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Wada H, Suzuki D, Niikura T. Regulation of ALS-Associated SOD1 Mutant SUMOylation and Aggregation by SENP and PIAS Family Proteins. J Mol Neurosci 2020; 70:2007-2014. [PMID: 32462635 DOI: 10.1007/s12031-020-01604-w] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2019] [Accepted: 05/19/2020] [Indexed: 12/11/2022]
Abstract
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease specific to motor neurons. Pathogenic mutations in an ALS-associated gene encoding superoxide dismutase 1 (SOD1) have been identified in familial ALS (fALS) cases. SOD1 with fALS-linked mutations is prone to form cytotoxic aggregates that cause cellular dysfunction. We previously demonstrated that the modification of SOD1 by small ubiquitin-like modifier (SUMO) 3 enhances the aggregation of fALS-linked SOD1 mutants. SUMOylation is a reversible post-translational modification targeting lysine residues. SUMO conjugation is mediated by the enzymes E1, E2, and E3, and deconjugation is catalyzed by deSUMOylation enzymes. To understand the process of SOD1 aggregation, we examined the involvement of protein inhibitor of activated STAT (PIAS) family and sentrin-specific protease (SENP) family proteins in the SUMOylation of SOD1 mutants. We found that all four types of PIAS family proteins, E3 ligase of SUMOylation, increased SUMOylation of SOD1 mutants. Among three SENP family proteins tested, deSUMOylation enzymes, SENP1, exhibited the most efficient deconjugation effect. In co-expression experiments, PIASy and SENP1 increased and decreased the number of cells exhibiting SOD1-mutant aggregation, respectively, confirming the effect of these enzymes on SOD1 aggregation. These findings suggest that regulation of SUMOylation affects the pathogenesis of ALS.
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Affiliation(s)
- Harmony Wada
- Department of Information and Communication Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
| | - Dan Suzuki
- Department of Information and Communication Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan
| | - Takako Niikura
- Department of Information and Communication Sciences, Faculty of Science and Technology, Sophia University, 7-1 Kioi-cho, Chiyoda-ku, Tokyo, 102-8554, Japan.
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Corcia P, Blasco H, Besson G, Camdessanché JP, Pautot V, Beltran S, Couratier P, Andres C, Camu W, Vourc'h P. SOD1 mutation can mask C9orf72 abnormal expansion. Eur J Neurol 2017; 24:e24. [PMID: 28322003 DOI: 10.1111/ene.13257] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2016] [Accepted: 01/11/2017] [Indexed: 12/13/2022]
Affiliation(s)
- P Corcia
- Centre de Ressources et de Compétences SLA, CHU Tours, Tours, France.,Inserm Unit UMR U930, Tours, France.,Fédération des Centres de Ressources et de Compétences de Tours et Limoges, LITORALS, Limoges, France
| | - H Blasco
- Inserm Unit UMR U930, Tours, France
| | - G Besson
- Service de Neurologie, CHU Grenoble, Grenoble, France
| | - J-P Camdessanché
- Centre de Ressources et de Compétences SLA, CHU St Etienne, Saint-Etienne, France
| | - V Pautot
- Centre de Ressources et de Compétences SLA, CHU Angers, Angers, France
| | - S Beltran
- Centre de Ressources et de Compétences SLA, CHU Tours, Tours, France.,Fédération des Centres de Ressources et de Compétences de Tours et Limoges, LITORALS, Limoges, France
| | - P Couratier
- Fédération des Centres de Ressources et de Compétences de Tours et Limoges, LITORALS, Limoges, France.,Centre de Ressources et de Compétences SLA, CHU Limoges, Limoges, France
| | - C Andres
- Inserm Unit UMR U930, Tours, France
| | - W Camu
- Centre de Ressources et de Compétences SLA, CHU Montpellier, Montpellier, France
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Niikura T, Kita Y, Abe Y. SUMO3 modification accelerates the aggregation of ALS-linked SOD1 mutants. PLoS One 2014; 9:e101080. [PMID: 24971881 PMCID: PMC4074151 DOI: 10.1371/journal.pone.0101080] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2014] [Accepted: 06/02/2014] [Indexed: 01/02/2023] Open
Abstract
Mutations in superoxide dismutase 1 (SOD1) are a major cause of familial amyotrophic lateral sclerosis (ALS), whereby the mutant proteins misfold and aggregate to form intracellular inclusions. We report that both small ubiquitin-like modifier (SUMO) 1 and SUMO2/3 modify ALS-linked SOD1 mutant proteins at lysine 75 in a motoneuronal cell line, the cell type affected in ALS. In these cells, SUMO1 modification occurred on both lysine 75 and lysine 9 of SOD1, and modification of ALS-linked SOD1 mutant proteins by SUMO3, rather than by SUMO1, significantly increased the stability of the proteins and accelerated intracellular aggregate formation. These findings suggest the contribution of sumoylation, particularly by SUMO3, to the protein aggregation process underlying the pathogenesis of ALS.
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Affiliation(s)
- Takako Niikura
- Department of Information and Communication Sciences, Faculty of Science and Technology, Sophia University, Tokyo, Japan
- * E-mail:
| | - Yoshiko Kita
- Department of Pharmacology, Keio University School of Medicine, Tokyo, Japan
| | - Yoichiro Abe
- Department of Pharmacology, Keio University School of Medicine, Tokyo, Japan
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Vela A, Galán L, Valencia C, de la Torre P, Cuadrado L, Esteban J, Guerrero A, García-Redondo A, Matías-Guiu J. SOD1-N196 mutation in a family with amyotrophic lateral sclerosis. NEUROLOGÍA (ENGLISH EDITION) 2012. [DOI: 10.1016/j.nrleng.2011.02.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022] Open
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Vela A, Galán L, Valencia C, Torre PDL, Cuadrado ML, Esteban J, Guerrero A, García-Redondo A, Matías-Guiu J. [SOD1-N196 mutation in a family with amyotrophic lateral sclerosis]. Neurologia 2011; 27:11-5. [PMID: 21549454 DOI: 10.1016/j.nrl.2011.02.011] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2011] [Accepted: 02/08/2011] [Indexed: 12/14/2022] Open
Abstract
INTRODUCTION N19S mutation is produced by substitution in the 139 position of SOD1 and was described by Mayeux in a patient with amyotrophic lateral sclerosis (ALS). He suggested that it did not have a causal effect as it was found in asymptomatic and sporadic cases. Other authors in later articles did not agree. MATERIAL AND METHODS We describe a family with 4 members with ALS patients and attempt to find the carrier of the N19S mutation of the propositus. Molecular studies were performed on 15 members of the family of a different order. RESULTS The ALS cases were found in the maternal line of the propositus. The presence of the mutation was detected in 3 people, the other two were asymptomatic. One of patients with ALS in the family, who died previously, did not have the mutation. Two of the sons of this case and another of the other case did not show it. On the other hand, N19S mutation was only present in paternal branch of the propositus, where there were no cases. CONCLUSION The described family supports the hypothesis by Mayeux and against that mutation N19S has pathological consequences, since mutation is only in the family line where there are no cases with ALS. In consequence, although the described case is included as a familiar form, it cannot be attributed to the mutation, and its relationship with N19S should be considered as casual.
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Affiliation(s)
- A Vela
- Servicio de Neurología, Hospital Clínico San Carlos, Madrid, España
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Medinas DB, Gozzo FC, Santos LFA, Iglesias AH, Augusto O. A ditryptophan cross-link is responsible for the covalent dimerization of human superoxide dismutase 1 during its bicarbonate-dependent peroxidase activity. Free Radic Biol Med 2010; 49:1046-53. [PMID: 20600836 DOI: 10.1016/j.freeradbiomed.2010.06.018] [Citation(s) in RCA: 50] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2010] [Revised: 06/14/2010] [Accepted: 06/16/2010] [Indexed: 12/28/2022]
Abstract
Unlike intermolecular disulfide bonds, other protein cross-links arising from oxidative modifications cannot be reversed and are presumably more toxic to cells because they may accumulate and induce protein aggregation. However, most of these irreversible protein cross-links remain poorly characterized. For instance, the antioxidant enzyme human superoxide dismutase 1 (hSod1) has been reported to undergo non-disulfide covalent dimerization and further oligomerization during its bicarbonate-dependent peroxidase activity. The dimerization was shown to be dependent on the oxidation of the single, solvent-exposed Trp(32) residue of hSod1, but the covalent dimer was not isolated nor was its structure determined. In this work, the hSod1 covalent dimer was isolated, digested with trypsin in H(2)O and H(2)(18)O, and analyzed by UV-Vis spectroscopy and mass spectrometry (MS). The results demonstrate that the covalent dimer consists of two hSod1 subunits cross-linked by a ditryptophan, which contains a bond between C3 and N1 of the respective Trp(32) residues. We further demonstrate that the cross-link cleaves under usual MS/MS conditions leading to apparently unmodified Trp(32), partially hinders proteolysis, and provides a mechanism to explain the formation of hSod1 covalent trimers and tetramers. This characterization of the covalent hSod1 dimer identifies a novel oxidative modification of protein Trp residues and provides clues for studying its occurrence in vivo.
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Affiliation(s)
- Danilo B Medinas
- Departamento de Bioquímica, Instituto de Química, Universidade de São Paulo, 05513-970 São Paulo, SP, Brazil.
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Syriani E, Morales M, Gamez J. The p.E22G mutation in the Cu/Zn superoxide-dismutase gene predicts a long survival time. J Neurol Sci 2009; 285:46-53. [DOI: 10.1016/j.jns.2009.05.011] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2009] [Revised: 04/15/2009] [Accepted: 05/08/2009] [Indexed: 12/11/2022]
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Luquin N, Yu B, Trent RJ, Morahan JM, Pamphlett R. An analysis of the entire SOD1 gene in sporadic ALS. Neuromuscul Disord 2008; 18:545-52. [DOI: 10.1016/j.nmd.2008.04.013] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2008] [Revised: 03/26/2008] [Accepted: 04/23/2008] [Indexed: 12/31/2022]
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Kanekura K, Nishimoto I, Aiso S, Matsuoka M. Characterization of amyotrophic lateral sclerosis-linked P56S mutation of vesicle-associated membrane protein-associated protein B (VAPB/ALS8). J Biol Chem 2006; 281:30223-33. [PMID: 16891305 DOI: 10.1074/jbc.m605049200] [Citation(s) in RCA: 149] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
The P56S mutation in VAPB (vesicle-associated membrane protein-associated protein B) causes autosomal dominant motoneuronal diseases. Although it was reported that the P56S mutation induces localization shift of VAPB from endoplasmic reticulum (ER) to non-ER compartments, it remains unclear what the physiological function of VAPB is and how the P56S mutation in VAPB causes motoneuronal diseases. Here we demonstrate that overexpression of wild type VAPB (wt-VAPB) promotes unfolded protein response (UPR), which is an ER reaction to suppress accumulation of misfolded proteins, and that small interfering RNA for VAPB attenuates UPR to chemically induced ER stresses, indicating that VAPB is physiologically involved in UPR. The P56S mutation nullifies the function of VAPB to mediate UPR by inhibiting folding of VAPB that results in insolubility and aggregate formation of VAPB in non-ER fractions. Furthermore, we have found that expression of P56S-VAPB inhibits UPR, mediated by endogenous wt-VAPB, by inducing aggregate formation and mislocalization into non-ER fractions of wt-VAPB. Consequently, the P56S mutation in a single allele of the VAPB gene may diminish the activity of VAPB to mediate UPR to less than half the normal level. We thus speculate that the malfunction of VAPB to mediate UPR, caused by the P56S mutation, may contribute to the development of motoneuronal degeneration linked to VAPB/ALS8.
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Affiliation(s)
- Kohsuke Kanekura
- Departments of Pharmacology and Anatomy, Keio University School of Medicine, 35 Shinanomachi, Shinjuku-ku, Tokyo 160-8582, Japan
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Camu W. Quelle est la place de l’enquête génétique ? Rev Neurol (Paris) 2006. [DOI: 10.1016/s0035-3787(06)75169-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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