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Skapinker E, Aldbai R, Aucoin E, Clarke E, Clark M, Ghokasian D, Kombargi H, Abraham MJ, Li Y, Bunsick DA, Baghaie L, Szewczuk MR. Artificial and Natural Sweeteners Biased T1R2/T1R3 Taste Receptors Transactivate Glycosylated Receptors on Cancer Cells to Induce Epithelial-Mesenchymal Transition of Metastatic Phenotype. Nutrients 2024; 16:1840. [PMID: 38931195 PMCID: PMC11206856 DOI: 10.3390/nu16121840] [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: 04/22/2024] [Revised: 06/03/2024] [Accepted: 06/07/2024] [Indexed: 06/28/2024] Open
Abstract
Understanding the role of biased taste T1R2/T1R3 G protein-coupled receptors (GPCR) agonists on glycosylated receptor signaling may provide insights into the opposing effects mediated by artificial and natural sweeteners, particularly in cancer and metastasis. Sweetener-taste GPCRs can be activated by several active states involving either biased agonism, functional selectivity, or ligand-directed signaling. However, there are increasing arrays of sweetener ligands with different degrees of allosteric biased modulation that can vary dramatically in binding- and signaling-specific manners. Here, emerging evidence proposes the involvement of taste GPCRs in a biased GPCR signaling crosstalk involving matrix metalloproteinase-9 (MMP-9) and neuraminidase-1 (Neu-1) activating glycosylated receptors by modifying sialic acids. The findings revealed that most natural and artificial sweeteners significantly activate Neu-1 sialidase in a dose-dependent fashion in RAW-Blue and PANC-1 cells. To confirm this biased GPCR signaling crosstalk, BIM-23127 (neuromedin B receptor inhibitor, MMP-9i (specific MMP-9 inhibitor), and oseltamivir phosphate (specific Neu-1 inhibitor) significantly block sweetener agonist-induced Neu-1 sialidase activity. To assess the effect of artificial and natural sweeteners on the key survival pathways critical for pancreatic cancer progression, we analyzed the expression of epithelial-mesenchymal markers, CD24, ADLH-1, E-cadherin, and N-cadherin in PANC-1 cells, and assess the cellular migration invasiveness in a scratch wound closure assay, and the tunneling nanotubes (TNTs) in staging the migratory intercellular communication. The artificial and natural sweeteners induced metastatic phenotype of PANC-1 pancreatic cancer cells to promote migratory intercellular communication and invasion. The sweeteners also induced the downstream NFκB activation using the secretory alkaline phosphatase (SEAP) assay. These findings elucidate a novel taste T1R2/T1R3 GPCR functional selectivity of a signaling platform in which sweeteners activate downstream signaling, contributing to tumorigenesis and metastasis via a proposed NFκB-induced epigenetic reprogramming modeling.
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Affiliation(s)
- Elizabeth Skapinker
- Faculty of Health Sciences, Queen’s University, Kingston, ON K7L 3N9, Canada; (E.S.); (R.A.); (E.C.); (D.G.); (H.K.); (M.J.A.)
| | - Rashelle Aldbai
- Faculty of Health Sciences, Queen’s University, Kingston, ON K7L 3N9, Canada; (E.S.); (R.A.); (E.C.); (D.G.); (H.K.); (M.J.A.)
- Department of Biomedical & Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada; (D.A.B.); (L.B.)
| | - Emilyn Aucoin
- Faculty of Science, Biology (Biomedical Science), York University, Toronto, ON M3J 1P3, Canada;
| | - Elizabeth Clarke
- Faculty of Health Sciences, Queen’s University, Kingston, ON K7L 3N9, Canada; (E.S.); (R.A.); (E.C.); (D.G.); (H.K.); (M.J.A.)
| | - Mira Clark
- Faculty of Arts and Science, Queen’s University, Kingston, ON K7L 3N9, Canada; (M.C.); (Y.L.)
| | - Daniella Ghokasian
- Faculty of Health Sciences, Queen’s University, Kingston, ON K7L 3N9, Canada; (E.S.); (R.A.); (E.C.); (D.G.); (H.K.); (M.J.A.)
| | - Haley Kombargi
- Faculty of Health Sciences, Queen’s University, Kingston, ON K7L 3N9, Canada; (E.S.); (R.A.); (E.C.); (D.G.); (H.K.); (M.J.A.)
| | - Merlin J. Abraham
- Faculty of Health Sciences, Queen’s University, Kingston, ON K7L 3N9, Canada; (E.S.); (R.A.); (E.C.); (D.G.); (H.K.); (M.J.A.)
| | - Yunfan Li
- Faculty of Arts and Science, Queen’s University, Kingston, ON K7L 3N9, Canada; (M.C.); (Y.L.)
| | - David A. Bunsick
- Department of Biomedical & Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada; (D.A.B.); (L.B.)
| | - Leili Baghaie
- Department of Biomedical & Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada; (D.A.B.); (L.B.)
| | - Myron R. Szewczuk
- Department of Biomedical & Molecular Sciences, Queen’s University, Kingston, ON K7L 3N6, Canada; (D.A.B.); (L.B.)
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2
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Toussaint K, Appert-Collin A, Vanalderwiert L, Bour C, Terryn C, Spenlé C, Van Der Heyden M, Roumieux M, Maurice P, Romier-Crouzet B, Sartelet H, Duca L, Blaise S, Bennasroune A. Inhibition of neuraminidase-1 sialidase activity by interfering peptides impairs insulin receptor activity in vitro and glucose homeostasis in vivo. J Biol Chem 2024; 300:107316. [PMID: 38663826 PMCID: PMC11167521 DOI: 10.1016/j.jbc.2024.107316] [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: 09/01/2023] [Revised: 03/18/2024] [Accepted: 04/09/2024] [Indexed: 06/02/2024] Open
Abstract
Neuraminidases (NEUs) also called sialidases are glycosidases which catalyze the removal of terminal sialic acid residues from glycoproteins, glycolipids, and oligosaccharides. Mammalian NEU-1 participates in regulation of cell surface receptors such as insulin receptor (IR), epithelial growth factor receptor, low-density lipoprotein receptor, and toll-like receptor 4. At the plasma membrane, NEU-1 can be associated with the elastin-binding protein and the carboxypeptidase protective protein/cathepsin A to constitute the elastin receptor complex. In this complex, NEU-1 is essential for elastogenesis, signal transduction through this receptor and for biological effects of the elastin-derived peptides on atherosclerosis, thrombosis, insulin resistance, nonalcoholic steatohepatitis, and cancers. This is why research teams are developing inhibitors targeting this sialidase. Previously, we developed interfering peptides to inhibit the dimerization and the activation of NEU-1. In this study, we investigated the effects of these peptides on IR activation in vitro and in vivo. Using cellular overexpression and endogenous expression models of NEU-1 and IR (COS-7 and HepG2 cells, respectively), we have shown that interfering peptides inhibit NEU-1 dimerization and sialidase activity which results in a reduction of IR phosphorylation. These results demonstrated that NEU-1 positively regulates IR phosphorylation and activation in our conditions. In vivo, biodistribution study showed that interfering peptides are well distributed in mice. Treatment of C57Bl/6 mice during 8 weeks with interfering peptides induces a hyperglycemic effect in our experimental conditions. Altogether, we report here that inhibition of NEU-1 sialidase activity by interfering peptides decreases IR activity in vitro and glucose homeostasis in vivo.
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Affiliation(s)
- Kevin Toussaint
- Université de Reims Champagne-Ardenne, CNRS, MEDyC, Reims, France
| | | | | | - Camille Bour
- Université de Reims Champagne-Ardenne, CNRS, MEDyC, Reims, France
| | | | - Caroline Spenlé
- UMR7242 Biotechnology and Cell Signalling, Centre National de la Recherche Scientifique, Strasbourg Drug Discovery and Development Institute (IMS), University of Strasbourg, Illkirch-Graffenstaden, France
| | | | | | - Pascal Maurice
- Université de Reims Champagne-Ardenne, CNRS, MEDyC, Reims, France
| | | | - Hervé Sartelet
- Université de Reims Champagne-Ardenne, CNRS, MEDyC, Reims, France
| | - Laurent Duca
- Université de Reims Champagne-Ardenne, CNRS, MEDyC, Reims, France
| | - Sébastien Blaise
- Université de Reims Champagne-Ardenne, CNRS, MEDyC, Reims, France.
| | - Amar Bennasroune
- Université de Reims Champagne-Ardenne, CNRS, MEDyC, Reims, France.
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3
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Zhu Y, Bai Y, Yan W, Li M, Wu F, Xu M, Wu N, Ge H, Liu Y. A mutation in CCDC91, Homo sapiens coiled-coil domain containing 91 protein, cause autosomal-dominant acrokeratoelastoidosis. Eur J Hum Genet 2024; 32:647-655. [PMID: 38627542 PMCID: PMC11153616 DOI: 10.1038/s41431-024-01573-3] [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: 11/14/2023] [Revised: 01/26/2024] [Accepted: 02/20/2024] [Indexed: 06/07/2024] Open
Abstract
Acrokeratoelastoidosis (AKE) is a rare autosomal dominant hereditary skin disease characterized by small, round-oval, flat-topped keratotic papules on the palms, soles and dorsal aspect of hands or feet. The causative gene for AKE remains unidentified. This study aims to identify the causative gene of AKE and explore the underlying biological mechanisms. A large, three-generation Chinese family exhibiting classic AKE symptoms was identified. A genome-wide linkage analysis and whole-exome sequencing were employed to determine the causative gene. shRNA knockdown in human skin fibroblasts and CRISPR/Cas9 knockout in HEK293T cells were utilized to assess gene functions in the progression of elastic fiber biosynthesis. The linkage analysis identified a susceptibility region between rs7296765 to rs10784618 on chromosome 12. Whole-exome sequencing confirmed a splicing mutation of 1101 + 1 G > A in the CCDC91 gene, resulting in exon 11 skipping and a subsequent 59-amino-acid-residue loss (residues L309-Q367del). Further functional analysis revealed distended Golgi cisternae, cytoplasmic vesicle accumulation, and lysosome presence. Immnunostaining of si-CCDC91-HSF cells demonstrated tropoelastin accumulation in the Golgi and abnormal extracellular aggregates. There are no significant changes in Fibrillin-1 microfibril assembly and lysyl oxidase activity. The findings strongly suggest that the protein product of the CCDC91 gene plays a crucial role in elastin transport. This discovery enhances our understanding of CCDC91's function and broadens the known pathogenic mechanisms of AKE.
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Affiliation(s)
- Yunlu Zhu
- Shanghai Skin Disease Hospital, School of Medicine, Tongji Medical University, Shanghai, China
- Department of Dermatology, Anhui Provincial Children's Hospital, Hefei City, Anhui Province, China
| | - Yun Bai
- Shanghai Skin Disease Hospital, School of Medicine, Tongji Medical University, Shanghai, China
| | - Wannian Yan
- Shanghai Skin Disease Hospital, School of Medicine, Tongji Medical University, Shanghai, China
| | - Ming Li
- Department of Dermatology, Children's Hospital of Fudan University, Shanghai, 200032, China
| | - Fei Wu
- Shanghai Skin Disease Hospital, School of Medicine, Tongji Medical University, Shanghai, China
| | - Mingyuan Xu
- Shanghai Skin Disease Hospital, School of Medicine, Tongji Medical University, Shanghai, China
| | - Nanhui Wu
- Shanghai Skin Disease Hospital, School of Medicine, Tongji Medical University, Shanghai, China
| | - HongSong Ge
- Department of Dermatology, Anhui Provincial Children's Hospital, Hefei City, Anhui Province, China.
| | - Yeqiang Liu
- Shanghai Skin Disease Hospital, School of Medicine, Tongji Medical University, Shanghai, China.
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4
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An O, Deppermann C. Platelet lifespan and mechanisms for clearance. Curr Opin Hematol 2024; 31:6-15. [PMID: 37905750 DOI: 10.1097/moh.0000000000000792] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2023]
Abstract
PURPOSE OF REVIEW Activated or aged platelets are removed from circulation under (patho)physiologic conditions, the exact mechanism of platelet clearance under such conditions remains unclear and are currently being investigated. This review focuses on recent findings and controversies regarding platelet clearance and the disruption of platelet life cycle. RECENT FINDINGS The platelet life span is determined by glycosylation of platelet surface receptors with sialic acid. Recently, it was shown that platelet activation and granule release leads to desialylation of glycans and accelerated clearance of platelets under pathological conditions. This phenomenon was demonstrated to be a main reason for thrombocytopenia being a complication in several infections and immune disorders. SUMMARY Although we have recently gained some insight into how aged platelets are cleared from circulation, we are still not seeing the full picture. Further investigations of the platelet clearance pathways under pathophysiologic conditions are needed as well as studies to unravel the connection between platelet clearance and platelet production.
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Affiliation(s)
- Olga An
- Center for Thrombosis and Hemostasis, University Medical Center of the Johannes Gutenberg-University, Mainz, Germany
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5
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Itoh K, Tsukimoto J. Lysosomal sialidase NEU1, its intracellular properties, deficiency, and use as a therapeutic agent. Glycoconj J 2023; 40:611-619. [PMID: 38147151 DOI: 10.1007/s10719-023-10135-6] [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: 01/16/2023] [Revised: 10/14/2023] [Accepted: 10/18/2023] [Indexed: 12/27/2023]
Abstract
Neuraminidase 1 (NEU1) is a lysosomal sialidase that cleaves terminal α-linked sialic acid residues from sialylglycans. NEU1 is biosynthesized in the rough endoplasmic reticulum (RER) lumen as an N-glycosylated protein to associate with its protective protein/cathepsin A (CTSA) and then form a lysosomal multienzyme complex (LMC) also containing β-galactosidase 1 (GLB1). Unlike other mammalian sialidases, including NEU2 to NEU4, NEU1 transport to lysosomes requires association of NEU1 with CTSA, binding of the CTSA carrying terminal mannose 6-phosphate (M6P)-type N-glycan with M6P receptor (M6PR), and intralysosomal NEU1 activation at acidic pH. In contrast, overexpression of the single NEU1 gene in mammalian cells causes intracellular NEU1 protein crystallization in the RER due to self-aggregation when intracellular CTSA is reduced to a relatively low level. Sialidosis (SiD) and galactosialidosis (GS) are autosomal recessive lysosomal storage diseases caused by the gene mutations of NEU1 and CTSA, respectively. These incurable diseases associate with the NEU1 deficiency, excessive accumulation of sialylglycans in neurovisceral organs, and systemic manifestations. We established a novel GS model mouse carrying homozygotic Ctsa IVS6 + 1 g/a mutation causing partial exon 6 skipping with simultaneous deficiency of Ctsa and Neu1. Symptoms developed in the GS mice like those in juvenile/adult GS patients, such as myoclonic seizures, suppressed behavior, gargoyle-like face, edema, proctoptosis due to Neu1 deficiency, and sialylglycan accumulation associated with neurovisceral inflammation. We developed a modified NEU1 (modNEU1), which does not form protein crystals but is transported to lysosomes by co-expressed CTSA. In vivo gene therapy for GS and SiD utilizing a single adeno-associated virus (AAV) carrying modNEU1 and CTSA genes under dual promoter control will be created.
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Affiliation(s)
- Kohji Itoh
- Department of Medicinal Biotechnology, Institute for Medicinal Biotechnology, Graduate School of Pharmaceutical Sciences, Tokushima University, Tokushima, Japan.
| | - Jun Tsukimoto
- Department of Medicinal Biotechnology, Institute for Medicinal Biotechnology, Graduate School of Pharmaceutical Sciences, Tokushima University, Tokushima, Japan
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6
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Gorelik A, Illes K, Mazhab-Jafari MT, Nagar B. Structure of the immunoregulatory sialidase NEU1. SCIENCE ADVANCES 2023; 9:eadf8169. [PMID: 37205763 DOI: 10.1126/sciadv.adf8169] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 04/14/2023] [Indexed: 05/21/2023]
Abstract
Sialic acids linked to glycoproteins and glycolipids are important mediators of cell and protein recognition events. These sugar residues are removed by neuraminidases (sialidases). Neuraminidase-1 (sialidase-1 or NEU1) is a ubiquitously expressed mammalian sialidase located in lysosomes and on the cell membrane. Because of its modulation of multiple signaling processes, it is a potential therapeutic target for cancers and immune disorders. Genetic defects in NEU1 or in its protective protein cathepsin A (PPCA, CTSA) cause the lysosomal storage diseases sialidosis and galactosialidosis. To further our understanding of this enzyme's function at the molecular level, we determined the three-dimensional structure of murine NEU1. The enzyme oligomerizes through two self-association interfaces and displays a wide substrate-binding cavity. A catalytic loop adopts an inactive conformation. We propose a mechanism of activation involving a conformational change in this loop upon binding to its protective protein. These findings may facilitate the development of selective inhibitor and agonist therapies.
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Affiliation(s)
- Alexei Gorelik
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada
| | - Katalin Illes
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada
| | - Mohammad T Mazhab-Jafari
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
- Princess Margaret Cancer Center, University Health Network, Toronto, Ontario, Canada
| | - Bhushan Nagar
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada
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7
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Adhikari B, Osmond MJ, Pantcheva MB, Krebs MD. Glycosaminoglycans Influence Extracellular Matrix of Human Trabecular Meshwork Cells Cultured on 3D Scaffolds. ACS Biomater Sci Eng 2022; 8:5221-5232. [PMID: 36384278 DOI: 10.1021/acsbiomaterials.2c00457] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Glaucoma is a multifactorial progressive optic neuropathy characterized by the loss of retinal ganglion cells leading to irreversible blindness. It is the leading cause of global irreversible blindness and is currently affecting over 70 million people. Elevated intraocular pressure (IOP) is considered the only modifiable risk factor and is a target of numerous treatment modalities. Researchers have assigned this elevation of IOP to accumulation of extracellular matrix (ECM) components in the aqueous humor (AH) outflow pathway. The major drainage structure for AH outflow is the trabecular meshwork (TM). The ECM of the TM is important in regulating IOP in both normal and glaucomatous eyes. In this work, we have studied the role of exogeneous glycosaminoglycans (GAGs), glucocorticoids, and culture conditions on the expression of the ECM gene and proteins by human TM (hTM) cells cultured on biomaterial scaffolds. Gene and protein expression levels of elastin, laminin, and matrix metalloproteinase-2 (MMP-2) were evaluated using quantitative PCR and immunohistochemistry. Pressure gradient changes in cell-laden scaffolds in perfusion cultures were also monitored. Our findings show that GAGs and dexamethasone play an influencing role in hTM ECM turnover at both transcriptional and translational levels by altering expression levels of elastin, laminin, and MMP-2. Understanding the role of exogeneous factors on hTM cell behavior is helpful in gaining insights on glaucoma pathogenesis and ultimately pivotal in development of novel therapeutics against the disease.
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Affiliation(s)
- Bikram Adhikari
- Quantitative Biosciences and Bioengineering, Colorado School of Mines, 1500 Illinois St., Golden, Colorado 80401, United States
| | - Matthew J Osmond
- Chemical and Biological Engineering, Colorado School of Mines, 1500 Illinois St., Golden, Colorado 80401, United States
| | - Mina B Pantcheva
- Ophthalmology, University of Colorado School of Medicine, 1675 Aurora Ct., Aurora, Colorado 80045, United States
| | - Melissa D Krebs
- Quantitative Biosciences and Bioengineering, Colorado School of Mines, 1500 Illinois St., Golden, Colorado 80401, United States.,Chemical and Biological Engineering, Colorado School of Mines, 1500 Illinois St., Golden, Colorado 80401, United States
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8
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Gaudioso Á, Silva TP, Ledesma MD. Models to study basic and applied aspects of lysosomal storage disorders. Adv Drug Deliv Rev 2022; 190:114532. [PMID: 36122863 DOI: 10.1016/j.addr.2022.114532] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 08/05/2022] [Accepted: 09/04/2022] [Indexed: 01/24/2023]
Abstract
The lack of available treatments and fatal outcome in most lysosomal storage disorders (LSDs) have spurred research on pathological mechanisms and novel therapies in recent years. In this effort, experimental methodology in cellular and animal models have been developed, with aims to address major challenges in many LSDs such as patient-to-patient variability and brain condition. These techniques and models have advanced knowledge not only of LSDs but also for other lysosomal disorders and have provided fundamental insights into the biological roles of lysosomes. They can also serve to assess the efficacy of classical therapies and modern drug delivery systems. Here, we summarize the techniques and models used in LSD research, which include both established and recently developed in vitro methods, with general utility or specifically addressing lysosomal features. We also review animal models of LSDs together with cutting-edge technology that may reduce the need for animals in the study of these devastating diseases.
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Affiliation(s)
- Ángel Gaudioso
- Centro Biología Molecular Severo Ochoa (CSIC-UAM), Madrid, Spain
| | - Teresa P Silva
- Instituto de Medicina Molecular João Lobo Antunes, Faculdade de Medicina, Universidade de Lisboa, Portugal
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9
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Keil J, Rafn GR, Turan IM, Aljohani MA, Sahebjam-Atabaki R, Sun XL. Sialidase Inhibitors with Different Mechanisms. J Med Chem 2022; 65:13574-13593. [PMID: 36252951 PMCID: PMC9620260 DOI: 10.1021/acs.jmedchem.2c01258] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Indexed: 11/28/2022]
Abstract
Sialidases, or neuraminidases, are enzymes that catalyze the hydrolysis of sialic acid (Sia)-containing molecules, mostly removal of the terminal Sia (desialylation). By desialylation, sialidase can modulate the functionality of the target compound and is thus often involved in biological pathways. Inhibition of sialidases with inhibitors is an important approach for understanding sialidase function and the underlying mechanisms and could serve as a therapeutic approach as well. Transition-state analogues, such as anti-influenza drugs oseltamivir and zanamivir, are major sialidase inhibitors. In addition, difluoro-sialic acids were developed as mechanism-based sialidase inhibitors. Further, fluorinated quinone methide-based suicide substrates were reported. Sialidase product analogue inhibitors were also explored. Finally, natural products have shown competitive inhibiton against viral, bacterial, and human sialidases. This Perspective describes sialidase inhibitors with different mechanisms and their activities and future potential, which include transition-state analogue inhibitors, mechanism-based inhibitors, suicide substrate inhibitors, product analogue inhibitors, and natural product inhibitors.
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Affiliation(s)
- Joseph
M. Keil
- Department of Chemistry, Chemical and
Biomedical Engineering and Center for Gene Regulation in Health and
Disease (GRHD), Cleveland State University, Cleveland, Ohio 44115, United States
| | - Garrett R. Rafn
- Department of Chemistry, Chemical and
Biomedical Engineering and Center for Gene Regulation in Health and
Disease (GRHD), Cleveland State University, Cleveland, Ohio 44115, United States
| | - Isaac M. Turan
- Department of Chemistry, Chemical and
Biomedical Engineering and Center for Gene Regulation in Health and
Disease (GRHD), Cleveland State University, Cleveland, Ohio 44115, United States
| | - Majdi A. Aljohani
- Department of Chemistry, Chemical and
Biomedical Engineering and Center for Gene Regulation in Health and
Disease (GRHD), Cleveland State University, Cleveland, Ohio 44115, United States
| | - Reza Sahebjam-Atabaki
- Department of Chemistry, Chemical and
Biomedical Engineering and Center for Gene Regulation in Health and
Disease (GRHD), Cleveland State University, Cleveland, Ohio 44115, United States
| | - Xue-Long Sun
- Department of Chemistry, Chemical and
Biomedical Engineering and Center for Gene Regulation in Health and
Disease (GRHD), Cleveland State University, Cleveland, Ohio 44115, United States
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10
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Repositioning of Old Drugs for Novel Cancer Therapies: Continuous Therapeutic Perfusion of Aspirin and Oseltamivir Phosphate with Gemcitabine Treatment Disables Tumor Progression, Chemoresistance, and Metastases. Cancers (Basel) 2022; 14:cancers14153595. [PMID: 35892853 PMCID: PMC9331689 DOI: 10.3390/cancers14153595] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2022] [Revised: 07/18/2022] [Accepted: 07/21/2022] [Indexed: 11/16/2022] Open
Abstract
Simple Summary Repositioning old drugs in combination with clinical standard chemotherapeutics opens a promising clinical treatment approach for patients with pancreatic cancer. This report presents a therapeutic repositioning of continuous perfusion of aspirin and oseltamivir phosphate in combination with gemcitabine treatment as an effective treatment option for pancreatic cancer. The data suggest that repositioning these drugs with continuous perfusion with gemcitabine disables chemoresistance, tumor progression, EMT program, cancer stem cells, and metastases in a preclinical mouse model of human pancreatic cancer. These promising results warrant additional investigation to assess the potential of translating into the clinical setting to improve the cancer patient prognosis for an otherwise fatal disease. Abstract Metastatic pancreatic cancer has an invariably fatal outcome, with an estimated median progression-free survival of approximately six months employing our best combination chemotherapeutic regimens. Once drug resistance develops, manifested by increased primary tumor size and new and growing metastases, patients often die rapidly from their disease. Emerging evidence indicates that chemotherapy may contribute to the development of drug resistance through the upregulation of epithelial–mesenchymal transition (EMT) pathways and subsequent cancer stem cell (CSC) enrichment. Neuraminidase-1 (Neu-1) regulates the activation of several receptor tyrosine kinases implicated in EMT induction, angiogenesis, and cellular proliferation. Here, continuous therapeutic targeting of Neu-1 using parenteral perfusion of oseltamivir phosphate (OP) and aspirin (ASA) with gemcitabine (GEM) treatment significantly disrupts tumor progression, critical compensatory signaling mechanisms, EMT program, CSC, and metastases in a preclinical mouse model of human pancreatic cancer. ASA- and OP-treated xenotumors significantly inhibited the metastatic potential when transferred into animals.
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11
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Ledford BT, Akerman AW, Sun K, Gillis DC, Weiss JM, Vang J, Willcox S, Clemons TD, Sai H, Qiu R, Karver MR, Griffith JD, Tsihlis ND, Stupp SI, Ikonomidis JS, Kibbe MR. Peptide Amphiphile Supramolecular Nanofibers Designed to Target Abdominal Aortic Aneurysms. ACS NANO 2022; 16:7309-7322. [PMID: 35504018 PMCID: PMC9733406 DOI: 10.1021/acsnano.1c06258] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
An abdominal aortic aneurysm (AAA) is a localized dilation of the aorta located in the abdomen that poses a severe risk of death when ruptured. The cause of AAA is not fully understood, but degradation of medial elastin due to elastolytic matrix metalloproteinases is a key step leading to aortic dilation. Current therapeutic interventions are limited to surgical repair to prevent catastrophic rupture. Here, we report the development of injectable supramolecular nanofibers using peptide amphiphile molecules designed to localize to AAA by targeting fragmented elastin, matrix metalloproteinase 2 (MMP-2), and membrane type 1 matrix metalloproteinase. We designed four targeting peptide sequences from X-ray crystallographic data and incorporated them into PA molecules via solid phase peptide synthesis. After coassembling targeted and diluent PAs at different molar ratios, we assessed their ability to form nanofibers using transmission electron microscopy and to localize to AAA in male and female Sprague-Dawley rats using light sheet fluorescence microscopy. We found that three formulations of the PA nanofibers were able to localize to AAA tissue, but the MMP-2 targeting PA substantially outperformed the other nanofibers. Additionally, we demonstrated that the MMP-2 targeting PA nanofibers had an optimal dose of 5 mg (∼12 mg/kg). Our results show that there was not a significant difference in targeting between male and female Sprague-Dawley rats. Given the ability of the MMP-2 targeting PA nanofiber to localize to AAA tissue, future studies will investigate potential diagnostic and targeted drug delivery applications for AAA.
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Affiliation(s)
- Benjamin T. Ledford
- Department of Surgery, University of Virginia, Charlottesville, VA 22903, USA
- Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Adam W. Akerman
- Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Kui Sun
- Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - David C. Gillis
- Department of Surgery, University of Virginia, Charlottesville, VA 22903, USA
- Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Jenna M. Weiss
- Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Johnny Vang
- Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Smaranda Willcox
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Tristan D. Clemons
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL 60611, USA
- Department of Chemistry, Northwestern University, Evanston, IL 60208, USA
| | - Hiroaki Sai
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL 60611, USA
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
| | - Ruomeng Qiu
- Department of Chemistry, Northwestern University, Evanston, IL 60208, USA
| | - Mark R. Karver
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL 60611, USA
| | - Jack D. Griffith
- Lineberger Comprehensive Cancer Center, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Department of Microbiology and Immunology, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Nick D. Tsihlis
- Department of Surgery, University of Virginia, Charlottesville, VA 22903, USA
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA 22904, USA
- Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Samuel I. Stupp
- Simpson Querrey Institute for BioNanotechnology, Northwestern University, Chicago, IL 60611, USA
- Department of Chemistry, Northwestern University, Evanston, IL 60208, USA
- Department of Materials Science and Engineering, Northwestern University, Evanston, IL 60208, USA
- Department of Medicine, Northwestern University, Chicago, IL 60611, USA
- Department of Biomedical Engineering, Northwestern University, Evanston, IL 60208, USA
| | - John S. Ikonomidis
- Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
| | - Melina R. Kibbe
- Department of Surgery, University of Virginia, Charlottesville, VA 22903, USA
- Department of Biomedical Engineering, University of Virginia, Charlottesville, VA 22904, USA
- Department of Surgery, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
- Department of Biomedical Engineering, University of North Carolina at Chapel Hill, Chapel Hill, NC 27599, USA
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12
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Lillehoj EP, Luzina IG, Atamas SP. Mammalian Neuraminidases in Immune-Mediated Diseases: Mucins and Beyond. Front Immunol 2022; 13:883079. [PMID: 35479093 PMCID: PMC9035539 DOI: 10.3389/fimmu.2022.883079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2022] [Accepted: 03/21/2022] [Indexed: 12/28/2022] Open
Abstract
Mammalian neuraminidases (NEUs), also known as sialidases, are enzymes that cleave off the terminal neuraminic, or sialic, acid resides from the carbohydrate moieties of glycolipids and glycoproteins. A rapidly growing body of literature indicates that in addition to their metabolic functions, NEUs also regulate the activity of their glycoprotein targets. The simple post-translational modification of NEU protein targets-removal of the highly electronegative sialic acid-affects protein folding, alters protein interactions with their ligands, and exposes or covers proteolytic sites. Through such effects, NEUs regulate the downstream processes in which their glycoprotein targets participate. A major target of desialylation by NEUs are mucins (MUCs), and such post-translational modification contributes to regulation of disease processes. In this review, we focus on the regulatory roles of NEU-modified MUCs as coordinators of disease pathogenesis in fibrotic, inflammatory, infectious, and autoimmune diseases. Special attention is placed on the most abundant and best studied NEU1, and its recently discovered important target, mucin-1 (MUC1). The role of the NEU1 - MUC1 axis in disease pathogenesis is discussed, along with regulatory contributions from other MUCs and other pathophysiologically important NEU targets.
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Affiliation(s)
- Erik P. Lillehoj
- Department of Pediatrics, University of Maryland School of Medicine, Baltimore, MD, United States
| | - Irina G. Luzina
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, United States
- Research Service, Baltimore Veterans Affairs (VA) Medical Center, Baltimore, MD, United States
| | - Sergei P. Atamas
- Department of Medicine, University of Maryland School of Medicine, Baltimore, MD, United States
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13
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Bourguet E, Figurska S, Fra Czek MM. Human Neuraminidases: Structures and Stereoselective Inhibitors. J Med Chem 2022; 65:3002-3025. [PMID: 35170942 DOI: 10.1021/acs.jmedchem.1c01612] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
This Perspective describes the classification, structures, substrates, mechanisms of action, and implications of human neuraminidases (hNEUs) in various pathologies. Some inhibitors have been developed for each isoform, leading to more precise interactions with hNEUs. Although crystal structure data are available for NEU2, most of the findings are based on NEU1 inhibition, and limited information is available for other hNEUs. Therefore, the synthesis of new compounds would facilitate the enrichment of the arsenal of inhibitors to better understand the roles of hNEUs and their mechanisms of action. Nevertheless, due to the already known inhibitors of human neuraminidase enzymes, a structure-activity relationship is presented along with different approaches to inhibit these enzymes for the development of potent and selective inhibitors. Among the different emerging strategies, one is the inhibition of the dimerization of NEU1 or NEU3, and the second is the inhibition of certain receptors located close to hNEU.
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Affiliation(s)
- Erika Bourguet
- Université de Reims Champagne-Ardenne, Institut de Chimie Moléculaire de Reims (ICMR), CNRS UMR 7312, 51097 Reims, France
| | - Sylwia Figurska
- Université de Reims Champagne-Ardenne, Institut de Chimie Moléculaire de Reims (ICMR), CNRS UMR 7312, 51097 Reims, France.,Medical University of Warsaw, Banacha 1, 02-097 Warsaw, Poland
| | - Manuela Maria Fra Czek
- Université de Reims Champagne-Ardenne, Institut de Chimie Moléculaire de Reims (ICMR), CNRS UMR 7312, 51097 Reims, France.,Medical University of Warsaw, Banacha 1, 02-097 Warsaw, Poland
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14
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Tembely D, Henry A, Vanalderwiert L, Toussaint K, Bennasroune A, Blaise S, Sartelet H, Jaisson S, Galés C, Martiny L, Duca L, Romier-Crouzet B, Maurice P. The Elastin Receptor Complex: An Emerging Therapeutic Target Against Age-Related Vascular Diseases. Front Endocrinol (Lausanne) 2022; 13:815356. [PMID: 35222273 PMCID: PMC8873114 DOI: 10.3389/fendo.2022.815356] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/15/2021] [Accepted: 01/20/2022] [Indexed: 12/26/2022] Open
Abstract
The incidence of cardiovascular diseases is increasing worldwide with the growing aging of the population. Biological aging has major influence on the vascular tree and is associated with critical changes in the morphology and function of the arterial wall together with an extensive remodeling of the vascular extracellular matrix. Elastic fibers fragmentation and release of elastin degradation products, also known as elastin-derived peptides (EDPs), are typical hallmarks of aged conduit arteries. Along with the direct consequences of elastin fragmentation on the mechanical properties of arteries, the release of EDPs has been shown to modulate the development and/or progression of diverse vascular and metabolic diseases including atherosclerosis, thrombosis, type 2 diabetes and nonalcoholic steatohepatitis. Most of the biological effects mediated by these bioactive peptides are due to a peculiar membrane receptor called elastin receptor complex (ERC). This heterotrimeric receptor contains a peripheral protein called elastin-binding protein, the protective protein/cathepsin A, and a transmembrane sialidase, the neuraminidase-1 (NEU1). In this review, after an introductive part on the consequences of aging on the vasculature and the release of EDPs, we describe the composition of the ERC, the signaling pathways triggered by this receptor, and the current pharmacological strategies targeting ERC activation. Finally, we present and discuss new regulatory functions that have emerged over the last few years for the ERC through desialylation of membrane glycoproteins by NEU1, and its potential implication in receptor transactivation.
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Affiliation(s)
- Dignê Tembely
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Aubéri Henry
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Laetitia Vanalderwiert
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Kevin Toussaint
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Amar Bennasroune
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Sébastien Blaise
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Hervé Sartelet
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Stéphane Jaisson
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Céline Galés
- Institut des Maladies Métaboliques et Cardiovasculaires, INSERM U1048, Université de Toulouse, Toulouse, France
| | - Laurent Martiny
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Laurent Duca
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Béatrice Romier-Crouzet
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Pascal Maurice
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
- *Correspondence: Pascal Maurice, ; orcid.org0000-0003-2167-4808
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15
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Bocquet O, Tembely D, Rioult D, Terryn C, Romier B, Bennasroune A, Blaise S, Sartelet H, Martiny L, Duca L, Maurice P. Characterization of novel interactions with membrane NEU1 highlights new regulatory functions for the Elastin Receptor Complex in monocyte interaction with endothelial cells. Cell Biosci 2021; 11:206. [PMID: 34903296 PMCID: PMC8670255 DOI: 10.1186/s13578-021-00718-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 11/20/2021] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND Vascular aging is associated with remodeling of elastin, one of the main extracellular matrix component of the arterial wall, and production of elastin-derived peptides (EDP). These extracellular matrix degradation products have been shown to trigger biological activities through the elastin receptor complex (ERC) and data from the last decade have brought significant insights on the critical role played by its NEU1 subunit in the biological effects mediated by EDP and the ERC in vascular and metabolic diseases. RESULTS Using a proteomic approach, we previously identified new potential interaction partners of membrane NEU1. Here, we validated the interaction between NEU1 and the β2 integrin in human monocytes and show that binding of EDP to the ERC leads to desialylation of β2 integrin through NEU1. A similar action mechanism was identified in human umbilical vein endothelial cells (HUVEC) for intercellular cell adhesion molecule-1 (ICAM-1). Importantly, these effects were associated with a significant increase in monocyte adhesion to endothelial cells and monocyte transendothelial migration. CONCLUSIONS These results demonstrate that membrane NEU1 sialidase interacts and modulates the sialylation levels of the β2 integrin and ICAM-1 through the ERC in monocytes and endothelial cells, respectively, and suggest that EDP and the ERC, through this newly identified common mode of action governed by NEU1, may be important regulators of circulating monocyte recruitment to inflamed vascular sites. Moreover, by its ability to interact with and to modulate the sialylation of key membrane glycoproteins through NEU1, new biological functions are anticipated for EDP and the ERC in elastin remodeling-associated disorders.
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Affiliation(s)
- Olivier Bocquet
- UMR CNRS 7369 Matrice Extracellulaire Et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes Et Naturelles, Moulin de La Housse, BP1039, 51687, Reims cedex 2, France
| | - Dignê Tembely
- UMR CNRS 7369 Matrice Extracellulaire Et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes Et Naturelles, Moulin de La Housse, BP1039, 51687, Reims cedex 2, France
| | - Damien Rioult
- Plateau Technique Mobile de Cytométrie Environnementale MOBICYTE, URCA/INERIS, Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes Et Naturelles, Reims, France
| | - Christine Terryn
- Plate-Forme Imagerie Cellulaire Et Tissulaire (PICT), Université de Reims Champagne Ardenne (URCA), UFR Médecine, Reims, France
| | - Béatrice Romier
- UMR CNRS 7369 Matrice Extracellulaire Et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes Et Naturelles, Moulin de La Housse, BP1039, 51687, Reims cedex 2, France
| | - Amar Bennasroune
- UMR CNRS 7369 Matrice Extracellulaire Et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes Et Naturelles, Moulin de La Housse, BP1039, 51687, Reims cedex 2, France
| | - Sébastien Blaise
- UMR CNRS 7369 Matrice Extracellulaire Et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes Et Naturelles, Moulin de La Housse, BP1039, 51687, Reims cedex 2, France
| | - Hervé Sartelet
- UMR CNRS 7369 Matrice Extracellulaire Et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes Et Naturelles, Moulin de La Housse, BP1039, 51687, Reims cedex 2, France
| | - Laurent Martiny
- UMR CNRS 7369 Matrice Extracellulaire Et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes Et Naturelles, Moulin de La Housse, BP1039, 51687, Reims cedex 2, France
| | - Laurent Duca
- UMR CNRS 7369 Matrice Extracellulaire Et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes Et Naturelles, Moulin de La Housse, BP1039, 51687, Reims cedex 2, France
| | - Pascal Maurice
- UMR CNRS 7369 Matrice Extracellulaire Et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes Et Naturelles, Moulin de La Housse, BP1039, 51687, Reims cedex 2, France.
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16
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Hyun SW, Imamura A, Ishida H, Piepenbrink KH, Goldblum SE, Lillehoj EP. The sialidase NEU1 directly interacts with the juxtamembranous segment of the cytoplasmic domain of mucin-1 to inhibit downstream PI3K-Akt signaling. J Biol Chem 2021; 297:101337. [PMID: 34688655 PMCID: PMC8591358 DOI: 10.1016/j.jbc.2021.101337] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2021] [Revised: 10/14/2021] [Accepted: 10/15/2021] [Indexed: 12/04/2022] Open
Abstract
The extracellular domain (ED) of the membrane-spanning sialoglycoprotein, mucin-1 (MUC1), is an in vivo substrate for the lysosomal sialidase, neuraminidase-1 (NEU1). Engagement of the MUC1-ED by its cognate ligand, Pseudomonas aeruginosa-expressed flagellin, increases NEU1-MUC1 association and NEU1-mediated MUC1-ED desialylation to unmask cryptic binding sites for its ligand. However, the mechanism(s) through which intracellular NEU1 might physically interact with its surface-expressed MUC1-ED substrate are unclear. Using reciprocal coimmunoprecipitation and in vitro binding assays in a human airway epithelial cell system, we show here that NEU1 associates with the MUC1-cytoplasmic domain (CD) but not with the MUC1-ED. Prior pharmacologic inhibition of the NEU1 catalytic activity using the NEU1-selective sialidase inhibitor, C9-butyl amide-2-deoxy-2,3-dehydro-N-acetylneuraminic acid, did not diminish NEU1-MUC1-CD association. In addition, glutathione-S-transferase (GST) pull-down assays using the deletion mutants of the MUC1-CD mapped the NEU1-binding site to the membrane-proximal 36 aa of the MUC1-CD. In a cell-free system, we found that the purified NEU1 interacted with the immobilized GST-MUC1-CD and the purified MUC1-CD associated with the immobilized 6XHis-NEU1, indicating that the NEU1-MUC1-CD interaction was direct and independent of its chaperone protein, protective protein/cathepsin A. However, the NEU1-MUC1-CD interaction was not required for the NEU1-mediated MUC1-ED desialylation. Finally, we demonstrated that overexpression of either WT NEU1 or a catalytically dead NEU1 G68V mutant diminished the association of the established MUC1-CD binding partner, PI3K, to MUC1-CD and reduced downstream Akt kinase phosphorylation. These results indicate that NEU1 associates with the juxtamembranous region of the MUC1-CD to inhibit PI3K-Akt signaling independent of NEU1 catalytic activity.
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Affiliation(s)
- Sang W Hyun
- US Department of Veterans Affairs, Veterans Affairs Medical Center, University of Maryland School of Medicine, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Akihiro Imamura
- Department of Applied Bio-organic Chemistry, Gifu University, Gifu, Japan
| | - Hideharu Ishida
- Department of Applied Bio-organic Chemistry, Gifu University, Gifu, Japan
| | - Kurt H Piepenbrink
- Food Science and Technology Department, University of Nebraska, Lincoln, Nebraska, USA
| | - Simeon E Goldblum
- US Department of Veterans Affairs, Veterans Affairs Medical Center, University of Maryland School of Medicine, Baltimore, Maryland, USA; Department of Medicine, University of Maryland School of Medicine, Baltimore, Maryland, USA
| | - Erik P Lillehoj
- Department of Pediatrics, University of Maryland School of Medicine, Baltimore, Maryland, USA.
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17
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Hassan AA, Oscarson S. Facile anomer-oriented syntheses of 4-methylumbelliferyl sialic acid glycosides. Org Biomol Chem 2021; 19:6644-6649. [PMID: 34263283 DOI: 10.1039/d1ob00877c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
As part of a program to find new sialidases and determine their enzymatic specificity and catalytic activity, a library of 4-methylumbelliferyl sialic acid glycosides derivatised at the C-5 position were prepared from N-acetylneuraminic acid. Both α- and β-4-methylumbelliferyl sialic acid glycosides were prepared in high yields and stereoselectivity. α-Anomers were accessed via reagent control by utilising additive CH3CN and TBAI, whereas the β-anomers were synthesised through a diastereoselective addition reaction of iodine and the aglycone to the corresponding glycal followed by reduction of the resulting 3-iodo compounds. Both anomer-oriented synthetic pathways allow for gram-scale stereoselective syntheses of the desired C-5 modified neuraminic acid derivatives for use as tools to quantify the enzymatic activity and substrate specificity of known sialidases, and potential detection and investigation of novel sialidases.
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Affiliation(s)
- Abdullah A Hassan
- Centre for Synthesis and Chemical Biology, University College Dublin, Belfield, Dublin, Ireland.
| | - Stefan Oscarson
- Centre for Synthesis and Chemical Biology, University College Dublin, Belfield, Dublin, Ireland.
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18
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Yanagisawa H, Yokoyama U. Extracellular matrix-mediated remodeling and mechanotransduction in large vessels during development and disease. Cell Signal 2021; 86:110104. [PMID: 34339854 DOI: 10.1016/j.cellsig.2021.110104] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 07/27/2021] [Accepted: 07/28/2021] [Indexed: 01/08/2023]
Abstract
The vascular extracellular matrix (ECM) is synthesized and secreted during embryogenesis and facilitates the growth and remodeling of large vessels. Proper interactions between the ECM and vascular cells are pivotal for building the vasculature required for postnatal dynamic circulation. The ECM serves as a structural component by maintaining the integrity of the vessel wall while also regulating intercellular signaling, which involves cytokines and growth factors. The major ECM component in large vessels is elastic fibers, which include elastin and microfibrils. Elastin is predominantly synthesized by vascular smooth muscle cells (SMCs) and uses microfibrils as a scaffold to lay down and assemble cross-linked elastin. The absence of elastin causes developmental defects that result in the subendothelial proliferation of SMCs and inward remodeling of the vessel wall. Notably, elastic fiber formation is attenuated in the ductus arteriosus and umbilical arteries. These two vessels function during embryogenesis and close after birth via cellular proliferation, migration, and matrix accumulation. In dynamic postnatal mechano-environments, the elastic fibers in large vessels also serve an essential role in proper signal transduction as a component of elastin-contractile units. Disrupted mechanotransduction in SMCs leads to pathological conditions such as aortic aneurysms that exhibit outward remodeling. This review discusses the importance of the ECM-mainly the elastic fiber matrix-in large vessels during developmental remodeling and under pathological conditions. By dissecting the role of the ECM in large vessels, we aim to provide insights into the role of ECM-mediated signal transduction that can provide a basis for seeking new targets for intervention in vascular diseases.
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Affiliation(s)
- Hiromi Yanagisawa
- Life Science Center for Survival Dynamics, Tsukuba Advanced Research Alliance, The University of Tsukuba, 1-1-1 Tennodai, Tsukuba, 305-8577, Japan.
| | - Utako Yokoyama
- Department of Physiology, Tokyo Medical University, 6-1-1 Shinjuku, Shinjuku-ku, Tokyo, 160-8402, Japan.
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19
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Proatherogenic Sialidases and Desialylated Lipoproteins: 35 Years of Research and Current State from Bench to Bedside. Biomedicines 2021; 9:biomedicines9060600. [PMID: 34070542 PMCID: PMC8228531 DOI: 10.3390/biomedicines9060600] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2021] [Revised: 05/05/2021] [Accepted: 05/23/2021] [Indexed: 12/20/2022] Open
Abstract
This review summarizes the main achievements in basic and clinical research of atherosclerosis. Focusing on desialylation as the first and the most important reaction of proatherogenic pathological cascade, we speak of how desialylation increases the atherogenic properties of low density lipoproteins and decreases the anti-atherogenic properties of high density lipoproteins. The separate sections of this paper are devoted to immunogenicity of lipoproteins, the enzymes contributing to their desialylation and animal models of atherosclerosis. In addition, we evaluate the available experimental and diagnostic protocols that can be used to develop new therapeutic approaches for atherosclerosis.
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20
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Gorelik A, Illes K, Hasan SMN, Nagar B, Mazhab-Jafari MT. Structure of the murine lysosomal multienzyme complex core. SCIENCE ADVANCES 2021; 7:7/20/eabf4155. [PMID: 33980489 PMCID: PMC8115914 DOI: 10.1126/sciadv.abf4155] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/24/2020] [Accepted: 03/23/2021] [Indexed: 05/04/2023]
Abstract
The enzymes β-galactosidase (GLB1) and neuraminidase 1 (NEU1; sialidase 1) participate in the degradation of glycoproteins and glycolipids in the lysosome. To remain active and stable, they associate with PPCA [protective protein cathepsin A (CTSA)] into a high-molecular weight lysosomal multienzyme complex (LMC), of which several forms exist. Genetic defects in these three proteins cause the lysosomal storage diseases GM1-gangliosidosis/mucopolysaccharidosis IV type B, sialidosis, and galactosialidosis, respectively. To better understand the interactions between these enzymes, we determined the three-dimensional structure of the murine LMC core. This 0.8-MDa complex is composed of three GLB1 dimers and three CTSA dimers, adopting a triangular architecture maintained through six copies of a unique GLB1-CTSA polar interface. Mutations in this contact surface that occur in GM1-gangliosidosis prevent formation of the LMC in vitro. These findings may facilitate development of therapies for lysosomal storage disorders.
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Affiliation(s)
- Alexei Gorelik
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
| | - Katalin Illes
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada
| | - S M Naimul Hasan
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
| | - Bhushan Nagar
- Department of Biochemistry, McGill University, Montreal, Quebec, Canada.
| | - Mohammad T Mazhab-Jafari
- Princess Margaret Cancer Centre, University Health Network, Toronto, Ontario, Canada.
- Department of Medical Biophysics, University of Toronto, Toronto, Ontario, Canada
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21
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Bocquet O, Wahart A, Sarazin T, Vincent E, Schneider C, Fougerat A, Gayral S, Henry A, Blaise S, Romier-Crouzet B, Boulagnon C, Jaisson S, Gillery P, Bennasroune A, Sartelet H, Laffargue M, Martiny L, Duca L, Maurice P. Adverse Effects of Oseltamivir Phosphate Therapy on the Liver of LDLR-/- Mice Without Any Benefit on Atherosclerosis and Thrombosis. J Cardiovasc Pharmacol 2021; 77:660-672. [PMID: 33760798 DOI: 10.1097/fjc.0000000000001002] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Accepted: 02/10/2021] [Indexed: 02/06/2023]
Abstract
ABSTRACT Desialylation, governed by sialidases or neuraminidases, is strongly implicated in a wide range of human disorders, and accumulative data show that inhibition of neuraminidases, such as neuraminidases 1 sialidase, may be useful for managing atherosclerosis. Several studies have reported promising effects of oseltamivir phosphate, a widely used anti-influenza sialidase inhibitor, on human cancer cells, inflammation, and insulin resistance. In this study, we evaluated the effects of oseltamivir phosphate on atherosclerosis and thrombosis and potential liver toxicity in LDLR-/- mice fed with high-fat diet. Our results showed that oseltamivir phosphate significantly decreased plasma levels of LDL cholesterol and elastin fragmentation in aorta. However, no effect was observed on both atherosclerotic plaque size in aortic roots and chemically induced thrombosis in carotid arteries. Importantly, oseltamivir phosphate administration had adverse effects on the liver of mice and significantly increased messenger RNA expression levels of F4/80, interleukin-1β, transforming growth factor-β1, matrix metalloproteinase-12, and collagen. Taken together, our findings suggest that oseltamivir phosphate has limited benefits on atherosclerosis and carotid thrombosis and may lead to adverse side effects on the liver with increased inflammation and fibrosis.
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Affiliation(s)
- Olivier Bocquet
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Amandine Wahart
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Thomas Sarazin
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Elise Vincent
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Christophe Schneider
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Anne Fougerat
- INSERM UMR1048 I2MC, Université Paul Sabatier, Toulouse, France
| | | | - Aubéri Henry
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Sébastien Blaise
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Béatrice Romier-Crouzet
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Camille Boulagnon
- Laboratoire d'anatomie et de Cytologie Pathologique, Hôpital Robert Debré, CHU de Reims; and
| | - Stéphane Jaisson
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
- Department of Biochemistry-Pharmacology-Toxicology, University Hospital of Reims, Reims, France
| | - Philippe Gillery
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
- Department of Biochemistry-Pharmacology-Toxicology, University Hospital of Reims, Reims, France
| | - Amar Bennasroune
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Hervé Sartelet
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | | | - Laurent Martiny
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Laurent Duca
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Pascal Maurice
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
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22
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The Function of Sialidase Revealed by Sialidase Activity Imaging Probe. Int J Mol Sci 2021; 22:ijms22063187. [PMID: 33804798 PMCID: PMC8003999 DOI: 10.3390/ijms22063187] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Revised: 03/17/2021] [Accepted: 03/17/2021] [Indexed: 11/17/2022] Open
Abstract
Sialidase cleaves sialic acid residues from glycans such as glycoproteins and glycolipids. In the brain, desorption of the sialic acid by sialidase is essential for synaptic plasticity, learning and memory and synaptic transmission. BTP3-Neu5Ac has been developed for sensitive imaging of sialidase enzyme activity in mammalian tissues. Sialidase activity in the rat hippocampus detected with BTP3-Neu5Ac increases rapidly by neuronal depolarization. It is presumed that an increased sialidase activity in conjunction with neural excitation is involved in the formation of the neural circuit for memory. Since sialidase inhibits the exocytosis of the excitatory neurotransmitter glutamate, the increased sialidase activity by neural excitation might play a role in the negative feedback mechanism against the glutamate release. Mammalian tissues other than the brain have also been stained with BTP3-Neu5Ac. On the basis of information on the sialidase activity imaging in the pancreas, it was found that sialidase inhibitor can be used as an anti-diabetic drug that can avoid hypoglycemia, a serious side effect of insulin secretagogues. In this review, we discuss the role of sialidase in the brain as well as in the pancreas and skin, as revealed by using a sialidase activity imaging probe. We also present the detection of influenza virus with BTP3-Neu5Ac and modification of BTP3-Neu5Ac.
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23
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Karamanos NK, Theocharis AD, Piperigkou Z, Manou D, Passi A, Skandalis SS, Vynios DH, Orian-Rousseau V, Ricard-Blum S, Schmelzer CEH, Duca L, Durbeej M, Afratis NA, Troeberg L, Franchi M, Masola V, Onisto M. A guide to the composition and functions of the extracellular matrix. FEBS J 2021; 288:6850-6912. [PMID: 33605520 DOI: 10.1111/febs.15776] [Citation(s) in RCA: 312] [Impact Index Per Article: 104.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/13/2021] [Accepted: 02/18/2021] [Indexed: 12/13/2022]
Abstract
Extracellular matrix (ECM) is a dynamic 3-dimensional network of macromolecules that provides structural support for the cells and tissues. Accumulated knowledge clearly demonstrated over the last decade that ECM plays key regulatory roles since it orchestrates cell signaling, functions, properties and morphology. Extracellularly secreted as well as cell-bound factors are among the major members of the ECM family. Proteins/glycoproteins, such as collagens, elastin, laminins and tenascins, proteoglycans and glycosaminoglycans, hyaluronan, and their cell receptors such as CD44 and integrins, responsible for cell adhesion, comprise a well-organized functional network with significant roles in health and disease. On the other hand, enzymes such as matrix metalloproteinases and specific glycosidases including heparanase and hyaluronidases contribute to matrix remodeling and affect human health. Several cell processes and functions, among them cell proliferation and survival, migration, differentiation, autophagy, angiogenesis, and immunity regulation are affected by certain matrix components. Structural alterations have been also well associated with disease progression. This guide on the composition and functions of the ECM gives a broad overview of the matrisome, the major ECM macromolecules, and their interaction networks within the ECM and with the cell surface, summarizes their main structural features and their roles in tissue organization and cell functions, and emphasizes the importance of specific ECM constituents in disease development and progression as well as the advances in molecular targeting of ECM to design new therapeutic strategies.
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Affiliation(s)
- Nikos K Karamanos
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece.,Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), Patras, Greece
| | - Achilleas D Theocharis
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Zoi Piperigkou
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece.,Foundation for Research and Technology-Hellas (FORTH)/Institute of Chemical Engineering Sciences (ICE-HT), Patras, Greece
| | - Dimitra Manou
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Alberto Passi
- Department of Medicine and Surgery, University of Insubria, Varese, Italy
| | - Spyros S Skandalis
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Demitrios H Vynios
- Biochemistry, Biochemical Analysis & Matrix Pathobiology Research Group, Laboratory of Biochemistry, Department of Chemistry, University of Patras, Greece
| | - Véronique Orian-Rousseau
- Karlsruhe Institute of Technology, Institute of Biological and Chemical Systems- Functional Molecular Systems, Eggenstein-Leopoldshafen, Germany
| | - Sylvie Ricard-Blum
- University of Lyon, UMR 5246, ICBMS, Université Lyon 1, CNRS, Villeurbanne Cedex, France
| | - Christian E H Schmelzer
- Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Halle (Saale), Germany.,Institute of Pharmacy, Faculty of Natural Sciences I, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Laurent Duca
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2: Matrix Aging and Vascular Remodelling, Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Reims, France
| | - Madeleine Durbeej
- Department of Experimental Medical Science, Unit of Muscle Biology, Lund University, Sweden
| | - Nikolaos A Afratis
- Department Biological Regulation, Weizmann Institute of Science, Rehovot, Israel
| | - Linda Troeberg
- Norwich Medical School, University of East Anglia, Bob Champion Research and Education Building, Norwich, UK
| | - Marco Franchi
- Department for Life Quality Study, University of Bologna, Rimini, Italy
| | | | - Maurizio Onisto
- Department of Biomedical Sciences, University of Padova, Italy
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24
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Minami A, Fujita Y, Goto J, Iuchi A, Fujita K, Mikami Y, Shiratori M, Ishii A, Mitragotri S, Iwao Y, Kanazawa H, Kurebayashi Y, Takahashi T, Otsubo T, Ikeda K, Suzuki T. Enhancement of elastin expression by transdermal administration of sialidase isozyme Neu2. Sci Rep 2021; 11:3302. [PMID: 33558588 PMCID: PMC7870814 DOI: 10.1038/s41598-021-82820-1] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2020] [Accepted: 01/14/2021] [Indexed: 12/19/2022] Open
Abstract
Reduction of elastin in the skin causes various skin diseases as well as wrinkles and sagging with aging. Sialidase is a hydrolase that cleaves a sialic acid residue from sialoglycoconjugate. Cleavage of sialic acid from microfibrils by the sialidase isozyme Neu1 facilitates elastic fiber assembly. In the present study, we showed that a lower layer of the dermis and muscle showed relatively intense sialidase activity. The sialidase activity in the skin decreased with aging. Choline and geranate (CAGE), one of the ionic liquids, can deliver the sialidase subcutaneously while maintaining the enzymatic activity. The elastin level in the dermis was increased by applying sialidase from Arthrobacter ureafaciens (AUSA) with CAGE on the skin for 5 days in rats and senescence-accelerated mice prone 1 and 8. Sialidase activity in the dermis was considered to be mainly due to Neu2 based on the expression level of sialidase isozyme mRNA. Transdermal administration of Neu2 with CAGE also increased the level of elastin in the dermis. Therefore, not only Neu1 but also Neu2 would be involved in elastic fiber assembly. Transdermal administration of sialidase is expected to be useful for improvement of wrinkles and skin disorders due to the loss of elastic fibers.
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Affiliation(s)
- Akira Minami
- Department of Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan.
| | - Yuka Fujita
- Department of Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan
| | - Jun Goto
- Department of Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan
| | - Ayano Iuchi
- Department of Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan
| | - Kosei Fujita
- Department of Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan
| | - Yasuyo Mikami
- Department of Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan
| | - Mako Shiratori
- Department of Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan
| | - Ami Ishii
- Department of Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan
| | - Samir Mitragotri
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, 02138, USA
| | - Yasunori Iwao
- Laboratory of Synthetic Organic and Medicinal Chemistry, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan
| | - Hiroaki Kanazawa
- Department of Functional Anatomy, School of Nursing, University of Shizuoka, Shizuoka, 422-8526, Japan
| | - Yuuki Kurebayashi
- Department of Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan
| | - Tadanobu Takahashi
- Department of Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan
| | - Tadamune Otsubo
- Department of Organic Chemistry, School of Pharmaceutical Sciences, Hiroshima International University, Hiroshima, 737-0112, Japan
| | - Kiyoshi Ikeda
- Department of Organic Chemistry, School of Pharmaceutical Sciences, Hiroshima International University, Hiroshima, 737-0112, Japan
| | - Takashi Suzuki
- Department of Biochemistry, School of Pharmaceutical Sciences, University of Shizuoka, Shizuoka, 422-8526, Japan.
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25
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Sundararaj K, Rodgers J, Angel P, Wolf B, Nowling TK. The role of neuraminidase in TLR4-MAPK signalling and the release of cytokines by lupus serum-stimulated mesangial cells. Immunology 2021; 162:418-433. [PMID: 33314123 DOI: 10.1111/imm.13294] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2020] [Revised: 12/03/2020] [Accepted: 12/07/2020] [Indexed: 12/11/2022] Open
Abstract
Previously, we demonstrated neuraminidase (NEU) activity or NEU1 expression, specifically, is increased in the kidneys of lupus mice and urine of human patients with nephritis. Additionally, NEU activity mediates IL-6 secretion from lupus-prone MRL/lpr primary mouse mesangial cells (MCs) in response to an IgG mimic. IL-6 mediates glomerular inflammation and promotes tissue damage in patients and mouse strains with lupus nephritis. This study further elucidates the mechanisms by which NEU activity and NEU1 specifically mediates the release of IL-6 and other cytokines from lupus-prone MCs. We demonstrate significantly increased release of multiple cytokines and NEU activity in MRL/lpr MCs in response to serum from MRL/lpr mice (lupus serum). Inhibiting NEU activity significantly reduced secretion of three of those cytokines: IL-6, GM-CSF and MIP1α. Message levels of Il-6 and Gm-csf were also increased in response to lupus serum and reduced when NEU activity was inhibited. Neutralizing antibodies to cell-surface receptors and MAPK inhibitors in lupus serum- or LPS-stimulated MCs indicate TLR4 and p38 or ERK MAP kinase signalling play key roles in the NEU-mediated secretion of IL-6. Significantly reduced IL-6 release was observed in C57BL/6 (B6) Neu1+/+ primary MCs compared with wild-type (Neu1+/+) B6 MCs in response to lupus serum. Additional results show inhibiting NEU activity significantly increases sialic acid-containing N-glycan levels. Together, our novel observations support a role for NEU activity, and specifically NEU1, in mediating release of IL-6 from lupus-prone MCs in response to lupus serum through a TLR4-p38/ERK MAPK signalling pathway that likely includes desialylation of glycoproteins.
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Affiliation(s)
- Kamala Sundararaj
- Department of Medicine, Division of Rheumatology, Medical University of South Carolina, Charleston, SC, USA
| | - Jessalyn Rodgers
- Department of Medicine, Division of Rheumatology, Medical University of South Carolina, Charleston, SC, USA
| | - Peggi Angel
- Department of Cell and Molecular Pharmacology and Experimental Therapeutics, Medical University of South Carolina, Charleston, SC, USA
| | - Bethany Wolf
- Department of Public Health Sciences, Medical University of South Carolina, Charleston, SC, USA
| | - Tamara K Nowling
- Department of Medicine, Division of Rheumatology, Medical University of South Carolina, Charleston, SC, USA
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26
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Albrecht C, Kuznetsov AS, Appert-Collin A, Dhaideh Z, Callewaert M, Bershatsky YV, Urban AS, Bocharov EV, Bagnard D, Baud S, Blaise S, Romier-Crouzet B, Efremov RG, Dauchez M, Duca L, Gueroult M, Maurice P, Bennasroune A. Transmembrane Peptides as a New Strategy to Inhibit Neuraminidase-1 Activation. Front Cell Dev Biol 2020; 8:611121. [PMID: 33392200 PMCID: PMC7772355 DOI: 10.3389/fcell.2020.611121] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2020] [Accepted: 11/27/2020] [Indexed: 12/31/2022] Open
Abstract
Sialidases, or neuraminidases, are involved in several human disorders such as neurodegenerative, infectious and cardiovascular diseases, and cancers. Accumulative data have shown that inhibition of neuraminidases, such as NEU1 sialidase, may be a promising pharmacological target, and selective inhibitors of NEU1 are therefore needed to better understand the biological functions of this sialidase. In the present study, we designed interfering peptides (IntPep) that target a transmembrane dimerization interface previously identified in human NEU1 that controls its membrane dimerization and sialidase activity. Two complementary strategies were used to deliver the IntPep into cells, either flanked to a TAT sequence or non-tagged for solubilization in detergent micelles. Combined with molecular dynamics simulations and heteronuclear nuclear magnetic resonance (NMR) studies in membrane-mimicking environments, our results show that these IntPep are able to interact with the dimerization interface of human NEU1, to disrupt membrane NEU1 dimerization and to strongly decrease its sialidase activity at the plasma membrane. In conclusion, we report here new selective inhibitors of human NEU1 of strong interest to elucidate the biological functions of this sialidase.
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Affiliation(s)
- Camille Albrecht
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France
| | - Andrey S Kuznetsov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.,Higher School of Economics, Moscow, Russia.,Moscow Institute of Physics and Technology, National Research University, Dolgoprudny, Russia
| | - Aline Appert-Collin
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France
| | - Zineb Dhaideh
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France
| | - Maïté Callewaert
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7312, Institut de Chimie Moléculaire de Reims, Reims, France
| | - Yaroslav V Bershatsky
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.,Moscow Institute of Physics and Technology, National Research University, Dolgoprudny, Russia
| | - Anatoly S Urban
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.,Moscow Institute of Physics and Technology, National Research University, Dolgoprudny, Russia
| | - Eduard V Bocharov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.,Moscow Institute of Physics and Technology, National Research University, Dolgoprudny, Russia
| | - Dominique Bagnard
- Université de Strasbourg, Strasbourg, France.,INSERM U1119 Biopathologie de la Myéline, Neuroprotection et Stratégies Thérapeutiques, Labex Medalis, Fédération de Médecine Translationnelle de Strasbourg, Strasbourg, France
| | - Stéphanie Baud
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France
| | - Sébastien Blaise
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France
| | - Béatrice Romier-Crouzet
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France
| | - Roman G Efremov
- Shemyakin-Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.,Higher School of Economics, Moscow, Russia.,Moscow Institute of Physics and Technology, National Research University, Dolgoprudny, Russia
| | - Manuel Dauchez
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France.,Plateau de Modélisation Moléculaire Multi-échelle, Reims, France
| | - Laurent Duca
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France
| | - Marc Gueroult
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France
| | - Pascal Maurice
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France
| | - Amar Bennasroune
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Reims, France
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27
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Luzina IG, Lillehoj EP, Lockatell V, Hyun SW, Lugkey KN, Imamura A, Ishida H, Cairo CW, Atamas SP, Goldblum SE. Therapeutic Effect of Neuraminidase-1-Selective Inhibition in Mouse Models of Bleomycin-Induced Pulmonary Inflammation and Fibrosis. J Pharmacol Exp Ther 2020; 376:136-146. [PMID: 33139318 DOI: 10.1124/jpet.120.000223] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2020] [Accepted: 10/13/2020] [Indexed: 11/22/2022] Open
Abstract
Pulmonary fibrosis remains a serious biomedical problem with no cure and an urgent need for better therapies. Neuraminidases (NEUs), including NEU1, have been recently implicated in the mechanism of pulmonary fibrosis by us and others. We now have tested the ability of a broad-spectrum neuraminidase inhibitor, 2,3-dehydro-2-deoxy-N-acetylneuraminic acid (DANA), to modulate the in vivo response to acute intratracheal bleomycin challenge as an experimental model of pulmonary fibrosis. A marked alleviation of bleomycin-induced body weight loss and notable declines in accumulation of pulmonary lymphocytes and collagen deposition were observed. Real-time polymerase chain reaction analyses of human and mouse lung tissues and primary human lung fibroblast cultures were also performed. A predominant expression and pronounced elevation in the levels of NEU1 mRNA were observed in patients with idiopathic pulmonary fibrosis and bleomycin-challenged mice compared with their corresponding controls, whereas NEU2, NEU3, and NEU4 were expressed at far lower levels. The levels of mRNA for the NEU1 chaperone, protective protein/cathepsin A (PPCA), were also elevated by bleomycin. Western blotting analyses demonstrated bleomycin-induced elevations in protein expression of both NEU1 and PPCA in mouse lungs. Two known selective NEU1 inhibitors, C9-pentyl-amide-DANA (C9-BA-DANA) and C5-hexanamido-C9-acetamido-DANA, dramatically reduced bleomycin-induced loss of body weight, accumulation of pulmonary lymphocytes, and deposition of collagen. Importantly, C9-BA-DANA was therapeutic in the chronic bleomycin exposure model with no toxic effects observed within the experimental timeframe. Moreover, in the acute bleomycin model, C9-BA-DANA attenuated NEU1-mediated desialylation and shedding of the mucin-1 ectodomain. These data indicate that NEU1-selective inhibition offers a potential therapeutic intervention for pulmonary fibrotic diseases. SIGNIFICANCE STATEMENT: Neuraminidase-1-selective therapeutic targeting in the acute and chronic bleomycin models of pulmonary fibrosis reverses pulmonary collagen deposition, accumulation of lymphocytes in the lungs, and the disease-associated loss of body weight-all without observable toxic effects. Such therapy is as efficacious as nonspecific inhibition of all neuraminidases in these models, thus indicating the central role of neuraminidase-1 as well as offering a potential innovative, specifically targeted, and safe approach to treating human patients with a severe malady: pulmonary fibrosis.
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Affiliation(s)
- Irina G Luzina
- Departments of Medicine (I.G.L., V.L., S.W.H., K.N.L., S.P.A., S.E.G.) and Pediatrics (E.P.L.), University of Maryland School of Medicine, Baltimore, Maryland; Research Service, Baltimore VA Medical Center, Baltimore, Maryland (I.G.L., S.W.H., S.P.A., S.E.G.); Department of Applied Bioorganic Chemistry, Gifu University, Gifu, Japan (A.I., H.I.); and Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada (C.W.C.)
| | - Erik P Lillehoj
- Departments of Medicine (I.G.L., V.L., S.W.H., K.N.L., S.P.A., S.E.G.) and Pediatrics (E.P.L.), University of Maryland School of Medicine, Baltimore, Maryland; Research Service, Baltimore VA Medical Center, Baltimore, Maryland (I.G.L., S.W.H., S.P.A., S.E.G.); Department of Applied Bioorganic Chemistry, Gifu University, Gifu, Japan (A.I., H.I.); and Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada (C.W.C.)
| | - Virginia Lockatell
- Departments of Medicine (I.G.L., V.L., S.W.H., K.N.L., S.P.A., S.E.G.) and Pediatrics (E.P.L.), University of Maryland School of Medicine, Baltimore, Maryland; Research Service, Baltimore VA Medical Center, Baltimore, Maryland (I.G.L., S.W.H., S.P.A., S.E.G.); Department of Applied Bioorganic Chemistry, Gifu University, Gifu, Japan (A.I., H.I.); and Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada (C.W.C.)
| | - Sang W Hyun
- Departments of Medicine (I.G.L., V.L., S.W.H., K.N.L., S.P.A., S.E.G.) and Pediatrics (E.P.L.), University of Maryland School of Medicine, Baltimore, Maryland; Research Service, Baltimore VA Medical Center, Baltimore, Maryland (I.G.L., S.W.H., S.P.A., S.E.G.); Department of Applied Bioorganic Chemistry, Gifu University, Gifu, Japan (A.I., H.I.); and Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada (C.W.C.)
| | - Katerina N Lugkey
- Departments of Medicine (I.G.L., V.L., S.W.H., K.N.L., S.P.A., S.E.G.) and Pediatrics (E.P.L.), University of Maryland School of Medicine, Baltimore, Maryland; Research Service, Baltimore VA Medical Center, Baltimore, Maryland (I.G.L., S.W.H., S.P.A., S.E.G.); Department of Applied Bioorganic Chemistry, Gifu University, Gifu, Japan (A.I., H.I.); and Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada (C.W.C.)
| | - Akihiro Imamura
- Departments of Medicine (I.G.L., V.L., S.W.H., K.N.L., S.P.A., S.E.G.) and Pediatrics (E.P.L.), University of Maryland School of Medicine, Baltimore, Maryland; Research Service, Baltimore VA Medical Center, Baltimore, Maryland (I.G.L., S.W.H., S.P.A., S.E.G.); Department of Applied Bioorganic Chemistry, Gifu University, Gifu, Japan (A.I., H.I.); and Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada (C.W.C.)
| | - Hideharu Ishida
- Departments of Medicine (I.G.L., V.L., S.W.H., K.N.L., S.P.A., S.E.G.) and Pediatrics (E.P.L.), University of Maryland School of Medicine, Baltimore, Maryland; Research Service, Baltimore VA Medical Center, Baltimore, Maryland (I.G.L., S.W.H., S.P.A., S.E.G.); Department of Applied Bioorganic Chemistry, Gifu University, Gifu, Japan (A.I., H.I.); and Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada (C.W.C.)
| | - Christopher W Cairo
- Departments of Medicine (I.G.L., V.L., S.W.H., K.N.L., S.P.A., S.E.G.) and Pediatrics (E.P.L.), University of Maryland School of Medicine, Baltimore, Maryland; Research Service, Baltimore VA Medical Center, Baltimore, Maryland (I.G.L., S.W.H., S.P.A., S.E.G.); Department of Applied Bioorganic Chemistry, Gifu University, Gifu, Japan (A.I., H.I.); and Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada (C.W.C.)
| | - Sergei P Atamas
- Departments of Medicine (I.G.L., V.L., S.W.H., K.N.L., S.P.A., S.E.G.) and Pediatrics (E.P.L.), University of Maryland School of Medicine, Baltimore, Maryland; Research Service, Baltimore VA Medical Center, Baltimore, Maryland (I.G.L., S.W.H., S.P.A., S.E.G.); Department of Applied Bioorganic Chemistry, Gifu University, Gifu, Japan (A.I., H.I.); and Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada (C.W.C.)
| | - Simeon E Goldblum
- Departments of Medicine (I.G.L., V.L., S.W.H., K.N.L., S.P.A., S.E.G.) and Pediatrics (E.P.L.), University of Maryland School of Medicine, Baltimore, Maryland; Research Service, Baltimore VA Medical Center, Baltimore, Maryland (I.G.L., S.W.H., S.P.A., S.E.G.); Department of Applied Bioorganic Chemistry, Gifu University, Gifu, Japan (A.I., H.I.); and Department of Chemistry, University of Alberta, Edmonton, Alberta, Canada (C.W.C.)
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28
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Yuan L, Zhao Y, Sun XL. Sialidase substrates for Sialdiase assays - activity, specificity, quantification and inhibition. Glycoconj J 2020; 37:513-531. [PMID: 32813176 DOI: 10.1007/s10719-020-09940-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Revised: 07/08/2020] [Accepted: 08/06/2020] [Indexed: 12/01/2022]
Abstract
Sialidases are glycosidases responsible for the removal of sialic acid (Sia) residues (desialylation) from glycan portions of either glycoproteins or glycolipids. By desialylation, sialidases are able to modulate the functionality and stability of the Sia-containing molecules and are involved in both physiological and pathological pathways. Therefore, evaluation of sialidase activity and specificity is important for understanding the biological significance of desialylation by sialidases and its function and the related molecular mechanisms of the physiological and pathological pathways. In addition, it is essential for developing novel mechanisms and approaches for disease treatment and diagnosis and pathogen detection as well. This review summarizes the most recent sialidase substrates for evaluating sialidase activity and specificity and screening sialidase inhibitors, including (i) general sialidase substrates, (ii) specific sialidase substrates, (iii) native sialidase substrates and (iv) cellular sialidase substrates. This review also provides a brief introduction of recent instrumental methods for quantifying the sialidase activity, such as UV, fluorescence, HPLC and LC-MS methods.
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Affiliation(s)
- Lei Yuan
- Department of Chemistry, Chemical and Biomedical Engineering and Center for Gene Regulation in Health and Disease (GRHD), Cleveland State University, 2121 Euclid Avenue, Cleveland, OH, 44115, USA.,School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang, 110016, People's Republic of China
| | - Yu Zhao
- Department of Chemistry, Chemical and Biomedical Engineering and Center for Gene Regulation in Health and Disease (GRHD), Cleveland State University, 2121 Euclid Avenue, Cleveland, OH, 44115, USA
| | - Xue-Long Sun
- Department of Chemistry, Chemical and Biomedical Engineering and Center for Gene Regulation in Health and Disease (GRHD), Cleveland State University, 2121 Euclid Avenue, Cleveland, OH, 44115, USA.
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29
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Heinz A. Elastases and elastokines: elastin degradation and its significance in health and disease. Crit Rev Biochem Mol Biol 2020; 55:252-273. [PMID: 32530323 DOI: 10.1080/10409238.2020.1768208] [Citation(s) in RCA: 73] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Elastin is an important protein of the extracellular matrix of higher vertebrates, which confers elasticity and resilience to various tissues and organs including lungs, skin, large blood vessels and ligaments. Owing to its unique structure, extensive cross-linking and durability, it does not undergo significant turnover in healthy tissues and has a half-life of more than 70 years. Elastin is not only a structural protein, influencing the architecture and biomechanical properties of the extracellular matrix, but also plays a vital role in various physiological processes. Bioactive elastin peptides termed elastokines - in particular those of the GXXPG motif - occur as a result of proteolytic degradation of elastin and its non-cross-linked precursor tropoelastin and display several biological activities. For instance, they promote angiogenesis or stimulate cell adhesion, chemotaxis, proliferation, protease activation and apoptosis. Elastin-degrading enzymes such as matrix metalloproteinases, serine proteases and cysteine proteases slowly damage elastin over the lifetime of an organism. The destruction of elastin and the biological processes triggered by elastokines favor the development and progression of various pathological conditions including emphysema, chronic obstructive pulmonary disease, atherosclerosis, metabolic syndrome and cancer. This review gives an overview on types of human elastases and their action on human elastin, including the formation, structure and biological activities of elastokines and their role in common biological processes and severe pathological conditions.
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Affiliation(s)
- Andrea Heinz
- Department of Pharmacy, LEO Foundation Center for Cutaneous Drug Delivery, University of Copenhagen, Copenhagen, Denmark
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30
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Bouknight KD, Jurkouich KM, Compton JR, Khavrutskii IV, Guelta MA, Harvey SP, Legler PM. Structural and kinetic evidence of aging after organophosphate inhibition of human Cathepsin A. Biochem Pharmacol 2020; 177:113980. [PMID: 32305437 DOI: 10.1016/j.bcp.2020.113980] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2020] [Accepted: 04/14/2020] [Indexed: 11/30/2022]
Abstract
Human Cathepsin A (CatA) is a lysosomal serine carboxypeptidase of the renin-angiotensin system (RAS) and is structurally similar to acetylcholinesterase (AChE). CatA can remove the C-terminal amino acids of endothelin I, angiotensin I, Substance P, oxytocin, and bradykinin, and can deamidate neurokinin A. Proteomic studies identified CatA and its homologue, SCPEP1, as potential targets of organophosphates (OP). CatA could be stably inhibited by low µM to high nM concentrations of racemic sarin (GB), soman (GD), cyclosarin (GF), VX, and VR within minutes to hours at pH 7. Cyclosarin was the most potent with a kinetically measured dissociation constant (KI) of 2 µM followed by VR (KI = 2.8 µM). Bimolecular rate constants for inhibition by cyclosarin and VR were 1.3 × 103 M-1sec-1 and 1.2 × 103 M-1sec-1, respectively, and were approximately 3-orders of magnitude lower than those of human AChE indicating slower reactivity. Notably, both AChE and CatA bound diisopropylfluorophosphate (DFP) comparably and had KIDFP = 13 µM and 11 µM, respectively. At low pH, greater than 85% of the enzyme spontaneously reactivated after OP inhibition, conditions under which OP-adducts of cholinesterases irreversibly age. At pH 6.5 CatA remained stably inhibited by GB and GF and <10% of the enzyme spontaneously reactivated after 200 h. A crystal structure of DFP-inhibited CatA was determined and contained an aged adduct. Similar to AChE, CatA appears to have a "backdoor" for product release. CatA has not been shown previously to age. These results may have implications for: OP-associated inflammation; cardiovascular effects; and the dysregulation of RAS enzymes by OP.
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Affiliation(s)
- Kayla D Bouknight
- Hampton University, 100 E Queen St, Hampton, VA 23668, United States
| | - Kayla M Jurkouich
- Case Western Reserve University, Dept. of Biomedical Engineering, Cleveland, 10900 Euclid Avenue, OH 44106, United States
| | - Jaimee R Compton
- U.S. Naval Research Laboratory, 4555 Overlook Ave., Washington, DC 20375, United States
| | - Ilja V Khavrutskii
- Uniformed Services University, Armed Forces Radiobiology Research Institute, 4301 Jones Bridge Rd., Bethesda, MD 20889-5648, United States
| | - Mark A Guelta
- U.S. Army Combat Capabilities and Development Command Chemical Biological Center, 5183 Blackhawk Road, Aberdeen Proving Ground, MD 21010, United States
| | - Steven P Harvey
- U.S. Army Combat Capabilities and Development Command Chemical Biological Center, 5183 Blackhawk Road, Aberdeen Proving Ground, MD 21010, United States
| | - Patricia M Legler
- U.S. Naval Research Laboratory, 4555 Overlook Ave., Washington, DC 20375, United States.
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31
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Albrecht C, Appert-Collin A, Bagnard D, Blaise S, Romier-Crouzet B, Efremov RG, Sartelet H, Duca L, Maurice P, Bennasroune A. Transmembrane Peptides as Inhibitors of Protein-Protein Interactions: An Efficient Strategy to Target Cancer Cells? Front Oncol 2020; 10:519. [PMID: 32351895 PMCID: PMC7174899 DOI: 10.3389/fonc.2020.00519] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2020] [Accepted: 03/23/2020] [Indexed: 12/11/2022] Open
Abstract
Cellular functions are regulated by extracellular signals such as hormones, neurotransmitters, matrix ligands, and other chemical or physical stimuli. Ligand binding on its transmembrane receptor induced cell signaling and the recruitment of several interacting partners to the plasma membrane. Nowadays, it is well-established that the transmembrane domain is not only an anchor of these receptors to the membrane, but it also plays a key role in receptor dimerization and activation. Indeed, interactions between transmembrane helices are associated with specific biological activity of the proteins as cell migration, proliferation, or differentiation. Overexpression or constitutive dimerization (due notably to mutations) of these transmembrane receptors are involved in several physiopathological contexts as cancers. The transmembrane domain of tyrosine kinase receptors as ErbB family proteins (implicated in several cancers as HER2 in breast cancer) or other receptors as Neuropilins has been described these last years as a target to inhibit their dimerization/activation using several strategies. In this review, we will focus on the strategy which consists in using peptides to disturb in a specific manner the interactions between transmembrane domains and the signaling pathways (induced by ligand binding) of these receptors involved in cancer. This approach can be extended to inhibit other transmembrane protein dimerization as neuraminidase-1 (the catalytic subunit of elastin receptor complex), Discoidin Domain Receptor 1 (a tyrosine kinase receptor activated by type I collagen) or G-protein coupled receptors (GPCRs) which are involved in cancer processes.
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Affiliation(s)
- Camille Albrecht
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, Reims, France
| | - Aline Appert-Collin
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, Reims, France
| | - Dominique Bagnard
- Université de Strasbourg, Strasbourg, France.,INSERM U1119 Biopathologie de la Myéline, Neuroprotection et Stratégies Thérapeutiques, Labex Medalis, Fédération de Médecine Translationnelle de Strasbourg, Strasbourg, France
| | - Sébastien Blaise
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, Reims, France
| | - Béatrice Romier-Crouzet
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, Reims, France
| | - Roman G Efremov
- M. M. Shemyakin and Yu. A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia.,Higher School of Economics, Moscow, Russia
| | - Hervé Sartelet
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, Reims, France
| | - Laurent Duca
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, Reims, France
| | - Pascal Maurice
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, Reims, France
| | - Amar Bennasroune
- Université de Reims Champagne-Ardenne, Reims, France.,CNRS UMR 7369, Matrice Extracellulaire et Dynamique Cellulaire, MEDyC, Reims, France
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32
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Quaglino D, Boraldi F, Lofaro FD. The biology of vascular calcification. INTERNATIONAL REVIEW OF CELL AND MOLECULAR BIOLOGY 2020; 354:261-353. [PMID: 32475476 DOI: 10.1016/bs.ircmb.2020.02.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Vascular calcification (VC), characterized by different mineral deposits (i.e., carbonate apatite, whitlockite and hydroxyapatite) accumulating in blood vessels and valves, represents a relevant pathological process for the aging population and a life-threatening complication in acquired and in genetic diseases. Similarly to bone remodeling, VC is an actively regulated process in which many cells and molecules play a pivotal role. This review aims at: (i) describing the role of resident and circulating cells, of the extracellular environment and of positive and negative factors in driving the mineralization process; (ii) detailing the types of VC (i.e., intimal, medial and cardiac valve calcification); (iii) analyzing rare genetic diseases underlining the importance of altered pyrophosphate-dependent regulatory mechanisms; (iv) providing therapeutic options and perspectives.
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Affiliation(s)
- Daniela Quaglino
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy.
| | - Federica Boraldi
- Department of Life Sciences, University of Modena and Reggio Emilia, Modena, Italy
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33
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Vindin H, Mithieux SM, Weiss AS. Elastin architecture. Matrix Biol 2019; 84:4-16. [DOI: 10.1016/j.matbio.2019.07.005] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 07/08/2019] [Accepted: 07/08/2019] [Indexed: 11/15/2022]
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34
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Karmakar J, Roy S, Mandal C. Modulation of TLR4 Sialylation Mediated by a Sialidase Neu1 and Impairment of Its Signaling in Leishmania donovani Infected Macrophages. Front Immunol 2019; 10:2360. [PMID: 31649671 PMCID: PMC6794462 DOI: 10.3389/fimmu.2019.02360] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2019] [Accepted: 09/19/2019] [Indexed: 12/12/2022] Open
Abstract
Altered sialylation is generally maintained by a fine balance between sialidases and sialyltransferases, which plays an essential role during disease pathogenesis. TLR4 is a membrane-bound highly sialylated glycoprotein predominantly having α2,3-linked sialic acids. It is one of the most important client molecules in the anti-leishmanial innate immune arm. Here, we initiated a comprehensive study on the modulation of TLR4 sialylation in Leishmania donovani (L. d)-infected macrophages by a mammalian sialidase/neuraminidase-1 (Neu1) having substrate specificity toward α2,3-linked sialic acids. We observed reduced membrane-associated Neu1 with its decreased enzyme activity in infected macrophages. Moreover, we demonstrated reduced association of Neu1 with TLR4 leading to enhanced sialylation of TLR4 in these infected cells. Conversely, Neu1 over expression exhibited enhanced association of TLR4 with Neu1 leading to reduced sialylation which possibly linked to increased association of TLR4 with its downstream adaptor protein, MyD88. This, in turn, activated downstream MAP kinase signaling pathway, with enhanced nuclear translocation of NFκB that resulted in increased genetic and protein levels expression of Th1 cytokines and effector molecule nitric oxide secretion which ultimately leads to reduced parasite burden in macrophages. This was further validated by Neu1 silencing in infected macrophages which reversed such a situation. Such events strongly confirm the importance of Neu1 in modulation of TLR4 sialylation during parasite infection resulting in impairment of innate immune response. Furthermore, decreased membrane-bound Neu1 in infected macrophages could be attributed to its reduced tyrosine-phosphorylation as well as diminished association with cathepsin A. Both these phenomenon possibly play significant roles in inhibiting translocation of the sialidase from cytosol to membrane. Taken together, our study first time demonstrated impaired translocation of cytosolic Neu1 to the membrane of L. donovani-infected macrophages due to impaired phosphorylation of this enzyme. This novel finding establishes a link between enhanced α2,3-linked sialic acids on TLR4 and reduced membrane-bound Neu1 which plays a significant role for inhibiting downstream signaling to establish successful infection in the host cells.
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Affiliation(s)
- Joyshree Karmakar
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Saptarshi Roy
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
| | - Chitra Mandal
- Cancer Biology and Inflammatory Disorder Division, CSIR-Indian Institute of Chemical Biology, Kolkata, India
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35
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Glucose Restriction Plus Refeeding in Vitro Induce Changes of the Human Adipocyte Secretome with an Impact on Complement Factors and Cathepsins. Int J Mol Sci 2019; 20:ijms20164055. [PMID: 31434216 PMCID: PMC6719948 DOI: 10.3390/ijms20164055] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 08/05/2019] [Accepted: 08/16/2019] [Indexed: 02/07/2023] Open
Abstract
Adipose tissue is a major endocrine organ capable of secreting adipokines with a role in whole-body metabolism. Changes in the secretome profile during the development of obesity is suspected to contribute to the risk of health complications such as those associated with weight regain after weight loss. However, the number of studies on weight regain is limited and secretome changes during weight regain have hardly been investigated. In an attempt to generate leads for in vivo studies, we have subjected human Simpson Golabi Behmel Syndrome adipocytes to glucose restriction (GR) followed by refeeding (RF) as an in vitro surrogate for weight regain after weight loss. Using LC-MS/MS, we compared the secreted protein profile after GR plus RF with that of normal feeding (NF) to assess the consequences of GR plus RF. We identified 338 secreted proteins of which 49 were described for the first time as being secreted by adipocytes. In addition, comparison between NF and GR plus RF showed 39 differentially secreted proteins. Functional classification revealed GR plus RF-induced changes of enzymes for extracellular matrix modification, complement system factors, cathepsins, and several proteins related to Alzheimer’s disease. These observations can be used as clues to investigate metabolic consequences of weight regain, weight cycling or intermittent fasting.
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36
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The role of elastin-derived peptides in human physiology and diseases. Matrix Biol 2019; 84:81-96. [PMID: 31295577 DOI: 10.1016/j.matbio.2019.07.004] [Citation(s) in RCA: 48] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2019] [Revised: 07/03/2019] [Accepted: 07/07/2019] [Indexed: 12/12/2022]
Abstract
Once considered as inert, the extracellular matrix recently revealed to be biologically active. Elastin is one of the most important components of the extracellular matrix. Many vital organs including arteries, lungs and skin contain high amounts of elastin to assure their correct function. Physiologically, the organism contains a determined quantity of elastin from the early development which may remain physiologically constant due to its very long half-life and very low turnover. Taking into consideration the continuously ongoing challenges during life, there is a physiological degradation of elastin into elastin-derived peptides which is accentuated in several disease states such as obstructive pulmonary diseases, atherosclerosis and aortic aneurysm. These elastin-derived peptides have been shown to have various biological effects mediated through their interaction with their cognate receptor called elastin receptor complex eliciting several signal transduction pathways. In this review, we will describe the production and the biological effects of elastin-derived peptides in physiology and pathology.
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37
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Bennasroune A, Romier-Crouzet B, Blaise S, Laffargue M, Efremov RG, Martiny L, Maurice P, Duca L. Elastic fibers and elastin receptor complex: Neuraminidase-1 takes the center stage. Matrix Biol 2019; 84:57-67. [PMID: 31226402 DOI: 10.1016/j.matbio.2019.06.007] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2019] [Revised: 06/11/2019] [Accepted: 06/17/2019] [Indexed: 01/02/2023]
Abstract
Extracellular matrix (ECM) has for a long time being considered as a simple architectural support for cells. It is now clear that ECM presents a fundamental influence on cells driving their phenotype and fate. This complex network is highly specialized and the different classes of macromolecules that comprise the ECM determine its biological functions. For instance, collagens are responsible for the tensile strength of tissues, proteoglycans and glycosaminoglycans are essential for hydration and resistance to compression, and glycoproteins such as laminins facilitate cell attachment. The largest structures of the ECM are the elastic fibers found in abundance in tissues suffering high mechanical constraints such as skin, lungs or arteries. These structures present a very complex composition whose core is composed of elastin surrounded by a microfibrils mantle. Elastogenesis is a tightly regulated process involving the sialidase activity of the Neuraminidase-1 (Neu-1) sub-unit of the Elastin Receptor Complex. Interestingly, Neu-1 subunit also serves as a sensor of elastin degradation via its ability to transmit elastin-derived peptides signaling. Finally, reports showing that neuraminidase activity is able to regulate TGF-β activation raises questions about a possible role for Neu-1 in elastic fibers remodeling. In this mini review, we develop the concept of the regulation of the whole life of elastic fibers through an original scope, the key role of Neu-1 sialidase enzymatic activity.
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Affiliation(s)
- Amar Bennasroune
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, Reims, France
| | | | - Sébastien Blaise
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, Reims, France
| | - Muriel Laffargue
- UMR INSERM 1048 I2MC, Université Paul Sabatier, Toulouse, France
| | - Roman G Efremov
- M. M. Shemyakin and Yu. A. Ovchinnikov Institute of Bioorganic Chemistry, Russian Academy of Sciences, Moscow, Russia; Higher School of Economics, Myasnitskaya ul. 20, 101000 Moscow, Russia
| | - Laurent Martiny
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, Reims, France
| | - Pascal Maurice
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, Reims, France
| | - Laurent Duca
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, Reims, France.
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38
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Wahart A, Hocine T, Albrecht C, Henry A, Sarazin T, Martiny L, El Btaouri H, Maurice P, Bennasroune A, Romier-Crouzet B, Blaise S, Duca L. Role of elastin peptides and elastin receptor complex in metabolic and cardiovascular diseases. FEBS J 2019; 286:2980-2993. [PMID: 30946528 DOI: 10.1111/febs.14836] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/26/2018] [Revised: 02/23/2019] [Accepted: 04/02/2019] [Indexed: 12/11/2022]
Abstract
The Cardiovascular Continuum describes a sequence of events from cardiovascular risk factors to end-stage heart disease. It includes conventional pathologies affecting cardiovascular functions such as hypertension, atherosclerosis or thrombosis and was traditionally considered from the metabolic point of view. This Cardiovascular Continuum, originally described by Dzau and Braunwald, was extended by O'Rourke to consider also the crucial role played by degradation of elastic fibers, occurring during aging, in the appearance of vascular stiffness, another deleterious risk factor of the continuum. However, the involvement of the elastin degradation products, named elastin-derived peptides, to the Cardiovascular Continuum progression has not been considered before. Data from our laboratory and others clearly showed that these bioactive peptides are central regulators of this continuum, thereby amplifying appearance and evolution of cardiovascular risk factors such as diabetes or hypertension, of vascular alterations such as atherothrombosis and calcification, but also nonalcoholic fatty liver disease and nonalcoholic steatohepatitis. The Elastin Receptor Complex has been shown to be a crucial actor in these processes. We propose here the participation of these elastin-derived peptides and of the Elastin Receptor Complex in these events, and introduce a revisited Cardiovascular Continuum based on their involvement, for which elastin-based pharmacological strategies could have a strong impact in the future.
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Affiliation(s)
- Amandine Wahart
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Thinhinane Hocine
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Camille Albrecht
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Auberi Henry
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Thomas Sarazin
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Laurent Martiny
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Hassan El Btaouri
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Pascal Maurice
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Amar Bennasroune
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | | | - Sébastien Blaise
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
| | - Laurent Duca
- UMR CNRS 7369 MEDyC, SFR CAP-Santé, Université de Reims Champagne-Ardenne, France
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Fasting blood glucose levels in patients with different types of diseases. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2019; 162:277-292. [PMID: 30905457 DOI: 10.1016/bs.pmbts.2019.01.004] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Normal human physiology is dependent on a tight control of the fasting blood glucose (FBG) levels. The islets of pancreas maintains FBG levels within a narrow range of 4-6mmol/L by secreting various hormones, especially insulin and glucagon. However, the hormone secretions by the islets of pancreas are governed by a collective effort among pancreas-islet axis, brain-islet axis, liver-islet axis, gut-islet axis, and adipocyte/myocyte-islet axis. Furthermore, the damage of pancreas, vascular system, brain, liver, intestine, adipose, muscle, and other organs and tissues might affect FBG levels through insulin resistance or impaired insulin signaling, which is the hallmark of type 2 diabetes. In this study, 320,572 clinical lab test results of FBG levels from healthy individuals and patients with 64 different types of diseases during the past 5 years in our hospital were retrieved and analyzed. Based on the mean (SD), median, and p (-Log10p) values, we found 57/64 diseases including type 2 diabetes, pancreatitis, diabetic nephropathy, and pancreatic cancer had significantly (p<0.05, -Log10p>1.30) increased whereas 6/64 diseases including preeclampsia, Wilms' tumor, and lupus erythematous had significantly decreased FBG levels compared to that of healthy controls. These data indicated that the increased FBG levels might be a general pathophysiological property of diseased tissues or organs and the increased FBG levels might be a consequence but not the cause for either prediabetes or type 2 diabetes.
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Kawecki C, Bocquet O, Schmelzer CEH, Heinz A, Ihling C, Wahart A, Romier B, Bennasroune A, Blaise S, Terryn C, Linton KJ, Martiny L, Duca L, Maurice P. Identification of CD36 as a new interaction partner of membrane NEU1: potential implication in the pro-atherogenic effects of the elastin receptor complex. Cell Mol Life Sci 2019; 76:791-807. [PMID: 30498996 PMCID: PMC6514072 DOI: 10.1007/s00018-018-2978-6] [Citation(s) in RCA: 31] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2018] [Revised: 10/17/2018] [Accepted: 11/22/2018] [Indexed: 11/05/2022]
Abstract
In addition to its critical role in lysosomes for catabolism of sialoglycoconjugates, NEU1 is expressed at the plasma membrane and regulates a myriad of receptors by desialylation, playing a key role in many pathophysiological processes. Here, we developed a proteomic approach dedicated to the purification and identification by LC-MS/MS of plasma membrane NEU1 interaction partners in human macrophages. Already known interaction partners were identified as well as several new candidates such as the class B scavenger receptor CD36. Interaction between NEU1 and CD36 was confirmed by complementary approaches. We showed that elastin-derived peptides (EDP) desialylate CD36 and that this effect was blocked by the V14 peptide, which blocks the interaction between bioactive EDP and the elastin receptor complex (ERC). Importantly, EDP also increased the uptake of oxidized LDL by macrophages that is blocked by both the V14 peptide and the sialidase inhibitor 2-deoxy-2,3-didehydro-N-acetylneuraminic acid (DANA). These results demonstrate, for the first time, that binding of EDP to the ERC indirectly modulates CD36 sialylation level and regulates oxidized LDL uptake through this sialidase. These effects could contribute to the previously reported proatherogenic role of EDP and add a new dimension in the regulation of biological processes through NEU1.
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Affiliation(s)
- Charlotte Kawecki
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling", Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Moulin de la Housse, BP1039, 51687, Reims Cedex 2, France
| | - Olivier Bocquet
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling", Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Moulin de la Housse, BP1039, 51687, Reims Cedex 2, France
| | - Christian E H Schmelzer
- Fraunhofer Institute for Microstructure of Materials and Systems IMWS, Halle (Saale), Germany
- Institute of Pharmacy, Faculty of Natural Sciences I, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Andrea Heinz
- Institute of Pharmacy, Faculty of Natural Sciences I, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
- Department of Pharmacy, University of Copenhagen, Copenhagen, Denmark
| | - Christian Ihling
- Institute of Pharmacy, Faculty of Natural Sciences I, Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Amandine Wahart
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling", Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Moulin de la Housse, BP1039, 51687, Reims Cedex 2, France
| | - Béatrice Romier
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling", Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Moulin de la Housse, BP1039, 51687, Reims Cedex 2, France
| | - Amar Bennasroune
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling", Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Moulin de la Housse, BP1039, 51687, Reims Cedex 2, France
| | - Sébastien Blaise
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling", Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Moulin de la Housse, BP1039, 51687, Reims Cedex 2, France
| | - Christine Terryn
- PICT Platform, Université de Reims Champagne Ardenne (URCA), Reims, France
| | - Kenneth J Linton
- Blizard Institute, Barts and the London School of Medicine, Queen Mary University of London, London, UK
| | - Laurent Martiny
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling", Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Moulin de la Housse, BP1039, 51687, Reims Cedex 2, France
| | - Laurent Duca
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling", Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Moulin de la Housse, BP1039, 51687, Reims Cedex 2, France
| | - Pascal Maurice
- UMR CNRS 7369 Matrice Extracellulaire et Dynamique Cellulaire (MEDyC), Team 2 "Matrix Aging and Vascular Remodelling", Université de Reims Champagne Ardenne (URCA), UFR Sciences Exactes et Naturelles, Moulin de la Housse, BP1039, 51687, Reims Cedex 2, France.
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Wei M, Wang PG. Desialylation in physiological and pathological processes: New target for diagnostic and therapeutic development. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2019; 162:25-57. [PMID: 30905454 DOI: 10.1016/bs.pmbts.2018.12.001] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Abstract
Desialylation is a pivotal part of sialic acid metabolism, which initiates the catabolism of glycans by removing the terminal sialic acid residues on glycans, thereby modulating the structure and functions of glycans, glycoproteins, or glycolipids. The functions of sialic acids have been well recognized, whereas the function of desialylation process is underappreciated or largely ignored. However, accumulating evidence demonstrates that desialylation plays an important role in a variety of physiological and pathological processes. This chapter summarizes the current knowledge pertaining to desialylation in a variety of physiological and pathological processes, with a focus on the underlying molecular mechanisms. The potential of targeting desialylation process for diagnostic and therapeutic development is also discussed.
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Affiliation(s)
- Mohui Wei
- Department of Surgery, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, MA, United States.
| | - Peng George Wang
- Department of Chemistry, Center for Diagnostics and Therapeutics, Georgia State University, Atlanta, GA, United States
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42
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Ngai D, Lino M, Bendeck MP. Cell-Matrix Interactions and Matricrine Signaling in the Pathogenesis of Vascular Calcification. Front Cardiovasc Med 2018; 5:174. [PMID: 30581820 PMCID: PMC6292870 DOI: 10.3389/fcvm.2018.00174] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Accepted: 11/21/2018] [Indexed: 12/15/2022] Open
Abstract
Vascular calcification is a complex pathological process occurring in patients with atherosclerosis, type 2 diabetes, and chronic kidney disease. The extracellular matrix, via matricrine-receptor signaling plays important roles in the pathogenesis of calcification. Calcification is mediated by osteochondrocytic-like cells that arise from transdifferentiating vascular smooth muscle cells. Recent advances in our understanding of the plasticity of vascular smooth muscle cell and other cells of mesenchymal origin have furthered our understanding of how these cells transdifferentiate into osteochondrocytic-like cells in response to environmental cues. In the present review, we examine the role of the extracellular matrix in the regulation of cell behavior and differentiation in the context of vascular calcification. In pathological calcification, the extracellular matrix not only provides a scaffold for mineral deposition, but also acts as an active signaling entity. In recent years, extracellular matrix components have been shown to influence cellular signaling through matrix receptors such as the discoidin domain receptor family, integrins, and elastin receptors, all of which can modulate osteochondrocytic differentiation and calcification. Changes in extracellular matrix stiffness and composition are detected by these receptors which in turn modulate downstream signaling pathways and cytoskeletal dynamics, which are critical to osteogenic differentiation. This review will focus on recent literature that highlights the role of cell-matrix interactions and how they influence cellular behavior, and osteochondrocytic transdifferentiation in the pathogenesis of cardiovascular calcification.
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Affiliation(s)
- David Ngai
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.,Ted Rogers Centre for Heart Research, University of Toronto, Toronto, ON, Canada
| | - Marsel Lino
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.,Ted Rogers Centre for Heart Research, University of Toronto, Toronto, ON, Canada
| | - Michelle P Bendeck
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Toronto, ON, Canada.,Ted Rogers Centre for Heart Research, University of Toronto, Toronto, ON, Canada.,Department of Medicine, University of Toronto, Toronto, ON, Canada
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Qorri B, Kalaydina RV, Velickovic A, Kaplya Y, Decarlo A, Szewczuk MR. Agonist-Biased Signaling via Matrix Metalloproteinase-9 Promotes Extracellular Matrix Remodeling. Cells 2018; 7:cells7090117. [PMID: 30149671 PMCID: PMC6162445 DOI: 10.3390/cells7090117] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2018] [Revised: 08/12/2018] [Accepted: 08/23/2018] [Indexed: 12/26/2022] Open
Abstract
The extracellular matrix (ECM) is a highly dynamic noncellular structure that is crucial for maintaining tissue architecture and homeostasis. The dynamic nature of the ECM undergoes constant remodeling in response to stressors, tissue needs, and biochemical signals that are mediated primarily by matrix metalloproteinases (MMPs), which work to degrade and build up the ECM. Research on MMP-9 has demonstrated that this proteinase exists on the cell surface of many cell types in complex with G protein-coupled receptors (GPCRs), and receptor tyrosine kinases (RTKs) or Toll-like receptors (TLRs). Through a novel yet ubiquitous signaling platform, MMP-9 is found to play a crucial role not only in the direct remodeling of the ECM but also in the transactivation of associated receptors to mediate and recruit additional remodeling proteins. Here, we summarize the role of MMP-9 as it exists in a tripartite complex on the cell surface and discuss how its association with each of the TrkA receptor, Toll-like receptors, epidermal growth factor receptor, and the insulin receptor contributes to various aspects of ECM remodeling.
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Affiliation(s)
- Bessi Qorri
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON K7L 3N6, Canada.
| | | | - Aleksandra Velickovic
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON K7L 3N6, Canada.
| | - Yekatrina Kaplya
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON K7L 3N6, Canada.
| | - Alexandria Decarlo
- Department of Biology, Biosciences Complex, Queen's University, Kingston, ON K7L 3N6, Canada.
| | - Myron R Szewczuk
- Department of Biomedical and Molecular Sciences, Queen's University, Kingston, ON K7L 3N6, Canada.
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Unique nuclear localization of Nile tilapia ( Oreochromis niloticus ) Neu4 sialidase is regulated by nuclear transport receptor importin α/β. Biochimie 2018; 149:92-104. [DOI: 10.1016/j.biochi.2018.04.003] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2017] [Accepted: 04/04/2018] [Indexed: 02/02/2023]
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Cocciolone AJ, Hawes JZ, Staiculescu MC, Johnson EO, Murshed M, Wagenseil JE. Elastin, arterial mechanics, and cardiovascular disease. Am J Physiol Heart Circ Physiol 2018; 315:H189-H205. [PMID: 29631368 DOI: 10.1152/ajpheart.00087.2018] [Citation(s) in RCA: 154] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Large, elastic arteries are composed of cells and a specialized extracellular matrix that provides reversible elasticity and strength. Elastin is the matrix protein responsible for this reversible elasticity that reduces the workload on the heart and dampens pulsatile flow in distal arteries. Here, we summarize the elastin protein biochemistry, self-association behavior, cross-linking process, and multistep elastic fiber assembly that provide large arteries with their unique mechanical properties. We present measures of passive arterial mechanics that depend on elastic fiber amounts and integrity such as the Windkessel effect, structural and material stiffness, and energy storage. We discuss supravalvular aortic stenosis and autosomal dominant cutis laxa-1, which are genetic disorders caused by mutations in the elastin gene. We present mouse models of supravalvular aortic stenosis, autosomal dominant cutis laxa-1, and graded elastin amounts that have been invaluable for understanding the role of elastin in arterial mechanics and cardiovascular disease. We summarize acquired diseases associated with elastic fiber defects, including hypertension and arterial stiffness, diabetes, obesity, atherosclerosis, calcification, and aneurysms and dissections. We mention animal models that have helped delineate the role of elastic fiber defects in these acquired diseases. We briefly summarize challenges and recent advances in generating functional elastic fibers in tissue-engineered arteries. We conclude with suggestions for future research and opportunities for therapeutic intervention in genetic and acquired elastinopathies.
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Affiliation(s)
- Austin J Cocciolone
- Department of Biomedical Engineering, Washington University , St. Louis, Missouri
| | - Jie Z Hawes
- Department of Mechanical Engineering and Materials Science, Washington University , St. Louis, Missouri
| | - Marius C Staiculescu
- Department of Mechanical Engineering and Materials Science, Washington University , St. Louis, Missouri
| | - Elizabeth O Johnson
- Department of Mechanical Engineering and Materials Science, Washington University , St. Louis, Missouri
| | - Monzur Murshed
- Faculty of Dentistry, Department of Medicine, and Shriners Hospital for Children, McGill University , Montreal, Quebec , Canada
| | - Jessica E Wagenseil
- Department of Mechanical Engineering and Materials Science, Washington University , St. Louis, Missouri
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Biased G protein-coupled receptor agonism mediates Neu1 sialidase and matrix metalloproteinase-9 crosstalk to induce transactivation of insulin receptor signaling. Cell Signal 2018; 43:71-84. [DOI: 10.1016/j.cellsig.2017.12.006] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Revised: 11/26/2017] [Accepted: 12/21/2017] [Indexed: 11/19/2022]
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Tejwani V, Andersen MR, Nam JH, Sharfstein ST. Glycoengineering in CHO Cells: Advances in Systems Biology. Biotechnol J 2018; 13:e1700234. [PMID: 29316325 DOI: 10.1002/biot.201700234] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Revised: 12/28/2017] [Indexed: 12/19/2022]
Abstract
For several decades, glycoprotein biologics have been successfully produced from Chinese hamster ovary (CHO) cells. The therapeutic efficacy and potency of glycoprotein biologics are often dictated by their post-translational modifications, particularly glycosylation, which unlike protein synthesis, is a non-templated process. Consequently, both native and recombinant glycoprotein production generate heterogeneous mixtures containing variable amounts of different glycoforms. Stability, potency, plasma half-life, and immunogenicity of the glycoprotein biologic are directly influenced by the glycoforms. Recently, CHO cells have also been explored for production of therapeutic glycosaminoglycans (e.g., heparin), which presents similar challenges as producing glycoproteins biologics. Approaches to controlling heterogeneity in CHO cells and directing the biosynthetic process toward desired glycoforms are not well understood. A systems biology approach combining different technologies is needed for complete understanding of the molecular processes accounting for this variability and to open up new venues in cell line development. In this review, we describe several advances in genetic manipulation, modeling, and glycan and glycoprotein analysis that together will provide new strategies for glycoengineering of CHO cells with desired or enhanced glycosylation capabilities.
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Affiliation(s)
- Vijay Tejwani
- Colleges of Nanoscale Science and Engineering, SUNY Polytechnic Institute, 257 Fuller Road, Albany, NY, 12203, USA
| | - Mikael R Andersen
- Department of Biotechnology and Biomedicine, Technical University of Denmark, Lyngby, Denmark
| | | | - Susan T Sharfstein
- Colleges of Nanoscale Science and Engineering, SUNY Polytechnic Institute, 257 Fuller Road, Albany, NY, 12203, USA
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Hyun SW, Liu A, Liu Z, Lillehoj EP, Madri JA, Reynolds AB, Goldblum SE. As human lung microvascular endothelia achieve confluence, src family kinases are activated, and tyrosine-phosphorylated p120 catenin physically couples NEU1 sialidase to CD31. Cell Signal 2017; 35:1-15. [DOI: 10.1016/j.cellsig.2017.03.014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2016] [Revised: 03/22/2017] [Accepted: 03/22/2017] [Indexed: 01/15/2023]
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49
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Sasaki N, Itakura Y, Toyoda M. Sialylation regulates myofibroblast differentiation of human skin fibroblasts. Stem Cell Res Ther 2017; 8:81. [PMID: 28420408 PMCID: PMC5395757 DOI: 10.1186/s13287-017-0534-1] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2017] [Revised: 02/26/2017] [Accepted: 03/11/2017] [Indexed: 12/21/2022] Open
Abstract
Background Fibroblasts are key players in maintaining skin homeostasis and in orchestrating physiological tissue repair and skin regeneration. Dysfunctions in fibroblasts that occur with aging and the senescent process lead to the delayed healing observed in elderly people. The molecular mechanisms leading to fibroblast dysfunction during aging and the senescent process have not yet been clarified. Previously, changes in patterns of glycosylation were observed in fibroblasts in aging and the senescent process, but the effect of these changes on the function of fibroblasts has not been well documented. Here, we investigated whether changes in glycosylation during the process to senescence may have functional effects on fibroblasts. Methods The changes in cell surface glycans on skin fibroblasts during the process to senescence were examined in early-passage (EP) and late-passage (LP) skin fibroblasts by fluorescence-activated cell sorting analysis using lectins. The contributors to the changes in cell surface glycans were examined by real-time polymerase chain reaction or Western blot analysis. The effects of changes in glycosylation on proliferation, migration, induction of cellular senescence, and myofibroblast differentiation induced by transforming growth factor (TGF)-β1 stimulation were examined in EP fibroblasts. The changes in glycosylation were performed by GalNAc-α-O-benzyl or sialidase treatment. Results A decrease in sialylation of glycoproteins and an increase in sialidase NEU1 were observed in LP fibroblasts. The reduction of sialylation did not have any effect on proliferation, migration, or induction of cellular senescence. On the other hand, myofibroblast differentiation was inhibited by the reduction of sialylation, indicating that sialylation is important for myofibroblast differentiation. The localization of CD44 in lipid rafts, which is required for myofibroblast differentiation, was inhibited by the reduction of sialylation. Furthermore, reduced myofibroblast differentiation in LP fibroblasts was restored by a sialidase inhibitor. Conclusions Desialylation of CD44 with increased sialidase during the process to senescence reduced the localization of CD44 in lipid rafts after TGF-β1 stimulation, leading to the inhibition of myofibroblast differentiation. Thus, regulation of sialylation may be an attractive strategy for the prevention and regenerative therapy of age-related skin diseases, cosmetic skin alterations, and chronic wounds caused by delayed healing in elderly people. Electronic supplementary material The online version of this article (doi:10.1186/s13287-017-0534-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Norihiko Sasaki
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Sakaecho 35-2, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Yoko Itakura
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Sakaecho 35-2, Itabashi-ku, Tokyo, 173-0015, Japan
| | - Masashi Toyoda
- Research Team for Geriatric Medicine (Vascular Medicine), Tokyo Metropolitan Institute of Gerontology, Sakaecho 35-2, Itabashi-ku, Tokyo, 173-0015, Japan.
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Abstract
Chinese hamster ovary (CHO) cells represent the predominant platform in biopharmaceutical industry for the production of recombinant biotherapeutic proteins, especially glycoproteins. These glycoproteins include oligosaccharide or glycan attachments that represent one of the principal components dictating product quality. Especially important are the N-glycan attachments present on many recombinant glycoproteins of commercial interest. Furthermore, altering the glycan composition can be used to modulate the production quality of a recombinant biotherapeutic from CHO and other mammalian hosts. This review first describes the glycosylation network in mammalian cells and compares the glycosylation patterns between CHO and human cells. Next genetic strategies used in CHO cells to modulate the sialylation patterns through overexpression of sialyltransfereases and other glycosyltransferases are summarized. In addition, other approaches to alter sialylation including manipulation of sialic acid biosynthetic pathways and inhibition of sialidases are described. Finally, this review also covers other strategies such as the glycosylation site insertion and manipulation of glycan heterogeneity to produce desired glycoforms for diverse biotechnology applications.
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Affiliation(s)
- Qiong Wang
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, 3400 N. Charles St., 220 Maryland Hall, Baltimore, MD, 21218, USA
| | - Bojiao Yin
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, 3400 N. Charles St., 220 Maryland Hall, Baltimore, MD, 21218, USA
| | - Cheng-Yu Chung
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, 3400 N. Charles St., 220 Maryland Hall, Baltimore, MD, 21218, USA
| | - Michael J Betenbaugh
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, 3400 N. Charles St., 220 Maryland Hall, Baltimore, MD, 21218, USA.
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