1
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Bayati A, McPherson PS. Alpha-synuclein, autophagy-lysosomal pathway, and Lewy bodies: Mutations, propagation, aggregation, and the formation of inclusions. J Biol Chem 2024; 300:107742. [PMID: 39233232 DOI: 10.1016/j.jbc.2024.107742] [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: 04/02/2024] [Revised: 08/21/2024] [Accepted: 08/23/2024] [Indexed: 09/06/2024] Open
Abstract
Research into the pathophysiology of Parkinson's disease (PD) is a fast-paced pursuit, with new findings about PD and other synucleinopathies being made each year. The involvement of various lysosomal proteins, such as TFEB, TMEM175, GBA, and LAMP1/2, marks the rising awareness about the importance of lysosomes in PD and other neurodegenerative disorders. This, along with recent developments regarding the involvement of microglia and the immune system in neurodegenerative diseases, has brought about a new era in neurodegeneration: the role of proinflammatory cytokines on the nervous system, and their downstream effects on mitochondria, lysosomal degradation, and autophagy. More effort is needed to understand the interplay between neuroimmunology and disease mechanisms, as many of the mechanisms remain enigmatic. α-synuclein, a key protein in PD and the main component of Lewy bodies, sits at the nexus between lysosomal degradation, autophagy, cellular stress, neuroimmunology, PD pathophysiology, and disease progression. This review revisits some fundamental knowledge about PD while capturing some of the latest trends in PD research, specifically as it relates to α-synuclein.
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Affiliation(s)
- Armin Bayati
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill, University, Montreal, Quebec, Canada.
| | - Peter S McPherson
- Department of Neurology and Neurosurgery, Montreal Neurological Institute, McGill, University, Montreal, Quebec, Canada.
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2
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Yanagawa K, Kuma A, Hamasaki M, Kita S, Yamamuro T, Nishino K, Nakamura S, Omori H, Kaminishi T, Oikawa S, Kato Y, Edahiro R, Kawagoe R, Taniguchi T, Tanaka Y, Shima T, Tabata K, Iwatani M, Bekku N, Hanayama R, Okada Y, Akimoto T, Kosako H, Takahashi A, Shimomura I, Sakata Y, Yoshimori T. The Rubicon-WIPI axis regulates exosome biogenesis during ageing. Nat Cell Biol 2024; 26:1558-1570. [PMID: 39174742 DOI: 10.1038/s41556-024-01481-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Accepted: 07/15/2024] [Indexed: 08/24/2024]
Abstract
Cells release intraluminal vesicles in multivesicular bodies as exosomes to communicate with other cells. Although recent studies suggest an intimate link between exosome biogenesis and autophagy, the detailed mechanism is not fully understood. Here we employed comprehensive RNA interference screening for autophagy-related factors and discovered that Rubicon, a negative regulator of autophagy, is essential for exosome release. Rubicon recruits WIPI2d to endosomes to promote exosome biogenesis. Interactome analysis of WIPI2d identified the ESCRT components that are required for intraluminal vesicle formation. Notably, we found that Rubicon is required for an age-dependent increase of exosome release in mice. In addition, small RNA sequencing of serum exosomes revealed that Rubicon determines the fate of exosomal microRNAs associated with cellular senescence and longevity pathways. Taken together, our current results suggest that the Rubicon-WIPI axis functions as a key regulator of exosome biogenesis and is responsible for age-dependent changes in exosome quantity and quality.
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Affiliation(s)
- Kyosuke Yanagawa
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Japan
- Department of Cardiovascular Medicine, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Akiko Kuma
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Japan
- Health Promotion System Science, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Maho Hamasaki
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Japan
- Laboratory of Intracellular Membrane Dynamics, Graduate School of Frontier Biosciences, Osaka University, Suita, Japan
| | - Shunbun Kita
- Department of Metabolic Medicine, Graduate School of Medicine, Osaka University, Suita, Japan
- Tokyo New Drug Research Laboratories, Pharmaceutical Business Unit, Kowa Company, Higashimurayama, Japan
| | - Tadashi Yamamuro
- Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
| | - Kohei Nishino
- Division of Cell Signaling, Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Shuhei Nakamura
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Japan
- Laboratory of Intracellular Membrane Dynamics, Graduate School of Frontier Biosciences, Osaka University, Suita, Japan
- Institute for Advanced Co-Creation Studies, Osaka University, Suita, Japan
- Department of Biochemistry, Nara Medical University, Kashihara, Japan
| | - Hiroko Omori
- Research Institute for Microbial Diseases, Osaka University, Suita, Japan
| | - Tatsuya Kaminishi
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Japan
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Japan
| | - Satoshi Oikawa
- Division of Endocrinology, Diabetes and Metabolism, Beth Israel Deaconess Medical Center and Harvard Medical School, Boston, MA, USA
- Waseda Institute for Sport Sciences, Waseda University, Tokorozawa, Japan
| | - Yoshio Kato
- Biomedical Research Institute, National Institute of Advanced Industrial Science and Technology, Tsukuba, Japan
| | - Ryuya Edahiro
- Department of Statistical Genetics, Osaka University Graduate School of Medicine, Suita, Japan
- Department of Respiratory Medicine and Clinical Immunology, Osaka University Graduate School of Medicine, Suita, Japan
| | - Ryosuke Kawagoe
- i2i-Labo, Yokohama Research Center, Central Pharmaceutical Research Institute, Japan Tobacco Inc., Yokohama, Japan
| | - Takako Taniguchi
- i2i-Labo, Yokohama Research Center, Central Pharmaceutical Research Institute, Japan Tobacco Inc., Yokohama, Japan
| | - Yoko Tanaka
- Division of Cellular Senescence, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Takayuki Shima
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Japan
- Department of Biochemistry, Nara Medical University, Kashihara, Japan
| | - Keisuke Tabata
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Japan
- Laboratory of Intracellular Membrane Dynamics, Graduate School of Frontier Biosciences, Osaka University, Suita, Japan
| | - Miki Iwatani
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Nao Bekku
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Rikinari Hanayama
- Department of Immunology, Graduate School of Medical Sciences, Kanazawa University, Kanazawa, Japan
- WPI Nano Life Science Institute, Kanazawa University, Kanazawa, Japan
| | - Yukinori Okada
- Department of Statistical Genetics, Osaka University Graduate School of Medicine, Suita, Japan
- Department of Genome Informatics, Graduate School of Medicine, University of Tokyo, Tokyo, Japan
- Laboratory for Systems Genetics, RIKEN Center for Integrative Medical Sciences, Yokohama, Japan
- Laboratory of Statistical Immunology, WPI Immunology Frontier Research Center, Osaka University, Suita, Japan
- WPI Premium Research Institute for Human Metaverse Medicine, Osaka University, Suita, Japan
| | - Takayuki Akimoto
- Laboratory of Muscle Biology, Faculty of Sport Sciences, Waseda University, Tokorozawa, Japan
| | - Hidetaka Kosako
- Division of Cell Signaling, Fujii Memorial Institute of Medical Sciences, Institute of Advanced Medical Sciences, Tokushima University, Tokushima, Japan
| | - Akiko Takahashi
- Division of Cellular Senescence, The Cancer Institute, Japanese Foundation for Cancer Research, Tokyo, Japan
| | - Iichiro Shimomura
- Department of Metabolic Medicine, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Yasushi Sakata
- Department of Cardiovascular Medicine, Graduate School of Medicine, Osaka University, Suita, Japan
| | - Tamotsu Yoshimori
- Department of Genetics, Graduate School of Medicine, Osaka University, Suita, Japan.
- Health Promotion System Science, Graduate School of Medicine, Osaka University, Suita, Japan.
- Laboratory of Intracellular Membrane Dynamics, Graduate School of Frontier Biosciences, Osaka University, Suita, Japan.
- Integrated Frontier Research for Medical Science Division, Institute for Open and Transdisciplinary Research Initiatives, Osaka University, Suita, Japan.
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Bernhardt AM, Nemati M, Boros FA, Hopfner F, Levin J, Mollenhauer B, Winkler J, Zerr I, Zunke F, Höglinger G. α-Synuclein Seed Amplification Assays from Blood-Based Extracellular Vesicles in Parkinson's Disease: An Evaluation of the Evidence. Mov Disord 2024; 39:1269-1271. [PMID: 38989741 DOI: 10.1002/mds.29923] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2024] [Accepted: 05/17/2024] [Indexed: 07/12/2024] Open
Affiliation(s)
- Alexander Maximilian Bernhardt
- Department of Neurology, LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Munich, Germany
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany
| | - Mojtaba Nemati
- Department of Neurology, LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Munich, Germany
| | | | - Franziska Hopfner
- Department of Neurology, LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Munich, Germany
| | - Johannes Levin
- Department of Neurology, LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Munich, Germany
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany
- Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
| | - Brit Mollenhauer
- Paracelsus Elena Clinic, Kassel, Germany
- Department of Neurology, University Medical Center, Georg August University, Göttingen, Germany
| | - Jürgen Winkler
- Department of Molecular Neurology, University Hospital Erlangen, Erlangen, Germany
- Center for Rare Diseases (ZSEER), University Hospital Erlangen, Erlangen, Germany
| | - Inga Zerr
- Department of Neurology, University Medical Center, Georg August University, Göttingen, Germany
- German Center for Neurodegenerative Diseases (DZNE), Göttingen, Germany
| | - Friederike Zunke
- Department of Molecular Neurology, University Hospital Erlangen, Erlangen, Germany
| | - Günter Höglinger
- Department of Neurology, LMU University Hospital, Ludwig-Maximilians-Universität (LMU) München, Munich, Germany
- German Center for Neurodegenerative Diseases (DZNE), Munich, Germany
- Munich Cluster for Systems Neurology (SyNergy), Munich, Germany
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Mazzotta GM, Conte C. Alpha Synuclein Toxicity and Non-Motor Parkinson's. Cells 2024; 13:1265. [PMID: 39120295 PMCID: PMC11311369 DOI: 10.3390/cells13151265] [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: 06/13/2024] [Revised: 07/12/2024] [Accepted: 07/24/2024] [Indexed: 08/10/2024] Open
Abstract
Parkinson's disease (PD) is a common multisystem neurodegenerative disorder affecting 1% of the population over the age of 60 years. The main neuropathological features of PD are the loss of dopaminergic neurons in the substantia nigra pars compacta (SNpc) and the presence of alpha synuclein (αSyn)-rich Lewy bodies both manifesting with classical motor signs. αSyn has emerged as a key protein in PD pathology as it can spread through synaptic networks to reach several anatomical regions of the body contributing to the appearance of non-motor symptoms (NMS) considered prevalent among individuals prior to PD diagnosis and persisting throughout the patient's life. NMS mainly includes loss of taste and smell, constipation, psychiatric disorders, dementia, impaired rapid eye movement (REM) sleep, urogenital dysfunction, and cardiovascular impairment. This review summarizes the more recent findings on the impact of αSyn deposits on several prodromal NMS and emphasizes the importance of early detection of αSyn toxic species in biofluids and peripheral biopsies as prospective biomarkers in PD.
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Affiliation(s)
| | - Carmela Conte
- Department of Pharmaceutical Sciences, University of Perugia, 06126 Perugia, Italy
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Filippini F, Galli T. Unveiling defects of secretion mechanisms in Parkinson's disease. J Biol Chem 2024; 300:107603. [PMID: 39059489 PMCID: PMC11378209 DOI: 10.1016/j.jbc.2024.107603] [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: 01/30/2024] [Revised: 07/11/2024] [Accepted: 07/15/2024] [Indexed: 07/28/2024] Open
Abstract
Neurodegenerative diseases are characterized by progressive dysfunction and loss of specific sets of neurons. While extensive research has focused on elucidating the genetic and epigenetic factors and molecular mechanisms underlying these disorders, emerging evidence highlights the critical role of secretion in the pathogenesis, possibly even onset, and progression of neurodegenerative diseases, suggesting the occurrence of non-cell-autonomous mechanisms. Secretion is a fundamental process that regulates intercellular communication, supports cellular homeostasis, and orchestrates various physiological functions in the body. Defective secretion can impair the release of neurotransmitters and other signaling molecules, disrupting synaptic transmission and compromising neuronal survival. It can also contribute to the accumulation, misfolding, and aggregation of disease-associated proteins, leading to neurotoxicity and neuronal dysfunction. In this review, we discuss the implications of defective secretion in the context of Parkinson's disease, emphasizing its role in protein aggregation, synaptic dysfunction, extracellular vesicle secretion, and neuroinflammation. We propose a multiple-hit model whereby protein accumulation and secretory defects must be combined for the onset and progression of the disease.
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Affiliation(s)
- Francesca Filippini
- Department of Cell Biology, Yale University School of Medicine, New Haven, Connecticut, USA; Department of Neuroscience, Yale University School of Medicine, New Haven, Connecticut, USA
| | - Thierry Galli
- Université Paris Cité, Institute of Psychiatry and Neuroscience of Paris, INSERM U1266, Membrane Traffic in Healthy & Diseased Brain, Paris, France; Groupe Hospitalier Universitaire Paris Psychiatrie & Neurosciences, Paris, France.
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6
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Chen Z, Li W, Meng B, Xu C, Huang Y, Li G, Wen Z, Liu J, Mao Z. Neuronal-enriched small extracellular vesicles trigger a PD-L1-mediated broad suppression of T cells in Parkinson's disease. iScience 2024; 27:110243. [PMID: 39006478 PMCID: PMC11246066 DOI: 10.1016/j.isci.2024.110243] [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: 01/23/2024] [Revised: 04/16/2024] [Accepted: 06/07/2024] [Indexed: 07/16/2024] Open
Abstract
Many clinical studies indicate a significant decrease of peripheral T cells in Parkinson's disease (PD). There is currently no mechanistic explanation for this important observation. Here, we found that small extracellular vesicles (sEVs) derived from in vitro and in vivo PD models suppressed IL-4 and INF-γ production from both purified CD4+ and CD8+ T cells and inhibited their activation and proliferation. Furthermore, neuronal-enriched sEVs (NEEVs) isolated from plasma of A53T-syn mice and culture media of human dopaminergic neurons carrying A53T-syn mutation also suppressed Th1 and Th2 differentiation of naive CD4+ T cells. Mechanistically, the suppressed phenotype induced by NEEVs was associated with altered programmed death ligand 1 (PD-L1) level in T cells. Blocking PD-L1 with an anti-PD-L1 antibody or a small molecule inhibitor BMS-1166 reversed T cell suppression. Our study provides the basis for exploring peripheral T cells in PD pathogenesis and as biomarkers or therapeutic targets for the disease.
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Affiliation(s)
- Zhichun Chen
- Departments of Pharmacology & Chemical Biology and Neurology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Department of Neurology and Institute of Neurology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
- Department of Neurology, The Second Affiliated Hospital of Hainan Medical University, Haikou 570311, China
| | - Wenming Li
- Departments of Pharmacology & Chemical Biology and Neurology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Bo Meng
- Departments of Pharmacology & Chemical Biology and Neurology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Chongchong Xu
- Departments of Psychiatry and Behavioral Sciences and Cell Biology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Yiqi Huang
- The Graduate Program in Neuroscience, Laney Graduate School, Emory University, Atlanta, GA 30322, USA
| | - Guanglu Li
- Department of Neurology and Institute of Neurology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Zhexing Wen
- Departments of Psychiatry and Behavioral Sciences and Cell Biology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Department of Neurology, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Jun Liu
- Department of Neurology and Institute of Neurology, Ruijin Hospital Affiliated to Shanghai Jiao Tong University School of Medicine, Shanghai 200025, China
| | - Zixu Mao
- Departments of Pharmacology & Chemical Biology and Neurology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Department of Neurology, Emory University School of Medicine, Atlanta, GA 30322, USA
- Center for Neurodegenerative Diseases, Emory University School of Medicine, Atlanta, GA 30322, USA
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7
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Yan J, Kahyo T, Zhang H, Ping Y, Zhang C, Jiang S, Ji Q, Ferdous R, Islam MS, Oyama S, Aramaki S, Sato T, Mimi MA, Hasan MM, Setou M. Alpha-Synuclein Interaction with UBL3 Is Upregulated by Microsomal Glutathione S-Transferase 3, Leading to Increased Extracellular Transport of the Alpha-Synuclein under Oxidative Stress. Int J Mol Sci 2024; 25:7353. [PMID: 39000460 PMCID: PMC11242132 DOI: 10.3390/ijms25137353] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2024] [Revised: 06/28/2024] [Accepted: 07/02/2024] [Indexed: 07/16/2024] Open
Abstract
Aberrant aggregation of misfolded alpha-synuclein (α-syn), a major pathological hallmark of related neurodegenerative diseases such as Parkinson's disease (PD), can translocate between cells. Ubiquitin-like 3 (UBL3) is a membrane-anchored ubiquitin-fold protein and post-translational modifier. UBL3 promotes protein sorting into small extracellular vesicles (sEVs) and thereby mediates intercellular communication. Our recent studies have shown that α-syn interacts with UBL3 and that this interaction is downregulated after silencing microsomal glutathione S-transferase 3 (MGST3). However, how MGST3 regulates the interaction of α-syn and UBL3 remains unclear. In the present study, we further explored this by overexpressing MGST3. In the split Gaussia luciferase complementation assay, we found that the interaction between α-syn and UBL3 was upregulated by MGST3. While Western blot and RT-qPCR analyses showed that silencing or overexpression of MGST3 did not significantly alter the expression of α-syn and UBL3, the immunocytochemical staining analysis indicated that MGST3 increased the co-localization of α-syn and UBL3. We suggested roles for the anti-oxidative stress function of MGST3 and found that the effect of MGST3 overexpression on the interaction between α-syn with UBL3 was significantly rescued under excess oxidative stress and promoted intracellular α-syn to extracellular transport. In conclusion, our results demonstrate that MGST3 upregulates the interaction between α-syn with UBL3 and promotes the interaction to translocate intracellular α-syn to the extracellular. Overall, our findings provide new insights and ideas for promoting the modulation of UBL3 as a therapeutic agent for the treatment of synucleinopathy-associated neurodegenerative diseases.
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Affiliation(s)
- Jing Yan
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
| | - Tomoaki Kahyo
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
- Quantum Imaging Laboratory, Division of Research and Development in Photonics Technology, Institute of Photonics Medicine, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan
| | - Hengsen Zhang
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
| | - Yashuang Ping
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
| | - Chi Zhang
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
| | - Shuyun Jiang
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
- Department of Orthopedic Surgery, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan
| | - Qianqing Ji
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
| | - Rafia Ferdous
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
| | - Md. Shoriful Islam
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
| | - Soho Oyama
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
| | - Shuhei Aramaki
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
- Department of Radiation Oncology, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan
- Translational Biomedical Photonics, Institute of Photonics Medicine, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan
| | - Tomohito Sato
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
| | - Mst. Afsana Mimi
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
| | - Md. Mahmudul Hasan
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
| | - Mitsutoshi Setou
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan; (J.Y.); (T.K.); (H.Z.); (Y.P.); (C.Z.); (S.J.); (Q.J.); (R.F.); (M.S.I.); (S.O.); (S.A.); (T.S.); (M.A.M.); (M.M.H.)
- International Mass Imaging and Spatial Omics Center, Institute of Photonics Medicine, Hamamatsu University School of Medicine, 1-20-1 Handayama, Chuo-ku, Hamamatsu, Shizuoka 431-3192, Japan
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8
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Kou L, Wang Y, Li J, Zou W, Jin Z, Yin S, Chi X, Sun Y, Wu J, Wang T, Xia Y. Mitochondria-lysosome-extracellular vesicles axis and nanotheranostics in neurodegenerative diseases. Exp Neurol 2024; 376:114757. [PMID: 38508481 DOI: 10.1016/j.expneurol.2024.114757] [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: 12/21/2023] [Revised: 02/29/2024] [Accepted: 03/14/2024] [Indexed: 03/22/2024]
Abstract
The intricate functional interactions between mitochondria and lysosomes play a pivotal role in maintaining cellular homeostasis and proper cellular functions. This dynamic interplay involves the exchange of molecules and signaling, impacting cellular metabolism, mitophagy, organellar dynamics, and cellular responses to stress. Dysregulation of these processes has been implicated in various neurodegenerative diseases. Additionally, mitochondrial-lysosomal crosstalk regulates the exosome release in neurons and glial cells. Under stress conditions, neurons and glial cells exhibit mitochondrial dysfunction and a fragmented network, which further leads to lysosomal dysfunction, thereby inhibiting autophagic flux and enhancing exosome release. This comprehensive review synthesizes current knowledge on mitochondrial regulation of cell death, organelle dynamics, and vesicle trafficking, emphasizing their significant contributions to neurodegenerative diseases. Furthermore, we explore the emerging field of nanomedicine in the management of neurodegenerative diseases. The review provides readers with an insightful overview of nano strategies that are currently advancing the mitochondrial-lysosome-extracellular vesicle axis as a therapeutic approach for mitigating neurodegenerative diseases.
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Affiliation(s)
- Liang Kou
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yiming Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jingwen Li
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Wenkai Zou
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Zongjie Jin
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Sijia Yin
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Xiaosa Chi
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Yadi Sun
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Jiawei Wu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Tao Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
| | - Yun Xia
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
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9
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Sano T, Nagata T, Ebihara S, Yoshida-Tanaka K, Nakamura A, Sasaki A, Shimozawa A, Mochizuki H, Uchihara T, Hasegawa M, Yokota T. Effects of local reduction of endogenous α-synuclein using antisense oligonucleotides on the fibril-induced propagation of pathology through the neural network in wild-type mice. Acta Neuropathol Commun 2024; 12:75. [PMID: 38745295 PMCID: PMC11092238 DOI: 10.1186/s40478-024-01766-3] [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: 03/21/2024] [Accepted: 03/26/2024] [Indexed: 05/16/2024] Open
Abstract
In Parkinson's disease and other synucleinopathies, fibrillar forms of α-synuclein (aSyn) are hypothesized to structurally convert and pathologize endogenous aSyn, which then propagates through the neural connections, forming Lewy pathologies and ultimately causing neurodegeneration. Inoculation of mouse-derived aSyn preformed fibrils (PFFs) into the unilateral striatum of wild-type mice causes widespread aSyn pathologies in the brain through the neural network. Here, we used the local injection of antisense oligonucleotides (ASOs) against Snca mRNA to confine the area of endogenous aSyn protein reduction and not to affect the PFFs properties in this model. We then varied the timing and location of ASOs injection to examine their impact on the initiation and propagation of aSyn pathologies in the whole brain and the therapeutic effect using abnormally-phosphorylated aSyn (pSyn) as an indicator. By injecting ASOs before or 0-14 days after the PFFs were inoculated into the same site in the left striatum, the reduction in endogenous aSyn in the striatum leads to the prevention and inhibition of the regional spread of pSyn pathologies to the whole brain including the contralateral right hemisphere. ASO post-injection inhibited extension from neuritic pathologies to somatic ones. Moreover, injection of ASOs into the right striatum prevented the remote regional spread of pSyn pathologies from the left striatum where PFFs were inoculated and no ASO treatment was conducted. This indicated that the reduction in endogenous aSyn protein levels at the propagation destination site can attenuate pSyn pathologies, even if those at the propagation initiation site are not inhibited, which is consistent with the original concept of prion-like propagation that endogenous aSyn is indispensable for this regional spread. Our results demonstrate the importance of recruiting endogenous aSyn in this neural network propagation model and indicate a possible potential for ASO treatment in synucleinopathies.
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Affiliation(s)
- Tatsuhiko Sano
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan
- Center for Brain Integration Research, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan
| | - Tetsuya Nagata
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan.
- Center for Brain Integration Research, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan.
- NucleoTIDE and PepTIDE Drug Discovery Center, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan.
| | - Satoe Ebihara
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan
- Center for Brain Integration Research, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan
| | - Kie Yoshida-Tanaka
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan
- Center for Brain Integration Research, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan
| | - Ayako Nakamura
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan
- Center for Brain Integration Research, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan
| | - Asuka Sasaki
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan
- Center for Brain Integration Research, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan
| | - Aki Shimozawa
- Department of Brain and Neurosciences, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-Ku, Tokyo, 156-0057, Japan
| | - Hideki Mochizuki
- Department of Neurology, Osaka University Graduate School of Medicine, 2-2 Yamadaoka, Suita, 565-0871, Japan
| | - Toshiki Uchihara
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan
- Center for Brain Integration Research, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan
| | - Masato Hasegawa
- Department of Brain and Neurosciences, Tokyo Metropolitan Institute of Medical Science, 2-1-6 Kamikitazawa, Setagaya-Ku, Tokyo, 156-0057, Japan
| | - Takanori Yokota
- Department of Neurology and Neurological Science, Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan.
- Center for Brain Integration Research, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan.
- NucleoTIDE and PepTIDE Drug Discovery Center, Tokyo Medical and Dental University, 1-5-45 Yushima, Bunkyo-Ku, Tokyo, 113-8519, Japan.
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10
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Tam S, Wear D, Morrone CD, Yu WH. The complexity of extracellular vesicles: Bridging the gap between cellular communication and neuropathology. J Neurochem 2024. [PMID: 38650384 DOI: 10.1111/jnc.16108] [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: 01/14/2024] [Revised: 03/12/2024] [Accepted: 03/31/2024] [Indexed: 04/25/2024]
Abstract
Brain-derived extracellular vesicles (EVs) serve a prominent role in maintaining homeostasis and contributing to pathology in health and disease. This review establishes a crucial link between physiological processes leading to EV biogenesis and their impacts on disease. EVs are involved in the clearance and transport of proteins and nucleic acids, responding to changes in cellular processes associated with neurodegeneration, including autophagic disruption, organellar dysfunction, aging, and other cell stresses. In neurodegenerative disorders (e.g., Alzheimer's disease, Parkinson's disease, etc.), EVs contribute to the spread of pathological proteins like amyloid β, tau, ɑ-synuclein, prions, and TDP-43, exacerbating neurodegeneration and accelerating disease progression. Despite evidence for both neuropathological and neuroprotective effects of EVs, the mechanistic switch between their physiological and pathological functions remains elusive, warranting further research into their involvement in neurodegenerative disease. Moreover, owing to their innate ability to traverse the blood-brain barrier and their ubiquitous nature, EVs emerge as promising candidates for novel diagnostic and therapeutic strategies. The review uniquely positions itself at the intersection of EV cell biology, neurophysiology, and neuropathology, offering insights into the diverse biological roles of EVs in health and disease.
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Affiliation(s)
- Stephanie Tam
- Brain Health Imaging Centre, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
| | - Darcy Wear
- Brain Health Imaging Centre, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
| | - Christopher D Morrone
- Brain Health Imaging Centre, Centre for Addiction and Mental Health, Toronto, Ontario, Canada
| | - Wai Haung Yu
- Department of Pharmacology and Toxicology, University of Toronto, Toronto, Ontario, Canada
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11
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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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12
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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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13
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You JR, Wen ZJ, Tian JW, Lv XB, Li R, Li SP, Xin H, Li PF, Zhang YF, Zhang R. Crosstalk between ubiquitin ligases and ncRNAs drives cardiovascular disease progression. Front Immunol 2024; 15:1335519. [PMID: 38515760 PMCID: PMC10954775 DOI: 10.3389/fimmu.2024.1335519] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 02/26/2024] [Indexed: 03/23/2024] Open
Abstract
Cardiovascular diseases (CVDs) are multifactorial chronic diseases and have the highest rates of morbidity and mortality worldwide. The ubiquitin-proteasome system (UPS) plays a crucial role in posttranslational modification and quality control of proteins, maintaining intracellular homeostasis via degradation of misfolded, short-lived, or nonfunctional regulatory proteins. Noncoding RNAs (ncRNAs, such as microRNAs, long noncoding RNAs, circular RNAs and small interfering RNAs) serve as epigenetic factors and directly or indirectly participate in various physiological and pathological processes. NcRNAs that regulate ubiquitination or are regulated by the UPS are involved in the execution of target protein stability. The cross-linked relationship between the UPS, ncRNAs and CVDs has drawn researchers' attention. Herein, we provide an update on recent developments and perspectives on how the crosstalk of the UPS and ncRNAs affects the pathological mechanisms of CVDs, particularly myocardial ischemia/reperfusion injury, myocardial infarction, cardiomyopathy, heart failure, atherosclerosis, hypertension, and ischemic stroke. In addition, we further envision that RNA interference or ncRNA mimics or inhibitors targeting the UPS can potentially be used as therapeutic tools and strategies.
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Affiliation(s)
- Jia-Rui You
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, Shandong, China
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Zeng-Jin Wen
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, Shandong, China
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Jia-Wei Tian
- Department of Emergency Internal Medicine, The Affiliated Hospital of Qingdao University, Qingdao, Shandong, China
| | - Xiao-Bing Lv
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, Shandong, China
| | - Rong Li
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, Shandong, China
| | - Shu-Ping Li
- Department of Cardiology, The Affiliated Qingdao Third People's Hospital of Qingdao University, Qingdao University, Qingdao, Shandong, China
| | - Hui Xin
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, Shandong, China
| | - Pei-Feng Li
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Yin-Feng Zhang
- Institute for Translational Medicine, The Affiliated Hospital of Qingdao University, College of Medicine, Qingdao University, Qingdao, China
| | - Rui Zhang
- Department of Cardiology, The Affiliated Hospital of Qingdao University, Qingdao University, Qingdao, Shandong, China
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14
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Kou L, Chi X, Sun Y, Yin S, Wu J, Zou W, Wang Y, Jin Z, Huang J, Xiong N, Xia Y, Wang T. Circadian regulation of microglia function: Potential targets for treatment of Parkinson's Disease. Ageing Res Rev 2024; 95:102232. [PMID: 38364915 DOI: 10.1016/j.arr.2024.102232] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Revised: 02/11/2024] [Accepted: 02/11/2024] [Indexed: 02/18/2024]
Abstract
Circadian rhythms are involved in the regulation of many aspects of the body, including cell function, physical activity and disease. Circadian disturbance often predates the typical symptoms of neurodegenerative diseases and is not only a non-motor symptom, but also one of the causes of their occurrence and progression. Glial cells possess circadian clocks that regulate their function to maintain brain development and homeostasis. Emerging evidence suggests that the microglial circadian clock is involved in the regulation of many physiological processes, such as cytokine release, phagocytosis, and nutritional and metabolic support, and that disruption of the microglia clock may affect multiple aspects of Parkinson's disease, especially neuroinflammation and α-synuclein processes. Herein, we review recent advances in the circadian control of microglia function in health and disease, and discuss novel pharmacological interventions for microglial clocks in neurodegenerative disorders.
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Affiliation(s)
- Liang Kou
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Xiaosa Chi
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yadi Sun
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Sijia Yin
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jiawei Wu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Wenkai Zou
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yiming Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Zongjie Jin
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Jinsha Huang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Nian Xiong
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China
| | - Yun Xia
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
| | - Tao Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, 430022, China.
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15
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Shiraishi T, Bono K, Hiraki H, Manome Y, Oka H, Iguchi Y, Okano HJ. The impact of VPS35 D620N mutation on alternative autophagy and its reversal by estrogen in Parkinson's disease. Cell Mol Life Sci 2024; 81:103. [PMID: 38409392 PMCID: PMC10896810 DOI: 10.1007/s00018-024-05123-4] [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: 10/17/2023] [Revised: 01/09/2024] [Accepted: 01/10/2024] [Indexed: 02/28/2024]
Abstract
VPS35 plays a key role in neurodegenerative processes in Alzheimer's disease and Parkinson's disease (PD). Many genetic studies have shown a close relationship between autophagy and PD pathophysiology, and specifically, the PD-causing D620N mutation in VPS35 has been shown to impair autophagy. However, the molecular mechanisms underlying neuronal cell death and impaired autophagy in PD are debated. Notably, increasing evidence suggests that Rab9-dependent "alternative" autophagy, which is driven by a different molecular mechanism that driving ATG5-dependent "conventional" autophagy, also contributes to neurodegenerative process. In this study, we investigated the relationship between alternative autophagy and VPS35 D620N mutant-related PD pathogenesis. We isolated iPSCs from the blood mononuclear cell population of two PD patients carrying the VPS35 D620N mutant. In addition, we used CRISPR-Cas9 to generate SH-SY5Y cells carrying the D620N variant of VPS35. We first revealed that the number of autophagic vacuoles was significantly decreased in ATG5-knockout Mouse Embryonic Fibroblast or ATG5-knockdown patient-derived dopaminergic neurons carrying the VPS35 D620N mutant compared with that of the wild type VPS35 control cells. Furthermore, estrogen, which activates alternative autophagy pathways, increased the number of autophagic vacuoles in ATG5-knockdown VPS35 D620N mutant dopaminergic neurons. Estrogen induces Rab9 phosphorylation, mediated through Ulk1 phosphorylation, ultimately regulating alternative autophagy. Moreover, estrogen reduced the apoptosis rate of VPS35 D620N neurons, and this effect of estrogen was diminished under alternative autophagy knockdown conditions. In conclusion, alternative autophagy might be important for maintaining neuronal homeostasis and may be associated with the neuroprotective effect of estrogen in PD with VPS35 D620N.
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Affiliation(s)
- Tomotaka Shiraishi
- Division of Regenerative Medicine, The Jikei University School of Medicine, 3‑25‑8 Nishi‑Shinbashi, Minato‑ku, Tokyo, 1058461, Japan
- Department of Neurology, The Jikei University School of Medicine, 3‑25‑8 Nishi‑Shinbashi, Minato‑ku, Tokyo, 105‑8461, Japan
| | - Keiko Bono
- Division of Regenerative Medicine, The Jikei University School of Medicine, 3‑25‑8 Nishi‑Shinbashi, Minato‑ku, Tokyo, 1058461, Japan
- Department of Neurology, The Jikei University School of Medicine, 3‑25‑8 Nishi‑Shinbashi, Minato‑ku, Tokyo, 105‑8461, Japan
| | - Hiromi Hiraki
- Department of Neurology, The Jikei University School of Medicine, 3‑25‑8 Nishi‑Shinbashi, Minato‑ku, Tokyo, 105‑8461, Japan
| | - Yoko Manome
- Division of Regenerative Medicine, The Jikei University School of Medicine, 3‑25‑8 Nishi‑Shinbashi, Minato‑ku, Tokyo, 1058461, Japan
| | - Hisayoshi Oka
- Department of Neurology, The Jikei University School of Medicine, 3‑25‑8 Nishi‑Shinbashi, Minato‑ku, Tokyo, 105‑8461, Japan
| | - Yasuyuki Iguchi
- Department of Neurology, The Jikei University School of Medicine, 3‑25‑8 Nishi‑Shinbashi, Minato‑ku, Tokyo, 105‑8461, Japan
| | - Hirotaka James Okano
- Division of Regenerative Medicine, The Jikei University School of Medicine, 3‑25‑8 Nishi‑Shinbashi, Minato‑ku, Tokyo, 1058461, Japan.
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16
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Carreras Mascaro A, Grochowska MM, Boumeester V, Dits NFJ, Bilgiҫ EN, Breedveld GJ, Vergouw L, de Jong FJ, van Royen ME, Bonifati V, Mandemakers W. LRP10 and α-synuclein transmission in Lewy body diseases. Cell Mol Life Sci 2024; 81:75. [PMID: 38315424 PMCID: PMC10844361 DOI: 10.1007/s00018-024-05135-0] [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: 06/27/2023] [Revised: 01/13/2024] [Accepted: 01/21/2024] [Indexed: 02/07/2024]
Abstract
Autosomal dominant variants in LRP10 have been identified in patients with Lewy body diseases (LBDs), including Parkinson's disease (PD), Parkinson's disease-dementia (PDD), and dementia with Lewy bodies (DLB). Nevertheless, there is little mechanistic insight into the role of LRP10 in disease pathogenesis. In the brains of control individuals, LRP10 is typically expressed in non-neuronal cells like astrocytes and neurovasculature, but in idiopathic and genetic cases of PD, PDD, and DLB, it is also present in α-synuclein-positive neuronal Lewy bodies. These observations raise the questions of what leads to the accumulation of LRP10 in Lewy bodies and whether a possible interaction between LRP10 and α-synuclein plays a role in disease pathogenesis. Here, we demonstrate that wild-type LRP10 is secreted via extracellular vesicles (EVs) and can be internalised via clathrin-dependent endocytosis. Additionally, we show that LRP10 secretion is highly sensitive to autophagy inhibition, which induces the formation of atypical LRP10 vesicular structures in neurons in human-induced pluripotent stem cells (iPSC)-derived brain organoids. Furthermore, we show that LRP10 overexpression leads to a strong induction of monomeric α-synuclein secretion, together with time-dependent, stress-sensitive changes in intracellular α-synuclein levels. Interestingly, patient-derived astrocytes carrying the c.1424 + 5G > A LRP10 variant secrete aberrant high-molecular-weight species of LRP10 in EV-free media fractions. Finally, we show that this truncated patient-derived LRP10 protein species (LRP10splice) binds to wild-type LRP10, reduces LRP10 wild-type levels, and antagonises the effect of LRP10 on α-synuclein levels and distribution. Together, this work provides initial evidence for a possible functional role of LRP10 in LBDs by modulating intra- and extracellular α-synuclein levels, and pathogenic mechanisms linked to the disease-associated c.1424 + 5G > A LRP10 variant, pointing towards potentially important disease mechanisms in LBDs.
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Affiliation(s)
- Ana Carreras Mascaro
- Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Martyna M Grochowska
- Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Valerie Boumeester
- Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Natasja F J Dits
- Department of Urology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Ece Naz Bilgiҫ
- Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Guido J Breedveld
- Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Leonie Vergouw
- Department of Neurology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Frank Jan de Jong
- Department of Neurology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Martin E van Royen
- Department of Pathology, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Vincenzo Bonifati
- Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, The Netherlands
| | - Wim Mandemakers
- Department of Clinical Genetics, Erasmus Medical Center, Rotterdam, The Netherlands.
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17
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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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18
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Xu X, Iqbal Z, Xu L, Wen C, Duan L, Xia J, Yang N, Zhang Y, Liang Y. Brain-derived extracellular vesicles: Potential diagnostic biomarkers for central nervous system diseases. Psychiatry Clin Neurosci 2024; 78:83-96. [PMID: 37877617 DOI: 10.1111/pcn.13610] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/20/2023] [Revised: 10/15/2023] [Accepted: 10/22/2023] [Indexed: 10/26/2023]
Abstract
Extracellular vesicles (EVs) are membrane-enclosed nanovesicles secreted by cells into the extracellular space and contain functional biomolecules, e.g. signaling receptors, bioactive lipids, nucleic acids, and proteins, which can serve as biomarkers. Neurons and glial cells secrete EVs, contributing to various physiological and pathological aspects of brain diseases. EVs confer their role in the bidirectional crosstalk between the central nervous system (CNS) and the periphery owing to their distinctive ability to cross the unique blood-brain barrier (BBB). Thus, EVs in the blood, cerebrospinal fluid (CSF), and urine can be intriguing biomarkers, enabling the minimally invasive diagnosis of CNS diseases. Although there has been an enormous interest in evaluating EVs as promising biomarkers, the lack of ultra-sensitive approaches for isolating and detecting brain-derived EVs (BDEVs) has hindered the development of efficient biomarkers. This review presents the recent salient findings of exosomal biomarkers, focusing on brain disorders. We summarize highly sensitive sensors for EV detection and state-of-the-art methods for single EV detection. Finally, the prospect of developing advanced EV analysis approaches for the non-invasive diagnosis of brain diseases is presented.
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Affiliation(s)
- Xiao Xu
- Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - Zoya Iqbal
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Limei Xu
- Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - Caining Wen
- Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
| | - Li Duan
- Department of Orthopedics, The First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, China
| | - Jiang Xia
- Department of Chemistry, The Chinese University of Hong Kong, Hong Kong, China
| | - Ningning Yang
- Lake Erie College of Osteopathic Medicine School of Pharmacy, Bradenton, Florida, USA
| | - Yuanmin Zhang
- Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
- College of Rehabilitation Medicine, Jining Medical University, Jining, China
| | - Yujie Liang
- Affiliated Hospital of Jining Medical University, Jining Medical University, Jining, China
- College of Rehabilitation Medicine, Jining Medical University, Jining, China
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19
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Li H, Yuan Y, Xie Q, Dong Z. Exosomes: potential targets for the diagnosis and treatment of neuropsychiatric disorders. J Transl Med 2024; 22:115. [PMID: 38287384 PMCID: PMC10826005 DOI: 10.1186/s12967-024-04893-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2023] [Accepted: 01/14/2024] [Indexed: 01/31/2024] Open
Abstract
The field of neuropsychiatry is considered a middle ground between neurological and psychiatric disorders, thereby bridging the conventional boundaries between matter and mind, consciousness, and function. Neuropsychiatry aims to evaluate and treat cognitive, behavioral, and emotional disorders in individuals with neurological conditions. However, the pathophysiology of these disorders is not yet fully understood, and objective biological indicators for these conditions are currently lacking. Treatment options are also limited due to the blood-brain barrier, which results in poor treatment effects. Additionally, many drugs, particularly antipsychotic drugs, have adverse reactions, which make them difficult to tolerate for patients. As a result, patients often abandon treatment owing to these adverse reactions. Since the discovery of exosomes in 1983, they have been extensively studied in various diseases owing to their potential as nanocellulators for information exchange between cells. Because exosomes can freely travel between the center and periphery, brain-derived exosomes can reflect the state of the brain, which has considerable advantages in diagnosis and treatment. In addition, administration of engineered exosomes can improve therapeutic efficacy, allow lesion targeting, ensure drug stability, and prevent systemic adverse effects. Therefore, this article reviews the source and biological function of exosomes, relationship between exosomes and the blood-brain barrier, relationship between exosomes and the pathological mechanism of neuropsychiatric disorders, exosomes in the diagnosis and treatment of neuropsychiatric disorders, and application of engineered exosomes in neuropsychiatric disorders.
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Affiliation(s)
- Haorao Li
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China
| | - Yanling Yuan
- Department of Pharmacy, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China
| | - Qinglian Xie
- Department of Outpatient, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China.
| | - Zaiquan Dong
- Department of Psychiatry and National Clinical Research Center for Geriatrics, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China.
- Mental Health Center, West China Hospital, Sichuan University, Chengdu, 610041, People's Republic of China.
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20
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Gualerzi A, Picciolini S, Bedoni M, Guerini FR, Clerici M, Agliardi C. Extracellular Vesicles as Biomarkers for Parkinson's Disease: How Far from Clinical Translation? Int J Mol Sci 2024; 25:1136. [PMID: 38256215 PMCID: PMC10816807 DOI: 10.3390/ijms25021136] [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: 11/29/2023] [Revised: 01/08/2024] [Accepted: 01/15/2024] [Indexed: 01/24/2024] Open
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder affecting about 10 million people worldwide with a prevalence of about 2% in the over-80 population. The disease brings in also a huge annual economic burden, recently estimated by the Michael J Fox Foundation for Parkinson's Research to be USD 52 billion in the United States alone. Currently, no effective cure exists, but available PD medical treatments are based on symptomatic prescriptions that include drugs, surgical approaches and rehabilitation treatment. Due to the complex biology of a PD brain, the design of clinical trials and the personalization of treatment strategies require the identification of accessible and measurable biomarkers to monitor the events induced by treatment and disease progression and to predict patients' responsiveness. In the present review, we strive to briefly summarize current knowledge about PD biomarkers, focusing on the role of extracellular vesicles as active or involuntary carriers of disease-associated proteins, with particular attention to those research works that envision possible clinical applications.
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Affiliation(s)
- Alice Gualerzi
- IRCCS Fondazione Don Gnocchi Onlus, 20148 Milan, Italy; (A.G.); (S.P.); (M.C.); (C.A.)
| | - Silvia Picciolini
- IRCCS Fondazione Don Gnocchi Onlus, 20148 Milan, Italy; (A.G.); (S.P.); (M.C.); (C.A.)
| | - Marzia Bedoni
- IRCCS Fondazione Don Gnocchi Onlus, 20148 Milan, Italy; (A.G.); (S.P.); (M.C.); (C.A.)
| | - Franca Rosa Guerini
- IRCCS Fondazione Don Gnocchi Onlus, 20148 Milan, Italy; (A.G.); (S.P.); (M.C.); (C.A.)
| | - Mario Clerici
- IRCCS Fondazione Don Gnocchi Onlus, 20148 Milan, Italy; (A.G.); (S.P.); (M.C.); (C.A.)
- Department of Pathophysiology and Transplantation, University of Milan, 20122 Milan, Italy
| | - Cristina Agliardi
- IRCCS Fondazione Don Gnocchi Onlus, 20148 Milan, Italy; (A.G.); (S.P.); (M.C.); (C.A.)
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21
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Eisenbaum M, Pearson A, Ortiz C, Mullan M, Crawford F, Ojo J, Bachmeier C. ApoE4 expression disrupts tau uptake, trafficking, and clearance in astrocytes. Glia 2024; 72:184-205. [PMID: 37668005 DOI: 10.1002/glia.24469] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2023] [Revised: 08/07/2023] [Accepted: 08/26/2023] [Indexed: 09/06/2023]
Abstract
Tauopathies are a collection of neurodegenerative diseases characterized by the accumulation of pathogenic aggregates of the microtubule-associated protein tau. Despite the prevalence and diversity of tau astrogliopathy in tauopathies, the interactions between astrocytes and tau in the brain, and the influence of neurodegenerative genetic risk factors like the apolipoprotein E4 (apoE4) isoform, are largely unknown. Here, we leveraged primary and immortalized astrocytes expressing humanized apoE isoforms to characterize the mechanisms by which astrocytes interact with and eliminate extracellular tau, and the influence of apoE genotype on these processes. Our work indicates that astrocytes rapidly internalize, process, and release tau via an exosomal secretory mechanism under physiological conditions. However, we found that apoE4 disrupted these processes in comparison to apoE3, resulting in an astrocytic phenotype prone to intracellular tau accumulation. Furthermore, exposure to repetitive mild traumatic brain injuries exacerbated the apoE4-induced impairments in tau processing and elimination by astrocytes in apoE4 targeted-replacement mice. The diminished ability of apoE4 astrocytes to eliminate extracellular tau can lead to an accumulation of pathogenic tau, which induces mitochondrial dysfunction, as demonstrated by our studies. In total, our findings suggest that the apoE4 isoform lowers the threshold of astrocytic resilience to pathogenic tau, rendering them susceptible to bioenergetic deficits in the early stages of neurodegenerative diseases such as traumatic brain injury, potentially contributing to neurological decline.
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Affiliation(s)
| | | | | | | | - Fiona Crawford
- The Roskamp Institute, Sarasota, Florida, USA
- James A. Haley Veterans' Hospital, Tampa, Florida, USA
| | - Joseph Ojo
- The Roskamp Institute, Sarasota, Florida, USA
| | - Corbin Bachmeier
- The Roskamp Institute, Sarasota, Florida, USA
- Bay Pines VA Healthcare System, Bay Pines, Florida, USA
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22
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Schorova L, Bedard N, Khayachi A, Ho HH, Bolivar-Pedroso J, Huynh J, Piccirelli M, Wang Y, Plourde M, Luo W, Del Cid-Pellitero E, Shlaifer I, Castellanos-Montiel MJ, Yu Z, Valenzuela DVC, Lacalle-Aurioles M, Kriz A, Ye Y, Durcan TM, Wing SS. USP19 deubiquitinase inactivation regulates α-synuclein ubiquitination and inhibits accumulation of Lewy body-like aggregates in mice. NPJ Parkinsons Dis 2023; 9:157. [PMID: 38017009 PMCID: PMC10684503 DOI: 10.1038/s41531-023-00601-1] [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: 11/21/2022] [Accepted: 11/14/2023] [Indexed: 11/30/2023] Open
Abstract
The USP19 deubiquitinase is found in a locus associated with Parkinson's Disease (PD), interacts with chaperonins, and promotes secretion of α-synuclein (α-syn) through the misfolding-associated protein secretion (MAPS) pathway. Since these processes might modulate the processing of α-syn aggregates in PD, we inactivated USP19 (KO) in mice expressing the A53T mutation of α-syn and in whom α-syn preformed fibrils (PFF) had been injected in the striatum. Compared to WT, KO brains showed decreased accumulation of phospho-synuclein (pSyn) positive aggregates. This improvement was associated with less activation of microglia and improved performance in a tail-suspension test. Exposure of primary neurons from WT and KO mice to PFF in vitro also led to decreased accumulation of pSyn aggregates. KO did not affect uptake of PFF nor propagation of aggregates in the cultured neurons. We conclude that USP19 instead modulates intracellular dynamics of aggregates. At an early time following PFF injection when the number of pSyn-positive neurons were similar in WT and KO brains, the KO neurons contained less aggregates. KO brain aggregates stained more intensely with anti-ubiquitin antibodies. Immunoprecipitation of soluble proteins from WT and KO brains with antibodies to pSyn showed higher levels of ubiquitinated oligomeric species in the KO samples. We propose that the improved pathology in USP19 KO brains may arise from decreased formation or enhanced clearance of the more ubiquitinated aggregates and/or enhanced disassembly towards more soluble oligomeric species. USP19 inhibition may represent a novel therapeutic approach that targets the intracellular dynamics of α-syn complexes.
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Affiliation(s)
- Lenka Schorova
- Department of Medicine, McGill University and Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Nathalie Bedard
- Department of Medicine, McGill University and Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Anouar Khayachi
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
| | - Hung-Hsiang Ho
- Integrated Program in Neuroscience, McGill University, Montreal, QC, Canada
| | - Joao Bolivar-Pedroso
- Department of Medicine, McGill University and Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Julie Huynh
- Department of Biochemistry, McGill University, Montreal, QC, Canada
| | - Mikaela Piccirelli
- Department of Medicine, McGill University and Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Yifei Wang
- Department of Medicine, McGill University and Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Marie Plourde
- Department of Medicine, McGill University and Research Institute of the McGill University Health Centre, Montreal, QC, Canada
| | - Wen Luo
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
| | | | - Irina Shlaifer
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
| | - María José Castellanos-Montiel
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
- Integrated Program in Neuroscience, McGill University, Montreal, QC, Canada
| | - Ziqi Yu
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
| | | | | | - Anita Kriz
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada
| | - Yihong Ye
- National Institute of Diabetes and Digestive and Kidney Diseases, National Institutes of Health, Bethesda, MD, USA
| | - Thomas M Durcan
- Department of Neurology and Neurosurgery, McGill University, Montreal, QC, Canada.
- Integrated Program in Neuroscience, McGill University, Montreal, QC, Canada.
| | - Simon S Wing
- Department of Medicine, McGill University and Research Institute of the McGill University Health Centre, Montreal, QC, Canada.
- Integrated Program in Neuroscience, McGill University, Montreal, QC, Canada.
- Department of Biochemistry, McGill University, Montreal, QC, Canada.
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23
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Liu X, Li R, Chen X, Yao J, Wang Q, Zhang J, Jiang Y, Qu Y. SYT7 is a key player in increasing exosome secretion and promoting angiogenesis in non-small-cell lung cancer. Cancer Lett 2023; 577:216400. [PMID: 37774826 DOI: 10.1016/j.canlet.2023.216400] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 09/12/2023] [Accepted: 09/14/2023] [Indexed: 10/01/2023]
Abstract
Lung cancer is the leading cause of cancer-related mortality, and non-small cell lung cancer (NSCLC) accounts for approximately 85% of all lung cancer cases. Our previous study confirmed that synaptotagmin 7 (SYT7) promoted NSCLC metastasis in vivo and in vitro. Studies have shown that SYT7 is an important regulatory molecule of exocytosis in various cells. However, the characteristics of SYT7 across cancers and the function of SYT7 in tumor exosome secretion remain unclear. In this study, we conducted systematic pancancer analyses of SYT7, namely, analyses of expression patterns, diagnostic and prognostic values, genetic alterations, methylation, immune infiltration, and potential biological pathways. Furthermore, we demonstrated that SYT7 increased the secretion of exosomes from A549 and H1299 cells, promoting the migration, proliferation, and tube formation of human umbilical vein endothelial cells (HUVECs). Notably, SYT7 promoted angiogenesis by transferring exosomes containing the molecule centrosomal protein of 55 kDa (CEP55) protein to HUVECs. The CEP55 protein levels was downregulated in STAT1 inhibitor-treating SYT7-overexpresion NSCLC cells. We further found that SYT7 activated the mTOR signaling pathway through the downstream molecule CEP55, thereby promoting the invasion and metastasis of NSCLC cells. SYT7 promoted exosome secretion by NSCLC cells through upregulating syntaxin-1a and syntaxin-3. In vivo, SYT7 promoted the tumorigenesis, angiogenesis and metastasis of A549 cells through the exosome pathway. Our study is of great importance for understanding the mechanism of tumor exosome secretion and the role of exosomes in tumor progression.
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Affiliation(s)
- Xiao Liu
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Rui Li
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Xiao Chen
- Department of Respiratory Medicine, Tai'an City Central Hospital, Tai'an, China
| | - Jie Yao
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Qingxiang Wang
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Jinghong Zhang
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Yuanyuan Jiang
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China.
| | - Yiqing Qu
- Department of Pulmonary and Critical Care Medicine, Qilu Hospital of Shandong University, Jinan, China.
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24
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Wang P, Lan G, Xu B, Yu Z, Tian C, Lei X, Meissner WG, Feng T, Yang Y, Zhang J. α-Synuclein-carrying astrocytic extracellular vesicles in Parkinson pathogenesis and diagnosis. Transl Neurodegener 2023; 12:40. [PMID: 37620916 PMCID: PMC10463943 DOI: 10.1186/s40035-023-00372-y] [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: 01/13/2023] [Accepted: 07/25/2023] [Indexed: 08/26/2023] Open
Abstract
BACKGROUND The accumulation of α-synuclein (α-syn), an essential step in PD development and progression, is observed not only in neurons but also in glia, including astrocytes. The mechanisms regulating astrocytic α-syn level and aggregation remain unclear. More recently, it has been demonstrated that a part of α-syn spreading occurs through extracellular vesicles (EVs), although it is unknown whether this process is involved in astrocytes of PD. It is known, however, that EVs derived from the central nervous system exist in the blood and are extensively explored as biomarkers for PD and other neurodegenerative disorders. METHODS Primary astrocytes were transfected with A53T α-syn plasmid or exposed to α-syn aggregates. The level of astrocyte-derived EVs (AEVs) was assessed by nanoparticle tracking analysis and immunofluorescence. The lysosomal function was evaluated by Cathepsin assays, immunofluorescence for levels of Lamp1 and Lamp2, and LysoTracker Red staining. The Apogee assays were optimized to measure the GLT-1+ AEVs in clinical cohorts of 106 PD, 47 multiple system atrophy (MSA), and 103 healthy control (HC) to test the potential of plasma AEVs as a biomarker to differentiate PD from other forms of parkinsonism. RESULTS The number of AEVs significantly increased in primary astrocytes with α-syn deposition. The mechanism of increased AEVs was partially attributed to lysosomal dysfunction. The number of α-syn-carrying AEVs was significantly higher in patients with PD than in HC and MSA. The integrative model combining AEVs with total and aggregated α-syn exhibited efficient diagnostic power in differentiating PD from HC with an AUC of 0.915, and from MSA with an AUC of 0.877. CONCLUSIONS Pathological α-syn deposition could increase the astrocytic secretion of EVs, possibly through α-syn-induced lysosomal dysfunction. The α-syn-containing AEVs in the peripheral blood may be an effective biomarker for clinical diagnosis or differential diagnosis of PD.
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Affiliation(s)
- Pan Wang
- Department of Pathology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
- National Human Brain Bank for Health and Disease, Zhejiang University, Hangzhou, 310002, China
| | - Guoyu Lan
- Department of Pathology, Peking University Health Science Center, Beijing, 100191, China
| | - Bin Xu
- Department of Pathology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
| | - Zhenwei Yu
- Department of Neurology, Center for Movement Disorders, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China
- China National Clinical Research Center for Neurological Diseases, Beijing, 100070, China
| | - Chen Tian
- Department of Pathology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
| | - Xia Lei
- Department of Pathology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China
| | - Wassilios G Meissner
- CNRS, IMN, UMR 5293, University of Bordeaux, 33000, Bordeaux, France
- CHU Bordeaux, Service de Neurologie des Maladies Neurodégénératives, IMNc, 33000, Bordeaux, France
- Department of Medicine, New Zealand Brain Research Institute, University of Otago, Christchurch, Christchurch, New Zealand
| | - Tao Feng
- Department of Neurology, Center for Movement Disorders, Beijing Tiantan Hospital, Capital Medical University, Beijing, 100070, China.
- China National Clinical Research Center for Neurological Diseases, Beijing, 100070, China.
| | - Ying Yang
- Department of Pathology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China.
- Department of Pathology, Peking University Health Science Center, Beijing, 100191, China.
| | - Jing Zhang
- Department of Pathology, The First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 310002, China.
- National Human Brain Bank for Health and Disease, Zhejiang University, Hangzhou, 310002, China.
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25
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Ciampelli C, Galleri G, Puggioni S, Fais M, Iannotta L, Galioto M, Becciu M, Greggio E, Bernardoni R, Crosio C, Iaccarino C. Inhibition of the Exocyst Complex Attenuates the LRRK2 Pathological Effects. Int J Mol Sci 2023; 24:12656. [PMID: 37628835 PMCID: PMC10454163 DOI: 10.3390/ijms241612656] [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: 06/09/2023] [Revised: 08/03/2023] [Accepted: 08/06/2023] [Indexed: 08/27/2023] Open
Abstract
Pathological mutations in leucine-rich repeat kinase 2 (LRRK2) gene are the major genetic cause of Parkinson's disease (PD). Multiple lines of evidence link LRRK2 to the control of vesicle dynamics through phosphorylation of a subset of RAB proteins. However, the molecular mechanisms underlying these processes are not fully elucidated. We have previously demonstrated that LRRK2 increases the exocyst complex assembly by Sec8 interaction, one of the eight members of the exocyst complex, and that Sec8 over-expression mitigates the LRRK2 pathological effect in PC12 cells. Here, we extend this analysis using LRRK2 drosophila models and show that the LRRK2-dependent exocyst complex assembly increase is downstream of RAB phosphorylation. Moreover, exocyst complex inhibition rescues mutant LRRK2 pathogenic phenotype in cellular and drosophila models. Finally, prolonged exocyst inhibition leads to a significant reduction in the LRRK2 protein level, overall supporting the role of the exocyst complex in the LRRK2 pathway. Taken together, our study suggests that modulation of the exocyst complex may represent a novel therapeutic target for PD.
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Affiliation(s)
- Cristina Ciampelli
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy; (C.C.); (G.G.); (S.P.); (M.F.); (M.G.); (M.B.); (C.C.)
| | - Grazia Galleri
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy; (C.C.); (G.G.); (S.P.); (M.F.); (M.G.); (M.B.); (C.C.)
| | - Silvia Puggioni
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy; (C.C.); (G.G.); (S.P.); (M.F.); (M.G.); (M.B.); (C.C.)
| | - Milena Fais
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy; (C.C.); (G.G.); (S.P.); (M.F.); (M.G.); (M.B.); (C.C.)
| | - Lucia Iannotta
- Department of Biology, University of Padova, 35131 Padova, Italy; (L.I.); (E.G.)
| | - Manuela Galioto
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy; (C.C.); (G.G.); (S.P.); (M.F.); (M.G.); (M.B.); (C.C.)
| | - Marta Becciu
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy; (C.C.); (G.G.); (S.P.); (M.F.); (M.G.); (M.B.); (C.C.)
| | - Elisa Greggio
- Department of Biology, University of Padova, 35131 Padova, Italy; (L.I.); (E.G.)
| | - Roberto Bernardoni
- Department of Pharmacy and Biotechnology (FABIT), University of Bologna, 40126 Bologna, Italy;
| | - Claudia Crosio
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy; (C.C.); (G.G.); (S.P.); (M.F.); (M.G.); (M.B.); (C.C.)
| | - Ciro Iaccarino
- Department of Biomedical Sciences, University of Sassari, 07100 Sassari, Italy; (C.C.); (G.G.); (S.P.); (M.F.); (M.G.); (M.B.); (C.C.)
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26
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Chen B, Hasan MM, Zhang H, Zhai Q, Waliullah ASM, Ping Y, Zhang C, Oyama S, Mimi MA, Tomochika Y, Nagashima Y, Nakamura T, Kahyo T, Ogawa K, Kaneda D, Yoshida M, Setou M. UBL3 Interacts with Alpha-Synuclein in Cells and the Interaction Is Downregulated by the EGFR Pathway Inhibitor Osimertinib. Biomedicines 2023; 11:1685. [PMID: 37371780 DOI: 10.3390/biomedicines11061685] [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: 04/30/2023] [Revised: 06/07/2023] [Accepted: 06/08/2023] [Indexed: 06/29/2023] Open
Abstract
Ubiquitin-like 3 (UBL3) acts as a post-translational modification (PTM) factor and regulates protein sorting into small extracellular vesicles (sEVs). sEVs have been reported as vectors for the pathology propagation of neurodegenerative diseases, such as α-synucleinopathies. Alpha-synuclein (α-syn) has been widely studied for its involvement in α-synucleinopathies. However, it is still unknown whether UBL3 interacts with α-syn, and is influenced by drugs or compounds. In this study, we investigated the interaction between UBL3 and α-syn, and any ensuing possible functional and pathological implications. We found that UBL3 can interact with α-syn by the Gaussia princeps based split luciferase complementation assay in cells and immunoprecipitation, while cysteine residues at its C-terminal, which are considered important as PTM factors for UBL3, were not essential for the interaction. The interaction was upregulated by 1-methyl-4-phenylpyridinium exposure. In drug screen results, the interaction was significantly downregulated by the treatment of osimertinib. These results suggest that UBL3 interacts with α-syn in cells and is significantly downregulated by epidermal growth factor receptor (EGFR) pathway inhibitor osimertinib. Therefore, the UBL3 pathway may be a new therapeutic target for α-synucleinopathies in the future.
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Affiliation(s)
- Bin Chen
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Md Mahmudul Hasan
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Hengsen Zhang
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Qing Zhai
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - A S M Waliullah
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Yashuang Ping
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Chi Zhang
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Soho Oyama
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Mst Afsana Mimi
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Yuna Tomochika
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Yu Nagashima
- Institute for Medical Photonics Research, Preeminent Medical Photonics Education and Research Center, Hamamatsu University School of Medicine, Hamamatsu 431-3192, Shizuoka, Japan
| | - Tomohiko Nakamura
- Department of Neurology, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Tomoaki Kahyo
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
- International Mass Imaging Center, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
| | - Kenji Ogawa
- Laboratory of Veterinary Epizootiology, Department of Veterinary Medicine, Nihon University, Kameino 1866, Fujisawa 252-0880, Kanagawa, Japan
| | - Daita Kaneda
- Choju Medical Institute, Fukushimura Hospital, Yamanaka-19-14 Noyoricho, Toyohashi 441-8124, Aichi, Japan
| | - Minoru Yoshida
- Department of Biotechnology, Graduate School of Agricultural and Life Sciences, The University of Tokyo, Tokyo 113-8657, Japan
- Collaborative Research Institute for Innovative Microbiology, The University of Tokyo, Tokyo 113-8657, Japan
- RIKEN Center for Sustainable Resource Science, Wako 351-0198, Saitama, Japan
| | - Mitsutoshi Setou
- Department of Cellular and Molecular Anatomy, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
- International Mass Imaging Center, Hamamatsu University School of Medicine, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
- Department of Systems Molecular Anatomy, Institute for Medical Photonics Research, Preeminent Medical Photonics Education & Research Center, 1-20-1 Handayama, Higashi-Ku, Hamamatsu 431-3192, Shizuoka, Japan
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27
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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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28
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Lee RMQ, Koh TW. Genetic modifiers of synucleinopathies-lessons from experimental models. OXFORD OPEN NEUROSCIENCE 2023; 2:kvad001. [PMID: 38596238 PMCID: PMC10913850 DOI: 10.1093/oons/kvad001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 12/29/2022] [Revised: 03/04/2023] [Accepted: 03/07/2023] [Indexed: 04/11/2024]
Abstract
α-Synuclein is a pleiotropic protein underlying a group of progressive neurodegenerative diseases, including Parkinson's disease and dementia with Lewy bodies. Together, these are known as synucleinopathies. Like all neurological diseases, understanding of disease mechanisms is hampered by the lack of access to biopsy tissues, precluding a real-time view of disease progression in the human body. This has driven researchers to devise various experimental models ranging from yeast to flies to human brain organoids, aiming to recapitulate aspects of synucleinopathies. Studies of these models have uncovered numerous genetic modifiers of α-synuclein, most of which are evolutionarily conserved. This review discusses what we have learned about disease mechanisms from these modifiers, and ways in which the study of modifiers have supported ongoing efforts to engineer disease-modifying interventions for synucleinopathies.
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Affiliation(s)
- Rachel Min Qi Lee
- Temasek Life Sciences Laboratory, 1 Research Link, Singapore, 117604, Singapore
| | - Tong-Wey Koh
- Temasek Life Sciences Laboratory, 1 Research Link, Singapore, 117604, Singapore
- Department of Biological Sciences, National University of Singapore, Block S3 #05-01, 16 Science Drive 4, Singapore, 117558, Singapore
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29
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Hagey DW, El Andaloussi S. The promise and challenges of extracellular vesicles in the diagnosis of neurodegenerative diseases. HANDBOOK OF CLINICAL NEUROLOGY 2023; 193:227-241. [PMID: 36803813 DOI: 10.1016/b978-0-323-85555-6.00014-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/18/2023]
Abstract
Extracellular vesicles (EVs) have emerged as essential means of intercommunication for all cell types, and their role in CNS physiology is increasingly appreciated. Accumulating evidence has demonstrated that EVs play important roles in neural cell maintenance, plasticity, and growth. However, EVs have also been demonstrated to spread amyloids and inflammation characteristic of neurodegenerative disease. Such dual roles suggest that EVs may be prime candidates for neurodegenerative disease biomarker analysis. This is supported by several intrinsic properties of EVs: Populations can be enriched by capturing surface proteins from their cell of origin, their diverse cargo represent the complex intracellular states of the cells they derive from, and they can pass the blood-brain barrier. Despite this promise, there are important questions outstanding in this young field that will need to be answered before it can fulfill its potential. Namely, overcoming the technical challenges of isolating rare EV populations, the difficulties inherent in detecting neurodegeneration, and the ethical considerations of diagnosing asymptomatic individuals. Although daunting, succeeding to answer these questions has the potential to provide unprecedented insight and improved treatment of neurodegenerative disease in the future.
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Affiliation(s)
- Daniel W Hagey
- Department of Laboratory Medicine, Karolinska Institutet, Stockholm, Sweden.
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30
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Dai M, Yan L, Yu H, Chen C, Xie Y. TNFRSF10B is involved in motor dysfunction in Parkinson's disease by regulating exosomal α-synuclein secretion from microglia. J Chem Neuroanat 2023; 129:102249. [PMID: 36791922 DOI: 10.1016/j.jchemneu.2023.102249] [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: 09/22/2022] [Revised: 02/03/2023] [Accepted: 02/10/2023] [Indexed: 02/15/2023]
Abstract
A-synuclein (α-syn) is a protein associated with the pathogenesis of Parkinson's disease (PD), a neurodegenerative disease with no effective treatment. Therefore, there has been a strong drive to clarify the pathology of PD associated with α-syn. Several mechanisms have been proposed to unravel the pathological cascade of this disease, and most of them share a particular similarity: cell-to-cell communication through exosomes (EXO). Here, we show that tumor necrosis factor receptor superfamily member 10B (TNFRSF10B) promotes the secretion of α-syn-containing EXO by microglia, resulting in motor dysfunction in PD. Upregulation of TNFRSF10B predicted severer condition in PD patients. In response to α-syn preformed fibrils (PFF), the expression of TNFRSF10B was increased in microglia. PFF-treated microglia exhibited a pro-inflammatory phenotype and caused neuronal damage by secreting α-syn-containing EXO. TNFRSF10B downregulation in microglia inhibited the secretion of α-syn-containing EXO and the release of pro-inflammatory factors, and ameliorated neuronal injury. PFF induced motor dysfunction in mice, which was ameliorated by inhibiting TNFRSF10B to suppress microglia-mediated α-syn communication or by directly depleting microglia. Taken together, these results indicate that TNFRSF10B promotes neuronal injury and motor dysfunction by delivery of α-syn-containing EXO and highlight the TNFRSF10B knockdown as a potential therapeutic target in PD.
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Affiliation(s)
- Mingming Dai
- Department of Neurology III, The Second Affiliated Hospital of Hainan Medical University, Haikou 570216, Hainan, PR China
| | - Limin Yan
- Department of Neurology III, The Second Affiliated Hospital of Hainan Medical University, Haikou 570216, Hainan, PR China
| | - Hang Yu
- Department of Critical Medicine, Cardiovascular Hospital of the Second Affiliated Hospital of Hainan Medical University, Haikou 570216, Hainan, PR China
| | - Changneng Chen
- Second District of Critical Medicine Department, The Second Affiliated Hospital of Hainan Medical University, Haikou 570216, Hainan, PR China.
| | - Yuxiang Xie
- First District of Critical Medicine Department, The Second Affiliated Hospital of Hainan Medical University, Haikou 570216, Hainan, PR China.
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31
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Herman S, Djaldetti R, Mollenhauer B, Offen D. CSF-derived extracellular vesicles from patients with Parkinson's disease induce symptoms and pathology. Brain 2023; 146:209-224. [PMID: 35881523 DOI: 10.1093/brain/awac261] [Citation(s) in RCA: 20] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2021] [Revised: 06/23/2022] [Accepted: 07/01/2022] [Indexed: 01/11/2023] Open
Abstract
Parkinson's disease is characterized by the gradual appearance of intraneuronal inclusions that are primarily composed of misfolded α-synuclein protein, leading to cytotoxicity and neural death. Recent in vitro and in vivo studies suggest that misfolded α-synuclein may spread transcellularly in a prion-like manner, inducing pathological aggregates in healthy neurons, and is disseminated via secretion of extracellular vesicles. Accordingly, extracellular vesicles derived from brain lysates and CSF of patients with Parkinson's disease were shown to facilitate α-synuclein aggregation in healthy cells. Prompted by the hypothesis of Braak and colleagues that the olfactory bulb is one of the primary propagation sites for the initiation of Parkinson's disease, we sought to investigate the role of extracellular vesicles in the spread of α-synuclein and progression of Parkinson's disease through the olfactory bulb. Extracellular vesicles derived from the CSF of patients diagnosed with Parkinson's disease or with a non-synucleinopathy neurodegenerative disorder were administered intranasally to healthy mice, once daily over 4 days. Three months later, mice were subjected to motor and non-motor tests. Functional impairments were elucidated by histochemical analysis of midbrain structures relevant to Parkinson's disease pathology, 8 months after EVs treatment. Mice treated with extracellular vesicles from the patients with Parkinson's disease displayed multiple symptoms consistent with prodromal and clinical-phase Parkinson's disease such as hyposmia, motor behaviour impairments and high anxiety levels. Furthermore, their midbrains showed widespread α-synuclein aggregations, dopaminergic neurodegeneration, neuroinflammation and altered autophagy activity. Several unconventional pathologies were also observed, such as α-synuclein aggregations in the red nucleus, growth of premature grey hair and astrogliosis. Collectively, these data indicate that intranasally administered extracellular vesicles derived from the CSF of patients with Parkinson's disease can propagate α-synuclein aggregation in vivo and trigger Parkinson's disease-like symptoms and pathology in healthy mice.
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Affiliation(s)
- Shay Herman
- Department of Human Genetics and Biochemistry, Sackler School of Medicine, and Felsenstein Medical Research Center, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Ruth Djaldetti
- Department of Neurology, Rabin Medical Center-Beilinson Hospital, Petach Tikva 4941492, Israel.,Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 6997801, Israel
| | - Brit Mollenhauer
- Department of Neurology, University Medical Center Göttingen, Göttingen, Germany.,Paracelsus-Elena-Klinik, Kassel, Germany
| | - Daniel Offen
- Department of Human Genetics and Biochemistry, Sackler School of Medicine, and Felsenstein Medical Research Center, Tel Aviv University, Tel Aviv 6997801, Israel.,Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel
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32
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The Consequences of GBA Deficiency in the Autophagy-Lysosome System in Parkinson's Disease Associated with GBA. Cells 2023; 12:cells12010191. [PMID: 36611984 PMCID: PMC9818455 DOI: 10.3390/cells12010191] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2022] [Revised: 12/27/2022] [Accepted: 12/31/2022] [Indexed: 01/05/2023] Open
Abstract
GBA gene variants were the first genetic risk factor for Parkinson's disease. GBA encodes the lysosomal enzyme glucocerebrosidase (GBA), which is involved in sphingolipid metabolism. GBA exhibits a complex physiological function that includes not only the degradation of its substrate glucosylceramide but also the metabolism of other sphingolipids and additional lipids such as cholesterol, particularly when glucocerebrosidase activity is deficient. In the context of Parkinson's disease associated with GBA, the loss of GBA activity has been associated with the accumulation of α-synuclein species. In recent years, several hypotheses have proposed alternative and complementary pathological mechanisms to explain why lysosomal enzyme mutations lead to α-synuclein accumulation and become important risk factors in Parkinson's disease etiology. Classically, loss of GBA activity has been linked to a dysfunctional autophagy-lysosome system and to a subsequent decrease in autophagy-dependent α-synuclein turnover; however, several other pathological mechanisms underlying GBA-associated parkinsonism have been proposed. This review summarizes and discusses the different hypotheses with a special focus on autophagy-dependent mechanisms, as well as autophagy-independent mechanisms, where the role of other players such as sphingolipids, cholesterol and other GBA-related proteins make important contributions to Parkinson's disease pathogenesis.
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33
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Yang B, Yang Z, Hao L. Dynamics of a model for the degradation mechanism of aggregated α-synuclein in Parkinson's disease. Front Comput Neurosci 2023; 17:1068150. [PMID: 37122994 PMCID: PMC10133481 DOI: 10.3389/fncom.2023.1068150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 03/17/2023] [Indexed: 05/02/2023] Open
Abstract
Accumulation of the misfolded synaptic protein α-synuclein (αSyn*) is a hallmark of neurodegenerative disease in Parkinson's disease (PD). Recent studies suggest that the autophagy lysosome pathway (ALP) including both the Beclin1-associated and mTOR-signaling pathways is involved in the αSyn* clearance mechanism. In this study, a mathematical model is proposed for the degradation of αSyn* by ALP with the crosstalk element of mTOR. Using codimension-1 bifurcation analysis, the tri-stability of αSyn* is surveyed under three different stress signals and, in addition, consideration is given to the regulatory mechanisms for the Beclin1- and mTOR-dependent rates on αSyn* degradation using the codimension-1 and-2 bifurcation diagrams. It was found that, especially under internal and external oxidative stresses (S 1), the bistable switch of the aggregation of αSyn* can be transformed from an irreversible to a reversible condition through the ALP degradation pathways. Furthermore, the robustness of the tri-stable state for the stress S 1 to the parameters related to mTOR-mediated ALP was probed. It was confirmed that mTOR-mediated ALP is important for maintaining the essential dynamic features of the tri-stable state. This study may provide a promising avenue for conducting further experiments and simulations of the degradation mechanism of dynamic modeling in PD.
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Affiliation(s)
- Bojie Yang
- School of Mathematical Sciences and LMIB, Beihang University, Beijing, China
| | - Zhuoqin Yang
- School of Mathematical Sciences and LMIB, Beihang University, Beijing, China
- *Correspondence: Zhuoqin Yang
| | - Lijie Hao
- School of Mathematics Science, Tianjin Normal University, Tianjin, China
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34
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Xu J, Yang KC, Go NE, Colborne S, Ho CJ, Hosseini-Beheshti E, Lystad AH, Simonsen A, Guns ET, Morin GB, Gorski SM. Chloroquine treatment induces secretion of autophagy-related proteins and inclusion of Atg8-family proteins in distinct extracellular vesicle populations. Autophagy 2022; 18:2547-2560. [PMID: 35220892 PMCID: PMC9629075 DOI: 10.1080/15548627.2022.2039535] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Chloroquine (CQ), a lysosomotropic agent, is commonly used to inhibit lysosomal degradation and macroautophagy/autophagy. Here we investigated the cell-extrinsic effects of CQ on secretion. We showed that lysosomal and autophagy inhibition by CQ altered the secretome, and induced the release of Atg8 orthologs and autophagy receptors. Atg8-family proteins, in particular, were secreted inside small extracellular vesicles (sEVs) in a lipidation-dependent manner. CQ treatment enhanced the release of Atg8-family proteins inside sEVs. Using full-length ATG16L1 and an ATG16L1 mutant that enables Atg8-family protein lipidation on double but not on single membranes, we demonstrated that LC3B is released in two distinct sEV populations: one enriched with SDCBP/Syntenin-1, CD63, and endosomal lipidated LC3B, and another that contains LC3B but is not enriched with SDCBP/Syntenin-1 or CD63, and which our data supports as originating from a double-membrane source. Our findings underscore the context-dependency of sEV heterogeneity and composition, and illustrate the integration of autophagy and sEV composition in response to lysosomal inhibition.Abbreviations: ACTB: actin beta; ANOVA: analysis of variance; ATG4B: autophagy related 4B cysteine peptidase; Atg8: autophagy related 8; ATG16L1: autophagy related 16 like 1; ATP5F1A/ATP5a: ATP synthase F1 subunit alpha; CALCOCO2: calcium binding and coiled-coil domain 2; CASP3: caspase 3; CASP7: caspase 7; CQ: chloroquine; CD9: CD9 molecule; CD63: CD63 molecule; DAPI: 4',6-diamidino-2-phenylindole; DQ-BSA: dye quenched-bovine serum albumin; ER: endoplasmic reticulum; ERN1/IRE1a: endoplasmic reticulum to nucleus signaling 1; EV: extracellular vesicles; FBS: fetal bovine serum; FDR: false discovery rate; GABARAP: GABA type A receptor-associated protein; GABARAPL2: GABA type A receptor associated protein like 2; GAPDH: glyceraldehyde-3-phosphate dehydrogenase; GFP: green fluorescent protein; GO: gene ontology; HCQ: hydroxychloroquine; HSP90AA1: heat shock protein 90 alpha family class A member 1; IP: immunoprecipitation; KO: knockout; LAMP2: lysosomal associated membrane protein 2; LIR: LC3-interacting region; LMNA: lamin A/C; MAP1LC3B/LC3B: microtubule associated protein 1 light chain 3 beta; MS: mass spectrometry; NBR1: NBR1 autophagy cargo receptor; NCOA4: nuclear receptor coactivator 4; NTA: nanoparticle tracking analysis; PE: phosphatidylethanolamine; PECA: probe-level expression change averaging; SDCBP/syntenin-1: syndecan binding protein; SD: standard deviation; SE: secreted; sEV: small extracellular vesicles; SQSTM1/p62: sequestosome 1; TAX1BP1: Tax1 binding protein 1; TEM: transmission electron microscopy; TMT: tandem-mass tag; TSG101: tumor susceptibility 101; ULK1: unc-51 like autophagy activating kinase 1; WC: whole cell.
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Affiliation(s)
- Jing Xu
- Canada’s Michael Smith Genome Sciences Centre, BC Cancer Research Institute, Vancouver, BC, Canada,Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC, Canada
| | - Kevin C Yang
- Canada’s Michael Smith Genome Sciences Centre, BC Cancer Research Institute, Vancouver, BC, Canada,Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC, Canada
| | - Nancy Erro Go
- Canada’s Michael Smith Genome Sciences Centre, BC Cancer Research Institute, Vancouver, BC, Canada,Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC, Canada
| | - Shane Colborne
- Canada’s Michael Smith Genome Sciences Centre, BC Cancer Research Institute, Vancouver, BC, Canada
| | - Cally J Ho
- Canada’s Michael Smith Genome Sciences Centre, BC Cancer Research Institute, Vancouver, BC, Canada,Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC, Canada
| | - Elham Hosseini-Beheshti
- School of Medical Sciences, Faculty of Medicine and Health, The University of Sydney, Sydney NSWAustralia
| | - Alf H Lystad
- Department of Molecular Medicine, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway,Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Norway
| | - Anne Simonsen
- Department of Molecular Medicine, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway,Centre for Cancer Cell Reprogramming, Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Norway,Department of Molecular Cell Biology, Institute for Cancer Research, Oslo University Hospital, Montebello, Norway
| | - Emma Tomlinson Guns
- The Vancouver Prostate Centre, Vancouver, BC, Canada,Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
| | - Gregg B Morin
- Canada’s Michael Smith Genome Sciences Centre, BC Cancer Research Institute, Vancouver, BC, Canada,Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada
| | - Sharon M Gorski
- Canada’s Michael Smith Genome Sciences Centre, BC Cancer Research Institute, Vancouver, BC, Canada,Department of Molecular Biology and Biochemistry, Simon Fraser University, Burnaby, BC, Canada,Department of Medical Genetics, University of British Columbia, Vancouver, BC, Canada,Centre for Cell Biology, Development, and Disease, Simon Fraser University, Burnaby, BC, Canada,CONTACT Sharon M Gorski Canada’s Michael Smith Genome Sciences Centre, BC Cancer Research Institute, Vancouver, Canada
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35
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Taha HB, Kearney B, Bitan G. A minute fraction of α-synuclein in extracellular vesicles may be a major contributor to α-synuclein spreading following autophagy inhibition. Front Mol Neurosci 2022; 15:1001382. [PMID: 36245921 PMCID: PMC9554483 DOI: 10.3389/fnmol.2022.1001382] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2022] [Accepted: 09/06/2022] [Indexed: 11/13/2022] Open
Affiliation(s)
- Hash Brown Taha
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA, United States
- Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
| | - Brian Kearney
- Department of Integrative Biology and Physiology, University of California, Los Angeles, Los Angeles, CA, United States
| | - Gal Bitan
- Department of Neurology, David Geffen School of Medicine, University of California, Los Angeles, Los Angeles, CA, United States
- Brain Research Institute, University of California, Los Angeles, Los Angeles, CA, United States
- Molecular Biology Institute, University of California, Los Angeles, Los Angeles, CA, United States
- *Correspondence: Gal Bitan
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36
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Propagation of Parkinson's disease by extracellular vesicle production and secretion. Biochem Soc Trans 2022; 50:1303-1314. [DOI: 10.1042/bst20220204] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2022] [Revised: 08/31/2022] [Accepted: 08/31/2022] [Indexed: 11/17/2022]
Abstract
Parkinson's disease (PD) is a common neurodegenerative condition affecting a significant number of individuals globally, resulting in the presentation of debilitating motor and non-motor symptoms, including bradykinesia, resting tremor, as well as mood and sleep disorders. The pathology of PD has been observed to spread through the central nervous system resulting in progressive brain degeneration and a poor prognosis. Aggregated forms of the protein α-synuclein, particularly intermediary aggregates, referred to as oligomers, or preformed fibrils, have been implicated as the causative agent in the degeneration of neuronal processes, including the dysfunction of axonal transport, mitochondrial activity, and ultimately cellular death. Extracellular vesicles (EVs) have been strongly implicated in the propagation of PD pathology. Current observations suggest that aggregated α-synuclein is transported between neurons via small EVs in a series of exocytosis and endocytosis cellular processes leading to the observed spread of neurotoxicity and cellular death. Despite some understanding of the role of EVs in neurodegeneration, the exact mechanism by which these lipidic particles participate in the progression of Parkinson's pathology is not entirely understood. Here we review the current understanding of the role of EVs in the propagation of PD and explore their potential as a therapeutic target.
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α-Synuclein Conformational Plasticity: Physiologic States, Pathologic Strains, and Biotechnological Applications. Biomolecules 2022; 12:biom12070994. [PMID: 35883550 PMCID: PMC9313095 DOI: 10.3390/biom12070994] [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: 06/19/2022] [Revised: 07/11/2022] [Accepted: 07/15/2022] [Indexed: 02/08/2023] Open
Abstract
α-Synuclein (αS) is remarkable for both its extensive conformational plasticity and pathologic prion-like properties. Physiologically, αS may populate disordered monomeric, helically folded tetrameric, or membrane-bound oligomeric states. Pathologically, αS may assemble into toxic oligomers and subsequently fibrils, the prion-like transmission of which is implicated in a class of neurodegenerative disorders collectively termed α-synucleinopathies. Notably, αS does not adopt a single "amyloid fold", but rather exists as structurally distinct amyloid-like conformations referred to as "strains". The inoculation of animal models with different strains induces distinct pathologies, and emerging evidence suggests that the propagation of disease-specific strains underlies the differential pathologies observed in patients with different α-synucleinopathies. The characterization of αS strains has provided insight into the structural basis for the overlapping, yet distinct, symptoms of Parkinson's disease, multiple system atrophy, and dementia with Lewy bodies. In this review, we first explore the physiological and pathological differences between conformational states of αS. We then discuss recent studies on the influence of micro-environmental factors on αS species formation, propagation, and the resultant pathological characteristics. Lastly, we review how an understanding of αS conformational properties has been translated to emerging strain amplification technologies, which have provided further insight into the role of specific strains in distinct α-synucleinopathies, and show promise for the early diagnosis of disease.
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Mavroeidi P, Vetsi M, Dionysopoulou D, Xilouri M. Exosomes in Alpha-Synucleinopathies: Propagators of Pathology or Potential Candidates for Nanotherapeutics? Biomolecules 2022; 12:957. [PMID: 35883513 PMCID: PMC9313025 DOI: 10.3390/biom12070957] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/13/2022] [Revised: 07/03/2022] [Accepted: 07/05/2022] [Indexed: 12/10/2022] Open
Abstract
The pathological accumulation of alpha-synuclein governs the pathogenesis of neurodegenerative disorders, such as Parkinson's disease, dementia with Lewy bodies, and multiple system atrophy, collectively termed alpha-synucleinopathies. Alpha-synuclein can be released in the extracellular space, partly via exosomes, and this extracellular protein pool may contribute to disease progression by facilitating the spread of pathological alpha-synuclein or activating immune cells. The content of exosomes depends on their origin and includes specific proteins, lipids, functional mRNAs and various non-coding RNAs. Given their ability to mediate intercellular communication via the transport of multilevel information, exosomes are considered to be transporters of toxic agents. Beyond neurons, glial cells also release exosomes, which may contain inflammatory molecules and this glia-to-neuron or neuron-to-glia transmission of exosomal alpha-synuclein may contribute to the propagation of pathology and neuroinflammation throughout the brain. In addition, as their content varies as per their originating and recipient cells, these vesicles can be utilized as a diagnostic biomarker for early disease detection, whereas targeted exosomes may be used as scaffolds to deliver therapeutic agents into the brain. This review summarizes the current knowledge regarding the role of exosomes in the progression of alpha-synuclein-related pathology and their potential use as biomarkers and nanotherapeutics in alpha-synucleinopathies.
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Affiliation(s)
| | | | | | - Maria Xilouri
- Center of Clinical Research, Experimental Surgery and Translational Research, Biomedical Research Foundation of the Academy of Athens, 11527 Athens, Greece; (P.M.); (M.V.); (D.D.)
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Höllerhage M, Wolff A, Chakroun T, Evsyukov V, Duan L, Chua OWH, Tang Q, Koeglsperger T, Höglinger GU. Binding Stability of Antibody-α-Synuclein Complexes Predicts the Protective Efficacy of Anti-α-synuclein Antibodies. Mol Neurobiol 2022; 59:3980-3995. [PMID: 35460053 PMCID: PMC9167191 DOI: 10.1007/s12035-022-02824-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2021] [Accepted: 04/01/2022] [Indexed: 01/01/2023]
Abstract
Spreading of alpha-synuclein (αSyn) may play an important role in Parkinson's disease and related synucleinopathies. Passive immunization with anti-αSyn antibodies is a promising method to slow down the spreading process and thereby the progression of synucleinopathies. Currently, it remains elusive which specific characteristics are essential to render therapeutic antibodies efficacious. Here, we established a neuronal co-culture model, in which αSyn species are being released from αSyn-overexpressing cells and induce toxicity in a priori healthy GFP-expressing cells. In this model, we investigated the protective efficacy of three anti-αSyn antibodies. Only two of these antibodies, one C-terminal and one N-terminal, protected from αSyn-induced toxicity by inhibiting the uptake of spreading-competent αSyn from the cell culture medium. Neither the binding epitope nor the affinity of the antibodies towards recombinant αSyn could explain differences in biological efficacy. However, both protective antibodies formed more stable antibody-αSyn complexes than the non-protective antibody. These findings indicate that the stability of antibody-αSyn complexes may be more important to confer protection than the binding epitope or affinity to recombinant αSyn.
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Affiliation(s)
- Matthias Höllerhage
- Department of Neurology, Hannover Medical School, Hannover, D-30625, Germany.
| | - Andreas Wolff
- Department of Neurology, Technical University of Munich (TUM), D-81675, Munich, Germany
| | - Tasnim Chakroun
- Department of Neurology, Technical University of Munich (TUM), D-81675, Munich, Germany
- Department of Translational Neurodegeneration, German Center for Neurodegenerative Diseases (DZNE), D-81377, Munich, Germany
| | - Valentin Evsyukov
- Department of Neurology, Hannover Medical School, Hannover, D-30625, Germany
| | - Linghan Duan
- Department of Neurology, Hannover Medical School, Hannover, D-30625, Germany
| | - Oscar Wing-Ho Chua
- Department of Neurology, Hannover Medical School, Hannover, D-30625, Germany
| | - Qilin Tang
- Department of Translational Neurodegeneration, German Center for Neurodegenerative Diseases (DZNE), D-81377, Munich, Germany
| | - Thomas Koeglsperger
- Department of Translational Neurodegeneration, German Center for Neurodegenerative Diseases (DZNE), D-81377, Munich, Germany
- Department of Neurology, Ludwig Maximilian University Munich, D-81377, Munich, Germany
| | - Günter U Höglinger
- Department of Neurology, Hannover Medical School, Hannover, D-30625, Germany
- Department of Translational Neurodegeneration, German Center for Neurodegenerative Diseases (DZNE), D-81377, Munich, Germany
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Höllerhage M, Klietz M, Höglinger GU. Disease modification in Parkinsonism: obstacles and ways forward. J Neural Transm (Vienna) 2022; 129:1133-1153. [PMID: 35695938 PMCID: PMC9463344 DOI: 10.1007/s00702-022-02520-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 05/21/2022] [Indexed: 12/19/2022]
Abstract
To date, the diagnoses of Parkinson syndromes are based on clinical examination. Therefore, these specific diagnoses are made, when the neuropathological process is already advanced. However, disease modification or neuroprotection, is considered to be most effective before marked neurodegeneration has occurred. In recent years, early clinical or prodromal stages of Parkinson syndromes came into focus. Moreover, subtypes of distinct diseases will allow predictions of the individual course of the diseases more precisely. Thereby, patients will be enrolled into clinical trials with more specific disease entities and endpoints. Furthermore, novel fluid and imaging biomarkers that allow biochemical diagnoses are under development. These will lead to earlier diagnoses and earlier therapy in the future as consequence. Furthermore, therapeutic approaches will take the underlying neuropathological process of neurodegenerative Parkinson syndromes more specific into account. Specifically, future therapies will target the aggregation of aggregation-prone proteins such as alpha-synuclein and tau, the degradation of pathological aggregates, and the spreading of pathological protein aggregates throughout the brain. Many of these approaches are already in (pre)clinical development. In addition, anti-inflammatory approaches are in development. Furthermore, drug-repurposing is a feasible approach to shorten the developmental process of new drugs.
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Affiliation(s)
- M Höllerhage
- Department of Neurology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - M Klietz
- Department of Neurology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany
| | - G U Höglinger
- Department of Neurology, Hannover Medical School, Carl-Neuberg-Str. 1, 30625, Hannover, Germany.
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Wei W, Pan Y, Yang X, Chen Z, Heng Y, Yang B, Pu M, Zuo J, Lai Z, Tang Y, Xin W. The Emerging Role of the Interaction of Extracellular Vesicle and Autophagy-Novel Insights into Neurological Disorders. J Inflamm Res 2022; 15:3395-3407. [PMID: 35706531 PMCID: PMC9191200 DOI: 10.2147/jir.s362865] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/17/2022] [Accepted: 06/01/2022] [Indexed: 12/15/2022] Open
Abstract
Eukaryotic cells release different types of extracellular vesicles (EVs), including exosomes, apoptotic bodies and microvesicles. EVs carry proteins, lipids and nucleic acids specific to cells and cell states. Autophagy is an intracellular degradation process, which, along with EVs, can significantly affect the development and progression of neurological diseases and, therefore, has been the hotspot. Generally, EVs and autophagy are closely associated. EVs and autophagy can interact with each other. On the one hand, the level of autophagy in target cells is closely related to the secretion and transport of EVs. In another, the application of EVs provides a great opportunity for adjuvant treatment of neurological disorders, for which autophagy is an excellent target. EVs can release their cargos into target cells, which, in turn, regulate the autophagic level of target cells through autophagy-related proteins directly and the non-coding RNA, signal transducer and activator of transcription 3 (STAT3), phosphodiesterase enzyme (PDE) 1-B, etc. signaling pathways indirectly, thus regulating the development of related neurological disorders.
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Affiliation(s)
- Wei Wei
- Department of Neurology, Mianyang Central Hospital, Mianyang, Sichuan, People’s Republic of China
- Department of Neurology, University Medical Center of Göttingen, Georg-August-University of Göttingen, Göttingen, Lower Saxony, Germany
| | - Yongli Pan
- Department of Neurology, University Medical Center of Göttingen, Georg-August-University of Göttingen, Göttingen, Lower Saxony, Germany
- Department of Neurology, Weifang Medical University, Weifang, Shandong, People’s Republic of China
| | - Xinyu Yang
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, People’s Republic of China
| | - Zhonglun Chen
- Department of Neurology, Mianyang Central Hospital, Mianyang, Sichuan, People’s Republic of China
| | - Yue Heng
- Department of Neurology, Mianyang Central Hospital, Mianyang, Sichuan, People’s Republic of China
| | - Bufan Yang
- Department of Neurology, Mianyang Central Hospital, Mianyang, Sichuan, People’s Republic of China
| | - Mingjun Pu
- Department of Neurology, Mianyang Central Hospital, Mianyang, Sichuan, People’s Republic of China
| | - Jiacai Zuo
- Department of Neurology, Mianyang Central Hospital, Mianyang, Sichuan, People’s Republic of China
| | - Zhuhong Lai
- Department of Cardiology, Mianyang Central Hospital, Mianyang, Sichuan, People’s Republic of China
| | - Yufeng Tang
- Department of Neurology, Mianyang Central Hospital, Mianyang, Sichuan, People’s Republic of China
| | - Wenqiang Xin
- Department of Neurology, University Medical Center of Göttingen, Georg-August-University of Göttingen, Göttingen, Lower Saxony, Germany
- Department of Neurosurgery, Tianjin Medical University General Hospital, Tianjin, People’s Republic of China
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Cocaine Modulates the Neuronal Endosomal System and Extracellular Vesicles in a Sex-Dependent Manner. Neurochem Res 2022; 47:2263-2277. [PMID: 35501523 PMCID: PMC9352616 DOI: 10.1007/s11064-022-03612-1] [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: 03/22/2022] [Revised: 04/15/2022] [Accepted: 04/16/2022] [Indexed: 01/08/2023]
Abstract
In multiple neurodevelopmental and neurodegenerative disorders, endosomal changes correlate with changes in exosomes. We examined this linkage in the brain of mice that received cocaine injections for two weeks starting at 2.5 months of age. Cocaine caused a decrease in the number of both neuronal early and late endosomes and exosomes in the brains of male but not female mice. The response to cocaine in ovariectomized females mirrored male, demonstrating that these sex-differences in response to cocaine are driven by hormonal differences. Moreover, cocaine increased the amount of α-synuclein per exosome in the brain of females but did not affect exosomal α-synuclein content in the brain of males, a sex-difference eliminated by ovariectomy. Enhanced packaging of α-synuclein into female brain exosomes with the potential for propagation of pathology throughout the brain suggests a mechanism for the different response of females to chronic cocaine exposure as compared to males.
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S-Nitrosylation of p62 Inhibits Autophagic Flux to Promote α-Synuclein Secretion and Spread in Parkinson's Disease and Lewy Body Dementia. J Neurosci 2022; 42:3011-3024. [PMID: 35169022 PMCID: PMC8985870 DOI: 10.1523/jneurosci.1508-21.2022] [Citation(s) in RCA: 27] [Impact Index Per Article: 13.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2021] [Revised: 01/14/2022] [Accepted: 01/18/2022] [Indexed: 11/21/2022] Open
Abstract
Dysregulation of autophagic pathways leads to accumulation of abnormal proteins and damaged organelles in many neurodegenerative disorders, including Parkinson's disease (PD) and Lewy body dementia (LBD). Autophagy-related dysfunction may also trigger secretion and spread of misfolded proteins, such as α-synuclein (α-syn), the major misfolded protein found in PD/LBD. However, the mechanism underlying these phenomena remains largely unknown. Here, we used cell-based models, including human induced pluripotent stem cell-derived neurons, CRISPR/Cas9 technology, and male transgenic PD/LBD mice, plus vetting in human postmortem brains (both male and female). We provide mechanistic insight into this pathologic pathway. We find that aberrant S-nitrosylation of the autophagic adaptor protein p62 causes inhibition of autophagic flux and intracellular buildup of misfolded proteins, with consequent secretion resulting in cell-to-cell spread. Thus, our data show that pathologic protein S-nitrosylation of p62 represents a critical factor not only for autophagic inhibition and demise of individual neurons, but also for α-syn release and spread of disease throughout the nervous system.SIGNIFICANCE STATEMENT In Parkinson's disease and Lewy body dementia, dysfunctional autophagy contributes to accumulation and spread of aggregated α-synuclein. Here, we provide evidence that protein S-nitrosylation of p62 inhibits autophagic flux, contributing to α-synuclein aggregation and spread.
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Ryskalin L, Biagioni F, Morucci G, Busceti CL, Frati A, Puglisi-Allegra S, Ferrucci M, Fornai F. Spreading of Alpha Synuclein from Glioblastoma Cells towards Astrocytes Correlates with Stem-like Properties. Cancers (Basel) 2022; 14:cancers14061417. [PMID: 35326570 PMCID: PMC8946011 DOI: 10.3390/cancers14061417] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Revised: 03/01/2022] [Accepted: 03/08/2022] [Indexed: 02/04/2023] Open
Abstract
Simple Summary The present study questions whether cells from glioblastoma multiforme (GBM), which overexpress α-synuclein (α-syn), may alter neighboring non-tumoral astrocyte cell lines. The occurrence of α-syn in GBM correlates with the expression of the stem cell marker nestin. When astrocytes are co-cultured with GBM cells in a trans-well apparatus the occurrence of α-syn and nestin rises remarkably. The increase in α-syn in co-cultured astrocytes is more pronounced at the plasma membrane, which mimics the placement of α-syn in GBM cells. When the mTOR inhibitor rapamycin is administered, GBM-induced expression of α-syn and nestin within co-cultured astrocytes is occluded, and morphological alterations are reverted. In the presence of rapamycin the sub-cellular placement of α-syn is modified being allocated within whorls and vacuoles instead of the plasma membrane. The effects induced by rapamycin occur both in baseline GBM cells and within astrocytes primed by co-cultured GBM cells. Abstract Evidence has been recently provided showing that, in baseline conditions, GBM cells feature high levels of α-syn which are way in excess compared with α-syn levels measured within control astrocytes. These findings are consistent along various techniques. In fact, they are replicated by using antibody-based protein detection, such as immuno-fluorescence, immuno-peroxidase, immunoblotting and ultrastructural stoichiometry as well as by measuring α-syn transcript levels at RT-PCR. The present manuscript further questions whether such a high amount of α-syn may be induced within astrocytes, which are co-cultured with GBM cells in a trans-well system. In astrocytes co-cultured with GBM cells, α-syn overexpression is documented. Such an increase is concomitant with increased expression of the stem cell marker nestin, along with GBM-like shifting in cell morphology. This concerns general cell morphology, subcellular compartments and profuse convolutions at the plasma membrane. Transmission electron microscopy (TEM) allows us to assess the authentic amount and sub-cellular compartmentalization of α-syn and nestin within baseline GBM cells and the amount, which is induced within co-cultured astrocytes, as well as the shifting of ultrastructure, which is reminiscent of GBM cells. These phenomena are mitigated by rapamycin administration, which reverts nestin- and α-syn-related overexpression and phenotypic shifting within co-cultured astrocytes towards baseline conditions of naïve astrocytes. The present study indicates that: (i) α-syn increases in astrocyte co-cultured with GBM cells; (ii) α-syn increases in astrocytes along with the stem cell marker nestin; (iii) α-syn increases along with a GBM-like shift of cell morphology; (iv) all these changes are replicated in different GBM cell lines and are reverted by the mTOR inhibitor rapamycin. The present findings indicate that α-syn does occur in high amount within GBM cells and may transmit to neighboring astrocytes as much as a stem cell phenotype. This suggests a mode of tumor progression for GBM cells, which may transform, rather than merely substitute, surrounding tissue; such a phenomenon is sensitive to mTOR inhibition.
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Affiliation(s)
- Larisa Ryskalin
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Via Roma 55, 56126 Pisa, Italy; (L.R.); (G.M.); (M.F.)
| | - Francesca Biagioni
- Istituto di Ricovero e Cura a Carattere Scientifico (I.R.C.C.S.) Neuromed, Via Atinense 18, 86077 Pozzilli, Italy; (F.B.); (C.L.B.); (A.F.); (S.P.-A.)
| | - Gabriele Morucci
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Via Roma 55, 56126 Pisa, Italy; (L.R.); (G.M.); (M.F.)
| | - Carla L. Busceti
- Istituto di Ricovero e Cura a Carattere Scientifico (I.R.C.C.S.) Neuromed, Via Atinense 18, 86077 Pozzilli, Italy; (F.B.); (C.L.B.); (A.F.); (S.P.-A.)
| | - Alessandro Frati
- Istituto di Ricovero e Cura a Carattere Scientifico (I.R.C.C.S.) Neuromed, Via Atinense 18, 86077 Pozzilli, Italy; (F.B.); (C.L.B.); (A.F.); (S.P.-A.)
- Neurosurgery Division, Human Neurosciences Department, Sapienza University, 00135 Roma, Italy
| | - Stefano Puglisi-Allegra
- Istituto di Ricovero e Cura a Carattere Scientifico (I.R.C.C.S.) Neuromed, Via Atinense 18, 86077 Pozzilli, Italy; (F.B.); (C.L.B.); (A.F.); (S.P.-A.)
| | - Michela Ferrucci
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Via Roma 55, 56126 Pisa, Italy; (L.R.); (G.M.); (M.F.)
| | - Francesco Fornai
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, Via Roma 55, 56126 Pisa, Italy; (L.R.); (G.M.); (M.F.)
- Istituto di Ricovero e Cura a Carattere Scientifico (I.R.C.C.S.) Neuromed, Via Atinense 18, 86077 Pozzilli, Italy; (F.B.); (C.L.B.); (A.F.); (S.P.-A.)
- Correspondence: ; Tel.: +39-050-2218601
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Picca A, Guerra F, Calvani R, Coelho-Junior HJ, Bucci C, Marzetti E. Circulating extracellular vesicles: friends and foes in neurodegeneration. Neural Regen Res 2022; 17:534-542. [PMID: 34380883 PMCID: PMC8504375 DOI: 10.4103/1673-5374.320972] [Citation(s) in RCA: 25] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Revised: 02/19/2021] [Accepted: 04/21/2021] [Indexed: 12/01/2022] Open
Abstract
Extracellular vesicles have been identified as pivotal mediators of intercellular communication with critical roles in physiological and pathological conditions. Via this route, several molecules (e.g., nucleic acids, proteins, metabolites) can be transferred to proximal and distant targets to convey specific information. Extracellular vesicle-associated cargo molecules have been proposed as markers of several disease conditions for their potential of tracking down the generating cell. Indeed, circulating extracellular vesicles may represent biomarkers of dysfunctional cellular quality control systems especially in conditions characterized by the accrual of intracellular misfolded proteins. Furthermore, the identification of extracellular vesicles as tools for the delivery of nucleic acids or other cargo molecules to diseased tissues makes these circulating shuttles possible targets for therapeutic development. The increasing interest in the study of extracellular vesicles as biomarkers resides mainly in the fact that the identification of peripheral levels of extracellular vesicle-associated proteins might reflect molecular events occurring in hardly accessible tissues, such as the brain, thereby serving as a "brain liquid biopsy". The exploitation of extracellular vesicles for diagnostic and therapeutic purposed might offer unprecedented opportunities to develop personalized approaches. Here, we discuss the bright and dark sides of extracellular vesicles in the setting of two main neurodegenerative diseases (i.e., Parkinson's and Alzheimer's diseases). A special focus will be placed on the possibility of using extracellular vesicles as biomarkers for the two conditions to enable disease tracking and treatment monitoring.
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Affiliation(s)
- Anna Picca
- Fondazione Policlinico Universitario “Agostino Gemelli” IRCCS, Rome, Italy
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
| | - Flora Guerra
- Department of Biological and Environmental Sciences and Technologies, Università del Salento, Lecce, Italy
| | - Riccardo Calvani
- Fondazione Policlinico Universitario “Agostino Gemelli” IRCCS, Rome, Italy
- Aging Research Center, Department of Neurobiology, Care Sciences and Society, Karolinska Institutet and Stockholm University, Stockholm, Sweden
| | - Hélio José Coelho-Junior
- Università Cattolica del Sacro Cuore, Institute of Internal Medicine and Geriatrics, Rome, Italy
| | - Cecilia Bucci
- Department of Biological and Environmental Sciences and Technologies, Università del Salento, Lecce, Italy
| | - Emanuele Marzetti
- Fondazione Policlinico Universitario “Agostino Gemelli” IRCCS, Rome, Italy
- Università Cattolica del Sacro Cuore, Institute of Internal Medicine and Geriatrics, Rome, Italy
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Markovic M, Yeapuri P, Namminga KL, Lu Y, Saleh M, Olson KE, Gendelman HE, Mosley RL. Interleukin-2 expands neuroprotective regulatory T cells in Parkinson's disease. NEUROIMMUNE PHARMACOLOGY AND THERAPEUTICS 2022; 1:43-50. [PMID: 38407500 PMCID: PMC9254387 DOI: 10.1515/nipt-2022-0001] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Accepted: 05/23/2022] [Indexed: 12/22/2022]
Abstract
Background Pharmacological approaches that boost neuroprotective regulatory T cell (Treg) number and function lead to neuroprotective activities in neurodegenerative disorders. Objectives We investigated whether low-dose interleukin 2 (IL-2) expands Treg populations and protects nigrostriatal dopaminergic neurons in a model of Parkinson's disease (PD). Methods IL-2 at 2.5 × 104 IU/dose/mouse was administered for 5 days. Lymphocytes were isolated and phenotype determined by flow cytometric analyses. To 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) intoxicated mice, 0.5 × 106 of enriched IL-2-induced Tregs were adoptively transferred to assess the effects on nigrostriatal neuron survival. Results IL-2 increased frequencies of CD4+CD25+CD127lowFoxP3+ Tregs that express ICOS and CD39 in blood and spleen. Adoptive transfer of IL-2-induced Tregs to MPTP-treated recipients increased tyrosine hydroxylase (TH)+ nigral dopaminergic neuronal bodies by 51% and TH+ striatal termini by 52% compared to control MPTP-treated animal controls. Conclusions IL-2 expands numbers of neuroprotective Tregs providing a vehicle for neuroprotection of nigrostriatal dopaminergic neurons in a pre-clinical PD model.
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Affiliation(s)
- Milica Markovic
- Department of Pharmacology and Experimental Neuroscience, Center for Neurodegenerative Disorders, University of Nebraska Medical Center, 68198Omaha, NE, USA
| | - Pravin Yeapuri
- Department of Pharmaceutical Sciences, College of Pharmacy, University of Nebraska Medical Center, Omaha, NE, USA
| | - Krista L. Namminga
- Department of Pharmacology and Experimental Neuroscience, Center for Neurodegenerative Disorders, University of Nebraska Medical Center, 68198Omaha, NE, USA
| | - Yaman Lu
- Department of Pharmacology and Experimental Neuroscience, Center for Neurodegenerative Disorders, University of Nebraska Medical Center, 68198Omaha, NE, USA
| | - Maamoon Saleh
- Department of Pharmacology and Experimental Neuroscience, Center for Neurodegenerative Disorders, University of Nebraska Medical Center, 68198Omaha, NE, USA
| | - Katherine E. Olson
- Department of Pharmacology and Experimental Neuroscience, Center for Neurodegenerative Disorders, University of Nebraska Medical Center, 68198Omaha, NE, USA
| | - Howard E. Gendelman
- Department of Pharmacology and Experimental Neuroscience, Center for Neurodegenerative Disorders, University of Nebraska Medical Center, 68198Omaha, NE, USA
| | - R. Lee Mosley
- Department of Pharmacology and Experimental Neuroscience, Center for Neurodegenerative Disorders, University of Nebraska Medical Center, 68198Omaha, NE, USA
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Sepúlveda D, Cisternas-Olmedo M, Arcos J, Nassif M, Vidal RL. Contribution of Autophagy-Lysosomal Pathway in the Exosomal Secretion of Alpha-Synuclein and Its Impact in the Progression of Parkinson’s Disease. Front Mol Neurosci 2022; 15:805087. [PMID: 35250476 PMCID: PMC8891570 DOI: 10.3389/fnmol.2022.805087] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Accepted: 01/07/2022] [Indexed: 01/07/2023] Open
Abstract
Parkinson’s disease (PD) is caused by the degeneration of dopaminergic neurons due to an accumulation of intraneuronal abnormal alpha-synuclein (α-syn) protein aggregates. It has been reported that the levels of exosomal α-syn of neuronal origin in plasma correlate significantly with motor dysfunction, highlighting the exosomes containing α-syn as a potential biomarker of PD. In addition, it has been found that the selective autophagy-lysosomal pathway (ALP) contributes to the secretion of misfolded proteins involved in neurodegenerative diseases. In this review, we describe the evidence that supports the relationship between the ALP and α-syn exosomal secretion on the PD progression and its implications in the diagnosis and progression of this pathology.
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Affiliation(s)
- Denisse Sepúlveda
- Center for Integrative Biology, Facultad de Ciencias, Universidad Mayor, Santiago, Chile
- Biomedical Neuroscience Institute, University of Chile, Santiago, Chile
- Geroscience Center for Brain Health and Metabolism, Santiago, Chile
| | - Marisol Cisternas-Olmedo
- Center for Integrative Biology, Facultad de Ciencias, Universidad Mayor, Santiago, Chile
- Biomedical Neuroscience Institute, University of Chile, Santiago, Chile
- Geroscience Center for Brain Health and Metabolism, Santiago, Chile
| | - Javiera Arcos
- Center for Integrative Biology, Facultad de Ciencias, Universidad Mayor, Santiago, Chile
- Biomedical Neuroscience Institute, University of Chile, Santiago, Chile
- Geroscience Center for Brain Health and Metabolism, Santiago, Chile
| | - Melissa Nassif
- Center for Integrative Biology, Facultad de Ciencias, Universidad Mayor, Santiago, Chile
- Escuela de Biotecnología, Facultad de Ciencias, Universidad Mayor, Santiago, Chile
| | - René L. Vidal
- Center for Integrative Biology, Facultad de Ciencias, Universidad Mayor, Santiago, Chile
- Biomedical Neuroscience Institute, University of Chile, Santiago, Chile
- Geroscience Center for Brain Health and Metabolism, Santiago, Chile
- *Correspondence: René L. Vidal,
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Yoshida S, Hasegawa T. Deciphering the prion-like behavior of pathogenic protein aggregates in neurodegenerative diseases. Neurochem Int 2022; 155:105307. [PMID: 35181393 DOI: 10.1016/j.neuint.2022.105307] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Revised: 02/12/2022] [Accepted: 02/13/2022] [Indexed: 12/12/2022]
Abstract
Neurodegenerative diseases are hitherto classified based on their core clinical features, the anatomical distribution of neurodegeneration, and the cell populations mainly affected. On the other hand, the wealth of neuropathological, genetic, molecular and biochemical studies have identified the existence of distinct insoluble protein aggregates in the affected brain regions. These findings have spread the use of a collective term, proteinopathy, for neurodegenerative disorders with particular type of structurally altered protein accumulation. Particularly, a recent breakthrough in this field came with the discovery that these protein aggregates can transfer from one cell to another, thereby converting normal proteins to potentially toxic, misfolded species in a prion-like manner. In this review, we focus specifically on the molecular and cellular basis that underlies the seeding activity and transcellular spreading phenomenon of neurodegeneration-related protein aggregates, and discuss how these events contribute to the disease progression.
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Affiliation(s)
- Shun Yoshida
- Division of Neurology, Department of Neuroscience & Sensory Organs, Tohoku University Graduate School of Medicine, Sendai, Miyagi, 9808574, Japan; Department of Neurology, National Hospital Organization Yonezawa Hospital, Yonezawa, Yamagata, 992-1202, Japan
| | - Takafumi Hasegawa
- Division of Neurology, Department of Neuroscience & Sensory Organs, Tohoku University Graduate School of Medicine, Sendai, Miyagi, 9808574, Japan.
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Ganguly U, Singh S, Chakrabarti S, Saini AK, Saini RV. Immunotherapeutic interventions in Parkinson's disease: Focus on α-Synuclein. ADVANCES IN PROTEIN CHEMISTRY AND STRUCTURAL BIOLOGY 2021; 129:381-433. [PMID: 35305723 DOI: 10.1016/bs.apcsb.2021.11.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Parkinson's disease (PD) is a neurodegenerative disorder characterized classically by motor manifestations. However, nonmotor symptoms appear early in the course of the disease progression, making both diagnosis and treatment difficult. The pathology of PD is complicated by the accumulation and aggregation of misfolded proteins in intracellular cytoplasmic inclusions called Lewy bodies (LBs). The main toxic component of LBs is the protein α-Synuclein which plays a pivotal role in PD pathogenesis. α-Synuclein can propagate from cell-to-cell exhibiting prion-like properties and spread PD pathology throughout the central nervous system. Immunotherapeutic interventions in PD, both active and passive immunization, have targeted α-Synuclein in both experimental models and clinical trials. In addition, targeting the hyperactive inflammation in PD also holds promise in designing potential immunotherapeutics. The inflammatory and proteotoxic pathways are interlinked and contribute immensely to the disease pathology. In this chapter, we critically review the targets of immunotherapeutic interventions in PD, focusing on the pathogenetic mechanisms of PD, particularly neuroinflammation and α-Synuclein misfolding, aggregation, and propagation. We thoroughly summarized the various immunotherapeutic strategies designed to treat PD-in vitro, in vivo, and clinical trials. The development of these targeted immunotherapies could open a new avenue in the treatment of patients with PD.
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Affiliation(s)
- Upasana Ganguly
- Department of Biochemistry and Central Research Cell, Maharishi Markandeshwar Institute of Medical Sciences and Research, Maharishi Markandeshwar University (Deemed to be), Mullana, India
| | - Sukhpal Singh
- Department of Biochemistry and Central Research Cell, Maharishi Markandeshwar Institute of Medical Sciences and Research, Maharishi Markandeshwar University (Deemed to be), Mullana, India
| | - Sasanka Chakrabarti
- Department of Biochemistry and Central Research Cell, Maharishi Markandeshwar Institute of Medical Sciences and Research, Maharishi Markandeshwar University (Deemed to be), Mullana, India
| | - Adesh K Saini
- Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, India
| | - Reena V Saini
- Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar (Deemed to be University), Mullana, India.
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50
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Visanji NP, Kovacs GG, Lang AE. The Discovery of α-Synuclein in Lewy Pathology of Parkinson's Disease: The Inspiration of a Revolution. Mov Disord Clin Pract 2021; 8:1189-1193. [PMID: 34765684 DOI: 10.1002/mdc3.13312] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2021] [Revised: 05/26/2021] [Accepted: 05/28/2021] [Indexed: 11/09/2022] Open
Affiliation(s)
- Naomi P Visanji
- Edmond J. Safra program in Parkinson's disease and the Morton and Gloria Shulman Movement Disorders Clinic Toronto Western Hospital Toronto Ontario Canada.,Department of Laboratory Medicine and Pathobiology University of Toronto Toronto Ontario Canada
| | - Gabor G Kovacs
- Edmond J. Safra program in Parkinson's disease and the Morton and Gloria Shulman Movement Disorders Clinic Toronto Western Hospital Toronto Ontario Canada.,Department of Laboratory Medicine and Pathobiology University of Toronto Toronto Ontario Canada.,Tanz Centre for Research in Neurodegenerative Disease University of Toronto Toronto Ontario Canada
| | - Anthony E Lang
- Edmond J. Safra program in Parkinson's disease and the Morton and Gloria Shulman Movement Disorders Clinic Toronto Western Hospital Toronto Ontario Canada.,Department of Laboratory Medicine and Pathobiology University of Toronto Toronto Ontario Canada
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