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Sun Y, King B, Hamlin AJ, Saniepay M, Gorshkov K, Barker G, Ziegler M, Mukundan S, Cvijic ME, Schwarzbauer JE. Identification of a fibronectin-binding protein signature associated with idiopathic pulmonary fibrosis. Cells Dev 2024; 179:203941. [PMID: 39038657 PMCID: PMC11344656 DOI: 10.1016/j.cdev.2024.203941] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2024] [Revised: 07/11/2024] [Accepted: 07/17/2024] [Indexed: 07/24/2024]
Abstract
The extracellular matrix (ECM) is a critical component of tissue where it provides structural and signaling support to cells. Its dysregulation and accumulation lead to fibrosis, a major clinical challenge underlying many diseases that currently has little effective treatment. An understanding of the key molecular initiators of fibrosis would be both diagnostically useful and provide potential targets for therapeutics. The ECM protein fibronectin (FN) is upregulated in fibrotic conditions and other ECM proteins depend on assembly of a FN foundational ECM for their matrix incorporation. We used cell culture and in vivo models to investigate the role of FN in the progression of lung fibrosis. We confirmed that normal human lung fibroblasts (NHLFs) treated with transforming growth factor-beta (TGF-β) to stimulate fibrotic gene expression significantly increased both FN expression and its assembly into a matrix. We found that levels of alternatively spliced EDA and EDB exons were proportional to the increase in total FN RNA and protein showing that inclusion of these exons is not enhanced by TGF-β stimulation. RNA-sequencing identified 43 core matrisome genes that were significantly up- or down-regulated by TGF-β treatment and a Luminex immunoassay demonstrated increased levels of ECM proteins in conditioned medium of TGF-β-treated NHLFs. Interestingly, among the regulated core matrisome genes, 16 encode known FN-binding proteins and, of these, insulin-like growth factor binding protein 3 (IGFBP3) was most highly up-regulated. To link the NHLF results with in vivo disease, we analyzed lung tissue and bronchoalveolar lavage fluid from bleomycin-treated mice and found dramatically higher levels of FN and the FN-binding proteins IGFBP3, tenascin-C, and type I collagen in fibrotic conditions compared to controls. Altogether, our data identify a set of FN-binding proteins whose upregulation is characteristic of IPF and suggest that FN provides the foundational matrix for deposition of these proteins as fibrosis develops.
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Affiliation(s)
- Yu Sun
- Department of Molecular Biology, Princeton University, Princeton, New Jersey, USA 08544
| | - Benjamin King
- Leads Discovery and Optimization, Bristol Myers Squibb, Lawrenceville, New Jersey, USA 08648
| | - Aaron J. Hamlin
- Department of Molecular Biology, Princeton University, Princeton, New Jersey, USA 08544
| | - Mersedeh Saniepay
- Leads Discovery and Optimization, Bristol Myers Squibb, Lawrenceville, New Jersey, USA 08648
| | - Kirill Gorshkov
- Leads Discovery and Optimization, Bristol Myers Squibb, Lawrenceville, New Jersey, USA 08648
| | - Gregory Barker
- Leads Discovery and Optimization, Bristol Myers Squibb, Lawrenceville, New Jersey, USA 08648
| | - Milinda Ziegler
- Leads Discovery and Optimization, Bristol Myers Squibb, Lawrenceville, New Jersey, USA 08648
| | - Shilpaa Mukundan
- Leads Discovery and Optimization, Bristol Myers Squibb, Lawrenceville, New Jersey, USA 08648
| | - Mary Ellen Cvijic
- Leads Discovery and Optimization, Bristol Myers Squibb, Lawrenceville, New Jersey, USA 08648
| | - Jean E. Schwarzbauer
- Department of Molecular Biology, Princeton University, Princeton, New Jersey, USA 08544
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Yu D, Lu Z, Chong Y. Integrins as a bridge between bacteria and cells: key targets for therapeutic wound healing. BURNS & TRAUMA 2024; 12:tkae022. [PMID: 39015251 PMCID: PMC11250365 DOI: 10.1093/burnst/tkae022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 12/17/2023] [Accepted: 04/22/2024] [Indexed: 07/18/2024]
Abstract
Integrins are heterodimers composed of α and β subunits that are bonded through non-covalent interactions. Integrins mediate the dynamic connection between extracellular adhesion molecules and the intracellular actin cytoskeleton. Integrins are present in various tissues and organs where these heterodimers participate in diverse physiological and pathological responses at the molecular level in living organisms. Wound healing is a crucial process in the recovery from traumatic diseases and comprises three overlapping phases: inflammation, proliferation and remodeling. Integrins are regulated during the entire wound healing process to enhance processes such as inflammation, angiogenesis and re-epithelialization. Prolonged inflammation may result in failure of wound healing, leading to conditions such as chronic wounds. Bacterial colonization of a wound is one of the primary causes of chronic wounds. Integrins facilitate the infectious effects of bacteria on the host organism, leading to chronic inflammation, bacterial colonization, and ultimately, the failure of wound healing. The present study investigated the role of integrins as bridges for bacteria-cell interactions during wound healing, evaluated the role of integrins as nodes for bacterial inhibition during chronic wound formation, and discussed the challenges and prospects of using integrins as therapeutic targets in wound healing.
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Affiliation(s)
- Dong Yu
- Department of Traditional Chinese Medicine, The Affiliated Hospital of Yangzhou University, Yangzhou University, No. 368 Hanjiang Middle Road, Yangzhou 225000, Jiangsu, China
- Department of General Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou University, No. 368 Hanjiang Middle Road, Yangzhou 225000, Jiangsu, China
| | - Zhaoyu Lu
- Department of Traditional Chinese Medicine, The Affiliated Hospital of Yangzhou University, Yangzhou University, No. 368 Hanjiang Middle Road, Yangzhou 225000, Jiangsu, China
- Department of General Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou University, No. 368 Hanjiang Middle Road, Yangzhou 225000, Jiangsu, China
| | - Yang Chong
- Department of Traditional Chinese Medicine, The Affiliated Hospital of Yangzhou University, Yangzhou University, No. 368 Hanjiang Middle Road, Yangzhou 225000, Jiangsu, China
- Department of General Surgery, The Affiliated Hospital of Yangzhou University, Yangzhou University, No. 368 Hanjiang Middle Road, Yangzhou 225000, Jiangsu, China
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Russell-Hallinan A, Cappa O, Kerrigan L, Tonry C, Edgar K, Glezeva N, Ledwidge M, McDonald K, Collier P, Simpson DA, Watson CJ. Single-Cell RNA Sequencing Reveals Cardiac Fibroblast-Specific Transcriptomic Changes in Dilated Cardiomyopathy. Cells 2024; 13:752. [PMID: 38727290 PMCID: PMC11083662 DOI: 10.3390/cells13090752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Revised: 04/18/2024] [Accepted: 04/25/2024] [Indexed: 05/13/2024] Open
Abstract
Dilated cardiomyopathy (DCM) is the most common cause of heart failure, with a complex aetiology involving multiple cell types. We aimed to detect cell-specific transcriptomic alterations in DCM through analysis that leveraged recent advancements in single-cell analytical tools. Single-cell RNA sequencing (scRNA-seq) data from human DCM cardiac tissue were subjected to an updated bioinformatic workflow in which unsupervised clustering was paired with reference label transfer to more comprehensively annotate the dataset. Differential gene expression was detected primarily in the cardiac fibroblast population. Bulk RNA sequencing was performed on an independent cohort of human cardiac tissue and compared with scRNA-seq gene alterations to generate a stratified list of higher-confidence, fibroblast-specific expression candidates for further validation. Concordant gene dysregulation was confirmed in TGFβ-induced fibroblasts. Functional assessment of gene candidates showed that AEBP1 may play a significant role in fibroblast activation. This unbiased approach enabled improved resolution of cardiac cell-type-specific transcriptomic alterations in DCM.
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Affiliation(s)
- Adam Russell-Hallinan
- Wellcome-Wolfson Institute for Experimental Medicine, Queen’s University Belfast, Belfast BT9 7BL, UK; (A.R.-H.); (C.T.); (K.E.); (D.A.S.)
| | - Oisín Cappa
- Wellcome-Wolfson Institute for Experimental Medicine, Queen’s University Belfast, Belfast BT9 7BL, UK; (A.R.-H.); (C.T.); (K.E.); (D.A.S.)
| | - Lauren Kerrigan
- Wellcome-Wolfson Institute for Experimental Medicine, Queen’s University Belfast, Belfast BT9 7BL, UK; (A.R.-H.); (C.T.); (K.E.); (D.A.S.)
| | - Claire Tonry
- Wellcome-Wolfson Institute for Experimental Medicine, Queen’s University Belfast, Belfast BT9 7BL, UK; (A.R.-H.); (C.T.); (K.E.); (D.A.S.)
| | - Kevin Edgar
- Wellcome-Wolfson Institute for Experimental Medicine, Queen’s University Belfast, Belfast BT9 7BL, UK; (A.R.-H.); (C.T.); (K.E.); (D.A.S.)
| | - Nadezhda Glezeva
- School of Medicine, UCD Conway Institute, University College Dublin, D04 V1W8 Dublin, Ireland; (N.G.); (K.M.)
| | - Mark Ledwidge
- STOP-HF Unit, St Vincent’s Healthcare Group, D04 T6F4 Dublin, Ireland;
| | - Kenneth McDonald
- School of Medicine, UCD Conway Institute, University College Dublin, D04 V1W8 Dublin, Ireland; (N.G.); (K.M.)
- STOP-HF Unit, St Vincent’s Healthcare Group, D04 T6F4 Dublin, Ireland;
| | - Patrick Collier
- Department of Cardiovascular Medicine, Cleveland Clinic, Cleveland, OH 44195, USA;
| | - David A. Simpson
- Wellcome-Wolfson Institute for Experimental Medicine, Queen’s University Belfast, Belfast BT9 7BL, UK; (A.R.-H.); (C.T.); (K.E.); (D.A.S.)
| | - Chris J. Watson
- Wellcome-Wolfson Institute for Experimental Medicine, Queen’s University Belfast, Belfast BT9 7BL, UK; (A.R.-H.); (C.T.); (K.E.); (D.A.S.)
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Shin K, Begeman IJ, Cao J, Kang J. leptin b and its regeneration enhancer illustrate the regenerative features of zebrafish hearts. Dev Dyn 2024; 253:91-106. [PMID: 36495292 PMCID: PMC10256838 DOI: 10.1002/dvdy.556] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2022] [Revised: 11/11/2022] [Accepted: 11/29/2022] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Zebrafish possess a remarkable regenerative capacity, which is mediated by the induction of various genes upon injury. Injury-dependent transcription is governed by the tissue regeneration enhancer elements (TREEs). Here, we utilized leptin b (lepb), an injury-specific factor, and its TREE to dissect heterogeneity of noncardiomyocytes (CMs) in regenerating hearts. RESULTS Our single-cell RNA sequencing (scRNA-seq) analysis demonstrated that the endothelium/endocardium(EC) is activated to induce distinct subpopulations upon injury. We demonstrated that lepb can be utilized as a regeneration-specific marker to subset injury-activated ECs. lepb+ ECs robustly induce pro-regenerative factors, implicating lepb+ ECs as a signaling center to interact with other cardiac cells. Our scRNA-seq analysis identified that lepb is also produced by subpopulation of epicardium (Epi) and epicardium-derived cells (EPDCs). To determine whether lepb labels injury-emerging non-CM cells, we tested the activity of lepb-linked regeneration enhancer (LEN) with chromatin accessibility profiles and transgenic lines. While nondetectable in uninjured hearts, LEN directs EC and Epi/EPDC expression upon injury. The endogenous LEN activity was assessed using LEN deletion lines, demonstrating that LEN deletion abolished injury-dependent expression of lepb, but not other nearby genes. CONCLUSIONS Our integrative analyses identify regeneration-emerging cell-types and factors, leading to the discovery of regenerative features of hearts.
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Affiliation(s)
- Kwangdeok Shin
- Department of Cell and Regenerative Biology, School of Medicine and Public Health, University of Wisconsin – Madison, Madison, WI, 53705, USA
| | - Ian J. Begeman
- Department of Cell and Regenerative Biology, School of Medicine and Public Health, University of Wisconsin – Madison, Madison, WI, 53705, USA
| | - Jingli Cao
- Cardiovascular Research Institute, Department of Cell and Developmental Biology, Weill Cornell Medical College, 1300 York Avenue, New York, NY 10021, USA
| | - Junsu Kang
- Department of Cell and Regenerative Biology, School of Medicine and Public Health, University of Wisconsin – Madison, Madison, WI, 53705, USA
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Dowling P, Gargan S, Zweyer M, Swandulla D, Ohlendieck K. Extracellular Matrix Proteomics: The mdx-4cv Mouse Diaphragm as a Surrogate for Studying Myofibrosis in Dystrophinopathy. Biomolecules 2023; 13:1108. [PMID: 37509144 PMCID: PMC10377647 DOI: 10.3390/biom13071108] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 07/06/2023] [Accepted: 07/10/2023] [Indexed: 07/30/2023] Open
Abstract
The progressive degeneration of the skeletal musculature in Duchenne muscular dystrophy is accompanied by reactive myofibrosis, fat substitution, and chronic inflammation. Fibrotic changes and reduced tissue elasticity correlate with the loss in motor function in this X-chromosomal disorder. Thus, although dystrophinopathies are due to primary abnormalities in the DMD gene causing the almost-complete absence of the cytoskeletal Dp427-M isoform of dystrophin in voluntary muscles, the excessive accumulation of extracellular matrix proteins presents a key histopathological hallmark of muscular dystrophy. Animal model research has been instrumental in the characterization of dystrophic muscles and has contributed to a better understanding of the complex pathogenesis of dystrophinopathies, the discovery of new disease biomarkers, and the testing of novel therapeutic strategies. In this article, we review how mass-spectrometry-based proteomics can be used to study changes in key components of the endomysium, perimysium, and epimysium, such as collagens, proteoglycans, matricellular proteins, and adhesion receptors. The mdx-4cv mouse diaphragm displays severe myofibrosis, making it an ideal model system for large-scale surveys of systematic alterations in the matrisome of dystrophic fibers. Novel biomarkers of myofibrosis can now be tested for their appropriateness in the preclinical and clinical setting as diagnostic, pharmacodynamic, prognostic, and/or therapeutic monitoring indicators.
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Affiliation(s)
- Paul Dowling
- Department of Biology, Maynooth University, National University of Ireland, W23 F2H6 Maynooth, Co. Kildare, Ireland
- Kathleen Lonsdale Institute for Human Health Research, Maynooth University, National University of Ireland, W23 F2H6 Maynooth, Co. Kildare, Ireland
| | - Stephen Gargan
- Department of Biology, Maynooth University, National University of Ireland, W23 F2H6 Maynooth, Co. Kildare, Ireland
- Kathleen Lonsdale Institute for Human Health Research, Maynooth University, National University of Ireland, W23 F2H6 Maynooth, Co. Kildare, Ireland
| | - Margit Zweyer
- Department of Neonatology and Paediatric Intensive Care, Children's Hospital, German Center for Neurodegenerative Diseases, University of Bonn, D53127 Bonn, Germany
| | - Dieter Swandulla
- Institute of Physiology, Medical Faculty, University of Bonn, D53115 Bonn, Germany
| | - Kay Ohlendieck
- Department of Biology, Maynooth University, National University of Ireland, W23 F2H6 Maynooth, Co. Kildare, Ireland
- Kathleen Lonsdale Institute for Human Health Research, Maynooth University, National University of Ireland, W23 F2H6 Maynooth, Co. Kildare, Ireland
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Siegel-Axel D, Barroso Oquendo M, Gerst F, Fend F, Wagner R, Heni M, Königsrainer A, Häring HU, Fritsche A, Schleicher E, Birkenfeld AL, Stefan N. Extracellular Matrix Expression in Human Pancreatic Fat Cells of Patients with Normal Glucose Regulation, Prediabetes and Type 2 Diabetes. Int J Mol Sci 2023; 24:11169. [PMID: 37446346 DOI: 10.3390/ijms241311169] [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: 05/31/2023] [Revised: 06/28/2023] [Accepted: 06/28/2023] [Indexed: 07/15/2023] Open
Abstract
Previously, we found that human pancreatic preadipocytes (PPAs) and islets influence each other and that the crosstalk with the fatty liver via the hepatokine fetuin-A/palmitate induces inflammatory responses. Here, we examined whether the mRNA-expression of pancreatic extracellular matrix (ECM)-forming and -degrading components differ in PPAs from individuals with normal glucose regulation (PPAs-NGR), prediabetes (PPAs-PD), and type 2 diabetes (PPAs-T2D), and whether fetuin-A/palmitate impacts ECM-formation/degradation and associated monocyte invasion. Human pancreatic resections were analyzed (immuno)histologically. PPAs were studied for mRNA expression by real-time PCR and protein secretion by Luminex analysis. Furthermore, co-cultures with human islets and monocyte migration assays in Transwell plates were conducted. We found that in comparison with NGR-PPAs, TIMP-2 mRNA levels were lower in PPAs-PD, and TGF-β1 mRNA levels were higher in PPAs-T2D. Fetuin-A/palmitate reduced fibronectin, decorin, TIMP-1/-2 and TGF-ß1 mRNA levels. Only fibronectin was strongly downregulated by fetuin-A/palmitate independently of the glycemic status. Co-culturing of PPAs with islets increased TIMP-1 mRNA expression in islets. Fetuin-A/palmitate increased MMP-1, usherin and dermatopontin mRNA-levels in co-cultured islets. A transmigration assay showed increased monocyte migration towards PPAs, which was enhanced by fetuin-A/palmitate. This was more pronounced in PPAs-T2D. The expression of distinct ECM components differs in PPAs-PD and PPAs-T2D compared to PPAs-NGR, suggesting that ECM alterations can occur even in mild hyperglycemia. Fetuin-A/palmitate impacts on ECM formation/degradation in PPAs and co-cultured islets. Fetuin-A/palmitate also enhances monocyte migration, a process which might impact on matrix turnover.
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Affiliation(s)
- Dorothea Siegel-Axel
- Institute for Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the University of Tübingen, 72076 Tübingen, Germany
- German Center for Diabetes Research (DZD e.V.), 85764 Neuherberg, Germany
- Department of Internal Medicine IV, University Hospital of Tübingen, Otfried-Müller Str. 10, 72076 Tübingen, Germany
| | - Morgana Barroso Oquendo
- Institute for Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the University of Tübingen, 72076 Tübingen, Germany
- German Center for Diabetes Research (DZD e.V.), 85764 Neuherberg, Germany
- Department of Internal Medicine IV, University Hospital of Tübingen, Otfried-Müller Str. 10, 72076 Tübingen, Germany
- EKU Tübingen, Quantitative Biology Center (QBiC), University of Tübingen, 72076 Tübingen, Germany
| | - Felicia Gerst
- Institute for Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the University of Tübingen, 72076 Tübingen, Germany
- German Center for Diabetes Research (DZD e.V.), 85764 Neuherberg, Germany
- Department of Internal Medicine IV, University Hospital of Tübingen, Otfried-Müller Str. 10, 72076 Tübingen, Germany
| | - Falko Fend
- Department of General Pathology and Pathological Anatomy, University Hospital Tübingen, 72076 Tübingen, Germany
| | - Robert Wagner
- Institute for Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the University of Tübingen, 72076 Tübingen, Germany
- German Center for Diabetes Research (DZD e.V.), 85764 Neuherberg, Germany
- Department of Internal Medicine IV, University Hospital of Tübingen, Otfried-Müller Str. 10, 72076 Tübingen, Germany
- Institute for Clinical Diabetology, German Diabetes Center (DDZ), Heinrich Heine University Düsseldorf (HHU), 40225 Düsseldorf, Germany
| | - Martin Heni
- Institute for Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the University of Tübingen, 72076 Tübingen, Germany
- German Center for Diabetes Research (DZD e.V.), 85764 Neuherberg, Germany
- Department of Internal Medicine IV, University Hospital of Tübingen, Otfried-Müller Str. 10, 72076 Tübingen, Germany
- Division of Endocrinology and Diabetology, Department of Internal Medicine I, University Hospital Ulm, 89081 Ulm, Germany
| | - Alfred Königsrainer
- Department of General, Visceral and Transplant Surgery, University Hospital Tübingen, 72076 Tübingen, Germany
| | - Hans-Ulrich Häring
- Institute for Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the University of Tübingen, 72076 Tübingen, Germany
- German Center for Diabetes Research (DZD e.V.), 85764 Neuherberg, Germany
- Department of Internal Medicine IV, University Hospital of Tübingen, Otfried-Müller Str. 10, 72076 Tübingen, Germany
| | - Andreas Fritsche
- Institute for Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the University of Tübingen, 72076 Tübingen, Germany
- German Center for Diabetes Research (DZD e.V.), 85764 Neuherberg, Germany
- Department of Internal Medicine IV, University Hospital of Tübingen, Otfried-Müller Str. 10, 72076 Tübingen, Germany
| | - Erwin Schleicher
- Institute for Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the University of Tübingen, 72076 Tübingen, Germany
- German Center for Diabetes Research (DZD e.V.), 85764 Neuherberg, Germany
- Department of Internal Medicine IV, University Hospital of Tübingen, Otfried-Müller Str. 10, 72076 Tübingen, Germany
- Institute for Clinical Chemistry and Pathobiochemistry, Department for Diagnostic Laboratory Medicine, University Hospital Tübingen, 72076 Tübingen, Germany
| | - Andreas L Birkenfeld
- Institute for Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the University of Tübingen, 72076 Tübingen, Germany
- German Center for Diabetes Research (DZD e.V.), 85764 Neuherberg, Germany
- Department of Internal Medicine IV, University Hospital of Tübingen, Otfried-Müller Str. 10, 72076 Tübingen, Germany
| | - Norbert Stefan
- Institute for Diabetes Research and Metabolic Diseases (IDM) of the Helmholtz Center Munich at the University of Tübingen, 72076 Tübingen, Germany
- German Center for Diabetes Research (DZD e.V.), 85764 Neuherberg, Germany
- Department of Internal Medicine IV, University Hospital of Tübingen, Otfried-Müller Str. 10, 72076 Tübingen, Germany
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Zhao X, Xie Z, Rao N, Zhang S, Zhang Y. Effect of dermatopontin on osteogenic differentiation of periodontal ligament stem cells. Gene 2023; 858:147185. [PMID: 36632910 DOI: 10.1016/j.gene.2023.147185] [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: 09/13/2022] [Revised: 01/03/2023] [Accepted: 01/05/2023] [Indexed: 01/11/2023]
Abstract
Human periodontal ligament stem cells (hPDLSCs) are promising seed cells for oral bone tissue engineering. Dermatopontin (DPT) is a small-molecule protein recognized as a non-collagenous component of the extracellular matrix and is associated with a variety of biological processes. In this study, we first determined that DPT was elevated during the osteogenic differentiation of hPDLSCs. HPDLSCs interfering with DPT expression were established by lentiviral infection. It was found that the proliferation and osteogenic differentiation ability of hPDLSCs were inhibited after interfering DPT with lentivirus. Exogenous recombinant DPT treatment could not alter the proliferation of hPDLSCs. Coincidentally, exogenous DPT can only enhance the osteogenic differentiation of hPDLSCs in the control lentivirus group, but had no significant effect on the DPT interference group. This study expands the understanding of DPT function and implicates DPT as an important target for enhancing osteogenic differentiation of hPDLSCs.
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Affiliation(s)
- Xuechun Zhao
- Department of Oral Implantology, School and Hospital of Stomatology, Kunming Medical University, Kunming, PR China; Yunnan Key Laboratory of Stomatology, Kunming, PR China
| | - Zhigang Xie
- Department of Oral Implantology, School and Hospital of Stomatology, Kunming Medical University, Kunming, PR China; Yunnan Key Laboratory of Stomatology, Kunming, PR China
| | - Nanquan Rao
- Department of Oral Implantology, School and Hospital of Stomatology, Kunming Medical University, Kunming, PR China; Yunnan Key Laboratory of Stomatology, Kunming, PR China
| | - Shu Zhang
- Department of Oral Implantology, School and Hospital of Stomatology, Kunming Medical University, Kunming, PR China; Yunnan Key Laboratory of Stomatology, Kunming, PR China
| | - Yunpeng Zhang
- Department of Oral Implantology, School and Hospital of Stomatology, Kunming Medical University, Kunming, PR China; Yunnan Key Laboratory of Stomatology, Kunming, PR China.
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8
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He W, Huang C, Shi X, Wu M, Li H, Liu Q, Zhang X, Zhao Y, Li X. Single-cell transcriptomics of hepatic stellate cells uncover crucial pathways and key regulators involved in non-alcoholic steatohepatitis. Endocr Connect 2023; 12:e220502. [PMID: 36562664 PMCID: PMC9874973 DOI: 10.1530/ec-22-0502] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 12/23/2022] [Indexed: 12/24/2022]
Abstract
Background Fibrosis is an important pathological process in the development of non-alcoholic steatohepatitis (NASH), and the activation of hepatic stellate cell (HSC) is a central event in liver fibrosis. However, the transcriptomic change of activated HSCs (aHSCs) and resting HSCs (rHSCs) in NASH patients has not been assessed. This study aimed to identify transcriptomic signature of HSCs during the development of NASH and the underlying key functional pathways. Methods NASH-associated transcriptomic change of HSCs was defined by single-cell RNA-sequencing (scRNA-seq) analysis, and those top upregulated genes were identified as NASH-associated transcriptomic signatures. Those functional pathways involved in the NASH-associated transcriptomic change of aHSCs were explored by weighted gene co-expression network analysis (WGCNA) and functional enrichment analyses. Key regulators were explored by upstream regulator analysis and transcription factor enrichment analysis. Results scRNA-seq analysis identified numerous differentially expressed genes in both rHSCs and aHSCs between NASH patients and healthy controls. Both scRNA-seq analysis and in-vivo experiments showed the existence of rHSCs (mainly expressing a-SMA) in the normal liver and the increased aHSCs (mainly expressing collagen 1) in the fibrosis liver tissues. NASH-associated transcriptomic signature of rHSC (NASHrHSCsignature) and NASH-associated transcriptomic signature of aHSC (NASHaHSCsignature) were identified. WGCNA revealed the main pathways correlated with the transcriptomic change of aHSCs. Several key upstream regulators and transcription factors for determining the functional change of aHSCs in NASH were identified. Conclusion This study developed a useful transcriptomic signature with the potential in assessing fibrosis severity in the development of NASH. This study also identified the main pathways in the activation of HSCs during the development of NASH.
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Affiliation(s)
- Weiwei He
- School of Medicine, Xiamen University, Xiamen, China
- Xiamen Diabetes Institute, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Fujian Provincial Key Laboratory of Translational Medicine for Diabetes, Xiamen, China
| | - Caoxin Huang
- Xiamen Diabetes Institute, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Fujian Provincial Key Laboratory of Translational Medicine for Diabetes, Xiamen, China
| | - Xiulin Shi
- Xiamen Diabetes Institute, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Fujian Provincial Key Laboratory of Translational Medicine for Diabetes, Xiamen, China
- Department of Endocrinology and Diabetes, The First Affiliated Hospital of Xiamen University, Xiamen, China
| | - Menghua Wu
- School of Medicine, Xiamen University, Xiamen, China
- Xiamen Diabetes Institute, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Fujian Provincial Key Laboratory of Translational Medicine for Diabetes, Xiamen, China
| | - Han Li
- School of Medicine, Xiamen University, Xiamen, China
- Xiamen Diabetes Institute, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Fujian Provincial Key Laboratory of Translational Medicine for Diabetes, Xiamen, China
| | - Qiuhong Liu
- School of Medicine, Xiamen University, Xiamen, China
- Xiamen Diabetes Institute, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Fujian Provincial Key Laboratory of Translational Medicine for Diabetes, Xiamen, China
| | - Xiaofang Zhang
- Xiamen Diabetes Institute, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Fujian Provincial Key Laboratory of Translational Medicine for Diabetes, Xiamen, China
| | - Yan Zhao
- Xiamen Diabetes Institute, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Fujian Provincial Key Laboratory of Translational Medicine for Diabetes, Xiamen, China
| | - Xuejun Li
- Xiamen Diabetes Institute, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Fujian Provincial Key Laboratory of Translational Medicine for Diabetes, Xiamen, China
- Department of Endocrinology and Diabetes, The First Affiliated Hospital of Xiamen University, Xiamen, China
- Xiamen Clinical Medical Center for Endocrine and Metabolic Diseases, Xiamen Diabetes Prevention and Treatment Center, Xiamen, China
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9
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Regenerative Medicine-Based Treatment for Vitiligo: An Overview. Biomedicines 2022; 10:biomedicines10112744. [DOI: 10.3390/biomedicines10112744] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Revised: 10/21/2022] [Accepted: 10/25/2022] [Indexed: 11/16/2022] Open
Abstract
Vitiligo is a complex disorder with an important effect on the self-esteem and social life of patients. It is the commonest acquired depigmentation disorder characterized by the development of white macules resulting from the selective loss of epidermal melanocytes. The pathophysiology is complex and involves genetic predisposition, environmental factors, oxidative stress, intrinsic metabolic dysfunctions, and abnormal inflammatory/immune responses. Although several therapeutic options have been proposed to stabilize the disease by stopping the depigmentation process and inducing durable repigmentation, no specific cure has yet been defined, and the long-term persistence of repigmentation is unpredictable. Recently, due to the progressive loss of functional melanocytes associated with failure to spontaneously recover pigmentation, several different cell-based and cell-free regenerative approaches have been suggested to treat vitiligo. This review gives an overview of clinical and preclinical evidence for innovative regenerative approaches for vitiligo patients.
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10
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Jensen MM, Bonna A, Frederiksen SJ, Hamaia SW, Højrup P, Farndale RW, Karring H. Tyrosine-sulfated dermatopontin shares multiple binding sites and recognition determinants on triple-helical collagens with proteins implicated in cell adhesion and collagen folding, fibrillogenesis, cross-linking, and degradation. BIOCHIMICA ET BIOPHYSICA ACTA. PROTEINS AND PROTEOMICS 2022; 1870:140771. [PMID: 35306228 DOI: 10.1016/j.bbapap.2022.140771] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/01/2021] [Revised: 03/09/2022] [Accepted: 03/13/2022] [Indexed: 06/14/2023]
Abstract
Dermatopontin (DPT), a small extracellular matrix protein that stimulates collagen fibrillogenesis, contains sulfotyrosine residues but neither its level of sulfation nor its binding sites on fibrillar collagens are known. Here, we discovered that DPT is present in a relatively high mass concentration (~ 0.02%) in porcine corneal stroma, from which we purified five DPT charge variants (A-E) containing up to six sulfations. The major variant (C), containing four sulfotyrosine residues, was used to locate binding sites for DPT on triple-helical collagens II and III using the Collagen Toolkits. DPT-binding loci included the triple helix crosslinking sites and collagenase cleavage site. We find that strong DPT-binding sites on triple-helical collagen comprise an arginine-rich, positively-charged sequence that also contains hydrophobic residues. This collagen-binding signature of DPT is similar to that of the chaperone HSP47. Thus, we propose that DPT assumes the role of HSP47 as a collagen chaperone during and after the secretion. Peptide II-44, harbouring the conserved collagenase cleavage site, shows the strongest DPT-binding of the Collagen Toolkit II peptides. Substituting any of the three arginine residues (R) with alanine in the sequence GLAGQRGIVGLOGQRGER of II-44 resulted in almost complete loss of DPT binding. Since osteogenesis imperfecta, spondyloepiphyseal dysplasia, and spondyloepimetaphyseal dysplasia congenita are associated with missense mutations that substitute the corresponding arginine residues in collagens alpha-1(I) and alpha-1(II), we suggest that disrupted DPT binding to fibrillar collagens may contribute to these connective tissue disorders. In conclusion, the present work provides a cornerstone for further elucidation of the role of DPT.
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Affiliation(s)
- Morten M Jensen
- Department of Green Technology, University of Southern Denmark, 5230 Odense, Denmark
| | - Arkadiusz Bonna
- Department of Biochemistry, Downing Site, University of Cambridge, Cambridge CB2 1QW, United Kingdom
| | - Sigurd J Frederiksen
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, 5230 Odense, Denmark
| | - Samir W Hamaia
- Department of Biochemistry, Downing Site, University of Cambridge, Cambridge CB2 1QW, United Kingdom
| | - Peter Højrup
- Department of Biochemistry and Molecular Biology, University of Southern Denmark, 5230 Odense, Denmark
| | - Richard W Farndale
- Department of Biochemistry, Downing Site, University of Cambridge, Cambridge CB2 1QW, United Kingdom
| | - Henrik Karring
- Department of Green Technology, University of Southern Denmark, 5230 Odense, Denmark.
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11
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Ahmad K, Lim JH, Lee EJ, Chun HJ, Ali S, Ahmad SS, Shaikh S, Choi I. Extracellular Matrix and the Production of Cultured Meat. Foods 2021; 10:foods10123116. [PMID: 34945667 PMCID: PMC8700801 DOI: 10.3390/foods10123116] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2021] [Revised: 12/05/2021] [Accepted: 12/13/2021] [Indexed: 12/28/2022] Open
Abstract
Cultured meat production is an evolving method of producing animal meat using tissue engineering techniques. Cells, chemical factors, and suitable biomaterials that serve as scaffolds are all essential for the cultivation of muscle tissue. Scaffolding is essential for the development of organized meat products resembling steaks because it provides the mechanical stability needed by cells to attach, differentiate, and mature. In in vivo settings, extracellular matrix (ECM) ensures substrates and scaffolds are provided for cells. The ECM of skeletal muscle (SM) maintains tissue elasticity, creates adhesion points for cells, provides a three-dimensional (3D) environment, and regulates biological processes. Consequently, creating mimics of native ECM is a difficult task. Animal-derived polymers like collagen are often regarded as the gold standard for producing scaffolds with ECM-like properties. Animal-free scaffolds are being investigated as a potential source of stable, chemically defined, low-cost materials for cultured meat production. In this review, we explore the influence of ECM on myogenesis and its role as a scaffold and vital component to improve the efficacy of the culture media used to produce cultured meat.
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Affiliation(s)
- Khurshid Ahmad
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea; (K.A.); (J.-H.L.); (E.-J.L.); (H.-J.C.); (S.A.); (S.S.A.); (S.S.)
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Korea
| | - Jeong-Ho Lim
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea; (K.A.); (J.-H.L.); (E.-J.L.); (H.-J.C.); (S.A.); (S.S.A.); (S.S.)
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Korea
| | - Eun-Ju Lee
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea; (K.A.); (J.-H.L.); (E.-J.L.); (H.-J.C.); (S.A.); (S.S.A.); (S.S.)
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Korea
| | - Hee-Jin Chun
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea; (K.A.); (J.-H.L.); (E.-J.L.); (H.-J.C.); (S.A.); (S.S.A.); (S.S.)
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Korea
| | - Shahid Ali
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea; (K.A.); (J.-H.L.); (E.-J.L.); (H.-J.C.); (S.A.); (S.S.A.); (S.S.)
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Korea
| | - Syed Sayeed Ahmad
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea; (K.A.); (J.-H.L.); (E.-J.L.); (H.-J.C.); (S.A.); (S.S.A.); (S.S.)
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Korea
| | - Sibhghatulla Shaikh
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea; (K.A.); (J.-H.L.); (E.-J.L.); (H.-J.C.); (S.A.); (S.S.A.); (S.S.)
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Korea
| | - Inho Choi
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea; (K.A.); (J.-H.L.); (E.-J.L.); (H.-J.C.); (S.A.); (S.S.A.); (S.S.)
- Research Institute of Cell Culture, Yeungnam University, Gyeongsan 38541, Korea
- Correspondence:
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12
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Matsunaga N, Narukawa N, Yamasaki T, Katayama S, Hitsumoto Y. Inhibition of the interaction between fibronectin and dermatopontin by Clostridium perfringens fibronectin-binding proteins. Microbiol Immunol 2021; 65:333-341. [PMID: 33991001 DOI: 10.1111/1348-0421.12917] [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: 07/06/2020] [Revised: 05/03/2021] [Accepted: 05/11/2021] [Indexed: 11/26/2022]
Abstract
Fibronectin (Fn) is an approximately 450 kDa glycoprotein that consists of 12 type I, 2 type II, and 15-17 type III modules. Fibrillation of Fn is important for tissue reconstitution and wound healing. We previously reported that Clostridium perfringens produces several Fn-binding proteins (Fbps), two of which, FbpA and FbpB, bind to III1 -C (a fragment of Fn derived from the carboxyl-terminal two-thirds of the first-type III module). Dermatopontin (DPT), a 22 kDa noncollagenous extracellular matrix protein, accelerates normal collagen fibrillation and induces Fn fibrillation. DPT interacts with Fn-type III12-14 (III12-14 ), leading to a change in Fn conformation and promoting Fn fibrillation. Here, we investigated the effects of FbpA and FbpB on the binding of Fn and the III12-14 fragment to DPT and on the DPT-induced Fn fibrillation. Both recombinant FbpA (rFbpA) and recombinant FbpB (rFbpB) significantly inhibited Fn binding to DPT and recombinant III12-14 (rIII12-14 ) binding, and inhibited DPT-induced Fn fibrillation. Furthermore, it was found that both rFbpA and rFbpB significantly bound to coated DPT in an enzyme-linked avidin-biotin complex system, whereas rIII12-14 did not bind to either coated rFbpA or rFbpB. In conclusion, both FbpA and FbpB inhibited DPT-induced Fn fibrillation via their interaction with DPT. Both FbpA and FbpB released from lysed C. perfringens cells in wounds and/or infected tissue may prevent Fn fibrillation and delay the wound healing process, subsequently exacerbating infection.
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Affiliation(s)
- Nozomu Matsunaga
- Department of Life Science, Faculty of Science, Okayama University of Science, Okayama, Japan
| | - Nodoka Narukawa
- Department of Life Science, Faculty of Science, Okayama University of Science, Okayama, Japan
| | | | - Seiichi Katayama
- Department of Life Science, Faculty of Science, Okayama University of Science, Okayama, Japan
| | - Yasuo Hitsumoto
- Department of Life Science, Faculty of Science, Okayama University of Science, Okayama, Japan
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13
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Wawrzykowski J, Jamioł M, Kankofer M. The role of dermatopontin in cell adhesion in bovine placenta during early-mid pregnancy and parturition - Pilot study. Theriogenology 2021; 171:130-136. [PMID: 34058505 DOI: 10.1016/j.theriogenology.2021.05.014] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 05/13/2021] [Accepted: 05/15/2021] [Indexed: 11/27/2022]
Abstract
Dermatopontin (DPT) is a small protein molecule thought to have a role in the formation of the extracellular architecture and adhesion. The aim of the study was to confirm the presence of DPT and to examine its role in placental cell adhesion during pregnancy, at parturition and postpartum in cows. Placental tissue samples were obtained at abattoir from healthy pregnant cows (n = 6) while parturient samples were collected during caesarian section and retrospectively divided into released up to 6 h (R; n = 5) and not released up to 6 h (NR; n = 4) foetal membranes. Maternal epithelial cells were isolated from pregnant samples and were used for the examination of the influence of DPT (5, 50 and 100 ng/mL) on cell adhesion. Parturient samples were manually divided into maternal and foetal part and individually homogenized for Western blotting and ELISA analysis. Western blotting confirmed the presence of DPT in examined tissues. ELISA test showed significant (p < 0.05) decrease in DPT concentration within examined pregnancy period with higher concentrations in maternal part (p < 0.05). Moreover, at parturition DPT concentration further decreased in maternal (p < 0.05) but increased (p < 0.05) in fetal part. The examination of not released samples showed opposite relationship in comparison to parturient samples - the increase in maternal (p < 0.05) and the decrease in fetal (p < 0.05) part of placenta. DPT facilitated the adhesion of epithelial cells in examined periods of pregnancy in increasing manner with pregnancy course. The presence of DPT in bovine placenta during pregnancy and parturition was confirmed. This protein may influence cell adhesion during attachment and detachment of placenta. Further studies on mechanisms of action of DPT in bovine placenta are necessary.
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Affiliation(s)
- Jacek Wawrzykowski
- Department of Biochemistry, Faculty of Veterinary Medicine, University of Life Science in Lublin, Akademicka Street 12, 20-033, Lublin, Poland.
| | - Monika Jamioł
- Department of Biochemistry, Faculty of Veterinary Medicine, University of Life Science in Lublin, Akademicka Street 12, 20-033, Lublin, Poland.
| | - Marta Kankofer
- Department of Biochemistry, Faculty of Veterinary Medicine, University of Life Science in Lublin, Akademicka Street 12, 20-033, Lublin, Poland.
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14
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Seetaraman Amritha TM, Mahajan S, Subramaniam K, Chandramohan Y, Dhanasekaran A. Cloning, expression and purification of recombinant dermatopontin in Escherichia coli. PLoS One 2020; 15:e0242798. [PMID: 33253286 PMCID: PMC7703894 DOI: 10.1371/journal.pone.0242798] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Accepted: 11/09/2020] [Indexed: 12/03/2022] Open
Abstract
Dermatopontin (DPT) is an extracellular matrix (ECM) protein with diversified pharmaceutical applications. It plays important role in cell adhesion/migration, angiogenesis and ECM maintenance. The recombinant production of this protein will enable further exploration of its multifaceted functions. In this study, DPT protein has been expressed in Escherichia coli (E.coli) aiming at cost effective recombinant production. The E.coli GJ1158 expression system was transformed with constructed recombinant vector (pRSETA-DPT) and protein was expressed as inclusion bodies on induction with NaCl. The inclusion bodies were solubilised in urea and renaturation of protein was done by on-column refolding procedure in Nickel activated Sepharose column. The refolded Histidine-tagged DPT protein was purified and eluted from column using imidazole and its purity was confirmed by analytical techniques. The biological activity of the protein was confirmed by collagen fibril assay, wound healing assay and Chorioallantoic Membrane (CAM) angiogenesis assay on comparison with standard DPT. The purified DPT was found to enhance the collagen fibrillogenesis process and improved the migration of human endothelial cells. About 73% enhanced wound closure was observed in purified DPT treated endothelial cells as compared to control. The purified DPT also could induce neovascularisation in the CAM model. At this stage, scaling up the production process for DPT with appropriate purity and reproducibility will have a promising commercial edge.
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Affiliation(s)
| | - Shubham Mahajan
- SRM Institute of Science and Technology, Chennai, Tamil Nadu, India
| | - Kumar Subramaniam
- Centre for Biotechnology, Anna University, Chennai, Tamil Nadu, India
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15
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Dhavalikar P, Robinson A, Lan Z, Jenkins D, Chwatko M, Salhadar K, Jose A, Kar R, Shoga E, Kannapiran A, Cosgriff-Hernandez E. Review of Integrin-Targeting Biomaterials in Tissue Engineering. Adv Healthc Mater 2020; 9:e2000795. [PMID: 32940020 PMCID: PMC7960574 DOI: 10.1002/adhm.202000795] [Citation(s) in RCA: 48] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 08/27/2020] [Indexed: 12/12/2022]
Abstract
The ability to direct cell behavior has been central to the success of numerous therapeutics to regenerate tissue or facilitate device integration. Biomaterial scientists are challenged to understand and modulate the interactions of biomaterials with biological systems in order to achieve effective tissue repair. One key area of research investigates the use of extracellular matrix-derived ligands to target specific integrin interactions and induce cellular responses, such as increased cell migration, proliferation, and differentiation of mesenchymal stem cells. These integrin-targeting proteins and peptides have been implemented in a variety of different polymeric scaffolds and devices to enhance tissue regeneration and integration. This review first presents an overview of integrin-mediated cellular processes that have been identified in angiogenesis, wound healing, and bone regeneration. Then, research utilizing biomaterials are highlighted with integrin-targeting motifs as a means to direct these cellular processes to enhance tissue regeneration. In addition to providing improved materials for tissue repair and device integration, these innovative biomaterials provide new tools to probe the complex processes of tissue remodeling in order to enhance the rational design of biomaterial scaffolds and guide tissue regeneration strategies.
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Affiliation(s)
- Prachi Dhavalikar
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Andrew Robinson
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Ziyang Lan
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Dana Jenkins
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Malgorzata Chwatko
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Karim Salhadar
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Anupriya Jose
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Ronit Kar
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Erik Shoga
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
| | - Aparajith Kannapiran
- Department of Biomedical Engineering, University of Texas at Austin, Austin, TX, 78712, USA
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16
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Bridges JP, Sudha P, Lipps D, Wagner A, Guo M, Du Y, Brown K, Filuta A, Kitzmiller J, Stockman C, Chen X, Weirauch MT, Jobe AH, Whitsett JA, Xu Y. Glucocorticoid regulates mesenchymal cell differentiation required for perinatal lung morphogenesis and function. Am J Physiol Lung Cell Mol Physiol 2020; 319:L239-L255. [PMID: 32460513 DOI: 10.1152/ajplung.00459.2019] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
While antenatal glucocorticoids are widely used to enhance lung function in preterm infants, cellular and molecular mechanisms by which glucocorticoid receptor (GR) signaling influences lung maturation remain poorly understood. Deletion of the glucocorticoid receptor gene (Nr3c1) from fetal pulmonary mesenchymal cells phenocopied defects caused by global Nr3c1 deletion, while lung epithelial- or endothelial-specific Nr3c1 deletion did not impair lung function at birth. We integrated genome-wide gene expression profiling, ATAC-seq, and single cell RNA-seq data in mice in which GR was deleted or activated to identify the cellular and molecular mechanisms by which glucocorticoids control prenatal lung maturation. GR enhanced differentiation of a newly defined proliferative mesenchymal progenitor cell (PMP) into matrix fibroblasts (MFBs), in part by directly activating extracellular matrix-associated target genes, including Fn1, Col16a4, and Eln and by modulating VEGF, JAK-STAT, and WNT signaling. Loss of mesenchymal GR signaling blocked fibroblast progenitor differentiation into mature MFBs, which in turn increased proliferation of SOX9+ alveolar epithelial progenitor cells and inhibited differentiation of mature alveolar type II (AT2) and AT1 cells. GR signaling controls genes required for differentiation of a subset of proliferative mesenchymal progenitors into matrix fibroblasts, in turn, regulating signals controlling AT2/AT1 progenitor cell proliferation and differentiation and identifying cells and processes by which glucocorticoid signaling regulates fetal lung maturation.
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Affiliation(s)
- James P Bridges
- Perinatal Institute, Section of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.,Department of Pediatrics, University of Cincinnati School of Medicine, Cincinnati, Ohio
| | - Parvathi Sudha
- Perinatal Institute, Section of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Dakota Lipps
- College of Engineering and Applied Science, University of Cincinnati, Cincinnati, Ohio
| | - Andrew Wagner
- College of Engineering and Applied Science, University of Cincinnati, Cincinnati, Ohio
| | - Minzhe Guo
- Perinatal Institute, Section of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Yina Du
- Perinatal Institute, Section of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Kari Brown
- Perinatal Institute, Section of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Alyssa Filuta
- Perinatal Institute, Section of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Joseph Kitzmiller
- Perinatal Institute, Section of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Courtney Stockman
- Perinatal Institute, Section of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Xiaoting Chen
- Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Matthew T Weirauch
- Department of Pediatrics, University of Cincinnati School of Medicine, Cincinnati, Ohio.,Division of Biomedical Informatics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.,Center for Autoimmune Genomics and Etiology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.,Division of Developmental Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
| | - Alan H Jobe
- Perinatal Institute, Section of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.,Department of Pediatrics, University of Cincinnati School of Medicine, Cincinnati, Ohio
| | - Jeffrey A Whitsett
- Perinatal Institute, Section of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.,Department of Pediatrics, University of Cincinnati School of Medicine, Cincinnati, Ohio
| | - Yan Xu
- Perinatal Institute, Section of Pulmonary Biology, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio.,Department of Pediatrics, University of Cincinnati School of Medicine, Cincinnati, Ohio.,Division of Biomedical Informatics, Cincinnati Children's Hospital Medical Center, Cincinnati, Ohio
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17
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Huang Y, Kyriakides TR. The role of extracellular matrix in the pathophysiology of diabetic wounds. Matrix Biol Plus 2020; 6-7:100037. [PMID: 33543031 PMCID: PMC7852307 DOI: 10.1016/j.mbplus.2020.100037] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 04/13/2020] [Accepted: 04/14/2020] [Indexed: 12/29/2022] Open
Abstract
Impaired healing leading to the formation of ulcerated wounds is a critical concern in patients with diabetes. Abnormalities in extracellular matrix (ECM) production and remodeling contribute to tissue dysfunction and delayed healing. Specifically, diabetes-induced changes in the expression and/or activity of structural proteins, ECM-modifying enzymes, proteoglycans, and matricellular proteins have been reported. In this review, we provide a summary of the key ECM molecules and associated changes in skin and diabetic wounds. Such information should allow for new insights in the understanding of impaired wound healing and lead to the development of ECM-based therapeutic strategies.
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Affiliation(s)
- Yaqing Huang
- Vascular Biology and Therapeutics Program, Yale University, New Haven, CT 06519, USA.,Department of Pathology, Yale University, New Haven, CT 06519, USA
| | - Themis R Kyriakides
- Vascular Biology and Therapeutics Program, Yale University, New Haven, CT 06519, USA.,Department of Pathology, Yale University, New Haven, CT 06519, USA.,Department of Biomedical Engineering, Yale University, New Haven, CT 06519, USA
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18
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Dermatopontin, A Novel Adipokine Promoting Adipose Tissue Extracellular Matrix Remodelling and Inflammation in Obesity. J Clin Med 2020; 9:jcm9041069. [PMID: 32283761 PMCID: PMC7230369 DOI: 10.3390/jcm9041069] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2020] [Revised: 03/27/2020] [Accepted: 04/07/2020] [Indexed: 12/16/2022] Open
Abstract
Compelling evidence suggests that dermatopontin (DPT) regulates collagen and fibronectin fibril formation, the induction of cell adhesion and the prompting of wound healing. We aimed to evaluate the role of DPT on obesity and its associated metabolic alterations as well as its impact in visceral adipose tissue (VAT) inflammation and extracellular matrix (ECM) remodelling. Samples obtained from 54 subjects were used in a case-control study. Circulating and VAT expression levels of DPT as well as key ECM remodelling- and inflammation-related genes were analysed. The effect of pro- and anti-inflammatory mediators on the transcript levels of DPT in visceral adipocytes was explored. The impact of DPT on ECM remodelling and inflammation pathways was also evaluated in cultured adipocytes. We show that obesity and obesity-associated type 2 diabetes (T2D) increased (p < 0.05) circulating levels of DPT. In this line, DPT mRNA in VAT was increased (p < 0.05) in obese patients with and without T2D. Gene expression levels of DPT were enhanced (p < 0.05) in human visceral adipocytes after the treatment with lipopolysaccharide, tumour growth factor (TGF)-β and palmitic acid, whereas a downregulation (p < 0.05) was detected after the stimulation with interleukin (IL)-4 and IL-13, critical cytokines mediating anti-inflammatory pathways. Additionally, we revealed that DPT increased (p < 0.05) the expression of ECM- (COL6A3, ELN, MMP9, TNMD) and inflammation-related factors (IL6, IL8, TNF) in human visceral adipocytes. These findings provide, for the first time, evidence of a novel role of DPT in obesity and its associated comorbidities by influencing AT remodelling and inflammation.
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19
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Ahmad K, Shaikh S, Ahmad SS, Lee EJ, Choi I. Cross-Talk Between Extracellular Matrix and Skeletal Muscle: Implications for Myopathies. Front Pharmacol 2020; 11:142. [PMID: 32184725 PMCID: PMC7058629 DOI: 10.3389/fphar.2020.00142] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2019] [Accepted: 02/04/2020] [Indexed: 12/13/2022] Open
Abstract
Skeletal muscle (SM) comprises around 40% of total body weight and is among the most important plastic tissues, as it supports skeletal development, controls body temperature, and manages glucose levels. Extracellular matrix (ECM) maintains the integrity of SM, enables biochemical signaling, provides structural support, and plays a vital role during myogenesis. Several human diseases are coupled with dysfunctions of the ECM, and several ECM components are involved in disease pathologies that affect almost all organ systems. Thus, mutations in ECM genes that encode proteins and their transmembrane receptors can result in diverse SM diseases, a large proportion of which are types of fibrosis and muscular dystrophy. In this review, we present major ECM components of SMs related to muscle-associated diseases, and discuss two major ECM myopathies, namely, collagen myopathy and laminin myopathies, and their therapeutic managements. A comprehensive understanding of the mechanisms underlying these ECM-related myopathies would undoubtedly aid the discovery of novel treatments for these devastating diseases.
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Affiliation(s)
- Khurshid Ahmad
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, South Korea
| | - Sibhghatulla Shaikh
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, South Korea
| | - Syed Sayeed Ahmad
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, South Korea
| | - Eun Ju Lee
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, South Korea
| | - Inho Choi
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan, South Korea
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20
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Ma F, Tremmel DM, Li Z, Lietz CB, Sackett SD, Odorico JS, Li L. In Depth Quantification of Extracellular Matrix Proteins from Human Pancreas. J Proteome Res 2019; 18:3156-3165. [PMID: 31200599 DOI: 10.1021/acs.jproteome.9b00241] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
Abstract
Extracellular matrix (ECM) is an important component of the pancreatic microenvironment which regulates β cell proliferation, differentiation, and insulin secretion. Protocols have recently been developed for the decellularization of the human pancreas to generate functional scaffolds and hydrogels. In this work, we characterized human pancreatic ECM composition before and after decellularization using isobaric dimethylated leucine (DiLeu) labeling for relative quantification of ECM proteins. A novel correction factor was employed in the study to eliminate the bias introduced during sample preparation. In comparison to the commonly employed sample preparation methods (urea and FASP) for proteomic analysis, a recently developed surfactant and chaotropic agent assisted sequential extraction/on pellet digestion (SCAD) protocol has provided an improved strategy for ECM protein extraction of human pancreatic ECM matrix. The quantitative proteomic results revealed the preservation of matrisome proteins while most of the cellular proteins were removed. This method was compared with a well-established label-free quantification (LFQ) approach which rendered similar expressions of different categories of proteins (collagens, ECM glycoproteins, proteoglycans, etc.). The distinct expression of ECM proteins was quantified comparing adult and fetal pancreas ECM, shedding light on the correlation between matrix composition and postnatal β cell maturation. Despite the distinct profiles of different subcategories in the native pancreas, the distribution of matrisome proteins exhibited similar trends after the decellularization process. Our method generated a large data set of matrisome proteins from a single tissue type. These results provide valuable insight into the possibilities of constructing a bioengineered pancreas. It may also facilitate better understanding of the potential roles that matrisome proteins play in postnatal β cell maturation.
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Affiliation(s)
- Fengfei Ma
- School of Pharmacy , University of Wisconsin-Madison , Madison , Wisconsin 53705 , United States
| | - Daniel M Tremmel
- Department of Surgery, Division of Transplantation, School of Medicine and Public Health , University of Wisconsin-Madison , Madison , Wisconsin 53705 , United States
| | - Zihui Li
- Department of Chemistry , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Christopher B Lietz
- Department of Chemistry , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
| | - Sara Dutton Sackett
- Department of Surgery, Division of Transplantation, School of Medicine and Public Health , University of Wisconsin-Madison , Madison , Wisconsin 53705 , United States
| | - Jon S Odorico
- Department of Surgery, Division of Transplantation, School of Medicine and Public Health , University of Wisconsin-Madison , Madison , Wisconsin 53705 , United States
| | - Lingjun Li
- School of Pharmacy , University of Wisconsin-Madison , Madison , Wisconsin 53705 , United States.,Department of Chemistry , University of Wisconsin-Madison , Madison , Wisconsin 53706 , United States
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21
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Kim T, Ahmad K, Shaikh S, Jan AT, Seo MG, Lee EJ, Choi I. Dermatopontin in Skeletal Muscle Extracellular Matrix Regulates Myogenesis. Cells 2019; 8:cells8040332. [PMID: 30970625 PMCID: PMC6523808 DOI: 10.3390/cells8040332] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Revised: 04/06/2019] [Accepted: 04/09/2019] [Indexed: 12/31/2022] Open
Abstract
Dermatopontin (DPT) is an extensively distributed non-collagenous component of the extracellular matrix predominantly found in the dermis of the skin, and consequently expressed in several tissues. In this study, we explored the role of DPT in myogenesis and perceived that it enhances the cell adhesion, reduces the cell proliferation and promotes the myoblast differentiation in C2C12 cells. Our results reveal an inhibitory effect with fibronectin (FN) in myoblast differentiation. We also observed that DPT and fibromodulin (FMOD) regulate positively to each other and promote myogenic differentiation. We further predicted the 3D structure of DPT, which is as yet unknown, and validated it using state-of-the-art in silico tools. Furthermore, we explored the in-silico protein-protein interaction between DPT-FMOD, DPT-FN, and FMOD-FN, and perceived that the interaction between FMOD-FN is more robust than DPT-FMOD and DPT-FN. Taken together, our findings have determined the role of DPT at different stages of the myogenic process.
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Affiliation(s)
- Taeyeon Kim
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea.
| | - Khurshid Ahmad
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea.
| | - Sibhghatulla Shaikh
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea.
| | - Arif Tasleem Jan
- School of Biosciences and Biotechnology, Baba Ghulam Shah Badshah University, Rajouri 185236, India.
| | - Myung-Gi Seo
- Department of Veterinary Histology, College of Veterinary Medicine, Kyungpook National University, Daegu 702-701, Korea.
| | - Eun Ju Lee
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea.
| | - Inho Choi
- Department of Medical Biotechnology, Yeungnam University, Gyeongsan 38541, Korea.
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22
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Adhikari N, Neupane S, Roh J, Aryal YP, Lee ES, Jung JK, Yamamoto H, Lee Y, Sohn WJ, Kim JY, Kim JY. Gene profiling involved in fate determination of salivary gland type in mouse embryogenesis. Genes Genomics 2018; 40:10.1007/s13258-018-0715-z. [PMID: 29934934 DOI: 10.1007/s13258-018-0715-z] [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: 01/29/2018] [Accepted: 06/12/2018] [Indexed: 10/28/2022]
Abstract
Salivary gland (SG) development involves dynamic epithelial-mesenchymal interactions resulting in the formation of highly branched epithelial structures that produce and secrete saliva. The SG epithelium differentiates into saliva-producing terminal buds, i.e., acini, and transporting ducts. Most studies on the salivary gland have focused on branching morphogenesis; however, acinar cell differentiation underlying the determination of serous or mucous salivary glands is unclear. The objective of this study was to identify the mesenchymal signaling molecules involved in the epithelial differentiation of the salivary gland type as serous or mucous. Salivary glands undergoing stage-specific development, including the parotid gland (PG) and the sublingual gland (SLG) at embryonic day 14.5 (E14.5) were dissected. The glands were treated with dispase II to separate the epithelium and the mesenchyme. RNA from mesenchyme was processed for microarray analysis. Thereafter, microarray data were analyzed to identify putative candidate molecules involved in salivary gland differentiation and confirmed via quantitative reverse transcription polymerase chain reaction. The microarray analysis revealed the expression of 31,873 genes in the PG and SLG mesenchyme. Of the expressed genes 21,026 genes were found to be equally expressed (Fold change 1.000) in both PG and SLG mesenchyme. The numbers of genes expressed over onefold in the PG and SLG mesenchyme were found to be 5247 and 5600 respectively. On limiting the fold-change cut off value over 1.5 folds, only 214 and 137 genes were expressed over 1.5 folds in the PG and the SLG mesenchyme respectively. Our findings suggest that differential expression patterns of the mesenchymal signaling molecules are involved in fate determination of the salivary acinar cell types during mouse embryogenesis. In the near future, functional evaluation of the candidate genes will be performed using gain- and loss-of-function mutation studies during in vitro organ cultivation.
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Affiliation(s)
- Nirpesh Adhikari
- Department of Biochemistry, School of Dentistry, IHBR, Kyungpook National University, Daegu, South Korea
| | - Sanjiv Neupane
- Department of Biochemistry, School of Dentistry, IHBR, Kyungpook National University, Daegu, South Korea
| | - Jiyeon Roh
- Department of Dental Hygiene, Wonju College of Medicine, Yonsei University, Wonju, South Korea
| | - Yam Prasad Aryal
- Department of Biochemistry, School of Dentistry, IHBR, Kyungpook National University, Daegu, South Korea
| | - Eui-Seon Lee
- Department of Dental Hygiene, College of Health Science, Gachon University, 191, Hambangmoe-ro, Yeonsu-gu, Incheon, South Korea
| | - Jae-Kwang Jung
- Department of Oral Medicine, School of Dentistry, IHBR, Kyungpook National University, Daegu, South Korea
| | - Hitoshi Yamamoto
- Department of Histology and Developmental Biology, Tokyo Dental College, Tokyo, Japan
| | - Youngkyun Lee
- Department of Biochemistry, School of Dentistry, IHBR, Kyungpook National University, Daegu, South Korea
| | - Wern-Joo Sohn
- Division of Biotechnology and Convergence, Daegu Haany University, Gyeongsan, Republic of Korea
| | - Jae-Young Kim
- Department of Biochemistry, School of Dentistry, IHBR, Kyungpook National University, Daegu, South Korea.
| | - Ji-Youn Kim
- Department of Dental Hygiene, College of Health Science, Gachon University, 191, Hambangmoe-ro, Yeonsu-gu, Incheon, South Korea.
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23
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Gerhard GS, Legendre C, Still CD, Chu X, Petrick A, DiStefano JK. Transcriptomic Profiling of Obesity-Related Nonalcoholic Steatohepatitis Reveals a Core Set of Fibrosis-Specific Genes. J Endocr Soc 2018; 2:710-726. [PMID: 29978150 PMCID: PMC6018672 DOI: 10.1210/js.2018-00122] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/25/2018] [Accepted: 05/31/2018] [Indexed: 12/11/2022] Open
Abstract
Nonalcoholic steatohepatitis (NASH) is strongly associated with obesity and type 2 diabetes. The molecular factors underlying the development of inflammation and severe fibrosis in NASH remain largely unknown. The purpose of this study was to identify gene expression patterns related to obesity-related NASH inflammation and fibrosis. We performed sequencing-based mRNA profiling analysis of liver samples from individuals with normal histology (n = 24), lobular inflammation (n = 53), or bridging fibrosis, incomplete cirrhosis, or cirrhosis (n = 65). Hepatic expression of a subset of mRNAs was validated using an orthogonal method, analyzed in a hepatic stellate cell line, and used to identify transcriptional patterns shared by other forms of cirrhosis. We observed evidence for differential levels of 3820 and 2980 transcripts in lobular inflammation and advanced fibrosis, respectively, compared with normal histology (false discovery rate ≤0.05), including 176 genes specific to fibrosis. Functional enrichment analysis of these genes revealed participation in pathways involving cytokine-cytokine receptor interaction, PI3K-Akt signaling pathway, focal adhesion, and extracellular matrix-receptor interaction. We identified 34 differentially expressed transcripts in comparisons of lobular inflammation and fibrosis, a proportion of which were also upregulated during activation of hepatic stellate cells. A set of 16 genes from a previous independent study of NASH bridging fibrosis/cirrhosis were replicated, several of which have also been associated with advanced fibrosis/cirrhosis due to hepatitis viruses or alcohol in human patients. Dysregulated mRNA expression is associated with inflammation and fibrosis in NASH. Advanced NASH fibrosis is characterized by distinct set of molecular changes that are shared with other causes of cirrhosis.
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Affiliation(s)
- Glenn S Gerhard
- Lewis Katz School of Medicine, Temple University School of Medicine, Philadelphia, Pennsylvania
| | | | | | - Xin Chu
- Geisinger Obesity Institute, Danville, Pennsylvania
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24
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Ojalill M, Rappu P, Siljamäki E, Taimen P, Boström P, Heino J. The composition of prostate core matrisome in vivo and in vitro unveiled by mass spectrometric analysis. Prostate 2018. [PMID: 29520855 DOI: 10.1002/pros.23503] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
BACKGROUND The composition and organization of extracellular matrix (ECM) are important regulators of cell behavior. In particular in the prostate, this central role of the ECM is further stressed by the fact that several potential markers of prostate stem cells are matrix receptors. METHODS We established 12 fibroblastic cell lines from cancerous and non-cancerous areas of six prostates and allowed the cells to produce ECM under cell culture conditions. We also performed a proteome wide analysis of the ECM components by mass spectrometry. To study the in vitro activation of fibroblastic cells we compared the differences between the ECM produced in cell culture by six non-cancerous-tissue-derived fibroblasts and the in vivo matrisome from the corresponding non-cancerous tissue of prostate. RESULTS Our results suggest that at tissue level the ECM is mainly produced by fibroblastic cells and that it contains standard collagen I fibrils and fibril-associated proteins. Beaded-filament forming collagen VI is also abundant and basement membranes potentially contain five laminin subtypes and collagens XV and XVIII. As the main finding, we also detected differences when in vivo and in vitro matrisomes were compared. Only 65 out of 206 proteins were found to be common for both in vivo and in vitro samples. Majority of the 55 proteins, which were solely detected in in vivo samples, were considered to be plasma derived. Eighty-six proteins were solely found from in vitro fibroblast-derived ECM, and most of them were related to matrix remodeling or growth factor action, proposing that the activation of fibroblasts in cell culture may remarkably modify their gene expression profile. Finally, in comparison to traditional 2D in vitro cell culture, the ECM composition of 3D spheroid culture was analyzed. The matrisome in spheroid culture did not resemble the in vivo ECM more closely than in monolayer culture. CONCLUSIONS Artificial activation of ECM remodeling seems to be a distinctive feature in in vitro models. In conclusion the constitution of ECM produced by prostate derived fibroblasts in vitro is similar, but not identical to the prostate ECM in vivo as shown here by mass spectrometric analysis.
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Affiliation(s)
| | - Pekka Rappu
- Department of Biochemistry, University of Turku, Turku, Finland
| | - Elina Siljamäki
- Department of Biochemistry, University of Turku, Turku, Finland
| | - Pekka Taimen
- Department of Pathology, University of Turku and Turku University Hospital, Turku, Finland
| | - Peter Boström
- Department of Urology, Turku University Hospital, Turku, Finland
| | - Jyrki Heino
- Department of Biochemistry, University of Turku, Turku, Finland
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25
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Schnittert J, Bansal R, Storm G, Prakash J. Integrins in wound healing, fibrosis and tumor stroma: High potential targets for therapeutics and drug delivery. Adv Drug Deliv Rev 2018; 129:37-53. [PMID: 29414674 DOI: 10.1016/j.addr.2018.01.020] [Citation(s) in RCA: 129] [Impact Index Per Article: 21.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 01/16/2018] [Accepted: 01/29/2018] [Indexed: 12/20/2022]
Abstract
Wound healing is a complex process, which ultimately leads to fibrosis if not repaired well. Pathologically very similar to fibrosis is the tumor stroma, found in several solid tumors which are regarded as wounds that do not heal. Integrins are heterodimeric surface receptors which control various physiological cellular functions. Additionally, integrins also sense ECM-induced extracellular changes during pathological events, leading to cellular responses, which influence ECM remodeling. The purpose and scope of this review is to introduce integrins as key targets for therapeutics and drug delivery within the scope of wound healing, fibrosis and the tumor stroma. This review provides a general introduction to the biology of integrins including their types, ligands, means of signaling and interaction with growth factor receptors. Furthermore, we highlight integrins as key targets for therapeutics and drug delivery, based on their biological role, expression pattern within human tissues and at cellular level. Next, therapeutic approaches targeting integrins, with a focus on clinical studies, and targeted drug delivery strategies based on ligands are described.
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26
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Xi LC, Ji YX, Yin D, Zhao ZX, Huang SC, Yu SL, Liu BY, Li HY. Effects of Dermatopontin gene silencing on apoptosis and proliferation of osteosarcoma MG‑63 cells. Mol Med Rep 2017; 17:422-427. [PMID: 29115446 DOI: 10.3892/mmr.2017.7866] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2017] [Accepted: 09/19/2017] [Indexed: 11/05/2022] Open
Abstract
The present study aimed to investigate the effect of Dermatopontin (DPT) gene silencing on the apoptosis and proliferation of osteosarcoma MG‑63 cells. Three eukaryotic expression vectors of short hairpin (sh)RNA fragments targeting different loci of DPT were designed and transfected into an osteosarcoma cell line MG‑63. The cells were assigned to a blank, shRNA‑control, DPT‑shRNA‑a, DPT‑shRNA‑b or DPT‑shRNA‑c group. The shRNA with the highest silencing efficiency was screened using reverse transcription‑quantitative polymerase chain reaction and western blotting. The screened shRNA was transfected into MG‑63 cells. The proliferation, cell cycle and apoptosis of MG‑63 cells were measured using a Cell Counting Kit‑8 assay, flow cytometry and Annexin V‑fluorescein isothiocyanate assay. The recombinant plasmids containing DPT shRNA were successfully constructed. DPT gene silencing was able to significantly reduce the proliferation rate of MG‑63 cells (P<0.05). The proportion of cells in the G0/G1 phase and in the G2/M phase increased significantly (both P<0.05), while the proportion of cells in the S phase decreased (P<0.05). Furthermore, the cell apoptosis rate increased significantly (P<0.05). These results demonstrate that DPT gene silencing is able to reduce the proliferation of MG‑63 cells, slow down cell cycle progression and promote apoptosis, hence may become a novel target for the treatment of osteosarcoma.
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Affiliation(s)
- Li-Cheng Xi
- Department of Orthopedics, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi 530021, P.R. China
| | - Yun-Xi Ji
- Department of Orthopedics, Zhejiang Provincial Hospital of TCM, Hangzhou, Zhejiang 310000, P.R. China
| | - Dong Yin
- Department of Orthopedics, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi 530021, P.R. China
| | - Zi-Xing Zhao
- Department of Orthopedics, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi 530021, P.R. China
| | - Si-Cheng Huang
- Department of Orthopedics, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi 530021, P.R. China
| | - Shao-Lin Yu
- Department of Orthopedics, Ji'an Central Hospital, Ji'an, Jiangxi 343000, P.R. China
| | - Bo-Yu Liu
- Department of Orthopedics, Liuzhou Work's Hospital, Liuzhou, Guangxi 530021, P.R. China
| | - Hong-Yu Li
- Department of Orthopedics, The People's Hospital of Guangxi Zhuang Autonomous Region, Nanning, Guangxi 530021, P.R. China
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27
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Longo V, Rebulla P, Pupella S, Zolla L, Rinalducci S. Proteomic characterization of platelet gel releasate from adult peripheral and cord blood. Proteomics Clin Appl 2017; 10:870-82. [PMID: 27377258 DOI: 10.1002/prca.201500126] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2015] [Revised: 06/20/2016] [Accepted: 06/30/2016] [Indexed: 12/13/2022]
Abstract
PURPOSE Activated platelet gel (PG) derived from adult peripheral blood (APB) has been extensively used for topical therapy of various clinical conditions. Conversely, few observations on PG from umbilical cord blood (CB) have been reported so far. Although PG preparations are known to contain a high concentration of a large number of biological factors involved in inflammation and tissue repair, their comprehensive characterization is still missing. The innovative goal of our research was to use proteomics technologies in order to profile biologically active components in these blood derivatives. EXPERIMENTAL DESIGN Supernatants recovered from three independent APB and CB-derived PGs, prepared using batroxobin, were enriched for low-abundance proteins with ProteoMiner and subsequently analyzed by GeLC-MS/MS. RESULTS The 751 and 760 proteins were identified in the APB and CB-derived PG releasates, respectively. A core dataset including only proteins found in 2/3 and 3/3 biological replicates was generated and functionally characterized by gene ontology. Searching against Vesiclepedia database showed that 33% of our dataset consists of novel releasate proteins. Comparison between the two types of PG secretomes revealed that 117 proteins are present only in the APB-derived samples, 104 proteins are distinctive of the CB-derived samples, and 229 are in common. CONCLUSION AND CLINICAL RELEVANCE Our study highlighted a differential content of proteins supporting tissue repair and regeneration between APB and CB-derived PGs. These findings may help better identifying future appropriate clinical applications.
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Affiliation(s)
- Valentina Longo
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
| | - Paolo Rebulla
- Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Milan, Italy
| | - Simonetta Pupella
- Italian National Blood Centre, National Institute of Health, Rome, Italy
| | - Lello Zolla
- Department of Science and Technology for Agriculture, Forestry, Nature and Energy (DAFNE), University of Tuscia, Viterbo, Italy
| | - Sara Rinalducci
- Department of Ecological and Biological Sciences (DEB), University of Tuscia, Viterbo, Italy
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28
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Lefebvre P, Lalloyer F, Baugé E, Pawlak M, Gheeraert C, Dehondt H, Vanhoutte J, Woitrain E, Hennuyer N, Mazuy C, Bobowski-Gérard M, Zummo FP, Derudas B, Driessen A, Hubens G, Vonghia L, Kwanten WJ, Michielsen P, Vanwolleghem T, Eeckhoute J, Verrijken A, Van Gaal L, Francque S, Staels B. Interspecies NASH disease activity whole-genome profiling identifies a fibrogenic role of PPARα-regulated dermatopontin. JCI Insight 2017; 2:92264. [PMID: 28679947 DOI: 10.1172/jci.insight.92264] [Citation(s) in RCA: 88] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Accepted: 05/19/2017] [Indexed: 12/21/2022] Open
Abstract
Nonalcoholic fatty liver disease prevalence is soaring with the obesity pandemic, but the pathogenic mechanisms leading to the progression toward active nonalcoholic steatohepatitis (NASH) and fibrosis, major causes of liver-related death, are poorly defined. To identify key components during the progression toward NASH and fibrosis, we investigated the liver transcriptome in a human cohort of NASH patients. The transition from histologically proven fatty liver to NASH and fibrosis was characterized by gene expression patterns that successively reflected altered functions in metabolism, inflammation, and epithelial-mesenchymal transition. A meta-analysis combining our and public human transcriptomic datasets with murine models of NASH and fibrosis defined a molecular signature characterizing NASH and fibrosis and evidencing abnormal inflammation and extracellular matrix (ECM) homeostasis. Dermatopontin expression was found increased in fibrosis, and reversal of fibrosis after gastric bypass correlated with decreased dermatopontin expression. Functional studies in mice identified an active role for dermatopontin in collagen deposition and fibrosis. PPARα activation lowered dermatopontin expression through a transrepressive mechanism affecting the Klf6/TGFβ1 pathway. Liver fibrotic histological damages are thus characterized by the deregulated expression of a restricted set of inflammation- and ECM-related genes. Among them, dermatopontin may be a valuable target to reverse the hepatic fibrotic process.
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Affiliation(s)
- Philippe Lefebvre
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Fanny Lalloyer
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Eric Baugé
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Michal Pawlak
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Céline Gheeraert
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Hélène Dehondt
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Jonathan Vanhoutte
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Eloise Woitrain
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Nathalie Hennuyer
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Claire Mazuy
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Marie Bobowski-Gérard
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Francesco Paolo Zummo
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - Bruno Derudas
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | | | | | - Luisa Vonghia
- Department of Gastroenterology and Hepatology, and.,Department of Endocrinology, Diabetology and Metabolism, University Hospital Antwerp, Edegem, Belgium
| | - Wilhelmus J Kwanten
- Department of Gastroenterology and Hepatology, and.,Laboratory of Experimental Medicine and Pediatrics, University of Antwerp, Antwerp, Belgium
| | - Peter Michielsen
- Department of Gastroenterology and Hepatology, and.,Laboratory of Experimental Medicine and Pediatrics, University of Antwerp, Antwerp, Belgium
| | - Thomas Vanwolleghem
- Department of Gastroenterology and Hepatology, and.,Laboratory of Experimental Medicine and Pediatrics, University of Antwerp, Antwerp, Belgium
| | - Jérôme Eeckhoute
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
| | - An Verrijken
- Department of Endocrinology, Diabetology and Metabolism, University Hospital Antwerp, Edegem, Belgium.,Laboratory of Experimental Medicine and Pediatrics, University of Antwerp, Antwerp, Belgium
| | - Luc Van Gaal
- Department of Endocrinology, Diabetology and Metabolism, University Hospital Antwerp, Edegem, Belgium.,Laboratory of Experimental Medicine and Pediatrics, University of Antwerp, Antwerp, Belgium
| | - Sven Francque
- Department of Gastroenterology and Hepatology, and.,Laboratory of Experimental Medicine and Pediatrics, University of Antwerp, Antwerp, Belgium
| | - Bart Staels
- University Lille, Inserm, CHU-Lille, Institut Pasteur de Lille, U1011-EGID, Lille, France
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29
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Krishnaswamy VR, Balaguru UM, Chatterjee S, Korrapati PS. Dermatopontin augments angiogenesis and modulates the expression of transforming growth factor beta 1 and integrin alpha 3 beta 1 in endothelial cells. Eur J Cell Biol 2017; 96:266-275. [DOI: 10.1016/j.ejcb.2017.02.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2016] [Revised: 02/28/2017] [Accepted: 02/28/2017] [Indexed: 02/01/2023] Open
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30
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Franczyk M, Lopucki M, Stachowicz N, Morawska D, Kankofer M. Extracellular matrix proteins in healthy and retained placentas, comparing hemochorial and synepitheliochorial placentas. Placenta 2016; 50:19-24. [PMID: 28161057 DOI: 10.1016/j.placenta.2016.12.014] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/24/2016] [Revised: 12/06/2016] [Accepted: 12/09/2016] [Indexed: 12/23/2022]
Abstract
The placenta expresses structural and biologically active proteins. Their synthesis is mainly regulated by genomic or nongenomic signals and modulated by hormones. These protein profiles are altered during different stages of pregnancy. The biological properties of extracellular matrix (ECM) proteins were defined and described in a number of tissues including placenta. These properties enable them to be the main players in the processes of attachment or invasion into the endometrium during initial placenta formation and its timely separation after delivery and detachment. In this review, we focused on the role of ECM proteins during attachment of the placenta to the uterine wall, its timely separation, and the implications of this process on retained or pathologically attached placenta. Although the amount of published information in this area is relatively scant, some of the key proteins and processes are well defined. We focused on the available data detailing the ECM protein profiles of human (histologically thin; hemochorial) and bovine (histologically thick; epitheliochorial) placentas and compared the shared and unique ECM proteins that are relevant to placental attachment and separation.
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Affiliation(s)
- M Franczyk
- Department of Biochemistry, Faculty of Veterinary Medicine, University of Life Science in Lublin, 20-033 Lublin, Akademicka 12, Poland.
| | - M Lopucki
- Clinic for Obstetrics and Pathology of Pregnancy, Medical University, 20-081 Lublin, Staszica 16, Poland.
| | - N Stachowicz
- Ist Clinic for Gynecological Oncology and Gynecology, Medical University, 20-081 Lublin, Staszica 16, Poland.
| | - D Morawska
- Unit for Gynecology and Obstetrics with Pathology of Pregnancy, City Hospital in Swidnik, Al. Lotników Polskich 18, 21-040 Świdnik, Poland
| | - M Kankofer
- Department of Biochemistry, Faculty of Veterinary Medicine, University of Life Science in Lublin, 20-033 Lublin, Akademicka 12, Poland.
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Variable expressivity and genetic heterogeneity involving DPT and SEMA3D genes in autosomal dominant familial Meniere's disease. Eur J Hum Genet 2016; 25:200-207. [PMID: 27876815 DOI: 10.1038/ejhg.2016.154] [Citation(s) in RCA: 45] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Revised: 10/08/2016] [Accepted: 10/13/2016] [Indexed: 01/03/2023] Open
Abstract
Autosomal dominant (AD) familial Meniere's disease (FMD) is a rare disorder involving the inner ear defined by sensorineural hearing loss, tinnitus and episodic vertigo. Here, we have identified two novel and rare heterozygous variants in the SEMA3D and DPT genes segregating with the complete phenotype that have variable expressivity in two pedigrees with AD-FMD. A detailed characterization of the phenotype within each family illustrates the clinical heterogeneity in the onset and progression of the disease. We also showed the expression of both genes in the human cochlea and performed in silico analyses of these variants. Three-dimensional protein modelling showed changes in the structure of the protein indicating potential physical interactions. These results confirm a genetic heterogeneity in FMD with incomplete penetrance and variable expressivity.
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Brioschi M, Baetta R, Ghilardi S, Gianazza E, Guarino A, Parolari A, Polvani G, Tremoli E, Banfi C. Normal human mitral valve proteome: A preliminary investigation by gel-based and gel-free proteomic approaches. Electrophoresis 2016; 37:2633-2643. [PMID: 27450324 DOI: 10.1002/elps.201600081] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2016] [Revised: 06/27/2016] [Accepted: 07/14/2016] [Indexed: 12/24/2022]
Abstract
The mitral valve is a highly complex structure which regulates blood flow from the left atrium to the left ventricle (LV) avoiding a significant forward gradient during diastole or regurgitation during systole. The integrity of the mitral valve is also essential for the maintenance of normal LV size, geometry, and function. Significant advances in the comprehension of the biological, functional, and mechanical behavior of the mitral valve have recently been made. However, current knowledge of protein components in the normal human mitral valve is still limited and complicated by the low cellularity of this tissue and the presence of high abundant proteins from the extracellular matrix. We employed here an integrated proteomic approach to analyse the protein composition of the normal human mitral valve and reported confident identification of 422 proteins, some of which have not been previously described in this tissue. In particular, we described the ability of pre-MS separation technique based on liquid-phase IEF and SDS-PAGE to identify the largest number of proteins. We also demonstrated that some of these proteins, e.g. αB-Crystallin, septin-11, four-and-a-half LIM domains protein 1, and dermatopontin, are synthesised by interstitial cells isolated from human mitral valves. These initial results provide a valuable basis for future studies aimed at analysing in depth the mitral valve protein composition and at investigating potential pathogenetic molecular mechanisms. Data are available via ProteomeXchange with identifier PXD004397.
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Affiliation(s)
| | | | | | | | - Anna Guarino
- Centro Cardiologico Monzino, IRCCS, Milan, Italy.,Banca Tessuti Cardiovascolari Regione Lombardia, Centro Cardiologico Monzino IRCCS Milan, Milan, Italy
| | - Alessandro Parolari
- Dipartimento di Chirurgia cardiaca, IRCCS Policlinico San Donato, Milan, Italy
| | - Gianluca Polvani
- Centro Cardiologico Monzino, IRCCS, Milan, Italy.,Università degli Studi di Milano, Dipartimento di Scienze Cliniche e di Comunità, Sezione Cardiovascolare, Milan, Italy
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Gu X, Li B, Jiang M, Fang M, Ji J, Wang A, Wang M, Jiang X, Gao C. RNA sequencing reveals differentially expressed genes as potential diagnostic and prognostic indicators of gallbladder carcinoma. Oncotarget 2016; 6:20661-71. [PMID: 25970782 PMCID: PMC4653033 DOI: 10.18632/oncotarget.3861] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2015] [Accepted: 04/14/2015] [Indexed: 12/13/2022] Open
Abstract
Gallbladder carcinoma (GBC) is a rare tumor with a dismal survival rate overall. Hence, there is an urgent need for exploring more specific and sensitive biomarkers for the diagnosis and treatment of GBC. At first, amplified total RNAs from two paired GBC tumors and adjacent non-tumorous tissues (ANTTs) were subjected to RNA sequencing. 161 genes were identified differentially expressed between tumors and ANTTs. Functional enrichment analysis indicated that the up-regulated genes in tumor were primarily associated with signaling molecules and enzyme modulators, and mainly involved in cell cycles and pathways in cancer. Twelve differentially expressed genes (DEGs) were further confirmed in another independent cohort of 35 GBC patients. Expression levels of BIRC5, TK1, TNNT1 and MMP9 were found to be positively related to postoperative relapse. There was also a significant correlation between BIRC5 expression and tumor-node-metastasis (TNM) stage. Besides, we observed a positive correlation between serum CA19-9 concentration and the expression levels of TNNT1, MMP9 and CLIC3. Survival analysis revealed that GBC patients with high TK1 and MMP9 expression levels had worse prognosis. These identified DEGs might not only be promising biomarkers for GBC diagnosis and prognosis, but also expedite the discovery of novel therapeutic strategies.
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Affiliation(s)
- Xing Gu
- Department of Laboratory Medicine, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, PR China
| | - Bin Li
- Department of Biliary Tract Surgery I, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, PR China
| | - Mingming Jiang
- Department of Laboratory Medicine, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, PR China
| | - Meng Fang
- Department of Laboratory Medicine, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, PR China
| | - Jun Ji
- Department of Laboratory Medicine, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, PR China
| | - Aihua Wang
- Department of Laboratory Medicine, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, PR China
| | - Mengmeng Wang
- Department of Laboratory Medicine, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, PR China
| | - Xiaoqing Jiang
- Department of Biliary Tract Surgery I, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, PR China
| | - Chunfang Gao
- Department of Laboratory Medicine, Eastern Hepatobiliary Surgery Hospital, Second Military Medical University, Shanghai, 200438, PR China
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Louzao-Martinez L, Vink A, Harakalova M, Asselbergs FW, Verhaar MC, Cheng C. Characteristic adaptations of the extracellular matrix in dilated cardiomyopathy. Int J Cardiol 2016; 220:634-46. [PMID: 27391006 DOI: 10.1016/j.ijcard.2016.06.253] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2016] [Revised: 05/31/2016] [Accepted: 06/26/2016] [Indexed: 12/20/2022]
Abstract
Dilated cardiomyopathy (DCM) is a relatively common heart muscle disease characterized by the dilation and thinning of the left ventricle accompanied with left ventricular systolic dysfunction. Myocardial fibrosis is a major feature in DCM and therefore it is inevitable that corresponding extracellular matrix (ECM) changes are involved in DCM onset and progression. Increasing our understanding of how ECM adaptations are involved in DCM could be important for the development of future interventions. This review article discusses the molecular adaptations in ECM composition and structure that have been reported in both animal and human studies of DCM. Furthermore, we provide a transcriptome-based catalogue of ECM genes that are associated with DCM, generated by using NCBI Gene Expression Omnibus database sets for DCM. Based on this in silico analysis, many novel ECM components involved in DCM are identified and discussed in this review. With the information gathered, we propose putative pathways of ECM adaptations in onset and progression of DCM.
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Affiliation(s)
- Laura Louzao-Martinez
- Department of Nephrology and Hypertension, Division of Internal Medicine and Dermatology, University Medical Center Utrecht, The Netherlands; Netherlands Heart Institute, University Medical Center Utrecht, The Netherlands
| | - Aryan Vink
- Department of Pathology, University Medical Center Utrecht, The Netherlands
| | - Magdalena Harakalova
- Netherlands Heart Institute, University Medical Center Utrecht, The Netherlands; Department of Pathology, University Medical Center Utrecht, The Netherlands; Department of Cardiology, Division of Heart and Lungs, University Medical Center Utrecht, The Netherlands
| | - Folkert W Asselbergs
- Netherlands Heart Institute, University Medical Center Utrecht, The Netherlands; Department of Cardiology, Division of Heart and Lungs, University Medical Center Utrecht, The Netherlands; Institute of Cardiovascular Science, Faculty of Population Health Sciences, University College London, United Kingdom
| | - Marianne C Verhaar
- Department of Nephrology and Hypertension, Division of Internal Medicine and Dermatology, University Medical Center Utrecht, The Netherlands
| | - Caroline Cheng
- Department of Nephrology and Hypertension, Division of Internal Medicine and Dermatology, University Medical Center Utrecht, The Netherlands; Department of Cardiology, Thoraxcenter, Division of Experimental Cardiology, Erasmus University Medical Center Rotterdam, The Netherlands.
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Yu S, Cai X, Sun L, Zuo Z, Mipam T, Cao S, Shen L, Ren Z, Chen X, Yang F, Deng J, Ma X, Wang Y. Comparative iTRAQ proteomics revealed proteins associated with spermatogenic arrest of cattleyak. J Proteomics 2016; 142:102-13. [DOI: 10.1016/j.jprot.2016.04.049] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2016] [Revised: 04/27/2016] [Accepted: 04/29/2016] [Indexed: 11/15/2022]
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Tracy LE, Minasian RA, Caterson E. Extracellular Matrix and Dermal Fibroblast Function in the Healing Wound. Adv Wound Care (New Rochelle) 2016; 5:119-136. [PMID: 26989578 DOI: 10.1089/wound.2014.0561] [Citation(s) in RCA: 546] [Impact Index Per Article: 68.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
Significance: Fibroblasts play a critical role in normal wound healing. Various extracellular matrix (ECM) components, including collagens, fibrin, fibronectin, proteoglycans, glycosaminoglycans, and matricellular proteins, can be considered potent protagonists of fibroblast survival, migration, and metabolism. Recent Advances: Advances in tissue culture, tissue engineering, and ex vivo models have made the examination and precise measurements of ECM components in wound healing possible. Likewise, the development of specific transgenic animal models has created the opportunity to characterize the role of various ECM molecules in healing wounds. In addition, the recent characterization of new ECM molecules, including matricellular proteins, dermatopontin, and FACIT collagens (Fibril-Associated Collagens with Interrupted Triple helices), further demonstrates our cursory knowledge of the ECM in coordinated wound healing. Critical Issues: The manipulation and augmentation of ECM components in the healing wound is emerging in patient care, as demonstrated by the use of acellular dermal matrices, tissue scaffolds, and wound dressings or topical products bearing ECM proteins such as collagen, hyaluronan (HA), or elastin. Once thought of as neutral structural proteins, these molecules are now known to directly influence many aspects of cellular wound healing. Future Directions: The role that ECM molecules, such as CCN2, osteopontin, and secreted protein, acidic and rich in cysteine, play in signaling homing of fibroblast progenitor cells to sites of injury invites future research as we continue investigating the heterotopic origin of certain populations of fibroblasts in a healing wound. Likewise, research into differently sized fragments of the same polymeric ECM molecule is warranted as we learn that fragments of molecules such as HA and tenascin-C can have opposing effects on dermal fibroblasts.
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Affiliation(s)
- Lauren E. Tracy
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - Raquel A. Minasian
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
| | - E.J. Caterson
- Division of Plastic Surgery, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts
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Holland A, Murphy S, Dowling P, Ohlendieck K. Pathoproteomic profiling of the skeletal muscle matrisome in dystrophinopathy associated myofibrosis. Proteomics 2015; 16:345-66. [PMID: 26256116 DOI: 10.1002/pmic.201500158] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2015] [Revised: 06/12/2015] [Accepted: 07/24/2015] [Indexed: 12/14/2022]
Abstract
The gradual accumulation of collagen and associated proteins of the extracellular matrix is a crucial myopathological parameter of many neuromuscular disorders. Progressive tissue damage and fibrosis play a key pathobiochemical role in the dysregulation of contractile functions and often correlates with poor motor outcome in muscular dystrophies. Following a brief introduction into the role of the extracellular matrix in skeletal muscles, we review here the proteomic profiling of myofibrosis and its intrinsic role in X-linked muscular dystrophy. Although Duchenne muscular dystrophy is primarily a disease of the membrane cytoskeleton, one of its most striking histopathological features is a hyperactive connective tissue and tissue scarring. We outline the identification of novel factors involved in the modulation of the extracellular matrix in muscular dystrophy, such as matricellular proteins. The establishment of novel proteomic markers will be helpful in improving the diagnosis, prognosis, and therapy monitoring in relation to fibrotic substitution of contractile tissue. In the future, the prevention of fibrosis will be crucial for providing optimum conditions to apply novel pharmacological treatments, as well as establish cell-based approaches or gene therapeutic interventions. The elimination of secondary abnormalities in the matrisome promises to reduce tissue scarring and the loss of skeletal muscle elasticity.
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Affiliation(s)
- Ashling Holland
- Department of Biology, Maynooth University, National University of Ireland, Maynooth, Co. Kildare, Ireland
| | - Sandra Murphy
- Department of Biology, Maynooth University, National University of Ireland, Maynooth, Co. Kildare, Ireland
| | - Paul Dowling
- Department of Biology, Maynooth University, National University of Ireland, Maynooth, Co. Kildare, Ireland
| | - Kay Ohlendieck
- Department of Biology, Maynooth University, National University of Ireland, Maynooth, Co. Kildare, Ireland
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38
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Fu Y, Feng MX, Yu J, Ma MZ, Liu XJ, Li J, Yang XM, Wang YH, Zhang YL, Ao JP, Xue F, Qin W, Gu J, Xia Q, Zhang ZG. DNA methylation-mediated silencing of matricellular protein dermatopontin promotes hepatocellular carcinoma metastasis by α3β1 integrin-Rho GTPase signaling. Oncotarget 2015; 5:6701-15. [PMID: 25149533 PMCID: PMC4196157 DOI: 10.18632/oncotarget.2239] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Dermatopontin (DPT), a tyrosine-rich, acidic matricellular protein, has been implicated in several human cancers. However, its biological functions and molecular mechanisms in cancer progression, particular hepatocellular carcinoma (HCC), remain unknown. We demonstrated that DPT was significantly down-regulated in 202 HCC clinical samples and that its expression level was closely correlated with cancer metastasis and patient prognosis. The overexpression of DPT dramatically suppressed HCC cell migration in vitro and intrahepatic metastasis in vivo. We further revealed that the down-regulation of DPT in HCC was due to epigenetic silencing by promoter DNA methylation. And the inhibitory effects of DPT on HCC cell motility were associated with dysregulated focal adhesion assembly, decreased RhoA activity and reduced focal adhesion kinase (FAK) and c-Src tyrosine kinase (Src) phosphorylation, and all of these alterations required the involvement of integrin signaling. Furthermore, we determined that the inhibitory effects of DPT on HCC cell motility were primarily mediated through α3β1 integrin. Our study provides new evidence for epigenetic control of tumor microenvironment, and suggests matricellular protein DPT may serve as a novel prognostic marker and act as a HCC metastasis suppressor.
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Affiliation(s)
- Ying Fu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. These authors contributed equally to this work
| | - Ming-Xuan Feng
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. These authors contributed equally to this work
| | - Jian Yu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ming-Ze Ma
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiao-Jin Liu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China. Department of Plastic Surgery, Shanghai Jiao Tong University Affiliated Sixth People's Hospital, Shanghai, China
| | - Jun Li
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Xiao-Mei Yang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Ya-Hui Wang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Yan-Li Zhang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jun-Ping Ao
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Feng Xue
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Wenxin Qin
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Jianren Gu
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Qiang Xia
- Department of Liver Surgery, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Zhi-Gang Zhang
- State Key Laboratory of Oncogenes and Related Genes, Shanghai Cancer Institute, Renji Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
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Zhang X, Xu L, Yin L, Qi Y, Xu Y, Han X, Peng J. Quantitative chemical proteomics for investigating the biomarkers of dioscin against liver fibrosis caused by CCl4 in rats. Chem Commun (Camb) 2015; 51:11064-7. [DOI: 10.1039/c4cc09160d] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
2D-DIGE technology was used for screening the biomarkers and drug-targets of dioscin against liver fibrosis in rats caused by CCl4.
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Affiliation(s)
- Xiaoling Zhang
- College of Pharmacy
- Dalian Medical University
- Dalian 116044
- China
| | - Lina Xu
- College of Pharmacy
- Dalian Medical University
- Dalian 116044
- China
| | - Lianhong Yin
- College of Pharmacy
- Dalian Medical University
- Dalian 116044
- China
| | - Yan Qi
- College of Pharmacy
- Dalian Medical University
- Dalian 116044
- China
| | - Youwei Xu
- College of Pharmacy
- Dalian Medical University
- Dalian 116044
- China
| | - Xu Han
- College of Pharmacy
- Dalian Medical University
- Dalian 116044
- China
| | - Jinyong Peng
- College of Pharmacy
- Dalian Medical University
- Dalian 116044
- China
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40
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Role of dermatopontin in re-epithelialization: implications on keratinocyte migration and proliferation. Sci Rep 2014; 4:7385. [PMID: 25486882 PMCID: PMC4260223 DOI: 10.1038/srep07385] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Accepted: 11/19/2014] [Indexed: 01/04/2023] Open
Abstract
Re-epithelialization is a key event in wound healing and any impairment in that process is associated with various pathological conditions. Epidermal keratinocyte migration and proliferation during re-epithelialization is largely regulated by the cytokines and growth factors from the provisional matrix and dermis. Extracellular matrix consists of numerous growth factors which mediate cell migration via cell membrane receptors. Dermatopontin (DPT), a non-collagenous matrix protein highly expressed in dermis is known for its striking ability to promote cell adhesion. DPT also enhances the biological activity of transforming growth factor beta 1 which plays a central role in the process of wound healing. This study was designed to envisage the role of DPT in keratinocyte migration and proliferation along with its mRNA and protein expression pattern in epidermis. The results showed that DPT promotes keratinocyte migration in a dose dependant fashion but fail to induce proliferation. Further, PCR and immunodetection studies revealed that the mRNA and protein expression of DPT is considerably negligible in the epidermis in contrast to the dermis. To conclude, DPT has a profound role in wound healing specifically during re-epithelialization by promoting keratinocyte migration via paracrine action from the underlying dermis.
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Koivisto L, Heino J, Häkkinen L, Larjava H. Integrins in Wound Healing. Adv Wound Care (New Rochelle) 2014; 3:762-783. [PMID: 25493210 DOI: 10.1089/wound.2013.0436] [Citation(s) in RCA: 138] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2013] [Indexed: 01/06/2023] Open
Abstract
Significance: Regulation of cell adhesions during tissue repair is fundamentally important for cell migration, proliferation, and protein production. All cells interact with extracellular matrix proteins with cell surface integrin receptors that convey signals from the environment into the nucleus, regulating gene expression and cell behavior. Integrins also interact with a variety of other proteins, such as growth factors, their receptors, and proteolytic enzymes. Re-epithelialization and granulation tissue formation are crucially dependent on the temporospatial function of multiple integrins. This review explains how integrins function in wound repair. Recent Advances: Certain integrins can activate latent transforming growth factor beta-1 (TGF-β1) that modulates wound inflammation and granulation tissue formation. Dysregulation of TGF-β1 function is associated with scarring and fibrotic disorders. Therefore, these integrins represent targets for therapeutic intervention in fibrosis. Critical Issues: Integrins have multifaceted functions and extensive crosstalk with other cell surface receptors and molecules. Moreover, in aberrant healing, integrins may assume different functions, further increasing the complexity of their functionality. Discovering and understanding the role that integrins play in wound healing provides an opportunity to identify the mechanisms for medical conditions, such as excessive scarring, chronic wounds, and even cancer. Future Directions: Integrin functions in acute and chronic wounds should be further addressed in models better mimicking human wounds. Application of any products in acute or chronic wounds will potentially alter integrin functions that need to be carefully considered in the design.
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Affiliation(s)
- Leeni Koivisto
- Laboratory of Periodontal Biology, Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada
| | - Jyrki Heino
- Department of Biochemistry, University of Turku, Turku, Finland
| | - Lari Häkkinen
- Laboratory of Periodontal Biology, Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada
| | - Hannu Larjava
- Laboratory of Periodontal Biology, Department of Oral Biological and Medical Sciences, Faculty of Dentistry, University of British Columbia, Vancouver, Canada
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42
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Slany A, Meshcheryakova A, Beer A, Ankersmit HJ, Paulitschke V, Gerner C. Plasticity of fibroblasts demonstrated by tissue-specific and function-related proteome profiling. Clin Proteomics 2014; 11:41. [PMID: 26029019 PMCID: PMC4448269 DOI: 10.1186/1559-0275-11-41] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2014] [Accepted: 10/17/2014] [Indexed: 01/15/2023] Open
Abstract
Background Fibroblasts are mesenchymal stromal cells which occur in all tissue types. While their main function is related to ECM production and physical support, they are also important players in wound healing, and have further been recognized to be able to modulate inflammatory processes and support tumor growth. Fibroblasts can display distinct phenotypes, depending on their tissue origin, as well as on their functional state. Results In order to contribute to the proteomic characterization of fibroblasts, we have isolated primary human fibroblasts from human skin, lung and bone marrow and generated proteome profiles of these cells by LC-MS/MS. Comparative proteome profiling revealed characteristic differences therein, which seemed to be related to the cell’s tissue origin. Furthermore, the cells were treated in vitro with the pro-inflammatory cytokine IL-1beta. While all fibroblasts induced the secretion of Interleukins IL-6 and IL-8 and the chemokine GRO-alpha, other inflammation-related proteins were up-regulated in an apparently tissue-dependent manner. Investigating fibroblasts from tumorous tissues of skin, lung and bone marrow with respect to such inflammation-related proteins revealed hardly any conformity but rather individual and tumor type-related variations. However, apparent up-regulation of IGF-II, PAI-1 and PLOD2 was observed in melanoma-, lung adenocarcinoma- and multiple myeloma-associated fibroblasts, as well as in hepatocellular carcinoma-associated fibroblasts. Conclusions Inflammation-related proteome alterations of primary human fibroblasts were determined by the analysis of IL-1beta treated cells. Tumor-associated fibroblasts from different tissue types hardly showed signs of acute inflammation but displayed characteristic functional aberrations potentially related to chronic inflammation. The present data suggest that the state of the tumor microenvironment is relevant for tumor progression and targeted treatment of tumor-associated fibroblasts may support anti-cancer strategies. Electronic supplementary material The online version of this article (doi:10.1186/1559-0275-11-41) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Astrid Slany
- Faculty of Chemistry, Department of Analytical Chemistry, University of Vienna, Vienna, Austria
| | - Anastasia Meshcheryakova
- Department of Medicine I, Institute of Cancer Research, Medical University of Vienna, Vienna, Austria ; Christian Doppler Laboratory for the Diagnosis and Regeneration of Cardiac and Thoracic Diseases, Medical University Vienna, Vienna, Austria
| | - Agnes Beer
- Department of Medicine I, Institute of Cancer Research, Medical University of Vienna, Vienna, Austria ; Christian Doppler Laboratory for the Diagnosis and Regeneration of Cardiac and Thoracic Diseases, Medical University Vienna, Vienna, Austria
| | - Hendrik Jan Ankersmit
- Department of Thoracic Surgery, Division of Surgery, Medical University Vienna, Vienna, Austria ; Christian Doppler Laboratory for the Diagnosis and Regeneration of Cardiac and Thoracic Diseases, Medical University Vienna, Vienna, Austria
| | - Verena Paulitschke
- Department of Dermatology, Medical University of Vienna, Vienna, Austria
| | - Christopher Gerner
- Faculty of Chemistry, Department of Analytical Chemistry, University of Vienna, Vienna, Austria ; Department of Medicine I, Institute of Cancer Research, Medical University of Vienna, Vienna, Austria ; Christian Doppler Laboratory for the Diagnosis and Regeneration of Cardiac and Thoracic Diseases, Medical University Vienna, Vienna, Austria
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Kato A, Okamoto O, Wu W, Matsuo N, Kumai J, Yamada Y, Katagiri F, Nomizu M, Fujiwara S. Identification of fibronectin binding sites in dermatopontin and their biological function. J Dermatol Sci 2014; 76:51-9. [DOI: 10.1016/j.jdermsci.2014.07.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2014] [Revised: 06/23/2014] [Accepted: 07/07/2014] [Indexed: 11/27/2022]
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44
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Expression and integrity of dermatopontin in chronic cutaneous wounds: a crucial factor in impaired wound healing. Cell Tissue Res 2014; 358:833-41. [PMID: 25260909 DOI: 10.1007/s00441-014-2000-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2014] [Accepted: 08/28/2014] [Indexed: 10/24/2022]
Abstract
Chronic cutaneous wound (CCW) is a major health care burden wherein the healing process is slow or rather static resulting in anatomical and functional restriction of the damaged tissue. Dysregulated expression and degradation of matrix proteins, growth factors and cytokines contribute to the disrupted and uncoordinated healing process of CCW. Therefore, therapeutic approaches for effective management of CCW should be focused towards identifying and manipulating the molecular defects, such as reduced bioavailability of the pro-healing molecules and elevated activity of proteases. This study essentially deals with assessing the expression and integrity of an extracellular matrix protein, Dermatopontin (DPT), in CCW using real-time quantitative reverse transcriptase PCR and immunological techniques. The results indicate that, despite DPT's high mRNA expression, the protein levels are markedly reduced in both CCW tissue and its exudate. To elucidate the cause for this contradiction in mRNA and protein levels, the stability of DPT is analyzed in the presence of wound exudates and various proteases that are naturally elevated in CCW. DPT was observed to be degraded at higher rates when incubated with certain recombinant proteases or chronic wound exudate. In conclusion, the susceptibility of DPT protein to specific proteases present at high levels in the wound milieu resulted in the degradation of DPT, thus leading to impaired healing response in CCW.
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Wu W, Okamoto O, Kato A, Matsuo N, Kumai J, Nomizu M, Fujiwara S. Functional peptide of dermatopontin produces fibrinogen fibrils and modifies its biological activity. J Dermatol Sci 2014; 76:34-43. [PMID: 25082449 DOI: 10.1016/j.jdermsci.2014.07.002] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2014] [Revised: 06/11/2014] [Accepted: 07/03/2014] [Indexed: 11/15/2022]
Abstract
BACKGROUND Dermatopontin (DP), a small extracellular matrix protein, interacts with both fibrinogen and fibrin. DP accelerates fibrin fibril formation and enhances cell adhesion to fibrin fibrils but DP does not influence fibrinogen fibril formation. We have previously demonstrated that DP-4 (PHGQVVVAVRS) is a functional dermatopontin peptide (Wu et al., 2014). OBJECTIVE Identification of biological functions of DP-4. METHODS Protein-protein interactions were examined by solid-phase assay. The kinetics of fibrinogen/fibrin polymer formation was monitored by turbidity change, SDS-PAGE, and electron microscopy. A cell adhesion assay was performed using human umbilical vein endothelial cells. RESULTS Although DP promoted fibrin formation, the DP-4 peptide promoted fibrinogen polymerization but did not apparently affect fibrin formation. The polymerized fibrinogen formed straight solid fibrils comparable to the normally formed fibrin fibrils. A minimum functional sequence of the DP-4 peptide was determined to be VVVAVRS. An αC domain in fibrinogen was involved in the fibril formation. Fibrinogen fibrils made by DP-4 enhanced endothelial cell adhesion and spreading in a dose-dependent manner. This cell adhesion was inhibited by heparin and by anti-αvβ3 and β1 integrin antibodies. CONCLUSION DP-4 did not reproduce the full functional biological activities of DP with fibrin but DP-4 did promote fibrinogen fibril formation. The fibrinogen fibrils produced by DP-4 are useful as a novel synthetic biomaterial for therapeutic applications.
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Affiliation(s)
- Weimin Wu
- Department of Plastic Surgery, Faculty of Medicine, Oita University, 1-1 Idaigaoka, Hasama-machi, Yufu-shi, Oita 879-5593, Japan
| | - Osamu Okamoto
- Department of Dermatology, Faculty of Medicine, Oita University, 1-1 Idaigaoka, Hasama-machi, Yufu-shi, Oita 879-5593, Japan.
| | - Aiko Kato
- Department of Plastic Surgery, Faculty of Medicine, Oita University, 1-1 Idaigaoka, Hasama-machi, Yufu-shi, Oita 879-5593, Japan
| | - Noritaka Matsuo
- Department of Biochemistry, Faculty of Medicine, Oita University, 1-1 Idaigaoka, Hasama-machi, Yufu-shi, Oita 879-5593, Japan
| | - Jun Kumai
- Laboratory of Clinical Biochemistry, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1, Horinouchi, Hachioji, Tokyo 192-0392, Japan
| | - Motoyoshi Nomizu
- Laboratory of Clinical Biochemistry, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, 1432-1, Horinouchi, Hachioji, Tokyo 192-0392, Japan
| | - Sakuhei Fujiwara
- Department of Dermatology, Faculty of Medicine, Oita University, 1-1 Idaigaoka, Hasama-machi, Yufu-shi, Oita 879-5593, Japan
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Galera PD, Ribeiro CR, Sapp HL, Coleman J, Fontes W, Brooks DE. Proteomic analysis of equine amniotic membrane: characterization of proteins. Vet Ophthalmol 2014; 18:198-209. [PMID: 24981051 DOI: 10.1111/vop.12190] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
INTRODUCTION Human amniotic membrane (AM) has been used as a biomaterial for surgical wound skin and ocular surface reconstruction for several years. Currently, equine AM has been used for corneal reconstruction in several animal species, and appears to have the same properties as human AM. Despite the observed positive healing abilities of this tissue in horses with ulcerative keratitis the proteins of equine AM have not been described. OBJECTIVE To identify proteins known to be associated with corneal healing from frozen equine AM. PROCEDURES Placentas were acquired from healthy live foal births from a local Thoroughbred breeding farm. The amnion was removed from the chorion by blunt dissection, washed with phosphate-buffered saline (PBS), and treated with 0.05% trypsin and 0.02% ethylene diaminetetraacetic acid in PBS. Amnion was attached to nitrocellulose paper (epithelial side up), and cut into 4 × 4 cm pieces. The sheets were frozen at -80 °C. The protein samples were solubilized, and analyzed by 2D gel electrophoresis and shotgun proteomics. RESULTS A reference identification map of the equine AM proteins was produced and 149 different proteins were identified. From gel-based proteomics, 49 spots were excised and 43 proteins identified by liquid chromatography coupled to tandem mass spectrometry (LC-MS/MS). Shotgun proteomics identified 116 proteins with an overlap of 10 proteins in both analyses. CONCLUSIONS We have described a reference map for equine AM proteins that may provide a background to explain the positive results found in horses with ulcerative keratopathies using this biomaterial.
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Affiliation(s)
- Paula D Galera
- Veterinary Medicine Department, College of Veterinary Medicine, University of Brasília, Brasilia, DF, Brazil
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Sellmann C, Villarín Pildaín L, Schmitt A, Leonardi-Essmann F, Durrenberger PF, Spanagel R, Arzberger T, Kretzschmar H, Zink M, Gruber O, Herrera-Marschitz M, Reynolds R, Falkai P, Gebicke-Haerter PJ, Matthäus F. Gene expression in superior temporal cortex of schizophrenia patients. Eur Arch Psychiatry Clin Neurosci 2014; 264:297-309. [PMID: 24287731 DOI: 10.1007/s00406-013-0473-5] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/06/2013] [Accepted: 11/12/2013] [Indexed: 11/24/2022]
Abstract
We investigated gene expression pattern obtained from microarray data of 10 schizophrenia patients and 10 control subjects. Brain tissue samples were obtained postmortem; thus, the different ages of the patients at death also allowed a study of the dynamic behavior of the expression patterns over a time frame of many years. We used statistical tests and dimensionality reduction methods to characterize the subset of genes differentially expressed in the two groups. A set of 10 genes were significantly downregulated, and a larger set of 40 genes were upregulated in the schizophrenia patients. Interestingly, the set of upregulated genes includes a large number of genes associated with gene transcription (zinc finger proteins and histone methylation) and apoptosis. We furthermore identified genes with a significant trend correlating with age in the control (MLL3) or the schizophrenia group (SOX5, CTRL). Assessments of correlations of other genes with the disorder (RRM1) or with the duration of medication could not be resolved, because all patients were medicated. This hypothesis-free approach uncovered a series of genes differentially expressed in schizophrenia that belong to a number of distinct cell functions, such as apoptosis, transcriptional regulation, cell motility, energy metabolism and hypoxia.
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Affiliation(s)
- C Sellmann
- Institute for Pharmacy and Molecular Biotechnology, University of Heidelberg, Im Neuenheimer Feld 364, 69120, Heidelberg, Germany
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Coan HB, Lively MO, Van Dyke ME. Dermatopontin in the extracellular matrix enhances osteogenic differentiation of adipose-derived mesenchymal stem cells. ACTA ACUST UNITED AC 2014. [DOI: 10.7243/2054-720x-1-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Lorion C, Faye C, Maret B, Trimaille T, Régnier T, Sommer P, Debret R. Biosynthetic support based on dendritic poly(L-lysine) improves human skin fibroblasts attachment. JOURNAL OF BIOMATERIALS SCIENCE-POLYMER EDITION 2013; 25:136-49. [DOI: 10.1080/09205063.2013.843966] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Wu W, Okamoto O, Kato A, Matsuo N, Nomizu M, Yoshioka H, Fujiwara S. Dermatopontin regulates fibrin formation and its biological activity. J Invest Dermatol 2013; 134:256-263. [PMID: 23877568 DOI: 10.1038/jid.2013.305] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2013] [Revised: 06/07/2013] [Accepted: 06/14/2013] [Indexed: 11/09/2022]
Abstract
Dermatopontin (DP) is a small extracellular matrix component in the dermis. Fibrin is a major component of a provisional matrix that is formed just after wounding. Previously, we found that DP was present in the provisional matrix, and it interacted with fibrin. Here, we examined the role of DP on fibrin function. DP interacted with both the fibrin monomer and fibrils, and was incorporated into the fibrils during fibrin formation. A DP sequence, PHGQVVVAVRS, was identified as a fibrin-binding site, and a globular D domain of fibrin was the binding site for DP. DP accelerated fibrin fibril formation into structurally modified fibrils. Fibrin fibrils formed in the presence of DP enhanced both endothelial cell attachment and cell spreading. The attached cells developed a more organized cytoskeleton when compared with those that attached to fibrin fibrils only. The main receptor for cell adhesion was identified as αvβ3 integrin, and a cooperating receptor was a β1-containing integrin species, probably α5β1 integrin. These results indicate that DP can modify certain biological functions of fibrin, and thus a another function of this extracellular matrix protein was revealed. In addition, the fibrin-DP complex might become useful for developing an improved artificial matrix for improving wound healing.
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Affiliation(s)
- Weimin Wu
- Department of Plastic Surgery, Faculty of Medicine, Oita University, Oita, Japan
| | - Osamu Okamoto
- Department of Dermatology, Faculty of Medicine, Oita University, Oita, Japan.
| | - Aiko Kato
- Department of Plastic Surgery, Faculty of Medicine, Oita University, Oita, Japan
| | - Noritaka Matsuo
- Department of Biochemistry, Faculty of Medicine, Oita University, Oita, Japan
| | - Motoyoshi Nomizu
- Department of Laboratory of Clinical Biochemistry, School of Pharmacy, Tokyo University of Pharmacy and Life Sciences, Tokyo, Japan
| | - Hidekatsu Yoshioka
- Department of Biochemistry, Faculty of Medicine, Oita University, Oita, Japan
| | - Sakuhei Fujiwara
- Department of Dermatology, Faculty of Medicine, Oita University, Oita, Japan
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