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Balistreri CR, Di Giorgi L, Monastero R. Focus of endothelial glycocalyx dysfunction in ischemic stroke and Alzheimer's disease: Possible intervention strategies. Ageing Res Rev 2024; 99:102362. [PMID: 38830545 DOI: 10.1016/j.arr.2024.102362] [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: 04/22/2024] [Revised: 05/29/2024] [Accepted: 05/29/2024] [Indexed: 06/05/2024]
Abstract
The integrity of the endothelial glycocalyx (eGCX), a mixture of carbohydrates attached to proteins expressed on the surface of blood vessel endothelial cells (EC), is critical for the maintenance of homeostasis of the cardiovascular system and all systems of the human body, the endothelium being the critical component of the stroma of all tissues. Consequently, dysfunction of eGCX results in a dysfunctional cardiovascular wall and severe downstream cardiovascular events, which contribute to the onset of cardio- and cerebrovascular diseases and neurodegenerative disorders, as well as other age-related diseases (ARDs). The key role of eGCX dysfunction in the onset of ARDs is examined here, with a focus on the most prevalent neurological diseases: ischemic stroke and Alzheimer's disease. Furthermore, the advantages and limitations of some treatment strategies for anti-eGCX dysfunction are described, ranging from experimental drug therapies, which need to be better tested and explored not only in animal models but also in humans, as well as reprogramming, the use of nutraceuticals, which are emerging as regenerative and new approaches. The promotion of these strategies is essential to keep eGCX and endothelium healthy, as is the development of intravital (e.g., intravascular) tools to estimate eGCX health status and treatment efficacy, which could lead to advanced solutions to address ARDs.
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Affiliation(s)
- Carmela Rita Balistreri
- Cellular, Molecular and Clinical Pathological Laboratory, Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), University of Palermo, Palermo 90134, Italy.
| | - Lucia Di Giorgi
- Memory and Parkinson's disease Center Policlinico "Paolo Giaccone", Palermo, and Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), University of Palermo, Via La Loggia 1, Palermo 90129, Italy
| | - Roberto Monastero
- Memory and Parkinson's disease Center Policlinico "Paolo Giaccone", Palermo, and Department of Biomedicine, Neuroscience and Advanced Diagnostics (Bi.N.D.), University of Palermo, Via La Loggia 1, Palermo 90129, Italy.
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2
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Fei H, Chen T, Jiang H. Autocrine and paracrine effects of MDK promote lymph node metastasis of cervical squamous cell carcinoma. iScience 2024; 27:110077. [PMID: 39040052 PMCID: PMC11261016 DOI: 10.1016/j.isci.2024.110077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2023] [Revised: 11/02/2023] [Accepted: 05/19/2024] [Indexed: 07/24/2024] Open
Abstract
Lymph node metastasis (LNM) is the main metastatic pathway of cervical cancer, which is closely related to 5-year survival rate of cervical squamous cell carcinoma (CSCC), yet the underlying mechanism remains unconfirmed. In this study, we show that midkine (MDK) was highly expressed in CSCC and overexpression of MDK was associated with CSCC LNM. Functional investigations demonstrated that MDK promoted LNM by enhancing proliferation, migration and invasion capacity of cervical cancer cells, facilitating lymphangiogenesis and down-regulating the expression of tight junction proteins of human lymphatic endothelial cells (HLECs). MDK exerted these biological effects by interacting with Syndecan-1 and activating PI3K/AKT and p38 MAPK pathways. A retrospective study showed that s-MDK was related to LNM. s-MDK combined with serum-squamous cell carcinoma antigen(s-SCCA) improved the diagnostic accuracy of CSCC LNM. These findings established a new mechanism of LNM and highlighted MDK as a candidate tumor biomarker and therapeutic target in CSCC.
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Affiliation(s)
- He Fei
- Department of Gynecology, The Fifth People’s Hospital of Shanghai, Fudan University, Shanghai 200240, China
| | - Tong Chen
- Department of Hematology, Huashan Hospital, Fudan University, Shanghai 200040, China
| | - Hua Jiang
- Department of Gynecology, Obstetrics & Gynecology Hospital, Fudan University, Shanghai 200011, China
- Shanghai Key Laboratory of Female Reproductive Endocrine Related Diseases, Shanghai 200011, China
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3
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O'Neil M, Demeulenaere SK, DeChristopher PJ, Holthaus E, Jeske W, Glynn L, Husain A, Muraskas J. Syndecan-1 Level, a Marker of Endothelial Glycocalyx Degradation, Is Associated With Fetal Exposure to Chorioamnionitis and Is a Potential Biomarker for Early-Onset Neonatal Sepsis. Pediatr Dev Pathol 2024; 27:318-326. [PMID: 38616561 DOI: 10.1177/10935266241235504] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 04/16/2024]
Abstract
The goal of this investigation was to identify the association between Syndecan-1 (S1) serum levels in preterm newborns exposed to chorioamnionitis (CA) in utero and the potential of S1 as a biomarker of early-onset neonatal sepsis. A cohort of preterm newborns born <33 weeks gestational age was recruited. Within 48 hours of birth, 0.5 mL of blood was drawn to obtain S1 levels, measured via ELISA. Placentas were examined and classified as having (1) no CA, (2) CA without umbilical cord involvement, or (3) CA with inflammation of the umbilical cord (funisitis). S1 levels were compared between preterm newborns without exposure to CA verus newborns with exposure to CA (including with and without funisitis). Preterm newborns exposed to CA were found to have significantly elevated S1 levels compared to those unexposed. Although S1 levels could not differentiate fetal exposure to CA from exposure to CA with funisitis, the combined CA groups had significantly higher S1 levels compared to those not exposed to CA. S1 level has the potential to become a clinically useful biomarker that could assist in the management of mothers and preterm newborns with CA and funisitis. Furthermore, S1 level could aid in the diagnosis and treatment of early-onset neonatal sepsis.
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Affiliation(s)
- Michaela O'Neil
- Loyola University Chicago, Maywood, IL, USA
- The University of Chicago, Chicago, IL, USA
| | | | | | - Emily Holthaus
- Loyola University Chicago, Maywood, IL, USA
- UT Southwestern Medical Center, Chicago, IL, USA
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Melrose J. CNS/PNS proteoglycans functionalize neuronal and astrocyte niche microenvironments optimizing cellular activity by preserving membrane polarization dynamics, ionic microenvironments, ion fluxes, neuronal activation, and network neurotransductive capacity. J Neurosci Res 2024; 102:e25361. [PMID: 39034899 DOI: 10.1002/jnr.25361] [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: 11/12/2023] [Revised: 03/22/2024] [Accepted: 05/27/2024] [Indexed: 07/23/2024]
Abstract
Central and peripheral nervous system (CNS/PNS) proteoglycans (PGs) have diverse functional roles, this study examined how these control cellular behavior and tissue function. The CNS/PNS extracellular matrix (ECM) is a dynamic, responsive, highly interactive, space-filling, cell supportive, stabilizing structure maintaining tissue compartments, ionic microenvironments, and microgradients that regulate neuronal activity and maintain the neuron in an optimal ionic microenvironment. The CNS/PNS contains a high glycosaminoglycan content (60% hyaluronan, HA) and a diverse range of stabilizing PGs. Immobilization of HA in brain tissues by HA interactive hyalectan PGs preserves tissue hydration and neuronal activity, a paucity of HA in brain tissues results in a pro-convulsant epileptic phenotype. Diverse CS, KS, and HSPGs stabilize the blood-brain barrier and neurovascular unit, provide smart gel neurotransmitter neuron vesicle storage and delivery, organize the neuromuscular junction basement membrane, and provide motor neuron synaptic plasticity, and photoreceptor and neuron synaptic functions. PG-HA networks maintain ionic fluxes and microgradients and tissue compartments that contribute to membrane polarization dynamics essential to neuronal activation and neurotransduction. Hyalectans form neuroprotective perineuronal nets contributing to synaptic plasticity, memory, and cognitive learning. Sialoglycoprotein associated with cones and rods (SPACRCAN), an HA binding CSPG, stabilizes the inter-photoreceptor ECM. HSPGs pikachurin and eyes shut stabilize the photoreceptor synapse aiding in phototransduction and neurotransduction with retinal bipolar neurons crucial to visual acuity. This is achieved through Laminin G motifs in pikachurin, eyes shut, and neurexins that interact with the dystroglycan-cytoskeleton-ECM-stabilizing synaptic interconnections, neuronal interactive specificity, and co-ordination of regulatory action potentials in neural networks.
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Affiliation(s)
- James Melrose
- Raymond Purves Bone and Joint Research Laboratory, Kolling Institute, Northern Sydney Local Health District, St. Leonards, New South Wales, Australia
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney, New South Wales, Australia
- Sydney Medical School, Northern, The University of Sydney Faculty of Medicine and Health, Royal North Shore Hospital, St. Leonards, New South Wales, Australia
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Hashimoto M, Kojima Y, Sakamoto T, Ozato Y, Nakano Y, Abe T, Hosoda K, Saito H, Higuchi S, Hisamatsu Y, Toshima T, Yonemura Y, Masuda T, Hata T, Nagayama S, Kagawa K, Goto Y, Utou M, Gamachi A, Imamura K, Kuze Y, Zenkoh J, Suzuki A, Takahashi K, Niida A, Hirose H, Hayashi S, Koseki J, Fukuchi S, Murakami K, Yoshizumi T, Kadomatsu K, Tobo T, Oda Y, Uemura M, Eguchi H, Doki Y, Mori M, Oshima M, Shibata T, Suzuki Y, Shimamura T, Mimori K. Spatial and single-cell colocalisation analysis reveals MDK-mediated immunosuppressive environment with regulatory T cells in colorectal carcinogenesis. EBioMedicine 2024; 103:105102. [PMID: 38614865 PMCID: PMC11121171 DOI: 10.1016/j.ebiom.2024.105102] [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: 10/18/2023] [Revised: 03/19/2024] [Accepted: 03/20/2024] [Indexed: 04/15/2024] Open
Abstract
BACKGROUND Cell-cell interaction factors that facilitate the progression of adenoma to sporadic colorectal cancer (CRC) remain unclear, thereby hindering patient survival. METHODS We performed spatial transcriptomics on five early CRC cases, which included adenoma and carcinoma, and one advanced CRC. To elucidate cell-cell interactions within the tumour microenvironment (TME), we investigated the colocalisation network at single-cell resolution using a deep generative model for colocalisation analysis, combined with a single-cell transcriptome, and assessed the clinical significance in CRC patients. FINDINGS CRC cells colocalised with regulatory T cells (Tregs) at the adenoma-carcinoma interface. At early-stage carcinogenesis, cell-cell interaction inference between colocalised adenoma and cancer epithelial cells and Tregs based on the spatial distribution of single cells highlighted midkine (MDK) as a prominent signalling molecule sent from tumour epithelial cells to Tregs. Interaction between MDK-high CRC cells and SPP1+ macrophages and stromal cells proved to be the mechanism underlying immunosuppression in the TME. Additionally, we identified syndecan4 (SDC4) as a receptor for MDK associated with Treg colocalisation. Finally, clinical analysis using CRC datasets indicated that increased MDK/SDC4 levels correlated with poor overall survival in CRC patients. INTERPRETATION MDK is involved in the immune tolerance shown by Tregs to tumour growth. MDK-mediated formation of the TME could be a potential target for early diagnosis and treatment of CRC. FUNDING Japan Society for the Promotion of Science (JSPS) Grant-in-Aid for Science Research; OITA Cancer Research Foundation; AMED under Grant Number; Japan Science and Technology Agency (JST); Takeda Science Foundation; The Princess Takamatsu Cancer Research Fund.
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Affiliation(s)
- Masahiro Hashimoto
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, 874-0838, Japan; Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, 565-0871, Japan
| | - Yasuhiro Kojima
- Division of Computational Bioscience, National Cancer Center Research Institute, Tokyo, 104-0045, Japan
| | - Takeharu Sakamoto
- Department of Cancer Biology, Institute of Biomedical Science, Kansai Medical University, Hirakata, 573-1010, Japan.
| | - Yuki Ozato
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, 874-0838, Japan; Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, 565-0871, Japan
| | - Yusuke Nakano
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, 874-0838, Japan; Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, 565-0871, Japan
| | - Tadashi Abe
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, 874-0838, Japan
| | - Kiyotaka Hosoda
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, 874-0838, Japan
| | - Hideyuki Saito
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, 874-0838, Japan; Department of General Surgical Science, Gastroenterological Surgery, Gunma University Graduate School of Medicine, Maebashi, 371-8511, Japan
| | - Satoshi Higuchi
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, 874-0838, Japan; Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, 565-0871, Japan
| | - Yuichi Hisamatsu
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, 874-0838, Japan
| | - Takeo Toshima
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, 874-0838, Japan
| | - Yusuke Yonemura
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, 874-0838, Japan
| | - Takaaki Masuda
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, 874-0838, Japan
| | - Tsuyoshi Hata
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, 565-0871, Japan
| | - Satoshi Nagayama
- Department of Surgery, Uji-Tokushukai Medical Center, Uji, 611-0041, Japan
| | - Koichi Kagawa
- Department of Gastroenterology, Shin Beppu Hospital, Beppu, 874-8538, Japan
| | - Yasuhiro Goto
- Department of Gastroenterology, Shin Beppu Hospital, Beppu, 874-8538, Japan
| | - Mitsuaki Utou
- Department of Pathology, Kyushu University Beppu Hospital, Beppu, 874-0838, Japan
| | - Ayako Gamachi
- Department of Pathology, Oita Oka Hospital, Oita, 870-0192, Japan
| | - Kiyomi Imamura
- Laboratory of Systems Genomics, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, 277-8561, Japan
| | - Yuta Kuze
- Laboratory of Systems Genomics, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, 277-8561, Japan
| | - Junko Zenkoh
- Laboratory of Systems Genomics, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, 277-8561, Japan
| | - Ayako Suzuki
- Laboratory of Systems Genomics, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, 277-8561, Japan
| | - Kazuki Takahashi
- Laboratory of Molecular Medicine, Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, 108-8639, Japan
| | - Atsushi Niida
- Laboratory of Molecular Medicine, Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, 108-8639, Japan
| | - Haruka Hirose
- Division of Systems Biology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Shuto Hayashi
- Division of Systems Biology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Jun Koseki
- Division of Systems Biology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Satoshi Fukuchi
- Department of Gastroenterological Medicine, Almeida Memorial Hospital, Oita, 870-1195, Japan
| | - Kazunari Murakami
- Department of Gastroenterology, Oita University Hospital, Yufu, 879-5593, Japan
| | - Tomoharu Yoshizumi
- Department of Surgery and Science, Graduate School of Medical Sciences, Kyushu University, Fukuoka, 812-8582, Japan
| | - Kenji Kadomatsu
- Department of Biochemistry, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan
| | - Taro Tobo
- Department of Pathology, Kyushu University Beppu Hospital, Beppu, 874-0838, Japan
| | - Yoshinao Oda
- Department of Anatomic Pathology, Kyushu University Hospital, Fukuoka, 812-8582, Japan
| | - Mamoru Uemura
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, 565-0871, Japan
| | - Hidetoshi Eguchi
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, 565-0871, Japan
| | - Yuichiro Doki
- Department of Gastroenterological Surgery, Osaka University Graduate School of Medicine, Suita, 565-0871, Japan
| | - Masaki Mori
- Tokai University School of Medicine, Isehara, 259-1193, Japan
| | - Masanobu Oshima
- Division of Genetics, Cancer Research Institute, Kanazawa University, Kanazawa, 920-1192, Japan
| | - Tatsuhiro Shibata
- Laboratory of Molecular Medicine, Human Genome Center, The Institute of Medical Science, The University of Tokyo, Tokyo, 108-8639, Japan
| | - Yutaka Suzuki
- Laboratory of Systems Genomics, Department of Computational Biology and Medical Sciences, Graduate School of Frontier Sciences, The University of Tokyo, Kashiwa, 277-8561, Japan
| | - Teppei Shimamura
- Division of Systems Biology, Nagoya University Graduate School of Medicine, Nagoya, 466-8550, Japan; Department of Computational and Systems Biology, Medical Research Insitute, Tokyo Medical and Dental University, Bunkyo-ku, Tokyo 113-0034, Japan.
| | - Koshi Mimori
- Department of Surgery, Kyushu University Beppu Hospital, Beppu, 874-0838, Japan.
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Antia IU, Hills FA, Shah AJ. Disaccharide compositional analysis of chondroitin sulphate using WAX HILIC-MS with pre-column procainamide labelling; application to the placenta in pre-eclampsia. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:566-575. [PMID: 38189556 DOI: 10.1039/d3ay01578e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Chondroitin sulphate (CS) and dermatan sulphate are negatively charged linear heteropolysaccharides. These glycosaminoglycans (GAG) are involved in cellular signalling via binding to growth factors. CS is expressed in a range of tissue and biological fluids and is highly expressed in the placenta. There is evidence that decorin; a CS proteoglycan is significantly decreased in pre-eclampsia and fetal growth restriction. It is considered that GAG chain composition may influence cellular processes that are altered in pre-eclampsia. The goal of the present study was to develop an LC-MS method with precolumn procainamide labelling for the disaccharide compositional analysis of CS. The method was used to investigate whether the disaccharide composition of placenta-extracted CS is altered in pre-eclampsia. The study revealed differential disaccharide compositions of placental chondroitin sulphate between pre-eclampsia and other pregnancy conditions. This suggests that the method may have diagnostic potential for pregnancy disorders. Furthermore, the findings suggest that CS sulphation might play a significant role in maternal labour.
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Affiliation(s)
- Imeobong U Antia
- Glycan Research Group, Department of Natural Sciences, Faculty of Science and Technology, Middlesex University, London, UK.
| | - Frank A Hills
- Glycan Research Group, Department of Natural Sciences, Faculty of Science and Technology, Middlesex University, London, UK.
| | - Ajit J Shah
- Glycan Research Group, Department of Natural Sciences, Faculty of Science and Technology, Middlesex University, London, UK.
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Farrugia BL, Melrose J. The Glycosaminoglycan Side Chains and Modular Core Proteins of Heparan Sulphate Proteoglycans and the Varied Ways They Provide Tissue Protection by Regulating Physiological Processes and Cellular Behaviour. Int J Mol Sci 2023; 24:14101. [PMID: 37762403 PMCID: PMC10531531 DOI: 10.3390/ijms241814101] [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: 07/24/2023] [Revised: 09/03/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023] Open
Abstract
This review examines the roles of HS-proteoglycans (HS-PGs) in general, and, in particular, perlecan and syndecan as representative examples and their interactive ligands, which regulate physiological processes and cellular behavior in health and disease. HS-PGs are essential for the functional properties of tissues both in development and in the extracellular matrix (ECM) remodeling that occurs in response to trauma or disease. HS-PGs interact with a biodiverse range of chemokines, chemokine receptors, protease inhibitors, and growth factors in immune regulation, inflammation, ECM stabilization, and tissue protection. Some cell regulatory proteoglycan receptors are dually modified hybrid HS/CS proteoglycans (betaglycan, CD47). Neurexins provide synaptic stabilization, plasticity, and specificity of interaction, promoting neurotransduction, neurogenesis, and differentiation. Ternary complexes of glypican-1 and Robbo-Slit neuroregulatory proteins direct axonogenesis and neural network formation. Specific neurexin-neuroligin complexes stabilize synaptic interactions and neural activity. Disruption in these interactions leads to neurological deficits in disorders of functional cognitive decline. Interactions with HS-PGs also promote or inhibit tumor development. Thus, HS-PGs have complex and diverse regulatory roles in the physiological processes that regulate cellular behavior and the functional properties of normal and pathological tissues. Specialized HS-PGs, such as the neurexins, pikachurin, and Eyes-shut, provide synaptic stabilization and specificity of neural transduction and also stabilize the axenome primary cilium of phototoreceptors and ribbon synapse interactions with bipolar neurons of retinal neural networks, which are essential in ocular vision. Pikachurin and Eyes-Shut interactions with an α-dystroglycan stabilize the photoreceptor synapse. Novel regulatory roles for HS-PGs controlling cell behavior and tissue function are expected to continue to be uncovered in this fascinating class of proteoglycan.
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Affiliation(s)
- Brooke L. Farrugia
- Department of Biomedical Engineering, Faculty of Engineering and Information Technology, University of Melbourne, Melbourne, VIC 3010, Australia;
| | - James Melrose
- Graduate School of Biomedical Engineering, University of New South Wales, Sydney, NSW 2052, Australia
- Raymond Purves Laboratory of Bone and Joint Research, Kolling Institute of Medical Research, Northern Sydney Local Health District, Royal North Shore Hospital, St. Leonards, NSW 2065, Australia
- Sydney Medical School (Northern), University of Sydney at Royal North Shore Hospital, St. Leonards, NSW 2065, Australia
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Ballesteros-Pla C, Sánchez-Alonso MG, Pizarro-Delgado J, Zuccaro A, Sevillano J, Ramos-Álvarez MP. Pleiotrophin and metabolic disorders: insights into its role in metabolism. Front Endocrinol (Lausanne) 2023; 14:1225150. [PMID: 37484951 PMCID: PMC10360176 DOI: 10.3389/fendo.2023.1225150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Accepted: 06/26/2023] [Indexed: 07/25/2023] Open
Abstract
Pleiotrophin (PTN) is a cytokine which has been for long studied at the level of the central nervous system, however few studies focus on its role in the peripheral organs. The main aim of this review is to summarize the state of the art of what is known up to date about pleiotrophin and its implications in the main metabolic organs. In summary, pleiotrophin promotes the proliferation of preadipocytes, pancreatic β cells, as well as cells during the mammary gland development. Moreover, this cytokine is important for the structural integrity of the liver and the neuromuscular junction in the skeletal muscle. From a metabolic point of view, pleiotrophin plays a key role in the maintenance of glucose and lipid as well as whole-body insulin homeostasis and favors oxidative metabolism in the skeletal muscle. All in all, this review proposes pleiotrophin as a druggable target to prevent from the development of insulin-resistance-related pathologies.
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Sembajwe LF, Ssekandi AM, Namaganda A, Muwonge H, Kasolo JN, Kalyesubula R, Nakimuli A, Naome M, Patel KP, Masenga SK, Kirabo A. Glycocalyx-Sodium Interaction in Vascular Endothelium. Nutrients 2023; 15:2873. [PMID: 37447199 PMCID: PMC10343370 DOI: 10.3390/nu15132873] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2023] [Revised: 06/19/2023] [Accepted: 06/22/2023] [Indexed: 07/15/2023] Open
Abstract
The glycocalyx generally covers almost all cellular surfaces, where it participates in mediating cell-surface interactions with the extracellular matrix as well as with intracellular signaling molecules. The endothelial glycocalyx that covers the luminal surface mediates the interactions of endothelial cells with materials flowing in the circulating blood, including blood cells. Cardiovascular diseases (CVD) remain a major cause of morbidity and mortality around the world. The cardiovascular risk factors start by causing endothelial cell dysfunction associated with destruction or irregular maintenance of the glycocalyx, which may culminate into a full-blown cardiovascular disease. The endothelial glycocalyx plays a crucial role in shielding the cell from excessive exposure and absorption of excessive salt, which can potentially cause damage to the endothelial cells and underlying tissues of the blood vessels. So, in this mini review/commentary, we delineate and provide a concise summary of the various components of the glycocalyx, their interaction with salt, and subsequent involvement in the cardiovascular disease process. We also highlight the major components of the glycocalyx that could be used as disease biomarkers or as drug targets in the management of cardiovascular diseases.
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Affiliation(s)
- Lawrence Fred Sembajwe
- Department of Medical Physiology, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda; (A.M.S.); (A.N.); (H.M.); (J.N.K.); (R.K.)
| | - Abdul M. Ssekandi
- Department of Medical Physiology, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda; (A.M.S.); (A.N.); (H.M.); (J.N.K.); (R.K.)
| | - Agnes Namaganda
- Department of Medical Physiology, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda; (A.M.S.); (A.N.); (H.M.); (J.N.K.); (R.K.)
| | - Haruna Muwonge
- Department of Medical Physiology, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda; (A.M.S.); (A.N.); (H.M.); (J.N.K.); (R.K.)
| | - Josephine N. Kasolo
- Department of Medical Physiology, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda; (A.M.S.); (A.N.); (H.M.); (J.N.K.); (R.K.)
| | - Robert Kalyesubula
- Department of Medical Physiology, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda; (A.M.S.); (A.N.); (H.M.); (J.N.K.); (R.K.)
| | - Annettee Nakimuli
- Department of Obstetrics and Gynecology, School of Medicine, Makerere University College of Health Sciences, Kampala P.O. Box 7072, Uganda;
| | - Mwesigwa Naome
- Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN 37232, USA;
| | - Kaushik P. Patel
- Department of Cellular and Integrative Physiology, University of Nebraska Medical Center, Omaha, NE 68198, USA;
| | - Sepiso K. Masenga
- Department of Physiological Sciences, School of Medicine and Health Sciences, Mulungushi University, Kabwe P.O. Box 80415, Zambia;
| | - Annet Kirabo
- Division of Clinical Pharmacology, Vanderbilt University Medical Center, Nashville, TN 37232, USA;
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Devlin A, Mycroft-West CJ, Turnbull JE, Lima MAD, Guerrini M, Yates EA, Skidmore MA. Analysis of Heparin Samples by Attenuated Total Reflectance Fourier-Transform Infrared Spectroscopy in the Solid State. ACS CENTRAL SCIENCE 2023; 9:381-392. [PMID: 36968539 PMCID: PMC10037494 DOI: 10.1021/acscentsci.2c01176] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/05/2022] [Indexed: 06/18/2023]
Abstract
Heparin is a polydisperse, heterogeneous polysaccharide of the glycosaminoglycan (GAG) class that has found widespread clinical use as a potent anticoagulant and is classified as an essential medicine by the World Health Organization. The importance of rigorous monitoring and quality control of pharmaceutical heparin was highlighted in 2008, when the existing regulatory procedures failed to identify a life-threatening adulteration of pharmaceutical heparin with oversulfated chondroitin sulfate (OSCS). The subsequent contamination crisis resulted in the exploration of alternative approaches for which the use of multidimensional nuclear magnetic resonance (NMR) spectroscopy techniques and multivariate analysis emerged as the gold standard. This procedure is, however, technically demanding and requires access to expensive equipment. An alternative approach, utilizing attenuated total reflectance-Fourier transform infrared spectroscopy (ATR-FTIR) combined with multivariate analysis, has been developed. The method described enables the differentiation of diverse GAG samples, the classification of samples of distinct species provenance, and the detection of both established heparin contaminants and alien polysaccharides. This methodology has sensitivity comparable to that of NMR and can facilitate the rapid, cost-effective monitoring and analysis of pharmaceutical heparin. It is therefore suitable for future deployment throughout the supply chain.
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Affiliation(s)
- Anthony
J. Devlin
- Centre
for Glycoscience Research and Training, Keele University, Huxley Building, Keele, Staffordshire ST5 5BG, United Kingdom
- Istituto
di Ricerche Chimiche e Biochimiche ‘G. Ronzoni’, Via G. Colombo 81, Milan 20133, Italy
| | - Courtney J. Mycroft-West
- Centre
for Glycoscience Research and Training, Keele University, Huxley Building, Keele, Staffordshire ST5 5BG, United Kingdom
- The
Rosalind Franklin Institute, Harwell Science and Innovation Campus, Oxfordshire OX11 0QG, United Kingdom
| | - Jeremy E. Turnbull
- Centre
for Glycoscience Research and Training, Keele University, Huxley Building, Keele, Staffordshire ST5 5BG, United Kingdom
| | - Marcelo Andrade de Lima
- Centre
for Glycoscience Research and Training, Keele University, Huxley Building, Keele, Staffordshire ST5 5BG, United Kingdom
| | - Marco Guerrini
- Istituto
di Ricerche Chimiche e Biochimiche ‘G. Ronzoni’, Via G. Colombo 81, Milan 20133, Italy
| | - Edwin A. Yates
- Centre
for Glycoscience Research and Training, Keele University, Huxley Building, Keele, Staffordshire ST5 5BG, United Kingdom
- Department
of Biochemistry and Systems Biology, Institute of Structural, Molecular
and Integrative Biology, University of Liverpool, Crown Street, Liverpool L69 7ZB, United Kingdom
| | - Mark A. Skidmore
- Centre
for Glycoscience Research and Training, Keele University, Huxley Building, Keele, Staffordshire ST5 5BG, United Kingdom
- Department
of Biochemistry and Systems Biology, Institute of Structural, Molecular
and Integrative Biology, University of Liverpool, Crown Street, Liverpool L69 7ZB, United Kingdom
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11
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HS, an Ancient Molecular Recognition and Information Storage Glycosaminoglycan, Equips HS-Proteoglycans with Diverse Matrix and Cell-Interactive Properties Operative in Tissue Development and Tissue Function in Health and Disease. Int J Mol Sci 2023; 24:ijms24021148. [PMID: 36674659 PMCID: PMC9867265 DOI: 10.3390/ijms24021148] [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] [Received: 11/15/2022] [Revised: 12/23/2022] [Accepted: 12/27/2022] [Indexed: 01/11/2023] Open
Abstract
Heparan sulfate is a ubiquitous, variably sulfated interactive glycosaminoglycan that consists of repeating disaccharides of glucuronic acid and glucosamine that are subject to a number of modifications (acetylation, de-acetylation, epimerization, sulfation). Variable heparan sulfate chain lengths and sequences within the heparan sulfate chains provide structural diversity generating interactive oligosaccharide binding motifs with a diverse range of extracellular ligands and cellular receptors providing instructional cues over cellular behaviour and tissue homeostasis through the regulation of essential physiological processes in development, health, and disease. heparan sulfate and heparan sulfate-PGs are integral components of the specialized glycocalyx surrounding cells. Heparan sulfate is the most heterogeneous glycosaminoglycan, in terms of its sequence and biosynthetic modifications making it a difficult molecule to fully characterize, multiple ligands also make an elucidation of heparan sulfate functional properties complicated. Spatio-temporal presentation of heparan sulfate sulfate groups is an important functional determinant in tissue development and in cellular control of wound healing and extracellular remodelling in pathological tissues. The regulatory properties of heparan sulfate are mediated via interactions with chemokines, chemokine receptors, growth factors and morphogens in cell proliferation, differentiation, development, tissue remodelling, wound healing, immune regulation, inflammation, and tumour development. A greater understanding of these HS interactive processes will improve therapeutic procedures and prognoses. Advances in glycosaminoglycan synthesis and sequencing, computational analytical carbohydrate algorithms and advanced software for the evaluation of molecular docking of heparan sulfate with its molecular partners are now available. These advanced analytic techniques and artificial intelligence offer predictive capability in the elucidation of heparan sulfate conformational effects on heparan sulfate-ligand interactions significantly aiding heparan sulfate therapeutics development.
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12
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Characterization of Hyaluronidase 4 Involved in the Catabolism of Chondroitin Sulfate. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27186103. [PMID: 36144836 PMCID: PMC9501593 DOI: 10.3390/molecules27186103] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/18/2022] [Revised: 09/09/2022] [Accepted: 09/11/2022] [Indexed: 11/26/2022]
Abstract
Hyaluronidases (HYALs) are endo-beta-N-acetylhexosaminidases that depolymerize not only hyaluronan but also chondroitin sulfate (CS) at the initial step of their catabolism. Although HYAL1 hydrolyzes both CS and HA, HYAL4 is a CS-specific endoglycosidase. The substrate specificity of HYAL4 and identification of amino acid residues required for its enzymatic activity have been reported. In this study, we characterized the properties of HYAL4 including the expression levels in various tissues, cellular localization, and effects of its overexpression on intracellular CS catabolism, using cultured cells as well as mouse tissues. Hyal4 mRNA and HYAL4 protein were demonstrated to be ubiquitously expressed in various organs in the mouse. HYAL4 protein was shown to be present both on cell surfaces as well as in lysosomes of rat skeletal muscle myoblasts, L6 cells. Overexpression of HYAL4 in Chinese hamster ovary cells decreased in the total amount of CS, suggesting its involvement in the cellular catabolism of CS. In conclusion, HYAL4 may be widely distributed and play various biological roles, including the intracellular depolymerization of CS.
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13
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Noborn F, Nilsson J, Larson G. Site-specific glycosylation of proteoglycans: a revisited frontier in proteoglycan research. Matrix Biol 2022; 111:289-306. [PMID: 35840015 DOI: 10.1016/j.matbio.2022.07.002] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2022] [Revised: 06/11/2022] [Accepted: 07/11/2022] [Indexed: 11/29/2022]
Abstract
Proteoglycans (PGs), a class of carbohydrate-modified proteins, are present in essentially all metazoan organisms investigated to date. PGs are composed of glycosaminoglycan (GAG) chains attached to various core proteins and are important for embryogenesis and normal homeostasis. PGs exert many of their functions via their GAG chains and understanding the details of GAG-ligand interactions has been an essential part of PG research. Although PGs are also involved in many diseases, the number of GAG-related drugs used in the clinic is yet very limited, indicating a lack of detailed structure-function understanding. Structural analysis of PGs has traditionally been obtained by first separating the GAG chains from the core proteins, after which the two components are analyzed separately. While this strategy greatly facilitates the analysis, it precludes site-specific information and introduces either a "GAG" or a "core protein" perspective on the data interpretation. Mass-spectrometric (MS) glycoproteomic approaches have recently been introduced, providing site-specific information on PGs. Such methods have revealed a previously unknown structural complexity of the GAG linkage regions and resulted in identification of several novel CSPGs and HSPGs in humans and in model organisms, thereby expanding our view on PG complexity. In light of these findings, we discuss here if the use of such MS-based techniques, in combination with various functional assays, can also be used to expand our functional understanding of PGs. We have also summarized the site-specific information of all human PGs known to date, providing a theoretical framework for future studies on site-specific functional analysis of PGs in human pathophysiology.
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Affiliation(s)
- Fredrik Noborn
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden; Department of Laboratory Medicine, Sundsvall County Hospital, Sweden.
| | - Jonas Nilsson
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden; Proteomics Core Facility, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
| | - Göran Larson
- Department of Laboratory Medicine, Institute of Biomedicine, Sahlgrenska Academy at the University of Gothenburg, Gothenburg, Sweden
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14
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Dhawan V, Cui XT. Carbohydrate based biomaterials for neural interface applications. J Mater Chem B 2022; 10:4714-4740. [PMID: 35702979 DOI: 10.1039/d2tb00584k] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Neuroprosthetic devices that record and modulate neural activities have demonstrated immense potential for bypassing or restoring lost neurological functions due to neural injuries and disorders. However, implantable electrical devices interfacing with brain tissue are susceptible to a series of inflammatory tissue responses along with mechanical or electrical failures which can affect the device performance over time. Several biomaterial strategies have been implemented to improve device-tissue integration for high quality and stable performance. Ranging from developing smaller, softer, and more flexible electrode designs to introducing bioactive coatings and drug-eluting layers on the electrode surface, such strategies have shown different degrees of success but with limitations. With their hydrophilic properties and specific bioactivities, carbohydrates offer a potential solution for addressing some of the limitations of the existing biomolecular approaches. In this review, we summarize the role of polysaccharides in the central nervous system, with a primary focus on glycoproteins and proteoglycans, to shed light on their untapped potential as biomaterials for neural implants. Utilization of glycosaminoglycans for neural interface and tissue regeneration applications is comprehensively reviewed to provide the current state of carbohydrate-based biomaterials for neural implants. Finally, we will discuss the challenges and opportunities of applying carbohydrate-based biomaterials for neural tissue interfaces.
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Affiliation(s)
- Vaishnavi Dhawan
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA. .,Center for Neural Basis of Cognition, Pittsburgh, PA, USA
| | - Xinyan Tracy Cui
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA. .,Center for Neural Basis of Cognition, Pittsburgh, PA, USA.,McGowan Institute for Regenerative Medicine, Pittsburgh, PA, USA
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15
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Yang Z, Chen S, Ying H, Yao W. Targeting Syndecan-1: New Opportunities in Cancer Therapy. Am J Physiol Cell Physiol 2022; 323:C29-C45. [PMID: 35584326 DOI: 10.1152/ajpcell.00024.2022] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
Syndecan-1 (SDC1, CD138) is one of the heparan sulfate proteoglycans and is essential for maintaining normal cell morphology, interacting with extracellular and intracellular protein repertoire as well as mediating signaling transduction upon environmental stimuli. The critical role of SDC1 in promoting tumorigenesis and metastasis has been increasingly recognized in various cancer types, implying a promising potential of utilizing SDC1 as a novel target for cancer therapy. This review summarizes the current knowledge on SDC1 structure and functions, including its role in tumor biology. We also discuss the highlights and limitations of current SDC1-targeted therapies as well as the obstacles in developing new therapeutic methods, offering our perspective on the future directions to target SDC1 for cancer treatment.
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Affiliation(s)
- Zecheng Yang
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States.,MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, United States
| | - Shuaitong Chen
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States.,MD Anderson Cancer Center UTHealth Graduate School of Biomedical Sciences, Houston, TX, United States
| | - Haoqiang Ying
- Department of Molecular and Cellular Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Wantong Yao
- Department of Translational Molecular Pathology, The University of Texas MD Anderson Cancer Center, Houston, TX, United States
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16
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Habuchi O. Functions of chondroitin/dermatan sulfate containing GalNAc4,6-disulfate. Glycobiology 2022; 32:664-678. [PMID: 35552694 DOI: 10.1093/glycob/cwac030] [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: 03/24/2022] [Revised: 05/05/2022] [Accepted: 05/05/2022] [Indexed: 11/13/2022] Open
Abstract
Chondroitin sulfate (CS) and dermatan sulfate (DS) containing GalNAc4,6-disulfate (GalNAc4S6S) were initially discovered in marine animals. Following the discovery, these glycosaminoglycans have been found in various animals including human. In the biosynthesis of CS/DS containing GalNAc4S6S, three groups of sulfotransferases are involved; chondroitin 4-sulfotransferases (C4STs), dermatan 4-sulfotransferase-1 (D4ST-1) and GalNAc 4-sulfate 6-O-sulfotransferase (GalNAc4S-6ST). GalNAc4S-6ST and its products have been shown to play important roles in the abnormal pathological conditions such as central nervous system injury, cancer development, abnormal tissue fibrosis, development of osteoporosis, and infection with viruses or nematodes. CS/DS containing GalNAc4S6S has been shown to increase with the functional differentiation of mast cells, macrophages and neutrophils. Genetic approaches using knockout or knockdown of GalNAc4S-6ST, blocking of the epitopes containing GalNAc4S6S by specific antibodies and chemical technology that enabled the synthesis of oligosaccharides with defined sulfation patterns have been applied successfully to these investigations. These studies contributed significantly to the basic understanding of the functional roles of CS/DS containing GalNAc4S6S in various abnormal conditions, and appear to provide promising clues to the development of possible measures to treat them.
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Affiliation(s)
- Osami Habuchi
- Multidisciplinary Pain Center, Aichi Medical University, Nagakute, Aichi 480-1195, Japan.,Department of Chemistry, Aichi University of Education, Igayacho, Kariya, Aichi 448-8542, Japan
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17
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Disease-specific glycosaminoglycan patterns in the extracellular matrix of human lung and brain. Carbohydr Res 2021; 511:108480. [PMID: 34837849 DOI: 10.1016/j.carres.2021.108480] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 11/11/2021] [Accepted: 11/11/2021] [Indexed: 11/24/2022]
Abstract
A wide variety of diseases throughout the mammalian organism is characterized by abnormal deposition of various components of the extracellular matrix (ECM), including the heterogeneous family of glycosaminoglycans (GAGs), which contribute considerably to the ECM architecture as part of the so-called proteoglycans. The GAG's unique sulfation pattern, derived from highly dynamic and specific modification processes, has a massive impact on critical mediators such as cytokines and growth factors. Due to the strong connection between the specific sulfation pattern and GAG function, slight alterations of this pattern are often associated with enormous changes at the cell as well as at the organ level. This review aims to investigate the connection between modifications of GAG sulfation patterns and the wide range of pathological conditions, mainly focusing on a range of chronic diseases of the central nervous system (CNS) as well as the respiratory tract.
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18
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Campbell VK, Gately RP, Krishnasamy R, Burg D, Robertson GR, Gray NA. Midkine and chronic kidney disease-associated multisystem organ dysfunctions. Nephrol Dial Transplant 2021; 36:1577-1584. [PMID: 32542315 DOI: 10.1093/ndt/gfaa084] [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: 09/28/2019] [Accepted: 02/18/2020] [Indexed: 12/18/2022] Open
Abstract
Chronic kidney disease (CKD) is a progressive multisystem condition with yet undefined mechanistic drivers and multiple implicated soluble factors. If identified, these factors could be targeted for therapeutic intervention for a disease that currently lacks specific treatment. There is increasing preclinical evidence that the heparin/endothelial glycocalyx-binding molecule midkine (MK) has a pathological role in multiple CKD-related, organ-specific disease processes, including CKD progression, hypertension, vascular and cardiac disease, bone disease and CKD-related cancers. Concurrent with this are studies documenting increases in circulating and urine MK proportional to glomerular filtration rate (GFR) loss in CKD patients and evidence that administering soluble MK reverses the protective effects of MK deficiency in experimental kidney disease. This review summarizes the growing body of evidence supporting MK's potential role in driving CKD-related multisystem disease, including MK's relationship with the endothelial glycocalyx, the deranged MK levels and glycocalyx profile in CKD patients and a proposed model of MK organ interplay in CKD disease processes and highlights the importance of ongoing research into MK's potential as a therapeutic target.
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Affiliation(s)
- Victoria K Campbell
- Renal Unit, Sunshine Coast University Hospital, Birtinya, Queensland, Australia.,University of Queensland, St Lucia, Queensland, Australia.,Intensive Care Unit, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
| | - Ryan P Gately
- Renal Unit, Sunshine Coast University Hospital, Birtinya, Queensland, Australia
| | - Rathika Krishnasamy
- Renal Unit, Sunshine Coast University Hospital, Birtinya, Queensland, Australia.,University of Queensland, St Lucia, Queensland, Australia
| | | | | | - Nicholas A Gray
- Renal Unit, Sunshine Coast University Hospital, Birtinya, Queensland, Australia.,Sunshine Coast Health Institute, Birtinya, Queensland, Australia.,University of the Sunshine Coast, Sippy Downs, Queensland, Australia
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19
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Watanabe T, Takeda K, Hiemori K, Minamisawa T, Tateno H. A glycosaminoglycan microarray identifies the binding of SARS-CoV-2 spike protein to chondroitin sulfate E. FEBS Lett 2021; 595:2341-2349. [PMID: 34375459 PMCID: PMC8427098 DOI: 10.1002/1873-3468.14173] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2021] [Revised: 07/19/2021] [Accepted: 08/04/2021] [Indexed: 11/11/2022]
Abstract
Heparan sulfate (HS), a sulfated glycosaminoglycan (GAG), was reported to be a necessary host attachment factor that promotes SARS-CoV-2 infection. In this study, we developed GAG microarrays based on fluorescence detection for high-sensitivity screening of the GAG-binding specificity of proteins and applied it for the analysis of SARS-CoV-2 spike (S) protein. Among the 20 distinct GAGs, the S protein bound not only to heparin (HEP)/HS but also to chondroitin sulfate E (CSE) in a concentration-dependent manner. We then analyzed the specificity of each subunit of the S protein. While the S1 subunit showed exclusive binding to HEP, the S2 subunit also bound to CSE and HEP/HS. CSE might act as an alternative attachment factor for HS in SARS-CoV-2 infection.
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Affiliation(s)
- Tomoko Watanabe
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan
| | - Ko Takeda
- Central Research Laboratory, Seikagaku Corporation, Higashiyamato-shi, Japan
| | - Keiko Hiemori
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan
| | | | - Hiroaki Tateno
- Cellular and Molecular Biotechnology Research Institute, National Institute of Advanced Industrial Science and Technology (AIST), Tsukuba, Japan
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20
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Keller-Pinter A, Gyulai-Nagy S, Becsky D, Dux L, Rovo L. Syndecan-4 in Tumor Cell Motility. Cancers (Basel) 2021; 13:cancers13133322. [PMID: 34282767 PMCID: PMC8268284 DOI: 10.3390/cancers13133322] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Revised: 06/25/2021] [Accepted: 06/27/2021] [Indexed: 12/13/2022] Open
Abstract
Simple Summary Cell migration is crucial fReaor metastasis formation and a hallmark of malignancy. The primary cause of high mortality among oncology patients is the ability of cancer cells to metastasize. To form metastasis, primary tumor cells must be intrinsically able to move. The transmembrane, heparan sulfate proteoglycan syndecan-4 (SDC4) exhibits multiple functions in signal transduction by regulating Rac1 GTPase activity and consequently actin remodeling, as well as regulating focal adhesion kinase, protein kinase C-alpha and the level of intracellular calcium. By affecting several signaling pathways and biological processes, SDC4 is involved in cell migration under physiological and pathological conditions as well. In this review, we discuss the SDC4-mediated cell migration focusing on the role of SDC4 in tumor cell movement. Abstract Syndecan-4 (SDC4) is a ubiquitously expressed, transmembrane proteoglycan bearing heparan sulfate chains. SDC4 is involved in numerous inside-out and outside-in signaling processes, such as binding and sequestration of growth factors and extracellular matrix components, regulation of the activity of the small GTPase Rac1, protein kinase C-alpha, the level of intracellular calcium, or the phosphorylation of focal adhesion kinase. The ability of this proteoglycan to link the extracellular matrix and actin cytoskeleton enables SDC4 to contribute to biological functions like cell adhesion and migration, cell proliferation, cytokinesis, cellular polarity, or mechanotransduction. The multiple roles of SDC4 in tumor pathogenesis and progression has already been demonstrated; therefore, the expression and signaling of SDC4 was investigated in several tumor types. SDC4 influences tumor progression by regulating cell proliferation as well as cell migration by affecting cell-matrix adhesion and several signaling pathways. Here, we summarize the general role of SDC4 in cell migration and tumor cell motility.
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Affiliation(s)
- Aniko Keller-Pinter
- Department of Biochemistry, Faculty of Medicine, University of Szeged, H-6720 Szeged, Hungary; (S.G.-N.); (D.B.); (L.D.)
- Correspondence:
| | - Szuzina Gyulai-Nagy
- Department of Biochemistry, Faculty of Medicine, University of Szeged, H-6720 Szeged, Hungary; (S.G.-N.); (D.B.); (L.D.)
| | - Daniel Becsky
- Department of Biochemistry, Faculty of Medicine, University of Szeged, H-6720 Szeged, Hungary; (S.G.-N.); (D.B.); (L.D.)
| | - Laszlo Dux
- Department of Biochemistry, Faculty of Medicine, University of Szeged, H-6720 Szeged, Hungary; (S.G.-N.); (D.B.); (L.D.)
| | - Laszlo Rovo
- Department of Oto-Rhino-Laryngology and Head-Neck Surgery, University of Szeged, H-6725 Szeged, Hungary;
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21
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Hudák A, Jósvay K, Domonkos I, Letoha A, Szilák L, Letoha T. The Interplay of Apoes with Syndecans in Influencing Key Cellular Events of Amyloid Pathology. Int J Mol Sci 2021; 22:ijms22137070. [PMID: 34209175 PMCID: PMC8268055 DOI: 10.3390/ijms22137070] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 06/20/2021] [Accepted: 06/28/2021] [Indexed: 01/06/2023] Open
Abstract
Apolipoprotein E (ApoE) isoforms exert intricate effects on cellular physiology beyond lipid transport and metabolism. ApoEs influence the onset of Alzheimer’s disease (AD) in an isoform-dependent manner: ApoE4 increases AD risk, while ApoE2 decreases it. Previously we demonstrated that syndecans, a transmembrane proteoglycan family with increased expression in AD, trigger the aggregation and modulate the cellular uptake of amyloid beta (Aβ). Utilizing our previously established syndecan-overexpressing cellular assays, we now explore how the interplay of ApoEs with syndecans contributes to key events, namely uptake and aggregation, in Aβ pathology. The interaction of ApoEs with syndecans indicates isoform-specific characteristics arising beyond the frequently studied ApoE–heparan sulfate interactions. Syndecans, and among them the neuronal syndecan-3, increased the cellular uptake of ApoEs, especially ApoE2 and ApoE3, while ApoEs exerted opposing effects on syndecan-3-mediated Aβ uptake and aggregation. ApoE2 increased the cellular internalization of monomeric Aβ, hence preventing its extracellular aggregation, while ApoE4 decreased it, thus helping the buildup of extracellular plaques. The contrary effects of ApoE2 and ApoE4 remained once Aβ aggregated: while ApoE2 reduced the uptake of Aβ aggregates, ApoE4 facilitated it. Fibrillation studies also revealed ApoE4′s tendency to form fibrillar aggregates. Our results uncover yet unknown details of ApoE cellular biology and deepen our molecular understanding of the ApoE-dependent mechanism of Aβ pathology.
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Affiliation(s)
- Anett Hudák
- Pharmacoidea Ltd., H-6726 Szeged, Hungary; (A.H.); (L.S.)
| | - Katalin Jósvay
- Institute of Biochemistry, Biological Research Centre, H-6726 Szeged, Hungary;
| | - Ildikó Domonkos
- Institute of Plant Biology, Biological Research Centre, H-6726 Szeged, Hungary;
| | - Annamária Letoha
- Department of Medicine, Albert Szent-Györgyi Clinical Center, Faculty of Medicine, University of Szeged, H-6725 Szeged, Hungary;
| | - László Szilák
- Pharmacoidea Ltd., H-6726 Szeged, Hungary; (A.H.); (L.S.)
| | - Tamás Letoha
- Pharmacoidea Ltd., H-6726 Szeged, Hungary; (A.H.); (L.S.)
- Correspondence: ; Tel.: +36-(30)-2577393
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22
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Contribution of Syndecans to the Cellular Entry of SARS-CoV-2. Int J Mol Sci 2021; 22:ijms22105336. [PMID: 34069441 PMCID: PMC8159090 DOI: 10.3390/ijms22105336] [Citation(s) in RCA: 33] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 05/14/2021] [Accepted: 05/16/2021] [Indexed: 12/13/2022] Open
Abstract
The severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) is a novel emerging pathogen causing an unprecedented pandemic in 21st century medicine. Due to the significant health and economic burden of the current SARS-CoV-2 outbreak, there is a huge unmet medical need for novel interventions effectively blocking SARS-CoV-2 infection. Unknown details of SARS-CoV-2 cellular biology hamper the development of potent and highly specific SARS-CoV-2 therapeutics. Angiotensin-converting enzyme-2 (ACE2) has been reported to be the primary receptor for SARS-CoV-2 cellular entry. However, emerging scientific evidence suggests the involvement of additional membrane proteins, such as heparan sulfate proteoglycans, in SARS-CoV-2 internalization. Here, we report that syndecans, the evolutionarily conserved family of transmembrane proteoglycans, facilitate the cellular entry of SARS-CoV-2. Among syndecans, the lung abundant syndecan-4 was the most efficient in mediating SARS-CoV-2 uptake. The S1 subunit of the SARS-CoV-2 spike protein plays a dominant role in the virus's interactions with syndecans. Besides the polyanionic heparan sulfate chains, other parts of the syndecan ectodomain, such as the cell-binding domain, also contribute to the interaction with SARS-CoV-2. During virus internalization, syndecans colocalize with ACE2, suggesting a jointly shared internalization pathway. Both ACE2 and syndecan inhibitors exhibited significant efficacy in reducing the cellular entry of SARS-CoV-2, thus supporting the complex nature of internalization. Data obtained on syndecan specific in vitro assays present syndecans as novel cellular targets of SARS-CoV-2 and offer molecularly precise yet simple strategies to overcome the complex nature of SARS-CoV-2 infection.
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23
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Yang H, Liu Y, Zhao MM, Guo Q, Zheng XK, Liu D, Zeng KW, Tu PF. Therapeutic potential of targeting membrane-spanning proteoglycan SDC4 in hepatocellular carcinoma. Cell Death Dis 2021; 12:492. [PMID: 33990545 PMCID: PMC8121893 DOI: 10.1038/s41419-021-03780-y] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Revised: 04/17/2021] [Accepted: 04/19/2021] [Indexed: 12/15/2022]
Abstract
Syndecan-4 (SDC4) functions as a major endogenous membrane-associated receptor and widely regulates cytoskeleton, cell adhesion, and cell migration in human tumorigenesis and development, which represents a charming anti-cancer therapeutic target. Here, SDC4 was identified as a direct cellular target of small-molecule bufalin with anti-hepatocellular carcinoma (HCC) activity. Mechanism studies revealed that bufalin directly bond to SDC4 and selectively increased SDC4 interaction with substrate protein DEAD-box helicase 23 (DDX23) to induce HCC genomic instability. Meanwhile, pharmacological promotion of SDC4/DDX23 complex formation also inactivated matrix metalloproteinases (MMPs) and augmented p38/JNK MAPKs phosphorylation, which are highly associated with HCC proliferation and migration. Notably, specific knockdown of SDC4 or DDX23 markedly abolished bufalin-dependent inhibition of HCC proliferation and migration, indicating SDC4/DDX23 signaling axis is highly involved in the HCC process. Our results indicate that membrane-spanning proteoglycan SDC4 is a promising druggable target for HCC, and pharmacological regulation of SDC4/DDX23 signaling axis with small-molecule holds great potential to benefit HCC patients.
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Affiliation(s)
- Heng Yang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Yang Liu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Mei-Mei Zhao
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Qiang Guo
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Xi-Kang Zheng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Dan Liu
- Proteomics Laboratory, Medical and Healthy Analytical Center, Peking University Health Science Center, Beijing, 100191, China
| | - Ke-Wu Zeng
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China.
| | - Peng-Fei Tu
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China.
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Antiviral strategies should focus on stimulating the biosynthesis of heparan sulfates, not their inhibition. Life Sci 2021; 277:119508. [PMID: 33865880 PMCID: PMC8046744 DOI: 10.1016/j.lfs.2021.119508] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 03/31/2021] [Accepted: 04/06/2021] [Indexed: 12/23/2022]
Abstract
Antiviral strategies for viruses that utilize proteoglycan core proteins (syndecans and glypicans) as receptors should focus on heparan sulfate (HS) biosynthesis rather than on inhibition of these sugar chains. Here, we show that heparin and certain xylosides, which exhibit in vitro viral entry inhibitory properties against HSV-1, HSV-2, HPV-16, HPV-31, HVB, HVC, HIV-1, HTLV-1, SARS-CoV-2, HCMV, DENV-1, and DENV-2, stimulated HS biosynthesis at the cell surface 2- to 3-fold for heparin and up to 10-fold for such xylosides. This is consistent with the hypothesis from a previous study that for core protein attachment, viruses are glycosylated at HS attachment sites (i.e., serine residues intended to receive the D-xylose molecule for initiating HS chains). Heparanase overexpression, endocytic entry, and syndecan shedding enhancement, all of which are observed during viral infection, lead to glycocalyx deregulation and appear to be direct consequences of this hypothesis. In addition to the appearance of type 2 diabetes and the degradation of HS observed during viral infection, we linked this hypothesis to that proposed in a previous publication.
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Gopal S, Arokiasamy S, Pataki C, Whiteford JR, Couchman JR. Syndecan receptors: pericellular regulators in development and inflammatory disease. Open Biol 2021; 11:200377. [PMID: 33561383 PMCID: PMC8061687 DOI: 10.1098/rsob.200377] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2020] [Accepted: 01/19/2021] [Indexed: 02/06/2023] Open
Abstract
The syndecans are the major family of transmembrane proteoglycans, usually bearing multiple heparan sulfate chains. They are present on virtually all nucleated cells of vertebrates and are also present in invertebrates, indicative of a long evolutionary history. Genetic models in both vertebrates and invertebrates have shown that syndecans link to the actin cytoskeleton and can fine-tune cell adhesion, migration, junction formation, polarity and differentiation. Although often associated as co-receptors with other classes of receptors (e.g. integrins, growth factor and morphogen receptors), syndecans can nonetheless signal to the cytoplasm in discrete ways. Syndecan expression levels are upregulated in development, tissue repair and an array of human diseases, which has led to the increased appreciation that they may be important in pathogenesis not only as diagnostic or prognostic agents, but also as potential targets. Here, their functions in development and inflammatory diseases are summarized, including their potential roles as conduits for viral pathogen entry into cells.
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Affiliation(s)
- Sandeep Gopal
- Development and Stem Cells Program, Monash Biomedicine Discovery Institute and Department of Anatomy and Developmental Biology, Monash University, Melbourne, Victoria 3800, Australia
| | - Samantha Arokiasamy
- William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK
| | - Csilla Pataki
- Biotech Research and Innovation Centre, University of Copenhagen, Biocentre 1.3.16, Ole Maaløes Vej 5, 2200 Copenhagen N, Denmark
| | - James R. Whiteford
- William Harvey Research Institute, Barts and the London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK
| | - John R. Couchman
- Biotech Research and Innovation Centre, University of Copenhagen, Biocentre 1.3.16, Ole Maaløes Vej 5, 2200 Copenhagen N, Denmark
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26
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Shamdani S, Chantepie S, Flageollet C, Henni-Chebra N, Jouan Y, Eymard F, Hay E, Cohen-Solal M, Papy-Garcia D, Chevalier X, Albanese P. Heparan sulfate functions are altered in the osteoarthritic cartilage. Arthritis Res Ther 2020; 22:283. [PMID: 33287871 PMCID: PMC7722421 DOI: 10.1186/s13075-020-02352-3] [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: 06/06/2020] [Accepted: 10/12/2020] [Indexed: 01/02/2023] Open
Abstract
BACKGROUND Heparan sulfate (HS) proteoglycans (PG) may be found at the chondrocyte surface and in the pericellular cartilage matrix, and are involved in cell-cell and cell-matrix interactions. An important function of HS chains is to regulate cell fate through specific interactions with heparin-binding proteins (HBP) modulated by their complex sulfation pattern. Osteoarthritis (OA) is a joint disorder characterized by the degradation of articular cartilaginous extracellular matrix. The aim of this study was to investigate HS structure and functions in osteoarthritic cartilages compared to normal cartilages (controls). METHODS Glycosaminoglycans (GAG) were extracted from human macroscopically normal cartilages (controls, n = 7) and (OA cartilages n = 11). HS were isolated and quantified using the DMMB quantification method. Their structure and functions were then compared using respectively a HPLC analysis and HBP binding tests and their phenotypic effects on murine chondrocytes were studied by RQ-PCR. Statistical analyzes were performed using a one-way ANOVA followed by a Dunnett's test or a t test for pairwise comparisons. RESULTS In OA, HS were characterized by increased sulfation levels compared to controls. Moreover, the capacity of these HS to bind HBP involved in the OA pathophysiological process such as FGF2 and VEGF was reduced. Chondroitin sulfates and keratan sulfates regulated these binding properties. Finally, HS from OA cartilages induced the mRNA levels of catabolic markers such as MMP3, MMP13, and TS4 and inhibited the mRNA levels of anabolic markers such as COL2, ACAN, SOX9, and VEGF in murine articular chondrocytes. CONCLUSION The sulfation of HS chains was increased in OA cartilages with changes in HBP binding properties and biological effects on chondrocyte phenotypes. Thus, modified HS present in altered cartilages could be a novel therapeutic target in OA.
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Affiliation(s)
- Sara Shamdani
- Univ Paris Est Creteil, Gly-CRRET, Glycobiology Cell Growth Tissue Repair and Regeneration Research Unit, Créteil, F-94010, France
| | - Sandrine Chantepie
- Univ Paris Est Creteil, Gly-CRRET, Glycobiology Cell Growth Tissue Repair and Regeneration Research Unit, Créteil, F-94010, France
| | - Camille Flageollet
- Univ Paris Est Creteil, Gly-CRRET, Glycobiology Cell Growth Tissue Repair and Regeneration Research Unit, Créteil, F-94010, France
| | - Nadia Henni-Chebra
- Univ Paris Est Creteil, Gly-CRRET, Glycobiology Cell Growth Tissue Repair and Regeneration Research Unit, Créteil, F-94010, France
| | - Yohann Jouan
- INSERM, UMR-S 1132 Bioscar, Centre Viggo Petersen, Hôpital Lariboisière, 2, Rue Ambroise Paré,, Creteil, F-94010, France.,BIOSCAR Inserm U1132, Université de Paris, F-75010, Paris, France
| | - Florent Eymard
- Univ Paris Est Creteil, Gly-CRRET, Glycobiology Cell Growth Tissue Repair and Regeneration Research Unit, Créteil, F-94010, France.,INSERM, UMR-S 1132 Bioscar, Centre Viggo Petersen, Hôpital Lariboisière, 2, Rue Ambroise Paré, Créteil, 75010, France
| | - Eric Hay
- INSERM, UMR-S 1132 Bioscar, Centre Viggo Petersen, Hôpital Lariboisière, 2, Rue Ambroise Paré,, Creteil, F-94010, France.,BIOSCAR Inserm U1132, Université de Paris, F-75010, Paris, France
| | - Martine Cohen-Solal
- INSERM, UMR-S 1132 Bioscar, Centre Viggo Petersen, Hôpital Lariboisière, 2, Rue Ambroise Paré,, Creteil, F-94010, France.,BIOSCAR Inserm U1132, Université de Paris, F-75010, Paris, France.,Université de Paris (UFR de Médecine), Paris, 75010, France
| | - Dulce Papy-Garcia
- Univ Paris Est Creteil, Gly-CRRET, Glycobiology Cell Growth Tissue Repair and Regeneration Research Unit, Créteil, F-94010, France
| | - Xavier Chevalier
- Univ Paris Est Creteil, Gly-CRRET, Glycobiology Cell Growth Tissue Repair and Regeneration Research Unit, Créteil, F-94010, France.,INSERM, UMR-S 1132 Bioscar, Centre Viggo Petersen, Hôpital Lariboisière, 2, Rue Ambroise Paré, Créteil, 75010, France
| | - Patricia Albanese
- Univ Paris Est Creteil, Gly-CRRET, Glycobiology Cell Growth Tissue Repair and Regeneration Research Unit, Créteil, F-94010, France.
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27
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Jiang XZ, Yang L, Ventikos Y, Luo KH. Sodium ion transport across the endothelial glycocalyx layer under electric field conditions: A molecular dynamics study. J Chem Phys 2020; 153:105102. [PMID: 32933268 DOI: 10.1063/5.0014177] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
In the present research, the sodium ion transport across the endothelial glycocalyx layer (EGL) under an imposed electric field is investigated, for the first time, using a series of molecular dynamics simulations. The electric field is perpendicularly imposed on the EGL with varying strengths. The sodium ion molarity difference between the inner and outer layers of EGL, Δc, is used to quantify the sodium transport in the presence of the negatively charged glycocalyx sugar chains. Results suggest that a weak electric field increases Δc, regardless of whether the electric field is imposed perpendicularly inward or outward. By contrast, a strong electric field drives sodium ions to travel in the same orientation as the electric field. Scrutiny of the charge distribution of the glycocalyx sugar chains suggests that the electric field modifies the spatial layouts of glycocalyx atoms as it drives the transport of sodium ions. The modification in glycocalyx layouts further changes the inter-molecular interactions between glycocalyx sugar chains and sodium ions, thereby limiting the electric field control of ion transport. The sodium ions, in turn, alter the apparent bending stiffness of glycocalyx. Moreover, the negative charges of the glycocalyx sugar chains play an important role in maintaining structural stability of endothelial glycocalyx. Based on the findings, a hypothesis is proposed regarding the existence of a strength threshold of the electric field in controlling charged particles in the endothelium, which offers an alternative explanation for contrasting results in previous experimental observations.
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Affiliation(s)
- Xi Zhuo Jiang
- Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, United Kingdom
| | - Lumeng Yang
- Department of Neurology, Huashan Hospital, Fudan University, No. 12 Wulumuqi Zhong Road, Shanghai 200040, People's Republic of China
| | - Yiannis Ventikos
- Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, United Kingdom
| | - Kai H Luo
- Department of Mechanical Engineering, University College London, Torrington Place, London WC1E 7JE, United Kingdom
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28
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Kleiser S, Nyström A. Interplay between Cell-Surface Receptors and Extracellular Matrix in Skin. Biomolecules 2020; 10:E1170. [PMID: 32796709 PMCID: PMC7465455 DOI: 10.3390/biom10081170] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2020] [Revised: 08/01/2020] [Accepted: 08/05/2020] [Indexed: 12/12/2022] Open
Abstract
Skin consists of the epidermis and dermis, which are connected by a specialized basement membrane-the epidermal basement membrane. Both the epidermal basement membrane and the underlying interstitial extracellular matrix (ECM) created by dermal fibroblasts contain distinct network-forming macromolecules. These matrices play various roles in order to maintain skin homeostasis and integrity. Within this complex interplay of cells and matrices, cell surface receptors play essential roles not only for inside-out and outside-in signaling, but also for establishing mechanical and biochemical properties of skin. Already minor modulations of this multifactorial cross-talk can lead to severe and systemic diseases. In this review, major epidermal and dermal cell surface receptors will be addressed with respect to their interactions with matrix components as well as their roles in fibrotic, inflammatory or tumorigenic skin diseases.
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Affiliation(s)
- Svenja Kleiser
- Department of Dermatology, Faculty of Medicine and Medical Center, University of Freiburg, Hauptstraße 7, 79104 Freiburg, Germany
- Faculty of Biology, University of Freiburg, Schänzlestraße 1, 79104 Freiburg, Germany
| | - Alexander Nyström
- Department of Dermatology, Faculty of Medicine and Medical Center, University of Freiburg, Hauptstraße 7, 79104 Freiburg, Germany
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29
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Abstract
Pleiotrophin (PTN) is a potent mitogenic cytokine with a high affinity for the polysaccharide glycosaminoglycan (GAG). Although it is most strongly associated with neural development during embryogenesis and the neonatal period, its expression has also been linked to a plethora of other physiological events including cancer metastasis, angiogenesis, bone development, and inflammation. A considerable amount of research has been carried out to understand the mechanisms by which PTN regulates these events. In particular, PTN has now been shown to bind a diverse collection of receptors including many GAG-containing proteoglycans. These interactions lead to the activation of many intracellular kinases and, ultimately, activation and transformation of cells. Structural studies of PTN in complex with both GAG and domains from its non-proteoglycan receptors reveal a binding mechanism that relies on electrostatic interactions and points to PTN-induced receptor oligomerization as one of the possible ways PTN uses to control cellular functions.
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30
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Jiang XZ, Lu Y, Luo KH, Ventikos Y. Understanding endothelial glycocalyx function under flow shear stress from a molecular perspective. Biorheology 2019; 56:89-100. [DOI: 10.3233/bir-180193] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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31
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Hudák A, Kusz E, Domonkos I, Jósvay K, Kodamullil AT, Szilák L, Hofmann-Apitius M, Letoha T. Contribution of syndecans to cellular uptake and fibrillation of α-synuclein and tau. Sci Rep 2019; 9:16543. [PMID: 31719623 PMCID: PMC6851098 DOI: 10.1038/s41598-019-53038-z] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2019] [Accepted: 10/28/2019] [Indexed: 11/09/2022] Open
Abstract
Scientific evidence suggests that α-synuclein and tau have prion-like properties and that prion-like spreading and seeding of misfolded protein aggregates constitutes a central mechanism for neurodegeneration. Heparan sulfate proteoglycans (HSPGs) in the plasma membrane support this process by attaching misfolded protein fibrils. Despite of intense studies, contribution of specific HSPGs to seeding and spreading of α-synuclein and tau has not been explored yet. Here we report that members of the syndecan family of HSPGs mediate cellular uptake of α-synuclein and tau fibrils via a lipid-raft dependent and clathrin-independent endocytic route. Among syndecans, the neuron predominant syndecan-3 exhibits the highest affinity for both α-synuclein and tau. Syndecan-mediated internalization of α-synuclein and tau depends heavily on conformation as uptake via syndecans start to dominate once fibrils are formed. Overexpression of syndecans, on the other hand, reduces cellular uptake of monomeric α-synuclein and tau, yet exerts a fibril forming effect on both proteins. Data obtained from syndecan overexpressing cellular models presents syndecans, especially the neuron predominant syndecan-3, as important mediators of seeding and spreading of α-synuclein and tau and reveal how syndecans contribute to fundamental molecular events of α-synuclein and tau pathology.
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Affiliation(s)
| | | | - Ildikó Domonkos
- Biological Research Centre of the Hungarian Academy of Sciences, Szeged, H-6726, Hungary
| | - Katalin Jósvay
- Biological Research Centre of the Hungarian Academy of Sciences, Szeged, H-6726, Hungary
| | - Alpha Tom Kodamullil
- Fraunhofer Institute for Algorithms and Scientific Computing (SCAI), Sankt Augustin, 53754, Germany
| | - László Szilák
- Szilak Laboratories, Bioinformatics and Molecule-Design, Szeged, H-6723, Hungary
| | - Martin Hofmann-Apitius
- Fraunhofer Institute for Algorithms and Scientific Computing (SCAI), Sankt Augustin, 53754, Germany
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32
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Kastana P, Choleva E, Poimenidi E, Karamanos N, Sugahara K, Papadimitriou E. Insight into the role of chondroitin sulfate E in angiogenesis. FEBS J 2019; 286:2921-2936. [DOI: 10.1111/febs.14830] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2018] [Revised: 02/05/2019] [Accepted: 03/29/2019] [Indexed: 12/11/2022]
Affiliation(s)
- Pinelopi Kastana
- Laboratory of Molecular Pharmacology Department of Pharmacy University of Patras Greece
| | - Effrosyni Choleva
- Laboratory of Molecular Pharmacology Department of Pharmacy University of Patras Greece
| | - Evangelia Poimenidi
- Laboratory of Molecular Pharmacology Department of Pharmacy University of Patras Greece
| | - Nikos Karamanos
- Biochemistry, Biochemical Analysis and Matrix Pathobiology Res. Group Laboratory of Biochemistry Department of Chemistry University of Patras Greece
| | - Kazuyuki Sugahara
- Faculty of Pharmacy Department of Pathobiochemistry Meijo University Nagoya Japan
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33
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Corti F, Wang Y, Rhodes JM, Atri D, Archer-Hartmann S, Zhang J, Zhuang ZW, Chen D, Wang T, Wang Z, Azadi P, Simons M. N-terminal syndecan-2 domain selectively enhances 6-O heparan sulfate chains sulfation and promotes VEGFA 165-dependent neovascularization. Nat Commun 2019; 10:1562. [PMID: 30952866 PMCID: PMC6450910 DOI: 10.1038/s41467-019-09605-z] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2018] [Accepted: 03/19/2019] [Indexed: 01/26/2023] Open
Abstract
The proteoglycan Syndecan-2 (Sdc2) has been implicated in regulation of cytoskeleton organization, integrin signaling and developmental angiogenesis in zebrafish. Here we report that mice with global and inducible endothelial-specific deletion of Sdc2 display marked angiogenic and arteriogenic defects and impaired VEGFA165 signaling. No such abnormalities are observed in mice with deletion of the closely related Syndecan-4 (Sdc4) gene. These differences are due to a significantly higher 6-O sulfation level in Sdc2 versus Sdc4 heparan sulfate (HS) chains, leading to an increase in VEGFA165 binding sites and formation of a ternary Sdc2-VEGFA165-VEGFR2 complex which enhances VEGFR2 activation. The increased Sdc2 HS chains 6-O sulfation is driven by a specific N-terminal domain sequence; the insertion of this sequence in Sdc4 N-terminal domain increases 6-O sulfation of its HS chains and promotes Sdc2-VEGFA165-VEGFR2 complex formation. This demonstrates the existence of core protein-determined HS sulfation patterns that regulate specific biological activities.
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Affiliation(s)
- Federico Corti
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, New Haven, CT, 06511, USA
| | - Yingdi Wang
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, New Haven, CT, 06511, USA
| | - John M Rhodes
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, New Haven, CT, 06511, USA
| | - Deepak Atri
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, New Haven, CT, 06511, USA
| | - Stephanie Archer-Hartmann
- Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Road, Athens, GA, 30602, USA
| | - Jiasheng Zhang
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, New Haven, CT, 06511, USA
| | - Zhen W Zhuang
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, New Haven, CT, 06511, USA
| | - Dongying Chen
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, New Haven, CT, 06511, USA
| | - Tianyun Wang
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, New Haven, CT, 06511, USA
| | - Zhirui Wang
- Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Road, Athens, GA, 30602, USA
| | - Parastoo Azadi
- Complex Carbohydrate Research Center, The University of Georgia, 315 Riverbend Road, Athens, GA, 30602, USA
| | - Michael Simons
- Yale Cardiovascular Research Center, Section of Cardiovascular Medicine, Department of Internal Medicine, Yale University School of Medicine, 300 George Street, New Haven, CT, 06511, USA.
- Department of Cell Biology, Yale University School of Medicine, New Haven, CT, 06520, USA.
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Clark RL. Genesis of placental sequestration in malaria and possible targets for drugs for placental malaria. Birth Defects Res 2019; 111:569-583. [PMID: 30919596 PMCID: PMC7432169 DOI: 10.1002/bdr2.1496] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2019] [Revised: 03/05/2019] [Accepted: 03/06/2019] [Indexed: 01/11/2023]
Abstract
Malaria during pregnancy results in intrauterine growth restriction, fetal anemia, and infant mortality. Women are more susceptible to malaria during pregnancy due to malaria‐induced inflammation and the sequestration of infected red blood cells in the placenta, which bind to the chondroitin sulfate portion of syndecan‐1 on the syncytiotrophoblast and in the intervillous space. Syndecan‐1 is a dimeric proteoglycan with an extracellular ectodomain that is cleaved from the transmembrane domain (referred to as “shedding”) by matrix metalloproteinases (MMPs), likely the secreted MMP‐9. The ectodomain includes four binding sites for chondroitin sulfate, which are proximal to the transmembrane domain, and six distal binding sites primarily for heparan sulfate. This “shedding” of syndecan‐1 is inhibited by the presence of the heparan sulfate chains, which can be removed by heparanase. The intervillous space contains fibrin strands and syndecan‐1 ectodomains free of heparan sulfate. The following is proposed as the sequence of events that leads to and is primarily responsible for sequestration in the intervillous space of the placenta. Inflammation associated with malaria triggers increased heparanase activity that degrades the heparan sulfate on the membrane‐bound syndecan‐1. Inflammation also upregulates MMP‐9 and the removal of heparan sulfate gives MMP‐9 access to cleave syndecan‐1, thereby releasing dimeric syndecan‐1 ectodomains with at least four chondroitin sulfate chains attached. These multivalent ectodomains bind infected RBCs together leading to their aggregation and entrapment in intervillous fibrin. This mechanism suggests possible new targets for anti‐placental malaria drugs such as the inhibition of MMP‐9. Doxycycline is an antimalarial drug which inhibits MMP‐9.
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Prydz K, Halstensen TS, Holen HL, Aasheim HC. Ephrin-B3 binds both cell-associated and secreted proteoglycans. Biochem Biophys Res Commun 2018; 503:2212-2217. [PMID: 29953858 DOI: 10.1016/j.bbrc.2018.06.140] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2018] [Accepted: 06/25/2018] [Indexed: 10/28/2022]
Abstract
The ephrin family of membrane proteins binds Eph tyrosine kinase receptors. We have previously shown that ephrin-B3 also binds to heparan sulfate proteoglycans (HSPGs). We now show that ephrin-B3 can bind both secretory and cell associated PGs, such as agrin, collagen XVIII, Perlecan, and CD44, and indicate that such interaction with cell associated PGs involves a complex including 20 and 45 kDa proteins. Ephrin-B3 binding to HEK-293T cells is blocked by a secretory variant of CD44 (v3-v10), while over-expression of membrane associated CD44 increased ephrin-B3 binding. In addition, ephrin-B3 precipitated CD44 expressed by the oral squamous carcinoma cell line H376. Moreover, ephrin-B3 binding affinities to heparin and CD44 in solution was strong. In conclusion, we have identified secretory and cell associated PGs with high ability to bind ephrin-B3 and suggest that ephrin-B3 can bind to a protein complex organized by a membrane associated PG.
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Affiliation(s)
- Kristian Prydz
- Department of Biosciences, University of Oslo, Box 1066, Blindern, NO-0316, Oslo, Norway
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36
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Karamanos NK, Piperigkou Z, Theocharis AD, Watanabe H, Franchi M, Baud S, Brézillon S, Götte M, Passi A, Vigetti D, Ricard-Blum S, Sanderson RD, Neill T, Iozzo RV. Proteoglycan Chemical Diversity Drives Multifunctional Cell Regulation and Therapeutics. Chem Rev 2018; 118:9152-9232. [DOI: 10.1021/acs.chemrev.8b00354] [Citation(s) in RCA: 193] [Impact Index Per Article: 32.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Nikos K. Karamanos
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras 26110, Greece
- Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), Patras 26110, Greece
| | - Zoi Piperigkou
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras 26110, Greece
- Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), Patras 26110, Greece
| | - Achilleas D. Theocharis
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Patras 26110, Greece
| | - Hideto Watanabe
- Institute for Molecular Science of Medicine, Aichi Medical University, Aichi 480-1195, Japan
| | - Marco Franchi
- Department for Life Quality Studies, University of Bologna, Rimini 47100, Italy
| | - Stéphanie Baud
- Université de Reims Champagne-Ardenne, Laboratoire SiRMa, CNRS UMR MEDyC 7369, Faculté de Médecine, 51 rue Cognacq Jay, Reims 51100, France
| | - Stéphane Brézillon
- Université de Reims Champagne-Ardenne, Laboratoire de Biochimie Médicale et Biologie Moléculaire, CNRS UMR MEDyC 7369, Faculté de Médecine, 51 rue Cognacq Jay, Reims 51100, France
| | - Martin Götte
- Department of Gynecology and Obstetrics, Münster University Hospital, Münster 48149, Germany
| | - Alberto Passi
- Department of Medicine and Surgery, University of Insubria, Varese 21100, Italy
| | - Davide Vigetti
- Department of Medicine and Surgery, University of Insubria, Varese 21100, Italy
| | - Sylvie Ricard-Blum
- University Claude Bernard Lyon 1, CNRS, UMR 5246, Institute of Molecular and Supramolecular Chemistry and Biochemistry, Villeurbanne 69622, France
| | - Ralph D. Sanderson
- Department of Pathology, Comprehensive Cancer Center, University of Alabama at Birmingham, Birmingham, Alabama 35294, United States
| | - Thomas Neill
- Department of Pathology, Anatomy and Cell Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania 10107, United States
| | - Renato V. Iozzo
- Department of Pathology, Anatomy and Cell Biology, Sidney Kimmel Medical College, Thomas Jefferson University, Philadelphia, Pennsylvania 10107, United States
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37
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Leblanc R, Sahay D, Houssin A, Machuca-Gayet I, Peyruchaud O. Autotaxin-β interaction with the cell surface via syndecan-4 impacts on cancer cell proliferation and metastasis. Oncotarget 2018; 9:33170-33185. [PMID: 30237860 PMCID: PMC6145688 DOI: 10.18632/oncotarget.26039] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Accepted: 08/10/2018] [Indexed: 01/16/2023] Open
Abstract
Autotaxin (ATX) promotes cancer cell metastasis through the production of lysophosphatidic acid (LPA). ATX binds to αvβ3 integrins controlling metastasis of breast cancer cells. We screened a series of cancer cell lines derived from diverse human and mouse solid tumors for the capacity of binding to ATX and found only a modest correlation with their level of αvβ3 integrin expression. These results strongly suggested the existence of another cell surface ATX-interacting factor. Indeed, ATXα has been shown to bind heparan-sulfate chains because of its unique polybasic insertion sequence, although the biological significance is unknown. We demonstrated here, that among all cell surface heparan-sulfate proteoglycans, syndecan-4 (SDC4) was essential for cancer cell interaction with ATXβ but was restrained by heparan-sulfate chains. In addition, exogenous ATXβ-induced MG63 osteosarcoma cell proliferation required physical interaction of ATXβ with the cell surface via an SDC4-dependent mechanism. In a preclininal mouse model, targeting SDC4 on 4T1 mouse breast cancer cells inhibited early bone metastasis formation. Furthermore, SDC4-prometastatic activity was totally abolished in absence of ATX expression. In conclusion our results determined that ATX and SDC4 are engaged in a reciprocal collaboration for cancer cell metastasis providing the rational for the development of novel anti-metastasis therapies.
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Affiliation(s)
- Raphael Leblanc
- Centre de Recherche en Cancérologie de Marseille, Marseille, France.,Institut Poli-Calmettes, Marseille, France.,INSERM, Unit 1068, Marseille, France.,University Aix-Marseille, Marseille, France
| | - Debashish Sahay
- Department of Medicine, Colombia University Medical Center, New York City, NY, USA
| | - Audrey Houssin
- INSERM, Unit 1033, Lyon, France.,Université Claude Bernard Lyon 1, Lyon, France
| | - Irma Machuca-Gayet
- INSERM, Unit 1033, Lyon, France.,Université Claude Bernard Lyon 1, Lyon, France
| | - Olivier Peyruchaud
- INSERM, Unit 1033, Lyon, France.,Université Claude Bernard Lyon 1, Lyon, France
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38
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Glycans and glycosaminoglycans in neurobiology: key regulators of neuronal cell function and fate. Biochem J 2018; 475:2511-2545. [PMID: 30115748 DOI: 10.1042/bcj20180283] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Revised: 07/14/2018] [Accepted: 07/18/2018] [Indexed: 12/16/2022]
Abstract
The aim of the present study was to examine the roles of l-fucose and the glycosaminoglycans (GAGs) keratan sulfate (KS) and chondroitin sulfate/dermatan sulfate (CS/DS) with selected functional molecules in neural tissues. Cell surface glycans and GAGs have evolved over millions of years to become cellular mediators which regulate fundamental aspects of cellular survival. The glycocalyx, which surrounds all cells, actuates responses to growth factors, cytokines and morphogens at the cellular boundary, silencing or activating downstream signaling pathways and gene expression. In this review, we have focused on interactions mediated by l-fucose, KS and CS/DS in the central and peripheral nervous systems. Fucose makes critical contributions in the area of molecular recognition and information transfer in the blood group substances, cytotoxic immunoglobulins, cell fate-mediated Notch-1 interactions, regulation of selectin-mediated neutrophil extravasation in innate immunity and CD-34-mediated new blood vessel development, and the targeting of neuroprogenitor cells to damaged neural tissue. Fucosylated glycoproteins regulate delivery of synaptic neurotransmitters and neural function. Neural KS proteoglycans (PGs) were examined in terms of cellular regulation and their interactive properties with neuroregulatory molecules. The paradoxical properties of CS/DS isomers decorating matrix and transmembrane PGs and the positive and negative regulatory cues they provide to neurons are also discussed.
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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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Sorrell JM, Somoza RA, Caplan AI. Human mesenchymal stem cells induced to differentiate as chondrocytes follow a biphasic pattern of extracellular matrix production. J Orthop Res 2018; 36:1757-1766. [PMID: 29194731 PMCID: PMC5976510 DOI: 10.1002/jor.23820] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2017] [Accepted: 11/27/2017] [Indexed: 02/04/2023]
Abstract
Regenerative medicine and tissue engineering studies are actively developing novel means to repair adult articular cartilage defects using biological approaches. One such approach is the harnessing of adult human therapeutic cells such as those referred to as mesenchymal stem cells. Upon exposure to chondrogenic signals, these cells differentiate and initiate the production of a complex and voluminous cartilaginous matrix that is crucial to both the structure and function of cartilage. Furthermore, this complexity requires the time-sensitive activation of a large number of genes to produce the components of this matrix. The current study analyzed the kinetics of matrix production in an aggregate culture model where adult human mesenchymal stem cells were induced to differentiate as chondrocytes. The results indicate the existence of a biphasic mode of differentiation and maturation during which matrix genes and molecules are differentially activated and secreted. These results have important implications for developing novel approaches for the creation of tissue engineered articular cartilage. © 2017 Orthopaedic Research Society. Published by Wiley Periodicals, Inc. J Orthop Res 36:1757-1766, 2018.
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Affiliation(s)
- J. Michael Sorrell
- Department of Biology, Skeletal Research Center; Case Western Reserve University; Cleveland Ohio 44106
| | - Rodrigo A. Somoza
- Department of Biology, Skeletal Research Center; Case Western Reserve University; Cleveland Ohio 44106
| | - Arnold I. Caplan
- Department of Biology, Skeletal Research Center; Case Western Reserve University; Cleveland Ohio 44106
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41
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Herman K, Lekka M, Ptak A. Unbinding Kinetics of Syndecans by Single-Molecule Force Spectroscopy. J Phys Chem Lett 2018; 9:1509-1515. [PMID: 29510059 DOI: 10.1021/acs.jpclett.7b03420] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
Syndecans are transmembrane proteoglycans that, together with integrins, control cell interactions with extracellular matrix components. Despite structural similarities between all members of the syndecan family, their specific attachment to extracellular matrix proteins is defined by heparan and chondroitin chains. We postulate various unbinding kinetics for each type of single syndecan complex. Force spectroscopy data, recorded by atomic force microscope, were analyzed using two theoretical approaches describing force-induced unbinding, authored by Bell-Evans and Dudko-Hummer-Szabo. Our results reveal distinct unbinding pathways dependent on the syndecan family member. Syndecan-1 unbinds by passing over two energy barriers, inner and outer. Syndecan-4 unbinds by crossing over only one energy barrier. It has already been reported that both syndecans bear heparan chains that are structurally indistinguishable. Our finding reveals that unbinding of single syndecan complexes is family-member-dependent. Distinct unbinding pathways can be attributed to structural differences of heparan and chondroitin chains.
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Affiliation(s)
- Katarzyna Herman
- Institute of Physics, Faculty of Technical Physics , Poznan University of Technology , Piotrowo 3 , 60-965 Poznań , Poland
| | - Małgorzata Lekka
- Institute of Nuclear Physics Polish Academy of Sciences , PL-31342 Kraków , Poland
| | - Arkadiusz Ptak
- Institute of Physics, Faculty of Technical Physics , Poznan University of Technology , Piotrowo 3 , 60-965 Poznań , Poland
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42
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Biodiversity of CS–proteoglycan sulphation motifs: chemical messenger recognition modules with roles in information transfer, control of cellular behaviour and tissue morphogenesis. Biochem J 2018; 475:587-620. [DOI: 10.1042/bcj20170820] [Citation(s) in RCA: 31] [Impact Index Per Article: 5.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2017] [Revised: 12/20/2017] [Accepted: 01/07/2018] [Indexed: 12/19/2022]
Abstract
Chondroitin sulphate (CS) glycosaminoglycan chains on cell and extracellular matrix proteoglycans (PGs) can no longer be regarded as merely hydrodynamic space fillers. Overwhelming evidence over recent years indicates that sulphation motif sequences within the CS chain structure are a source of significant biological information to cells and their surrounding environment. CS sulphation motifs have been shown to interact with a wide variety of bioactive molecules, e.g. cytokines, growth factors, chemokines, morphogenetic proteins, enzymes and enzyme inhibitors, as well as structural components within the extracellular milieu. They are therefore capable of modulating a panoply of signalling pathways, thus controlling diverse cellular behaviours including proliferation, differentiation, migration and matrix synthesis. Consequently, through these motifs, CS PGs play significant roles in the maintenance of tissue homeostasis, morphogenesis, development, growth and disease. Here, we review (i) the biodiversity of CS PGs and their sulphation motif sequences and (ii) the current understanding of the signalling roles they play in regulating cellular behaviour during tissue development, growth, disease and repair.
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The Role of Endothelial Surface Glycocalyx in Mechanosensing and Transduction. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1097:1-27. [PMID: 30315537 DOI: 10.1007/978-3-319-96445-4_1] [Citation(s) in RCA: 60] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The endothelial cells (ECs) forming the inner wall of every blood vessel are constantly exposed to the mechanical forces generated by blood flow. The EC responses to these hemodynamic forces play a critical role in the homeostasis of the circulatory system. A variety of mechanosensors and transducers, locating on the EC surface, intra- and trans-EC membrane, and within the EC cytoskeleton, have thus been identified to ensure proper functions of ECs. Among them, the most recent candidate is the endothelial surface glycocalyx (ESG), which is a matrix-like thin layer covering the luminal surface of the EC. It consists of various proteoglycans, glycosaminoglycans, and plasma proteins and is close to other prominent EC mechanosensors and transducers. This chapter summarizes the ESG composition, thickness, and structure observed by different labeling and visualization techniques and in different types of vessels. It also presents the literature in determining the ESG mechanical properties by atomic force microscopy and optical tweezers. The molecular mechanisms by which the ESG plays the role in EC mechanosensing and transduction are described as well as the ESG remodeling by shear stress, the actin cytoskeleton, the membrane rafts, the angiogenic factors, and the sphingosine-1-phosphate.
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44
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Farrugia BL, Lord MS, Whitelock JM, Melrose J. Harnessing chondroitin sulphate in composite scaffolds to direct progenitor and stem cell function for tissue repair. Biomater Sci 2018; 6:947-957. [DOI: 10.1039/c7bm01158j] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
This review details the inclusion of chondroitin sulphate in bioscaffolds for superior functional properties in tissue regenerative applications.
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Affiliation(s)
- B. L. Farrugia
- Graduate School of Biomedical Engineering
- UNSW Sydney 2052
- Australia
| | - M. S. Lord
- Graduate School of Biomedical Engineering
- UNSW Sydney 2052
- Australia
| | - J. M. Whitelock
- Graduate School of Biomedical Engineering
- UNSW Sydney 2052
- Australia
| | - J. Melrose
- Graduate School of Biomedical Engineering
- UNSW Sydney 2052
- Australia
- Raymond Purves Bone and Joint Research Laboratory
- Kolling Institute Northern Sydney Local Health District
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45
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Jenkins LM, Horst B, Lancaster CL, Mythreye K. Dually modified transmembrane proteoglycans in development and disease. Cytokine Growth Factor Rev 2017; 39:124-136. [PMID: 29291930 DOI: 10.1016/j.cytogfr.2017.12.003] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2017] [Accepted: 12/20/2017] [Indexed: 12/11/2022]
Abstract
Aberrant cell signaling in response to secreted growth factors has been linked to the development of multiple diseases, including cancer. As such, understanding mechanisms that control growth factor availability and receptor-growth factor interaction is vital. Dually modified transmembrane proteoglycans (DMTPs), which are classified as cell surface macromolecules composed of a core protein decorated with covalently linked heparan sulfated (HS) and/or chondroitin sulfated (CS) glycosaminoglycan (GAG) chains, provide one type of regulatory mechanism. Specifically, DMTPs betaglycan and syndecan-1 (SDC1) play crucial roles in modulating key cell signaling pathways, such as Wnt, transforming growth factor-β and fibroblast growth factor signaling, to affect epithelial cell biology and cancer progression. This review outlines current and potential functions for betaglycan and SDC1, with an emphasis on comparing individual roles for HS and CS modified DMTPs. We highlight the mutual dependence of DMTPs' GAG chains and core proteins and provide comprehensive knowledge on how these DMTPs, through regulation of ligand availability and receptor internalization, control cell signaling pathways involved in development and disease.
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Affiliation(s)
- Laura M Jenkins
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA.
| | - Ben Horst
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA.
| | - Carly L Lancaster
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA.
| | - Karthikeyan Mythreye
- Department of Chemistry and Biochemistry, University of South Carolina, Columbia, SC, 29208, USA; Department of Drug Discovery and Biomedical Sciences, South Carolina College of Pharmacy, University of South Carolina, Columbia, SC, 29208, USA.
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46
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Mii Y, Yamamoto T, Takada R, Mizumoto S, Matsuyama M, Yamada S, Takada S, Taira M. Roles of two types of heparan sulfate clusters in Wnt distribution and signaling in Xenopus. Nat Commun 2017; 8:1973. [PMID: 29215008 PMCID: PMC5719454 DOI: 10.1038/s41467-017-02076-0] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Accepted: 11/03/2017] [Indexed: 12/21/2022] Open
Abstract
Wnt proteins direct embryonic patterning, but the regulatory basis of their distribution and signal reception remain unclear. Here, we show that endogenous Wnt8 protein is distributed in a graded manner in Xenopus embryo and accumulated on the cell surface in a punctate manner in association with “N-sulfo-rich heparan sulfate (HS),” not with “N-acetyl-rich HS”. These two types of HS are differentially clustered by attaching to different glypicans as core proteins. N-sulfo-rich HS is frequently internalized and associated with the signaling vesicle, known as the Frizzled/Wnt/LRP6 signalosome, in the presence of Wnt8. Conversely, N-acetyl-rich HS is rarely internalized and accumulates Frzb, a secreted Wnt antagonist. Upon interaction with Frzb, Wnt8 associates with N-acetyl-rich HS, suggesting that N-acetyl-rich HS supports Frzb-mediated antagonism by sequestering Wnt8 from N-sulfo-rich HS. Thus, these two types of HS clusters may constitute a cellular platform for the distribution and signaling of Wnt8. Wnt proteins mediate embryonic development but how protein localization and patterning is regulated is unclear. Here, the authors show that distinct structures with different heparan sulfate modifications (‘N-sulfo-rich’ and ‘N-acetyl-rich’) regulate cellular localization and signal transduction of Wnt8 in Xenopus.
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Affiliation(s)
- Yusuke Mii
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.,National Institute for Basic Biology and Okazaki Institute for Integrative Bioscience, National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji-cho, Okazaki, Aichi, 444-8787, Japan.,Department of Basic Biology, School of Life Science, The Graduate University for Advanced Studies (SOKENDAI), Okazaki, Aichi, 444-8787, Japan
| | - Takayoshi Yamamoto
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan
| | - Ritsuko Takada
- National Institute for Basic Biology and Okazaki Institute for Integrative Bioscience, National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji-cho, Okazaki, Aichi, 444-8787, Japan
| | - Shuji Mizumoto
- Department of Pathobiochemistry, Faculty of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya, Aichi, 468-8503, Japan
| | - Makoto Matsuyama
- Division of Molecular Genetics, Shigei Medical Research Institute, 2117 Yamada, Minami-ku, Okayama, 701-0202, Japan
| | - Shuhei Yamada
- Department of Pathobiochemistry, Faculty of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku-ku, Nagoya, Aichi, 468-8503, Japan
| | - Shinji Takada
- National Institute for Basic Biology and Okazaki Institute for Integrative Bioscience, National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji-cho, Okazaki, Aichi, 444-8787, Japan. .,Department of Basic Biology, School of Life Science, The Graduate University for Advanced Studies (SOKENDAI), Okazaki, Aichi, 444-8787, Japan.
| | - Masanori Taira
- Department of Biological Sciences, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo, 113-0033, Japan.
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Derler R, Gesslbauer B, Weber C, Strutzmann E, Miller I, Kungl A. Glycosaminoglycan-Mediated Downstream Signaling of CXCL8 Binding to Endothelial Cells. Int J Mol Sci 2017; 18:ijms18122605. [PMID: 29207576 PMCID: PMC5751208 DOI: 10.3390/ijms18122605] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2017] [Revised: 11/24/2017] [Accepted: 11/29/2017] [Indexed: 01/13/2023] Open
Abstract
The recruitment of leukocytes, mediated by endothelium bound chemokine gradients, is a vital process in inflammation. The highly negatively charged, unbranched polysaccharide family of glycosaminoglycans (GAGs), such as heparan sulfate and chondroitin sulfate mediate chemokine immobilization. Specifically the binding of CXCL8 (interleukin 8) to GAGs on endothelial cell surfaces is known to regulate neutrophil recruitment. Currently, it is not clear if binding of CXCL8 to GAGs leads to endothelial downstream signaling in addition to the typical CXCR1/CXCR2 (C-X-C motif chemokine receptor 1 and 2)-mediated signaling which activates neutrophils. Here we have investigated the changes in protein expression of human microvascular endothelial cells induced by CXCL8. Tumor necrosis factor alpha (TNFα) stimulation was used to mimic an inflammatory state which allowed us to identify syndecan-4 (SDC4) as the potential proteoglycan co-receptor of CXCL8 by gene array, real-time PCR and flow cytometry experiments. Enzymatic GAG depolymerization via heparinase III and chondroitinase ABC was used to emulate the effect of glycocalyx remodeling on CXCL8-induced endothelial downstream signaling. Proteomic analyses showed changes in the expression pattern of a number of endothelial proteins such as Zyxin and Caldesmon involved in cytoskeletal organization, cell adhesion and cell mobility. These results demonstrate for the first time a potential role of GAG-mediated endothelial downstream signaling in addition to the well-known CXCL8-CXCR1/CXCR2 signaling pathways in neutrophils.
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Affiliation(s)
- Rupert Derler
- Antagonis Biotherapeutics GmbH, Strasserhofweg 77a, 8045 Graz, Austria.
- Department of Pharmaceutical Chemistry, Institute of Pharmaceutical Sciences, University of Graz, Schubertstrasse 1, 8010 Graz, Austria.
| | - Bernd Gesslbauer
- Department of Pharmaceutical Chemistry, Institute of Pharmaceutical Sciences, University of Graz, Schubertstrasse 1, 8010 Graz, Austria.
| | - Corinna Weber
- Department of Pharmaceutical Chemistry, Institute of Pharmaceutical Sciences, University of Graz, Schubertstrasse 1, 8010 Graz, Austria.
| | - Elisabeth Strutzmann
- Department of Pharmaceutical Chemistry, Institute of Pharmaceutical Sciences, University of Graz, Schubertstrasse 1, 8010 Graz, Austria.
| | - Ingrid Miller
- Institute for Medical Biochemistry, University of Veterinary Medicine, Veterinärplatz 1, 1210 Vienna, Austria.
| | - Andreas Kungl
- Antagonis Biotherapeutics GmbH, Strasserhofweg 77a, 8045 Graz, Austria.
- Department of Pharmaceutical Chemistry, Institute of Pharmaceutical Sciences, University of Graz, Schubertstrasse 1, 8010 Graz, Austria.
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48
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Park H, Kim M, Kim HJ, Lee Y, Seo Y, Pham CD, Lee J, Byun SJ, Kwon MH. Heparan sulfate proteoglycans (HSPGs) and chondroitin sulfate proteoglycans (CSPGs) function as endocytic receptors for an internalizing anti-nucleic acid antibody. Sci Rep 2017; 7:14373. [PMID: 29085061 PMCID: PMC5662561 DOI: 10.1038/s41598-017-14793-z] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2017] [Accepted: 10/16/2017] [Indexed: 02/02/2023] Open
Abstract
A subset of monoclonal anti-DNA autoantibodies enters a variety of living cells. Here, we aimed to identify the endocytic receptors recognized by an internalizing anti-nucleic acid autoantibody, the 3D8 single-chain variable fragment (scFv). We found that cell surface binding and internalization of 3D8 scFv were inhibited markedly in soluble heparan sulfate (HS)/chondroitin sulfate (CS)-deficient or -removed cells and in the presence of soluble HS and CS. 3D8 scFv colocalized intracellularly with either HS proteoglycans (HSPGs) or CSPGs in HeLa cells. 3D8 scFv was co-endocytosed and co-precipitated with representative individual HSPG and CSPG molecules: syndecan-2 (a transmembrane HSPG), glypican-3 (a glycosylphosphatidylinositol (GPI)-anchored HSPG); CD44 (a transmembrane CSPG); and brevican (a GPI-anchored CSPG). Collected data indicate that 3D8 scFv binds to the negatively charged sugar chains of both HSPGs and CSPGs and is then internalized along with these molecules, irrespective of how these proteoglycans are associated with the cell membrane. This is the first study to show that anti-DNA antibodies enter cells via both HSPGs and CSPGs simultaneously. The data may aid understanding of endocytic receptors that bind anti-DNA autoantibodies. The study also provides insight into potential cell membrane targets for macromolecular delivery.
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Affiliation(s)
- Hyunjoon Park
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World cup-ro, Yeongtong-gu, Suwon, 443-749, South Korea
| | - Minjae Kim
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World cup-ro, Yeongtong-gu, Suwon, 443-749, South Korea
| | - Hye-Jin Kim
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World cup-ro, Yeongtong-gu, Suwon, 443-749, South Korea
| | - Yeonjin Lee
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World cup-ro, Yeongtong-gu, Suwon, 443-749, South Korea
| | - Youngsil Seo
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World cup-ro, Yeongtong-gu, Suwon, 443-749, South Korea
| | - Chuong D Pham
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World cup-ro, Yeongtong-gu, Suwon, 443-749, South Korea
| | - Joungmin Lee
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World cup-ro, Yeongtong-gu, Suwon, 443-749, South Korea
| | - Sung June Byun
- Animal Biotechnology Division, National Institute of Animal Science, RDA, 1500, Kongjwipatjwi-ro, Iseo-myeon, Wanju-gun, Jeollabuk-do, 565-851, South Korea
| | - Myung-Hee Kwon
- Department of Biomedical Sciences, Graduate School, Ajou University, 206 World cup-ro, Yeongtong-gu, Suwon, 443-749, South Korea. .,Department of Microbiology, Ajou University School of Medicine, 206 World cup-ro, Yeongtong-gu, Suwon, 443-749, South Korea.
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Domschke G, Gleissner CA. CXCL4-induced macrophages in human atherosclerosis. Cytokine 2017; 122:154141. [PMID: 28899579 DOI: 10.1016/j.cyto.2017.08.021] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2017] [Revised: 08/10/2017] [Accepted: 08/28/2017] [Indexed: 01/11/2023]
Abstract
Atherosclerosis is considered an inflammatory disease of the arterial wall. Monocytes and monocyte-derived cells (most often termed macrophages) play an essential role in the formation of atherosclerotic lesions, as they take up lipids leading to subsequent foam cell formation accompanied by release of pro-inflammatory cytokines. Similarly, platelets have been discovered to represent an important cell type mediating inflammatory and immune processes in atherogenesis, mainly by secreting chemokines, which are stored in the platelets' alpha granules, upon platelet activation. Therefore, the interaction between monocyte-derived cells and platelets is of exceptional importance. In this review, we specifically focus on the chemokine (platelet factor-4, PF4) and its effects on monocytes and monocyte-derived cells. By formation of heterodimers dimers and -oligomers with CCL5, CXCL4 induces binding of monocytes cells to endothelial cell and thereby promotes diapedesis of monocytes into the subendothelial space. CXCL4 also affects the differentiation of monocytes as it induces a specific macrophage phenotype, which we suggested to term "M4". For example, CXCL4-induced macrophages irreversibly lose the hemoglobin-haptoglobin scavenger receptor CD163. The combination of CD68, S100A8, and MMP7 turned out to reliably identify M4 macrophages both in vitro and in vivo within atherosclerotic lesions. In human atherosclerotic plaques, M4 macrophages are predominantly present in the adventitia and the intima and their prevalence is associated with plaque instability suggesting that they are a marker of pro-inflammatory activity. Overall, CXCL4-induced M4 macrophages may represent a target for diagnostic and therapeutic interventions in human atherosclerotic disease.
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Affiliation(s)
- Gabriele Domschke
- Dept. of Cardiology, Angiology and Pneumonology, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany
| | - Christian A Gleissner
- Dept. of Cardiology, Angiology and Pneumonology, Heidelberg University Hospital, Im Neuenheimer Feld 410, 69120 Heidelberg, Germany.
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50
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Sevim S, Ozer S, Jones G, Wurzel J, Feng L, Fakhraee A, Shamsudhin N, Ergeneman O, Pellicer E, Sort J, Pané S, Nelson BJ, Torun H, Lühmann T. Nanomechanics on FGF-2 and Heparin Reveal Slip Bond Characteristics with pH Dependency. ACS Biomater Sci Eng 2017; 3:1000-1007. [DOI: 10.1021/acsbiomaterials.6b00723] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023]
Affiliation(s)
- Semih Sevim
- Department
of Electrical and Electronics Engineering, Bogazici University, Bebek 34342 Istanbul, Turkey
| | - Sevil Ozer
- Department
of Electrical and Electronics Engineering, Bogazici University, Bebek 34342 Istanbul, Turkey
| | - Gabriel Jones
- Institute
of Pharmacy and Food Chemistry, University of Würzburg, Am
Hubland, 97074 Würzburg, Germany
| | - Joel Wurzel
- Institute
of Pharmacy and Food Chemistry, University of Würzburg, Am
Hubland, 97074 Würzburg, Germany
| | - Luying Feng
- Department
of Electrical and Electronics Engineering, Bogazici University, Bebek 34342 Istanbul, Turkey
| | - Arielle Fakhraee
- Aeon Scientific AG, Schlieren, Rütistrasse 12, 8952 Zurich, Switzerland
| | - Naveen Shamsudhin
- Multi
Scale Robotics Lab, Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, 8092 Zurich, Switzerland
| | - Olgaç Ergeneman
- Multi
Scale Robotics Lab, Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, 8092 Zurich, Switzerland
| | - Eva Pellicer
- Departament
de Física, Facultat de Ciències, Universitat Autònoma de Barcelona, Torre C5 par-2, 08193 Bellaterra, Spain
| | - Jordi Sort
- Departament
de Física, Facultat de Ciències, Universitat Autònoma de Barcelona, Torre C5 par-2, 08193 Bellaterra, Spain
- Institució Catalana de Recerca i Estudis Avançats (ICREA), Ps. Lluís Companys 23, 08010 Barcelona, Spain
| | - Salvador Pané
- Multi
Scale Robotics Lab, Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, 8092 Zurich, Switzerland
| | - Bradley J. Nelson
- Multi
Scale Robotics Lab, Institute of Robotics and Intelligent Systems, ETH Zurich, Tannenstrasse 3, 8092 Zurich, Switzerland
| | - Hamdi Torun
- Department
of Electrical and Electronics Engineering, Bogazici University, Bebek 34342 Istanbul, Turkey
| | - Tessa Lühmann
- Institute
of Pharmacy and Food Chemistry, University of Würzburg, Am
Hubland, 97074 Würzburg, Germany
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