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Huang S, Lin Y, Deng Q, Zhang Y, Peng S, Qiu Y, Huang W, Wang Z, Lai X. Suppression of OGN in lung myofibroblasts attenuates pulmonary fibrosis by inhibiting integrin αv-mediated TGF-β/Smad pathway activation. Matrix Biol 2024:S0945-053X(24)00092-1. [PMID: 39019241 DOI: 10.1016/j.matbio.2024.07.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2024] [Accepted: 07/10/2024] [Indexed: 07/19/2024]
Abstract
BACKGROUND Idiopathic pulmonary fibrosis (IPF) represents a severe and progressive manifestation of idiopathic interstitial pneumonia marked by an uncertain etiology along with an unfavorable prognosis. Osteoglycin (OGN), belonging to the small leucine-rich proteoglycans family, assumes pivotal functions in both tissue formation and damage response. However, the roles and potential mechanisms of OGN in the context of lung fibrosis remain unexplored. METHODS The assessment of OGN expression levels in fibrotic lungs was conducted across various experimental lung fibrosis mouse models. To elucidate the effects of OGN on the differentiation of lung myofibroblasts, both OGN knockdown and OGN overexpression were employed in vitro. The expression of integrin αv, along with its colocalization with lysosomes and latency-associated peptide (LAP), was monitored in OGN-knockdown lung myofibroblasts. Furthermore, the role of OGN in lung fibrosis was investigated through OGN knockdown utilizing adeno-related virus serotype 6 (AAV6)-mediated delivery. RESULTS OGN exhibited upregulation in both lungs and myofibroblasts across diverse lung fibrosis mouse models. And laboratory experiments in vitro demonstrated that OGN knockdown inhibited the TGF-β/Smad signaling pathway in lung myofibroblasts. Conversely, OGN overexpression promoted TGF-β/Smad pathway in these cells. Mechanistic insights revealed that OGN knockdown facilitated lysosome-mediated degradation of integrin αv while inhibiting its binding to latency-associated peptide (LAP). Remarkably, AAV6-targeted OGN knockdown ameliorated the extent of lung fibrosis in experimental mouse models. CONCLUSION Our results indicate that inhibiting OGN signaling could serve as a promising therapeutic way for lung fibrosis.
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Affiliation(s)
- Shaojie Huang
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yingying Lin
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Qiwen Deng
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yuanjia Zhang
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Senyi Peng
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China
| | - Yuan Qiu
- Center for Stem Cell Biology and Tissue Engineering, Key Laboratory for Stem Cells and Tissue Engineering, Ministry of Education, Sun Yat-Sen University, Guangzhou, China; Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, China
| | - Wenqi Huang
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.
| | - Zhongxing Wang
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.
| | - Xiaofan Lai
- Department of Anesthesiology, The First Affiliated Hospital, Sun Yat-sen University, Guangzhou, China.
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Nulali J, Zhan M, Zhang K, Tu P, Liu Y, Song H. Osteoglycin: An ECM Factor Regulating Fibrosis and Tumorigenesis. Biomolecules 2022; 12:1674. [PMID: 36421687 PMCID: PMC9687868 DOI: 10.3390/biom12111674] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2022] [Revised: 11/04/2022] [Accepted: 11/10/2022] [Indexed: 08/27/2023] Open
Abstract
The extracellular matrix (ECM) is made up of noncellular components that have special properties for influencing cell behavior and tissue structure. Small leucine-rich proteoglycans (SLRPs) are nonfibrillar ECM components that serve as structural scaffolds and signaling molecules. osteoglycin (OGN), a class III SLRP, is a ubiquitous ECM component that not only helps to organize the extracellular matrix but also regulates a number of important biological processes. As a glycosylated protein in the ECM, OGN was originally considered to be involved in fiber assembly and was reported to have a connection with fibrosis. In addition to these functions, OGN is found in a variety of cancer tissues and is implicated in cellular processes linked to tumorigenesis, including cell proliferation, invasion, metastasis, and epithelial-mesenchymal transition (EMT). In this review, we summarize the structure and functions of OGN as well as its biological and clinical importance in the context of fibrotic illness and tumorigenesis. This review aims to improve our understanding of OGN and provide some new strategies for the treatment of fibrosis and cancer.
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Affiliation(s)
- Jiayida Nulali
- The Core Laboratory in Medical Center of Clinical Research, Department of Molecular Diagnostics and Endocrinology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - Ming Zhan
- The Core Laboratory in Medical Center of Clinical Research, Department of Molecular Diagnostics and Endocrinology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - Kaiwen Zhang
- The Core Laboratory in Medical Center of Clinical Research, Department of Molecular Diagnostics and Endocrinology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - Pinghui Tu
- The Core Laboratory in Medical Center of Clinical Research, Department of Molecular Diagnostics and Endocrinology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
| | - Yu Liu
- Department of Respiration, Yangpu Hospital, Tongji University School of Medicine, Shanghai 200070, China
| | - Huaidong Song
- The Core Laboratory in Medical Center of Clinical Research, Department of Molecular Diagnostics and Endocrinology, Shanghai Ninth People’s Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200011, China
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Troidl K, Hammerschick T, Albarran-Juarez J, Jung G, Schierling W, Tonack S, Krüger M, Matuschke B, Troidl C, Schaper W, Schmitz-Rixen T, Preissner KT, Fischer S. Shear Stress-Induced miR-143-3p in Collateral Arteries Contributes to Outward Vessel Growth by Targeting Collagen V-α2. Arterioscler Thromb Vasc Biol 2020; 40:e126-e137. [PMID: 32188276 DOI: 10.1161/atvbaha.120.313316] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
OBJECTIVE Arteriogenesis, describing the process of collateral artery growth, is activated by fluid shear stress (FSS). Since this vascular mechanotransduction may involve microRNAs (miRNAs), we investigated the FSS-induced expression of vascular cell miRNAs and their functional impact on collateral artery growth during arteriogenesis. Approach and Results: To this end, rats underwent femoral artery ligation and arteriovenous anastomosis to increase collateral blood flow to maximize FSS and trigger collateral vessel remodeling. Five days after surgery, a miRNA expression profile was obtained from collateral tissue, and upregulation of 4 miRNAs (miR-24-3p, miR-143-3p, miR-146a-5p, and miR-195-5p) was verified by quantitative polymerase chain reaction. Knockdown of miRNAs at the same time of the surgery in an in vivo mouse ligation and recovery model demonstrated that inhibition of miR-143-3p only severely impaired blood flow recovery due to decreased arteriogenesis. In situ hybridization revealed distinct localization of miR-143-3p in the vessel wall of growing collateral arteries predominantly in smooth muscle cells. To investigate the mechanotransduction of FSS leading to the increased miR-143-3p expression, cultured endothelial cells were exposed to FSS. This provoked the expression and release of TGF-β (transforming growth factor-β), which increased the expression of miR-143-3p in smooth muscle cells in the presence of SRF (serum response factor) and myocardin. COL5A2 (collagen type V-α2)-a target gene of miR-143-3p predicted by in silico analysis-was found to be downregulated in growing collaterals. CONCLUSIONS These results indicate that the increased miR-143-3p expression in response to FSS might contribute to the reorganization of the extracellular matrix, which is important for vascular remodeling processes, by inhibiting collagen V-α2 biosynthesis.
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Affiliation(s)
- Kerstin Troidl
- From the Department of Pharmacology, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (K.T., J.A.-J., S.T., W. Schaper)
- Department of Vascular and Endovascular Surgery, University Hospital Frankfurt, Germany (K.T., G.J., T.S.-R.)
| | - Thomas Hammerschick
- Department of Biochemistry (T.H., B.M., K.T.P., S.F.), Medical Faculty, Justus-Liebig-University, Giessen, Germany
| | - Julian Albarran-Juarez
- From the Department of Pharmacology, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (K.T., J.A.-J., S.T., W. Schaper)
- Department of Clinical Medicine, Aarhus University, Denmark (J.A.-J.)
| | - Georg Jung
- Department of Vascular and Endovascular Surgery, University Hospital Frankfurt, Germany (K.T., G.J., T.S.-R.)
| | - Wilma Schierling
- Division of Vascular Surgery, University Medical Center Regensburg, Germany (W. Schierling)
| | - Sarah Tonack
- From the Department of Pharmacology, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (K.T., J.A.-J., S.T., W. Schaper)
| | - Marcus Krüger
- CECAD (Cluster of Excellence Cluster at the University of Cologne), University of Cologne, Germany (M.K.)
| | - Benjamin Matuschke
- Department of Biochemistry (T.H., B.M., K.T.P., S.F.), Medical Faculty, Justus-Liebig-University, Giessen, Germany
| | - Christian Troidl
- Department of Experimental Cardiology (C.T.), Medical Faculty, Justus-Liebig-University, Giessen, Germany
- Kerckhoff Heart and Thorax Center, Justus-Liebig-University, Bad Nauheim, Germany (C.T.)
| | - Wolfgang Schaper
- From the Department of Pharmacology, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (K.T., J.A.-J., S.T., W. Schaper)
| | - Thomas Schmitz-Rixen
- Department of Vascular and Endovascular Surgery, University Hospital Frankfurt, Germany (K.T., G.J., T.S.-R.)
| | - Klaus T Preissner
- Department of Biochemistry (T.H., B.M., K.T.P., S.F.), Medical Faculty, Justus-Liebig-University, Giessen, Germany
| | - Silvia Fischer
- Department of Biochemistry (T.H., B.M., K.T.P., S.F.), Medical Faculty, Justus-Liebig-University, Giessen, Germany
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Zappia J, Joiret M, Sanchez C, Lambert C, Geris L, Muller M, Henrotin Y. From Translation to Protein Degradation as Mechanisms for Regulating Biological Functions: A Review on the SLRP Family in Skeletal Tissues. Biomolecules 2020; 10:E80. [PMID: 31947880 PMCID: PMC7023458 DOI: 10.3390/biom10010080] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 12/19/2019] [Accepted: 12/26/2019] [Indexed: 12/27/2022] Open
Abstract
The extracellular matrix can trigger cellular responses through its composition and structure. Major extracellular matrix components are the proteoglycans, which are composed of a core protein associated with glycosaminoglycans, among which the small leucine-rich proteoglycans (SLRPs) are the largest family. This review highlights how the codon usage pattern can be used to modulate cellular response and discusses the biological impact of post-translational events on SLRPs, including the substitution of glycosaminoglycan moieties, glycosylation, and degradation. These modifications are listed, and their impacts on the biological activities and structural properties of SLRPs are described. We narrowed the topic to skeletal tissues undergoing dynamic remodeling.
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Affiliation(s)
- Jérémie Zappia
- Bone and Cartilage Research Unit, Arthropôle Liège, Center for Interdisciplinary research on Medicines (CIRM) Liège, Liège University, Institute of Pathology, CHU Sart-Tilman, 4000 Liège, Belgium; (J.Z.); (C.S.); (C.L.)
| | - Marc Joiret
- Biomechanics Research Unit, B34 GIGA-R, In Silico Medicine, Liège University, CHU Sart-Tilman, 4000 Liège, Belgium; (M.J.); (L.G.)
| | - Christelle Sanchez
- Bone and Cartilage Research Unit, Arthropôle Liège, Center for Interdisciplinary research on Medicines (CIRM) Liège, Liège University, Institute of Pathology, CHU Sart-Tilman, 4000 Liège, Belgium; (J.Z.); (C.S.); (C.L.)
| | - Cécile Lambert
- Bone and Cartilage Research Unit, Arthropôle Liège, Center for Interdisciplinary research on Medicines (CIRM) Liège, Liège University, Institute of Pathology, CHU Sart-Tilman, 4000 Liège, Belgium; (J.Z.); (C.S.); (C.L.)
| | - Liesbet Geris
- Biomechanics Research Unit, B34 GIGA-R, In Silico Medicine, Liège University, CHU Sart-Tilman, 4000 Liège, Belgium; (M.J.); (L.G.)
| | - Marc Muller
- Laboratory for Organogenesis and Regeneration (LOR), GIGA-Research, Liège University, Avenue de l’Hôpital, B-4000 Liège, Belgium;
| | - Yves Henrotin
- Bone and Cartilage Research Unit, Arthropôle Liège, Center for Interdisciplinary research on Medicines (CIRM) Liège, Liège University, Institute of Pathology, CHU Sart-Tilman, 4000 Liège, Belgium; (J.Z.); (C.S.); (C.L.)
- Physical therapy and Rehabilitation department, Princess Paola Hospital, Vivalia, B-6900 Marche-en-Famenne, Belgium
- Artialis SA, GIGA Tower, Level 3, CHU Sart-Tilman, 4000 Liège, Belgium
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van Hinsbergh VWM. Osteoglycin's embracement of VEGF receptor-2 limits angiogenesis and collateralization. Cardiovasc Res 2019; 113:10-12. [PMID: 28069698 DOI: 10.1093/cvr/cvw243] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Affiliation(s)
- Victor W M van Hinsbergh
- Department of Physiology, Institute for Cardiovascular Research, VU University Medical Center, 0/2 Building, De Boelelaan 1118, 1081 HV, Amsterdam, The Netherlands
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6
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Fasehee H, Fakhraee M, Davoudi S, Vali H, Faghihi S. Cancer biomarkers in atherosclerotic plaque: Evidenced from structural and proteomic analyses. Biochem Biophys Res Commun 2019; 509:687-693. [PMID: 30616890 DOI: 10.1016/j.bbrc.2018.12.160] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Accepted: 12/24/2018] [Indexed: 01/01/2023]
Abstract
Atherosclerosis and cancer are the leading causes of mortality around the world that share common pathogenic pathways. The aim of this study is the investigation of the protein profile of atherosclerotic plaque in order to find similar biomarker between cancer and atherosclerosis. The small pieces of human coronary artery containing advanced atherosclerotic plaque is obtained from patients during bypass surgery. Structural characterization of type V plaque, including fibrous connective tissue, necrotic lipid core, cholesterol clefts and calcium deposits are performed using high resolution transmission electron microscopy (HR-TEM). The protein profile of atherosclerosis plaque is also analyzed using 2-dimensional electrophoresis and matrix-assisted laser desorption-ionization time-of-flight (MALDI-TOF). TEM analysis shows that vascular smooth muscle cells (VSMCs) exhibit different and uncommon morphologies in atherosclerotic plaque which is correlated to the proliferative state of the cells. The proteomics analysis reveals proteins related to atherosclerosis formation including Mimecan, Ras Suppressor Protein-1 (RSUP-1) and Cathepsin D which identified as biomarker of cancerous tumors. The expression of Mimecan and RSUP-1 is down-regulated in atherosclerotic plaque while the expression of Cathepsin D is up-regulated. These data support that atherosclerotic plaque presents some degree of tumorgenesis with the significant activity of VSMCs as the key player in atherogenesis.
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Affiliation(s)
- Hamidreza Fasehee
- Stem Cell and Regenerative Medicine Group, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, 14965/161, Iran
| | - Mahsa Fakhraee
- Stem Cell and Regenerative Medicine Group, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, 14965/161, Iran
| | - Saeed Davoudi
- Tehran Heart Center, Tehran University of Medical Sciences (TUMS), Tehran, 1411713138, Iran
| | - Hojatollah Vali
- Department of Anatomy and Cell Biology, McGill University, 3640 University Street, Montréal, QC H3A 0C7, Canada; Facility for Electron Microscopy Research, McGill University, 3640 University Street, Montréal, QC H3A 0C7, Canada
| | - Shahab Faghihi
- Stem Cell and Regenerative Medicine Group, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, 14965/161, Iran.
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7
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Wei W, Tu M, Huang R, Chen T. Serum osteoinductive factor is associated with microalbuminuria and diabetic nephropathy in type 2 diabetes. Medicine (Baltimore) 2018; 97:e11759. [PMID: 30075597 PMCID: PMC6081076 DOI: 10.1097/md.0000000000011759] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/25/2022] Open
Abstract
We investigated the relationship between serum osteoinductive factor (OIF) and diabetic nephropathy (DN), and its potential use as a diagnostic marker for DN.This study included 177 patients with type 2 diabetes mellitus (T2DM) with normoalbuminuria, 42 with DN and microalbuminuria, and 49 with DN and macroalbuminuria, as well as 296 controls. Baseline characteristics, microalbuminuria prevalence, macroalbuminuria prevalence, and diabetic complications were compared between OIF quartiles. Serum OIF was examined by enzyme-linked immunosorbent assay. Other clinical parameters were measured using standard methods. Correlations between OIF and clinical parameters were assessed using Pearson correlation. Predictive value of OIF for DN was assessed using multivariate logistic regression. Receiver operator characteristic (ROC) curves were used to identify the optimal sensitivity for serum OIF.Univariate analysis showed microalbuminuria prevalence negatively correlated with OIF, 4.3% for quartile 1 (Q1) (>367.5 pg/mL), 13.7% for Q2 (320.3-367.5 pg/mL), 17.9% for Q3 (275.0-320.3 pg/mL), and 28.8% for Q4 (<275.0 pg/mL) (Ptrend < .001), as did T2DM complications. ROC analysis showed an OIF of <343.4 pg/mL was predictive of DN (C statistic 0.702). OIF <343.4 pg/mL remained predictive of microalbuminuria (odds ratio = 11.60; 95% confidence interval: 1.25-107.47) after adjusting for confounding factors.Serum OIF is an independent diagnostic marker of DN.
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Schneider KH, Enayati M, Grasl C, Walter I, Budinsky L, Zebic G, Kaun C, Wagner A, Kratochwill K, Redl H, Teuschl AH, Podesser BK, Bergmeister H. Acellular vascular matrix grafts from human placenta chorion: Impact of ECM preservation on graft characteristics, protein composition and in vivo performance. Biomaterials 2018; 177:14-26. [PMID: 29885585 DOI: 10.1016/j.biomaterials.2018.05.045] [Citation(s) in RCA: 45] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2018] [Revised: 05/18/2018] [Accepted: 05/26/2018] [Indexed: 02/06/2023]
Abstract
Small diameter vascular grafts from human placenta, decellularized with either Triton X-100 (Triton) or SDS and crosslinked with heparin were constructed and characterized. Graft biochemical properties, residual DNA, and protein composition were evaluated to compare the effect of the two detergents on graft matrix composition and structural alterations. Biocompatibility was tested in vitro by culturing the grafts with primary human macrophages and in vivo by subcutaneous implantation of graft conduits (n = 7 per group) into the flanks of nude rats. Subsequently, graft performance was evaluated using an aortic implantation model in Sprague Dawley rats (one month, n = 14). In situ graft imaging was performed using MRI angiography. Retrieved specimens were analyzed by electromyography, scanning electron microscopy, histology and immunohistochemistry to evaluate cell migration and the degree of functional tissue remodeling. Both decellularization methods resulted in grafts of excellent biocompatibility in vitro and in vivo, with low immunogenic potential. Proteomic data revealed removal of cytoplasmic proteins with relative enrichment of ECM proteins in decelluarized specimens of both groups. Noteworthy, LC-Mass Spectrometry analysis revealed that 16 proteins were exclusively preserved in Triton decellularized specimens in comparison to SDS-treated specimens. Aortic grafts showed high patency rates, no signs of thrombus formation, aneurysms or rupture. Conduits of both groups revealed tissue-specific cell migration indicative of functional remodeling. This study strongly suggests that decellularized allogenic grafts from the human placenta have the potential to be used as vascular replacement materials. Both detergents produced grafts with low residual immunogenicity and appropriate mechanical properties. Observed differences in graft characteristics due to preservation method had no impact on successful in vivo performance in the rodent model.
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Affiliation(s)
- Karl H Schneider
- Ludwig Boltzmann Cluster for Cardiovascular Research, Vienna, Austria; Center for Biomedical Research Medical University of Vienna, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Marjan Enayati
- Ludwig Boltzmann Cluster for Cardiovascular Research, Vienna, Austria; Center for Biomedical Research Medical University of Vienna, Vienna, Austria
| | - Christian Grasl
- Center for Biomedical Research Medical University of Vienna, Vienna, Austria; Center for Medical Physics and Biomedical Engineering, Medical University of Vienna, Austria
| | - Ingrid Walter
- Department of Pathobiology, University of Veterinary Medicine Vienna, Vienna, Austria
| | - Lubos Budinsky
- Preclinical Imaging Laboratory, Division of Molecular and Gender Imaging, Department of Biomedical Imaging and Image-guided Therapy, Medical University of Vienna, Vienna, Austria
| | - Gabriel Zebic
- Center for Biomedical Research Medical University of Vienna, Vienna, Austria
| | - Christoph Kaun
- Division of Internal Medicine II, Medical University of Vienna, Vienna, Austria
| | - Anja Wagner
- Department of Pediatric and Adolescent Medicine, Medical University of Vienna, Vienna, Austria; Christian Doppler Laboratory for Molecular Stress Research in Peritoneal Dialysis, Vienna, Austria
| | - Klaus Kratochwill
- Department of Pediatric and Adolescent Medicine, Medical University of Vienna, Vienna, Austria; Christian Doppler Laboratory for Molecular Stress Research in Peritoneal Dialysis, Vienna, Austria
| | - Heinz Redl
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology in AUVA Trauma Center, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Andreas H Teuschl
- Department of Biochemical Engineering, University of Applied Sciences Technikum Wien, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria; City of Vienna Competence Team Siganltransduction, Vienna, Austria
| | - Bruno K Podesser
- Ludwig Boltzmann Cluster for Cardiovascular Research, Vienna, Austria; Center for Biomedical Research Medical University of Vienna, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria
| | - Helga Bergmeister
- Ludwig Boltzmann Cluster for Cardiovascular Research, Vienna, Austria; Center for Biomedical Research Medical University of Vienna, Vienna, Austria; Austrian Cluster for Tissue Regeneration, Vienna, Austria.
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Seki T, Saita E, Kishimoto Y, Ibe S, Miyazaki Y, Miura K, Ohmori R, Ikegami Y, Kondo K, Momiyama Y. Low Levels of Plasma Osteoglycin in Patients with Complex Coronary Lesions. J Atheroscler Thromb 2018; 25:1149-1155. [PMID: 29503411 PMCID: PMC6224206 DOI: 10.5551/jat.43059] [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] [Indexed: 12/31/2022] Open
Abstract
Aim: Osteoglycin is one of proteoglycans that are biologically active components of vascular extracellular matrix. However, the role of osteoglycin in atherosclerosis remains unclear. Methods: We investigated plasma osteoglycin levels and the presence, severity, and lesion morphology of coronary artery disease (CAD) in 462 patients undergoing elective coronary angiography. Results: Of 462 patients, 245 had CAD. Osteoglycin levels were higher in patients with CAD than without CAD (median 29.7 vs. 25.0 ng/mL, P < 0.05). However, osteoglycin levels did not differ among patients with one-vessel, two-vessel, or three-vessel disease (30.8, 30.6, and 29.4 ng/mL, respectively) and did not correlate with the number of stenotic segments. Among 245 CAD patients, 41 had complex coronary lesions, and 70 had total occlusion, of whom 67 had good collateralization. Between 70 patients with occlusion and 175 without occlusion, osteoglycin levels did not differ (30.4 vs. 29.5 ng/mL). Notably, osteoglycin levels were lower in 41 patients with complex lesions than in 204 without such lesions (24.2 vs. 31.6 ng/mL, P < 0.02). In multivariate analysis, osteoglycin levels were an independent factor for complex lesion but not for CAD. Odds ratio for complex lesion was 0.80 (95%CI = 0.67–0.96) for each 10 ng/mL increase in osteoglycin levels (P < 0.02). Conclusion: Although plasma osteoglycin levels were high in patients with CAD, they did not correlate with the severity of CAD and were not an independent factor for CAD. Notably, osteoglycin levels were low in patients with complex lesions and were a factor for complex lesions, suggesting that osteoglycin plays a role in coronary plaque stabilization.
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Affiliation(s)
- Toshiki Seki
- Department of Cardiology, National Hospital Organization Tokyo Medical Center
| | - Emi Saita
- Endowed Research Department "Food for Health", Ochanomizu University
| | - Yoshimi Kishimoto
- Endowed Research Department "Food for Health", Ochanomizu University
| | - Susumu Ibe
- Department of Cardiology, National Hospital Organization Tokyo Medical Center
| | - Yoshichika Miyazaki
- Department of Cardiology, National Hospital Organization Tokyo Medical Center
| | - Kotaro Miura
- Department of Cardiology, National Hospital Organization Tokyo Medical Center
| | - Reiko Ohmori
- Faculty of Regional Design, Utsunomiya University
| | - Yukinori Ikegami
- Department of Cardiology, National Hospital Organization Tokyo Medical Center
| | - Kazuo Kondo
- Endowed Research Department "Food for Health", Ochanomizu University.,Institute of Life Innovation Studies, Toyo University
| | - Yukihiko Momiyama
- Department of Cardiology, National Hospital Organization Tokyo Medical Center
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10
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Hu X, Li YQ, Li QG, Ma YL, Peng JJ, Cai SJ. Osteoglycin (OGN) reverses epithelial to mesenchymal transition and invasiveness in colorectal cancer via EGFR/Akt pathway. JOURNAL OF EXPERIMENTAL & CLINICAL CANCER RESEARCH : CR 2018; 37:41. [PMID: 29499765 PMCID: PMC5833032 DOI: 10.1186/s13046-018-0718-2] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Accepted: 02/21/2018] [Indexed: 01/16/2023]
Abstract
Background Many types of cancers are devoid of the small leucine-rich proteoglycans: osteoglycin (OGN), but its role in tumorigenesis is poorly studied especially in colorectal cancers (CRC). Here we aim to evaluate the relationship between OGN expression patterns and the clinical course of CRC, and the role of OGN in cancer progression. Methods The tissue microarray staining was performed and the relevance between OGN expression and oncologic outcomes was performed using Cox regression analysis. The effect of OGN on cell proliferation and tumorigenesis was examined in vitro and in vivo. Immunoprecipitation assay, immunofluorescence analysis and internalization assay were used for mechanistic study. Results Patients with high expression of OGN were associated with a profound longer survival in CRC and the high serum OGN level was also indicative of fewer recurrences consistently. In colon cancer cells, OGN increased dimerization of EGFR, then triggered EGFR endocytosis and induced the recruitment of downstream components of the EGFR internalization machinery (Eps15 and epsin1). Above all, OGN reduced Zeb-1 expression via EGFR/Akt leading to inhibition of epithelial-mesenchymal transition. As results, in vitro and in vivo, the OGN expression was demonstrated to reduce cell proliferation, inhibit invasion of colon cancer cells then impede cancer progression. Conclusions There is a positive association between OGN level and prolonged survival in CRC. OGN plays a restrictive role in colorectal cancer progression by reduced activation of EGFR/AKT/Zeb-1.
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Affiliation(s)
- Xiang Hu
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, 270 Dong'an Road, Shanghai, 20032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Ya-Qi Li
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, 270 Dong'an Road, Shanghai, 20032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Qing-Guo Li
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, 270 Dong'an Road, Shanghai, 20032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Yan-Lei Ma
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, 270 Dong'an Road, Shanghai, 20032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - Jun-Jie Peng
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, 270 Dong'an Road, Shanghai, 20032, China.,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China
| | - San-Jun Cai
- Department of Colorectal Surgery, Fudan University Shanghai Cancer Center, 270 Dong'an Road, Shanghai, 20032, China. .,Department of Oncology, Shanghai Medical College, Fudan University, Shanghai, 200032, China.
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11
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de Lucia C, Komici K, Borghetti G, Femminella GD, Bencivenga L, Cannavo A, Corbi G, Ferrara N, Houser SR, Koch WJ, Rengo G. microRNA in Cardiovascular Aging and Age-Related Cardiovascular Diseases. Front Med (Lausanne) 2017; 4:74. [PMID: 28660188 PMCID: PMC5466994 DOI: 10.3389/fmed.2017.00074] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2017] [Accepted: 05/26/2017] [Indexed: 12/17/2022] Open
Abstract
Over the last decades, life expectancy has significantly increased although several chronic diseases persist in the population, with aging as the leading risk factor. Despite improvements in diagnosis and treatment, many elderlies suffer from cardiovascular problems that are much more frequent in an older, more fragile organism. In the long term, age-related cardiovascular diseases (CVDs) contribute to the decline of quality of life and ability to perform normal activities of daily living. microRNAs (miRNAs) are a class of small non-coding RNAs that regulate gene expression at the posttranscriptional level in both physiological and pathological conditions. In this review, we will focus on the role of miRNAs in aging and age-related CVDs as heart failure, hypertension, atherosclerosis, atrial fibrillation, and diabetes mellitus. miRNAs are key regulators of complex biological mechanisms, representing an exciting potential therapeutic target in CVDs. Moreover, one major challenge in geriatric medicine is to find reliable biomarkers for diagnosis, prognosis, and prediction of the response to specific drugs. miRNAs represent a very promising tool due to their stability in the circulation and unique signature in CVDs. However, further studies are needed to investigate their translational potential in the real clinical practice.
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Affiliation(s)
- Claudio de Lucia
- Division of Geriatrics, Department of Translational Medical Sciences, Federico II University of Naples, Naples, Italy.,Center for Translational Medicine, Department of Pharmacology, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, United States
| | - Klara Komici
- Division of Geriatrics, Department of Translational Medical Sciences, Federico II University of Naples, Naples, Italy
| | - Giulia Borghetti
- Cardiovascular Research Center, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, United States
| | - Grazia Daniela Femminella
- Division of Geriatrics, Department of Translational Medical Sciences, Federico II University of Naples, Naples, Italy
| | - Leonardo Bencivenga
- Division of Geriatrics, Department of Translational Medical Sciences, Federico II University of Naples, Naples, Italy
| | - Alessandro Cannavo
- Division of Geriatrics, Department of Translational Medical Sciences, Federico II University of Naples, Naples, Italy.,Center for Translational Medicine, Department of Pharmacology, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, United States
| | - Graziamaria Corbi
- Department of Medicine and Health Sciences, University of Molise, Campobasso, Italy
| | - Nicola Ferrara
- Division of Geriatrics, Department of Translational Medical Sciences, Federico II University of Naples, Naples, Italy.,Scientific Institute of Telese Terme, Salvatore Maugeri Foundation, IRCCS, Benevento, Italy
| | - Steven R Houser
- Cardiovascular Research Center, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, United States
| | - Walter J Koch
- Center for Translational Medicine, Department of Pharmacology, Lewis Katz School of Medicine, Temple University, Philadelphia, PA, United States
| | - Giuseppe Rengo
- Division of Geriatrics, Department of Translational Medical Sciences, Federico II University of Naples, Naples, Italy.,Scientific Institute of Telese Terme, Salvatore Maugeri Foundation, IRCCS, Benevento, Italy
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12
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Association of serum mimecan with angiographic coronary collateralization in patients with stable coronary artery disease and chronic total occlusion. Atherosclerosis 2016; 252:75-81. [PMID: 27508318 DOI: 10.1016/j.atherosclerosis.2016.07.916] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Revised: 07/20/2016] [Accepted: 07/21/2016] [Indexed: 01/27/2023]
Abstract
BACKGROUND AND AIMS Mimecan/osteoglycin is identified as an emerging biomarker of coronary atherosclerosis. We investigated whether and to what extent serum mimecan reflects angiographic coronary collateralization in patients with stable coronary artery disease and chronic total occlusion. METHODS Serum levels of mimecan were determined in 559 consecutive patients with stable angina and angiographic total occlusion of at least one major coronary artery. The degree of collaterals supplying the distal aspect of a total occlusion from the contra-lateral vessel was graded as poor (Rentrop score of 0 or 1) or good coronary collateralization (Rentrop score of 2 or 3). RESULTS Serum mimecan was significantly higher in patients with poor collateralization than in those with good collateralization, and correlated inversely with Rentrop score (adjusted Spearmen's r = -0.443, p < 0.001). The prevalence of poor coronary collaterals increased stepwise from the lowest to the highest quartile of serum mimecan (OR 2.140, 95% CI 1.793-2.555; p for trend < 0.001). After adjusting for age, gender, traditional risk factors for coronary artery disease, history of myocardial infarction, severity of coronary artery disease, renal function and C-reactive protein, serum mimecan (per SD) remained an independent determinant for poor collateralization (OR 2.674, 95% CI 2.057-3.475, p < 0.001). The diagnostic value of mimecan (per SD) for detecting poor collateralization was consistent when the patients were specified by gender, age, body mass index, presence or absence of hypertension and diabetes, and status of renal function (OR 2.075-6.932, p interaction ≥ 0.059). CONCLUSION Increased serum mimecan is associated with poor angiographic coronary collateralization in patients with chronic total occlusion.
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13
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Deckx S, Heymans S, Papageorgiou AP. The diverse functions of osteoglycin: a deceitful dwarf, or a master regulator of disease? FASEB J 2016; 30:2651-61. [PMID: 27080639 DOI: 10.1096/fj.201500096r] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2015] [Accepted: 04/05/2016] [Indexed: 12/21/2022]
Abstract
Small leucine-rich proteoglycans are emerging as important regulatory proteins within the extracellular matrix, where they exert both structural and nonstructural functions and hence are modulators of numerous biological processes, such as inflammation, fibrosis, and cell proliferation. One proteoglycan in particular, osteoglycin (OGN), also known as mimecan, shows great structural and functional diversity in normal physiology and in disease states, therefore making it a very interesting candidate for the development of novel therapeutic strategies. Unfortunately, the literature on OGN is confusing, as it has different names, and different transcript and protein variants have been identified. This review will give a clear overview of the different structures and functions of OGN that have been identified to date, portray its central role in pathophysiology, and highlight the importance of posttranslational processing, such as glycosylation, for the diversity of its functions.-Deckx, S., Heymans, S., Papageorgiou, A.-P. The diverse functions of osteoglycin: a deceitful dwarf, or a master regulator of disease?
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Affiliation(s)
- Sophie Deckx
- Department of Cardiology, Maastricht University, Maastricht, The Netherlands; and Center for Molecular and Vascular Biology, Katholieke Universiteit (KU) Leuven, Leuven, Belgium
| | - Stephane Heymans
- Department of Cardiology, Maastricht University, Maastricht, The Netherlands; and Center for Molecular and Vascular Biology, Katholieke Universiteit (KU) Leuven, Leuven, Belgium
| | - Anna-Pia Papageorgiou
- Department of Cardiology, Maastricht University, Maastricht, The Netherlands; and Center for Molecular and Vascular Biology, Katholieke Universiteit (KU) Leuven, Leuven, Belgium
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14
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Harada S, Matsuura W, Takano M, Tokuyama S. Withdrawal: Proteomic Profiling in the Spinal Cord and Sciatic Nerve in a Global Cerebral Ischemia-Induced Mechanical Allodynia Mouse Model. Biol Pharm Bull 2016; 39:230-8. [DOI: 10.1248/bpb.b15-00647] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Shinichi Harada
- Department of Clinical Pharmacy, School of Pharmaceutical Sciences, Kobe Gakuin University
| | - Wataru Matsuura
- Department of Clinical Pharmacy, School of Pharmaceutical Sciences, Kobe Gakuin University
| | - Masaoki Takano
- Department of Life Sciences Pharmacy, School of Pharmaceutical Sciences, Kobe Gakuin University
| | - Shogo Tokuyama
- Department of Clinical Pharmacy, School of Pharmaceutical Sciences, Kobe Gakuin University
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15
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Hu Y, Liu J, Zhao Q, Xu P, Chen Y, Zhou H, Li X. Correlation between mimecan expression and coronary artery stenosis in patients with coronary heart disease. Int J Clin Exp Med 2015; 8:21641-21646. [PMID: 26885118 PMCID: PMC4723963] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2015] [Accepted: 11/10/2015] [Indexed: 06/05/2023]
Abstract
OBJECTIVE This study aimed to investigate the correlation between coronary artery stenosis and Mimecan expression in patients with coronary heart disease (CHD). METHODS Seventy eight patients with CHD and 80 controls without vascular lesions were recruited into present study. CHD patients were divided into one-vessel CHD subgroup, 2-vessel CHD subgroup and multivessel CHD subgroup. ELISA was performed to detect the expressions of serum Mimecan and nuclear factor kappaB (NF-κB). RESULTS When compared with control group, the expressions of serum mimecan gene and NF-κB significantly increased in CHD groups (P < 0.05); When compared with one-vessel and two-vessel CHD subgroups, the expressions of serum mimecan and NF-κB significantly increased in multivessel CHD subgroup (P < 0.05), significant difference was observed among three subgroups (P < 0.05). The expressions of serum mimecan and NF-κB were positively related to the severity of coronary lesions (rmimecan=0.79, rNF-κB=0.83, P < 0.05). CONCLUSION Increased expressions of serum mimecan and NF-κB in CHD patients are related to cardiac insufficiency, which may be ascribed to the binding of NF-κB to mimecan gene.
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Affiliation(s)
- Youdong Hu
- Department of Geriatrics, Affiliated Huai'ai Hospital of Xuzhou Medical Collage Huai'an, China
| | - Junying Liu
- Department of Geriatrics, Affiliated Huai'ai Hospital of Xuzhou Medical Collage Huai'an, China
| | - Qingna Zhao
- Department of Geriatrics, Affiliated Huai'ai Hospital of Xuzhou Medical Collage Huai'an, China
| | - Peijing Xu
- Department of Geriatrics, Affiliated Huai'ai Hospital of Xuzhou Medical Collage Huai'an, China
| | - Ying Chen
- Department of Geriatrics, Affiliated Huai'ai Hospital of Xuzhou Medical Collage Huai'an, China
| | - Hualan Zhou
- Department of Geriatrics, Affiliated Huai'ai Hospital of Xuzhou Medical Collage Huai'an, China
| | - Xia Li
- Department of Geriatrics, Affiliated Huai'ai Hospital of Xuzhou Medical Collage Huai'an, China
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16
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Abstract
Aging is a multidimensional process that leads to an increased risk of developing severe diseases, such as cancer and cardiovascular, neurodegenerative, and immunological diseases. Recently, small non-coding RNAs known as microRNAs (miRNAs) have been shown to regulate gene expression, which contributes to many physiological and pathophysiological processes in humans. Increasing evidence suggests that changes in miRNA expression profiles contribute to cellular senescence, aging and aging-related diseases. However, only a few miRNAs whose functions have been elucidated have been associated with aging and/or aging-related diseases. This article reviews the currently available findings regarding the roles of aging-related miRNAs, with a focus on cardiac and cardiovascular aging.
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17
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Mimecan, a Hormone Abundantly Expressed in Adipose Tissue, Reduced Food Intake Independently of Leptin Signaling. EBioMedicine 2015; 2:1718-24. [PMID: 26870797 PMCID: PMC4740298 DOI: 10.1016/j.ebiom.2015.09.044] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2015] [Revised: 09/16/2015] [Accepted: 09/25/2015] [Indexed: 01/29/2023] Open
Abstract
Adipokines such as leptin play important roles in the regulation of energy metabolism, particularly in the control of appetite. Here, we describe a hormone, mimecan, which is abundantly expressed in adipose tissue. Mimecan was observed to inhibit food intake and reduce body weight in mice. Intraperitoneal injection of a mimecan-maltose binding protein (-MBP) complex inhibited food intake in C57BL/6J mice, which was attenuated by pretreatment with polyclonal antibody against mimecan. Notably, mimecan-MBP also induced anorexia in Ay/a and db/db mice. Furthermore, the expression of interleukin (IL)-1β and IL-6 was up-regulated in the hypothalamus by mimecan-MBP, as well as in N9 microglia cells by recombinant mouse mimecan. Taken together, the results suggest that mimecan is a satiety hormone in adipose tissue, and that mimecan inhibits food intake independently of leptin signaling by inducing IL-1β and IL-6 expression in the hypothalamus.
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18
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Gu X, Zhao L, Zhu J, Gu H, Li H, Wang L, Xu W, Chen J. Serum Mimecan Is Associated With Arterial Stiffness in Hypertensive Patients. J Am Heart Assoc 2015. [PMID: 26206738 PMCID: PMC4608085 DOI: 10.1161/jaha.115.002010] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Background Mimecan plays an important role in endothelial and vascular smooth muscle cell integrity and may be involved the pathology of arterial stiffness. However, the role of mimecan in arterial stiffness in patients with hypertension is not well defined. Methods and Results A total of 116 hypertension patients and 54 healthy controls were enrolled in the investigation. Hypertensive patients were divided into 2 groups: the with arterial stiffness group (brachial-ankle pulse wave velocity [baPWV] ≥1400 cm/s; n=83) and the without arterial stiffness group (baPWV <1400 cm/s; n=33). A noninvasive measure of vascular stiffness was performed using pulse wave velocity (PWV) measurement of baPWV. Hypertensive patients had higher baPWV, mimecan, and endothelin 1 (ET-1) than healthy controls. The arterial stiffness group had higher mimecan and endothelin 1 (ET-1) and lower ankle-brachial pressure index (ABI) than those without stiffness. In hypertensive patients, mimecan was inversely correlated with ABI (P<0.05) and positively correlated with baPWV, ET-1, and total cholesterol. On multivariable logistic regression analysis, diastolic blood pressure, mimecan, ET-1, and creatinine were independent predictors of arterial stiffness in hypertensive patients (P<0.05). Conclusions Mimecan levels are higher in hypertensive patients than in healthy controls. Increased plasma mimecan levels are independently associated with increased arterial stiffness as assessed by baPWV.
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Affiliation(s)
- Xiaosong Gu
- Department of Cardiology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China (X.G., L.Z., J.Z., H.G., H.L., W.X., J.C.)
| | - Liangping Zhao
- Department of Cardiology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China (X.G., L.Z., J.Z., H.G., H.L., W.X., J.C.)
| | - Jing Zhu
- Department of Cardiology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China (X.G., L.Z., J.Z., H.G., H.L., W.X., J.C.)
| | - Haibo Gu
- Department of Cardiology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China (X.G., L.Z., J.Z., H.G., H.L., W.X., J.C.)
| | - Hui Li
- Department of Cardiology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China (X.G., L.Z., J.Z., H.G., H.L., W.X., J.C.)
| | - Luchen Wang
- Wayne State University School of Medicine, Detroit, MI (L.W.)
| | - Weiting Xu
- Department of Cardiology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China (X.G., L.Z., J.Z., H.G., H.L., W.X., J.C.)
| | - Jianchang Chen
- Department of Cardiology, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, China (X.G., L.Z., J.Z., H.G., H.L., W.X., J.C.)
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19
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Feng H, Li H, Zhang D, Zhao Y, Jiang N, Zhao X, Zhang YU, Tan J, Fang W, Zhang Y, Liu W. Aortic wall proteomic analysis in spontaneously hypertensive rats with a blood pressure decrease induced by 6-week load-free swimming. Biomed Rep 2015; 3:681-686. [PMID: 26405545 DOI: 10.3892/br.2015.488] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2015] [Accepted: 05/21/2015] [Indexed: 11/06/2022] Open
Abstract
Decreased arterial compliance is one of the earliest detectable manifestations of adverse structural and functional changes within the vessel wall in hypertension. The proteomic approach is a powerful technique to analyze a complex mixture of proteins in various settings. Physical activity level was negatively associated with blood pressure. Sixteen 4-week-old male spontaneously hypertensive rats (SHR) and 16 Wistar-Kyoto (WKY) rats were randomly divided into four groups: i) SHR exercise group, ii) SHR rest group, iii) WKY exercise group and iv) WKY rest group. In the SHR and WKY exercise groups, rats were treated with a 6-week load-free swimming protocol (1 h/day, 5 days/week). The blood pressure of the rats was tested by the CODATM2 single non-invasive blood pressure measurement appliance. After the 6-week swimming protocol, the total aorta excluding abdominal aorta was extracted. The proteins were separated by two-dimensional gel electrophoresis and identified via LC-mass spectrometry (MS)/MS. After 6-week load-free swimming, blood pressure decreased in the SHRs. Compared with sedentary SHRs, 11 spots on the 2D-gel showed a significant difference in exercised SHRs. Nine of these were chosen for further identification. There were 5 upregulated proteins (long-chain specific acyl-CoA dehydrogenase, heat shock protein β-1, isocitrate dehydrogenase subunit α, actin, α cardiac muscle 1 preprotein and calmodulin isoform 2) and 4 downregulated proteins (adipocyte-type fatty acid-binding protein, tubulin β-2C chain, 78 kDa glucose-regulated protein precursor and mimecan). Proteomics is an effective method to identify the target proteins of exercise intervention for hypertension.
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Affiliation(s)
- Hong Feng
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, Tianjin University of Sport, Tianjin 300381, P.R. China
| | - Haiying Li
- Institute of Health and Environmental Medicine, Tianjin 300050, P.R. China
| | - Derong Zhang
- Department of Health and Exercise Science, Tianjin University of Sport, Tianjin 300381, P.R. China
| | - Yungang Zhao
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, Tianjin University of Sport, Tianjin 300381, P.R. China
| | - Ning Jiang
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, Tianjin University of Sport, Tianjin 300381, P.R. China
| | - Xiaoling Zhao
- Institute of Health and Environmental Medicine, Tianjin 300050, P.R. China
| | - Y U Zhang
- Department of Family Planning, The Second Affiliated Hospital of Tianjin Medical University, Tianjin 300211, P.R. China
| | - Junzhen Tan
- School of Integrative Medicine, Tianjin University of Traditional Chinese Medicine, Tianjin 300193, P.R. China
| | - Wen Fang
- Department of Graduate, Tianjin University of Sport, Tianjin 300381, P.R. China
| | - Yong Zhang
- Tianjin Key Laboratory of Exercise Physiology and Sports Medicine, Tianjin University of Sport, Tianjin 300381, P.R. China
| | - Wei Liu
- Institute of Health and Environmental Medicine, Tianjin 300050, P.R. China
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20
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Zhang HJ, Wang J, Liu HF, Zhang XN, Zhan M, Chen FL. Overexpression of mimecan in human aortic smooth muscle cells inhibits cell proliferation and enhances apoptosis and migration. Exp Ther Med 2015; 10:187-192. [PMID: 26170933 DOI: 10.3892/etm.2015.2444] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2014] [Accepted: 01/12/2015] [Indexed: 11/06/2022] Open
Abstract
The pathogenesis of atherosclerosis is multifactorial. The proliferation and migration of vascular smooth muscle cells (VSMCs) are significant in the genesis and development of atherosclerosis plaques, and the degradation of VSMCs plays a crucial role in the process. Mimecan is a member of the Keratan sulfate family of proteoglycans, which are leucine-rich proteoglycans. It has been demonstrated that mimecan is associated with arteriogenesis and atherosclerosis. In the present study, the effect of mimecan on the characteristics of cultured human aortic smooth muscle cells (HASMCs) was investigated. In vitro, human mimecan was stably overexpressed in HASMCs using a lentiviral system. It was observed that the proliferation rate of HASMCs transduced with mimecan was lower compared with that of control cells; overexpression of mimecan induced HASMC apoptosis. To determine the effect of mimecan on HASMC migration, a Transwell cell culture chamber and sterile cloning cylinder assays were used, and it was noted that mimecan enhanced the migration of HASMCs horizontally and vertically. These data indicated that mimecan may be involved in the pathogenesis of atherosclerosis by regulating the proliferation, apoptosis and migration of VSMCs.
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Affiliation(s)
- Hui-Jie Zhang
- Department of Endocrinology, Third People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 201900, P.R. China
| | - Jing Wang
- Department of Endocrinology, Third People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 201900, P.R. China
| | - Hui-Fang Liu
- Department of Endocrinology, Third People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 201900, P.R. China
| | - Xiao-Na Zhang
- Shanghai Institution of Endocrinology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P.R. China
| | - Ming Zhan
- Shanghai Institution of Endocrinology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, P.R. China
| | - Feng-Ling Chen
- Department of Endocrinology, Third People's Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 201900, P.R. China
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Ošt'ádal M, Eckhardt A, Herget J, Mikšík I, Dungl P, Chomiak J, Frydrychová M, Burian M. Proteomic analysis of the extracellular matrix in idiopathic pes equinovarus. Mol Cell Biochem 2014; 401:133-9. [PMID: 25472880 DOI: 10.1007/s11010-014-2300-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2014] [Accepted: 11/27/2014] [Indexed: 11/29/2022]
Abstract
Idiopathic pes equinovarus is a congenital deformity of the foot and lower leg defined as a fixation of the foot in adduction, supination, and varus. Although the pathogenesis of clubfoot remains unclear, it has been suggested that fibroblasts and growth factors are involved. To directly analyze the protein composition of the extracellular matrix in contracted tissue of patients with clubfoot. A total of 13 infants with idiopathic clubfoot treated with the Ponseti method were included in the present study. Tissue samples were obtained from patients undergoing surgery for relapsed clubfeet. Contracted tissues were obtained from the medial aspect of the talonavicular joint. Protein was extracted after digestion and delipidation using zip-tip C18. Individual collagenous fractions were detected using a chemiluminescent assay. Amino acid analysis of tissue samples revealed a predominance of collagens, namely collagen types I, III, and VI. The high content of glycine and h-proline suggests a predominance of collagens I and III. A total of 19 extracellular matrix proteins were identified. The major result of the present study was the observation that the extracellular matrix in clubfoot is composed of an additional 16 proteins, including collagens V, VI, and XII, as well as the previously described collagen types I and III and transforming growth factor β. The characterization of the general protein composition of the extracellular matrix in various regions of clubfoot may help in understanding the pathogenesis of this anomaly and, thus, contribute to the development of more efficacious therapeutic approaches.
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Affiliation(s)
- Martin Ošt'ádal
- Department of Orthopaedics, 1st Faculty of Medicine, University Hospital Bulovka, Charles University, Budínova 2, 180 00, Prague 8, Czech Republic,
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22
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Osteoglycin deficiency does not affect atherosclerosis in mice. Atherosclerosis 2014; 237:418-25. [DOI: 10.1016/j.atherosclerosis.2014.09.016] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/26/2014] [Revised: 09/16/2014] [Accepted: 09/17/2014] [Indexed: 01/04/2023]
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23
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Ueland T, Aukrust P, Nymo SH, Kjekshus J, McMurray JJV, Wikstrand J, Block D, Zaugg C, Gullestad L. Novel extracellular matrix biomarkers as predictors of adverse outcome in chronic heart failure: association between biglycan and response to statin therapy in the CORONA trial. J Card Fail 2014; 21:153-9. [PMID: 25451704 DOI: 10.1016/j.cardfail.2014.10.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2014] [Revised: 10/13/2014] [Accepted: 10/27/2014] [Indexed: 01/15/2023]
Abstract
BACKGROUND The extracellular matrix (ECM) plays an important role in left ventricular remodeling and progression of heart failure (HF). Biglycan and mimecan are ECM proteins that are abundantly expressed in cardiac tissue but have not been evaluated as prognostic markers in HF. We investigated their interaction with statin treatment and association with adverse outcome in chronic HF. METHODS AND RESULTS The association between serum levels of biglycan and mimecan and the primary end point (cardiovascular [CV] death, nonfatal myocardial infarction, nonfatal stroke), all-cause mortality, CV death, the composite of all-cause mortality/hospitalization for worsening of HF, and the coronary end point was evaluated in 1,390 patients >60 years of age with ischemic systolic HF in the Controlled Rosuvastatin Multinational Trial in HF (CORONA) population, randomly assigned to 10 mg rosuvastatin or placebo. Serum biglycan and mimecan added no prognostic information beyond conventional risk factors, including N-terminal pro-B-type natriuretic peptide. However, statin treatment improved all outcomes except CV death in patients with low biglycan levels (ie, lower tertile), even after full multivariable adjustment. CONCLUSIONS Although circulating levels of mimecan and biglycan were of limited predictive value in patients with chronic HF, circulating biglycan could be a useful marker for targeting statin therapy in patients with HF.
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Affiliation(s)
- Thor Ueland
- Research Institute for Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway; Faculty of Medicine, University of Oslo, Oslo, Norway.
| | - Pål Aukrust
- Research Institute for Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway; Faculty of Medicine, University of Oslo, Oslo, Norway; Section of Clinical Immunology and Infectious Diseases, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - Ståle H Nymo
- Research Institute for Internal Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - John Kjekshus
- Department of Cardiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway
| | - John J V McMurray
- British Heart Foundation Glasgow Cardiovascular Research Centre, University of Glasgow, Glasgow, Scotland, United Kingdom
| | | | | | | | - Lars Gullestad
- Department of Cardiology, Oslo University Hospital, Rikshospitalet, Oslo, Norway; Center for Heart Failure Research, University of Oslo, Oslo, Norway
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Chang J, Jackson SG, Wardale J, Jones SW. Hypoxia modulates the phenotype of osteoblasts isolated from knee osteoarthritis patients, leading to undermineralized bone nodule formation. Arthritis Rheumatol 2014; 66:1789-99. [PMID: 24574272 PMCID: PMC4282481 DOI: 10.1002/art.38403] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2013] [Accepted: 02/06/2014] [Indexed: 02/06/2023]
Abstract
Objective To investigate the role of hypoxia in the pathology of osteoarthritic (OA) bone by exploring its effect on the phenotype of isolated primary osteoblasts from patients with knee OA. Methods OA bone samples were collected at the time of elective joint replacement surgery for knee or hip OA. Normal bone samples were collected postmortem from cadaver donors. Primary osteoblasts were isolated from knee OA bone chips and cultured under normoxic or hypoxic (2% O2) conditions. Alkaline phosphatase activity was quantified using an enzymatic assay, and osteopontin and prostaglandin E2 (PGE2) production was assayed by enzyme-linked immunosorbent assay. Total RNA was extracted from bone and osteoblasts, and gene expression was profiled by quantitative reverse transcription–polymerase chain reaction. Results Human OA bone tissue sections stained positively for carbonic anhydrase IX, a biomarker of hypoxia, and exhibited differential expression of genes that mediate the vasculature and blood coagulation as compared to those found in normal bone. Culture of primary osteoblasts isolated from knee OA bone under hypoxic conditions profoundly affected the osteoblast phenotype, including the expression of genes that mediate bone matrix, bone remodeling, and bone vasculature. Hypoxia also increased the expression of cyclooxygenase 2 and the production of PGE2 by OA osteoblasts. Osteoblast expression of type II collagen α1 chain, angiopoietin-like 4, and insulin-like growth factor binding protein 1 was shown to be mediated by hypoxia-inducible factor 1α. Chronic hypoxia reduced osteoblast- mineralized bone nodule formation. Conclusion These findings demonstrate that hypoxia can induce pathologic changes in osteoblast functionality consistent with an OA phenotype, providing evidence that hypoxia is a key driver of OA pathology.
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Affiliation(s)
- Joan Chang
- University of Copenhagen, Copenhagen, Denmark
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Kawahara R, Lima RN, Domingues RR, Pauletti BA, Meirelles GV, Assis M, Figueira ACM, Leme AFP. Deciphering the Role of the ADAM17-Dependent Secretome in Cell Signaling. J Proteome Res 2014; 13:2080-93. [DOI: 10.1021/pr401224u] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Affiliation(s)
- Rebeca Kawahara
- Laboratório
Nacional de Biociências, LNBio, CNPEM, 13083-970 Campinas, Brazil
| | - Renato Niyama Lima
- Laboratório
Nacional de Biociências, LNBio, CNPEM, 13083-970 Campinas, Brazil
| | | | | | | | - Michelle Assis
- Laboratório
Nacional de Biociências, LNBio, CNPEM, 13083-970 Campinas, Brazil
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Zhu B, Xu T, Yuan J, Guo X, Liu D. Transcriptome sequencing reveals differences between primary and secondary hair follicle-derived dermal papilla cells of the Cashmere goat (Capra hircus). PLoS One 2013; 8:e76282. [PMID: 24069460 PMCID: PMC3777969 DOI: 10.1371/journal.pone.0076282] [Citation(s) in RCA: 43] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2013] [Accepted: 08/22/2013] [Indexed: 12/30/2022] Open
Abstract
The dermal papilla is thought to establish the character and control the size of hair follicles. Inner Mongolia Cashmere goats (Capra hircus) have a double coat comprising the primary and secondary hair follicles, which have dramatically different sizes and textures. The Cashmere goat is rapidly becoming a potent model for hair follicle morphogenesis research. In this study, we established two dermal papilla cell lines during the anagen phase of the hair growth cycle from the primary and secondary hair follicles and clarified the similarities and differences in their morphology and growth characteristics. High-throughput transcriptome sequencing was used to identify gene expression differences between the two dermal papilla cell lines. Many of the differentially expressed genes are involved in vascularization, ECM-receptor interaction and Wnt/β-catenin/Lef1 signaling pathways, which intimately associated with hair follicle morphogenesis. These findings provide valuable information for research on postnatal morphogenesis of hair follicles.
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Affiliation(s)
- Bing Zhu
- The Key Laboratory of Mammalian Reproductive Biology and Biotechnology of the Ministry of Education, Inner Mongolia University, Hohhot, China
| | - Teng Xu
- The Key Laboratory of Mammalian Reproductive Biology and Biotechnology of the Ministry of Education, Inner Mongolia University, Hohhot, China
| | - Jianlong Yuan
- The Key Laboratory of Mammalian Reproductive Biology and Biotechnology of the Ministry of Education, Inner Mongolia University, Hohhot, China
| | - Xudong Guo
- The Key Laboratory of Mammalian Reproductive Biology and Biotechnology of the Ministry of Education, Inner Mongolia University, Hohhot, China
- * E-mail: (XG); (DL)
| | - Dongjun Liu
- The Key Laboratory of Mammalian Reproductive Biology and Biotechnology of the Ministry of Education, Inner Mongolia University, Hohhot, China
- * E-mail: (XG); (DL)
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Innovative technique for the direct determination of proteins in calcified aortic valves. Anal Bioanal Chem 2013; 405:8781-7. [PMID: 23978938 DOI: 10.1007/s00216-013-7306-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2013] [Revised: 08/07/2013] [Accepted: 08/13/2013] [Indexed: 10/26/2022]
Abstract
Aortal valve mineralization very frequently causes a genesis of aortic stenosis, which is the most often surgically treated heart disease. Hydroxyapatite deposits have been identified as one of the causes leading to the loss of elasticity of the aortic valves. It is known that phosphates/calcium is accumulated in valve tissues during mineralization, but the mechanism of this process remains unclear. The work is focused mainly on the study of protein composition of mineralized aortic valves by nano-liquid chromatography electrospray ionization in a quadrupole orthogonal acceleration time-of-flight mass spectrometry. New methodological approach based on direct enzymatic digestion of proteins contained in hydroxyapatite deposits was developed for the study of pathological processes connected with osteogenesis. Our objectives were to simplify the traditional analytical protocols of sample preparation and to analyze the organic components of the explanted aortic valves for significant degenerative aortic stenosis. The study of aortic valve mineralization on the molecular level should contribute to understanding this process, which should consequently lead to effective prevention as well as to new ways of treatment of this grave disease.
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Insenser M, Montes-Nieto R, Vilarrasa N, Lecube A, Simó R, Vendrell J, Escobar-Morreale HF. A nontargeted proteomic approach to the study of visceral and subcutaneous adipose tissue in human obesity. Mol Cell Endocrinol 2012; 363:10-9. [PMID: 22796336 DOI: 10.1016/j.mce.2012.07.001] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/19/2012] [Revised: 06/08/2012] [Accepted: 07/06/2012] [Indexed: 11/28/2022]
Abstract
Subcutaneous (SAT) and visceral adipose tissue (VAT) differ in biochemical and metabolic properties, especially when obesity is present. We submitted paired SAT and VAT samples from six morbidly obese patients and six non-obese persons to two-dimensional differential gel electrophoresis and matrix-assisted laser desorption/ionization-time-of-flight/time-of-flight mass spectrometry. Compared with non-obese subjects, obese patients presented with increased carboxylesterase-1, zinc finger protein 324A, annexin A5, ubiquitin carboxyl-terminal hydrolase, α-crystallin B chain, osteoglycin, retinal dehydrogenase-1 and 14-3-3 protein γ, and decreased transferrin, complement C3, fibrinogen γ chain, albumin, α1-antitrypsin and peroxiredoxin-6, irrespective of the adipose tissue depot studied. SAT and VAT differed in protein species of fibrinogen and osteoglycin, whereas adipose tissue depot and obesity interacted on the protein abundance of actin, α-actinin 1, one protein species of carboxylesterase-1, retinal dehydrogenase-1 and 14-3-3 protein γ. Our nontargeted proteomic approach identified novel protein species that may be involved in the development of obesity in humans.
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Affiliation(s)
- María Insenser
- Diabetes, Obesity and Human Reproduction Group, Universidad de Alcalá & Hospital Universitario Ramón y Cajal & Instituto Ramón y Cajal de Investigación Sanitaria IRYCIS, Madrid, Spain
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Amniotic fluid and amniotic membrane stem cells: marker discovery. Stem Cells Int 2012; 2012:107836. [PMID: 22701492 PMCID: PMC3372280 DOI: 10.1155/2012/107836] [Citation(s) in RCA: 74] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2012] [Accepted: 04/04/2012] [Indexed: 01/20/2023] Open
Abstract
Amniotic fluid (AF) and amniotic membrane (AM) have been recently characterized as promising sources of stem or progenitor cells. Both not only contain subpopulations with stem cell characteristics resembling to adult stem cells, such as mesenchymal stem cells, but also exhibit some embryonic stem cell properties like (i) expression of pluripotency markers, (ii) high expansion in vitro, or (iii) multilineage differentiation capacity. Recent efforts have been focused on the isolation and the detailed characterization of these stem cell types. However, variations in their phenotype, their heterogeneity described by different groups, and the absence of a single marker expressed only in these cells may prevent the isolation of a pure homogeneous stem cell population from these sources and their potential use of these cells in therapeutic applications. In this paper, we aim to summarize the recent progress in marker discovery for stem cells derived from fetal sources such as AF and AM, using novel methodologies based on transcriptomics, proteomics, or secretome analyses.
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Tanaka KI, Matsumoto E, Higashimaki Y, Katagiri T, Sugimoto T, Seino S, Kaji H. Role of osteoglycin in the linkage between muscle and bone. J Biol Chem 2012; 287:11616-28. [PMID: 22351757 DOI: 10.1074/jbc.m111.292193] [Citation(s) in RCA: 87] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
The interaction between muscle tissues and bone metabolism is incompletely understood. We hypothesized that there might be some humoral factors that are produced in muscle tissues and exhibit bone anabolic activity. We, therefore, performed comparative DNA microarray analysis between mouse myoblastic C2C12 cells transfected with either stable empty vector or ALK2 (R206H), the mutation that constitutively activates the bone morphogenetic protein (BMP) receptor, to search for muscle-derived bone anabolic factors. Twenty-five genes whose expression was decreased to <1/4, were identified; these included osteoglycin (OGN). Stable overexpression of OGN significantly decreased the levels of Runx2 and Osterix mRNA compared with those in cells transfected with vector alone in MC3T3-E1 cells. On the other hand, it significantly enhanced the levels of alkaline phosphatase (ALP), type I collagen (Col1), and osteocalcin (OCN) mRNA as well as β-catenin and mineralization. A reduction in endogenous OGN level showed the opposite effects to those of OGN overexpression in MC3T3-E1 and mouse calvarial osteoblastic cells. Transient OGN overexpression significantly suppressed the levels of Runx2, Osterix, ALP, Col1, and OCN mRNA induced by BMP-2 in C2C12 cells. The conditioned medium from OGN-overexpressed and OGN-suppressed myoblastic cells enhanced and decreased, respectively, the levels of ALP, Col1, and β-catenin in MC3T3-E1 cells. Moreover, OGN increased Smad3/4-responsive transcriptional activity as well as Col1 mRNA levels independently of endogenous TGF-β in these cells. In conclusion, this study suggests that OGN may be a crucial humoral bone anabolic factor that is produced by muscle tissues.
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Affiliation(s)
- Ken-ichiro Tanaka
- Division of Diabetes and Endocrinology, Department of Internal Medicine, Kobe University Graduate School of Medicine, Kobe 650-0017, Japan
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Pöling J, Szibor M, Schimanski S, Ingelmann ME, Rees W, Gajawada P, Kochfar Z, Lörchner H, Salwig I, Shin JY, Wiebe K, Kubin T, Warnecke H, Braun T. Induction of Smooth Muscle Cell Migration During Arteriogenesis Is Mediated by Rap2. Arterioscler Thromb Vasc Biol 2011; 31:2297-305. [DOI: 10.1161/atvbaha.111.232835] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Objective—
Collateral artery growth or arteriogenesis is the primary means of the circulatory system to maintain blood flow in the face of major arterial occlusions. Arteriogenesis depends on activation of fibroblast growth factor (FGF) receptors, but relatively little is known about downstream mediators of FGF signaling.
Methods and Results—
We screened for signaling components that are activated in response to administration of FGF-2 to cultured vascular smooth muscle cells (VSMCs) and detected a significant increase of Rap2 but not of other Ras family members, which corresponded to a strong upregulation of Rap2 and C-Raf in growing collaterals from rabbits with femoral artery occlusion. Small interfering RNAs directed against Rap2 did not affect FGF-2 induced proliferation of VSMC but strongly inhibited their migration. Inhibition of FGF receptor-1 (FGFR1) signaling by infusion of a sulfonic acid polymer or infection with a dominant-negative FGFR1 adenovirus inhibited Rap2 upregulation and collateral vessel growth. Similarly, expression of dominant-negative Rap2 blocked arteriogenesis, whereas constitutive active Rap2 enhanced collateral vessel growth.
Conclusion—
Rap2 is part of the arteriogenic program and acts downstream of the FGFR1 to stimulate VSMC migration. Specific modulation of Rap2 might be an attractive target to manipulate VSMC migration, which plays a role in numerous pathological processes.
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Affiliation(s)
- Jochen Pöling
- From the Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (J.P., M.S., S.S., M.-E.I., P.G., Z.K., H.L., I.S., J.-Y.S., T.K., T.B.); Department of Cardiac Surgery, Schüchtermann-Klinik, Bad Rothenfelde, Germany (J.P., W.R., H.W.); University Hospital Münster, Germany (K.W.)
| | - Marten Szibor
- From the Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (J.P., M.S., S.S., M.-E.I., P.G., Z.K., H.L., I.S., J.-Y.S., T.K., T.B.); Department of Cardiac Surgery, Schüchtermann-Klinik, Bad Rothenfelde, Germany (J.P., W.R., H.W.); University Hospital Münster, Germany (K.W.)
| | - Silvia Schimanski
- From the Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (J.P., M.S., S.S., M.-E.I., P.G., Z.K., H.L., I.S., J.-Y.S., T.K., T.B.); Department of Cardiac Surgery, Schüchtermann-Klinik, Bad Rothenfelde, Germany (J.P., W.R., H.W.); University Hospital Münster, Germany (K.W.)
| | - Marie-Elisabeth Ingelmann
- From the Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (J.P., M.S., S.S., M.-E.I., P.G., Z.K., H.L., I.S., J.-Y.S., T.K., T.B.); Department of Cardiac Surgery, Schüchtermann-Klinik, Bad Rothenfelde, Germany (J.P., W.R., H.W.); University Hospital Münster, Germany (K.W.)
| | - Wolfgang Rees
- From the Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (J.P., M.S., S.S., M.-E.I., P.G., Z.K., H.L., I.S., J.-Y.S., T.K., T.B.); Department of Cardiac Surgery, Schüchtermann-Klinik, Bad Rothenfelde, Germany (J.P., W.R., H.W.); University Hospital Münster, Germany (K.W.)
| | - Praveen Gajawada
- From the Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (J.P., M.S., S.S., M.-E.I., P.G., Z.K., H.L., I.S., J.-Y.S., T.K., T.B.); Department of Cardiac Surgery, Schüchtermann-Klinik, Bad Rothenfelde, Germany (J.P., W.R., H.W.); University Hospital Münster, Germany (K.W.)
| | - Zaber Kochfar
- From the Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (J.P., M.S., S.S., M.-E.I., P.G., Z.K., H.L., I.S., J.-Y.S., T.K., T.B.); Department of Cardiac Surgery, Schüchtermann-Klinik, Bad Rothenfelde, Germany (J.P., W.R., H.W.); University Hospital Münster, Germany (K.W.)
| | - Holger Lörchner
- From the Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (J.P., M.S., S.S., M.-E.I., P.G., Z.K., H.L., I.S., J.-Y.S., T.K., T.B.); Department of Cardiac Surgery, Schüchtermann-Klinik, Bad Rothenfelde, Germany (J.P., W.R., H.W.); University Hospital Münster, Germany (K.W.)
| | - Isabelle Salwig
- From the Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (J.P., M.S., S.S., M.-E.I., P.G., Z.K., H.L., I.S., J.-Y.S., T.K., T.B.); Department of Cardiac Surgery, Schüchtermann-Klinik, Bad Rothenfelde, Germany (J.P., W.R., H.W.); University Hospital Münster, Germany (K.W.)
| | - Jae-Young Shin
- From the Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (J.P., M.S., S.S., M.-E.I., P.G., Z.K., H.L., I.S., J.-Y.S., T.K., T.B.); Department of Cardiac Surgery, Schüchtermann-Klinik, Bad Rothenfelde, Germany (J.P., W.R., H.W.); University Hospital Münster, Germany (K.W.)
| | - Karsten Wiebe
- From the Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (J.P., M.S., S.S., M.-E.I., P.G., Z.K., H.L., I.S., J.-Y.S., T.K., T.B.); Department of Cardiac Surgery, Schüchtermann-Klinik, Bad Rothenfelde, Germany (J.P., W.R., H.W.); University Hospital Münster, Germany (K.W.)
| | - Thomas Kubin
- From the Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (J.P., M.S., S.S., M.-E.I., P.G., Z.K., H.L., I.S., J.-Y.S., T.K., T.B.); Department of Cardiac Surgery, Schüchtermann-Klinik, Bad Rothenfelde, Germany (J.P., W.R., H.W.); University Hospital Münster, Germany (K.W.)
| | - Henning Warnecke
- From the Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (J.P., M.S., S.S., M.-E.I., P.G., Z.K., H.L., I.S., J.-Y.S., T.K., T.B.); Department of Cardiac Surgery, Schüchtermann-Klinik, Bad Rothenfelde, Germany (J.P., W.R., H.W.); University Hospital Münster, Germany (K.W.)
| | - Thomas Braun
- From the Department of Cardiac Development and Remodelling, Max-Planck-Institute for Heart and Lung Research, Bad Nauheim, Germany (J.P., M.S., S.S., M.-E.I., P.G., Z.K., H.L., I.S., J.-Y.S., T.K., T.B.); Department of Cardiac Surgery, Schüchtermann-Klinik, Bad Rothenfelde, Germany (J.P., W.R., H.W.); University Hospital Münster, Germany (K.W.)
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Barascuk N, Vassiliadis E, Zheng Q, Wang Y, Wang W, Larsen L, Rasmussen LM, Karsdal MA. Levels of Circulating MMCN-151, a Degradation Product of Mimecan, Reflect Pathological Extracellular Matrix Remodeling in Apolipoprotein E Knockout Mice. Biomark Insights 2011; 6:97-106. [PMID: 22084568 PMCID: PMC3201086 DOI: 10.4137/bmi.s7777] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022] Open
Abstract
AIM Arterial extracellular matrix (ECM) remodeling by matrix metalloproteinases (MMPs) is one of the major hallmarks of atherosclerosis. Mimecan, also known as osteoglycin has been implicated in the integrity of the ECM. This study assessed the validity of an enzyme-linked immunosorbent assay (ELISA) developed to measure a specific MMP12-derived fragment of mimecan, MMCN-151, in apolipoprotein-E knockout (ApoE-KO) mice. METHODS AND RESULTS A mouse monoclonal antibody raised against MMCN-151 was used to develop a competitive ELISA. The assay was validated using samples from 20 ApoE-KO and 20 wild type [C57 BL/6] male mice fed a normal or high-fat diet (HFD) for up to 20 weeks. The technical reliability of the assay was established with intra-assay variability <2% and inter-assay variability <10%. The lowest limit of quantification of MMCN-151 was 0.5 ng/ml. ApoE-KO mice fed a HFD for 20 weeks had four-fold increased circulating levels of MMCN-151 compared to baseline, whereas MMCN-151 levels in control mice on HFD increased two-fold compared with baseline. After 10 weeks of a HFD, a significant difference in MMCN-151 levels was observed between ApoE-KO and control mice (P = 0.005) and became more significant at 20 weeks (P = 0.002). CONCLUSIONS The newly developed assay is a reliable detector of MMCN-151 levels which ultimately may be useful indicators of arterial remodeling in patients affected by atherosclerotic disease.
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Ma QY, Zhang XN, Jiang H, Wang ZQ, Zhang HJ, Xue LQ, Chen MD, Song HD. Mimecan in pituitary corticotroph cells may regulate ACTH secretion and the HPAA. Mol Cell Endocrinol 2011; 341:71-7. [PMID: 21664248 DOI: 10.1016/j.mce.2011.05.028] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2010] [Revised: 04/15/2011] [Accepted: 05/12/2011] [Indexed: 11/26/2022]
Abstract
Mimecan is a protein of unknown function that is expressed in the pituitary tissues of mouse and human. In this study, we observed the function of mimecan on the proopiomelanocortin (POMC) gene in the pituitary and the hypothalamo-pituitary-adrenal axis (HPAA). Incubating pituitary corticotroph AtT-20 cells with recombinant mimecan protein stimulated adrenocorticotrophic hormone (ACTH) secretion without significantly up-regulating POMC gene expression. In addition, pituitary corticotroph AtT-20 cell corticotropin-releasing hormone receptor 1 (CRHR1) gene expression was induced by mimecan. Interestingly, long-term mimecan overexpression in corticotroph cells increased CRHR1 mRNA levels while slightly decreasing POMC mRNA expression and ACTH secretion. Using mimecan knockout mice, we found that, although the serum ACTH concentration was not significantly different between wild type and mimecan knockout mice under basal conditions, the serum ACTH level was relatively lower in mimecan knockout mice after treatment with corticotropin-releasing hormone (CRH). Meanwhile, we observed that POMC and CRHR1 gene expression decreased in primary cultured knockout mouse pituitary cells compared with wild type cells. Taken together, these data suggest that mimecan expressed in pituitary corticotroph cells mainly regulates ACTH secretion in the pituitary and coordinates the HPAA.
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Affiliation(s)
- Qin-Yun Ma
- Shanghai Institute of Endocrine and Metabolic Diseases, Department of Endocrine and Metabolic Diseases, Shanghai Clinical Center for Endocrine and Metabolic Diseases, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai 200025, China
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Gu XS, Lei JP, Shi JB, Lian WL, Yang X, Zheng X, Qin YW. Mimecan is involved in aortic hypertrophy induced by sinoaortic denervation in rats. Mol Cell Biochem 2011; 352:309-16. [DOI: 10.1007/s11010-011-0767-8] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2010] [Accepted: 02/24/2011] [Indexed: 11/28/2022]
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Ma QY, Zuo CL, Ma JH, Zhang XN, Ru Y, Li P, Pan CM, Liu Z, Cao HM, Chen MD, Song HD. Glucocorticoid up-regulates mimecan expression in corticotroph cells. Mol Cell Endocrinol 2010; 321:239-44. [PMID: 20178827 DOI: 10.1016/j.mce.2010.02.021] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2009] [Revised: 02/15/2010] [Accepted: 02/16/2010] [Indexed: 11/25/2022]
Abstract
Mimecan is a protein of unknown function that is expressed in the pituitary. The aim of this study is to clarify the regulation and intracellular localisation of mimecan gene expression in the pituitary. With immunohistochemistry, we observed that mimecan protein was co-expressed with ACTH in pituitary corticotroph cells. Northern and Western blot analyses revealed that mimecan expression and secretion in corticotroph cells were up-regulated by treating AtT-20 cells with glucocorticoid. Meanwhile, mimecan expression in rat primary culture pituitary cells was also promoted by glucocorticoid. Co-incubation of AtT-20 cells with RU486 and glucocorticoid completely reversed the induction of mimecan gene expression by glucocorticoid. In addition, luciferase reporter assays showed that the -1474/+43 promoter region of mimecan was sufficient for glucocorticoid-responsive mimecan expression. These data collectively suggest that mimecan expressed in pituitary corticotroph cells is increased by glucocorticoid and that the up-regulation may be mediated by the classical GR pathways.
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Affiliation(s)
- Qin-Yun Ma
- Ruijin Hospital, Shanghai Institute of Endocrinology, State Key Laboratory of Medical Genomics, Shanghai Jiao Tong University (SJTU) School of Medicine, Shanghai, China
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