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Lunghi G, Carsana EV, Loberto N, Cioccarelli L, Prioni S, Mauri L, Bassi R, Duga S, Straniero L, Asselta R, Soldà G, Di Fonzo A, Frattini E, Magni M, Liessi N, Armirotti A, Ferrari E, Samarani M, Aureli M. β-Glucocerebrosidase Deficiency Activates an Aberrant Lysosome-Plasma Membrane Axis Responsible for the Onset of Neurodegeneration. Cells 2022; 11:cells11152343. [PMID: 35954187 PMCID: PMC9367513 DOI: 10.3390/cells11152343] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 07/25/2022] [Accepted: 07/27/2022] [Indexed: 02/06/2023] Open
Abstract
β-glucocerebrosidase is a lysosomal hydrolase involved in the catabolism of the sphingolipid glucosylceramide. Biallelic loss of function mutations in this enzyme are responsible for the onset of Gaucher disease, while monoallelic β-glucocerebrosidase mutations represent the first genetic risk factor for Parkinson’s disease. Despite this evidence, the molecular mechanism linking the impairment in β-glucocerebrosidase activity with the onset of neurodegeneration in still unknown. In this frame, we developed two in vitro neuronal models of β-glucocerebrosidase deficiency, represented by mouse cerebellar granule neurons and human-induced pluripotent stem cells-derived dopaminergic neurons treated with the specific β-glucocerebrosidase inhibitor conduritol B epoxide. Neurons deficient for β-glucocerebrosidase activity showed a lysosomal accumulation of glucosylceramide and the onset of neuronal damage. Moreover, we found that neurons react to the lysosomal impairment by the induction of their biogenesis and exocytosis. This latter event was responsible for glucosylceramide accumulation also at the plasma membrane level, with an alteration in lipid and protein composition of specific signaling microdomains. Collectively, our data suggest that β-glucocerebrosidase loss of function impairs the lysosomal compartment, establishing a lysosome–plasma membrane axis responsible for modifications in the plasma membrane architecture and possible alterations of intracellular signaling pathways, leading to neuronal damage.
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Affiliation(s)
- Giulia Lunghi
- Department of Medical Biotechnology and Translational Medicine, University of Milan, 20054 Milan, Italy; (G.L.); (E.V.C.); (N.L.); (L.C.); (S.P.); (L.M.); (R.B.)
| | - Emma Veronica Carsana
- Department of Medical Biotechnology and Translational Medicine, University of Milan, 20054 Milan, Italy; (G.L.); (E.V.C.); (N.L.); (L.C.); (S.P.); (L.M.); (R.B.)
| | - Nicoletta Loberto
- Department of Medical Biotechnology and Translational Medicine, University of Milan, 20054 Milan, Italy; (G.L.); (E.V.C.); (N.L.); (L.C.); (S.P.); (L.M.); (R.B.)
| | - Laura Cioccarelli
- Department of Medical Biotechnology and Translational Medicine, University of Milan, 20054 Milan, Italy; (G.L.); (E.V.C.); (N.L.); (L.C.); (S.P.); (L.M.); (R.B.)
| | - Simona Prioni
- Department of Medical Biotechnology and Translational Medicine, University of Milan, 20054 Milan, Italy; (G.L.); (E.V.C.); (N.L.); (L.C.); (S.P.); (L.M.); (R.B.)
| | - Laura Mauri
- Department of Medical Biotechnology and Translational Medicine, University of Milan, 20054 Milan, Italy; (G.L.); (E.V.C.); (N.L.); (L.C.); (S.P.); (L.M.); (R.B.)
| | - Rosaria Bassi
- Department of Medical Biotechnology and Translational Medicine, University of Milan, 20054 Milan, Italy; (G.L.); (E.V.C.); (N.L.); (L.C.); (S.P.); (L.M.); (R.B.)
| | - Stefano Duga
- Department of Biomedical Sciences, Humanitas University, 20090 Milan, Italy; (S.D.); (L.S.); (R.A.); (G.S.)
- Humanitas Clinical and Research Center—IRCCS, Via Manzoni 56, 20072 Milan, Italy
| | - Letizia Straniero
- Department of Biomedical Sciences, Humanitas University, 20090 Milan, Italy; (S.D.); (L.S.); (R.A.); (G.S.)
- Humanitas Clinical and Research Center—IRCCS, Via Manzoni 56, 20072 Milan, Italy
| | - Rosanna Asselta
- Department of Biomedical Sciences, Humanitas University, 20090 Milan, Italy; (S.D.); (L.S.); (R.A.); (G.S.)
- Humanitas Clinical and Research Center—IRCCS, Via Manzoni 56, 20072 Milan, Italy
| | - Giulia Soldà
- Department of Biomedical Sciences, Humanitas University, 20090 Milan, Italy; (S.D.); (L.S.); (R.A.); (G.S.)
- Humanitas Clinical and Research Center—IRCCS, Via Manzoni 56, 20072 Milan, Italy
| | - Alessio Di Fonzo
- IRCCS Foundation Ca’ Granda Ospedale Maggiore Policlinico, Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy; (A.D.F.); (E.F.); (M.M.)
| | - Emanuele Frattini
- IRCCS Foundation Ca’ Granda Ospedale Maggiore Policlinico, Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy; (A.D.F.); (E.F.); (M.M.)
| | - Manuela Magni
- IRCCS Foundation Ca’ Granda Ospedale Maggiore Policlinico, Dino Ferrari Center, Neuroscience Section, Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy; (A.D.F.); (E.F.); (M.M.)
| | - Nara Liessi
- Analytical Chemistry Facility, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy; (N.L.); (A.A.)
| | - Andrea Armirotti
- Analytical Chemistry Facility, Fondazione Istituto Italiano di Tecnologia, Via Morego 30, 16163 Genoa, Italy; (N.L.); (A.A.)
| | - Elena Ferrari
- Department of Pharmacological and Biomolecular Sciences, University of Milan, 20133 Milan, Italy;
| | - Maura Samarani
- Department of Cell Biology and Infection, Institut Pasteur, 75015 Paris, France;
| | - Massimo Aureli
- Department of Medical Biotechnology and Translational Medicine, University of Milan, 20054 Milan, Italy; (G.L.); (E.V.C.); (N.L.); (L.C.); (S.P.); (L.M.); (R.B.)
- Correspondence: ; Tel.: +39-025-033-0364
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Loberto N, Mancini G, Bassi R, Carsana EV, Tamanini A, Pedemonte N, Dechecchi MC, Sonnino S, Aureli M. Sphingolipids and plasma membrane hydrolases in human primary bronchial cells during differentiation and their altered patterns in cystic fibrosis. Glycoconj J 2020; 37:623-633. [PMID: 32666337 PMCID: PMC7501107 DOI: 10.1007/s10719-020-09935-x] [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: 05/23/2020] [Revised: 06/30/2020] [Accepted: 07/06/2020] [Indexed: 01/26/2023]
Abstract
Human primary bronchial epithelial cells differentiated in vitro represent a valuable tool to study lung diseases such as cystic fibrosis (CF), an inherited disorder caused by mutations in the gene coding for the Cystic Fibrosis Transmembrane Conductance Regulator. In CF, sphingolipids, a ubiquitous class of bioactive lipids mainly associated with the outer layer of the plasma membrane, seem to play a crucial role in the establishment of the severe lung complications. Nevertheless, no information on the involvement of sphingolipids and their metabolism in the differentiation of primary bronchial epithelial cells are available so far. Here we show that ceramide and globotriaosylceramide increased during cell differentiation, whereas glucosylceramide and gangliosides content decreased. In addition, we found that apical plasma membrane of differentiated bronchial cells is characterized by a higher content of sphingolipids in comparison to the other cell membranes and that activity of sphingolipids catabolic enzymes associated with this membrane results altered with respect to the total cell activities. In particular, the apical membrane of CF cells was characterized by high levels of ceramide and glucosylceramide, known to have proinflammatory activity. On this basis, our data further support the role of sphingolipids in the onset of CF lung pathology.
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Affiliation(s)
- Nicoletta Loberto
- Dip. Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, LITA, Via Fratelli Cervi 93, Segrate, Milano, 20090, Italy
| | - Giulia Mancini
- Dip. Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, LITA, Via Fratelli Cervi 93, Segrate, Milano, 20090, Italy
| | - Rosaria Bassi
- Dip. Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, LITA, Via Fratelli Cervi 93, Segrate, Milano, 20090, Italy
| | - Emma Veronica Carsana
- Dip. Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, LITA, Via Fratelli Cervi 93, Segrate, Milano, 20090, Italy
| | - Anna Tamanini
- Section of Molecular Pathology, Department of Pathology and Diagnostics, University Hospital of Verona, 37126, Verona, Italy
| | | | - Maria Cristina Dechecchi
- Section of Clinical Biochemistry, Department of Neurosciences, Biomedicine and Movement, University of Verona, 37134, Verona, Italy
| | - Sandro Sonnino
- Dip. Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, LITA, Via Fratelli Cervi 93, Segrate, Milano, 20090, Italy
| | - Massimo Aureli
- Dip. Biotecnologie Mediche e Medicina Traslazionale, Università degli Studi di Milano, LITA, Via Fratelli Cervi 93, Segrate, Milano, 20090, Italy.
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Opportunities for Lipid-Based Probes in the Field of Immunology. Curr Top Microbiol Immunol 2018; 420:283-319. [PMID: 30242513 DOI: 10.1007/82_2018_127] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
Abstract
Lipids perform a wide range of functions inside the cell, ranging from structural building block of membranes and energy storage to cell signaling. The mode of action of many signaling lipids has remained elusive due to their low abundance, high lipophilicity, and inherent instability. Various chemical biology approaches, such as photoaffinity or activity-based protein profiling methods, have been employed to shed light on the biological role of lipids and the lipid-protein interaction profile. In this review, we will summarize the recent developments in the field of chemical probes to study lipid biology, especially in immunology, and indicate potential avenues for future research.
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Hunter CD, Guo T, Daskhan G, Richards MR, Cairo CW. Synthetic Strategies for Modified Glycosphingolipids and Their Design as Probes. Chem Rev 2018; 118:8188-8241. [DOI: 10.1021/acs.chemrev.8b00070] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Carmanah D. Hunter
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Tianlin Guo
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Gour Daskhan
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Michele R. Richards
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Christopher W. Cairo
- Alberta Glycomics Centre, Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
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Evidence for the Involvement of Lipid Rafts and Plasma Membrane Sphingolipid Hydrolases in Pseudomonas aeruginosa Infection of Cystic Fibrosis Bronchial Epithelial Cells. Mediators Inflamm 2017; 2017:1730245. [PMID: 29333001 PMCID: PMC5733190 DOI: 10.1155/2017/1730245] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2017] [Revised: 08/02/2017] [Accepted: 08/30/2017] [Indexed: 12/28/2022] Open
Abstract
Cystic fibrosis (CF) is the most common autosomal genetic recessive disease caused by mutations of gene encoding for the cystic fibrosis transmembrane conductance regulator. Patients with CF display a wide spectrum of symptoms, the most severe being chronic lung infection and inflammation, which lead to onset of cystic fibrosis lung disease. Several studies indicate that sphingolipids play a regulatory role in airway inflammation. The inhibition and downregulation of GBA2, the enzyme catabolizing glucosylceramide to ceramide, are associated with a significant reduction of IL-8 production in CF bronchial epithelial cells. Herein, we demonstrate that GBA2 plays a role in the proinflammatory state characterizing CF cells. We also report for the first time that Pseudomonas aeruginosa infection causes a recruitment of plasma membrane-associated glycosphingolipid hydrolases into lipid rafts of CuFi-1-infected cells. This reorganization of cell membrane may be responsible for activation of a signaling cascade, culminating in aberrant inflammatory response in CF bronchial epithelial cells upon bacterial infection. Taken together, the presented data further support the role of sphingolipids and their metabolic enzymes in controlling the inflammatory response in CF.
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Chiricozzi E, Ciampa MG, Brasile G, Compostella F, Prinetti A, Nakayama H, Ekyalongo RC, Iwabuchi K, Sonnino S, Mauri L. Direct interaction, instrumental for signaling processes, between LacCer and Lyn in the lipid rafts of neutrophil-like cells. J Lipid Res 2014; 56:129-41. [PMID: 25418321 DOI: 10.1194/jlr.m055319] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023] Open
Abstract
Lactosylceramide [LacCer; β-Gal-(1-4)-β-Glc-(1-1)-Cer] has been shown to contain very long fatty acids that specifically modulate neutrophil properties. The interactions between LacCer and proteins and their role in cell signaling processes were assessed by synthesizing two molecular species of azide-photoactivable tritium-labeled LacCer having acyl chains of different lengths. The lengths of the two acyl chains corresponded to those of a short/medium and very long fatty acid, comparable to the lengths of stearic and lignoceric acids, respectively. These derivatives, designated C18-[(3)H]LacCer-(N3) and C24-[(3)H]LacCer-(N3), were incorporated into the lipid rafts of plasma membranes of neutrophilic differentiated HL-60 (D-HL-60) cells. C24-[(3)H]LacCer-(N3), but not C18-[(3)H]LacCer-(N3), induced the phosphorylation of Lyn and promoted phagocytosis. Incorporation of C24-[(3)H]LacCer-(N3) into plasma membranes, followed by illumination, resulted in the formation of several tritium-labeled LacCer-protein complexes, including the LacCer-Lyn complex, into plasma membrane lipid rafts. Administration of C18-[(3)H]LacCer-(N3) to cells, however, did not result in the formation of the LacCer-Lyn complex. These results suggest that LacCer derivatives mimic the biological properties of natural LacCer species and can be utilized as tools to study LacCer-protein interactions, and confirm a specific direct interaction between LacCer species containing very long fatty acids, and Lyn protein, associated with the cytoplasmic layer via myristic/palmitic chains.
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Affiliation(s)
- Elena Chiricozzi
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
| | - Maria Grazia Ciampa
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
| | - Giuseppina Brasile
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
| | - Federica Compostella
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
| | - Alessandro Prinetti
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
| | - Hitoshi Nakayama
- Institute for Environmental Gender-Specific Medicine, Juntendo University Graduate School of Medicine, Chiba, Japan
| | - Roudy C Ekyalongo
- Institute for Environmental Gender-Specific Medicine, Juntendo University Graduate School of Medicine, Chiba, Japan
| | - Kazuhisa Iwabuchi
- Institute for Environmental Gender-Specific Medicine, Juntendo University Graduate School of Medicine, Chiba, Japan
| | - Sandro Sonnino
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
| | - Laura Mauri
- Department of Medical Biotechnology and Translational Medicine, University of Milan, Milano, Italy
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Qin J, Dawson G. Evidence for coordination of lysosomal (ASMase) and plasma membrane (NSMase2) forms of sphingomyelinase from mutant mice. FEBS Lett 2012; 586:4002-9. [PMID: 23046545 PMCID: PMC3498985 DOI: 10.1016/j.febslet.2012.09.039] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2012] [Revised: 09/24/2012] [Accepted: 09/25/2012] [Indexed: 01/01/2023]
Abstract
NSMase2 is associated to the plasma membrane, whereas ASMase is predominantly lysosomal; both hydrolyze sphingomyelin (SM) to ceramide and phosphocholine. Although SM accumulated in both ASMase(-/-) and fro/fro (NSMase2(-/-)) fibroblasts, the reduction of ceramides was more dramatic in fro/fro cells. ASMase mRNA, protein and enzyme activity were substantially elevated in fro/fro fibroblasts. In contrast, NSMase2 activity was unaffected in ASMase(-/-) fibroblasts. ASMase(-/-) cells showed normal cell cycling whereas fro/fro cells grew slowly and were arrested in G1/G0 and could be corrected by transfection with smpd3 gene. This suggests two distinct subcellular pathways for SM catabolism with distinct functions.
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Affiliation(s)
- Jingdong Qin
- Department of Pediatrics, University of Chicago, Chicago, Illinois 60637
| | - Glyn Dawson
- Department of Pediatrics, University of Chicago, Chicago, Illinois 60637
- Department of Biochemistry and Molecular Biology, University of Chicago, Chicago, Illinois 60637
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A practical route to long-chain non-natural α,ω-diamino acids. Amino Acids 2012; 44:435-41. [DOI: 10.1007/s00726-012-1349-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2012] [Accepted: 06/21/2012] [Indexed: 10/28/2022]
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Ionizing radiations increase the activity of the cell surface glycohydrolases and the plasma membrane ceramide content. Glycoconj J 2012; 29:585-97. [PMID: 22592846 DOI: 10.1007/s10719-012-9385-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2011] [Revised: 04/16/2012] [Accepted: 04/24/2012] [Indexed: 10/28/2022]
Abstract
We detected significant levels of β-glucosidase, β-galactosidase, sialidase Neu3 and sphingomyelinase activities associated with the plasma membrane of fibroblasts from normal and Niemann-Pick subjects and of cells from breast, ovary, colon and neuroblastoma tumors in culture. All of the cells subjected to ionizing radiations showed an increase of the activity of plasma membrane β-glucosidase, β-galactosidase and sialidase Neu3, in addition of the well known increase of activity of plasma membrane sphingomyelinase, under similar conditions. Human breast cancer cell line T47D was studied in detail. In these cells the increase of activity of β-glucosidase and β-galactosidase was parallel to the increase of irradiation dose up to 60 Gy and continued with time, at least up to 72 h from irradiation. β-glucosidase increased up to 17 times and β-galactosidase up to 40 times with respect to control. Sialidase Neu3 and sphingomyelinase increased about 2 times at a dose of 20 Gy but no further significant differences were observed with increase of radiation dose and time. After irradiation, we observed a reduction of cell proliferation, an increase of apoptotic cell death and an increase of plasma membrane ceramide up to 3 times, with respect to control cells. Tritiated GM3 ganglioside has been administered to T47D cells under conditions that prevented the lysosomal catabolism. GM3 became component of the plasma membranes and was transformed into LacCer, GlcCer and ceramide. The quantity of ceramide produced in irradiated cells was about two times that of control cells.
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