biomolecular characterization of a finger ring contextually dated to the emergence of the Early Neolithic from Syltholm, Denmark. ROYAL SOCIETY OPEN SCIENCE 2020; 7:191172. [PMID: 32218948 PMCID: PMC7029941 DOI: 10.1098/rsos.191172] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2019] [Accepted: 11/22/2019] [Indexed: 05/25/2023]
Abstract
We present the analysis of an osseous finger ring from a predominantly early Neolithic context in Denmark. To characterize the artefact and identify the raw material used for its manufacture, we performed micro-computed tomography scanning, zooarchaeology by mass spectrometry (ZooMS) peptide mass fingerprinting, as well as protein sequencing by liquid chromatography tandem mass spectrometry (LC-MS/MS). We conclude that the ring was made from long bone or antler due to the presence of osteons (Haversian canals). Subsequent ZooMS analysis of collagen I and II indicated that it was made from Alces alces or Cervus elaphus material. We then used LC-MS/MS analysis to refine our species identification, confirming that the ring was made from Cervus elaphus, and to examine the rest of the proteome. This study demonstrates the potential of ancient proteomics for species identification of prehistoric artefacts made from osseous material.
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Affiliation(s)
- Theis Zetner Trolle Jensen
- Section for Evolutionary Genomics, The Globe Institute, Faculty of Health, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
- BioArCh, Department of Archaeology, Environment Building, Wentworth Way, University of York, York YO10 5NG, UK
| | - Meaghan Mackie
- Section for Evolutionary Genomics, The Globe Institute, Faculty of Health, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
- Novo Nordisk Foundation Center for Protein Research, University of Copenhagen, Blegdamsvej 3b, 2200 Copenhagen, Denmark
| | - Alberto John Taurozzi
- Section for Evolutionary Genomics, The Globe Institute, Faculty of Health, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
| | - Liam Thomas Lanigan
- Section for Evolutionary Genomics, The Globe Institute, Faculty of Health, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
| | - Carsten Gundelach
- Department of Physics, NEXMAP, Technical University of Denmark, Fysikvej 311, 2800 Kgs Lyngby, Denmark
| | - Jesper Olsen
- Department of Physics and Astronomy, Aarhus University, Ny Munkegade 120, 8000 Aarhus C, Denmark
| | | | - Matthew James Collins
- Section for Evolutionary Genomics, The Globe Institute, Faculty of Health, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
- McDonald Institute for Archaeological Research, University of Cambridge, West Tower, Downing Street, Cambridge CB2 3ER, UK
| | - Mikkel Sørensen
- The Saxo Institute, Department of Archaeology, University of Copenhagen, Karen Blixens vej 4, 2300 København S, Denmark
| | - Hannes Schroeder
- Section for Evolutionary Genomics, The Globe Institute, Faculty of Health, University of Copenhagen, Øster Voldgade 5-7, 1350 Copenhagen, Denmark
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22
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George EL, Truesdell SL, Magyar AL, Saunders MM. The effects of mechanically loaded osteocytes and inflammation on bone remodeling in a bisphosphonate-induced environment. Bone 2019; 127:460-473. [PMID: 31301402 DOI: 10.1016/j.bone.2019.07.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/05/2019] [Revised: 07/03/2019] [Accepted: 07/08/2019] [Indexed: 12/23/2022]
Abstract
Bisphosphonate-related osteonecrosis of the jaw is a disease appearing after tooth removal in patients undergoing bisphosphonate treatment for metastasizing cancers and osteoporosis. The complexity of the condition requires a multicellular model to address the net effects of two key risk factors: mechanical trauma (pathologic overload) and inflammation. In this work, a system comprised of a polydimethylsiloxane chip and mechanical loading device is used to expose bisphosphonate-treated osteocytes to mechanical trauma. Specifically, osteocytes are treated with the potent nitrogen-containing bisphosphonate, zoledronic acid, and exposed to short-term pathologic overload via substrate stretch. During bone remodeling, osteocyte apoptosis plays a role in attracting pre-osteoclasts to sites of damage; as such, lactate dehydrogenase activity, cell death and protein expression are evaluated as functions of load. Additionally, the effects of osteocyte soluble factors on osteoclast and osteoblast functional activity are quantified. Osteoclast activity and bone resorption are quantified in the presence and absence of inflammatory components, lipopolysaccharide and interferon gamma. Results suggest that inflammation associated with bacterial infection may hinder bone resorption by osteoclasts. In addition, osteocytes may respond to overload by altering expression of soluble signals that act on osteoblasts to attenuate bone formation. These findings give insight into the multicellular interactions implicated in bisphosphonate-related osteonecrosis of the jaw.
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Affiliation(s)
- Estee L George
- The University of Akron, Olson Research Center 319, 302 E. Buchtel Ave., Akron, OH 44325-0302, USA.
| | - Sharon L Truesdell
- The University of Akron, Olson Research Center 319, 302 E. Buchtel Ave., Akron, OH 44325-0302, USA.
| | - Alexandria L Magyar
- The University of Akron, Olson Research Center 319, 302 E. Buchtel Ave., Akron, OH 44325-0302, USA.
| | - Marnie M Saunders
- The University of Akron, Olson Research Center 319, 302 E. Buchtel Ave., Akron, OH 44325-0302, USA.
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23
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Zhu YS, Gu Y, Jiang C, Chen L. Osteonectin regulates the extracellular matrix mineralization of osteoblasts through P38 signaling pathway. J Cell Physiol 2019; 235:2220-2231. [PMID: 31489629 DOI: 10.1002/jcp.29131] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2019] [Accepted: 08/23/2019] [Indexed: 12/17/2022]
Abstract
Osteonectin binds strongly to type I collagen and hydroxyapatite and plays a crucial role in extracellular matrix mineralization. Previous studies have also shown that p38 signaling pathway is an important regulator for osteoblast mineralization. This study focused on the role of osteonectin in regulating extracellular matrix mineralization via the p38 signaling pathway. Osteoblasts were isolated and cultured from parietal bones of neonatal Sprague-Dawley rats. The gene and protein expressions of noncollagen proteins (BSP, bone sialoprotein; OCN, osteocalcin; OPN, osteopontin), p38 mitogen-activated protein kinase, and SIBLINGs (Small Integrin-Binding LIgand N-linked Glycoproteins) members (DMP1, dentine matrix protein 1, DSPP, dentin sialophosphoprotein, and MEPE, matrix extracellular phosphoglycoprotein) were detected by reverse-transcription quantitative polymerase chain reaction and western blot analysis. Alizarin red staining, intracellular calcium assay, and transmission electron microscopy were used to detect mineralization. Initially, by adding osteonectin at different concentrations in osteoblasts and detecting the above mineralization indexes, 1 µg/ml was determined to be the optima osteonectin concentration, which significantly increased gene expressions of BSP, OPN, OCN, DMP1, MEPE, DSPP, and p38 in osteoblasts, p38 and p-p38 protein expressions were also significantly increased, mineralized nodules were significantly enhanced; when added with SB203580 (a specific inhibitor for p38) these effects were inhibited. Furthermore, osteoblasts transfected with Ad-p38 also significantly upregulated the protein and gene expressions of noncollagens and SIBLINGs members, whereas transfection of p38-rhRNA showed the opposite effect. Our data suggest that osteonectin regulates the extracellular matrix mineralization of osteoblasts through the P38 signaling pathway.
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Affiliation(s)
- Yun-Sen Zhu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China.,Department of Orthopaedic Surgery, The First People's Hospital of Wenling, Wenling, Zhejiang, China
| | - Yong Gu
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
| | - Chang Jiang
- Department of Orthopaedic Surgery, The First People's Hospital of Wenling, Wenling, Zhejiang, China
| | - Liang Chen
- Department of Orthopaedic Surgery, The First Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China
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Betsy J, Ahmed JM, Mohasin AK, Mohammed A, Nabeeh A. A. Diagnostic accuracy of salivary biomarkers of bone turnover in identifying patients with periodontitis in a Saudi Arabian population. J Dent Sci 2019; 14:269-276. [PMID: 31534637 PMCID: PMC6742844 DOI: 10.1016/j.jds.2019.03.002] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2018] [Revised: 03/06/2019] [Indexed: 12/16/2022] Open
Abstract
BACKGROUND/PURPOSE Salivary markers of bone turnover are useful biomarkers for screening patients advanced periodontal diseases with alveolar bone loss. Hence, the purpose of this study was to determine the diagnostic accuracy of deoxypyridinoline-containing degradation fragment of the C-terminal telopeptide region of type I collagen (CTX), Osteocalcin (OC) and Osteonectin (ON) in identifying patients with alveolar bone loss (BL) due to periodontitis. MATERIALS AND METHOD Salivary levels of CTX, OC and ON were evaluated in ninety patients (group I, II and III with healthy, periodontitis without Type2 diabetes mellitus-T2DM and periodontitis with T2DM respectively). Group III was included since T2DM is very common among patients attending our clinics. Bleeding on probing (BOP), probing pocket depth (PPD) and BL were recorded for these patients. RESULTS The concentrations of salivary CTX, OC, and ON were higher in subjects with periodontitis than in controls. Significant correlations were found between these biomarkers and periodontal parameters. CTX, OC, and ON could discriminate between healthy (group I) and diseased (group II & III) regarding BL with excellent sensitivity (90.2-100%) and good specificity (62.1-96.6%). ROC curve gave excellent discrimination regarding BL (AUC: 0.926-0.958) and PPD (AUC: 0.904-0.915). However, none of the cut-off values gave good discrimination regarding BOP. CONCLUSION It can be concluded that CTX, OC, and ON correlated well with BL and PPD. Among the three biomarkers, ON at 81.80 ng/ml gave the best discrimination for presence or absence of bone loss.
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Affiliation(s)
- Joseph Betsy
- Department of Periodontics and Community Dental Sciences, Division of Periodontics, College of Dentistry, King Khalid University, Abha, Saudi Arabia
| | - Javali Mukhatar Ahmed
- Department of Periodontics and Community Dental Sciences, Division of Periodontics, College of Dentistry, King Khalid University, Abha, Saudi Arabia
| | - Abdul Khader Mohasin
- Department of Periodontics and Community Dental Sciences, Division of Periodontics, College of Dentistry, King Khalid University, Abha, Saudi Arabia
| | - Amanullah Mohammed
- Department of Clinical Biochemistry, College of Medicine, King Khalid University, Gureiger, Abha, Saudi Arabia
| | - AlQahtani Nabeeh A.
- Department of Periodontics and Community Dental Sciences, Division of Periodontics, College of Dentistry, King Khalid University, Abha, Saudi Arabia
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Das EC, Dhawan S, Babu J, Anil Kumar PR, Kumary TV, Haridas V, Komath M. Self‐assembling polymeric dendritic peptide as functional osteogenic matrix for periodontal regeneration scaffolds—an in vitro study. J Periodontal Res 2019; 54:468-480. [DOI: 10.1111/jre.12647] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 01/17/2019] [Accepted: 02/11/2019] [Indexed: 01/09/2023]
Affiliation(s)
- Eva C. Das
- Biomedical Technology WingSree Chitra Tirunal Institute of Medical Sciences and Technology Thiruvananthapuram India
| | - Sameer Dhawan
- Department of ChemistryIndian Institute of Technology Delhi New Delhi India
| | - Jisha Babu
- Department of ChemistryIndian Institute of Technology Delhi New Delhi India
| | - PR Anil Kumar
- Biomedical Technology WingSree Chitra Tirunal Institute of Medical Sciences and Technology Thiruvananthapuram India
| | - Thrikkovil Variathu Kumary
- Biomedical Technology WingSree Chitra Tirunal Institute of Medical Sciences and Technology Thiruvananthapuram India
| | - V Haridas
- Department of ChemistryIndian Institute of Technology Delhi New Delhi India
| | - Manoj Komath
- Biomedical Technology WingSree Chitra Tirunal Institute of Medical Sciences and Technology Thiruvananthapuram India
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Regulation of the bi-directional cross-talk between ovarian cancer cells and adipocytes by SPARC. Oncogene 2019; 38:4366-4383. [PMID: 30765860 PMCID: PMC6542715 DOI: 10.1038/s41388-019-0728-3] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2018] [Revised: 01/19/2019] [Accepted: 01/19/2019] [Indexed: 01/01/2023]
Abstract
Ovarian cancer (OvCa) exhibits a specific predilection for metastasis to the omentum. Our earlier studies highlighted the tumour-suppressor effect of secreted protein acidic and rich in cysteine (SPARC) in OvCa through multi-faceted roles inhibiting cancer cell interactions within the peritoneal milieu. The goal of this study is to investigate the role of SPARC in OvCa interactions with omental adipocytes and its role in OvCa colonization in the omentum. We employed multi-pronged approach using primary omental adipocytes from Sparc knockout mice, genetically engineered human omental adipocytes in 3D co-cultures with OvCa cells, as well as treatment with recombinant SPARC protein. We show that SPARC suppresses multistep cascade in OvCa omental metastasis. SPARC inhibited in vivo and adipocyte-induced homing, proliferation, and invasion of OvCa cells. SPARC suppressed metabolic programming of both adipocytes and OvCa cells and exerted an inhibitory effect of adipocyte differentiation and their phenotypic switch to cancer-associated phenotype. Mechanistic studies revealed that this effect is mediated through inhibition of cEBPβ-NFkB-AP-1 transcription machinery. These findings define a novel and functionally important role of SPARC in OvCa and not only bridge the knowledge gap but highlight the need to consider SPARC protein expression in therapeutic development.
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Cheng VKF, Au PCM, Tan KC, Cheung CL. MicroRNA and Human Bone Health. JBMR Plus 2018; 3:2-13. [PMID: 30680358 PMCID: PMC6339549 DOI: 10.1002/jbm4.10115] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2018] [Revised: 10/05/2018] [Accepted: 10/09/2018] [Indexed: 12/19/2022] Open
Abstract
The small non‐coding microRNAs (miRNAs) are post‐transcription regulators that modulate diverse cellular process in bone cells. Because optimal miRNA targeting is essential for their function, single‐nucleotide polymorphisms (SNPs) within or proximal to the loci of miRNA (miR‐SNPs) or mRNA (PolymiRTS) could potentially disrupt the miRNA‐mRNA interaction, leading to changes in bone metabolism and osteoporosis. Recent human studies of skeletal traits using miRNA profiling, genomewide association studies, and functional studies started to decipher the complex miRNA regulatory network. These studies have indicated that miRNAs may be a promising bone marker. This review focuses on human miRNA studies on bone traits and discusses how genetic variants affect bone metabolic pathways. Major ex vivo investigations using human samples supported with animal and in vitro models have shed light on the mechanistic role of miRNAs. Furthermore, studying the miRNAs’ signatures in secondary osteoporosis and osteoporotic medications such as teriparatide (TPTD) and denosumab (DMab) have provided valuable insight into clinical management of the disease. © 2018 The Authors. JBMR Plus Published by Wiley Periodicals, Inc. on behalf of the American Society for Bone and Mineral Research
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Affiliation(s)
- Vincent Ka-Fai Cheng
- Department of Pharmacology and Pharmacy The University of Hong Kong Pokfulam Hong Kong
| | - Philip Chun-Ming Au
- Department of Pharmacology and Pharmacy The University of Hong Kong Pokfulam Hong Kong
| | - Kathryn Cb Tan
- Department of Medicine The University of Hong Kong Pokfulam Hong Kong
| | - Ching-Lung Cheung
- Department of Pharmacology and Pharmacy The University of Hong Kong Pokfulam Hong Kong.,Centre for Genomic Sciences Li Ka Shing Faculty of Medicine The University of Hong Kong Pokfulam Hong Kong
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Haubruck P, Heller R, Tanner MC, Daniel V, Schmidmaier G, Bolourchi F, Moghaddam A, Fischer C. A Preliminary Study of Contrast-Enhanced Ultrasound (CEUS) and Cytokine Expression Analysis (CEA) as Early Predictors for the Outcome of Tibial Non-Union Therapy. Diagnostics (Basel) 2018; 8:diagnostics8030055. [PMID: 30149501 PMCID: PMC6164610 DOI: 10.3390/diagnostics8030055] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2018] [Revised: 08/19/2018] [Accepted: 08/22/2018] [Indexed: 01/09/2023] Open
Abstract
The current study investigates if contrast-enhanced ultrasound (CEUS) or cytokine expression analysis (CEA) evaluating vascularization are capable of predicting the outcome of non-union therapy. Patients with tibial non-unions were surgically treated and participated in our follow-up program including perioperative collection of blood as well as CEUS analysis. Two groups were formed: Responders in group 1 (G1, N = 8) and Non-Responders in group 2 (G2, N = 5). Serum cytokine expression and local microperfusion were compared and correlated to the radiologic outcome. Evaluation of TNF-α expression revealed significantly lower values prior to first surgery in G1 (G1: 9.66 ± 0.96 pg/mL versus G2: 12.63 ± 1.2 pg/mL; p = 0.045); whereas after treatment both CEA and CEUS indicated a higher potential for angiogenesis in Responders. Logistic regression modelling revealed the highest predictive power regarding eventual osseous consolidation for the combination of both CEUS and serum CEA. The results provide first evidence regarding a link between changes in the serum expression of distinct pro-angiogenic cytokines and alterations in the local microperfusion assessed via both non-invasive and radiation-free diagnostic modalities. In addition, a combination of CEUS and CEA is a promising novel tool in early prediction of the outcome of non-union therapy.
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Affiliation(s)
- Patrick Haubruck
- HTRG-Heidelberg Trauma Research Group, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Trauma and Reconstructive Surgery, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118 Heidelberg, Germany.
- Raymond Purves Bone and Joint Research Laboratories, Kolling Institute of Medical Research, Institute of Bone and Joint Research, University of Sydney, St. Leonards, New South Wales 2065, Australia.
| | - Raban Heller
- HTRG-Heidelberg Trauma Research Group, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Trauma and Reconstructive Surgery, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118 Heidelberg, Germany.
| | - Michael C Tanner
- HTRG-Heidelberg Trauma Research Group, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Trauma and Reconstructive Surgery, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118 Heidelberg, Germany.
| | - Volker Daniel
- Department of Transplantation Immunology, Institute of Immunology, University of Heidelberg, Im Neuenheimer Feld 305, 69120 Heidelberg, Germany.
| | - Gerhard Schmidmaier
- HTRG-Heidelberg Trauma Research Group, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Trauma and Reconstructive Surgery, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118 Heidelberg, Germany.
| | - Farhoud Bolourchi
- HTRG-Heidelberg Trauma Research Group, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Trauma and Reconstructive Surgery, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118 Heidelberg, Germany.
| | - Arash Moghaddam
- HTRG-Heidelberg Trauma Research Group, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Trauma and Reconstructive Surgery, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118 Heidelberg, Germany.
- ATORG-Aschaffenburg Trauma and Orthopedic Research Group, Center for Trauma Surgery, Orthopedics and Sports Medicine, Am Hasenkopf 1, 63739 Aschaffenburg, Germany.
| | - Christian Fischer
- HTRG-Heidelberg Trauma Research Group, Center for Orthopedics, Trauma Surgery and Spinal Cord Injury, Trauma and Reconstructive Surgery, Heidelberg University Hospital, Schlierbacher Landstrasse 200a, 69118 Heidelberg, Germany.
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O'Grady S, Morgan MP. Microcalcifications in breast cancer: From pathophysiology to diagnosis and prognosis. Biochim Biophys Acta Rev Cancer 2018; 1869:310-320. [PMID: 29684522 DOI: 10.1016/j.bbcan.2018.04.006] [Citation(s) in RCA: 74] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2018] [Revised: 04/18/2018] [Accepted: 04/18/2018] [Indexed: 01/29/2023]
Abstract
The implementation of mammographic screening programmes in many countries has been linked to a marked increase in early detection and improved prognosis for breast cancer patients. Breast tumours can be detected by assessing several features in mammographic images but one of the most common are the presence of small deposits of calcium known as microcalcifications, which in many cases may be the only detectable sign of a breast tumour. In addition to their efficacy in the detection of breast cancer, the presence of microcalcifications within a breast tumour may also convey useful prognostic information. Breast tumours with associated calcifications display an increased rate of HER2 overexpression as well as decreased survival, increased risk of recurrence, high tumour grade and increased likelihood of spread to the lymph nodes. Clearly, the presence of microcalcifications in a tumour is a clinically significant finding, suggesting that a detailed understanding of their formation may improve our knowledge of the early stages of breast tumourigenesis, yet there are no reports which attempt to bring together recent basic science research findings and current knowledge of the clinical significance of microcalcifications. This review will summarise the most current understanding of the formation of calcifications within breast tissue and explore their associated clinical features and prognostic value.
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Affiliation(s)
- S O'Grady
- Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland
| | - M P Morgan
- Molecular and Cellular Therapeutics, Royal College of Surgeons in Ireland, 123 St Stephen's Green, Dublin 2, Ireland.
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Cassuto J, Folestad A, Göthlin J, Malchau H, Kärrholm J. The key role of proinflammatory cytokines, matrix proteins, RANKL/OPG and Wnt/β-catenin in bone healing of hip arthroplasty patients. Bone 2018; 107:66-77. [PMID: 29129760 DOI: 10.1016/j.bone.2017.11.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/28/2017] [Revised: 10/01/2017] [Accepted: 11/08/2017] [Indexed: 01/08/2023]
Abstract
INTRODUCTION We still lack understanding of why some implants fail while most remain stable after decades of use. Proinflammatory cytokines, matrix proteins and bone regulating cytokines of the RANKL/OPG (receptor activator of nuclear factor kappa B ligand/osteoprotegerin) and Wnt/β-catenin pathways are mandatory for normal bone repair but their spatial and temporal role in the healing of primary total hip arthroplasties (THA) has not been previously shown. MATERIALS AND METHODS Twenty-four osteoarthritis patients with one-sided well-fixed primary THA were prospectively monitored during 18years (18Y) with repeated blood samples, clinical variables and radiographs. Eighty-one healthy donors divided in three age- and gender-matched groups and twenty osteoarthritis patients awaiting THA and serving as control of the validity of stored plasma in THA patients, were included. Plasma was analyzed for C-reactive protein (CRP), interleukin (IL)-6, IL-8, IL-1β, tumor necrosis factor (TNF)-α, osteopontin (OPN), secreted protein acidic and rich in cysteine (SPARC/osteonectin), osteocalcin (OC), bone specific alkaline phosphatase (BALP), N-terminal propeptide of collagen type I (P1NP), RANKL, OPG, the Wnt agonistic ligands (Wnt)-1 and Wnt-3a, and the Wnt antagonists sclerostin, Dickkopf (Dkk)-1, Dkk-3, Dkk-4, secreted frizzled related protein (sFRP)-1, sFRP-3 and Wnt inhibitory factor-1 (Wif-1). RESULTS Inflammatory mediators in arthroplasty patients (CRP, IL-6, OPN) increased significantly on day one after surgery vs preoperative value (PR) and healthy subjects and returned to baseline at 6W. TNF-α did not change relative preoperative level or healthy subjects. SPARC and OC increased in a biphasic fashion with the primary phase beginning shortly after surgery and lasting 3M (SPARC) and 2Y (OC) while the secondary phase peaked at 1Y (SPARC) and 13Y (OC), with both returning to basal level at 15Y. BALP peaked at 3M after surgery with a return to basal level at 2Y followed by a continuous increase from 5Y until 18Y. P1NP increased immediately after surgery and returned to basal level at 6W followed by a new peak at 10Y returning to basal at 13Y. IL-8 and IL-1β peaked at 5Y post-THA and returned to basal level at 10Y. RANKL/OPG and Wnt/β-catenin remained at preoperative levels until 5Y post-THA when a sustained increase in OPG level, paralleled by a sustained decrease in sclerostin, started and lasted until 18Y. Despite a strong increase by RANKL at 13Y, the OPG/RANKL-ratio remained high between 5Y and 18Y. Dkk-1 and sFRP-1 remained at basal level until 5Y followed by a peak at 7Y and a return to basal level at 15Y. Similarly, RANKL increased after 5Y, peaked at 13Y and returned to basal levels at 18Y, thus coinciding with Wnt-1. In contrast, Wnt3a, Dkk-3, Dkk-4, sFRP-3 and Wif-1 did not differ from preoperative levels or healthy subjects during the course of the follow-up. CONCLUSION The primary peak of proinflammatory cytokines involved in the initiation of bone healing after trauma is in line with previous results. The primary phase of increased matrix proteins, P1NP and BALP paralleled by RANKL, OPG and Wnt/β-catenin remaining at preoperative level until 5Y, support a strong formation of mineralized matrix and to a lesser degree bone during this phase. The secondary proinflammatory peak at 5Y is likely a trigger of coupled bone remodeling and neosynthesis as it is followed by increased levels of the bone anabolic turnover marker, BALP, and mediators of the RANKL/OPG and Wnt/β-catenin pathways. A continuous increase by OPG level and the bone turnover marker, BALP, lasting from 5Y until 18Y and paralleled by a similar decrease in sclerostin level support their being key regulators of bone anabolism, whereas the transient and opposed activities of RANKL, Wnt-1, Dkk-1 and sFRP-1 serve as fine tuning tools during the coupled remodeling phase.
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Affiliation(s)
- Jean Cassuto
- Orthopedic Research Unit, Department of Orthopedic Surgery, Sahlgrenska University Hospital, Mölndal, Sweden; Institution of Clinical Sciences, Göteborg University, Göteborg, Sweden.
| | - Agnetha Folestad
- Department of Orthopedics, CapioLundby Hospital, Göteborg, Sweden
| | - Jan Göthlin
- Department of Radiology, Sahlgrenska University Hospital, Mölndal, Sweden; Institution of Clinical Sciences, Göteborg University, Göteborg, Sweden
| | - Henrik Malchau
- Orthopedic Research Unit, Department of Orthopedic Surgery, Sahlgrenska University Hospital, Mölndal, Sweden; Department of Orthopedic Surgery, Harvard Medical School, Boston, USA
| | - Johan Kärrholm
- Orthopedic Research Unit, Department of Orthopedic Surgery, Sahlgrenska University Hospital, Mölndal, Sweden; Institution of Clinical Sciences, Göteborg University, Göteborg, Sweden
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IWR-1, a tankyrase inhibitor, attenuates Wnt/β-catenin signaling in cancer stem-like cells and inhibits in vivo the growth of a subcutaneous human osteosarcoma xenograft. Cancer Lett 2018; 414:1-15. [DOI: 10.1016/j.canlet.2017.11.004] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2017] [Revised: 10/31/2017] [Accepted: 11/03/2017] [Indexed: 01/04/2023]
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Lactoferrin-induced growth factors and cytokines expression profile in pre-osteoblast MC3T3-E1 cell and LRP1 stable knockdown MC3T3-E1 cell. J Funct Foods 2017. [DOI: 10.1016/j.jff.2017.07.023] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
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Gao F, Xu F, Wu D, Cheng J, Xia P. Identification of novel genes associated with fracture healing in osteoporosis induced by Krm2 overexpression or Lrp5 deficiency. Mol Med Rep 2017; 15:3969-3976. [PMID: 28487939 PMCID: PMC5436207 DOI: 10.3892/mmr.2017.6544] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2016] [Accepted: 01/30/2017] [Indexed: 11/27/2022] Open
Abstract
The aim of the present study was to screen potential key genes associated with osteoporotic fracture healing. The microarray data from the Gene Expression Omnibus database accession number GSE51686, were downloaded and used to identify differentially expressed genes (DEGs) in fracture callus tissue samples obtained from the femora of type I collagen (Col1a1)-kringle containing transmembrane protein 2 (Krm2) mice and low density lipoprotein receptor-related protein 5−/− (Lrp5−/−) transgenic mice of osteoporosis compared with those in wild-type (WT) mice. Enrichment analysis was performed to reveal the DEG function. In addition, protein-protein interactions (PPIs) of DEGs were analyzed using the Search Tool for the Retrieval of Interacting Genes database. The coexpression associations between hub genes in the PPI network were investigated, and a coexpression network was constructed. A total of 841 DEGs (335 upregulated and 506 downregulated) were identified in the Col1a1-Krm2 vs. the WT group, and 50 DEGs (16 upregulated and 34 downregulated) were identified in the Lrp5−/− vs. the WT group. The DEGs in Col1a1-Krm2 mice were primarily associated with immunity and cell adhesion (GO: 0007155) functions. By contrast, the DEGs in Lrp5−/− mice were significantly associated with muscle system process (GO: 0003012) and regulation of transcription (GO: 0006355). In addition, a series of DEGs demonstrated a higher score in the PPI network, and were observed to be coexpressed in the coexpression network, and included thrombospondin 2 (Thbs2), syndecan 2 (Sdc2), FK506 binding protein 10 (Fkbp10), 2–5-oligoadneylate synthase-like protein 2 (Oasl2), interferon induced protein with tetratricopeptide repeats (Ifit) 1 and Ifit2. Thbs2 and Sdc2 were significantly correlated with extracellular matrix-receptor interactions. The results suggest that Thbs2, Sdc2, Fkbp10, Oasl2, Ifit1 and Ifit2 may serve important roles during the fracture healing process in osteoporosis. In addition, this is the first study to demonstrate that Sdc2, Fkbp10, Oasl2, Ifit1 and Ifit2 may be associated with osteoporotic fracture healing.
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Affiliation(s)
- Feng Gao
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
| | - Feng Xu
- Department of Spine Surgery, The First Hospital of Jilin University, Changchun, Jilin 130021, P.R. China
| | - Dankai Wu
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
| | - Jieping Cheng
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
| | - Peng Xia
- Department of Orthopedics, The Second Hospital of Jilin University, Changchun, Jilin 130041, P.R. China
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Craft CS, Scheller EL. Evolution of the Marrow Adipose Tissue Microenvironment. Calcif Tissue Int 2017; 100:461-475. [PMID: 27364342 PMCID: PMC5618436 DOI: 10.1007/s00223-016-0168-9] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2016] [Accepted: 06/21/2016] [Indexed: 12/29/2022]
Abstract
Adipocytes of the marrow adipose tissue (MAT) are distributed throughout the skeleton, are embedded in extracellular matrix, and are surrounded by cells of the hematopoietic and osteogenic lineages. MAT is a persistent component of the skeletal microenvironment and has the potential to impact local processes including bone accrual and hematopoietic function. In this review, we discuss the initial evolution of MAT in vertebrate lineages while emphasizing comparisons to the development of peripheral adipose, hematopoietic, and skeletal tissues. We then apply these evolutionary clues to define putative functions of MAT. Lastly, we explore the regulation of MAT by two major components of its microenvironment, the extracellular matrix and the nerves embedded within. The extracellular matrix and nerves contribute to both rapid and continuous modification of the MAT niche and may help to explain evolutionary conserved mechanisms underlying the coordinated regulation of blood, bone, and MAT within the skeleton.
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Affiliation(s)
- Clarissa S Craft
- Department of Cell Biology & Physiology, Washington University, Saint Louis, MO, 63110, USA
- Division of Bone and Mineral Diseases, Department of Internal Medicine, Washington University, Saint Louis, MO, 63110, USA
| | - Erica L Scheller
- Department of Cell Biology & Physiology, Washington University, Saint Louis, MO, 63110, USA.
- Division of Bone and Mineral Diseases, Department of Internal Medicine, Washington University, Saint Louis, MO, 63110, USA.
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Thakur R, Mishra DP. Matrix reloaded: CCN, tenascin and SIBLING group of matricellular proteins in orchestrating cancer hallmark capabilities. Pharmacol Ther 2016; 168:61-74. [DOI: 10.1016/j.pharmthera.2016.09.002] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Ciceri P, Elli F, Cappelletti L, Tosi D, Savi F, Bulfamante G, Cozzolino M. Osteonectin (SPARC) Expression in Vascular Calcification: In Vitro and Ex Vivo Studies. Calcif Tissue Int 2016; 99:472-480. [PMID: 27339669 DOI: 10.1007/s00223-016-0167-x] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Accepted: 06/16/2016] [Indexed: 01/27/2023]
Abstract
Osteonectin, also termed SPARC, is a noncollagenous protein of bone matrix. Since there are controversial results regarding its role during the process of vascular calcification, we investigated osteonectin expression in our in vitro calcification model. Rat vascular smooth muscle cells (VSMCs) were challenged with high phosphate (5 mmol/L Pi) and analyzed quantifying calcium levels, through immunohistochemical studies, and studying gene expression. We detected a peak of osteonectin expression at day 7 in cell treated with high phosphate. The time course of calcium deposition, reflected the expression of osteonectin, resulting extensively present at day 7. On the contrary, the expression of the mitotic marker Ki-67 had a peak at day 4, showing no correlation between osteonectin and cell proliferation. Moreover, 7 days was the time point in which Cbfα1/RUNX-2 had its maximal expression. Furthermore, ascorbic acid increased osteonectin expression, supporting a procalcifying role for this protein. Next we decided to study osteonectin expression ex vivo in fetal, adult not calcified, and adult calcific vessels. Immunohistochemical studies demonstrated a spread and strong reactivity in VSMCs of a 20-week fetus, confirming that osteonectin may have a potential role in regulation of mitosis and in cell differentiation. In adult not calcified arteries, osteonectin was constitutively expressed and its levels increased in atherosclerotic and in calcified plaques, where it could have a regulatory role in the calcification process. Our in vitro and ex vivo data show osteonectin expression during the calcification process and suggest its potential role as procalcifying factor.
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Affiliation(s)
- Paola Ciceri
- Laboratory of Experimental Nephrology, Department of Health Sciences, San Paolo Hospital, University of Milan, Via A. di Rudinì,8, 20142, Milan, Italy
| | - Francesca Elli
- Laboratory of Experimental Nephrology, Department of Health Sciences, San Paolo Hospital, University of Milan, Via A. di Rudinì,8, 20142, Milan, Italy
| | - Laura Cappelletti
- Laboratory of Experimental Nephrology, Department of Health Sciences, San Paolo Hospital, University of Milan, Via A. di Rudinì,8, 20142, Milan, Italy
| | - Delfina Tosi
- Unit of Human Pathology, Department of Health Sciences, University of Milan, Milan, Italy
| | - Federica Savi
- Unit of Human Pathology, Department of Health Sciences, University of Milan, Milan, Italy
| | - Gaetano Bulfamante
- Unit of Human Pathology, Department of Health Sciences, University of Milan, Milan, Italy
| | - Mario Cozzolino
- Laboratory of Experimental Nephrology, Department of Health Sciences, San Paolo Hospital, University of Milan, Via A. di Rudinì,8, 20142, Milan, Italy.
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Hashimoto N, Sato T, Yajima T, Fujita M, Sato A, Shimizu Y, Shimada Y, Shoji N, Sasano T, Ichikawa H. SPARCL1-containing neurons in the human brainstem and sensory ganglion. Somatosens Mot Res 2016; 33:112-7. [PMID: 27357901 DOI: 10.1080/08990220.2016.1197115] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Secreted protein, acidic and rich in cysteine-like 1 (SPARCL1) is a member of the osteonectin family of proteins. In this study, immunohistochemistry for SPARCL1 was performed to obtain its distribution in the human brainstem, cervical spinal cord, and sensory ganglion. SPARCL1-immunoreactivity was detected in neuronal cell bodies including perikarya and proximal dendrites, and the neuropil. The motor nuclei of the IIIrd, Vth, VIth, VIIth, IXth, Xth, XIth, and XIIth cranial nerves and spinal nerves contained many SPARCL1-immunoreactive (-IR) neurons with medium-sized to large cell bodies. Small and medium-sized SPARCL1-IR neurons were distributed in sensory nuclei of the Vth, VIIth, VIIIth, IXth, and Xth cranial nerves. In the medulla oblongata, the dorsal column nuclei also had small to medium-sized SPARCL1-IR neurons. In addition, SPARCL1-IR neurons were detected in the nucleus of the trapezoid body and pontine nucleus within the pons and the arcuate nucleus in the medulla oblongata. In the cervical spinal cord, the ventral horn contained some SPARCL1-IR neurons with large cell bodies. These findings suggest that SPARCL1-containing neurons function to relay and regulate motor and sensory signals in the human brainstem. In the dorsal root (DRG) and trigeminal ganglia (TG), primary sensory neurons contained SPARCL1-immunoreactivity. The proportion of SPARCL1-IR neurons in the TG (mean ± SD, 39.9 ± 2.4%) was higher than in the DRG (30.6 ± 2.1%). SPARCL1-IR neurons were mostly medium-sized to large (mean ± SD, 1494.5 ± 708.3 μm(2); range, 320.4-4353.4 μm(2)) in the DRG, whereas such neurons were of various cell body sizes in the TG (mean ± SD, 1291.2 ± 532.8 μm(2); range, 209.3-4326.4 μm(2)). There appears to be a SPARCL1-containing sensory pathway in the ganglion and brainstem of the spinal and trigeminal nervous systems.
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Affiliation(s)
- Naoya Hashimoto
- a Division of Oral Diagnosis , Graduate School of Dentistry, Tohoku University , Sendai , Japan
| | - Tadasu Sato
- b Division of Oral and Craniofacial Anatomy , Graduate School of Dentistry, Tohoku University , Sendai , Japan
| | - Takehiro Yajima
- c Division of Operative Dentistry , Graduate School of Dentistry, Tohoku University , Sendai , Japan
| | - Masatoshi Fujita
- d Division of Dental Anesthesiology and Pain Management , Graduate School of Dentistry, Tohoku University , Sendai , Japan
| | - Ayumi Sato
- b Division of Oral and Craniofacial Anatomy , Graduate School of Dentistry, Tohoku University , Sendai , Japan
| | - Yoshinaka Shimizu
- b Division of Oral and Craniofacial Anatomy , Graduate School of Dentistry, Tohoku University , Sendai , Japan
| | - Yusuke Shimada
- a Division of Oral Diagnosis , Graduate School of Dentistry, Tohoku University , Sendai , Japan
| | - Noriaki Shoji
- a Division of Oral Diagnosis , Graduate School of Dentistry, Tohoku University , Sendai , Japan
| | - Takashi Sasano
- a Division of Oral Diagnosis , Graduate School of Dentistry, Tohoku University , Sendai , Japan
| | - Hiroyuki Ichikawa
- b Division of Oral and Craniofacial Anatomy , Graduate School of Dentistry, Tohoku University , Sendai , Japan
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Pinto PIS, Estêvão MD, Andrade A, Santos S, Power DM. Tissue responsiveness to estradiol and genistein in the sea bass liver and scale. J Steroid Biochem Mol Biol 2016; 158:127-137. [PMID: 26718875 DOI: 10.1016/j.jsbmb.2015.12.023] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/06/2015] [Revised: 12/16/2015] [Accepted: 12/18/2015] [Indexed: 01/17/2023]
Abstract
As in mammals, estrogens in fish are essential for reproduction but also important regulators of mineral homeostasis. Fish scales are a non-conventional target tissue responsive to estradiol and constitute a good model to study mineralized tissues effects and mechanisms of action of estrogenic compounds, including phytoestrogens. The responsiveness to estradiol and the phytoestrogen genistein, was compared between the scales and the liver, a classical estrogenic target, in sea bass (Dicentrarchus labrax). Injection with estradiol and genistein significantly increased circulating vitellogenin (for both compounds) and mineral levels (estradiol only) and genistein also significantly increased scale enzymatic activities suggesting it increased mineral turnover. The repertoire, abundance and estrogenic regulation of nuclear estrogen receptors (ESR1, 2a and 2b) and membrane G-protein receptors (GPER and GPER-like) were different between liver and scales, which presumably explains the tissue-specific changes detected in estrogen-responsive gene expression. In scales changes in gene expression mainly consisted of small rapid increases, while in liver strong, sustained increases/decreases in gene expression occurred. Similar but not overlapping gene expression changes were observed in response to both estradiol and genistein. This study demonstrates for the first time the expression of membrane estrogen receptors in scales and that estrogens and phytoestrogens, to which fish may be exposed in the wild or in aquaculture, both affect liver and mineralized tissues in a tissue-specific manner.
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Affiliation(s)
- Patrícia I S Pinto
- CCMAR-Centro de Ciências do Mar, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal.
| | - M Dulce Estêvão
- CCMAR-Centro de Ciências do Mar, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal; Escola Superior de Saúde, Universidade do Algarve, Av. Dr. Adelino da Palma Carlos, 8000-510 Faro, Portugal
| | - André Andrade
- CCMAR-Centro de Ciências do Mar, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Soraia Santos
- CCMAR-Centro de Ciências do Mar, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
| | - Deborah M Power
- CCMAR-Centro de Ciências do Mar, Universidade do Algarve, Campus de Gambelas, 8005-139 Faro, Portugal
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SPARC/osteonectin in mineralized tissue. Matrix Biol 2016; 52-54:78-87. [PMID: 26851678 DOI: 10.1016/j.matbio.2016.02.001] [Citation(s) in RCA: 180] [Impact Index Per Article: 22.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2015] [Revised: 02/02/2016] [Accepted: 02/02/2016] [Indexed: 01/04/2023]
Abstract
Secreted protein acidic and rich in cysteine (SPARC/osteonectin/BM40) is one of the most abundant non-collagenous protein expressed in mineralized tissues. This review will focus on elucidating functional roles of SPARC in bone formation building upon results from non-mineralized cells and tissues, the phenotype of SPARC-null bones, and recent discoveries of human diseases with either dysregulated expression of SPARC or mutations in the gene encoding SPARC that give rise to bone pathologies. The capacity of SPARC to influence pathways involved in extracellular matrix assembly such as procollagen processing and collagen fibril formation as well as the capacity to influence osteoblast differentiation and osteoclast activity will be addressed. In addition, the potential for SPARC to regulate cross-linking of extracellular matrix proteins by members of the transglutaminase family of enzymes is explored. Elucidating defined biological functions of SPARC in terms of bone formation and turnover are critical. Further insight into specific cellular mechanisms involved in the formation and homeostasis of mineralized tissues will lead to a better understanding of disease progression.
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40
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Morgan S, Poundarik AA, Vashishth D. Do Non-collagenous Proteins Affect Skeletal Mechanical Properties? Calcif Tissue Int 2015; 97:281-91. [PMID: 26048282 PMCID: PMC4527887 DOI: 10.1007/s00223-015-0016-3] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/03/2015] [Accepted: 05/19/2015] [Indexed: 01/14/2023]
Abstract
The remarkable mechanical behavior of bone is attributed to its complex nanocomposite structure that, in addition to mineral and collagen, comprises a variety of non-collagenous matrix proteins or NCPs. Traditionally, NCPs have been studied as signaling molecules in biological processes including bone formation, resorption, and turnover. Limited attention has been given to their role in determining the mechanical properties of bone. Recent studies have highlighted that NCPs can indeed be lost or modified with aging, diseases, and drug therapies. Homozygous and heterozygous mice models of key NCP provide a useful approach to determine the impact of NCPs on bone morphology as well as matrix quality, and to carry out detailed mechanical analysis for elucidating the pathway by which NCPs can affect the mechanical properties of bone. In this article, we present a systematic analysis of a large cohort of NCPs on bone's structural and material hierarchy, and identify three principal pathways by which they determine bone's mechanical properties. These pathways include alterations of bone morphological parameters crucial for bone's structural competency, bone quality changes in key matrix parameters (mineral and collagen), and a direct role as load-bearing structural proteins.
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Affiliation(s)
| | | | - Deepak Vashishth
- Address correspondence to: Deepak Vashishth, PhD, Director of Center for Biotechnology & Interdisciplinary Studies Rm 2213, Professor of Biomedical Engineering, Rensselaer Polytechnic Institute, 110 8th Street, Troy NY 12180, USA, Phone: 518-276-2296,
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Jeong SY, Ha J, Lee M, Jin HJ, Kim DH, Choi SJ, Oh W, Yang YS, Kim JS, Kim BG, Chang JH, Cho DH, Jeon HB. Autocrine Action of Thrombospondin-2 Determines the Chondrogenic Differentiation Potential and Suppresses Hypertrophic Maturation of Human Umbilical Cord Blood-Derived Mesenchymal Stem Cells. Stem Cells 2015; 33:3291-303. [PMID: 26235673 DOI: 10.1002/stem.2120] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2015] [Accepted: 06/30/2015] [Indexed: 12/13/2022]
Abstract
Previous studies have shown that mesenchymal stem cell (MSC)-based therapies have varying efficacies for the treatment of various diseases, including cartilage defects. In this study, we demonstrated that the chondrogenic differentiation potential of human umbilical cord blood-derived MSCs (hUCB-MSCs) obtained from different individual donors varies, and we investigated the molecular basis for this variation. Microarray gene expression analysis identified thrombospondin-2 (TSP2) as a candidate gene underlying the interindividual variation in the chondrogenic differentiation potential of hUCB-MSCs. To assess the association between TSP-2 and the differentiation potential, we evaluated chondrogenic differentiation of hUCB-MSCs treated with TSP2 siRNA. In addition, we studied the effect of supplementing exogenous recombinant TSP-2 on TSP2 siRNA-treated hUCB-MSCs. We found that TSP-2 autocrinally promoted chondrogenic differentiation of hUCB-MSCs via the Notch signaling pathway, which was confirmed in MSCs from other sources such as bone marrow and adipose tissue. Interestingly, we observed that TSP-2 attenuated hypertrophy, which inevitably occurs during chondrogenic differentiation of hUCB-MSCs. Our findings indicated that the variable chondrogenic differentiation potential of MSCs obtained from different donors is influenced by the TSP-2 level in the differentiating cells. Thus, the TSP-2 level can be used as a marker to select MSCs with superior chondrogenic differentiation potential for use in cartilage regeneration therapy.
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Affiliation(s)
- Sang Young Jeong
- Biomedical Research Institute, R&D Center, MEDIPOST Co., Ltd., Gyeonggi-do, Republic of Korea
| | - Jueun Ha
- Biomedical Research Institute, R&D Center, MEDIPOST Co., Ltd., Gyeonggi-do, Republic of Korea
| | - Miyoung Lee
- Biomedical Research Institute, R&D Center, MEDIPOST Co., Ltd., Gyeonggi-do, Republic of Korea
| | - Hye Jin Jin
- Biomedical Research Institute, R&D Center, MEDIPOST Co., Ltd., Gyeonggi-do, Republic of Korea
| | - Dong Hyun Kim
- Biomedical Research Institute, R&D Center, MEDIPOST Co., Ltd., Gyeonggi-do, Republic of Korea
| | - Soo Jin Choi
- Biomedical Research Institute, R&D Center, MEDIPOST Co., Ltd., Gyeonggi-do, Republic of Korea
| | - Wonil Oh
- Biomedical Research Institute, R&D Center, MEDIPOST Co., Ltd., Gyeonggi-do, Republic of Korea
| | - Yoon Sun Yang
- Biomedical Research Institute, R&D Center, MEDIPOST Co., Ltd., Gyeonggi-do, Republic of Korea
| | - Jae-Sung Kim
- Division of Radiation Cancer Research, Korea Institute of Radiological and Medical Sciences, Seoul, Republic of Korea
| | - Byung-Gyu Kim
- Leading-edge Research Center for Drug Discovery and Development for Diabetes and Metabolic Disease, School of Medicine, Kyungpook National University Hospital, Daegu, Republic of Korea
| | - Jeong Ho Chang
- Department of Biology, Teachers College, Kyungpook National University, Daegu, Republic of Korea
| | - Dong-Hyung Cho
- Graduate School of East-West Medical Science, Kyung Hee University, Seoul, Republic of Korea
| | - Hong Bae Jeon
- Biomedical Research Institute, R&D Center, MEDIPOST Co., Ltd., Gyeonggi-do, Republic of Korea
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Denninger KCM, Litman T, Marstrand T, Moller K, Svensson L, Labuda T, Andersson Å. Kinetics of gene expression and bone remodelling in the clinical phase of collagen-induced arthritis. Arthritis Res Ther 2015; 17:43. [PMID: 25889670 PMCID: PMC4391727 DOI: 10.1186/s13075-015-0531-7] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2014] [Accepted: 01/19/2015] [Indexed: 01/08/2023] Open
Abstract
Introduction Pathological bone changes differ considerably between inflammatory arthritic diseases and most studies have focused on bone erosion. Collagen-induced arthritis (CIA) is a model for rheumatoid arthritis, which, in addition to bone erosion, demonstrates bone formation at the time of clinical manifestations. The objective of this study was to use this model to characterise the histological and molecular changes in bone remodelling, and relate these to the clinical disease development. Methods A histological and gene expression profiling time-course study on bone remodelling in CIA was linked to onset of clinical symptoms. Global gene expression was studied with a gene chip array system. Results The main histopathological changes in bone structure and inflammation occurred during the first two weeks following the onset of clinical symptoms in the joint. Hereafter, the inflammation declined and remodelling of formed bone dominated. Global gene expression profiling showed simultaneous upregulation of genes related to bone changes and inflammation in week 0 to 2 after onset of clinical disease. Furthermore, we observed time-dependent expression of genes involved in early and late osteoblast differentiation and function, which mirrored the histopathological bone changes. The differentially expressed genes belong to the bone morphogenetic pathway (BMP) and, in addition, include the osteoblast markers integrin-binding sialoprotein (Ibsp), bone gamma-carboxyglutamate protein (Bglap1), and secreted phosphoprotein 1 (Spp1). Pregnancy-associated protein A (Pappa) and periostin (Postn), differentially expressed in the early disease phase, are proposed to participate in bone formation, and we suggest that they play a role in early bone formation in the CIA model. Comparison to human genome-wide association studies (GWAS) revealed differential expression of several genes associated with human arthritis. Conclusions In the CIA model, bone formation in the joint starts shortly after onset of clinical symptoms, which results in bony fusion within one to two weeks. This makes it a candidate model for investigating the relationship between inflammation and bone formation in inflammatory arthritis. Electronic supplementary material The online version of this article (doi:10.1186/s13075-015-0531-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Katja C M Denninger
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, Copenhagen, Ø DK-2100, Denmark. .,Disease Pharmacology/Molecular Biomedicine, LEO Pharma A/S, Industriparken 55, Ballerup, DK-2750, Denmark.
| | - Thomas Litman
- Disease Pharmacology/Molecular Biomedicine, LEO Pharma A/S, Industriparken 55, Ballerup, DK-2750, Denmark.
| | - Troels Marstrand
- Disease Pharmacology/Molecular Biomedicine, LEO Pharma A/S, Industriparken 55, Ballerup, DK-2750, Denmark.
| | - Kristian Moller
- Disease Pharmacology/Molecular Biomedicine, LEO Pharma A/S, Industriparken 55, Ballerup, DK-2750, Denmark.
| | - Lars Svensson
- Disease Pharmacology/Molecular Biomedicine, LEO Pharma A/S, Industriparken 55, Ballerup, DK-2750, Denmark.
| | - Tord Labuda
- Disease Pharmacology/Molecular Biomedicine, LEO Pharma A/S, Industriparken 55, Ballerup, DK-2750, Denmark.
| | - Åsa Andersson
- Department of Drug Design and Pharmacology, Faculty of Health and Medical Sciences, University of Copenhagen, Universitetsparken 2, Copenhagen, Ø DK-2100, Denmark.
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Kim KJ, Lee S, Kim WU. Applications of systems approaches in the study of rheumatic diseases. Korean J Intern Med 2015; 30:148-60. [PMID: 25750554 PMCID: PMC4351319 DOI: 10.3904/kjim.2015.30.2.148] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/30/2014] [Accepted: 12/23/2014] [Indexed: 12/27/2022] Open
Abstract
The complex interaction of molecules within a biological system constitutes a functional module. These modules are then acted upon by both internal and external factors, such as genetic and environmental stresses, which under certain conditions can manifest as complex disease phenotypes. Recent advances in high-throughput biological analyses, in combination with improved computational methods for data enrichment, functional annotation, and network visualization, have enabled a much deeper understanding of the mechanisms underlying important biological processes by identifying functional modules that are temporally and spatially perturbed in the context of disease development. Systems biology approaches such as these have produced compelling observations that would be impossible to replicate using classical methodologies, with greater insights expected as both the technology and methods improve in the coming years. Here, we examine the use of systems biology and network analysis in the study of a wide range of rheumatic diseases to better understand the underlying molecular and clinical features.
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Affiliation(s)
- Ki-Jo Kim
- Division of Rheumatology, Department of Internal Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Suwon, Korea
| | - Saseong Lee
- POSTECH-CATHOLIC BioMedical Engineering Institute, The Catholic University of Korea, Seoul, Korea
| | - Wan-Uk Kim
- POSTECH-CATHOLIC BioMedical Engineering Institute, The Catholic University of Korea, Seoul, Korea
- Division of Rheumatology, Department of Internal Medicine, Seoul St. Mary's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
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Roberto VP, Tiago DM, Silva IAL, Cancela ML. MiR-29a is an enhancer of mineral deposition in bone-derived systems. Arch Biochem Biophys 2014; 564:173-83. [PMID: 25241053 DOI: 10.1016/j.abb.2014.09.006] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2014] [Revised: 09/07/2014] [Accepted: 09/10/2014] [Indexed: 01/04/2023]
Abstract
MicroRNAs (miRNAs) provide a mechanism for fine-tuning of intricate cellular processes through post-transcriptional regulation. Emerging evidences indicate that miRNAs play key roles in regulation of osteogenesis. The miR-29 family was previously implicated in mammalian osteoblast differentiation by targeting extracellular matrix molecules and modulating Wnt signaling. Nevertheless, the function of miR-29 in bone formation and homeostasis is not completely understood. Here, we provide novel insights into the biological effect of miR-29a overexpression in a mineralogenic cell system (ABSa15). MiR-29a gain-of-function resulted in significant increase of extracellular matrix mineralization, probably due to accelerated differentiation. We also demonstrated for the first time that miR-29a induced β-catenin protein levels, implying a stimulation of canonical Wnt signaling. Our data also suggests that SPARC is a conserved target of miR-29a, and may contribute to the phenotype observed in ABSa15 cells. Finally, we provide evidences for miR-29a conservation throughout evolution based on sequence homology, synteny analysis and expression patterns. Concluding, miR-29a is a key player in osteogenic differentiation, leading to increased mineralization in vitro, and this function seems to be conserved throughout vertebrate evolution by interaction with canonical Wnt signaling and conservation of targets.
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Affiliation(s)
- V P Roberto
- Centre of Marine Sciences, University of Algarve, Faro, Portugal; PhD Program in Biomedical Sciences, DCBM, University of Algarve, Portugal.
| | - D M Tiago
- Centre of Marine Sciences, University of Algarve, Faro, Portugal.
| | - I A L Silva
- Centre of Marine Sciences, University of Algarve, Faro, Portugal; PhD Program in Biomedical Sciences, DCBM, University of Algarve, Portugal.
| | - M L Cancela
- Centre of Marine Sciences, University of Algarve, Faro, Portugal; Department of Biomedical Sciences and Medicine, University of Algarve, Faro, Portugal.
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Abstract
Sexual maturation and somatic growth cessation are associated with adolescent development, which is precisely controlled by interconnected neuroendocrine regulatory pathways in the endogenous endocrine system. The pituitary gland is one of the key regulators of the endocrine system. By analyzing the RNA sequencing (RNA-seq) transcriptome before and after sexual maturation, in this study, we characterized the global gene expression patterns in zebrafish pituitaries at 45 and 90 days post-fertilization (dpf). A total of 15 043 annotated genes were expressed in the pituitary tissue, 3072 of which were differentially expressed with a greater than or equal to twofold change between pituitaries at 45 and 90 dpf. In the pituitary transcriptome, the most abundant transcript was gh. The expression levels of gh remained high even after sexual maturation at 90 dpf. Among the eight major pituitary hormone genes, lhb was the only gene that exhibited a significant change in its expression levels between 45 and 90 dpf. Significant changes in the pituitary transcripts included genes involved in the regulation of immune responses, bone metabolism, and hormone secretion processes during the juvenile-sexual maturity transition. Real-time quantitative PCR analysis was carried out to verify the RNA-seq transcriptome results and demonstrated that the expression patterns of the eight major pituitary hormone genes did not exhibit a significant gender difference at 90 dpf. For the first time, we report the quantitative global gene expression patterns at the juvenile and sexual maturity stages. These expression patterns may account for the dynamic neuroendocrine regulation observed in body metabolism.
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Affiliation(s)
- Wenxia He
- Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of SciencesInstitute of Hydrobiology, Chinese Academy of Sciences, 7 Donghu South Road, Wuhan, Hubei 430072, People's Republic of ChinaUniversity of Chinese Academy of SciencesBeijing, People's Republic of ChinaKey Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of SciencesInstitute of Hydrobiology, Chinese Academy of Sciences, 7 Donghu South Road, Wuhan, Hubei 430072, People's Republic of ChinaUniversity of Chinese Academy of SciencesBeijing, People's Republic of China
| | - Xiangyan Dai
- Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of SciencesInstitute of Hydrobiology, Chinese Academy of Sciences, 7 Donghu South Road, Wuhan, Hubei 430072, People's Republic of ChinaUniversity of Chinese Academy of SciencesBeijing, People's Republic of ChinaKey Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of SciencesInstitute of Hydrobiology, Chinese Academy of Sciences, 7 Donghu South Road, Wuhan, Hubei 430072, People's Republic of ChinaUniversity of Chinese Academy of SciencesBeijing, People's Republic of China
| | - Xiaowen Chen
- Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of SciencesInstitute of Hydrobiology, Chinese Academy of Sciences, 7 Donghu South Road, Wuhan, Hubei 430072, People's Republic of ChinaUniversity of Chinese Academy of SciencesBeijing, People's Republic of ChinaKey Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of SciencesInstitute of Hydrobiology, Chinese Academy of Sciences, 7 Donghu South Road, Wuhan, Hubei 430072, People's Republic of ChinaUniversity of Chinese Academy of SciencesBeijing, People's Republic of China
| | - Jiangyan He
- Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of SciencesInstitute of Hydrobiology, Chinese Academy of Sciences, 7 Donghu South Road, Wuhan, Hubei 430072, People's Republic of ChinaUniversity of Chinese Academy of SciencesBeijing, People's Republic of China
| | - Zhan Yin
- Key Laboratory of Aquatic Biodiversity and Conservation of Chinese Academy of SciencesInstitute of Hydrobiology, Chinese Academy of Sciences, 7 Donghu South Road, Wuhan, Hubei 430072, People's Republic of ChinaUniversity of Chinese Academy of SciencesBeijing, People's Republic of China
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Palmer GD, Attur MG, Yang Q, Liu J, Moon P, Beier F, Abramson SB. F-spondin deficient mice have a high bone mass phenotype. PLoS One 2014; 9:e98388. [PMID: 24875054 PMCID: PMC4038615 DOI: 10.1371/journal.pone.0098388] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2014] [Accepted: 05/02/2014] [Indexed: 01/30/2023] Open
Abstract
F-spondin is a pericellular matrix protein upregulated in developing growth plate cartilage and articular cartilage during osteoarthritis. To address its function in bone and cartilage in vivo, we generated mice that were deficient for the F-spondin gene, Spon1. Spon1−/− mice were viable and developed normally to adulthood with no major skeletal abnormalities. At 6 months, femurs and tibiae of Spon1−/− mice exhibited increased bone mass, evidenced by histological staining and micro CT analyses, which persisted up to 12 months. In contrast, no major abnormalities were observed in articular cartilage at any age group. Immunohistochemical staining of femurs and tibiae revealed increased levels of periostin, alkaline phosphate and tartrate resistant acid phosphatase (TRAP) activity in the growth plate region of Spon1−/− mice, suggesting elevated bone synthesis and turnover. However, there were no differences in serum levels of TRAP, the bone resorption marker, CTX-1, or osteoclast differentiation potential between genotypes. Knockout mice also exhibited reduced levels of TGF-β1 in serum and cultured costal chondrocytes relative to wild type. This was accompanied by increased levels of the BMP-regulatory SMADs, P-SMAD1/5 in tibiae and chondrocytes. Our findings indicate a previously unrecognized role for Spon1 as a negative regulator of bone mass. We speculate that Spon1 deletion leads to a local and systemic reduction of TGF-β levels resulting in increased BMP signaling and increased bone deposition in adult mice.
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Affiliation(s)
- Glyn D Palmer
- Division of Rheumatology, New York University School of Medicine and NYU Hospital for Joint Diseases, New York, New York, United States of America
| | - Mukundan G Attur
- Division of Rheumatology, New York University School of Medicine and NYU Hospital for Joint Diseases, New York, New York, United States of America
| | - Qing Yang
- Division of Rheumatology, New York University School of Medicine and NYU Hospital for Joint Diseases, New York, New York, United States of America
| | - James Liu
- Division of Rheumatology, New York University School of Medicine and NYU Hospital for Joint Diseases, New York, New York, United States of America
| | - Paxton Moon
- Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, The University of Western Ontario, London, Ontario, Canada
| | - Frank Beier
- Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, The University of Western Ontario, London, Ontario, Canada
| | - Steven B Abramson
- Division of Rheumatology, New York University School of Medicine and NYU Hospital for Joint Diseases, New York, New York, United States of America
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47
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Taylor JJ. Protein biomarkers of periodontitis in saliva. ISRN INFLAMMATION 2014; 2014:593151. [PMID: 24944840 PMCID: PMC4040190 DOI: 10.1155/2014/593151] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/24/2013] [Accepted: 11/14/2013] [Indexed: 12/17/2022]
Abstract
Periodontitis is a chronic inflammatory condition of the tissues that surround and support the teeth and is initiated by inappropriate and excessive immune responses to bacteria in subgingival dental plaque leading to loss of the integrity of the periodontium, compromised tooth function, and eventually tooth loss. Periodontitis is an economically important disease as it is time-consuming and expensive to treat. Periodontitis has a worldwide prevalence of 5-15% and the prevalence of severe disease in western populations has increased in recent decades. Furthermore, periodontitis is more common in smokers, in obesity, in people with diabetes, and in heart disease patients although the pathogenic processes underpinning these links are, as yet, poorly understood. Diagnosis and monitoring of periodontitis rely on traditional clinical examinations which are inadequate to predict patient susceptibility, disease activity, and response to treatment. Studies of the immunopathogenesis of periodontitis and analysis of mediators in saliva have allowed the identification of many potentially useful biomarkers. Convenient measurement of these biomarkers using chairside analytical devices could form the basis for diagnostic tests which will aid the clinician and the patient in periodontitis management; this review will summarise this field and will identify the experimental, technical, and clinical issues that remain to be addressed before such tests can be implemented.
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Affiliation(s)
- John J. Taylor
- Institute of Cellular Medicine & Centre for Oral Health Research, School of Dental Sciences, Newcastle University, Framlington Place, Newcastle upon Tyne NE2 4BW, UK
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48
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Hasenbein M, Werner I, Deanovic LA, Geist J, Fritsch EB, Javidmehr A, Foe C, Fangue NA, Connon RE. Transcriptomic profiling permits the identification of pollutant sources and effects in ambient water samples. THE SCIENCE OF THE TOTAL ENVIRONMENT 2014; 468-469:688-698. [PMID: 24061060 DOI: 10.1016/j.scitotenv.2013.08.081] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/07/2013] [Revised: 08/22/2013] [Accepted: 08/24/2013] [Indexed: 06/02/2023]
Abstract
Contaminant exposure is one possible contributor to population declines of endangered fish species in the Sacramento-San Joaquin Estuary, California, including the endangered delta smelt (Hypomesus transpacificus). Herein we investigated transcriptional responses in larval delta smelt resulting from exposure to water samples collected at the Department of Water Resources Field Station at Hood, a site of concern, situated upstream of known delta smelt habitat and spawning sites and downstream of the Sacramento Regional Wastewater Treatment Plant (SRWTP). Microarray assessments indicate impacts on energy metabolism, DNA repair mechanisms and RNA processing, the immune system, development and muscle function. Transcription responses of fish exposed to water samples from Hood were compared with exposures to 9% effluent samples from SRWTP, water from the Sacramento River at Garcia Bend (SRGB), upstream of the effluent discharge, and SRGB water spiked with 2mg/L total ammonium (9% effluent equivalent). Results indicate that transcriptomic profiles from Hood are similar to 9% SRWTP effluent and ammonium spiked SRGB water, but significantly different from SRGB. SRGB samples however were also significantly different from laboratory controls, suggesting that SRWTP effluent is not solely responsible for the responses determined at Hood, that ammonium exposure likely enhances the effect of multiple-contaminant exposures, and that the observed mortality at Hood is due to the combination of both effluent discharge and contaminants arising from upstream of the tested sites.
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Affiliation(s)
- Matthias Hasenbein
- Department of Anatomy, Physiology and Cell Biology, School of Veterinary Medicine, University of California, Davis, CA 95616, USA; Aquatic Systems Biology Unit, Department of Ecology and Ecosystem Management, Technische Universität München, Mühlenweg 22, D-85354 Freising, Germany; Department of Wildlife, Fish & Conservation Biology, University of California, Davis, CA 95616, USA
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49
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Castro FO, Torres A, Cabezas J, Rodríguez-Alvarez L. Combined use of platelet rich plasma and vitamin C positively affects differentiation in vitro to mesodermal lineage of adult adipose equine mesenchymal stem cells. Res Vet Sci 2013; 96:95-101. [PMID: 24377415 DOI: 10.1016/j.rvsc.2013.12.005] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2013] [Revised: 11/27/2013] [Accepted: 12/06/2013] [Indexed: 11/18/2022]
Abstract
Repair of injured soft and hard tissues in horses can benefit greatly from the use of regenerative therapies with mesenchymal stem cells (MSC). Vitamin-C and platelet-rich-plasma had been used for in vitro differentiation of MSC. This study was aimed to evaluate the effect of vitamin-C, platelet-rich-plasma and their combination on the in vitro differentiation of adipose horse MSC. We isolated MSC from horse fat and differentiated them in vitro into osteogenic and chondrogenic lineages, as demonstrated by specific staining and RT-qPCR of selected genes. Combining vitamin-C and plasma-rich-platelet positively affected the ability of MSC to differentiate in vitro into mesodermal lineages during 14 days of culture; this effect was not as marked when differentiation was attempted for 21 days. This provides valuable information on the effect of combined use of these molecules in regenerative therapies and their potential application along stem cells for lesions of musculoskeletal tissue in sport horses.
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Affiliation(s)
- F O Castro
- Department of Animal Science, Facultad de Ciencias Veterinarias, Universidad de Concepción, Avenida Vicente Méndez 595, Chillán, Chile.
| | - A Torres
- Department of Animal Science, Facultad de Ciencias Veterinarias, Universidad de Concepción, Avenida Vicente Méndez 595, Chillán, Chile
| | - J Cabezas
- Department of Animal Science, Facultad de Ciencias Veterinarias, Universidad de Concepción, Avenida Vicente Méndez 595, Chillán, Chile
| | - Ll Rodríguez-Alvarez
- Department of Animal Science, Facultad de Ciencias Veterinarias, Universidad de Concepción, Avenida Vicente Méndez 595, Chillán, Chile
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50
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Thalji GN, Nares S, Cooper LF. Early molecular assessment of osseointegration in humans. Clin Oral Implants Res 2013; 25:1273-1285. [DOI: 10.1111/clr.12266] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/13/2013] [Indexed: 11/29/2022]
Affiliation(s)
| | - Salvador Nares
- Department of Periodontics; University of North Carolina; Chapel Hill NC USA
| | - Lyndon F. Cooper
- Department of Prosthodontics; University of North Carolina; Chapel Hill NC USA
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