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Domingues N, Catarino S, Cristóvão B, Rodrigues L, Carvalho FA, Sarmento MJ, Zuzarte M, Almeida J, Ribeiro-Rodrigues T, Correia-Rodrigues Â, Fernandes F, Rodrigues-Santos P, Aasen T, Santos NC, Korolchuk VI, Gonçalves T, Milosevic I, Raimundo N, Girão H. Connexin43 promotes exocytosis of damaged lysosomes through actin remodelling. EMBO J 2024; 43:3627-3649. [PMID: 39044100 PMCID: PMC11377567 DOI: 10.1038/s44318-024-00177-3] [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: 12/11/2023] [Revised: 07/04/2024] [Accepted: 07/09/2024] [Indexed: 07/25/2024] Open
Abstract
A robust and efficient cellular response to lysosomal membrane damage prevents leakage from the lysosome lumen into the cytoplasm. This response is understood to happen through either lysosomal membrane repair or lysophagy. Here we report exocytosis as a third response mechanism to lysosomal damage, which is further potentiated when membrane repair or lysosomal degradation mechanisms are impaired. We show that Connexin43 (Cx43), a protein canonically associated with gap junctions, is recruited from the plasma membrane to damaged lysosomes, promoting their secretion and accelerating cell recovery. The effects of Cx43 on lysosome exocytosis are mediated by a reorganization of the actin cytoskeleton that increases plasma membrane fluidity and decreases cell stiffness. Furthermore, we demonstrate that Cx43 interacts with the actin nucleator Arp2, the activity of which was shown to be necessary for Cx43-mediated actin rearrangement and lysosomal exocytosis following damage. These results define a novel mechanism of lysosomal quality control whereby Cx43-mediated actin remodelling potentiates the secretion of damaged lysosomes.
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Affiliation(s)
- Neuza Domingues
- Univ Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Centre for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
- Clinical and Academic Centre of Coimbra, Coimbra, Portugal
- Multidisciplinary Institute of Ageing, University of Coimbra, Coimbra, Portugal
| | - Steve Catarino
- Univ Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Centre for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
- Clinical and Academic Centre of Coimbra, Coimbra, Portugal
| | - Beatriz Cristóvão
- Univ Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Centre for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
- Clinical and Academic Centre of Coimbra, Coimbra, Portugal
| | - Lisa Rodrigues
- Univ Coimbra, Center for Neurosciences and Cell Biology (CNC), Coimbra, Portugal
| | - Filomena A Carvalho
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Maria João Sarmento
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Mónica Zuzarte
- Univ Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Centre for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
- Clinical and Academic Centre of Coimbra, Coimbra, Portugal
| | - Jani Almeida
- Univ Coimbra, Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Centre for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
- Clinical and Academic Centre of Coimbra, Coimbra, Portugal
- Univ Coimbra, Center for Neurosciences and Cell Biology (CNC), Coimbra, Portugal
| | - Teresa Ribeiro-Rodrigues
- Univ Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Centre for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
- Clinical and Academic Centre of Coimbra, Coimbra, Portugal
| | - Ânia Correia-Rodrigues
- Univ Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Centre for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
- Clinical and Academic Centre of Coimbra, Coimbra, Portugal
| | - Fábio Fernandes
- Institute for Bioengineering and Biosciences (IBB) and Associate Laboratory i4HB-Institute for Health and Bioeconomy, Department of Bioengineering, Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
| | - Paulo Rodrigues-Santos
- Univ Coimbra, Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Centre for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
- Clinical and Academic Centre of Coimbra, Coimbra, Portugal
- Univ Coimbra, Center for Neurosciences and Cell Biology (CNC), Coimbra, Portugal
| | - Trond Aasen
- Vall d'Hebron Research Institute (VHIR), Barcelona, Spain
| | - Nuno C Santos
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Lisboa, Portugal
| | - Viktor I Korolchuk
- Biosciences Institute, Faculty of Medical Sciences, Newcastle University, Newcastle, UK
| | - Teresa Gonçalves
- Univ Coimbra, Faculty of Medicine, Coimbra, Portugal
- Univ Coimbra, Centre for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal
- Univ Coimbra, Center for Neurosciences and Cell Biology (CNC), Coimbra, Portugal
| | - Ira Milosevic
- Multidisciplinary Institute of Ageing, University of Coimbra, Coimbra, Portugal
- University of Oxford, Centre for Human Genetics, Nuffield Department of Medicine, Oxford, UK
| | - Nuno Raimundo
- Multidisciplinary Institute of Ageing, University of Coimbra, Coimbra, Portugal
- Department of Cellular and Molecular Physiology, Penn State College of Medicine, Hershey, PA, USA
| | - Henrique Girão
- Univ Coimbra, Coimbra Institute for Clinical and Biomedical Research (iCBR), Faculty of Medicine, Coimbra, Portugal.
- Univ Coimbra, Faculty of Medicine, Coimbra, Portugal.
- Univ Coimbra, Centre for Innovative Biomedicine and Biotechnology (CIBB), Coimbra, Portugal.
- Clinical and Academic Centre of Coimbra, Coimbra, Portugal.
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Smirnova O, Efremov Y, Klyucherev T, Peshkova M, Senkovenko A, Svistunov A, Timashev P. Direct and cell-mediated EV-ECM interplay. Acta Biomater 2024:S1742-7061(24)00401-X. [PMID: 39043290 DOI: 10.1016/j.actbio.2024.07.029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2024] [Revised: 07/07/2024] [Accepted: 07/17/2024] [Indexed: 07/25/2024]
Abstract
Extracellular vesicles (EV) are a heterogeneous group of lipid particles excreted by cells. They play an important role in regeneration, development, inflammation, and cancer progression, together with the extracellular matrix (ECM), which they constantly interact with. In this review, we discuss direct and indirect interactions of EVs and the ECM and their impact on different physiological processes. The ECM affects the secretion of EVs, and the properties of the ECM and EVs modulate EVs' diffusion and adhesion. On the other hand, EVs can affect the ECM both directly through enzymes and indirectly through the modulation of the ECM synthesis and remodeling by cells. This review emphasizes recently discovered types of EVs bound to the ECM and isolated by enzymatic digestion, including matrix-bound nanovesicles (MBV) and tissue-derived EV (TiEV). In addition to the experimental studies, computer models of the EV-ECM-cell interactions, from all-atom models to quantitative pharmacology models aiming to improve our understanding of the interaction mechanisms, are also considered. STATEMENT OF SIGNIFICANCE: Application of extracellular vesicles in tissue engineering is an actively developing area. Vesicles not only affect cells themselves but also interact with the matrix and change it. The matrix also influences both cells and vesicles. In this review, different possible types of interactions between vesicles, matrix, and cells are discussed. Furthermore, the united EV-ECM system and its regulation through the cellular activity are presented.
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Affiliation(s)
- Olga Smirnova
- Institute for Regenerative Medicine, Sechenov University, 119991 Moscow, Russia
| | - Yuri Efremov
- Institute for Regenerative Medicine, Sechenov University, 119991 Moscow, Russia
| | - Timofey Klyucherev
- Institute for Regenerative Medicine, Sechenov University, 119991 Moscow, Russia
| | - Maria Peshkova
- Institute for Regenerative Medicine, Sechenov University, 119991 Moscow, Russia; World-Class Research Center "Digital Biodesign and Personalized Healthcare", Sechenov University, 119991 Moscow, Russia
| | - Alexey Senkovenko
- Institute for Regenerative Medicine, Sechenov University, 119991 Moscow, Russia
| | | | - Peter Timashev
- Institute for Regenerative Medicine, Sechenov University, 119991 Moscow, Russia; World-Class Research Center "Digital Biodesign and Personalized Healthcare", Sechenov University, 119991 Moscow, Russia; Chemistry Department, Lomonosov Moscow State University, 119991 Moscow, Russia.
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Ashique S, Kumar N, Mishra N, Muthu S, Rajendran RL, Chandrasekaran B, Obeng BF, Hong CM, Krishnan A, Ahn BC, Gangadaran P. Unveiling the role of exosomes as cellular messengers in neurodegenerative diseases and their potential therapeutic implications. Pathol Res Pract 2024; 260:155451. [PMID: 39002435 DOI: 10.1016/j.prp.2024.155451] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2024] [Revised: 07/03/2024] [Accepted: 07/05/2024] [Indexed: 07/15/2024]
Abstract
Exosomes are a subgroup of extracellular vesicles that function as transmitters, allowing cells to communicate more effectively with each other. However, exosomes may have both beneficial and harmful impacts on central nervous system disorders. Hence, the fundamental molecular mechanisms of the origin of illness and its progression are currently being investigated. The involvement of exosomes in the origin and propagation of neurodegenerative illness has been demonstrated recently. Exosomes provide a representation of the intracellular environment since they include various essential bioactive chemicals. The latest studies have demonstrated that exosomes transport several proteins. Additionally, these physiological vesicles are important in the regeneration of nervous tissue and the healing of neuronal lesions. They also offer a microenvironment to stimulate the conformational variation of concerning proteins for aggregation, resulting in neurodegenerative diseases. The biosynthesis, composition, and significance of exosomes as extracellular biomarkers in neurodegenerative disorders are discussed in this article, with a particular emphasis on their neuroprotective effects.
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Affiliation(s)
- Sumel Ashique
- Department of Pharmaceutics, Bengal College of Pharmaceutical Sciences & Research, Durgapur, West Bengal 713212, India; Research Scholar, School of Pharmaceutical Sciences, Lovely Professional University, Phagwara, Punjab 144411, India
| | - Nitish Kumar
- SRM Modinagar College of Pharmacy, SRM Institute of Science and Technology (Deemed to be University), Delhi-NCR Campus, Modinagar, Ghaziabad, Uttar Pradesh 201204, India
| | - Neeraj Mishra
- Amity Institute of Pharmacy, Amity University Madhya Pradesh (AUMP), Gwalior, Madhya Pradesh 474005, India
| | - Sathish Muthu
- Department of Orthopaedics, Orthopaedic Research Group, Coimbatore, Tamil Nadu 641045, India; Department of Biotechnology, Faculty of Engineering, Karpagam Academy of Higher Education, Coimbatore, Tamil Nadu 641021, India
| | - Ramya Lakshmi Rajendran
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Daegu 41944, the Republic of Korea
| | | | - Brenya Francis Obeng
- Faculty of Science, College of Health and Allied Sciences, School of Medical Sciences, University of Cape Coast, PMB, Cape Coast, Ghana
| | - Chae Moon Hong
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Daegu 41944, the Republic of Korea; Department of Nuclear Medicine, Kyungpook National University Hospital, Daegu 41944, the Republic of Korea
| | - Anand Krishnan
- Department of Chemical Pathology, School of Pathology, Faculty of Health Sciences, University of the Free State, Bloemfontein 9300, South Africa.
| | - Byeong-Cheol Ahn
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Daegu 41944, the Republic of Korea; BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, the Republic of Korea; Department of Nuclear Medicine, Kyungpook National University Hospital, Daegu 41944, the Republic of Korea.
| | - Prakash Gangadaran
- Department of Nuclear Medicine, School of Medicine, Kyungpook National University, Daegu 41944, the Republic of Korea; BK21 FOUR KNU Convergence Educational Program of Biomedical Sciences for Creative Future Talents, Department of Biomedical Science, School of Medicine, Kyungpook National University, Daegu 41944, the Republic of Korea.
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Larey AM, Spoerer TM, Daga KR, Morfin MG, Hynds HM, Carpenter J, Hines KM, Marklein RA. High throughput screening of mesenchymal stromal cell morphological response to inflammatory signals for bioreactor-based manufacturing of extracellular vesicles that modulate microglia. Bioact Mater 2024; 37:153-171. [PMID: 38549769 PMCID: PMC10972802 DOI: 10.1016/j.bioactmat.2024.03.009] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2023] [Revised: 02/14/2024] [Accepted: 03/07/2024] [Indexed: 04/09/2024] Open
Abstract
Due to their immunomodulatory function, mesenchymal stromal cells (MSCs) are a promising therapeutic with the potential to treat neuroinflammation associated with neurodegenerative diseases. This function is mediated by secreted extracellular vesicles (MSC-EVs). Despite established safety, MSC clinical translation has been unsuccessful due to inconsistent clinical outcomes resulting from functional heterogeneity. Current approaches to mitigate functional heterogeneity include 'priming' MSCs with inflammatory signals to enhance function. However, comprehensive evaluation of priming and its effects on MSC-EV function has not been performed. Furthermore, clinical translation of MSC-EV therapies requires significant manufacturing scale-up, yet few studies have investigated the effects of priming in bioreactors. As MSC morphology has been shown to predict their immunomodulatory function, we screened MSC morphological response to an array of priming signals and evaluated MSC-EV identity and potency in response to priming in flasks and bioreactors. We identified unique priming conditions corresponding to distinct morphologies. These conditions demonstrated a range of MSC-EV preparation quality and lipidome, allowing us to discover a novel MSC-EV manufacturing condition, as well as gain insight into potential mechanisms of MSC-EV microglia modulation. Our novel screening approach and application of priming to MSC-EV bioreactor manufacturing informs refinement of larger-scale manufacturing and enhancement of MSC-EV function.
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Affiliation(s)
- Andrew M. Larey
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, USA
- Regenerative Bioscience Center, University of Georgia, Athens, GA, USA
| | - Thomas M. Spoerer
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, USA
- Regenerative Bioscience Center, University of Georgia, Athens, GA, USA
| | - Kanupriya R. Daga
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, USA
- Regenerative Bioscience Center, University of Georgia, Athens, GA, USA
| | - Maria G. Morfin
- Regenerative Bioscience Center, University of Georgia, Athens, GA, USA
| | - Hannah M. Hynds
- Department of Chemistry, University of Georgia, Athens, GA, USA
| | - Jana Carpenter
- Department of Chemistry, University of Georgia, Athens, GA, USA
| | - Kelly M. Hines
- Department of Chemistry, University of Georgia, Athens, GA, USA
| | - Ross A. Marklein
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, USA
- Regenerative Bioscience Center, University of Georgia, Athens, GA, USA
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Chen J, Ding Y, Jiang C, Qu R, Wren JD, Georgescu C, Wang X, Reuter DN, Liu B, Giles CB, Mayr CH, Schiller HB, Dai J, Stipp CS, Subramaniyan B, Wang J, Zuo H, Huang C, Fung KM, Rice HC, Sonnenberg A, Wu D, Walters MS, Zhao YY, Kanie T, Hays FA, Papin JF, Wang DW, Zhang XA. CD151 Maintains Endolysosomal Protein Quality to Inhibit Vascular Inflammation. Circ Res 2024; 134:1330-1347. [PMID: 38557119 PMCID: PMC11081830 DOI: 10.1161/circresaha.123.323190] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/06/2023] [Accepted: 03/19/2024] [Indexed: 04/04/2024]
Abstract
BACKGROUND Tetraspanin CD151 is highly expressed in endothelia and reinforces cell adhesion, but its role in vascular inflammation remains largely unknown. METHODS In vitro molecular and cellular biological analyses on genetically modified endothelial cells, in vivo vascular biological analyses on genetically engineered mouse models, and in silico systems biology and bioinformatics analyses on CD151-related events. RESULTS Endothelial ablation of Cd151 leads to pulmonary and cardiac inflammation, severe sepsis, and perilous COVID-19, and endothelial CD151 becomes downregulated in inflammation. Mechanistically, CD151 restrains endothelial release of proinflammatory molecules for less leukocyte infiltration. At the subcellular level, CD151 determines the integrity of multivesicular bodies/lysosomes and confines the production of exosomes that carry cytokines such as ANGPT2 (angiopoietin-2) and proteases such as cathepsin-D. At the molecular level, CD151 docks VCP (valosin-containing protein)/p97, which controls protein quality via mediating deubiquitination for proteolytic degradation, onto endolysosomes to facilitate VCP/p97 function. At the endolysosome membrane, CD151 links VCP/p97 to (1) IFITM3 (interferon-induced transmembrane protein 3), which regulates multivesicular body functions, to restrain IFITM3-mediated exosomal sorting, and (2) V-ATPase, which dictates endolysosome pH, to support functional assembly of V-ATPase. CONCLUSIONS Distinct from its canonical function in strengthening cell adhesion at cell surface, CD151 maintains endolysosome function by sustaining VCP/p97-mediated protein unfolding and turnover. By supporting protein quality control and protein degradation, CD151 prevents proteins from (1) buildup in endolysosomes and (2) discharge through exosomes, to limit vascular inflammation. Also, our study conceptualizes that balance between degradation and discharge of proteins in endothelial cells determines vascular information. Thus, the IFITM3/V-ATPase-tetraspanin-VCP/p97 complexes on endolysosome, as a protein quality control and inflammation-inhibitory machinery, could be beneficial for therapeutic intervention against vascular inflammation.
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Affiliation(s)
- Junxiong Chen
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Yingjun Ding
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Chao Jiang
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Rongmei Qu
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | | | | | - Xuejun Wang
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | | | - Beibei Liu
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Cory B. Giles
- Oklahoma Medical Research Foundation, Oklahoma City, USA
| | | | | | - Jingxing Dai
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | | | | | - Jie Wang
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Houjuan Zuo
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Chao Huang
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Kar-Ming Fung
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Heather C. Rice
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | | | - David Wu
- University of Chicago, Chicago, IL, USA
| | | | - You-Yang Zhao
- Ann & Robert H. Lurie Children’s Hospital of Chicago, Chicago, Illinois
- Northwestern University Feinberg School of Medicine, Chicago, Illinois
| | - Tomoharu Kanie
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Franklin A. Hays
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - James F. Papin
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
| | - Dao Wen Wang
- Tongji Hospital, Huazhong University of Science and Technology, Wuhan, China
| | - Xin A. Zhang
- University of Oklahoma Health Sciences Center, Oklahoma City, USA
- Lead contact
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Mulligan RJ, Magaj MM, Digilio L, Redemann S, Yap CC, Winckler B. Collapse of late endosomal pH elicits a rapid Rab7 response via the V-ATPase and RILP. J Cell Sci 2024; 137:jcs261765. [PMID: 38578235 PMCID: PMC11166203 DOI: 10.1242/jcs.261765] [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: 11/02/2023] [Accepted: 03/26/2024] [Indexed: 04/06/2024] Open
Abstract
Endosomal-lysosomal trafficking is accompanied by the acidification of endosomal compartments by the H+-V-ATPase to reach low lysosomal pH. Disruption of the correct pH impairs lysosomal function and the balance of protein synthesis and degradation (proteostasis). Here, we treated mammalian cells with the small dipeptide LLOMe, which is known to permeabilize lysosomal membranes, and find that LLOMe also impacts late endosomes (LEs) by neutralizing their pH without causing membrane permeabilization. We show that LLOMe leads to hyperactivation of Rab7 (herein referring to Rab7a), and disruption of tubulation and mannose-6-phosphate receptor (CI-M6PR; also known as IGF2R) recycling on pH-neutralized LEs. pH neutralization (NH4Cl) and expression of Rab7 hyperactive mutants alone can both phenocopy the alterations in tubulation and CI-M6PR trafficking. Mechanistically, pH neutralization increases the assembly of the V1G1 subunit (encoded by ATP6V1G1) of the V-ATPase on endosomal membranes, which stabilizes GTP-bound Rab7 via RILP, a known interactor of Rab7 and V1G1. We propose a novel pathway by which V-ATPase and RILP modulate LE pH and Rab7 activation in concert. This pathway might broadly contribute to pH control during physiologic endosomal maturation or starvation and during pathologic pH neutralization, which occurs via lysosomotropic compounds and in disease states.
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Affiliation(s)
- Ryan J. Mulligan
- Department of Cell Biology, University of Virginia, Charlottesville, VA 22908, USA
- Cell and Developmental Biology Graduate Program, University of Virginia, Charlottesville, VA 22908, USA
- Medical Scientist Training Program, University of Virginia, Charlottesville, VA 22908, USA
| | - Magdalena M. Magaj
- Department of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22908, USA
- Cell and Developmental Biology Graduate Program, University of Virginia, Charlottesville, VA 22908, USA
| | - Laura Digilio
- Department of Cell Biology, University of Virginia, Charlottesville, VA 22908, USA
| | - Stefanie Redemann
- Department of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22908, USA
- Center for Membrane and Cell Physiology, University of Virginia, Charlottesville, VA 22908, USA
| | - Chan Choo Yap
- Department of Cell Biology, University of Virginia, Charlottesville, VA 22908, USA
| | - Bettina Winckler
- Department of Cell Biology, University of Virginia, Charlottesville, VA 22908, USA
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7
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Poinsot V, Pizzinat N, Ong-Meang V. Engineered and Mimicked Extracellular Nanovesicles for Therapeutic Delivery. NANOMATERIALS (BASEL, SWITZERLAND) 2024; 14:639. [PMID: 38607173 PMCID: PMC11013861 DOI: 10.3390/nano14070639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/06/2024] [Revised: 04/02/2024] [Accepted: 04/03/2024] [Indexed: 04/13/2024]
Abstract
Exosomes are spherical extracellular nanovesicles with an endosomal origin and unilamellar lipid-bilayer structure with sizes ranging from 30 to 100 nm. They contain a large range of proteins, lipids, and nucleic acid species, depending on the state and origin of the extracellular vesicle (EV)-secreting cell. EVs' function is to encapsulate part of the EV-producing cell content, to transport it through biological fluids to a targeted recipient, and to deliver their cargos specifically within the aimed recipient cells. Therefore, exosomes are considered to be potential biological drug-delivery systems that can stably deliver their cargo into targeted cells. Various cell-derived exosomes are produced for medical issues, but their use for therapeutic purposes still faces several problems. Some of these difficulties can be avoided by resorting to hemisynthetic approaches. We highlight here the uses of alternative exosome-mimes involving cell-membrane coatings on artificial nanocarriers or the hybridization between exosomes and liposomes. We also detail the drug-loading strategies deployed to make them drug-carrier systems and summarize the ongoing clinical trials involving exosomes or exosome-like structures. Finally, we summarize the open questions before considering exosome-like disposals for confident therapeutic delivery.
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Affiliation(s)
- Verena Poinsot
- Inserm, CNRS, Faculté de Santé, Université Toulouse III—Paul Sabatier, I2MC U1297, 31432 Toulouse, France; (N.P.); (V.O.-M.)
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8
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Mason AJ, Deppmann C, Winckler B. Emerging Roles of Neuronal Extracellular Vesicles at the Synapse. Neuroscientist 2024; 30:199-213. [PMID: 36942881 DOI: 10.1177/10738584231160521] [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] [Indexed: 03/23/2023]
Abstract
Extracellular vesicles (EVs) are secreted from most, if not all, cell types and are implicated in short- and long-distance signaling throughout the body. EVs are also secreted from neurons and represent an emergent neuronal communication platform. Understanding the functional implications of EV signaling to recipient neurons and glia requires understanding the cell biology involved in EV biogenesis, cargo loading, secretion, uptake, and signal transduction in the recipient cell. Here we review these major questions of EV biology while highlighting recent new insights and examples within the nervous system, such as modulating synaptic function or morphogenesis in recipient neurons.
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Affiliation(s)
- Ashley J Mason
- Neuroscience Graduate Program, University of Virginia, Charlottesville, VA, USA
- Department of Biology, University of Virginia, Charlottesville, VA, USA
- Department of Cell Biology, University of Virginia, Charlottesville, VA, USA
| | - Christopher Deppmann
- Neuroscience Graduate Program, University of Virginia, Charlottesville, VA, USA
- Department of Biology, University of Virginia, Charlottesville, VA, USA
| | - Bettina Winckler
- Neuroscience Graduate Program, University of Virginia, Charlottesville, VA, USA
- Department of Cell Biology, University of Virginia, Charlottesville, VA, USA
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9
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Zubkova E, Kalinin A, Bolotskaya A, Beloglazova I, Menshikov M. Autophagy-Dependent Secretion: Crosstalk between Autophagy and Exosome Biogenesis. Curr Issues Mol Biol 2024; 46:2209-2235. [PMID: 38534758 DOI: 10.3390/cimb46030142] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2023] [Revised: 01/22/2024] [Accepted: 01/23/2024] [Indexed: 03/28/2024] Open
Abstract
The cellular secretome is pivotal in mediating intercellular communication and coordinating responses to stressors. Exosomes, initially recognized for their role in waste disposal, have now emerged as key intercellular messengers with significant therapeutic and diagnostic potential. Similarly, autophagy has transcended its traditional role as a waste removal mechanism, emerging as a regulator of intracellular communication pathways and a contributor to a unique autophagy-dependent secretome. Secretory authophagy, initiated by various stress stimuli, prompts the selective release of proteins implicated in inflammation, including leaderless proteins that bypass the conventional endoplasmic reticulum-Golgi secretory pathway. This reflects the significant impact of stress-induced autophagy on cellular secretion profiles, including the modulation of exosome release. The convergence of exosome biogenesis and autophagy is exemplified by the formation of amphisomes, vesicles that integrate autophagic and endosomal pathways, indicating their synergistic interplay. Regulatory proteins common to both pathways, particularly mTORC1, emerge as potential therapeutic targets to alter cellular secretion profiles involved in various diseases. This review explores the dynamic interplay between autophagy and exosome formation, highlighting the potential to influence the secretome composition. While the modulation of exosome secretion and cytokine preconditioning is well-established in regenerative medicine, the strategic manipulation of autophagy is still underexplored, presenting a promising but uncharted therapeutic landscape.
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Affiliation(s)
- Ekaterina Zubkova
- National Medical Research Centre of Cardiology Named after Academician E.I. Chazov, 121552 Moscow, Russia
| | - Alexander Kalinin
- National Medical Research Centre of Cardiology Named after Academician E.I. Chazov, 121552 Moscow, Russia
- Faculty of Fundamental Medicine, Lomonosov Moscow State University, 119991 Moscow, Russia
| | - Anastasya Bolotskaya
- National Medical Research Centre of Cardiology Named after Academician E.I. Chazov, 121552 Moscow, Russia
- Institute of Clinical Medicine, Sechenov University, 119435 Moscow, Russia
| | - Irina Beloglazova
- National Medical Research Centre of Cardiology Named after Academician E.I. Chazov, 121552 Moscow, Russia
| | - Mikhail Menshikov
- National Medical Research Centre of Cardiology Named after Academician E.I. Chazov, 121552 Moscow, Russia
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10
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Eriksson I, Öllinger K. Lysosomes in Cancer-At the Crossroad of Good and Evil. Cells 2024; 13:459. [PMID: 38474423 DOI: 10.3390/cells13050459] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2023] [Revised: 02/27/2024] [Accepted: 03/01/2024] [Indexed: 03/14/2024] Open
Abstract
Although it has been known for decades that lysosomes are central for degradation and recycling in the cell, their pivotal role as nutrient sensing signaling hubs has recently become of central interest. Since lysosomes are highly dynamic and in constant change regarding content and intracellular position, fusion/fission events allow communication between organelles in the cell, as well as cell-to-cell communication via exocytosis of lysosomal content and release of extracellular vesicles. Lysosomes also mediate different forms of regulated cell death by permeabilization of the lysosomal membrane and release of their content to the cytosol. In cancer cells, lysosomal biogenesis and autophagy are increased to support the increased metabolism and allow growth even under nutrient- and oxygen-poor conditions. Tumor cells also induce exocytosis of lysosomal content to the extracellular space to promote invasion and metastasis. However, due to the enhanced lysosomal function, cancer cells are often more susceptible to lysosomal membrane permeabilization, providing an alternative strategy to induce cell death. This review summarizes the current knowledge of cancer-associated alterations in lysosomal structure and function and illustrates how lysosomal exocytosis and release of extracellular vesicles affect disease progression. We focus on functional differences depending on lysosomal localization and the regulation of intracellular transport, and lastly provide insight how new therapeutic strategies can exploit the power of the lysosome and improve cancer treatment.
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Affiliation(s)
- Ida Eriksson
- Division of Cell Biology, Department of Biomedical and Clinical Sciences, Linköping University, 58185 Linköping, Sweden
| | - Karin Öllinger
- Division of Cell Biology, Department of Biomedical and Clinical Sciences, Linköping University, 58185 Linköping, Sweden
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11
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Sanchez JC, Pierpont TM, Argueta-Zamora D, Wilson K, August A, Cerione RA. PTEN loss in glioma cell lines leads to increased extracellular vesicles biogenesis and PD-L1 cargo in a PI3K-dependent manner. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2023.07.26.550575. [PMID: 38464280 PMCID: PMC10925116 DOI: 10.1101/2023.07.26.550575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2024]
Abstract
Phosphatase and Tensin Homologue (PTEN) is one of the most frequently lost tumor suppressors in cancer and the predominant negative regulator of the PI3K/AKT signaling axis. A growing body of evidence has highlighted the loss of PTEN with immuno-modulatory functions including the upregulation of the programmed death ligand-1 (PD-L1), an altered tumor derived secretome that drives an immunosuppressive tumor immune microenvironment (TIME), and resistance to certain immunotherapies. Given their roles in immunosuppression and tumor growth, we examined whether the loss of PTEN would impact the biogenesis, cargo, and function of extracellular vesicles (EVs) in the context of the anti-tumor associated cytokine interferon-γ (IFN-γ). Through genetic and pharmacological approaches, we show that PD-L1 expression is regulated by JAK/STAT signaling, not PI3K signaling. Instead, we observe that PTEN loss positively upregulates cell surface levels of PD-L1 and enhances the biogenesis of EVs enriched with PD-L1 in a PI3K-dependent manner. We demonstrate that because of these changes, EVs derived from glioma cells lacking PTEN have a greater ability to suppress T cell receptor (TCR) signaling. Taken together, these findings provide important new insights into how the loss of PTEN can contribute to an immunosuppressive TIME, facilitate immune evasion, and highlight a novel role for PI3K signaling in the regulation of EV biogenesis and the cargo they contain.
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Affiliation(s)
- Julio C Sanchez
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell University, Ithaca, NY, 14853, USA
| | - Timothy M Pierpont
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY, 14853, USA
| | - Dariana Argueta-Zamora
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell University, Ithaca, NY, 14853, USA
| | - Kristin Wilson
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell University, Ithaca, NY, 14853, USA
| | - Avery August
- Department of Microbiology and Immunology, College of Veterinary Medicine, Cornell University, Ithaca, NY, 14853, USA
| | - Richard A Cerione
- Department of Molecular Medicine, College of Veterinary Medicine, Cornell University, Ithaca, NY, 14853, USA
- Department of Chemistry and Chemical Biology, Cornell University, Ithaca, NY, 14853, USA
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12
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Almeida FC, Patra K, Giannisis A, Niesnerova A, Nandakumar R, Ellis E, Oliveira TG, Nielsen HM. APOE genotype dictates lipidomic signatures in primary human hepatocytes. J Lipid Res 2024; 65:100498. [PMID: 38216055 PMCID: PMC10875595 DOI: 10.1016/j.jlr.2024.100498] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2023] [Revised: 12/27/2023] [Accepted: 01/09/2024] [Indexed: 01/14/2024] Open
Abstract
Apolipoprotein E (APOE) genetic variants are most notably known for their divergent impact on the risk of developing Alzheimer's disease. While APOE genotype has been consistently shown to modulate lipid metabolism in a variety of cellular contexts, the effect of APOE alleles on the lipidome in hepatocytes is unknown. In this study, we investigated the contribution of APOE alleles to lipidomic profiles of donor-derived primary human hepatocytes from 77 subjects. Lipidomic data obtained by liquid chromatography-mass spectrometry were analyzed across ε2/ε3, ε3/ε3, and ε3/ε4 genotypes to reveal how APOE modulates lipid relative levels over age and between groups. Hepatic APOE concentration, measured by ELISA, was assessed for correlation with lipid abundance in subjects grouped as per APOE genotype and sex. APOE genotype-specific differential lipidomic signatures associated with age for multiple lipid classes but did not differ between sexes. Compared to ε2/ε3, ε3/ε4 hepatocytes had higher abundance of acylcarnitines (AC) and acylphosphatidylglycerol (AcylPG) as a class, as well as higher medium and long-chain ACs, AcylPG, phosphatidylglycerol (PG), bis(monoacylglycerol)phosphate (BMP), monoacylglycerol (MG) and diacylglycerol (DG) species. The ε3/ε4 hepatocytes also exhibited a higher abundance of medium and long-chain ACs compared to the ε3/ε3 hepatocytes. Only in the ε3/ε4 hepatocytes, APOE concentration was lower and showed a negative correlation with BMP levels, specifically in females. APOE genotype dictates a differential lipidome in primary human hepatocytes. The lipids involved suggest mitochondrial dysfunction with accompanying alterations in neutral lipid storage, reflective of a general disturbance of free fatty acid metabolism in human hepatocytes with the ε4 allele.
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Affiliation(s)
- Francisco C Almeida
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal; Department of Neuroradiology, Centro Hospitalar Universitário do Porto, Porto, Portugal
| | - Kalicharan Patra
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
| | - Andreas Giannisis
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
| | - Anezka Niesnerova
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden
| | - Renu Nandakumar
- Irving Institute for Clinical and Translational Research, Columbia University Irving Medical Center, New York, USA
| | - Ewa Ellis
- Department of Clinical Science, Intervention and Technology, (CLINTEC), Division of Transplantation surgery, Karolinska Institutet and ME Transplantation, Karolinska University Hospital, Huddinge, Sweden
| | - Tiago Gil Oliveira
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Braga, Portugal; ICVS/3B's-PT Government Associate Laboratory, Braga/Guimarães, Portugal; Department of Neuroradiology, Hospital de Braga, Braga, Portugal.
| | - Henrietta M Nielsen
- Department of Biochemistry and Biophysics, Stockholm University, Stockholm, Sweden.
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13
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Yang Y, Arnold ML, Lange CM, Sun LH, Broussalian M, Doroodian S, Ebata H, Choy EH, Poon K, Moreno TM, Singh A, Driscoll M, Kumsta C, Hansen M. Autophagy protein ATG-16.2 and its WD40 domain mediate the beneficial effects of inhibiting early-acting autophagy genes in C. elegans neurons. NATURE AGING 2024; 4:198-212. [PMID: 38177330 PMCID: PMC11022750 DOI: 10.1038/s43587-023-00548-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 11/27/2023] [Indexed: 01/06/2024]
Abstract
While autophagy genes are required for lifespan of long-lived animals, their tissue-specific roles in aging remain unclear. Here, we inhibited autophagy genes in Caenorhabditis elegans neurons, and found that knockdown of early-acting autophagy genes, except atg-16.2, increased lifespan, and decreased neuronal PolyQ aggregates, independently of autophagosomal degradation. Neurons can secrete protein aggregates via vesicles called exophers. Inhibiting neuronal early-acting autophagy genes, except atg-16.2, increased exopher formation and exopher events extended lifespan, suggesting exophers promote organismal fitness. Lifespan extension, reduction in PolyQ aggregates and increase in exophers were absent in atg-16.2 null mutants, and restored by full-length ATG-16.2 expression in neurons, but not by ATG-16.2 lacking its WD40 domain, which mediates noncanonical functions in mammalian systems. We discovered a neuronal role for C. elegans ATG-16.2 and its WD40 domain in lifespan, proteostasis and exopher biogenesis. Our findings suggest noncanonical functions for select autophagy genes in both exopher formation and in aging.
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Affiliation(s)
- Yongzhi Yang
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
- Scripps Research Institute, La Jolla, CA, USA
| | - Meghan Lee Arnold
- Rutgers, The State University of New Jersey, Nelson Biological Labs, Piscataway, NJ, USA
| | - Caitlin M Lange
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Ling-Hsuan Sun
- Buck Institute for Aging Research, Novato, CA, USA
- Leonard Davis School of Gerontology, University of Southern California, Los Angeles, CA, USA
| | | | | | | | - Elizabeth H Choy
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Karie Poon
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Tatiana M Moreno
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Anupama Singh
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA
| | - Monica Driscoll
- Rutgers, The State University of New Jersey, Nelson Biological Labs, Piscataway, NJ, USA
| | - Caroline Kumsta
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA.
| | - Malene Hansen
- Sanford Burnham Prebys Medical Discovery Institute, La Jolla, CA, USA.
- Buck Institute for Aging Research, Novato, CA, USA.
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14
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Larey AM, Spoerer TM, Daga KR, Morfin MG, Hynds HM, Carpenter J, Hines KM, Marklein RA. High throughput screening of mesenchymal stromal cell morphological response to inflammatory signals for bioreactor-based manufacturing of extracellular vesicles that modulate microglia. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.19.567730. [PMID: 38014258 PMCID: PMC10680807 DOI: 10.1101/2023.11.19.567730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2023]
Abstract
Due to their immunomodulatory function, mesenchymal stromal cells (MSCs) are a promising therapeutic with the potential to treat neuroinflammation associated with neurodegenerative diseases. This function can be mediated by secreted extracellular vesicles (MSC-EVs). Despite established safety, MSC clinical translation has been unsuccessful due to inconsistent clinical outcomes resulting from functional heterogeneity. Current approaches to mitigate functional heterogeneity include 'priming' MSCs with inflammatory signals to enhance function. However, comprehensive evaluation of priming and its effects on MSC-EV function has not been performed. Clinical translation of MSC-EV therapies requires significant manufacturing scale-up, yet few studies have investigated the effects of priming in bioreactors. As MSC morphology has been shown to predict their immunomodulatory function, we screened MSC morphological response to an array of priming signals and evaluated MSC-EV identity and potency in response to priming in flasks and bioreactors. We identified unique priming conditions corresponding to distinct morphologies. These conditions demonstrated a range of MSC-EV preparation quality and lipidome, allowing us to discover a novel MSC-EV manufacturing condition, as well as gain insight into potential mechanisms of MSC-EV microglia modulation. Our novel screening approach and application of priming to MSC-EV bioreactor manufacturing informs refinement of larger-scale manufacturing and enhancement of MSC-EV function.
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Affiliation(s)
- Andrew M. Larey
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, USA
- Regenerative Bioscience Center, University of Georgia, Athens, GA, USA
| | - Thomas M. Spoerer
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, USA
- Regenerative Bioscience Center, University of Georgia, Athens, GA, USA
| | - Kanupriya R. Daga
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, USA
- Regenerative Bioscience Center, University of Georgia, Athens, GA, USA
| | - Maria G. Morfin
- Regenerative Bioscience Center, University of Georgia, Athens, GA, USA
| | - Hannah M. Hynds
- Department of Chemistry, University of Georgia, Athens, GA, USA
| | - Jana Carpenter
- Department of Chemistry, University of Georgia, Athens, GA, USA
| | - Kelly M. Hines
- Department of Chemistry, University of Georgia, Athens, GA, USA
| | - Ross A. Marklein
- School of Chemical, Materials, and Biomedical Engineering, University of Georgia, Athens, GA, USA
- Regenerative Bioscience Center, University of Georgia, Athens, GA, USA
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15
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Kim B, Kang Y, Mendelson FE, Hayes JM, Savelieff MG, Nagrath S, Feldman EL. Palmitate and glucose increase amyloid precursor protein in extracellular vesicles: Missing link between metabolic syndrome and Alzheimer's disease. J Extracell Vesicles 2023; 12:e12340. [PMID: 37898562 PMCID: PMC10613125 DOI: 10.1002/jev2.12340] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2022] [Revised: 06/05/2023] [Accepted: 06/11/2023] [Indexed: 10/30/2023] Open
Abstract
The metabolic syndrome (MetS) and Alzheimer's disease share several pathological features, including insulin resistance, abnormal protein processing, mitochondrial dysfunction and elevated inflammation and oxidative stress. The MetS constitutes elevated fasting glucose, obesity, dyslipidaemia and hypertension and increases the risk of developing Alzheimer's disease, but the precise mechanism remains elusive. Insulin resistance, which develops from a diet rich in sugars and saturated fatty acids, such as palmitate, is shared by the MetS and Alzheimer's disease. Extracellular vesicles (EVs) are also a point of convergence, with altered dynamics in both the MetS and Alzheimer's disease. However, the role of palmitate- and glucose-induced insulin resistance in the brain and its potential link through EVs to Alzheimer's disease is unknown. We demonstrate that palmitate and high glucose induce insulin resistance and amyloid precursor protein phosphorylation in primary rat embryonic cortical neurons and human cortical stem cells. Palmitate also triggers insulin resistance in oligodendrocytes, the supportive glia of the brain. Palmitate and glucose enhance amyloid precursor protein secretion from cortical neurons via EVs, which induce tau phosphorylation when added to naïve neurons. Additionally, EVs from palmitate-treated oligodendrocytes enhance insulin resistance in recipient neurons. Overall, our findings suggest a novel theory underlying the increased risk of Alzheimer's disease in MetS mediated by EVs, which spread Alzheimer's pathology and insulin resistance.
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Affiliation(s)
- Bhumsoo Kim
- Department of NeurologyUniversity of MichiganAnn ArborMichiganUSA
- NeuroNetwork for Emerging TherapiesUniversity of MichiganAnn ArborMichiganUSA
| | - Yoon‐Tae Kang
- Department of Chemical Engineering and Biointerfaces InstituteUniversity of MichiganAnn ArborMichiganUSA
| | - Faye E. Mendelson
- Department of NeurologyUniversity of MichiganAnn ArborMichiganUSA
- NeuroNetwork for Emerging TherapiesUniversity of MichiganAnn ArborMichiganUSA
| | - John M. Hayes
- Department of NeurologyUniversity of MichiganAnn ArborMichiganUSA
- NeuroNetwork for Emerging TherapiesUniversity of MichiganAnn ArborMichiganUSA
| | - Masha G. Savelieff
- NeuroNetwork for Emerging TherapiesUniversity of MichiganAnn ArborMichiganUSA
| | - Sunitha Nagrath
- Department of Chemical Engineering and Biointerfaces InstituteUniversity of MichiganAnn ArborMichiganUSA
| | - Eva L. Feldman
- Department of NeurologyUniversity of MichiganAnn ArborMichiganUSA
- NeuroNetwork for Emerging TherapiesUniversity of MichiganAnn ArborMichiganUSA
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16
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Li J, Krause GJ, Gui Q, Kaushik S, Rona G, Zhang Q, Liang FX, Dhabaria A, Anerillas C, Martindale JL, Vasilyev N, Askenazi M, Ueberheide B, Nudler E, Gorospe M, Cuervo AM, Pagano M. A noncanonical function of SKP1 regulates the switch between autophagy and unconventional secretion. SCIENCE ADVANCES 2023; 9:eadh1134. [PMID: 37831778 PMCID: PMC10575587 DOI: 10.1126/sciadv.adh1134] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Accepted: 09/13/2023] [Indexed: 10/15/2023]
Abstract
Intracellular degradation of proteins and organelles by the autophagy-lysosome system is essential for cellular quality control and energy homeostasis. Besides degradation, endolysosomal organelles can fuse with the plasma membrane and contribute to unconventional secretion. Here, we identify a function for mammalian SKP1 in endolysosomes that is independent of its established role as an essential component of the family of SCF/CRL1 ubiquitin ligases. We found that, under nutrient-poor conditions, SKP1 is phosphorylated on Thr131, allowing its interaction with V1 subunits of the vacuolar ATPase (V-ATPase). This event, in turn, promotes V-ATPase assembly to acidify late endosomes and enhance endolysosomal degradation. Under nutrient-rich conditions, SUMOylation of phosphorylated SKP1 allows its binding to and dephosphorylation by the PPM1B phosphatase. Dephosphorylated SKP1 interacts with SEC22B to promote unconventional secretion of the content of less acidified hybrid endosomal/autophagic compartments. Collectively, our study implicates SKP1 phosphorylation as a switch between autophagy and unconventional secretion in a manner dependent on cellular nutrient status.
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Affiliation(s)
- Jie Li
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY 10016, USA
- Laura and Isaac Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Gregory J. Krause
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
- Institute for Aging Research, Department of Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Qi Gui
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY 10016, USA
- Laura and Isaac Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Susmita Kaushik
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
- Institute for Aging Research, Department of Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Gergely Rona
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY 10016, USA
- Laura and Isaac Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY 10016, USA
- Howard Hughes Medical Institute, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Qingyue Zhang
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY 10016, USA
- Laura and Isaac Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Feng-Xia Liang
- Microscopy Laboratory, Division of Advanced Research Technologies, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Avantika Dhabaria
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY 10016, USA
- Laura and Isaac Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY 10016, USA
- Proteomics Laboratory, Division of Advanced Research Technologies, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Carlos Anerillas
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD 21224, USA
| | - Jennifer L. Martindale
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD 21224, USA
| | - Nikita Vasilyev
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY 10016, USA
- Laura and Isaac Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY 10016, USA
- Howard Hughes Medical Institute, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Manor Askenazi
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY 10016, USA
- Biomedical Hosting LLC, 33 Lewis Avenue, Arlington, MA 02474, USA
| | - Beatrix Ueberheide
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY 10016, USA
- Laura and Isaac Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY 10016, USA
- Proteomics Laboratory, Division of Advanced Research Technologies, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Evgeny Nudler
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY 10016, USA
- Laura and Isaac Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY 10016, USA
- Howard Hughes Medical Institute, New York University Grossman School of Medicine, New York, NY 10016, USA
| | - Myriam Gorospe
- Laboratory of Genetics and Genomics, National Institute on Aging Intramural Research Program, National Institutes of Health, Baltimore, MD 21224, USA
| | - Ana Maria Cuervo
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA
- Institute for Aging Research, Department of Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Michele Pagano
- Department of Biochemistry and Molecular Pharmacology, New York University Grossman School of Medicine, New York, NY 10016, USA
- Laura and Isaac Perlmutter NYU Cancer Center, New York University Grossman School of Medicine, New York, NY 10016, USA
- Howard Hughes Medical Institute, New York University Grossman School of Medicine, New York, NY 10016, USA
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17
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Fayyazpour P, Fayyazpour A, Abbasi K, Vaez-Gharamaleki Y, Zangbar MSS, Raeisi M, Mehdizadeh A. The role of exosomes in cancer biology by shedding light on their lipid contents. Pathol Res Pract 2023; 250:154813. [PMID: 37769395 DOI: 10.1016/j.prp.2023.154813] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/12/2023] [Revised: 08/30/2023] [Accepted: 09/08/2023] [Indexed: 09/30/2023]
Abstract
Exosomes are extracellular bilayer membrane nanovesicles released by cells after the fusion of multivesicular bodies (MVBs) with the plasma membrane. One of the interesting features of exosomes is their ability to carry and transfer various molecules, including lipids, proteins, nucleic acids, and therapeutic cargoes among cells. As intercellular signaling organelles, exosomes participate in various signaling processes such as tumor growth, metastasis, angiogenesis, epithelial-to-mesenchymal transition (EMT), and cell physiology such as cell-to-cell communication. Moreover, these particles are considered good vehicles to shuttle vaccines and drugs for therapeutic applications regarding cancers and tumor cells. These bioactive vesicles are also rich in various lipid molecules such as cholesterol, sphingomyelin (SM), glycosphingolipids, and phosphatidylserine (PS). These lipids play an important role in the formation, release, and function of the exosomes and interestingly, some lipids are used as biomarkers in cancer diagnosis. This review aimed to focus on exosomes lipid content and their role in cancer biology.
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Affiliation(s)
- Parisa Fayyazpour
- Department of Clinical Biochemistry, Faculty of Medicine, Hamadan University of Medical Sciences, Hamadan, Iran; Student Research Committee, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Ali Fayyazpour
- School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Khadijeh Abbasi
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Biochemistry and Clinical Laboratories, Faculty of Medicine, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Yosra Vaez-Gharamaleki
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Mortaza Raeisi
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Amir Mehdizadeh
- Hematology and Oncology Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
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18
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Chae CW, Yoon JH, Lim JR, Park JY, Cho JH, Jung YH, Choi GE, Lee HJ, Han HJ. TRIM16-mediated lysophagy suppresses high-glucose-accumulated neuronal Aβ. Autophagy 2023; 19:2752-2768. [PMID: 37357416 PMCID: PMC10472864 DOI: 10.1080/15548627.2023.2229659] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/13/2022] [Revised: 06/13/2023] [Accepted: 06/21/2023] [Indexed: 06/27/2023] Open
Abstract
ABBREVIATIONS Aβ: amyloid β; AD: Alzheimer disease; AMPK: 5' adenosine monophosphate-activated protein kinase; CTSB: cathepsin B; CTSD: cathepsin D; DM: diabetes mellitus; ESCRT: endosomal sorting complex required for transport; FBXO27: F-box protein 27; iPSC-NDs: induced pluripotent stem cell-derived neuronal differentiated cells; LAMP1: lysosomal-associated membrane protein 1; LMP: lysosomal membrane permeabilization; LRSAM1: leucine rich repeat and sterile alpha motif containing 1; MAP1LC3/LC3: microtubule associated protein 1 light chain 3; MTORC1: mechanistic target of rapamycin kinase complex 1; p-MAPT/tau: phosphorylated microtubule associated protein tau; ROS: reactive oxygen species; STZ: streptozotocin; TFE3: transcription factor E3; TFEB: transcription factor EB; TRIM16: tripartite motif containing 16; UBE2QL1: ubiquitin conjugating enzyme E2 Q family like 1; VCP: valosin containing protein.
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Affiliation(s)
- Chang Woo Chae
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 FOUR Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul, South Korea
| | - Jee Hyeon Yoon
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 FOUR Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul, South Korea
| | - Jae Ryong Lim
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 FOUR Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul, South Korea
| | - Ji Yong Park
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 FOUR Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul, South Korea
| | - Ji Hyeon Cho
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 FOUR Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul, South Korea
| | - Young Hyun Jung
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 FOUR Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul, South Korea
| | - Gee Euhn Choi
- Laboratory of Veterinary Biochemistry, College of Veterinary Medicine and Veterinary Medical Research Institute, Jeju National University, Jeju, South Korea
- Interdisciplinary Graduate Program in Advanced Convergence Technology & Science, Jeju National University, Jeju, South Korea
| | - Hyun Jik Lee
- Laboratory of Veterinary Physiology, College of Veterinary Medicine, Chungbuk National University, Cheongju, Chungbuk, South Korea
- Institute for Stem Cell and Regenerative Medicine (ISCRM), Chungbuk National University, Cheongju, Chungbuk, South Korea
| | - Ho Jae Han
- Department of Veterinary Physiology, College of Veterinary Medicine, Research Institute for Veterinary Science, and BK21 FOUR Future Veterinary Medicine Leading Education & Research Center, Seoul National University, Seoul, South Korea
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19
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Liang R, Tan H, Jin H, Wang J, Tang Z, Lu X. The tumour-promoting role of protein homeostasis: Implications for cancer immunotherapy. Cancer Lett 2023; 573:216354. [PMID: 37625777 DOI: 10.1016/j.canlet.2023.216354] [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: 05/26/2023] [Revised: 08/05/2023] [Accepted: 08/16/2023] [Indexed: 08/27/2023]
Abstract
Protein homeostasis, an important aspect of cellular fitness that encompasses the balance of production, folding and degradation of proteins, has been linked to several diseases of the human body. Multiple interconnected pathways coordinate to maintain protein homeostasis within the cell. Recently, the role of the protein homeostasis network in tumorigenesis and tumour progression has gradually come to light. Here, we summarize the involvement of the most prominent components of the protein quality control mechanisms (HSR, UPS, autophagy, UPR and ERAD) in tumour development and cancer immunity. In addition, evidence for protein quality control mechanisms and targeted drugs is outlined, and attempts to combine these drugs with cancer immunotherapy are discussed. Altogether, combination therapy represents a promising direction for future investigations, and this exciting insight will be further illuminated by the development of drugs that can reach a balance between the benefits and hazards associated with protein homeostasis interference.
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Affiliation(s)
- Rong Liang
- College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Huabing Tan
- Department of Infectious Diseases, Lab of Liver Disease, Renmin Hospital, Hubei University of Medicine, Shiyan, Hubei, China
| | - Honglin Jin
- College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, Hubei, 430070, China
| | - Jincheng Wang
- Department of General Surgery, Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, China; Faculty of Medicine, Hokkaido University, Japan
| | - Zijian Tang
- College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, Hubei, 430070, China.
| | - Xiaojie Lu
- Department of General Surgery, Liver Transplantation Center, The First Affiliated Hospital of Nanjing Medical University, Nanjing, Jiangsu, 210029, China.
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20
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Tang N. Exosomes in multiple sclerosis and Alzheimer's disease - Adversary and ally. Biomed J 2023; 47:100665. [PMID: 37778696 DOI: 10.1016/j.bj.2023.100665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2023] [Revised: 09/24/2023] [Accepted: 09/26/2023] [Indexed: 10/03/2023] Open
Abstract
Neuroinflammation and the resulting neurodegeneration is a big challenge for the healthcare system, especially with the aging population. Neuroinflammation can result from a variety of insults to the central nervous system leading to an interplay between immune and brain cells that sustains chronic inflammation and injures neural cells. One facilitator of this toxic interplay are exosomes. Exosomes are nano-sized, bilayer lipid vesicles secreted by cells containing proteins, nucleic acids and lipids. Because exosomes can be internalized by other cells, their contents can elicit inflammatory responses and trigger toxicities in recipient cells. On the flip side, exosomes can act as therapeutic vehicles carrying protective cargo to maintain homeostasis. This review discusses exosome biogenesis, composition, and its role in neuroinflammation and neurodegeneration in the context of multiple sclerosis and Alzheimer's disease. The emerging roles of exosomes as biomarkers of neurologic diseases and as therapeutic delivery vehicles are also discussed. With all of these varying roles, interest and excitement in exosomes continue to grow exponentially and their promise as brain therapeutics is only beginning to be explored and harnessed.
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Affiliation(s)
- Norina Tang
- Department of Periodontics, University of the Pacific, San Francisco, USA; Department of Laboratory Medicine, San Francisco Veterans Affairs Health Care System, San Francisco, USA.
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21
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Sarmento MJ, Llorente A, Petan T, Khnykin D, Popa I, Nikolac Perkovic M, Konjevod M, Jaganjac M. The expanding organelle lipidomes: current knowledge and challenges. Cell Mol Life Sci 2023; 80:237. [PMID: 37530856 PMCID: PMC10397142 DOI: 10.1007/s00018-023-04889-3] [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: 02/13/2023] [Revised: 06/13/2023] [Accepted: 07/19/2023] [Indexed: 08/03/2023]
Abstract
Lipids in cell membranes and subcellular compartments play essential roles in numerous cellular processes, such as energy production, cell signaling and inflammation. A specific organelle lipidome is characterized by lipid synthesis and metabolism, intracellular trafficking, and lipid homeostasis in the organelle. Over the years, considerable effort has been directed to the identification of the lipid fingerprints of cellular organelles. However, these fingerprints are not fully characterized due to the large variety and structural complexity of lipids and the great variability in the abundance of different lipid species. The process becomes even more challenging when considering that the lipidome differs in health and disease contexts. This review summarizes the information available on the lipid composition of mammalian cell organelles, particularly the lipidome of the nucleus, mitochondrion, endoplasmic reticulum, Golgi apparatus, plasma membrane and organelles in the endocytic pathway. The lipid compositions of extracellular vesicles and lamellar bodies are also described. In addition, several examples of subcellular lipidome dynamics under physiological and pathological conditions are presented. Finally, challenges in mapping organelle lipidomes are discussed.
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Affiliation(s)
- Maria J Sarmento
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, 1649-028, Lisbon, Portugal
| | - Alicia Llorente
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, 0379, Oslo, Norway
- Department for Mechanical, Electronics and Chemical Engineering, Oslo Metropolitan University, 0167, Oslo, Norway
- Faculty of Medicine, Centre for Cancer Cell Reprogramming, University of Oslo, Montebello, 0379, Oslo, Norway
| | - Toni Petan
- Department of Molecular and Biomedical Sciences, Jožef Stefan Institute, Ljubljana, Slovenia
| | - Denis Khnykin
- Department of Pathology, Oslo University Hospital, Oslo, Norway
| | - Iuliana Popa
- Pharmacy Department, Bâtiment Henri Moissan, University Paris-Saclay, 17 Avenue des Sciences, 91400, Orsay, France
| | | | - Marcela Konjevod
- Division of Molecular Medicine, Ruder Boskovic Institute, 10000, Zagreb, Croatia
| | - Morana Jaganjac
- Division of Molecular Medicine, Ruder Boskovic Institute, 10000, Zagreb, Croatia.
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22
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Skotland T, Llorente A, Sandvig K. Lipids in Extracellular Vesicles: What Can Be Learned about Membrane Structure and Function? Cold Spring Harb Perspect Biol 2023; 15:a041415. [PMID: 37277192 PMCID: PMC10411865 DOI: 10.1101/cshperspect.a041415] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Extracellular vesicles, such as exosomes, can be used as interesting models to study the structure and function of biological membranes as these vesicles contain only one membrane (i.e., one lipid bilayer). In addition to lipids, they contain proteins, nucleic acids, and various other molecules. The lipid composition of exosomes is here compared to HIV particles and detergent-resistant membranes, which also have a high content of sphingolipids, cholesterol, and phosphatidylserine (PS). We discuss interactions between the lipids in the two bilayers, and especially those between PS 18:0/18:1 in the inner leaflet and the very-long-chain sphingolipids in the outer leaflet, and the importance of cholesterol for these interactions. We also briefly discuss the involvement of ether-linked phospholipids (PLs) in such lipid raft-like structures, and the possible involvement of these and other lipid classes in the formation of exosomes. The urgent need to improve the quality of quantitative lipidomic studies is highlighted.
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Affiliation(s)
- Tore Skotland
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital-The Norwegian Radium Hospital, 0379 Oslo, Norway
- Centre for Cancer Cell Reprogramming, Faculty of Medicine, University of Oslo, 0379 Oslo, Norway
| | - Alicia Llorente
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital-The Norwegian Radium Hospital, 0379 Oslo, Norway
- Centre for Cancer Cell Reprogramming, Faculty of Medicine, University of Oslo, 0379 Oslo, Norway
- Department of Mechanical, Electronics and Chemical Engineering, Oslo Metropolitan University, 0167 Oslo, Norway
| | - Kirsten Sandvig
- Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital-The Norwegian Radium Hospital, 0379 Oslo, Norway
- Centre for Cancer Cell Reprogramming, Faculty of Medicine, University of Oslo, 0379 Oslo, Norway
- Department of Molecular Biosciences, University of Oslo, 0316 Oslo, Norway
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23
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Jeppesen DK, Zhang Q, Franklin JL, Coffey RJ. Extracellular vesicles and nanoparticles: emerging complexities. Trends Cell Biol 2023; 33:667-681. [PMID: 36737375 PMCID: PMC10363204 DOI: 10.1016/j.tcb.2023.01.002] [Citation(s) in RCA: 158] [Impact Index Per Article: 158.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 12/21/2022] [Accepted: 01/12/2023] [Indexed: 02/04/2023]
Abstract
The study of extracellular vesicles (EVs) and nanoparticles (NPs) is rapidly expanding because recent discoveries have revealed a much greater complexity and diversity than was appreciated only a few years ago. New types of EVs and NPs have recently been described. Proteins and nucleic acids previously thought to be packaged in exosomes appear to be more enriched in different types of EVs and in two recently identified amembranous NPs, exomeres and supermeres. Thus, our understanding of the cell biology and intercellular communication facilitated by the release of EVs and NPs is in a state of flux. In this review, we describe the different types of EVs and NPs, highlight recent advances, and present major outstanding questions.
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Affiliation(s)
- Dennis K Jeppesen
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Qin Zhang
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Jeffrey L Franklin
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA
| | - Robert J Coffey
- Department of Medicine, Vanderbilt University Medical Center, Nashville, TN 37232, USA.
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24
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Ghadami S, Dellinger K. The lipid composition of extracellular vesicles: applications in diagnostics and therapeutic delivery. Front Mol Biosci 2023; 10:1198044. [PMID: 37520326 PMCID: PMC10381967 DOI: 10.3389/fmolb.2023.1198044] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 07/03/2023] [Indexed: 08/01/2023] Open
Abstract
Extracellular vesicles (EVs), including exosomes, with nanoscale sizes, biological origins, various functions, and unique lipid and protein compositions have been introduced as versatile tools for diagnostic and therapeutic medical applications. Numerous studies have reported the importance of the lipid composition of EVs and its influence on their mechanism of action. For example, changes in the lipidomic profile of EVs have been shown to influence the progression of various diseases, including ovarian malignancies and prostate cancer. In this review, we endeavored to examine differences in the lipid content of EV membranes derived from different cell types to characterize their capabilities as diagnostic tools and treatments for diseases like cancer and Alzheimer's disease. We additionally discuss designing functionalized vesicles, whether synthetically by hybrid methods or by changing the lipid composition of natural EVs. Lastly, we provide an overview of current and potential biomedical applications and perspectives on the future of this growing field.
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Affiliation(s)
| | - Kristen Dellinger
- Department of Nanoengineering, Joint School of Nanoscience and Nanoengineering, North Carolina A&T State University, Greensboro, NC, United States
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25
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Crewe C. Energetic Stress-Induced Metabolic Regulation by Extracellular Vesicles. Compr Physiol 2023; 13:5051-5068. [PMID: 37358503 PMCID: PMC10414774 DOI: 10.1002/cphy.c230001] [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] [Indexed: 06/27/2023]
Abstract
Recent studies have demonstrated that extracellular vesicles (EVs) serve powerful and complex functions in metabolic regulation and metabolic-associated disease, although this field of research is still in its infancy. EVs are released into the extracellular space from all cells and carry a wide range of cargo including miRNAs, mRNA, DNA, proteins, and metabolites that have robust signaling effects in receiving cells. EV production is stimulated by all major stress pathways and, as such, has a role in both restoring homeostasis during stress and perpetuating disease. In metabolic regulation, the dominant stress signal is a lack of energy due to either nutrient deficits or damaged mitochondria from nutrient excess. This stress signal is termed "energetic stress," which triggers a robust and evolutionarily conserved response that engages major cellular stress pathways, the ER unfolded protein response, the hypoxia response, the antioxidant response, and autophagy. This article proposes the model that energetic stress is the dominant stimulator of EV release with a focus on metabolically important cells such as hepatocytes, adipocytes, myocytes, and pancreatic β-cells. Furthermore, this article will discuss how the cargo in stress-stimulated EVs regulates metabolism in receiving cells in both beneficial and detrimental ways. © 2023 American Physiological Society. Compr Physiol 13:5051-5068, 2023.
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Affiliation(s)
- Clair Crewe
- Department of Cell Biology and Physiology, Washington University School of Medicine, St. Louis, Missouri, USA
- Department of Internal Medicine, Division of Endocrinology, Metabolism and Lipid Research, Washington University School of Medicine, St. Louis, Missouri, USA
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26
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Chen Q, Liao Y, Liu Y, Song Y, Jiang J, Zhang Z, Li A, Zheng M, Chen X, Zhao T, Gu J, Tan Y, Liu X, Jiang Y, Wang K, Yi H, Xiao J, Hu S. Identification of Fangjihuangqi Decoction as a late-stage autophagy inhibitor with an adjuvant anti-tumor effect against non-small cell lung cancer. Chin Med 2023; 18:68. [PMID: 37287052 DOI: 10.1186/s13020-023-00770-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2023] [Accepted: 05/16/2023] [Indexed: 06/09/2023] Open
Abstract
BACKGROUND Clinically, although chemotherapy is one of the most commonly used methods of treating tumors, chemotherapeutic drugs can induce autophagic flux and increase tumor cell resistance, leading to drug tolerance. Therefore, theoretically, inhibiting autophagy may improve the efficacy of chemotherapy. The discovery of autophagy regulators and their potential application as adjuvant anti-cancer drugs is of substantial importance. In this study, we clarified that Fangjihuangqi Decoction (FJHQ, traditional Chinese medicine) is an autophagy inhibitor, which can synergistically enhance the effect of cisplatin and paclitaxel on non-small cell lung cancer (NSCLC) cells. METHODS We observed the changes of autophagy level in NSCLC cells under the effect of FJHQ, and verified the level of the autophagy marker protein and cathepsin. Apoptosis was detected after the combination of FJHQ with cisplatin or paclitaxel, and NAC (ROS scavenger) was further used to verify the activation of ROS-MAPK pathway by FJHQ. RESULTS We observed that FJHQ induced autophagosomes in NSCLC cells and increased the levels of P62 and LC3-II protein expression in a concentration- and time-gradient-dependent manner, indicating that autophagic flux was inhibited. Co-localization experiments further showed that while FJHQ did not inhibit autophagosome and lysosome fusion, it affected the maturation of cathepsin and thus inhibited the autophagic pathway. Finally, we found that the combination of FJHQ with cisplatin or paclitaxel increased the apoptosis rate of NSCLC cells, due to increased ROS accumulation and further activation of the ROS-MAPK pathway. This synergistic effect could be reversed by NAC. CONCLUSION Collectively, these results demonstrate that FJHQ is a novel late-stage autophagy inhibitor that can amplify the anti-tumor effect of cisplatin and paclitaxel against NSCLC cells.
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Affiliation(s)
- Qiugu Chen
- Research Center of Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
- Department of Medical Biotechnology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yuan Liao
- Research Center of Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
- Department of Medical Biotechnology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yujiao Liu
- Research Center of Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
- Department of Pathology and Pathophysiology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yue Song
- Research Center of Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
- Department of Medical Biotechnology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Junbo Jiang
- Department of Medical Biotechnology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Zhen Zhang
- Department of Pathology and Pathophysiology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Anqi Li
- Department of Pathology and Pathophysiology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Mengyi Zheng
- Department of Medical Biotechnology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Xiaoyi Chen
- The Second Clinical College, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Tingxiu Zhao
- Research Center of Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
- Department of Pathology and Pathophysiology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Jiangyong Gu
- Research Center of Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
- Department of Medical Biotechnology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yuhui Tan
- Research Center of Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
- Department of Medical Biotechnology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Xiaoyi Liu
- Research Center of Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Yanjun Jiang
- Department of Anaesthesia and Intensive Care, The Chinese University of Hong Kong, Hong Kong, 999077, SAR, China
| | - Kun Wang
- Research Center of Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
- Department of Pathology and Pathophysiology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China
| | - Hua Yi
- Research Center of Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
- Department of Pathology and Pathophysiology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
| | - Jianyong Xiao
- Research Center of Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
- Department of Medical Biotechnology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
| | - Shan Hu
- Research Center of Integrative Medicine, School of Basic Medical Sciences, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
- Department of Pathology and Pathophysiology, Guangzhou University of Chinese Medicine, Guangzhou, 510006, China.
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27
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Shelke GV, Williamson CD, Jarnik M, Bonifacino JS. Inhibition of endolysosome fusion increases exosome secretion. J Cell Biol 2023; 222:e202209084. [PMID: 37213076 PMCID: PMC10202829 DOI: 10.1083/jcb.202209084] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 02/04/2023] [Accepted: 03/17/2023] [Indexed: 05/23/2023] Open
Abstract
Exosomes are small vesicles that are secreted from cells to dispose of undegraded materials and mediate intercellular communication. A major source of exosomes is intraluminal vesicles within multivesicular endosomes that undergo exocytic fusion with the plasma membrane. An alternative fate of multivesicular endosomes is fusion with lysosomes, resulting in degradation of the intraluminal vesicles. The factors that determine whether multivesicular endosomes fuse with the plasma membrane or with lysosomes are unknown. In this study, we show that impairment of endolysosomal fusion by disruption of a pathway involving the BLOC-one-related complex (BORC), the small GTPase ARL8, and the tethering factor HOPS increases exosome secretion by preventing the delivery of intraluminal vesicles to lysosomes. These findings demonstrate that endolysosomal fusion is a critical determinant of the amount of exosome secretion and suggest that suppression of the BORC-ARL8-HOPS pathway could be used to boost exosome yields in biotechnology applications.
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Affiliation(s)
- Ganesh Vilas Shelke
- Neurosciences and Cellular and Structural Biology Division, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Chad D. Williamson
- Neurosciences and Cellular and Structural Biology Division, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Michal Jarnik
- Neurosciences and Cellular and Structural Biology Division, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
| | - Juan S. Bonifacino
- Neurosciences and Cellular and Structural Biology Division, Eunice Kennedy Shriver National Institute of Child Health and Human Development, National Institutes of Health, Bethesda, MD, USA
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28
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Anugula S, Li Z, Li Y, Hendriksen A, Christensen PB, Wang L, Monk JM, de Wind N, Bohr VA, Desler C, Naviaux RK, Rasmussen LJ. Rev1 deficiency induces a metabolic shift in MEFs that can be manipulated by the NAD + precursor nicotinamide riboside. Heliyon 2023; 9:e17392. [PMID: 37484291 PMCID: PMC10361373 DOI: 10.1016/j.heliyon.2023.e17392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 06/13/2023] [Accepted: 06/15/2023] [Indexed: 07/25/2023] Open
Abstract
Replication stress, caused by Rev1 deficiency, is associated with mitochondrial dysfunction, and metabolic stress. However, the overall metabolic alterations and possible interventions to rescue the deficits due to Rev1 loss remain unclear. Here, we report that loss of Rev1 leads to intense changes in metabolites and that this can be manipulated by NAD + supplementation. Autophagy decreases in Rev1-/- mouse embryonic fibroblasts (MEFs) and can be restored by supplementing the NAD+ precursor nicotinamide riboside (NR). The abnormal mitochondrial morphology in Rev1-/- MEFs can be partially reversed by NR supplementation, which also protects the mitochondrial cristae from rotenone-induced degeneration. In nematodes rev-1 deficiency causes sensitivity to oxidative stress but this cannot be rescued by NR supplementation. In conclusion, Rev1 deficiency leads to metabolic dysregulation of especially lipid and nucleotide metabolism, impaired autophagy, and mitochondrial anomalies, and all of these phenotypes can be improved by NR replenishment in MEFs.
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Affiliation(s)
- Sharath Anugula
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - Zhiquan Li
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - Yuan Li
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - Alexander Hendriksen
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - Peter Bjarn Christensen
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - Lin Wang
- Departments of Medicine, Pediatrics, and Pathology, University of California, San Diego School of Medicine, 214 Dickinson Street, Building CTF, Room C107, San Diego, CA, 92103, USA
| | - Jonathan M. Monk
- Departments of Medicine, Pediatrics, and Pathology, University of California, San Diego School of Medicine, 214 Dickinson Street, Building CTF, Room C107, San Diego, CA, 92103, USA
| | - Niels de Wind
- Department of Human Genetics, Leiden University Medical Center, Leiden, the Netherlands
| | - Vilhelm A. Bohr
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
- Laboratory of Molecular Gerontology, National Institute on Aging, National Institutes of Health, Baltimore, MD, USA
| | - Claus Desler
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
| | - Robert K. Naviaux
- Departments of Medicine, Pediatrics, and Pathology, University of California, San Diego School of Medicine, 214 Dickinson Street, Building CTF, Room C107, San Diego, CA, 92103, USA
| | - Lene Juel Rasmussen
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, DK-2200, Copenhagen, Denmark
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29
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Goldstein O, Gana-Weisz M, Banfi S, Nigro V, Bar-Shira A, Thaler A, Gurevich T, Mirelman A, Giladi N, Alcalay RN, Orr-Urtreger A. Novel variants in genes related to vesicle-mediated-transport modify Parkinson's disease risk. Mol Genet Metab 2023; 139:107608. [PMID: 37201419 DOI: 10.1016/j.ymgme.2023.107608] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 05/11/2023] [Accepted: 05/11/2023] [Indexed: 05/20/2023]
Abstract
OBJECTIVES VPS35 and VPS13 have been associated with Parkinson's disease (PD), and their shared phenotype in yeast when reduced in function is abnormal vacuolar transport. We aim to test if additional potentially deleterious variants in other genes that share this phenotype can modify the risk for PD. METHODS 77 VPS and VPS-related genes were analyzed using whole-genome-sequencing data from 202 PD patients of Ashkenazi Jewish (AJ) ancestry. Filtering was done based on quality and functionality scores. Ten variants in nine genes were further genotyped in 1200 consecutively recruited unrelated AJ-PD patients, and allele frequencies and odds ratio calculated compared to gnomAD-AJ-non-neuro database, in un-stratified (n = 1200) and stratified manner (LRRK2-G2019S-PD patients (n = 145), GBA-PD patients (n = 235), and non-carriers of these mutations (NC, n = 787)). RESULTS Five variants in PIK3C3, VPS11, AP1G2, HGS and VPS13D were significantly associated with PD-risk. PIK3C3-R768W showed a significant association in an un-stratified (all PDs) analysis, as well as in stratified (LRRK2, GBA, and NC) analyses (Odds ratios = 2.71, 5.32, 3.26. and 2.19 with p = 0.0015, 0.002, 0.0287, and 0.0447, respectively). AP1G2-R563W was significantly associated in LRRK2-carriers (OR = 3.69, p = 0.006) while VPS13D-D2932N was significantly associated in GBA-carriers (OR = 5.45, p = 0.0027). VPS11-C846G and HGS-S243Y were significantly associated in NC (OR = 2.48 and 2.06, with p = 0.022 and 0.0163, respectively). CONCLUSIONS Variants in genes involved in vesicle-mediated protein transport and recycling pathways, including autophagy and mitophagy, may differentially modify PD-risk in LRRK2-carriers, GBA carriers, or NC. Specifically, PIK3C3-R768W is a PD-risk allele, with the highest effect size in LRRK2-G2019S carriers. These results suggest oligogenic effect that may depends on the genetic background of the patient. An unbiased burden of mutations approach in these genes should be evaluated in additional PD and control groups. The mechanisms by which these novel variants interact and increase PD-risk should be researched in depth for better tailoring therapeutic intervention for PD prevention or slowing disease progression.
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Affiliation(s)
- Orly Goldstein
- Laboratory of Biomarkers and Genomics of Neurodegeneration, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Mali Gana-Weisz
- Laboratory of Biomarkers and Genomics of Neurodegeneration, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Sandro Banfi
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, NA, Italy; Medical Genetics, Department of Precision Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Vincenzo Nigro
- Telethon Institute of Genetics and Medicine (TIGEM), Pozzuoli, NA, Italy; Medical Genetics, Department of Precision Medicine, University of Campania "Luigi Vanvitelli", Naples, Italy
| | - Anat Bar-Shira
- Laboratory of Biomarkers and Genomics of Neurodegeneration, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel
| | - Avner Thaler
- Movement disorders Division, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Laboratory for Early Markers of Neurodegeneration, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Sackler Faculty of Medicine, and Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
| | - Tanya Gurevich
- Movement disorders Division, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Sackler Faculty of Medicine, and Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
| | - Anat Mirelman
- Movement disorders Division, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Laboratory for Early Markers of Neurodegeneration, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Sackler Faculty of Medicine, and Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
| | - Nir Giladi
- Movement disorders Division, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Laboratory for Early Markers of Neurodegeneration, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Sackler Faculty of Medicine, and Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel
| | - Roy N Alcalay
- Laboratory of Biomarkers and Genomics of Neurodegeneration, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Movement disorders Division, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Department of Neurology, Columbia University Irving Medical Center, New York, NY, USA
| | - Avi Orr-Urtreger
- Laboratory of Biomarkers and Genomics of Neurodegeneration, Neurological Institute, Tel Aviv Sourasky Medical Center, Tel Aviv, Israel; Sackler Faculty of Medicine, and Sagol School of Neuroscience, Tel Aviv University, Tel Aviv, Israel.
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30
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Daly JL, Danson CM, Lewis PA, Zhao L, Riccardo S, Di Filippo L, Cacchiarelli D, Lee D, Cross SJ, Heesom KJ, Xiong WC, Ballabio A, Edgar JR, Cullen PJ. Multi-omic approach characterises the neuroprotective role of retromer in regulating lysosomal health. Nat Commun 2023; 14:3086. [PMID: 37248224 PMCID: PMC10227043 DOI: 10.1038/s41467-023-38719-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2022] [Accepted: 05/05/2023] [Indexed: 05/31/2023] Open
Abstract
Retromer controls cellular homeostasis through regulating integral membrane protein sorting and transport and by controlling maturation of the endo-lysosomal network. Retromer dysfunction, which is linked to neurodegenerative disorders including Parkinson's and Alzheimer's diseases, manifests in complex cellular phenotypes, though the precise nature of this dysfunction, and its relation to neurodegeneration, remain unclear. Here, we perform an integrated multi-omics approach to provide precise insight into the impact of Retromer dysfunction on endo-lysosomal health and homeostasis within a human neuroglioma cell model. We quantify widespread changes to the lysosomal proteome, indicative of broad lysosomal dysfunction and inefficient autophagic lysosome reformation, coupled with a reconfigured cell surface proteome and secretome reflective of increased lysosomal exocytosis. Through this global proteomic approach and parallel transcriptomic analysis, we provide a holistic view of Retromer function in regulating lysosomal homeostasis and emphasise its role in neuroprotection.
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Affiliation(s)
- James L Daly
- School of Biochemistry, Biomedical Sciences Building, University Walk, University of Bristol, Bristol, BS8 1TD, UK.
- Department of Infectious Diseases, School of Immunology and Microbial Sciences, Guy's Hospital, King's College London, SE1 9RT, London, UK.
| | - Chris M Danson
- School of Biochemistry, Biomedical Sciences Building, University Walk, University of Bristol, Bristol, BS8 1TD, UK
| | - Philip A Lewis
- Bristol Proteomics Facility, School of Biochemistry, Biomedical Sciences Building, University Walk, University of Bristol, BS8 1TD, Bristol, UK
| | - Lu Zhao
- Department of Neurosciences, Case Western Reserve University, Cleveland, OH, USA
| | - Sara Riccardo
- Telethon Institute of Genetics and Medicine, Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy
- Next Generation Diagnostic srl, Pozzuoli, Italy
| | - Lucio Di Filippo
- Telethon Institute of Genetics and Medicine, Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy
- Next Generation Diagnostic srl, Pozzuoli, Italy
| | - Davide Cacchiarelli
- Telethon Institute of Genetics and Medicine, Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy
- Department of Translational Medicine, University of Naples "Federico II", Naples, Italy
- School for Advanced Studies, University of Naples "Federico II", Naples, Italy
| | - Daehoon Lee
- Department of Neurosciences, Case Western Reserve University, Cleveland, OH, USA
| | - Stephen J Cross
- Wolfson Bioimaging Facility, Faculty of Biomedical Sciences, University of Bristol, Bristol, UK
| | - Kate J Heesom
- Bristol Proteomics Facility, School of Biochemistry, Biomedical Sciences Building, University Walk, University of Bristol, BS8 1TD, Bristol, UK
| | - Wen-Cheng Xiong
- Department of Neurosciences, Case Western Reserve University, Cleveland, OH, USA
| | - Andrea Ballabio
- Telethon Institute of Genetics and Medicine, Armenise/Harvard Laboratory of Integrative Genomics, Pozzuoli, Italy
- Department of Translational Medicine, University of Naples "Federico II", Naples, Italy
- School for Advanced Studies, University of Naples "Federico II", Naples, Italy
- Department of Molecular and Human Genetics and Neurological Research Institute, Baylor College of Medicine, Houston, TX, USA
| | - James R Edgar
- Department of Pathology, Cambridge University, Tennis Court Road, Cambridge, UK
| | - Peter J Cullen
- School of Biochemistry, Biomedical Sciences Building, University Walk, University of Bristol, Bristol, BS8 1TD, UK.
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31
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Rinaldi C, Waters CS, Li Z, Kumbier K, Rao L, Nichols RJ, Jacobson MP, Wu LF, Altschuler SJ. Dissecting the effects of GTPase and kinase domain mutations on LRRK2 endosomal localization and activity. Cell Rep 2023; 42:112447. [PMID: 37141099 DOI: 10.1016/j.celrep.2023.112447] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 03/21/2023] [Accepted: 04/13/2023] [Indexed: 05/05/2023] Open
Abstract
Parkinson's disease-causing leucine-rich repeat kinase 2 (LRRK2) mutations lead to varying degrees of Rab GTPase hyperphosphorylation. Puzzlingly, LRRK2 GTPase-inactivating mutations-which do not affect intrinsic kinase activity-lead to higher levels of cellular Rab phosphorylation than kinase-activating mutations. Here, we investigate whether mutation-dependent differences in LRRK2 cellular localization could explain this discrepancy. We discover that blocking endosomal maturation leads to the rapid formation of mutant LRRK2+ endosomes on which LRRK2 phosphorylates substrate Rabs. LRRK2+ endosomes are maintained through positive feedback, which mutually reinforces membrane localization of LRRK2 and phosphorylated Rab substrates. Furthermore, across a panel of mutants, cells expressing GTPase-inactivating mutants form strikingly more LRRK2+ endosomes than cells expressing kinase-activating mutants, resulting in higher total cellular levels of phosphorylated Rabs. Our study suggests that the increased probability that LRRK2 GTPase-inactivating mutants are retained on intracellular membranes compared to kinase-activating mutants leads to higher substrate phosphorylation.
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Affiliation(s)
- Capria Rinaldi
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Christopher S Waters
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Zizheng Li
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Karl Kumbier
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Lee Rao
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA
| | - R Jeremy Nichols
- Department of Pathology, Stanford University, 300 Pasteur Drive, Stanford, CA 94305, USA
| | - Matthew P Jacobson
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA
| | - Lani F Wu
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA.
| | - Steven J Altschuler
- Department of Pharmaceutical Chemistry, University of California, San Francisco, San Francisco, CA 94158, USA.
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32
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Dutta S, Hornung S, Taha HB, Bitan G. Biomarkers for parkinsonian disorders in CNS-originating EVs: promise and challenges. Acta Neuropathol 2023; 145:515-540. [PMID: 37012443 PMCID: PMC10071251 DOI: 10.1007/s00401-023-02557-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2022] [Revised: 02/27/2023] [Accepted: 03/07/2023] [Indexed: 04/05/2023]
Abstract
Extracellular vesicles (EVs), including exosomes, microvesicles, and oncosomes, are nano-sized particles enclosed by a lipid bilayer. EVs are released by virtually all eukaryotic cells and have been shown to contribute to intercellular communication by transporting proteins, lipids, and nucleic acids. In the context of neurodegenerative diseases, EVs may carry toxic, misfolded forms of amyloidogenic proteins and facilitate their spread to recipient cells in the central nervous system (CNS). CNS-originating EVs can cross the blood-brain barrier into the bloodstream and may be found in other body fluids, including saliva, tears, and urine. EVs originating in the CNS represent an attractive source of biomarkers for neurodegenerative diseases, because they contain cell- and cell state-specific biological materials. In recent years, multiple papers have reported the use of this strategy for identification and quantitation of biomarkers for neurodegenerative diseases, including Parkinson's disease and atypical parkinsonian disorders. However, certain technical issues have yet to be standardized, such as the best surface markers for isolation of cell type-specific EVs and validating the cellular origin of the EVs. Here, we review recent research using CNS-originating EVs for biomarker studies, primarily in parkinsonian disorders, highlight technical challenges, and propose strategies for overcoming them.
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Affiliation(s)
- Suman Dutta
- International Institute of Innovation and Technology, New Town, Kolkata, India
| | - Simon Hornung
- Division of Peptide Biochemistry, TUM School of Life Sciences, Technical University of Munich, Freising, Germany
| | - Hash Brown Taha
- Department of Integrative Biology and Physiology, University of California Los Angeles, Los Angeles, CA, USA
- Department of Neurology, David Geffen School of Medicine at UCLA, University of California Los Angeles, 635 Charles E. Young Drive South/Gordon 451, Los Angeles, CA, 90095, USA
| | - Gal Bitan
- Department of Neurology, David Geffen School of Medicine at UCLA, University of California Los Angeles, 635 Charles E. Young Drive South/Gordon 451, Los Angeles, CA, 90095, USA.
- Brain Research Institute, University of California Los Angeles, Los Angeles, CA, USA.
- Molecular Biology Institute, University of California Los Angeles, Los Angeles, CA, USA.
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Guillén-Samander A, De Camilli P. Endoplasmic Reticulum Membrane Contact Sites, Lipid Transport, and Neurodegeneration. Cold Spring Harb Perspect Biol 2023; 15:a041257. [PMID: 36123033 PMCID: PMC10071438 DOI: 10.1101/cshperspect.a041257] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
The Endoplasmic Reticulum (ER) is an endomembrane system that plays a multiplicity of roles in cell physiology and populates even the most distal cell compartments, including dendritic tips and axon terminals of neurons. Some of its functions are achieved by a cross talk with other intracellular membranous organelles and with the plasma membrane at membrane contacts sites (MCSs). As the ER synthesizes most membrane lipids, lipid exchanges mediated by lipid transfer proteins at MCSs are a particularly important aspect of this cross talk, which synergizes with the cross talk mediated by vesicular transport. Several mutations of genes that encode proteins localized at ER MCSs result in familial neurodegenerative diseases, emphasizing the importance of the normal lipid traffic within cells for a healthy brain. Here, we provide an overview of such diseases, with a specific focus on proteins that directly or indirectly impact lipid transport.
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Affiliation(s)
- Andrés Guillén-Samander
- Departments of Neuroscience and of Cell Biology, Howard Hughes Medical Institute, Program in Cellular Neuroscience, Neurodegeneration and Repair, Yale University School of Medicine, New Haven, Connecticut 06520, USA
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, Maryland 20815, USA
| | - Pietro De Camilli
- Departments of Neuroscience and of Cell Biology, Howard Hughes Medical Institute, Program in Cellular Neuroscience, Neurodegeneration and Repair, Yale University School of Medicine, New Haven, Connecticut 06520, USA
- Aligning Science Across Parkinson's (ASAP) Collaborative Research Network, Chevy Chase, Maryland 20815, USA
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Afram E, Lauritzen I, Bourgeois A, El Manaa W, Duplan E, Chami M, Valverde A, Charlotte B, Pardossi-Piquard R, Checler F. The η-secretase-derived APP fragment ηCTF is localized in Golgi, endosomes and extracellular vesicles and contributes to Aβ production. Cell Mol Life Sci 2023; 80:97. [PMID: 36930302 PMCID: PMC10023608 DOI: 10.1007/s00018-023-04737-4] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 02/13/2023] [Accepted: 02/24/2023] [Indexed: 03/18/2023]
Abstract
The processing of the amyloid precursor protein (APP) is one of the key events contributing to Alzheimer's disease (AD) etiology. Canonical cleavages by β- and γ-secretases lead to Aβ production which accumulate in amyloid plaques. Recently, the matrix metalloprotease MT5-MMP, referred to as η-secretase, has been identified as a novel APP cleaving enzyme producing a transmembrane fragment, ηCTF that undergoes subsequent cleavages by α- and β-secretases yielding the Aηα and Aηβ peptides, respectively. The functions and contributions of ηCTF and its related fragments to AD pathology are poorly understood. In this study, we designed a novel immunological probe referred to as ηCTF-NTer antibody that specifically interacts with the N-terminal part of ηCTF targeting ηCTF, Aηα, Aηβ but not C99, C83 and Aβ. We examined the fate and localization of ηCTF fragment in various cell models and in mice. We found that overexpressed ηCTF undergoes degradation in the proteasomal and autophagic pathways and accumulates mainly in the Golgi and in endosomes. Moreover, we observed the presence of ηCTF in small extracellular vesicles purified from neuroblastoma cells or from mouse brains expressing ηCTF. Importantly, the expression of ηCTF in fibroblasts devoid on APP leads to Aβ production demonstrating its contribution to the amyloidogenic pathway. Finally, we observed an ηCTF-like immunoreactivity around amyloid plaques and an age-dependent accumulation of ηCTF in the triple-transgenic mouse AD model. Thus, our study suggests that the ηCTF fragment likely contributes to AD pathology by its exosomal spreading and involvement in Aβ production.
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Affiliation(s)
- Elissa Afram
- Université Côte d'Azur, INSERM, CNRS, IPMC, UMR7275, Team Labeled "Laboratory of Excellence (Labex) DISTALZ", 660 route des Lucioles, 06560, Sophia-Antipolis, Valbonne, France
| | - Inger Lauritzen
- Université Côte d'Azur, INSERM, CNRS, IPMC, UMR7275, Team Labeled "Laboratory of Excellence (Labex) DISTALZ", 660 route des Lucioles, 06560, Sophia-Antipolis, Valbonne, France
| | - Alexandre Bourgeois
- Université Côte d'Azur, INSERM, CNRS, IPMC, UMR7275, Team Labeled "Laboratory of Excellence (Labex) DISTALZ", 660 route des Lucioles, 06560, Sophia-Antipolis, Valbonne, France
| | - Wejdane El Manaa
- Université Côte d'Azur, INSERM, CNRS, IPMC, UMR7275, Team Labeled "Laboratory of Excellence (Labex) DISTALZ", 660 route des Lucioles, 06560, Sophia-Antipolis, Valbonne, France
| | - Eric Duplan
- Université Côte d'Azur, INSERM, CNRS, IPMC, UMR7275, Team Labeled "Laboratory of Excellence (Labex) DISTALZ", 660 route des Lucioles, 06560, Sophia-Antipolis, Valbonne, France
| | - Mounia Chami
- Université Côte d'Azur, INSERM, CNRS, IPMC, UMR7275, Team Labeled "Laboratory of Excellence (Labex) DISTALZ", 660 route des Lucioles, 06560, Sophia-Antipolis, Valbonne, France
| | - Audrey Valverde
- Université Côte d'Azur, INSERM, CNRS, IPMC, UMR7275, Team Labeled "Laboratory of Excellence (Labex) DISTALZ", 660 route des Lucioles, 06560, Sophia-Antipolis, Valbonne, France
- Fonds de Dotation CLINATEC, 17 rue des Martyrs, Bat 43, 38054, Grenoble, France
| | - Bauer Charlotte
- Université Côte d'Azur, INSERM, CNRS, IPMC, UMR7275, Team Labeled "Laboratory of Excellence (Labex) DISTALZ", 660 route des Lucioles, 06560, Sophia-Antipolis, Valbonne, France
| | - Raphaëlle Pardossi-Piquard
- Université Côte d'Azur, INSERM, CNRS, IPMC, UMR7275, Team Labeled "Laboratory of Excellence (Labex) DISTALZ", 660 route des Lucioles, 06560, Sophia-Antipolis, Valbonne, France.
| | - Frederic Checler
- Université Côte d'Azur, INSERM, CNRS, IPMC, UMR7275, Team Labeled "Laboratory of Excellence (Labex) DISTALZ", 660 route des Lucioles, 06560, Sophia-Antipolis, Valbonne, France.
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35
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Zhao Y, Gu Y, Zhang Q, Liu H, Liu Y. The Potential Roles of Exosomes Carrying APP and Tau Cleavage Products in Alzheimer's Disease. J Clin Med 2023; 12:jcm12051883. [PMID: 36902671 PMCID: PMC10003549 DOI: 10.3390/jcm12051883] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2023] [Revised: 02/21/2023] [Accepted: 02/24/2023] [Indexed: 03/08/2023] Open
Abstract
Alzheimer's disease (AD) is the leading cause of dementia throughout the world. It is characterized by major amyloid plaques and neurofibrillary tangles (NFTs), which are composed of amyloid-β (Aβ) peptide and hyperphosphorylated Tau (p-Tau), respectively. Exosomes, which are secreted by cells, are single-membrane lipid bilayer vesicles found in bodily fluids and they have a diameter of 30-150 nm. Recently, they have been considered as critical carriers and biomarkers in AD, as they facilitate communication between cells and tissues by delivering proteins, lipids, and nucleic acids. This review demonstrates that exosomes are natural nanocontainers that carry APP as well as Tau cleavage products secreted by neuronal cells and that their formation is associated with the endosomal-lysosomal pathway. Moreover, these exosomes can transfer AD pathological molecules and participate in the pathophysiological process of AD; therefore, they have potential diagnostic and therapeutic value for AD and might also provide novel insights for screening and prevention of the disease.
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Affiliation(s)
- Yanfang Zhao
- Institute of Biomedical Research, Shandong Provincial Research Center for Bioinformatic Engineering and Technique, Zibo Key Laboratory of New Drug Development of Neurodegenerative Diseases, School of Life Sciences and Medicine, Shandong University of Technology, Zibo 255000, China
- Correspondence:
| | - Yujin Gu
- Institute of Biomedical Research, Shandong Provincial Research Center for Bioinformatic Engineering and Technique, Zibo Key Laboratory of New Drug Development of Neurodegenerative Diseases, School of Life Sciences and Medicine, Shandong University of Technology, Zibo 255000, China
| | - Qili Zhang
- Institute of Biomedical Research, Shandong Provincial Research Center for Bioinformatic Engineering and Technique, Zibo Key Laboratory of New Drug Development of Neurodegenerative Diseases, School of Life Sciences and Medicine, Shandong University of Technology, Zibo 255000, China
| | - Hongliang Liu
- Institute of Biomedical Research, Shandong Provincial Research Center for Bioinformatic Engineering and Technique, Zibo Key Laboratory of New Drug Development of Neurodegenerative Diseases, School of Life Sciences and Medicine, Shandong University of Technology, Zibo 255000, China
| | - Yingying Liu
- Institute of Translational Medicine, The Affiliated Hospital of Hangzhou Normal University, Hangzhou 310015, China
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36
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Nieves Torres D, Lee SH. Inter-neuronal signaling mediated by small extracellular vesicles: wireless communication? Front Mol Neurosci 2023; 16:1187300. [PMID: 37181650 PMCID: PMC10172472 DOI: 10.3389/fnmol.2023.1187300] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Accepted: 04/03/2023] [Indexed: 05/16/2023] Open
Abstract
Conventional inter-neuronal communication conceptualizes the wired method of chemical synapses that physically connect pre-and post-synaptic neurons. In contrast, recent studies indicate that neurons also utilize synapse-independent, hence "wireless" broadcasting-type communications via small extracellular vesicles (EVs). Small EVs including exosomes are secreted vesicles released by cells and contain a variety of signaling molecules including mRNAs, miRNAs, lipids, and proteins. Small EVs are subsequently absorbed by local recipient cells via either membrane fusion or endocytic processes. Therefore, small EVs enable cells to exchange a "packet" of active biomolecules for communication purposes. It is now well established that central neurons also secrete and uptake small EVs, especially exosomes, a type of small EVs that are derived from the intraluminal vesicles of multivesicular bodies. Specific molecules carried by neuronal small EVs are shown to affect a variety of neuronal functions including axon guidance, synapse formation, synapse elimination, neuronal firing, and potentiation. Therefore, this type of volume transmission mediated by small EVs is thought to play important roles not only in activity-dependent changes in neuronal function but also in the maintenance and homeostatic control of local circuitry. In this review, we summarize recent discoveries, catalog neuronal small EV-specific biomolecules, and discuss the potential scope of small EV-mediated inter-neuronal signaling.
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Affiliation(s)
- Damaris Nieves Torres
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, WI, United States
| | - Sang H Lee
- Department of Pharmacology and Toxicology, Medical College of Wisconsin, Milwaukee, WI, United States
- Neuroscience Research Institute, Medical College of Wisconsin, Milwaukee, WI, United States
- *Correspondence: Sang H. Lee,
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37
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Kandimalla R, Saeed M, Tyagi N, Gupta RC, Aqil F. Exosome-based approaches in the management of Alzheimer's disease. Neurosci Biobehav Rev 2023; 144:104974. [PMID: 36435392 DOI: 10.1016/j.neubiorev.2022.104974] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Revised: 11/21/2022] [Accepted: 11/22/2022] [Indexed: 11/25/2022]
Abstract
Alzheimer's disease (AD) has been the most extensively studied neurological disorders that affects millions of individuals globally and is associated with misfolding of proteins in the brain. Amyloid-β and tau are predominantly involved in the pathogenesis of AD. Therapeutic interventions and nanotechnological advancements are useful only in managing the AD symptoms and the cure for this disease remains elusive. Exosomes, originating from most cell and tissue types are regarded as a double-edged sword, considering their roles in the progression and treatment of AD. Exosomes can be manipulated as drug delivery vehicles for a wide range of therapeutic cargos-both small molecules and macromolecules. Herein, we review the roles of exosomes in the pathology, diagnosis, and treatment of AD and highlight their application as a drug carrier to the brain for AD treatment.
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Affiliation(s)
| | - Mohd Saeed
- Department of Biology, College of Sciences, University of Hail, PO Box 2240, Hail, Saudi Arabia
| | - Neetu Tyagi
- Department of Physiology, University of Louisville, Louisville, KY 40202, USA
| | - Ramesh C Gupta
- Brown Cancer Center, University of Louisville, Louisville, KY 40202, USA; Department of Pharmacology and Toxicology, University of Louisville, Louisville, KY 40202, USA
| | - Farrukh Aqil
- Brown Cancer Center, University of Louisville, Louisville, KY 40202, USA; Department of Medicine, University of Louisville, Louisville, KY 40202, USA.
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38
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Gomes P, Tzouanou F, Skolariki K, Vamvaka-Iakovou A, Noguera-Ortiz C, Tsirtsaki K, Waites CL, Vlamos P, Sousa N, Costa-Silva B, Kapogiannis D, Sotiropoulos I. Extracellular vesicles and Alzheimer's disease in the novel era of Precision Medicine: implications for disease progression, diagnosis and treatment. Exp Neurol 2022; 358:114183. [PMID: 35952764 PMCID: PMC9985072 DOI: 10.1016/j.expneurol.2022.114183] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2022] [Revised: 06/17/2022] [Accepted: 07/21/2022] [Indexed: 12/13/2022]
Abstract
Extracellular vesicles (EVs), secreted membranous nano-sized particles, are critical intercellular messengers participating in nervous system homeostasis, while recent evidence implicates EVs in Alzheimer's disease (AD) pathogenesis. Specifically, small EVs have been shown to spread toxic proteins, induce neuronal loss, and contribute to neuroinflammation and AD progression. On the other hand, EVs can reduce amyloid-beta deposition and transfer neuroprotective substances between cells, mitigating disease mechanisms. In addition to their roles in AD pathogenesis, EVs also exhibit great potential for the diagnosis and treatment of other brain disorders, representing an advantageous tool for Precision Medicine. Herein, we summarize the contribution of small EVs to AD-related mechanisms and disease progression, as well as their potential as diagnostic and therapeutic agents for AD.
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Affiliation(s)
- Patrícia Gomes
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Foteini Tzouanou
- Institute of Biosciences & Applications NCSR "Demokritos", Athens, Greece
| | | | - Anastasia Vamvaka-Iakovou
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal; Institute of Biosciences & Applications NCSR "Demokritos", Athens, Greece
| | - Carlos Noguera-Ortiz
- Laboratory of Clinical Investigation, Intramural Research Program, National Institute on Aging, NIH, Baltimore, MD, USA
| | - Katerina Tsirtsaki
- Institute of Biosciences & Applications NCSR "Demokritos", Athens, Greece
| | - Clarissa L Waites
- Department of Pathology and Cell Biology, Taub Institute for Research on Alzheimer's Disease and the Aging Brain, Columbia University Medical Center, New York, NY, USA
| | | | - Nuno Sousa
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal
| | - Bruno Costa-Silva
- Systems Oncology Group, Champalimaud Research, Champalimaud Centre for the Unknown, Av. Brasília, 1400-038 Lisbon, Portugal
| | - Dimitrios Kapogiannis
- Laboratory of Clinical Investigation, Intramural Research Program, National Institute on Aging, NIH, Baltimore, MD, USA
| | - Ioannis Sotiropoulos
- Life and Health Sciences Research Institute (ICVS), School of Medicine, University of Minho, Campus de Gualtar, 4710-057 Braga, Portugal; ICVS/3B's - PT Government Associate Laboratory, Braga/Guimarães, Portugal; Institute of Biosciences & Applications NCSR "Demokritos", Athens, Greece.
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Rinschen MM, Harder JL, Carter-Timofte ME, Zanon Rodriguez L, Mirabelli C, Demir F, Kurmasheva N, Ramakrishnan SK, Kunke M, Tan Y, Billing A, Dahlke E, Larionov AA, Bechtel-Walz W, Aukschun U, Grabbe M, Nielsen R, Christensen EI, Kretzler M, Huber TB, Wobus CE, Olagnier D, Siuzdak G, Grahammer F, Theilig F. VPS34-dependent control of apical membrane function of proximal tubule cells and nutrient recovery by the kidney. Sci Signal 2022; 15:eabo7940. [PMID: 36445937 PMCID: PMC10350314 DOI: 10.1126/scisignal.abo7940] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022]
Abstract
The lipid kinase VPS34 orchestrates autophagy, endocytosis, and metabolism and is implicated in cancer and metabolic disease. The proximal tubule in the kidney is a key metabolic organ that controls reabsorption of nutrients such as fatty acids, amino acids, sugars, and proteins. Here, by combining metabolomics, proteomics, and phosphoproteomics analyses with functional and superresolution imaging assays of mice with an inducible deficiency in proximal tubular cells, we revealed that VPS34 controlled the metabolome of the proximal tubule. In addition to inhibiting pinocytosis and autophagy, VPS34 depletion induced membrane exocytosis and reduced the abundance of the retromer complex necessary for proper membrane recycling and lipid retention, leading to a loss of fuel and biomass. Integration of omics data into a kidney cell metabolomic model demonstrated that VPS34 deficiency increased β-oxidation, reduced gluconeogenesis, and enhanced the use of glutamine for energy consumption. Furthermore, the omics datasets revealed that VPS34 depletion triggered an antiviral response that included a decrease in the abundance of apically localized virus receptors such as ACE2. VPS34 inhibition abrogated SARS-CoV-2 infection in human kidney organoids and cultured proximal tubule cells in a glutamine-dependent manner. Thus, our results demonstrate that VPS34 adjusts endocytosis, nutrient transport, autophagy, and antiviral responses in proximal tubule cells in the kidney.
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Affiliation(s)
- Markus M Rinschen
- Scripps Center for Metabolomics, Scripps Research, La Jolla, CA 92037, USA
- III. Department of Medicine, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
- Department of Biomedicine, Aarhus University, 8000 Aarhus, Denmark
- Department II of Internal Medicine and Center for Molecular Medicine, University of Cologne, 50937 Cologne, Germany
- Aarhus Institute for Advanced Studies, Aarhus University, 8000 Aarhus, Denmark
| | - Jennifer L Harder
- Division of Nephrology, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | | | | | - Carmen Mirabelli
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Fatih Demir
- Department of Biomedicine, Aarhus University, 8000 Aarhus, Denmark
| | | | | | - Madlen Kunke
- Department of Anatomy, Christian-Albrechts-University Kiel, 24118 Kiel, Germany
| | - Yifan Tan
- Department of Biomedicine, Aarhus University, 8000 Aarhus, Denmark
| | - Anja Billing
- Department of Biomedicine, Aarhus University, 8000 Aarhus, Denmark
| | - Eileen Dahlke
- Department of Anatomy, Christian-Albrechts-University Kiel, 24118 Kiel, Germany
| | - Alexey A Larionov
- Department of Medicine, University of Fribourg, 1700 Fribourg, Switzerland
| | - Wibke Bechtel-Walz
- IV Department of Medicine and Faculty of Medicine, University Medical Center Freiburg, 79110 Freiburg, Germany
| | - Ute Aukschun
- IV Department of Medicine and Faculty of Medicine, University Medical Center Freiburg, 79110 Freiburg, Germany
| | - Marlen Grabbe
- IV Department of Medicine and Faculty of Medicine, University Medical Center Freiburg, 79110 Freiburg, Germany
| | - Rikke Nielsen
- Department of Biomedicine, Aarhus University, 8000 Aarhus, Denmark
| | | | - Matthias Kretzler
- Division of Nephrology, Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - Tobias B Huber
- III. Department of Medicine, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Christiane E Wobus
- Department of Microbiology and Immunology, University of Michigan Medical School, Ann Arbor, MI 48109, USA
| | - David Olagnier
- Department of Biomedicine, Aarhus University, 8000 Aarhus, Denmark
| | - Gary Siuzdak
- Scripps Center for Metabolomics, Scripps Research, La Jolla, CA 92037, USA
| | - Florian Grahammer
- III. Department of Medicine, University Medical Center Hamburg-Eppendorf, 20251 Hamburg, Germany
| | - Franziska Theilig
- Department of Anatomy, Christian-Albrechts-University Kiel, 24118 Kiel, Germany
- Department of Medicine, University of Fribourg, 1700 Fribourg, Switzerland
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40
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Polanco JC, Götz J. Exosomal and vesicle-free tau seeds-propagation and convergence in endolysosomal permeabilization. FEBS J 2022; 289:6891-6907. [PMID: 34092031 DOI: 10.1111/febs.16055] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2021] [Revised: 05/19/2021] [Accepted: 06/04/2021] [Indexed: 01/13/2023]
Abstract
In Alzheimer's disease (AD), β-amyloid peptides aggregate to form amyloid plaques, and the microtubule-associated protein tau forms neurofibrillary tangles. However, severity and duration of AD correlate with the stereotypical emergence of tau tangles throughout the brain, suggestive of a gradual region-to-region spreading of pathological tau. The current notion in the field is that misfolded tau seeds propagate transsynaptically and corrupt the proper folding of soluble tau in recipient neurons. This is supported by accumulating evidence showing that in AD, functional connectivity and not proximity predicts the spreading of tau pathology. Tau seeds can be found in two flavors, vesicle-free, that is, naked as in oligomers and fibrils, or encapsulated by membranes of secreted vesicles known as exosomes. Both types of seeds have been shown to propagate between interconnected neurons. Here, we describe potential ways of how their propagation can be controlled in several subcellular compartments by manipulating mechanisms affecting production, neuron-to-neuron transmission, internalization, endosomal escape, and autophagy. We emphasize that although vesicle-free tau seeds and exosomes differ, they share the ability to trigger endolysosomal permeabilization. Such a mechanistic convergence in endolysosomal permeabilization presents itself as a unique opportunity to target both types of tau seeding. We discuss the cellular response to endolysosomal damage that might be key to control permeabilization, and the significant overlap in the seeding mechanism of proteopathic agents other than tau, which suggests that targeting the endolysosomal pathway could pave the way toward developing broad-spectrum treatments for neurodegenerative diseases.
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Affiliation(s)
- Juan Carlos Polanco
- Clem Jones Centre for Ageing Dementia Research (CJCADR), Queensland Brain Institute (QBI), The University of Queensland, Brisbane, QLD, Australia
| | - Jürgen Götz
- Clem Jones Centre for Ageing Dementia Research (CJCADR), Queensland Brain Institute (QBI), The University of Queensland, Brisbane, QLD, Australia
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41
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Ayyubova G. Dysfunctional microglia and tau pathology in Alzheimer’s disease. Rev Neurosci 2022; 34:443-458. [DOI: 10.1515/revneuro-2022-0087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2022] [Accepted: 09/07/2022] [Indexed: 11/15/2022]
Abstract
Abstract
Extensive human studies and animal models show that chronic immune system stimulation involving microglia, inflammasome, complement activation, synthesis of cytokines, and reactive oxygen species exacerbates neurodegeneration in Alzheimer’s disease (AD) and other tauopathies. Abnormalities in tau, Aβ, and microglial activation are frequently observed in dementia patients and indicate that these elements may work in concert to cause cognitive impairment. Contradicting reports from postmortem studies demonstrating the presence of Aβ aggregates in the brains of cognitively healthy individuals, as well as other investigations, show that tau aggregation is more strongly associated with synapse loss, neurodegeneration, and cognitive decline than amyloid pathology. Tau association with microtubules’ surface promotes their growth and maintains their assembly, dynamicity, and stability. In contrast, the reduced affinity of hyperphosphorylated and mislocalized tau to microtubules leads to axonal deficits and neurofibrillary tangles (NFTs). Loss of microglial neuroprotective and phagocytic functions, as indicated by the faulty clearance of amyloid plaques, as well as correlations between microglial activation and tau tangle spread, all demonstrate the critical involvement of malfunctioning microglia in driving tau propagation. This review discusses the recent reports on the contribution of microglial cells to the development and progression of tau pathology. The detailed study of pathogenic mechanisms involved in interactions between neuroinflammation and tau spread is critical in identifying the targets for efficacious treatment strategies in AD.
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Affiliation(s)
- Gunel Ayyubova
- Department of Cytology, Embryology and Histology , Azerbaijan Medical University , S. Vurgun Street , Baku 1102 , Azerbaijan
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42
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Urzì O, Olofsson Bagge R, Crescitelli R. The dark side of foetal bovine serum in extracellular vesicle studies. J Extracell Vesicles 2022; 11:e12271. [PMID: 36214482 PMCID: PMC9549727 DOI: 10.1002/jev2.12271] [Citation(s) in RCA: 21] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/1912] [Revised: 12/12/1912] [Accepted: 12/12/1912] [Indexed: 11/06/2022] Open
Abstract
Extracellular vesicles (EVs) have been shown to be involved in cell-cell communication and to take part in both physiological and pathological processes. Thanks to their exclusive cargo, which includes proteins, lipids, and nucleic acids from the originating cells, they are gaining interest as potential biomarkers of disease. In recent years, their appealing features have been fascinating researchers from all over the world, thus increasing the number of in vitro studies focused on EV release, content, and biological activities. Cultured cell lines are the most-used source of EVs; however, the EVs released in cell cultures are influenced by the cell culture conditions, such as the use of foetal bovine serum (FBS). FBS is the most common supplement for cell culture media, but it is also a source of contaminants, such as exogenous bovine EVs, RNA, and protein aggregates, that can contaminate the cell-derived EVs and influence their cargo composition. The presence of FBS contaminants in cell-derived EV samples is a well-known issue that limits the clinical applications of EVs, thus increasing the need for standardization. In this review, we will discuss the pros and cons of using FBS in cell cultures as a source of EVs, as well as the protocols used to remove contaminants from FBS.
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Affiliation(s)
- Ornella Urzì
- Sahlgrenska Center for Cancer Research and Wallenberg Centre for Molecular and Translational MedicineDepartment of SurgeryInstitute of Clinical SciencesSahlgrenska AcademyUniversity of GothenburgGothenburgSweden
- Department of BiomedicineNeurosciences and Advanced Diagnostics (Bi.N.D)University of PalermoPalermoItaly
| | - Roger Olofsson Bagge
- Sahlgrenska Center for Cancer Research and Wallenberg Centre for Molecular and Translational MedicineDepartment of SurgeryInstitute of Clinical SciencesSahlgrenska AcademyUniversity of GothenburgGothenburgSweden
- Department of SurgerySahlgrenska University HospitalRegion Västra GötalandGothenburgSweden
| | - Rossella Crescitelli
- Sahlgrenska Center for Cancer Research and Wallenberg Centre for Molecular and Translational MedicineDepartment of SurgeryInstitute of Clinical SciencesSahlgrenska AcademyUniversity of GothenburgGothenburgSweden
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43
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Beatriz M, Vilaça R, Anjo SI, Manadas B, Januário C, Rego AC, Lopes C. Defective mitochondria-lysosomal axis enhances the release of extracellular vesicles containing mitochondrial DNA and proteins in Huntington's disease. JOURNAL OF EXTRACELLULAR BIOLOGY 2022; 1:e65. [PMID: 38939215 PMCID: PMC11080813 DOI: 10.1002/jex2.65] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2022] [Revised: 07/21/2022] [Accepted: 09/23/2022] [Indexed: 06/29/2024]
Abstract
Mitochondrial and autophagy dysfunction are mechanisms proposed to be involved in the pathogenesis of several neurodegenerative diseases. Huntington's disease (HD) is a progressive neurodegenerative disorder associated with mutant Huntingtin-induced abnormalities in neuronal mitochondrial dynamics and quality control. Former studies suggest that the removal of defective mitochondria may be compromised in HD. Mitochondrial quality control (MQC) is a complex, well-orchestrated pathway that can be compromised through mitophagy dysregulation or impairment in the mitochondria-lysosomal axis. Another mitochondrial stress response is the generation of mitochondrial-derived vesicles that fuse with the endolysosomal system and form multivesicular bodies that are extruded from cells as extracellular vesicles (EVs). In this work, we aimed to study the presence of mitochondrial components in human EVs and the relation to the dysfunction of both mitochondria and the autophagy pathway. We comprehensively characterized the mitochondrial and autophagy alterations in premanifest and manifest HD carriers and performed a proteomic and genomic EVs profile. We observed that manifest HD patients exhibit mitochondrial and autophagy impairment associated with enhanced EVs release. Furthermore, we detected mitochondrial DNA and proteins in EVs released by HD cells and in neuronal-derived EVs including VDAC-1 and alpha and beta subunits of ATP synthase F1. HD-extracellular vesicles transport higher levels of mitochondrial genetic material in manifest HD patients, suggesting an alternative pathway for the secretion of reactive mitochondrial components. This study provides a novel framework connecting EVs enhanced release of mitochondrial components to mitochondrial and lysosomal dysfunction in HD.
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Affiliation(s)
- Margarida Beatriz
- CNC‐Center for Neuroscience and Cell BiologyCIBB ‐ Centre for Innovative Biomedicine and BiotechnologyUniversity of CoimbraCoimbraPortugal
- IIIUC‐Institute for Interdisciplinary ResearchUniversity of CoimbraCoimbraPortugal
| | - Rita Vilaça
- CNC‐Center for Neuroscience and Cell BiologyCIBB ‐ Centre for Innovative Biomedicine and BiotechnologyUniversity of CoimbraCoimbraPortugal
- IIIUC‐Institute for Interdisciplinary ResearchUniversity of CoimbraCoimbraPortugal
| | - Sandra I. Anjo
- CNC‐Center for Neuroscience and Cell BiologyCIBB ‐ Centre for Innovative Biomedicine and BiotechnologyUniversity of CoimbraCoimbraPortugal
- Multidisciplinary Institute of AgeingUniversity of CoimbraCoimbraPortugal
| | - Bruno Manadas
- CNC‐Center for Neuroscience and Cell BiologyCIBB ‐ Centre for Innovative Biomedicine and BiotechnologyUniversity of CoimbraCoimbraPortugal
| | | | - A. Cristina Rego
- CNC‐Center for Neuroscience and Cell BiologyCIBB ‐ Centre for Innovative Biomedicine and BiotechnologyUniversity of CoimbraCoimbraPortugal
- FMUC‐Faculty of MedicineUniversity of CoimbraCoimbraPortugal
| | - Carla Lopes
- CNC‐Center for Neuroscience and Cell BiologyCIBB ‐ Centre for Innovative Biomedicine and BiotechnologyUniversity of CoimbraCoimbraPortugal
- IIIUC‐Institute for Interdisciplinary ResearchUniversity of CoimbraCoimbraPortugal
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44
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Hullin-Matsuda F, Colosetti P, Rabia M, Luquain-Costaz C, Delton I. Exosomal lipids from membrane organization to biomarkers: Focus on an endolysosomal-specific lipid. Biochimie 2022; 203:77-92. [DOI: 10.1016/j.biochi.2022.09.016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 09/22/2022] [Accepted: 09/26/2022] [Indexed: 11/30/2022]
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45
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Lu A. Endolysosomal cholesterol export: More than just NPC1. Bioessays 2022; 44:e2200111. [PMID: 35934896 DOI: 10.1002/bies.202200111] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/22/2022] [Accepted: 07/26/2022] [Indexed: 11/07/2022]
Abstract
NPC1 plays a central role in cholesterol egress from endolysosomes, a critical step for maintaining intracellular cholesterol homeostasis. Despite recent advances in the field, the full repertoire of molecules and pathways involved in this process remains unknown. Emerging evidence suggests the existence of NPC1-independent, alternative routes. These may involve vesicular and non-vesicular mechanisms, as well as release of extracellular vesicles. Understanding the underlying molecular mechanisms that bypass NPC1 function could have important implications for the development of therapies for lysosomal storage disorders. Here we discuss how cholesterol may be exported from lysosomes in which NPC1 function is impaired.
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Affiliation(s)
- Albert Lu
- Departament de Biomedicina, Unitat de Biologia Cellular, Facultat de Medicina i Ciències de la Salut, Centre de Recerca Biomèdica CELLEX, Institut d'Investigacions Biomèdiques August Pi i Sunyer, Universitat de Barcelona, Barcelona, Spain
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46
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New insights into the role and mechanisms of ginsenoside Rg1 in the management of Alzheimer's disease. Biomed Pharmacother 2022; 152:113207. [PMID: 35667236 DOI: 10.1016/j.biopha.2022.113207] [Citation(s) in RCA: 29] [Impact Index Per Article: 14.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2022] [Revised: 05/11/2022] [Accepted: 05/25/2022] [Indexed: 11/20/2022] Open
Abstract
Alzheimer's disease (AD) is a common neurodegenerative disorder in the elderly characterized by memory loss and cognitive dysfunction. The pathogenesis of AD is complex. One-targeted anti-AD drugs usually fail to delay AD progression. Traditional Chinese medicine records have documented the use of the roots of Panax ginseng (ginseng roots) and its prescriptions to treat dementia. Ginsenoside Rg1, the main ginsenoside component of ginseng roots, exhibits a certain therapeutic effect in the abovementioned diseases, suggesting its potential in the management of AD. Therefore, we combed the pathogenesis of AD and currently used anti-AD drugs, and reviewed the availability, pharmacokinetics, and pharmaceutic studies of ginsenoside Rg1. This review summarizes the therapeutic effects and mechanisms of ginsenoside Rg1 and its deglycosylated derivatives in AD in vivo and in vitro. The main mechanisms include improvement in Aβ and Tau pathologies, regulation of synaptic function and intestinal microflora, and reduction of inflammation, oxidative stress, and apoptosis. The underlying mechanisms mainly involve the regulation of PKC, MAPK, PI3K/Akt, CDK5, GSK-3β, BDNF/TrkB, PKA/CREB, FGF2/Akt, p21WAF1/CIP1, NF-κB, NLRP1, TLR3, and TLR4 signaling pathways. As the effects and underlying mechanisms of ginsenoside Rg1 on AD have not been systematically reviewed, we have provided a comprehensive review and shed light on the future directions in the utilization of ginsenoside Rg1 and ginseng roots as well as the development of anti-AD drugs.
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47
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Jennings D, Huntwork-Rodriguez S, Henry AG, Sasaki JC, Meisner R, Diaz D, Solanoy H, Wang X, Negrou E, Bondar VV, Ghosh R, Maloney MT, Propson NE, Zhu Y, Maciuca RD, Harris L, Kay A, LeWitt P, King TA, Kern D, Ellenbogen A, Goodman I, Siderowf A, Aldred J, Omidvar O, Masoud ST, Davis SS, Arguello A, Estrada AA, de Vicente J, Sweeney ZK, Astarita G, Borin MT, Wong BK, Wong H, Nguyen H, Scearce-Levie K, Ho C, Troyer MD. Preclinical and clinical evaluation of the LRRK2 inhibitor DNL201 for Parkinson's disease. Sci Transl Med 2022; 14:eabj2658. [PMID: 35675433 DOI: 10.1126/scitranslmed.abj2658] [Citation(s) in RCA: 99] [Impact Index Per Article: 49.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
Mutations in leucine-rich repeat kinase 2 (LRRK2) are the most common genetic risk factors for Parkinson's disease (PD). Increased LRRK2 kinase activity is thought to impair lysosomal function and may contribute to the pathogenesis of PD. Thus, inhibition of LRRK2 is a potential disease-modifying therapeutic strategy for PD. DNL201 is an investigational, first-in-class, CNS-penetrant, selective, ATP-competitive, small-molecule LRRK2 kinase inhibitor. In preclinical models, DNL201 inhibited LRRK2 kinase activity as evidenced by reduced phosphorylation of both LRRK2 at serine-935 (pS935) and Rab10 at threonine-73 (pT73), a direct substrate of LRRK2. Inhibition of LRRK2 by DNL201 demonstrated improved lysosomal function in cellular models of disease, including primary mouse astrocytes and fibroblasts from patients with Gaucher disease. Chronic administration of DNL201 to cynomolgus macaques at pharmacologically relevant doses was not associated with adverse findings. In phase 1 and phase 1b clinical trials in 122 healthy volunteers and in 28 patients with PD, respectively, DNL201 at single and multiple doses inhibited LRRK2 and was well tolerated at doses demonstrating LRRK2 pathway engagement and alteration of downstream lysosomal biomarkers. Robust cerebrospinal fluid penetration of DNL201 was observed in both healthy volunteers and patients with PD. These data support the hypothesis that LRRK2 inhibition has the potential to correct lysosomal dysfunction in patients with PD at doses that are generally safe and well tolerated, warranting further clinical development of LRRK2 inhibitors as a therapeutic modality for PD.
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Affiliation(s)
| | | | | | | | - René Meisner
- Denali Therapeutics Inc., South San Francisco, CA, USA
| | - Dolores Diaz
- Denali Therapeutics Inc., South San Francisco, CA, USA
| | - Hilda Solanoy
- Denali Therapeutics Inc., South San Francisco, CA, USA
| | - Xiang Wang
- Denali Therapeutics Inc., South San Francisco, CA, USA
| | - Elvira Negrou
- Denali Therapeutics Inc., South San Francisco, CA, USA
| | | | | | | | | | - Yuda Zhu
- Denali Therapeutics Inc., South San Francisco, CA, USA
| | | | - Laura Harris
- Denali Therapeutics Inc., South San Francisco, CA, USA
| | - Angela Kay
- Denali Therapeutics Inc., South San Francisco, CA, USA
| | | | | | - Drew Kern
- University of Colorado, School of Medicine, Aurora, CO, USA
| | - Aaron Ellenbogen
- Michigan Institute for Neurological Disorders, Farmington Hills, MI, USA
| | | | - Andrew Siderowf
- University of Pennsylvania, Penn Neurology Pennsylvania Hospital, Philadelphia, PA, USA
| | | | - Omid Omidvar
- Collaborative Neuroscience Research, Long Beach, CA, USA
| | | | | | | | | | | | | | - Giuseppe Astarita
- Denali Therapeutics Inc., South San Francisco, CA, USA.,Henry Ford Health System, Detroit, MI, USA
| | - Marie T Borin
- Denali Therapeutics Inc., South San Francisco, CA, USA
| | | | - Harvey Wong
- University of British Columbia, Vancouver, BC, Canada
| | - Hoang Nguyen
- Denali Therapeutics Inc., South San Francisco, CA, USA
| | | | - Carole Ho
- Denali Therapeutics Inc., South San Francisco, CA, USA
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48
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Solvik TA, Nguyen TA, Tony Lin YH, Marsh T, Huang EJ, Wiita AP, Debnath J, Leidal AM. Secretory autophagy maintains proteostasis upon lysosome inhibition. J Cell Biol 2022; 221:213172. [PMID: 35446347 DOI: 10.1083/jcb.202110151] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2021] [Revised: 03/02/2022] [Accepted: 03/23/2022] [Indexed: 12/14/2022] Open
Abstract
The endolysosome system plays central roles in both autophagic degradation and secretory pathways, including the release of extracellular vesicles and particles (EVPs). Although previous work reveals important interconnections between autophagy and EVP-mediated secretion, our understanding of these secretory events during endolysosome inhibition remains incomplete. Here, we delineate a secretory autophagy pathway upregulated in response to endolysosomal inhibition, which mediates EVP-associated release of autophagic cargo receptors, including p62/SQSTM1. This secretion is highly regulated and dependent on multiple ATGs required for autophagosome formation, as well as the small GTPase Rab27a. Furthermore, disrupting autophagosome maturation, either via genetic inhibition of autophagosome-to-autolysosome fusion or expression of SARS-CoV-2 ORF3a, is sufficient to induce EVP secretion of autophagy cargo receptors. Finally, ATG-dependent EVP secretion buffers against the intracellular accumulation of autophagy cargo receptors when classical autophagic degradation is impaired. Thus, we propose secretory autophagy via EVPs functions as an alternate route to clear sequestered material and maintain proteostasis during endolysosomal dysfunction or impaired autophagosome maturation.
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Affiliation(s)
- Tina A Solvik
- Department of Pathology, University of California, San Francisco, San Francisco, CA.,Biomedical Sciences Graduate Program, University of California, San Francisco, San Francisco, CA
| | - Tan A Nguyen
- Department of Pathology, University of California, San Francisco, San Francisco, CA
| | - Yu-Hsiu Tony Lin
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA
| | - Timothy Marsh
- Department of Pathology, University of California, San Francisco, San Francisco, CA.,Biomedical Sciences Graduate Program, University of California, San Francisco, San Francisco, CA
| | - Eric J Huang
- Department of Pathology, University of California, San Francisco, San Francisco, CA
| | - Arun P Wiita
- Department of Laboratory Medicine, University of California, San Francisco, San Francisco, CA.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA
| | - Jayanta Debnath
- Department of Pathology, University of California, San Francisco, San Francisco, CA.,Helen Diller Family Comprehensive Cancer Center, University of California, San Francisco, San Francisco, CA
| | - Andrew M Leidal
- Department of Pathology, University of California, San Francisco, San Francisco, CA
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49
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Yap CC, Mason AJ, Winckler B. Dynamics and distribution of endosomes and lysosomes in dendrites. Curr Opin Neurobiol 2022; 74:102537. [DOI: 10.1016/j.conb.2022.102537] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2022] [Revised: 02/16/2022] [Accepted: 03/06/2022] [Indexed: 11/03/2022]
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50
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Abdi S, Javanmehr N, Ghasemi-Kasman M, Bali HY, Pirzadeh M. Stem Cell-based Therapeutic and Diagnostic Approaches in Alzheimer's Disease. Curr Neuropharmacol 2022; 20:1093-1115. [PMID: 34970956 PMCID: PMC9886816 DOI: 10.2174/1570159x20666211231090659] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2021] [Revised: 07/24/2021] [Accepted: 09/21/2021] [Indexed: 11/22/2022] Open
Abstract
BACKGROUND Alzheimer's disease (AD) is a neurodegenerative impairment mainly recognized by memory loss and cognitive deficits. However, the current therapies against AD are mostly limited to palliative medications, prompting researchers to investigate more efficient therapeutic approaches for AD, such as stem cell therapy. Recent evidence has proposed that extensive neuronal and synaptic loss and altered adult neurogenesis, which is perceived pivotal in terms of plasticity and network maintenance, occurs early in the course of AD, which exacerbates neuronal vulnerability to AD. Thus, regeneration and replenishing the depleted neuronal networks by strengthening the endogenous repair mechanisms or exogenous stem cells and their cargoes is a rational therapeutic approach. Currently, several stem cell-based therapies as well as stem cell products like exosomes, have shown promising results in the early diagnosis of AD. OBJECTIVE This review begins with a comparison between AD and normal aging pathophysiology and a discussion on open questions in the field. Next, summarizing the current stem cell-based therapeutic and diagnostic approaches, we declare the advantages and disadvantages of each method. Also, we comprehensively evaluate the human clinical trials of stem cell therapies for AD. METHODOLOGY Peer-reviewed reports were extracted through Embase, PubMed, and Google Scholar until 2021. RESULTS With several ongoing clinical trials, stem cells and their derivatives (e.g., exosomes) are an emerging and encouraging field in diagnosing and treating neurodegenerative diseases. Although stem cell therapies have been successful in animal models, numerous clinical trials in AD patients have yielded unpromising results, which we will further discuss.
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Affiliation(s)
- Sadaf Abdi
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Nima Javanmehr
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
| | - Maryam Ghasemi-Kasman
- Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran;,Neuroscience Research Center, Health Research Institute, Babol University of Medical Sciences, Babol, Iran,Address correspondence to this author at the Cellular and Molecular Biology Research Center, Health Research Institute, Babol University of Medical Sciences, P.O. Box 4136747176, Babol, Iran; Tel/Fax: +98-11-32190557; E-mail:
| | | | - Marzieh Pirzadeh
- Student Research Committee, Babol University of Medical Sciences, Babol, Iran
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