1
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Kollet O, Das A, Karamanos N, Auf dem Keller U, Sagi I. Redefining metalloproteases specificity through network proteolysis. Trends Mol Med 2024; 30:147-163. [PMID: 38036391 PMCID: PMC11004056 DOI: 10.1016/j.molmed.2023.11.001] [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: 09/09/2023] [Revised: 10/18/2023] [Accepted: 11/02/2023] [Indexed: 12/02/2023]
Abstract
Proteolytic processes on cell surfaces and extracellular matrix (ECM) sustain cell behavior and tissue integrity in health and disease. Matrix metalloproteases (MMPs) and a disintegrin and metalloproteases (ADAMs) remodel cell microenvironments through irreversible proteolysis of ECM proteins and cell surface bioactive molecules. Pan-MMP inhibitors in inflammation and cancer clinical trials have encountered challenges due to promiscuous activities of MMPs. Systems biology advances revealed that MMPs initiate multifactorial proteolytic cascades, creating new substrates, activating or suppressing other MMPs, and generating signaling molecules. This review highlights the intricate network that underscores the role of MMPs beyond individual substrate-enzyme activities. Gaining insight into MMP function and tissue specificity is crucial for developing effective drug discovery strategies and novel therapeutics. This requires considering the dynamic cellular processes and consequences of network proteolysis.
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Affiliation(s)
- Orit Kollet
- The Weizmann Institute of Science, Department of Immunology and Regenerative Biology, Rehovot, Israel
| | - Alakesh Das
- The Weizmann Institute of Science, Department of Immunology and Regenerative Biology, Rehovot, Israel
| | - Nikos Karamanos
- University of Patras, Biochemistry, Biochemical Analysis and Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, Patras, Greece
| | - Ulrich Auf dem Keller
- Technical University of Denmark, Department of Biotechnology and Biomedicine, Lyngby, Denmark
| | - Irit Sagi
- The Weizmann Institute of Science, Department of Immunology and Regenerative Biology, Rehovot, Israel.
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2
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Atique M, Javed R, Seerat I, Atique U, Bhatti T. The Intensity and Pattern of Syndecan-1 (CD138) Expression in Normal and Diseased Livers. Cureus 2023; 15:e46718. [PMID: 38022112 PMCID: PMC10630907 DOI: 10.7759/cureus.46718] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/09/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction Heparan sulfate proteoglycans (HSPGs) belong to the syndecan family, and syndecan-1 (CD138) is a heparan sulfate proteoglycan. Syndecan-1 has a potential role in cell-matrix and cell-cell communications as they are present in cell epithelium. Its expression is different in an extensive range of benign, inflammatory, and neoplastic diseases. In routine histopathology, it is used as a marker for plasma cells. However, it is expressed in a large variety of normal and neoplastic epithelia including squamous epithelium and gastric glandular epithelium expressed in other tissues, i.e., the liver. In the liver, variable expression is seen in cirrhosis, hepatitis, and carcinoma. The objective of this study was to investigate the expression of this marker in normal, inflammatory, and neoplastic lesions of the liver. This in turn may help clinicians to select patients who may benefit from anti-CD138 therapy. It is currently used in the diagnosis and management of plasma cell proliferations. Material and methods This is a retrospective study in which we retrieved 53 formalin-fixed paraffin-embedded (FFPE) liver specimen blocks and selected one block from each case by reviewing the hematoxylin and eosin (H&E) slides of each case. Syndecan-1 (CD138), pancytokeratin, and CD68 expression were analyzed immunohistochemically (IHC) to evaluate the percentage and intensity of CD138 expression in various hepatic entities and identify those entities where syndecan-1 can be consistently used to make a definitive diagnosis. Results The expression of pancytokeratin and CD68 was analyzed in hepatocytes and Kupffer cells, respectively. For syndecan-1 (CD138), 15.4% of cases showed basolateral membranous positivity, 44.6% of cases showed complete membranous positivity, and 40% of cases showed no positivity in hepatocytes. Cytokeratin (CK) was positive as expected in hepatocytes, and CD68 was expressed in Kupffer cells. Conclusion CD138 does not appear to be a reliable surrogate marker for liver disease. However, it may be included with other ancillary markers as a predictor of the stage of chronic liver disease and metastatic potential. The response to anti-CD138 therapy needs to be further studied.
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Affiliation(s)
- Muhammad Atique
- Histopathology, Pakistan Kidney and Liver Institute and Research Center, Lahore, PAK
| | - Rabia Javed
- Histopathology, Pakistan Kidney and Liver Institute and Research Center, Lahore, PAK
| | - Iqtadar Seerat
- Pediatric Gastroenterology and Hepatology, Pakistan Kidney and Liver Institute and Research Center, Lahore, PAK
| | - Usman Atique
- Histopathology, Pakistan Kidney and Liver Institute and Research Center, Lahore, PAK
| | - Tayyaba Bhatti
- Pathology, Pakistan Kidney and Liver Institute and Research Center, Lahore, PAK
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3
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Zhao YQ, Deng XW, Xu GQ, Lin J, Lu HZ, Chen J. Mechanical homeostasis imbalance in hepatic stellate cells activation and hepatic fibrosis. Front Mol Biosci 2023; 10:1183808. [PMID: 37152902 PMCID: PMC10157180 DOI: 10.3389/fmolb.2023.1183808] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2023] [Accepted: 04/12/2023] [Indexed: 05/09/2023] Open
Abstract
Chronic liver disease or repeated damage to hepatocytes can give rise to hepatic fibrosis. Hepatic fibrosis (HF) is a pathological process of excessive sedimentation of extracellular matrix (ECM) proteins such as collagens, glycoproteins, and proteoglycans (PGs) in the hepatic parenchyma. Changes in the composition of the ECM lead to the stiffness of the matrix that destroys its inherent mechanical homeostasis, and a mechanical homeostasis imbalance activates hepatic stellate cells (HSCs) into myofibroblasts, which can overproliferate and secrete large amounts of ECM proteins. Excessive ECM proteins are gradually deposited in the Disse gap, and matrix regeneration fails, which further leads to changes in ECM components and an increase in stiffness, forming a vicious cycle. These processes promote the occurrence and development of hepatic fibrosis. In this review, the dynamic process of ECM remodeling of HF and the activation of HSCs into mechanotransduction signaling pathways for myofibroblasts to participate in HF are discussed. These mechanotransduction signaling pathways may have potential therapeutic targets for repairing or reversing fibrosis.
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Affiliation(s)
- Yuan-Quan Zhao
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, Nanning, China
| | - Xi-Wen Deng
- Graduate School of Youjiang Medical University for Nationalities, Baise, China
| | - Guo-Qi Xu
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, Nanning, China
| | - Jie Lin
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, Nanning, China
| | - Hua-Ze Lu
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, Nanning, China
| | - Jie Chen
- Department of Hepatobiliary Surgery, Guangxi Medical University Cancer Hospital, Nanning, China
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4
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Zhang X, Zhao Y, Liu L, He Y. Syndecan-1: A Novel Diagnostic and Therapeutic Target in Liver Diseases. Curr Drug Targets 2023; 24:1155-1165. [PMID: 37957867 DOI: 10.2174/0113894501250057231102061624] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Revised: 09/12/2023] [Accepted: 10/17/2023] [Indexed: 11/15/2023]
Abstract
Syndecan-1 (SDC-1), known as a coreceptor of various growth factors or an integrin binding partner, regulates various cell behaviours. Under certain pathological conditions, SDC-1 is shed from the cell surface and plays a protective or pathogenic role in various diseases. In the liver, SDC-1 is highly expressed in hepatocytes, where it is localized on the basolateral surface. It is critical to the cellular and molecular functions of hepatocytes, including their attachment to hepatitis viruses. Previous studies have reported that SDC-1 may function as a novel and promising diagnostic and therapeutic marker for various liver diseases, such as drug-induced liver injury, liver fibrosis, and liver cancer. In this review, we summarize related research and highlight the mechanisms by which SDC-1 participates in the pathogenesis of liver diseases, as well as its potential diagnostic and therapeutic applications. This review is expected to lay the foundation for further therapeutic strategies to target SDC-1 in liver diseases.
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Affiliation(s)
- Xiaoli Zhang
- Department of Infectious Diseases, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- National Regional Infectious Diseases Center Co-constructed by National Health Commission of PRC and People's Government of Shaanxi Province, Xi'an, China
| | - Yalei Zhao
- Department of Infectious Diseases, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- National Regional Infectious Diseases Center Co-constructed by National Health Commission of PRC and People's Government of Shaanxi Province, Xi'an, China
| | - Liangru Liu
- Department of Infectious Diseases, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- National Regional Infectious Diseases Center Co-constructed by National Health Commission of PRC and People's Government of Shaanxi Province, Xi'an, China
| | - Yingli He
- Department of Infectious Diseases, the First Affiliated Hospital of Xi'an Jiaotong University, Xi'an, China
- National Regional Infectious Diseases Center Co-constructed by National Health Commission of PRC and People's Government of Shaanxi Province, Xi'an, China
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5
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Reszegi A, Tátrai P, Regős E, Kovalszky I, Baghy K. Syndecan-1 in liver pathophysiology. Am J Physiol Cell Physiol 2022; 323:C289-C294. [PMID: 35704700 DOI: 10.1152/ajpcell.00039.2022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Syndecan-1 is a heparan sulfate/chondroitin sulfate proteoglycan (PG) of the cell surface and the extracellular matrix, which regulates a broad spectrum of physiological and pathological processes such as cell proliferation, migration, inflammation, matrix remodeling, wound healing, or tumorigenesis. Syndecan-1 represents the major PG of the liver, expressed by hepatocytes and cholangiocytes, and its elevated expression is a characteristic feature of liver diseases. The highest syndecan-1 expression is found in liver cirrhosis and in hepatocellular carcinoma (HCC) developed in cirrhotic livers. In addition, as being a hepatitis C receptor, hepatitis C virus (HCV) infected livers produce extremely large amounts of syndecan-1. The serum levels of the cleaved (shedded) extracellular domain has clinical significance, as its increased concentration reflects on poor prognosis in cirrhosis as well as in cancer. In vivo experiments confirmed that syndecan-1 protects against early stages of fibrogenesis mainly by enhanced clearance of transforming growth factor beta (TGFβ1) and thrombospondin-1 via circulation, and against hepatocarcinogenesis by interfering with several signaling pathways and enhancing cell cycle blockade. In addition, syndecan-1 is capable to hinder lipid metabolism and ribosomal biogenesis in induced cancer models.. These observations together with its participation in the uptake of viruses (e.g. HCV, SARS-CoV-2) indicate that syndecan-1 is a central player in liver pathologies.
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Affiliation(s)
- Andrea Reszegi
- Department of Pathology, Forensic and Insurance Medicine, Semmelweis University, Budapest, Hungary
| | | | - Eszter Regős
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Ilona Kovalszky
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Kornelia Baghy
- Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
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6
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Feng D, Shi X, Zhang F, Xiong Q, Wei Q, Yang L. Energy Metabolism-Related Gene Prognostic Index Predicts Biochemical Recurrence for Patients With Prostate Cancer Undergoing Radical Prostatectomy. Front Immunol 2022; 13:839362. [PMID: 35280985 PMCID: PMC8908254 DOI: 10.3389/fimmu.2022.839362] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2021] [Accepted: 02/07/2022] [Indexed: 02/05/2023] Open
Abstract
Background We aimed to construct and validate an energy metabolism-related gene prognostic index (EMRGPI) to predict biochemical recurrence (BCR) in patients undergoing radical prostatectomy. Methods We used Lasso and COX regression analysis to orchestrate the EMRGPI in the TCGA database, and the prognostic value of EMRGPI was further validated externally using the GSE46602. All analyses were conducted with R version 3.6.3 and its suitable packages. Results SDC1 and ADH1B were finally used to construct the risk formula. We classified the 430 tumor patients in the TCGA database into two groups, and patients in the high-risk group had a higher risk of BCR than those in the low-risk group (HR: 1.98, 95%CI: 1.18-3.32, p=0.01). Moreover, in the GSE46602, we confirmed that the BCR risk in the high-risk group was 3.86 times higher than that in the low-risk group (95%CI: 1.61-9.24, p=0.001). We found that patients in the high-risk group had significantly higher proportions of residual tumor, older age, and T stage. SDC1 and ADH1B were significantly expressed low in the normal tissues when compared to the tumor tissues, which were opposite at the protein level. The spearman analysis showed that EMRGPI was significantly associated with B cells, CD4+ T cells, CD8+ T cells, neutrophils, macrophages, dendritic cells, stromal score, immune score, and estimate score. In addition, the EMRGPI was positively associated with the 54 immune checkpoints, among which CD80, ADORA2A, CD160, and TNFRSF25 were significantly related to the BCR-free survival of PCa patients undergoing RP. Conclusions The EMRGPI established in this study might serve as an independent risk factor for PCa patients undergoing radical prostatectomy.
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Affiliation(s)
- Dechao Feng
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Xu Shi
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Facai Zhang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Qiao Xiong
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Qiang Wei
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
| | - Lu Yang
- Department of Urology, Institute of Urology, West China Hospital, Sichuan University, Chengdu, China
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Dituri F, Gigante G, Scialpi R, Mancarella S, Fabregat I, Giannelli G. Proteoglycans in Cancer: Friends or Enemies? A Special Focus on Hepatocellular Carcinoma. Cancers (Basel) 2022; 14:cancers14081902. [PMID: 35454809 PMCID: PMC9024587 DOI: 10.3390/cancers14081902] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Revised: 04/04/2022] [Accepted: 04/08/2022] [Indexed: 12/16/2022] Open
Abstract
Simple Summary Proteoglycans affect multiple molecular and cellular processes during the progression of solid tumors with a highly desmoplastic stroma, such as HCC. Due to their role in enhancing or limiting the traits of cancer cells underlying their aggressiveness, such as proliferation, angiogenesis, epithelial to mesenchymal transition (EMT), and stemness, these macromolecules could be exploited as molecular targets or therapeutic agents. Proteoglycans, such as biglycan, versican, syndecan-1, glypican-3, and agrin, promote HCC cell proliferation, EMT, and angiogenesis, while endostatin and proteoglycan 4 were shown to impair cancer neovascularization or to enhance the sensitivity of HCC cells to drugs, such as sorafenib and regorafenib. Based on this evidence, interventional strategies involving the use of humanized monoclonal antibodies, T cells engineered with chimeric antigen receptors, or recombinant proteins mimicking potentially curative proteoglycans, are being employed or may be adopted in the near future for the treatment of HCC. Abstract Proteoglycans are a class of highly glycosylated proteins expressed in virtually all tissues, which are localized within membranes, but more often in the pericellular space and extracellular matrix (ECM), and are involved in tissue homeostasis and remodeling of the stromal microenvironment during physiological and pathological processes, such as tissue regeneration, angiogenesis, and cancer. In general, proteoglycans can perform signaling activities and influence a range of physical, chemical, and biological tissue properties, including the diffusivity of small electrolytes and nutrients and the bioavailability of growth factors. While the dysregulated expression of some proteoglycans is observed in many cancers, whether they act as supporters or limiters of neoplastic progression is still a matter of controversy, as the tumor promoting or suppressive function of some proteoglycans is context dependent. The participation of multiple proteoglycans in organ regeneration (as demonstrated for the liver in hepatectomy mouse models) and in cancer suggests that these molecules actively influence cell growth and motility, thus contributing to key events that characterize neoplastic progression. In this review, we outline the main roles of proteoglycans in the physiology and pathology of cancers, with a special mention to hepatocellular carcinoma (HCC), highlighting the translational potential of proteoglycans as targets or therapeutic agents for the treatment of this disease.
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Affiliation(s)
- Francesco Dituri
- National Institute of Gastroenterology Saverio de Bellis, IRCCS Research Hospital, Castellana Grotte, 70013 Bari, Italy; (G.G.); (R.S.); (S.M.); (G.G.)
- Correspondence:
| | - Gianluigi Gigante
- National Institute of Gastroenterology Saverio de Bellis, IRCCS Research Hospital, Castellana Grotte, 70013 Bari, Italy; (G.G.); (R.S.); (S.M.); (G.G.)
| | - Rosanna Scialpi
- National Institute of Gastroenterology Saverio de Bellis, IRCCS Research Hospital, Castellana Grotte, 70013 Bari, Italy; (G.G.); (R.S.); (S.M.); (G.G.)
| | - Serena Mancarella
- National Institute of Gastroenterology Saverio de Bellis, IRCCS Research Hospital, Castellana Grotte, 70013 Bari, Italy; (G.G.); (R.S.); (S.M.); (G.G.)
| | - Isabel Fabregat
- Oncobell Program, Bellvitge Biomedical Research Institute (IDIBELL), CIBEREHD and University of Barcelona, L’Hospitalet de Llobregat, 08908 Barcelona, Spain;
| | - Gianluigi Giannelli
- National Institute of Gastroenterology Saverio de Bellis, IRCCS Research Hospital, Castellana Grotte, 70013 Bari, Italy; (G.G.); (R.S.); (S.M.); (G.G.)
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8
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Váncza L, Karászi K, Péterfia B, Turiák L, Dezső K, Sebestyén A, Reszegi A, Petővári G, Kiss A, Schaff Z, Baghy K, Kovalszky I. SPOCK1 Promotes the Development of Hepatocellular Carcinoma. Front Oncol 2022; 12:819883. [PMID: 35186754 PMCID: PMC8853618 DOI: 10.3389/fonc.2022.819883] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 01/10/2022] [Indexed: 12/15/2022] Open
Abstract
The extracellular matrix proteoglycan SPOCK1 is increasingly recognized as a contributor to the development and progression of cancers. Here, we study how SPOCK1, which is present in non-tumorous hepatocytes at low concentrations, promotes the development and progression of malignant hepatocellular tumors. Although SPOCK1 is an extracellular matrix proteoglycan, its concentration increases in the cytoplasm of hepatocytes starting with very low expression in the normal cells and then appearing in much higher quantities in cells of cirrhotic human liver and hepatocellular carcinoma. This observation is similar to that observed after diethylnitrosamine induction of mouse hepatocarcinogenesis. Furthermore, syndecan-1, the major proteoglycan of the liver, and SPOCK1 are in inverse correlation in the course of these events. In hepatoma cell lines, the cytoplasmic SPOCK1 colocalized with mitochondrial markers, such as MitoTracker and TOMM20, a characteristic protein of the outer membrane of the mitochondrion and could be detected in the cell nucleus. SPOCK1 downregulation of hepatoma cell lines by siRNA inhibited cell proliferation, upregulated p21 and p27, and interfered with pAkt and CDK4 expression. A tyrosine kinase array revealed that inhibition of SPOCK1 in the liver cancer cells altered MAPK signaling and downregulated several members of the Sarc family, all related to the aggressivity of the hepatoma cell lines. These studies support the idea that SPOCK1 enhancement in the liver is an active contributor to human and rodent hepatocarcinogenesis and cancer progression. However, its mitochondrial localization raises the possibility that it has a currently unidentified physiological function in normal hepatocytes.
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Affiliation(s)
- Lóránd Váncza
- 1 Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Katalin Karászi
- 1 Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Bálint Péterfia
- Faculty of Information Technology and Bionics, Pázmány Péter Catholic University, Budapest, Hungary
| | - Lilla Turiák
- MS Proteomics Research Group, Research Centre for Natural Sciences, Eötvös Loránd Research Network, Budapest, Hungary
| | - Katalin Dezső
- 1 Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Anna Sebestyén
- 1 Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Andrea Reszegi
- 1 Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Gábor Petővári
- 1 Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - András Kiss
- 2 Department of Pathology, Semmelweis University, Budapest, Hungary
| | - Zsuzsanna Schaff
- 2 Department of Pathology, Semmelweis University, Budapest, Hungary
| | - Kornélia Baghy
- 1 Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Ilona Kovalszky
- 1 Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
- *Correspondence: Ilona Kovalszky, ;
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9
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Handin N, Mickols E, Ölander M, Rudfeldt J, Blom K, Nyberg F, Senkowski W, Urdzik J, Maturi V, Fryknäs M, Artursson P. Conditions for maintenance of hepatocyte differentiation and function in 3D cultures. iScience 2021; 24:103235. [PMID: 34746700 PMCID: PMC8551077 DOI: 10.1016/j.isci.2021.103235] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 08/02/2021] [Accepted: 10/04/2021] [Indexed: 12/15/2022] Open
Abstract
Spheroid cultures of primary human hepatocytes (PHH) are used in studies of hepatic drug metabolism and toxicity. The cultures are maintained under different conditions, with possible confounding results. We performed an in-depth analysis of the influence of various culture conditions to find the optimal conditions for the maintenance of an in vivo like phenotype. The formation, protein expression, and function of PHH spheroids were followed for three weeks in a high-throughput 384-well format. Medium composition affected spheroid histology, global proteome profile, drug metabolism and drug-induced toxicity. No epithelial-mesenchymal transition was observed. Media with fasting glucose and insulin levels gave spheroids with phenotypes closest to normal PHH. The most expensive medium resulted in PHH features most divergent from that of native PHH. Our results provide a protocol for culture of healthy PHH with maintained function - a prerequisite for studies of hepatocyte homeostasis and more reproducible hepatocyte research. 3D spheroid cultures were established in 384-well format Eight different media variants were used to optimize the 3D cultures Optimized William's medium was as good as expensive commercial medium The 3D cultures were used to study drug metabolism and toxicity
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Affiliation(s)
- Niklas Handin
- Department of Pharmacy, Uppsala University, 75123 Uppsala, Sweden
| | - Evgeniya Mickols
- Department of Pharmacy, Uppsala University, 75123 Uppsala, Sweden
| | - Magnus Ölander
- Department of Pharmacy, Uppsala University, 75123 Uppsala, Sweden
| | - Jakob Rudfeldt
- Department of Medical Sciences, Division of Cancer Pharmacology and Computational Medicine, Uppsala University, Uppsala, Sweden
| | - Kristin Blom
- Department of Medical Sciences, Division of Cancer Pharmacology and Computational Medicine, Uppsala University, Uppsala, Sweden
| | - Frida Nyberg
- Department of Medical Sciences, Division of Cancer Pharmacology and Computational Medicine, Uppsala University, Uppsala, Sweden
| | - Wojciech Senkowski
- Department of Medical Sciences, Division of Cancer Pharmacology and Computational Medicine, Uppsala University, Uppsala, Sweden.,Biotech Research & Innovation Centre (BRIC) and Novo Nordisk Foundation Center for Stem Cell Biology (DanStem), University of Copenhagen, 2200 Copenhagen N, Denmark
| | - Jozef Urdzik
- Department of Surgical Sciences, Uppsala University, Uppsala, Sweden
| | - Varun Maturi
- Department of Pharmacy, Uppsala University, 75123 Uppsala, Sweden
| | - Mårten Fryknäs
- Department of Medical Sciences, Division of Cancer Pharmacology and Computational Medicine, Uppsala University, Uppsala, Sweden
| | - Per Artursson
- Department of Pharmacy, Uppsala University, 75123 Uppsala, Sweden
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10
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Gondelaud F, Bouakil M, Le Fèvre A, Miele AE, Chirot F, Duclos B, Liwo A, Ricard-Blum S. Extended disorder at the cell surface: The conformational landscape of the ectodomains of syndecans. Matrix Biol Plus 2021; 12:100081. [PMID: 34505054 PMCID: PMC8416954 DOI: 10.1016/j.mbplus.2021.100081] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 07/11/2021] [Accepted: 07/12/2021] [Indexed: 10/26/2022] Open
Abstract
Syndecans are membrane proteoglycans regulating extracellular matrix assembly, cell adhesion and signaling. Their ectodomains can be shed from the cell surface, and act as paracrine and autocrine effectors or as competitors of full-length syndecans. We report the first biophysical characterization of the recombinant ectodomains of the four human syndecans using biophysical techniques, and show that they behave like flexible random-coil intrinsically disordered proteins, and adopt several conformation ensembles in solution. We have characterized their conformational landscapes using native mass spectrometry (MS) and ion-mobility MS, and demonstrated that the syndecan ectodomains explore the majority of their conformational landscape, from minor compact, globular-like, conformations to extended ones. We also report that the ectodomain of syndecan-4, corresponding to a natural isoform, is able to dimerize via a disulfide bond. We have generated a three-dimensional model of the C-terminus of this dimer, which supports the dimerization via a disulfide bond. Furthermore, we have mapped the NXIP adhesion motif of syndecans and their sequences involved in the formation of ternary complexes with integrins and growth factor receptors on the major conformations of their ectodomains, and shown that these sequences are not accessible in all the conformations, suggesting that only some of them are biologically active. Lastly, although the syndecan ectodomains have a far lower number of amino acid residues than their membrane partners, their intrinsic disorder and flexibility allow them to adopt extended conformations, which have roughly the same size as the cell surface receptors (e.g., integrins and growth factor receptors) they bind to.
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Key Words
- CCS, collision cross section
- CD, circular dichroism
- CSD, charge state distribution
- Cell-matrix interactions
- Conformations
- DLS, dynamic light scattering
- DTT, dithiothreitol
- ED, ectodomain
- ESI-IM-MS, electrospray ionization - ion mobility - mass spectrometry
- ESI-MS, electrospray ionization - mass spectrometry
- GAG, glycosaminoglycan
- IDP, intrinsically disordered protein
- Intrinsically disordered proteins
- MoRF, molecular recognition feature
- PAGE, polyacrylamide gel electrophoresis
- PMG, pre-molten globule
- RC, random-coil
- SASA, solvent accessible surface area
- SAXS, small angle X-ray scattering
- SDC, syndecan
- SDS, sodium dodecyl sulfate
- SEC, size exclusion chromatography
- Syndecans
- TFE, trifluoroethanol
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Affiliation(s)
- Frank Gondelaud
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, INSA Lyon, CPE, Institute of Molecular and Supramolecular Chemistry and Biochemistry (ICBMS), UMR 5246, F-69622 Villeurbanne cedex, France
| | - Mathilde Bouakil
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, Institut Lumière Matière, UMR 5306, Cité Lyonnaise de l'Environnement et de l'Analyse, 5 rue de la Doua, 69100 Villeurbanne, France
| | - Aurélien Le Fèvre
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, Institut des Sciences Analytiques, UMR 5280, 5 Rue de la Doua, 69100 Villeurbanne, France
| | - Adriana Erica Miele
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, INSA Lyon, CPE, Institute of Molecular and Supramolecular Chemistry and Biochemistry (ICBMS), UMR 5246, F-69622 Villeurbanne cedex, France
| | - Fabien Chirot
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, Institut des Sciences Analytiques, UMR 5280, 5 Rue de la Doua, 69100 Villeurbanne, France
| | - Bertrand Duclos
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, INSA Lyon, CPE, Institute of Molecular and Supramolecular Chemistry and Biochemistry (ICBMS), UMR 5246, F-69622 Villeurbanne cedex, France
| | - Adam Liwo
- Laboratory of Molecular Modeling, Faculty of Chemistry, University of Gdansk, Wita Stwosza 63, 80-308 Gdansk, Poland
| | - Sylvie Ricard-Blum
- Univ Lyon, University Claude Bernard Lyon 1, CNRS, INSA Lyon, CPE, Institute of Molecular and Supramolecular Chemistry and Biochemistry (ICBMS), UMR 5246, F-69622 Villeurbanne cedex, France
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11
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Charchanti A, Kanavaros P, Koniaris E, Kataki A, Glantzounis G, Agnantis NJ, Goussia AC. Expression of Syndecan-1 in Chronic Liver Diseases: Correlation With Hepatic Fibrosis. In Vivo 2021; 35:333-339. [PMID: 33402482 DOI: 10.21873/invivo.12264] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 10/29/2020] [Accepted: 10/30/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND/AIM The mechanisms underlying the contribution of the heparan sulfate proteoglycan syndecan-1 to liver tissue injury and to crucial biological processes, such as fibrogenesis, remain to be elucidated. Therefore, we investigated the immunohistochemical expression of syndecan-1 in chronic liver diseases (CLDs) and its probable role in hepatic fibrosis. MATERIALS AND METHODS Immunohistochemistry was performed on formalin-fixed, paraffin-embedded tissue sections of biopsy material obtained from 128 patients diagnosed with CLDs. The correlation between syndecan-1 expression and the stage of fibrosis was investigated. RESULTS According to the severity of fibrosis, cases were categorized into three groups: early fibrosis; intermediate fibrosis; advanced fibrosis. Syndecan-1 expression was significantly enhanced in advanced fibrosis compared to early (p<0.012) and intermediate (p<0.003) fibrosis. CONCLUSION In CLDs, syndecan-1 immunohisto-chemical overexpression was found to be positively correlated with the severity of fibrosis, suggesting its probable role in hepatic fibrogenesis.
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Affiliation(s)
- Antonia Charchanti
- Department of Anatomy-Histology-Embryology, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece;
| | - Panagiotis Kanavaros
- Department of Anatomy-Histology-Embryology, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece
| | - Efthymios Koniaris
- Department of Pathology-Anatomy, Hippocration Hospital of Athens, Athens Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Agapi Kataki
- Laboratory of Surgical Research, First Department of Propaedeutic Surgery, Hippocration Hospital, Athens Medical School, National and Kapodistrian University of Athens, Athens, Greece
| | - Georgios Glantzounis
- Department of Surgery, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece
| | - Niki J Agnantis
- Department of Pathology, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece
| | - Anna C Goussia
- Department of Pathology, Faculty of Medicine, School of Health Sciences, University of Ioannina, Ioannina, Greece
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12
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Reungoat E, Grigorov B, Zoulim F, Pécheur EI. Molecular Crosstalk between the Hepatitis C Virus and the Extracellular Matrix in Liver Fibrogenesis and Early Carcinogenesis. Cancers (Basel) 2021; 13:cancers13092270. [PMID: 34065048 PMCID: PMC8125929 DOI: 10.3390/cancers13092270] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2021] [Revised: 05/01/2021] [Accepted: 05/03/2021] [Indexed: 12/16/2022] Open
Abstract
Simple Summary In the era of direct-acting antivirals against the hepatitis C virus (HCV), curing chronic hepatitis C has become a reality. However, while replicating chronically, HCV creates a peculiar state of inflammation and oxidative stress in the infected liver, which fuels DNA damage at the onset of HCV-induced hepatocellular carcinoma (HCC). This cancer, the second leading cause of death by cancer, remains of bad prognosis when diagnosed. This review aims to decipher how HCV durably alters elements of the extracellular matrix that compose the liver microenvironment, directly through its viral proteins or indirectly through the induction of cytokine secretion, thereby leading to liver fibrosis, cirrhosis, and, ultimately, HCC. Abstract Chronic infection by the hepatitis C virus (HCV) is a major cause of liver diseases, predisposing to fibrosis and hepatocellular carcinoma. Liver fibrosis is characterized by an overly abundant accumulation of components of the hepatic extracellular matrix, such as collagen and elastin, with consequences on the properties of this microenvironment and cancer initiation and growth. This review will provide an update on mechanistic concepts of HCV-related liver fibrosis/cirrhosis and early stages of carcinogenesis, with a dissection of the molecular details of the crosstalk during disease progression between hepatocytes, the extracellular matrix, and hepatic stellate cells.
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13
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Overexpression of Human Syndecan-1 Protects against the Diethylnitrosamine-Induced Hepatocarcinogenesis in Mice. Cancers (Basel) 2021; 13:cancers13071548. [PMID: 33801718 PMCID: PMC8037268 DOI: 10.3390/cancers13071548] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/25/2021] [Revised: 03/18/2021] [Accepted: 03/24/2021] [Indexed: 12/20/2022] Open
Abstract
Simple Summary Syndecan-1 is a Janus-faced proteoglycan: depending on the type of cancer, it can promote or inhibit the development of tumors. Our previous in vitro experiments revealed that transfection of human syndecan-1 (hSDC1) into hepatoma cells, initiating hepatocyte-like differentiation. To further confirm the antitumor action of hSDC1 in the context of liver carcinogenesis, mice transgenic for albumin promoter-driven hSDC1 were created with exclusive expression of hSDC1 in the liver. Indeed, hSDC1 interfered with the development of liver cancer in diethylnitrosamine (DEN)-induced hepatocarcinogenesis experiments. The mechanism was found to be related to lipid metabolism that plays an important role in the induction of nonalcoholic liver cirrhosis. Nonalcoholic fatty liver disease is known to promote the development of cancer; therefore, the oncoprotective effect of hSDC1 may be mediated by a beneficial modulation of lipid metabolism. Abstract Although syndecan-1 (SDC1) is known to be dysregulated in various cancer types, its implication in tumorigenesis is poorly understood. Its effect may be detrimental or protective depending on the type of cancer. Our previous data suggest that SDC1 is protective against hepatocarcinogenesis. To further verify this notion, human SDC1 transgenic (hSDC1+/+) mice were generated that expressed hSDC1 specifically in the liver under the control of the albumin promoter. Hepatocarcinogenesis was induced by a single dose of diethylnitrosamine (DEN) at an age of 15 days after birth, which resulted in tumors without cirrhosis in wild-type and hSDC1+/+ mice. At the experimental endpoint, livers were examined macroscopically and histologically, as well as by immunohistochemistry, Western blot, receptor tyrosine kinase array, phosphoprotein array, and proteomic analysis. Liver-specific overexpression of hSDC1 resulted in an approximately six month delay in tumor formation via the promotion of SDC1 shedding, downregulation of lipid metabolism, inhibition of the mTOR and the β-catenin pathways, and activation of the Foxo1 and p53 transcription factors that lead to the upregulation of the cell cycle inhibitors p21 and p27. Furthermore, both of them are implicated in the regulation of intermediary metabolism. Proteomic analysis showed enhanced lipid metabolism, activation of motor proteins, and loss of mitochondrial electron transport proteins as promoters of cancer in wild-type tumors, inhibited in the hSDC1+/+ livers. These complex mechanisms mimic the characteristics of nonalcoholic steatohepatitis (NASH) induced human liver cancer successfully delayed by syndecan-1.
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14
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Sierra-Ramos C, Velazquez-Garcia S, Keskus AG, Vastola-Mascolo A, Rodríguez-Rodríguez AE, Luis-Lima S, Hernández G, Navarro-González JF, Porrini E, Konu O, Alvarez de la Rosa D. Increased SGK1 activity potentiates mineralocorticoid/NaCl-induced kidney injury. Am J Physiol Renal Physiol 2021; 320:F628-F643. [PMID: 33586495 DOI: 10.1152/ajprenal.00505.2020] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
Abstract
Serum and glucocorticoid-regulated kinase 1 (SGK1) stimulates aldosterone-dependent renal Na+ reabsorption and modulates blood pressure. In addition, genetic ablation or pharmacological inhibition of SGK1 limits the development of kidney inflammation and fibrosis in response to excess mineralocorticoid signaling. In this work, we tested the hypothesis that a systemic increase in SGK1 activity would potentiate mineralocorticoid/salt-induced hypertension and kidney injury. To that end, we used a transgenic mouse model with increased SGK1 activity. Mineralocorticoid/salt-induced hypertension and kidney damage was induced by unilateral nephrectomy and treatment with deoxycorticosterone acetate and NaCl in the drinking water for 6 wk. Our results show that although SGK1 activation did not induce significantly higher blood pressure, it produced a mild increase in glomerular filtration rate, increased albuminuria, and exacerbated glomerular hypertrophy and fibrosis. Transcriptomic analysis showed that extracellular matrix- and immune response-related terms were enriched in the downregulated and upregulated genes, respectively, in transgenic mice. In conclusion, we propose that systemically increased SGK1 activity is a risk factor for the development of mineralocorticoid-dependent kidney injury in the context of low renal mass and independently of blood pressure.NEW & NOTEWORTHY Increased activity of the protein kinase serum and glucocorticoid-regulated kinase 1 may be a risk factor for accelerated renal damage. Serum and glucocorticoid-regulated kinase 1 expression could be a marker for the rapid progression toward chronic kidney disease and a potential therapeutic target to slow down the process.
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Affiliation(s)
- Catalina Sierra-Ramos
- Departamento de Ciencias Médicas Básicas, Universidad de La Laguna, La Laguna, Tenerife, Spain
| | - Silvia Velazquez-Garcia
- Departamento de Ciencias Médicas Básicas, Universidad de La Laguna, La Laguna, Tenerife, Spain.,Instituto de Tecnologías Biomédicas, Universidad de La Laguna, La Laguna, Tenerife, Spain
| | - Ayse G Keskus
- Interdisciplinary Neuroscience Program, Bilkent University, Ankara, Turkey
| | - Arianna Vastola-Mascolo
- Departamento de Ciencias Médicas Básicas, Universidad de La Laguna, La Laguna, Tenerife, Spain
| | | | - Sergio Luis-Lima
- Instituto de Tecnologías Biomédicas, Universidad de La Laguna, La Laguna, Tenerife, Spain.,Departamento de Medicina Interna, Universidad de La Laguna, La Laguna, Tenerife, Spain
| | - Guadalberto Hernández
- Departamento de Ciencias Médicas Básicas, Universidad de La Laguna, La Laguna, Tenerife, Spain.,Instituto de Tecnologías Biomédicas, Universidad de La Laguna, La Laguna, Tenerife, Spain
| | - Juan F Navarro-González
- Instituto de Tecnologías Biomédicas, Universidad de La Laguna, La Laguna, Tenerife, Spain.,Unidad de Investigación y Servicio de Nefrología, Hospital Universitario Nuestra Señora de Candelaria, Santa Cruz de Tenerife, Spain
| | - Esteban Porrini
- Instituto de Tecnologías Biomédicas, Universidad de La Laguna, La Laguna, Tenerife, Spain.,Departamento de Medicina Interna, Universidad de La Laguna, La Laguna, Tenerife, Spain
| | - Ozlen Konu
- Interdisciplinary Neuroscience Program, Bilkent University, Ankara, Turkey.,Department of Molecular Biology and Genetics, Faculty of Science, Bilkent University, Ankara, Turkey.,UNAM-Institute of Materials Science and Nanotechnology, Ankara, Turkey
| | - Diego Alvarez de la Rosa
- Departamento de Ciencias Médicas Básicas, Universidad de La Laguna, La Laguna, Tenerife, Spain.,Instituto de Tecnologías Biomédicas, Universidad de La Laguna, La Laguna, Tenerife, Spain
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15
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Shen X, Wang X. The function role and synergic effect of syndecan-1 for mifepristone in uterine leiomyoma. Cytotechnology 2021; 73:179-187. [PMID: 33927475 DOI: 10.1007/s10616-021-00455-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2020] [Accepted: 01/17/2021] [Indexed: 02/05/2023] Open
Abstract
The study intends to investigate the regulation of syndecan-1 in human uterine leiomyoma cells. Human syndecan-1 levels were detected by Western blot in uterus leimyoma's tissue. The efficacy of syndecan-1 silencing on the cell proliferation, metalloproteinases and extracellular matrix were determined through Cell Counting Kit (CCK8) assay and Western blot assay, respectively. We compared the respective and combined effect of mifepristone and syndecan-1 on cell proliferation and the expression of metalloproteinases and extracellular matrix (ECM) in human uterine leiomyoma cells. The inhibitory effects of Syndecan-1 silencing on proliferation, ECM and Matrix Metalloproteinase (MMP) were observed in human uterine leiomyoma cells. Furthermore, syndecan-1 inhibition enhanced the effects of mifepristone against uterine leiomyoma cell proliferation. The expression of MMPs and ECM components in human uterine leiomyoma cells was decreased dramatically after syndecan-1 silencing, which was promoted after mifepristone treatment. Altogether, syndecan-1 silencing enhanced the efficacy of mifepristone on the uterine leiomyoma cell proliferation and ECM formation. Therefore, targeting syndecan-1 represents a novel therapeutic strategy to treat uterine leiomyoma.
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Affiliation(s)
- Xiaoyan Shen
- Department of Gynecology, Affiliated Maternity and Child Health Care Hospital of Nantong University, Nantong, 226018 Jiangsu China
| | - Xiaoxu Wang
- Five Departments of Recuperation in Dalian Rehabilitation and Recuperation Center, No.30, Binhai West Road, Xigang District, Dalian City, 116013 Liaoning province China
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16
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Michopoulou A, Montmasson M, Garnier C, Lambert E, Dayan G, Rousselle P. A novel mechanism in wound healing: Laminin 332 drives MMP9/14 activity by recruiting syndecan-1 and CD44. Matrix Biol 2020; 94:1-17. [PMID: 32621878 DOI: 10.1016/j.matbio.2020.06.004] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2019] [Revised: 06/23/2020] [Accepted: 06/23/2020] [Indexed: 12/12/2022]
Abstract
Re-epithelialization describes the resurfacing of a skin wound with new epithelium. In response to various stimuli including that of growth factors, cytokines and extracellular matrix (ECM), wound edge epidermal keratinocytes undergo cytoskeleton rearrangements compatible with their motile behavior and develop protrusive adhesion contacts. Matrix metalloproteinases (MMP) expression is crucial for proper cell movement and ECM remodeling; however, their deposition mechanism is unknown in keratinocytes. Here, we show that similar to cytokine IL-1ß, the precursor laminin 332 pro-migratory fragment G45 induces expression of the MMP-9 pro-enzyme, which together with MMP-14, further exerts its proteolytic activity within epithelial podosomes. This event strictly depends on the expression of the proteoglycan receptor syndecan-1 that was found in a ring surrounding the podosome core, co-localised with CD44. Our findings uncover that by directly recruiting both syndecan-1 and CD44, the laminin-332 G45 domain plays a major role in regulating mechanisms underlying keratinocyte / ECM remodeling during wound repair.
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Affiliation(s)
- Anna Michopoulou
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, Institut de Biologie et Chimie des Protéines, UMR 5305; CNRS; Univ. Lyon 1; SFR BioSciences Gerland-Lyon Sud, 7 passage du Vercors, 69367, Lyon, France
| | - Marine Montmasson
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, Institut de Biologie et Chimie des Protéines, UMR 5305; CNRS; Univ. Lyon 1; SFR BioSciences Gerland-Lyon Sud, 7 passage du Vercors, 69367, Lyon, France
| | - Cécile Garnier
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, Institut de Biologie et Chimie des Protéines, UMR 5305; CNRS; Univ. Lyon 1; SFR BioSciences Gerland-Lyon Sud, 7 passage du Vercors, 69367, Lyon, France
| | - Elise Lambert
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, Institut de Biologie et Chimie des Protéines, UMR 5305; CNRS; Univ. Lyon 1; SFR BioSciences Gerland-Lyon Sud, 7 passage du Vercors, 69367, Lyon, France
| | - Guila Dayan
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, Institut de Biologie et Chimie des Protéines, UMR 5305; CNRS; Univ. Lyon 1; SFR BioSciences Gerland-Lyon Sud, 7 passage du Vercors, 69367, Lyon, France
| | - Patricia Rousselle
- Laboratoire de Biologie Tissulaire et Ingénierie Thérapeutique, Institut de Biologie et Chimie des Protéines, UMR 5305; CNRS; Univ. Lyon 1; SFR BioSciences Gerland-Lyon Sud, 7 passage du Vercors, 69367, Lyon, France.
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17
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Syndecan-1 Promotes Hepatocyte-Like Differentiation of Hepatoma Cells Targeting Ets-1 and AP-1. Biomolecules 2020; 10:biom10101356. [PMID: 32977498 PMCID: PMC7598270 DOI: 10.3390/biom10101356] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2020] [Revised: 09/18/2020] [Accepted: 09/21/2020] [Indexed: 01/10/2023] Open
Abstract
Syndecan-1 is a transmembrane heparan sulfate proteoglycan which is indispensable in the structural and functional integrity of epithelia. Normal hepatocytes display strong cell surface expression of syndecan-1; however, upon malignant transformation, they may lose it from their cell surfaces. In this study, we demonstrate that re-expression of full-length or ectodomain-deleted syndecan-1 in hepatocellular carcinoma cells downregulates phosphorylation of ERK1/2 and p38, with the truncated form exerting an even stronger effect than the full-length protein. Furthermore, overexpression of syndecan-1 in hepatoma cells is associated with a shift of heparan sulfate structure toward a highly sulfated type specific for normal liver. As a result, cell proliferation and proteolytic shedding of syndecan-1 from the cell surface are restrained, which facilitates redifferentiation of hepatoma cells to a more hepatocyte-like phenotype. Our results highlight the importance of syndecan-1 in the formation and maintenance of differentiated epithelial characteristics in hepatocytes partly via the HGF/ERK/Ets-1 signal transduction pathway. Downregulation of Ets-1 expression alone, however, was not sufficient to replicate the phenotype of syndecan-1 overexpressing cells, indicating the need for additional molecular mechanisms. Accordingly, a reporter gene assay revealed the inhibition of Ets-1 as well as AP-1 transcription factor-induced promoter activation, presumably an effect of the heparan sulfate switch.
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18
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The Protective Role of Decorin in Hepatic Metastasis of Colorectal Carcinoma. Biomolecules 2020; 10:biom10081199. [PMID: 32824864 PMCID: PMC7465536 DOI: 10.3390/biom10081199] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/07/2020] [Accepted: 08/15/2020] [Indexed: 12/24/2022] Open
Abstract
Decorin, the prototype member of the small leucine-rich proteoglycan gene family of extracellular matrix (ECM) proteins, acts as a powerful tumor suppressor by inducing the p21Waf1/Cip1 cyclin-dependent kinase inhibitor, as well as through its ability to directly bind and block the action of several tyrosine kinase receptors. Our previous studies suggested that the lack of decorin promotes hepatic carcinogenesis in mice. Based on this, we set out to investigate whether excess decorin may protect against the liver metastases of colon carcinoma. We also analyzed the effect of decorin in tissue microarrays of human colon carcinoma liver metastasis and examined whether the tumor cells can directly influence the decorin production of myofibroblasts. In humans, low levels of decorin in the liver facilitated the development of colon carcinoma metastases in proportion with more aggressive phenotypes, indicating a possible antitumor action of the proteoglycan. In vitro, colon carcinoma cells inhibited decorin expression in LX2 hepatic stellate cells. Moreover, liver-targeted decorin delivery in mice effectively attenuated metastasis formation of colon cancer. Overexpressed decorin reduced the activity of multiple receptor tyrosine kinases (RTKs) including the epidermal growth factor receptor (EGFR), an important player in colorectal cancer (CRC) pathogenesis. Downstream of that, we observed weakened signaling of ERK1/2, PLCγ, Akt/mTOR, STAT and c-Jun pathways, while p38 MAPK/MSK/CREB and AMPK were upregulated culminating in enhanced p53 function. In conclusion, decorin may effectively inhibit metastatic tumor formation in the liver.
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19
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Teixeira FCOB, Götte M. Involvement of Syndecan-1 and Heparanase in Cancer and Inflammation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1221:97-135. [PMID: 32274708 DOI: 10.1007/978-3-030-34521-1_4] [Citation(s) in RCA: 28] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
The cell surface heparan sulfate proteoglycan Syndecan-1 acts as an important co-receptor for receptor tyrosine kinases and chemokine receptors, and as an adhesion receptor for structural glycoproteins of the extracellular matrix. It serves as a substrate for heparanase, an endo-β-glucuronidase that degrades specific domains of heparan sulfate carbohydrate chains and thereby alters the functional status of the proteoglycan and of Syndecan-1-bound ligands. Syndecan-1 and heparanase show multiple levels of functional interactions, resulting in mutual regulation of their expression, processing, and activity. These interactions are of particular relevance in the context of inflammation and malignant disease. Studies in animal models have revealed a mechanistic role of Syndecan-1 and heparanase in the regulation of contact allergies, kidney inflammation, multiple sclerosis, inflammatory bowel disease, and inflammation-associated tumorigenesis. Moreover, functional interactions between Syndecan-1 and heparanase modulate virtually all steps of tumor progression as defined in the Hallmarks of Cancer. Due to their prognostic value in cancer, and their mechanistic involvement in tumor progression, Syndecan-1 and heparanase have emerged as important drug targets. Data in preclinical models and preclinical phase I/II studies have already yielded promising results that provide a translational perspective.
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Affiliation(s)
- Felipe C O B Teixeira
- Instituto de Bioquímica Médica, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil.,Department of Gynecology and Obstetrics, Münster University Hospital, Münster, Germany
| | - Martin Götte
- Department of Gynecology and Obstetrics, Münster University Hospital, Münster, Germany.
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20
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Reszegi A, Horváth Z, Fehér H, Wichmann B, Tátrai P, Kovalszky I, Baghy K. Protective Role of Decorin in Primary Hepatocellular Carcinoma. Front Oncol 2020; 10:645. [PMID: 32477937 PMCID: PMC7235294 DOI: 10.3389/fonc.2020.00645] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Accepted: 04/07/2020] [Indexed: 01/22/2023] Open
Abstract
Hepatocellular carcinoma (HCC) represents one of the most frequent type of primary liver cancers. Decorin, a small leucine-rich proteoglycan of the extracellular matrix, represents a powerful tumor cell growth and migration inhibitor by hindering receptor tyrosine kinases and inducing p21WAF1/CIP1. In this study, first we tested decorin expression in HCCs utilizing in silico data, as well as formalin fixed paraffin embedded tissue samples of HCC in a tissue microarray (TMA). In silico data revealed that DCN/SMA mRNA ratio is decreased in HCC compared to normal tissues and follows the staging of the disease. Among TMA samples, 52% of HCCs were decorin negative, 33% exhibited low, and 15% high decorin levels corroborating in silico results. In addition, applying conditioned media of hepatoma cells inhibited decorin expression in LX2 stellate cells in vitro. These results raise the possibility that decorin acts as a tumor suppressor in liver cancer and that is why its expression decreased in HCCs. To further test the protective role of decorin, the proteoglycan was overexpressed in a mouse model of hepatocarcinogenesis evoked by thioacetamide (TA). After transfection, the excessive proteoglycan amount was mainly detected in hepatocytes around the central veins. Upon TA-induced hepatocarcinogenesis, the highest tumor count was observed in mice with no decorin production. Decorin gene delivery reduced tumor formation, in parallel with decreased pEGFR, increased pIGF1R levels, and with concomitant induction of pAkt (T308) and phopho-p53, suggesting a novel mechanism of action. Our results suggest the idea that decorin can be utilized as an anti-cancer agent.
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Affiliation(s)
- Andrea Reszegi
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Zsolt Horváth
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Hajnalka Fehér
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Barnabás Wichmann
- 2nd Department of Internal Medicine, Semmelweis University, Budapest, Hungary
| | | | - Ilona Kovalszky
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
| | - Kornélia Baghy
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Budapest, Hungary
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21
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Cui J, Jin S, Jin C, Jin Z. Syndecan-1 regulates extracellular matrix expression in keloid fibroblasts via TGF-β1/Smad and MAPK signaling pathways. Life Sci 2020; 254:117326. [PMID: 31954164 DOI: 10.1016/j.lfs.2020.117326] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2019] [Revised: 01/05/2020] [Accepted: 01/13/2020] [Indexed: 12/13/2022]
Abstract
AIMS The present study aimed to explore the effect of syndecan-1 on keloid fibroblasts. MAIN METHODS Immunohistochemistry and Western blot were employed to assess the expression of syndecan-1. Primary cultured keloid fibroblasts were transfected with syndecan-1 siRNA. The function of syndecan-1 on the proliferation of keloid fibroblasts was investigated through Cell Counting Kit-8 (CCK-8) and flow cytometry. Extracellular matrix, TGF-β1/Smad, and MAPK related proteins were evaluated by Western blot. KEY FINDINGS Syndecan-1 was significantly overexpressed in both keloid tissues and fibroblasts. Moreover, the knockdown of syndecan-1 remarkably attenuated the proliferation of keloid fibroblasts and reduced the content of the extracellular matrix. Importantly, syndecan-1 regulates the expression of the extracellular matrix in keloid fibroblasts via TGF-β1/Smad and mitogen-activated protein kinase (MAPK) signaling pathways. SIGNIFICANCE The current results revealed a crucial function for syndecan-1 in regulating the expression of extracellular matrix and cell proliferation, thereby designating syndecan-1 as a novel target for keloid.
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Affiliation(s)
- Jing Cui
- Klebs Research Center, Department of Dermatology, Yanbian University Hospital, Yanji 133000, China
| | - Shan Jin
- Klebs Research Center, Department of Dermatology, Yanbian University Hospital, Yanji 133000, China
| | - Chenglong Jin
- Klebs Research Center, Department of Dermatology, Yanbian University Hospital, Yanji 133000, China.
| | - Zhehu Jin
- Klebs Research Center, Department of Dermatology, Yanbian University Hospital, Yanji 133000, China.
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22
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Miftode RS, Şerban IL, Timpau AS, Miftode IL, Ion A, Buburuz AM, Costache AD, Costache II. Syndecan-1: A Review on Its Role in Heart Failure and Chronic Liver Disease Patients' Assessment. Cardiol Res Pract 2019; 2019:4750580. [PMID: 31815014 PMCID: PMC6878788 DOI: 10.1155/2019/4750580] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/26/2019] [Revised: 08/18/2019] [Accepted: 08/30/2019] [Indexed: 12/13/2022] Open
Abstract
The close connection and interaction between the cardiac and the liver functions are well-known, as cirrhotic cardiomyopathy is an important clinical entity which best describes the mutual pathogenical influence between these two organs. Due to the fact that cardiac dysfunction in patients with chronic hepatic disorders is oligosymptomatic or even asymptomatic, an early diagnosis represents a challenge for every physician. Syndecan-1-a transmembrane proteoglycan that exerts its functions mainly via its heparane sulfate chains-is a very promising biomarker, correlated not only with the degree of cardiac fibrosis but also with the severity of liver fibrosis. Many studies highlighted its role in the development of cardiac fibrosis or atherogenesis, being significantly correlated with the activity of angiotensin II. Multiple evidence revealed that syndecan-1 is also associated with tissue injury and may regulate inflammatory and regenerative responses, being considered a protective molecule that limits the inflammation and reduces cardiac remodelling and dysfunction after a myocardial infarction. Syndecan-1 may also be used as a reliable biomarker for the noninvasive assessment of liver fibrosis. Under various fibrogenetic conditions, shedding of syndecan's extracellular domain took place, becoming a soluble form that binds different growth factors and inhibits further fibrosis. This complex molecule is also involved in the lipid metabolism, by altering the clearance of cholesterol particles, and in chronic hepatitis, by enhancing the viral invasion of hepatocytes. Due to the growing interest in this biomarker, multiple studies aimed at revealing syndecan-1's potential benefits in the diagnosis and prognosis assessment in patients with heart failure or chronic liver disorders. In this review, we review the mechanisms by which syndecan-1 exerts its effects and the possible perspectives opened by its use as a dual cardio-hepatic biomarker.
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Affiliation(s)
- Radu-Stefan Miftode
- Department of Internal Medicine I (Cardiology), Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, Iasi 700115, Romania
| | - Ionela-Lăcrămioara Şerban
- Department of Morpho-Functional Sciences (II), Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, Iasi 700115, Romania
| | - Amalia-Stefana Timpau
- Department of Internal Medicine I (Cardiology), Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, Iasi 700115, Romania
| | - Ionela-Larisa Miftode
- Department of Infectious Diseases, Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, Iasi 700115, Romania
| | - Adriana Ion
- Department of Internal Medicine I (Cardiology), Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, Iasi 700115, Romania
| | - Ana-Maria Buburuz
- Department of Internal Medicine I (Cardiology), Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, Iasi 700115, Romania
| | - Alexandru-Dan Costache
- Department of Internal Medicine I (Cardiology), Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, Iasi 700115, Romania
| | - Irina-Iuliana Costache
- Department of Internal Medicine I (Cardiology), Faculty of Medicine, University of Medicine and Pharmacy “Gr. T. Popa”, Iasi 700115, Romania
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Saleh ME, Gadalla R, Hassan H, Afifi A, Götte M, El-Shinawi M, Mohamed MM, Ibrahim SA. The immunomodulatory role of tumor Syndecan-1 (CD138) on ex vivo tumor microenvironmental CD4+ T cell polarization in inflammatory and non-inflammatory breast cancer patients. PLoS One 2019; 14:e0217550. [PMID: 31145753 PMCID: PMC6542534 DOI: 10.1371/journal.pone.0217550] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Accepted: 05/14/2019] [Indexed: 12/24/2022] Open
Abstract
Herein, we aimed to identify the immunomodulatory role of tumor Syndecan-1 (CD138) in the polarization of CD4+ T helper (Th) subsets isolated from the tumor microenvironment of inflammatory breast cancer (IBC) and non-IBC patients. Lymphocytes and mononuclear cells isolated from the axillary tributaries of non-IBC and IBC patients during modified radical mastectomy were either stimulated with the secretome as indirect co-culture or directly co-cultured with control and Syndecan-1-silenced SUM-149 IBC cells. In addition, peripheral blood mononuclear cells (PBMCs) of normal subjects were used for the direct co-culture. Employing flow cytometry, we analyzed the expression of the intracellular IFN-γ, IL-4, IL-17, and Foxp3 markers as readout for basal and co-cultured Th1, Th2, Th17, and Treg CD4+ subsets, respectively. Our data revealed that IBC displayed a lower basal frequency of Th1 and Th2 subsets than non-IBC. Syndecan-1-silenced SUM-149 cells significantly upregulated only Treg subset polarization of normal subjects relative to controls. However, Syndecan-1 silencing significantly enhanced the polarization of Th17 and Treg subsets of non-IBC under both direct and indirect conditions and induced only Th1 subset polarization under indirect conditions compared to control. Interestingly, qPCR revealed that there was a negative correlation between Syndecan-1 and each of IL-4, IL-17, and Foxp3 mRNA expression in carcinoma tissues of IBC and that the correlation was reversed in non-IBC. Mechanistically, Syndecan-1 knockdown in SUM-149 cells promoted Th17 cell expansion via upregulation of IL-23 and the Notch ligand DLL4. Overall, this study indicates a low frequency of the circulating antitumor Th1 subset in IBC and suggests that tumor Syndecan-1 silencing enhances ex vivo polarization of CD4+ Th17 and Treg cells of non-IBC, whereby Th17 polarization is possibly mediated via upregulation of IL-23 and DLL4. These findings suggest the immunoregulatory role of tumor Syndecan-1 expression in Th cell polarization that may have therapeutic implications for breast cancer.
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Affiliation(s)
| | - Ramy Gadalla
- Department of Zoology, Faculty of Science, Cairo University, Giza, Egypt
| | - Hebatallah Hassan
- Department of Zoology, Faculty of Science, Cairo University, Giza, Egypt
| | - Ahmed Afifi
- Department of Zoology, Faculty of Science, Cairo University, Giza, Egypt
| | - Martin Götte
- Department of Gynecology and Obstetrics, Münster University Hospital, Münster, Germany
| | - Mohamed El-Shinawi
- Department of General Surgery, Faculty of Medicine, Ain Shams University, Cairo, Egypt
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24
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Deng M, Xu L, Xie X, Sheng X, Zou Z, Yao M. Downregulation of syndecan‑1 expression induces activation of hepatic stellate cells via the TGF‑β1/Smad3 signaling pathway. Mol Med Rep 2019; 20:368-374. [PMID: 31115505 DOI: 10.3892/mmr.2019.10221] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2018] [Accepted: 04/26/2019] [Indexed: 11/06/2022] Open
Abstract
The activation of hepatic stellate cells (HSCs) is considered associated with liver fibrosis. However, the exact role of syndecan‑1 (SDC1), a protein that regulates the interaction between cells and the microenvironment, in the activation of HSCs resulting in liver fibrosis remains elusive. The objective of the present study was to explore the effects and mechanism of action of SDC1 in the activation of HSCs. HSCs were isolated from mouse liver and cultured to detect the expression of SDC1, transforming growth factor (TGF)‑β1, Smad3 and α‑smooth muscle actin (α‑SMA; a marker of HSC activation) by western blotting and reverse transcription‑quantitative PCR. The expression of SDC1 was found to be downregulated, while the expression of TGF‑β1, Smad3 and α‑SMA was upregulated in HSCs during cell culture. In addition, following stimulation of HSCs with recombinant SDC1, the expression of TGF‑β1, Smad3 and α‑SMA in HSCs was downregulated, whereas small interfering RNA targeting Smad3 antagonized the effects of recombinant SDC1 on α‑SMA. Taken together, these data suggest that SDC1 plays a key role in the development of liver fibrosis.
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Affiliation(s)
- Min Deng
- Department of Infectious Diseases, The First Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang 314001, P.R. China
| | - Longsheng Xu
- Department of Anesthesiology and Pain Medicine, The First Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang 314001, P.R. China
| | - Xinsheng Xie
- Department of Infectious Diseases, The First Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang 314001, P.R. China
| | - Xiong Sheng
- Department of Infectious Diseases, The First Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang 314001, P.R. China
| | - Zhuolin Zou
- Department of Infectious Diseases, The First Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang 314001, P.R. China
| | - Ming Yao
- Institute of Hepatology, The First Affiliated Hospital of Jiaxing University, Jiaxing, Zhejiang 314001, P.R. China
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Regős E, Karászi K, Reszegi A, Kiss A, Schaff Z, Baghy K, Kovalszky I. Syndecan-1 in Liver Diseases. Pathol Oncol Res 2019; 26:813-819. [PMID: 30826971 PMCID: PMC7242248 DOI: 10.1007/s12253-019-00617-0] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 02/15/2019] [Indexed: 12/14/2022]
Abstract
Liver diseases such as liver cirrhosis, primary and metastatic liver cancers are still a major medical challenge. Syndecan-1 is one of the most important proteoglycans in the liver. Syndecan-1 is normally expressed on the surfaces of hepatocytes and cholangiocytes. Due to liver diseases the amount of syndecan-1 increases in the liver. Despite the emerging data of the biological function of syndecan-1, the clinical usefulness of this proteoglycan is still unknown. In our study we correlated syndecan-1 expression to clinico-pathological data. We found that syndecan-1 proved to be a good marker for hepatitis C virus based hepatocellular carcinoma and increased with liver dysfunction.
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Affiliation(s)
- Eszter Regős
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői Street 26, Budapest, 1085, Hungary
| | - Katalin Karászi
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői Street 26, Budapest, 1085, Hungary
| | - Andrea Reszegi
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői Street 26, Budapest, 1085, Hungary
| | - András Kiss
- 2nd Department of Pathology, Semmelweis University, Üllői street 93, Budapest, 1091, Hungary
| | - Zsuzsa Schaff
- 2nd Department of Pathology, Semmelweis University, Üllői street 93, Budapest, 1091, Hungary
| | - Kornélia Baghy
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői Street 26, Budapest, 1085, Hungary
| | - Ilona Kovalszky
- 1st Department of Pathology and Experimental Cancer Research, Semmelweis University, Üllői Street 26, Budapest, 1085, Hungary.
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26
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Bertrand J, Bollmann M. Soluble syndecans: biomarkers for diseases and therapeutic options. Br J Pharmacol 2018; 176:67-81. [PMID: 29931674 DOI: 10.1111/bph.14397] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 06/01/2018] [Accepted: 06/08/2018] [Indexed: 12/30/2022] Open
Abstract
Syndecans are important mediators of signalling by transmitting external stimuli into the cells. This role in signal transduction has been attributed mainly to the membrane-bound syndecans. In the last years, however, the soluble ectodomain of syndecans generated by shedding has come into the focus of research as this process has been show to modulate the syndecan-dependent signalling pathways, as well as other pathways. This review summarizes the current knowledge about the induction of syndecan shedding and the different pathways modulated by shed syndecan proteins. This review summarizes the known and putative sheddases for each syndecan and describes the exemplary conditions of sheddase activity for some syndecans. This review summarizes the proposed use of shed syndecans as biomarkers for various diseases, as the shedding process of syndecans depends crucially on tissue- and disease-specific activation of the sheddases. Furthermore, the potential use of soluble syndecans as a therapeutic option is discussed, on the basis of the current literature. LINKED ARTICLES: This article is part of a themed section on Translating the Matrix. To view the other articles in this section visit http://onlinelibrary.wiley.com/doi/10.1111/bph.v176.1/issuetoc.
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Affiliation(s)
- Jessica Bertrand
- Department of Orthopaedic Surgery, Otto von Guericke University Magdeburg, Magdeburg, Germany
| | - Miriam Bollmann
- Department of Orthopaedic Surgery, Otto von Guericke University Magdeburg, Magdeburg, Germany
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Schaefer L. Decoding fibrosis: Mechanisms and translational aspects. Matrix Biol 2018; 68-69:1-7. [PMID: 29679639 DOI: 10.1016/j.matbio.2018.04.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 04/17/2018] [Indexed: 12/17/2022]
Abstract
Fibrosis, a complex process of abnormal tissue healing which inevitably leads to loss of physiological organ structure and function, is a worldwide leading cause of death. Despite a large body of research over the last two decades, antifibrotic approaches are mainly limited to organ replacement therapy generating high costs of medical care. In this translational issue, a unique group of basic and clinical researchers provide meaningful answers to a desperate call of society for effective antifibrotic treatments. Fortunately, a plethora of novel fibrogenic factors and biomarkers has been identified. Noninvasive diagnostic methods and drug delivery systems have been recently developed for the management of fibrosis. Consequently, a large number of exciting clinical trials addressing comprehensive, organ and stage-specific mechanisms of fibrogenesis are ongoing. By critically addressing previously unsuccessful and novel promising therapeutic strategies, we aim to spread hope for future treatments of the various forms of organ fibrosis.
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Affiliation(s)
- Liliana Schaefer
- Pharmazentrum Frankfurt, Institut für Allgemeine Pharmakologie und Toxikologie, Klinikum der Goethe-Universität Frankfurt am Main, Frankfurt am Main 60590, Germany.
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