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MacLeod CM, Yousufzai FAK, Spencer LT, Kim S, Rivera-Rosario LA, Barrera ZD, Walsh L, Krummenacher C, Carone B, Soto I. Trehalose enhances mitochondria deficits in human NPC1 mutant fibroblasts but disrupts mouse Purkinje cell dendritic growth ex vivo. PLoS One 2023; 18:e0294312. [PMID: 38033125 PMCID: PMC10688965 DOI: 10.1371/journal.pone.0294312] [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: 06/25/2023] [Accepted: 10/29/2023] [Indexed: 12/02/2023] Open
Abstract
Lysosomes play important roles in catabolism, nutrient sensing, metabolic signaling, and homeostasis. NPC1 deficiency disrupts lysosomal function by inducing cholesterol accumulation that leads to early neurodegeneration in Niemann-Pick type C (NPC) disease. Mitochondria pathology and deficits in NPC1 deficient cells are associated with impaired lysosomal proteolysis and metabolic signaling. It is thought that activation of the transcription factor TFEB, an inducer of lysosome biogenesis, restores lysosomal-autophagy activity in lysosomal storage disorders. Here, we investigated the effect of trehalose, a TFEB activator, in the mitochondria pathology of NPC1 mutant fibroblasts in vitro and in mouse developmental Purkinje cells ex vivo. We found that in NPC1 mutant fibroblasts, serum starvation or/and trehalose treatment, both activators of TFEB, reversed mitochondria fragmentation to a more tubular mitochondrion. Trehalose treatment also decreased the accumulation of Filipin+ cholesterol in NPC1 mutant fibroblasts. However, trehalose treatment in cerebellar organotypic slices (COSCs) from wild-type and Npc1nmf164 mice caused mitochondria fragmentation and lack of dendritic growth and degeneration in developmental Purkinje cells. Our data suggest, that although trehalose successfully restores mitochondria length and decreases cholesterol accumulation in NPC1 mutant fibroblasts, in COSCs, Purkinje cells mitochondria and dendritic growth are negatively affected possibly through the overactivation of the TFEB-lysosomal-autophagy pathway.
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Affiliation(s)
- Collin M. MacLeod
- Department of Biology, Providence College, Providence, RI, United States of America
| | - Fawad A. K. Yousufzai
- Department of Biological & Biomedical Sciences, Rowan University, Glassboro, NJ, United States of America
| | - Liam T. Spencer
- Department of Biology, Providence College, Providence, RI, United States of America
| | - Sarah Kim
- Department of Biological & Biomedical Sciences, Rowan University, Glassboro, NJ, United States of America
| | | | - Zerian D. Barrera
- Department of Biological & Biomedical Sciences, Rowan University, Glassboro, NJ, United States of America
| | - Lindsay Walsh
- Department of Biology, Providence College, Providence, RI, United States of America
| | - Claude Krummenacher
- Department of Biological & Biomedical Sciences, Rowan University, Glassboro, NJ, United States of America
| | - Benjamin Carone
- Department of Biological & Biomedical Sciences, Rowan University, Glassboro, NJ, United States of America
| | - Ileana Soto
- Department of Biology, Providence College, Providence, RI, United States of America
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2
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Pupyshev AB, Klyushnik TP, Akopyan AA, Singh SK, Tikhonova MA. Disaccharide Trehalose in Experimental Therapies for Neurodegenerative Disorders: Molecular Targets and Translational Potential. Pharmacol Res 2022; 183:106373. [PMID: 35907433 DOI: 10.1016/j.phrs.2022.106373] [Citation(s) in RCA: 19] [Impact Index Per Article: 9.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 07/23/2022] [Accepted: 07/26/2022] [Indexed: 10/16/2022]
Abstract
Induction of autophagy is a prospective approach to the treatment of neurodegeneration. In the recent decade, trehalose attracted special attention. It is an autophagy inducer with negligible adverse effects and is approved for use in humans according to FDA requirements. Trehalose has a therapeutic effect in various experimental models of diseases. This glucose disaccharide with a flexible α-1-1'-glycosidic bond has unique properties: induction of mTOR-independent autophagy (with kinase AMPK as the main target) and a chaperone-like effect on proteins imparting them natural spatial structure. Thus, it can reduce the accumulation of neurotoxic aberrant/misfolded proteins. Trehalose has an anti-inflammatory effect and inhibits detrimental oxidative stress partially owing to the enhancement of endogenous antioxidant defense represented by the Nrf2 protein. The disaccharide activates lysosome and autophagosome biogenesis pathways through the protein factors TFEB and FOXO1. Here we review various mechanisms of the neuroprotective action of trehalose and touch on the possibility of pleiotropic effects. Current knowledge about specific features of trehalose pharmacodynamics is discussed. The neuroprotective effects of trehalose in animal models of major neurodegenerative disorders such as Alzheimer's, Parkinson's, and Huntington's diseases are examined too. Attention is given to translational transition to clinical trials of this drug, especially oral and parenteral routes of administration. Besides, the possibility of enhancing the therapeutic benefit via a combination of mTOR-dependent and mTOR-independent autophagy inducers is analyzed. In general, trehalose appears to be a promising multitarget tool for the inhibition of experimental neurodegeneration and requires thorough investigation of its clinical capabilities.
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Affiliation(s)
- Alexander B Pupyshev
- Scientific Research Institute of Neurosciences and Medicine (SRINM); Timakova Str. 4, Novosibirsk 630117, Russia.
| | - Tatyana P Klyushnik
- Mental Health Research Center, Kashirskoye shosse 34, Moscow 115522, Russia.
| | - Anna A Akopyan
- Scientific Research Institute of Neurosciences and Medicine (SRINM); Timakova Str. 4, Novosibirsk 630117, Russia.
| | - Sandeep Kumar Singh
- Indian Scientific Education and Technology Foundation, Krishna Bhawan, 594 Kha/123, Shahinoor Colony, Nilmatha, Uttar Pradesh, Lucknow 226002, India.
| | - Maria A Tikhonova
- Scientific Research Institute of Neurosciences and Medicine (SRINM); Timakova Str. 4, Novosibirsk 630117, Russia.
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3
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Pan S, Guo S, Dai J, Gu Y, Wang G, Wang Y, Qin Z, Luo L. Trehalose ameliorates autophagy dysregulation in aged cortex and acts as an exercise mimetic to delay brain aging in elderly mice. FOOD SCIENCE AND HUMAN WELLNESS 2022. [DOI: 10.1016/j.fshw.2022.03.028] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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4
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Pakdaman Y, Denker E, Austad E, Norton WHJ, Rolfsnes HO, Bindoff LA, Tzoulis C, Aukrust I, Knappskog PM, Johansson S, Ellingsen S. Chip Protein U-Box Domain Truncation Affects Purkinje Neuron Morphology and Leads to Behavioral Changes in Zebrafish. Front Mol Neurosci 2021; 14:723912. [PMID: 34630034 PMCID: PMC8497888 DOI: 10.3389/fnmol.2021.723912] [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: 06/11/2021] [Accepted: 08/31/2021] [Indexed: 11/13/2022] Open
Abstract
The ubiquitin ligase CHIP (C-terminus of Hsc70-interacting protein) is encoded by STUB1 and promotes ubiquitination of misfolded and damaged proteins. CHIP deficiency has been linked to several diseases, and mutations in the human STUB1 gene are associated with recessive and dominant forms of spinocerebellar ataxias (SCAR16/SCA48). Here, we examine the effects of impaired CHIP ubiquitin ligase activity in zebrafish (Danio rerio). We characterized the zebrafish stub1 gene and Chip protein, and generated and characterized a zebrafish mutant causing truncation of the Chip functional U-box domain. Zebrafish stub1 has a high degree of conservation with mammalian orthologs and was detected in a wide range of tissues in adult stages, with highest expression in brain, eggs, and testes. In the brain, stub1 mRNA was predominantly detected in the cerebellum, including the Purkinje cell layer and granular layer. Recombinant wild-type zebrafish Chip showed ubiquitin ligase activity highly comparable to human CHIP, while the mutant Chip protein showed impaired ubiquitination of the Hsc70 substrate and Chip itself. In contrast to SCAR16/SCA48 patients, no gross cerebellar atrophy was evident in mutant fish, however, these fish displayed reduced numbers and sizes of Purkinje cell bodies and abnormal organization of Purkinje cell dendrites. Mutant fish also had decreased total 26S proteasome activity in the brain and showed behavioral changes. In conclusion, truncation of the Chip U-box domain leads to impaired ubiquitin ligase activity and behavioral and anatomical changes in zebrafish, illustrating the potential of zebrafish to study STUB1-mediated diseases.
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Affiliation(s)
- Yasaman Pakdaman
- Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Medical Genetics, Haukeland University Hospital, Bergen, Norway.,Department of Biological Sciences, University of Bergen, Bergen, Norway
| | - Elsa Denker
- Department of Biological Sciences, University of Bergen, Bergen, Norway
| | - Eirik Austad
- Department of Biological Sciences, University of Bergen, Bergen, Norway
| | - William H J Norton
- Department of Neuroscience, Psychology and Behavior, University of Leicester, Leicester, United Kingdom
| | - Hans O Rolfsnes
- Department of Biomedicine, Molecular Imaging Center, University of Bergen, Bergen, Norway
| | - Laurence A Bindoff
- Department of Clinical Medicine, University of Bergen, Bergen, Norway.,Department of Neurology, Neuro-SysMed Center of Excellence for Clinical Research in Neurological Diseases, Haukeland University Hospital, Bergen, Norway
| | - Charalampos Tzoulis
- Department of Clinical Medicine, University of Bergen, Bergen, Norway.,Department of Neurology, Neuro-SysMed Center of Excellence for Clinical Research in Neurological Diseases, Haukeland University Hospital, Bergen, Norway
| | - Ingvild Aukrust
- Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Medical Genetics, Haukeland University Hospital, Bergen, Norway
| | - Per M Knappskog
- Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Medical Genetics, Haukeland University Hospital, Bergen, Norway
| | - Stefan Johansson
- Department of Clinical Science, University of Bergen, Bergen, Norway.,Department of Medical Genetics, Haukeland University Hospital, Bergen, Norway
| | - Ståle Ellingsen
- Department of Biological Sciences, University of Bergen, Bergen, Norway
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5
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Upadhyay A. Natural compounds in the regulation of proteostatic pathways: An invincible artillery against stress, ageing, and diseases. Acta Pharm Sin B 2021; 11:2995-3014. [PMID: 34729300 PMCID: PMC8546668 DOI: 10.1016/j.apsb.2021.01.006] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2020] [Revised: 10/12/2020] [Accepted: 11/03/2020] [Indexed: 01/13/2023] Open
Abstract
Cells have different sets of molecules for performing an array of physiological functions. Nucleic acids have stored and carried the information throughout evolution, whereas proteins have been attributed to performing most of the cellular functions. To perform these functions, proteins need to have a unique conformation and a definite lifespan. These attributes are achieved by a highly coordinated protein quality control (PQC) system comprising chaperones to fold the proteins in a proper three-dimensional structure, ubiquitin-proteasome system for selective degradation of proteins, and autophagy for bulk clearance of cell debris. Many kinds of stresses and perturbations may lead to the weakening of these protective cellular machinery, leading to the unfolding and aggregation of cellular proteins and the occurrence of numerous pathological conditions. However, modulating the expression and functional efficiency of molecular chaperones, E3 ubiquitin ligases, and autophagic proteins may diminish cellular proteotoxic load and mitigate various pathological effects. Natural medicine and small molecule-based therapies have been well-documented for their effectiveness in modulating these pathways and reestablishing the lost proteostasis inside the cells to combat disease conditions. The present article summarizes various similar reports and highlights the importance of the molecules obtained from natural sources in disease therapeutics.
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Key Words
- 17-AAG, 17-allylamino-geldanamycin
- APC, anaphase-promoting complex
- Ageing
- Autophagy
- BAG, BCL2-associated athanogene
- CAP, chaperone-assisted proteasomal degradation
- CASA, chaperone-assisted selective autophagy
- CHIP, carboxy-terminus of HSC70 interacting protein
- CMA, chaperone-mediated autophagy
- Cancer
- Chaperones
- DUBs, deubiquitinases
- Drug discovery
- EGCG, epigallocatechin-3-gallate
- ESCRT, endosomal sorting complexes required for transport
- HECT, homologous to the E6-AP carboxyl terminus
- HSC70, heat shock cognate 70
- HSF1, heat shock factor 1
- HSP, heat shock protein
- KFERQ, lysine-phenylalanine-glutamate-arginine-glutamine
- LAMP2a, lysosome-associated membrane protein 2a
- LC3, light chain 3
- NBR1, next to BRCA1 gene 1
- Natural molecules
- Neurodegeneration
- PQC, protein quality control
- Proteinopathies
- Proteostasis
- RING, really interesting new gene
- UPS, ubiquitin–proteasome system
- Ub, ubiquitin
- Ubiquitin proteasome system
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Affiliation(s)
- Arun Upadhyay
- Department of Biochemistry, Central University of Rajasthan, Bandar Sindari, Kishangarh, Ajmer, Rajasthan 305817, India
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6
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Lee YS, Lai DM, Huang HJ, Lee-Chen GJ, Chang CH, Hsieh-Li HM, Lee GC. Prebiotic Lactulose Ameliorates the Cognitive Deficit in Alzheimer's Disease Mouse Model through Macroautophagy and Chaperone-Mediated Autophagy Pathways. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:2422-2437. [PMID: 33617267 DOI: 10.1021/acs.jafc.0c07327] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Lactulose, as a prebiotic, can be utilized by human gut microbiota and stimulate their growth. Although microbiota modulation has become an emerging approach to manage many diseases and can be achieved by the administration of prebiotics, fewer investigations have been carried out on the therapeutic mechanism of lactulose. Two trehalose analogs, lactulose and melibiose, were identified as having a neuroprotective effect in polyglutamine and Parkinson disease models. In this study, we examined lactulose and melibiose in a mouse primary hippocampal neuronal culture under the toxicity of oligomeric Aβ25-35. Lactulose was further tested in vivo because its effective concentration is lower than that of melibiose. Lactulose and trehalose were applied individually to mice before a bilateral intrahippocampal CA1 injection of oligomeric Aβ25-35. The administration of lactulose and trehalose attenuated the short-term memory and the learning retrieval of Alzheimer's disease (AD) mice. From a pathological analysis, we found that the pretreatment of lactulose and trehalose decreased neuroinflammation and increased the levels of the autophagic pathways. These results suggest that the neuroprotective effects of both lactulose and trehalose are achieved through anti-inflammation and autophagy. In addition, lactulose was better than trehalose in the enhancement of the synaptic protein expression level in AD mice. Therefore, lactulose could potentially be developed into a preventive and/or therapeutic disaccharide for AD.
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Affiliation(s)
- Yan-Suan Lee
- Department of Life Science, National Taiwan Normal University, Taipei 116, Taiwan
| | - Dar-Ming Lai
- Division of Neurosurgery, Department of Surgery, National Taiwan University Hospital, Taipei 100, Taiwan
| | - Hei-Jen Huang
- Department of Nursing, Mackay Junior College of Medicine, Nursing and Management, Taipei 112, Taiwan
| | - Guey-Jen Lee-Chen
- Department of Life Science, National Taiwan Normal University, Taipei 116, Taiwan
| | - Ching-Hwa Chang
- Department of Life Science, National Taiwan Normal University, Taipei 116, Taiwan
| | - Hsiu Mei Hsieh-Li
- Department of Life Science, National Taiwan Normal University, Taipei 116, Taiwan
| | - Guan-Chiun Lee
- Department of Life Science, National Taiwan Normal University, Taipei 116, Taiwan
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7
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Kumar D, Ambasta RK, Kumar P. Ubiquitin biology in neurodegenerative disorders: From impairment to therapeutic strategies. Ageing Res Rev 2020; 61:101078. [PMID: 32407951 DOI: 10.1016/j.arr.2020.101078] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2019] [Revised: 03/24/2020] [Accepted: 04/22/2020] [Indexed: 12/13/2022]
Abstract
The abnormal accumulation of neurotoxic proteins is the typical hallmark of various age-related neurodegenerative disorders (NDDs), including Alzheimer's disease, Parkinson's disease, Huntington's disease, Amyotrophic lateral sclerosis and Multiple sclerosis. The anomalous proteins, such as Aβ, Tau in Alzheimer's disease and α-synuclein in Parkinson's disease, perturb the neuronal physiology and cellular homeostasis in the brain thereby affecting the millions of human lives across the globe. Here, ubiquitin proteasome system (UPS) plays a decisive role in clearing the toxic metabolites in cells, where any aberrancy is widely reported to exaggerate the neurodegenerative pathologies. In spite of well-advancement in the ubiquitination research, their molecular markers and mechanisms for target-specific protein ubiquitination and clearance remained elusive. Therefore, this review substantiates the role of UPS in the brain signaling and neuronal physiology with their mechanistic role in the NDD's specific pathogenic protein clearance. Moreover, current and future promising therapies are discussed to target UPS-mediated neurodegeneration for better public health.
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8
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Khalifeh M, Read MI, Barreto GE, Sahebkar A. Trehalose against Alzheimer's Disease: Insights into a Potential Therapy. Bioessays 2020; 42:e1900195. [PMID: 32519387 DOI: 10.1002/bies.201900195] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2019] [Revised: 04/13/2020] [Indexed: 12/21/2022]
Abstract
Trehalose is a natural disaccharide with a remarkable ability to stabilize biomolecules. In recent years, trehalose has received growing attention as a neuroprotective molecule and has been tested in experimental models for different neurodegenerative diseases. Although the underlying neuroprotective mechanism of trehalose's action is unclear, one of the most important hypotheses is autophagy induction. The chaperone-like activity of trehalose and the ability to modulate inflammatory responses has also been reported. There is compelling evidence that the dysfunction of autophagy and aggregation of misfolded proteins contribute to the pathogenesis of Alzheimer's disease (AD) and other neurodegenerative disorders. Therefore, given the linking between trehalose and autophagy induction, it appears to be a promising therapy for AD. Herein, the published studies concerning the use of trehalose as a potential therapy for AD are summarized, providing a rationale for applying trehalose to reduce Alzheimer's pathology.
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Affiliation(s)
- Masoomeh Khalifeh
- Department of Medical Biotechnology, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Morgayn I Read
- Department of Pharmacology, School of Medical Sciences, University of Otago, Dunedin, New Zealand
| | - George E Barreto
- Department of Biological Sciences, University of Limerick, Limerick, Ireland.,Instituto de Ciencias Biomédicas, Universidad Autónoma de Chile, Santiago, Chile
| | - Amirhossein Sahebkar
- Halal Research Center of IRI, FDA, Tehran, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Neurogenic Inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
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9
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Manai F, Azzalin A, Morandi M, Riccardi V, Zanoletti L, Dei Giudici M, Gabriele F, Martinelli C, Bozzola M, Comincini S. Trehalose Modulates Autophagy Process to Counteract Gliadin Cytotoxicity in an In Vitro Celiac Disease Model. Cells 2019; 8:cells8040348. [PMID: 31013754 PMCID: PMC6523171 DOI: 10.3390/cells8040348] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 04/05/2019] [Accepted: 04/09/2019] [Indexed: 12/22/2022] Open
Abstract
Celiac disease (CD) is a chronic systemic autoimmune disorder that is triggered by the ingestion of gliadin peptides, the alcohol-soluble fraction of wheat gluten. These peptides, which play a key role in the immune response that underlies CD, spontaneously form aggregates and exert a direct toxic action on cells due to the increase in the reactive oxygen species (ROS) levels. Furthermore, peptic-tryptic digested gliadin peptides (PT-gliadin) lead to an impairment in the autophagy pathway in an in vitro model based on Caco-2 cells. Considering these premises, in this study we have analyzed different mTOR-independent inducers, reporting that the disaccharide trehalose, a mTOR-independent autophagy activator, rescued the autophagy flux in Caco-2 cells treated with digested gliadin, as well as improved cell viability. Moreover, trehalose administration to Caco-2 cells in presence of digested gliadin reduced the intracellular levels of these toxic peptides. Altogether, these results showed the beneficial effects of trehalose in a CD in vitro model as well as underlining autophagy as a molecular pathway whose modulation might be promising in counteracting PT-gliadin cytotoxicity.
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Affiliation(s)
- Federico Manai
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy.
| | - Alberto Azzalin
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy.
| | - Martina Morandi
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy.
| | - Veronica Riccardi
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy.
| | - Lisa Zanoletti
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy.
| | - Marco Dei Giudici
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy.
| | - Fabio Gabriele
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy.
| | - Carolina Martinelli
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy.
| | - Mauro Bozzola
- Pediatrics and Adolescentology Units, Department of Internal Medicine and Therapeutics, University of Pavia, 27100 Pavia, Italy.
| | - Sergio Comincini
- Department of Biology and Biotechnology, University of Pavia, 27100 Pavia, Italy.
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10
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Rusmini P, Cortese K, Crippa V, Cristofani R, Cicardi ME, Ferrari V, Vezzoli G, Tedesco B, Meroni M, Messi E, Piccolella M, Galbiati M, Garrè M, Morelli E, Vaccari T, Poletti A. Trehalose induces autophagy via lysosomal-mediated TFEB activation in models of motoneuron degeneration. Autophagy 2018; 15:631-651. [PMID: 30335591 DOI: 10.1080/15548627.2018.1535292] [Citation(s) in RCA: 259] [Impact Index Per Article: 43.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
Abstract
Macroautophagy/autophagy, a defense mechanism against aberrant stresses, in neurons counteracts aggregate-prone misfolded protein toxicity. Autophagy induction might be beneficial in neurodegenerative diseases (NDs). The natural compound trehalose promotes autophagy via TFEB (transcription factor EB), ameliorating disease phenotype in multiple ND models, but its mechanism is still obscure. We demonstrated that trehalose regulates autophagy by inducing rapid and transient lysosomal enlargement and membrane permeabilization (LMP). This effect correlated with the calcium-dependent phosphatase PPP3/calcineurin activation, TFEB dephosphorylation and nuclear translocation. Trehalose upregulated genes for the TFEB target and regulator Ppargc1a, lysosomal hydrolases and membrane proteins (Ctsb, Gla, Lamp2a, Mcoln1, Tpp1) and several autophagy-related components (Becn1, Atg10, Atg12, Sqstm1/p62, Map1lc3b, Hspb8 and Bag3) mostly in a PPP3- and TFEB-dependent manner. TFEB silencing counteracted the trehalose pro-degradative activity on misfolded protein causative of motoneuron diseases. Similar effects were exerted by trehalase-resistant trehalose analogs, melibiose and lactulose. Thus, limited lysosomal damage might induce autophagy, perhaps as a compensatory mechanism, a process that is beneficial to counteract neurodegeneration. Abbreviations: ALS: amyotrophic lateral sclerosis; AR: androgen receptor; ATG: autophagy related; AV: autophagic vacuole; BAG3: BCL2-associated athanogene 3; BECN1: beclin 1, autophagy related; CASA: chaperone-assisted selective autophagy; CTSB: cathepsin b; DAPI: 4',6-diamidino-2-phenylindole; DMEM: Dulbecco's modified Eagle's medium; EGFP: enhanced green fluorescent protein; fALS, familial amyotrophic lateral sclerosis; FRA: filter retardation assay; GAPDH: glyceraldehyde-3-phosphate dehydrogenase; GLA: galactosidase, alpha; HD: Huntington disease; hIPSCs: human induced pluripotent stem cells; HSPA8: heat shock protein A8; HSPB8: heat shock protein B8; IF: immunofluorescence analysis; LAMP1: lysosomal-associated membrane protein 1; LAMP2A: lysosomal-associated membrane protein 2A; LGALS3: lectin, galactose binding, soluble 3; LLOMe: L-leucyl-L-leucine methyl ester; LMP: lysosomal membrane permeabilization; Lys: lysosomes; MAP1LC3B: microtubule-associated protein 1 light chain 3 beta; MCOLN1: mucolipin 1; mRNA: messenger RNA; MTOR: mechanistic target of rapamycin kinase; NDs: neurodegenerative diseases; NSC34: neuroblastoma x spinal cord 34; PBS: phosphate-buffered saline; PD: Parkinson disease; polyQ: polyglutamine; PPARGC1A: peroxisome proliferative activated receptor, gamma, coactivator 1 alpha; PPP3CB: protein phosphatase 3, catalytic subunit, beta isoform; RT-qPCR: real-time quantitative polymerase chain reaction; SBMA: spinal and bulbar muscular atrophy; SCAs: spinocerebellar ataxias; siRNA: small interfering RNA; SLC2A8: solute carrier family 2, (facilitated glucose transporter), member 8; smNPCs: small molecules neural progenitors cells; SOD1: superoxide dismutase 1; SQSTM1/p62: sequestosome 1; STED: stimulated emission depletion; STUB1: STIP1 homology and U-box containing protein 1; TARDBP/TDP-43: TAR DNA binding protein; TFEB: transcription factor EB; TPP1: tripeptidyl peptidase I; TREH: trehalase (brush-border membrane glycoprotein); WB: western blotting; ZKSCAN3: zinc finger with KRAB and SCAN domains 3.
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Affiliation(s)
- Paola Rusmini
- a Dipartimento di Scienze Farmacologiche e Biomolecolari (DiSFeB), Centro di Eccellenza sulle Malattie Neurodegenerative , Università degli Studi di Milano , Milano , Italy
| | - Katia Cortese
- b DIMES, Dipartimento di Medicina Sperimentale, Anatomia Umana , Università di Genova , Genova , Italy
| | - Valeria Crippa
- a Dipartimento di Scienze Farmacologiche e Biomolecolari (DiSFeB), Centro di Eccellenza sulle Malattie Neurodegenerative , Università degli Studi di Milano , Milano , Italy
| | - Riccardo Cristofani
- a Dipartimento di Scienze Farmacologiche e Biomolecolari (DiSFeB), Centro di Eccellenza sulle Malattie Neurodegenerative , Università degli Studi di Milano , Milano , Italy
| | - Maria Elena Cicardi
- a Dipartimento di Scienze Farmacologiche e Biomolecolari (DiSFeB), Centro di Eccellenza sulle Malattie Neurodegenerative , Università degli Studi di Milano , Milano , Italy
| | - Veronica Ferrari
- a Dipartimento di Scienze Farmacologiche e Biomolecolari (DiSFeB), Centro di Eccellenza sulle Malattie Neurodegenerative , Università degli Studi di Milano , Milano , Italy
| | - Giulia Vezzoli
- a Dipartimento di Scienze Farmacologiche e Biomolecolari (DiSFeB), Centro di Eccellenza sulle Malattie Neurodegenerative , Università degli Studi di Milano , Milano , Italy
| | - Barbara Tedesco
- a Dipartimento di Scienze Farmacologiche e Biomolecolari (DiSFeB), Centro di Eccellenza sulle Malattie Neurodegenerative , Università degli Studi di Milano , Milano , Italy
| | - Marco Meroni
- a Dipartimento di Scienze Farmacologiche e Biomolecolari (DiSFeB), Centro di Eccellenza sulle Malattie Neurodegenerative , Università degli Studi di Milano , Milano , Italy
| | - Elio Messi
- a Dipartimento di Scienze Farmacologiche e Biomolecolari (DiSFeB), Centro di Eccellenza sulle Malattie Neurodegenerative , Università degli Studi di Milano , Milano , Italy
| | - Margherita Piccolella
- a Dipartimento di Scienze Farmacologiche e Biomolecolari (DiSFeB), Centro di Eccellenza sulle Malattie Neurodegenerative , Università degli Studi di Milano , Milano , Italy
| | - Mariarita Galbiati
- a Dipartimento di Scienze Farmacologiche e Biomolecolari (DiSFeB), Centro di Eccellenza sulle Malattie Neurodegenerative , Università degli Studi di Milano , Milano , Italy
| | | | - Elena Morelli
- d Dipartimento di Bioscienze , Università degli Studi di Milano , Italy
| | - Thomas Vaccari
- d Dipartimento di Bioscienze , Università degli Studi di Milano , Italy
| | - Angelo Poletti
- a Dipartimento di Scienze Farmacologiche e Biomolecolari (DiSFeB), Centro di Eccellenza sulle Malattie Neurodegenerative , Università degli Studi di Milano , Milano , Italy.,e Centro Interuniversitario sulle Malattie Neurodegenerative , Università degli Studi di Firenze , Genova e Milano , Italy
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11
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Disrupted structure and aberrant function of CHIP mediates the loss of motor and cognitive function in preclinical models of SCAR16. PLoS Genet 2018; 14:e1007664. [PMID: 30222779 PMCID: PMC6160236 DOI: 10.1371/journal.pgen.1007664] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 09/27/2018] [Accepted: 08/28/2018] [Indexed: 02/03/2023] Open
Abstract
CHIP (carboxyl terminus of heat shock 70-interacting protein) has long been recognized as an active member of the cellular protein quality control system given the ability of CHIP to function as both a co-chaperone and ubiquitin ligase. We discovered a genetic disease, now known as spinocerebellar autosomal recessive 16 (SCAR16), resulting from a coding mutation that caused a loss of CHIP ubiquitin ligase function. The initial mutation describing SCAR16 was a missense mutation in the ubiquitin ligase domain of CHIP (p.T246M). Using multiple biophysical and cellular approaches, we demonstrated that T246M mutation results in structural disorganization and misfolding of the CHIP U-box domain, promoting oligomerization, and increased proteasome-dependent turnover. CHIP-T246M has no ligase activity, but maintains interactions with chaperones and chaperone-related functions. To establish preclinical models of SCAR16, we engineered T246M at the endogenous locus in both mice and rats. Animals homozygous for T246M had both cognitive and motor cerebellar dysfunction distinct from those observed in the CHIP null animal model, as well as deficits in learning and memory, reflective of the cognitive deficits reported in SCAR16 patients. We conclude that the T246M mutation is not equivalent to the total loss of CHIP, supporting the concept that disease-causing CHIP mutations have different biophysical and functional repercussions on CHIP function that may directly correlate to the spectrum of clinical phenotypes observed in SCAR16 patients. Our findings both further expand our basic understanding of CHIP biology and provide meaningful mechanistic insight underlying the molecular drivers of SCAR16 disease pathology, which may be used to inform the development of novel therapeutics for this devastating disease. CHIP is a multi-functional protein that bridges two opposing cellular processes: protein refolding and protein degradation. Mutations in CHIP are drivers of a debilitating and fatal disease, called spinocerebellar ataxia autosomal recessive 16 (SCAR16). Patients with CHIP mutations suffer from pathologies in both the brain, neuroendocrine, and muscle systems. Why or how CHIP mutations drive disease is unclear. At this early stage in understanding SCAR16, it is imperative to establish preclinical models to help understand the pathophysiology and mechanism of the disease, as well as to use as a platform to design and test therapies. In this manuscript we identified the structural, biochemical, cellular, and in vivo repercussions of the first mutation described in SCAR16 patients using two rodent models engineered with CRISPR/Cas9 editing to mimic a disease-causing human mutation. We established a new framework to better understand diseases involving the loss of CHIP function, the spectrum of disease-causing mutations, and the affected pathways that, in turn, will allow precision medicine approaches to treat this disease.
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12
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Di Natale G, Zimbone S, Bellia F, Tomasello M, Giuffrida M, Pappalardo G, Rizzarelli E. Potential therapeutics of Alzheimer's diseases: New insights into the neuroprotective role of trehalose‐conjugated beta sheet breaker peptides. Pept Sci (Hoboken) 2018. [DOI: 10.1002/pep2.24083] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- G. Di Natale
- Consiglio Nazionale delle Ricerche (CNR) Instituto di Biostrutture e Bioimmagini, Via Paolo Gaifami 18 Catania 95126 Italy
| | - S. Zimbone
- Consiglio Nazionale delle Ricerche (CNR) Instituto di Biostrutture e Bioimmagini, Via Paolo Gaifami 18 Catania 95126 Italy
| | - F. Bellia
- Consiglio Nazionale delle Ricerche (CNR) Instituto di Biostrutture e Bioimmagini, Via Paolo Gaifami 18 Catania 95126 Italy
| | - M.F. Tomasello
- Consiglio Nazionale delle Ricerche (CNR) Instituto di Biostrutture e Bioimmagini, Via Paolo Gaifami 18 Catania 95126 Italy
| | - M.L. Giuffrida
- Consiglio Nazionale delle Ricerche (CNR) Instituto di Biostrutture e Bioimmagini, Via Paolo Gaifami 18 Catania 95126 Italy
| | - G. Pappalardo
- Consiglio Nazionale delle Ricerche (CNR) Instituto di Biostrutture e Bioimmagini, Via Paolo Gaifami 18 Catania 95126 Italy
| | - E. Rizzarelli
- Consiglio Nazionale delle Ricerche (CNR) Instituto di Biostrutture e Bioimmagini, Via Paolo Gaifami 18 Catania 95126 Italy
- Dipartimento di Scienze Chimiche Università degli studi di Catania, Viale Andrea Doria 6 Catania 95125 Italy
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13
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Hosseinpour-Moghaddam K, Caraglia M, Sahebkar A. Autophagy induction by trehalose: Molecular mechanisms and therapeutic impacts. J Cell Physiol 2018; 233:6524-6543. [PMID: 29663416 DOI: 10.1002/jcp.26583] [Citation(s) in RCA: 91] [Impact Index Per Article: 15.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2017] [Accepted: 03/08/2018] [Indexed: 12/16/2022]
Abstract
The balance between synthesis and degradation is crucial to maintain cellular homeostasis and different mechanisms are known to keep this balance. In this review, we will provide a short overview on autophagy as an intracellular homeostatic degradative machinery. We will also describe the involvement of downregulation of autophagy in numerous diseases including neurodegenerative diseases, cancer, aging, metabolic disorders, and other infectious diseases. Therefore, modulation of autophagic processes can represent a promising way of intervention in different diseases including neurodegeneration and cancer. Trehalose, also known as mycose, is a natural disaccharide found extensively but not abundantly among several organisms. It is described that trehalose can work as an important autophagy modulator and can be proficiently used in the control several diseases in which autophagy plays an important role. On these bases, we describe here the role of trehalose as an innovative drug in the treatment of neurodegenerative diseases and other illnesses opening a new scenario of intervention in conditions difficult to be treated.
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Affiliation(s)
| | - Michele Caraglia
- Department of Biochemistry, Biophysics and General Pathology, University of Campania "L. Vanvitelli", Naples, Italy
| | - Amirhossein Sahebkar
- Neurogenic inflammation Research Center, Mashhad University of Medical Sciences, Mashhad, Iran.,Biotechnology Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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14
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Qu Z, Su F, Qi X, Sun J, Wang H, Qiao Z, Zhao H, Zhu Y. Wnt/β-catenin signalling pathway mediated aberrant hippocampal neurogenesis in kainic acid-induced epilepsy. Cell Biochem Funct 2017; 35:472-476. [PMID: 29052243 DOI: 10.1002/cbf.3306] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/12/2017] [Revised: 09/12/2017] [Accepted: 09/17/2017] [Indexed: 11/06/2022]
Affiliation(s)
- Zhengyi Qu
- Department of Neurology; The Fourth Affiliated Hospital of Harbin Medical University; Harbin Heilongjiang China
| | - Fang Su
- Department of Neurology; The Fourth Affiliated Hospital of Harbin Medical University; Harbin Heilongjiang China
| | - Xueting Qi
- Department of Neurology; The Second Affiliated Hospital of Harbin Medical University; Harbin Heilongjiang China
| | - Jianbo Sun
- Department of Neurology; The Second Affiliated Hospital of Harbin Medical University; Harbin Heilongjiang China
| | - Hongcai Wang
- Department of Neurology; The Fourth Affiliated Hospital of Harbin Medical University; Harbin Heilongjiang China
| | - Zhenkui Qiao
- Department of Neurology; The Fourth Affiliated Hospital of Harbin Medical University; Harbin Heilongjiang China
| | - Hong Zhao
- Department of Neurology; The Fourth Affiliated Hospital of Harbin Medical University; Harbin Heilongjiang China
| | - Yulan Zhu
- Department of Neurology; The Second Affiliated Hospital of Harbin Medical University; Harbin Heilongjiang China
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15
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Trehalose Inhibits A53T Mutant α-Synuclein Overexpression and Neurotoxicity in Transduced PC12 Cells. Molecules 2017; 22:molecules22081293. [PMID: 28786917 PMCID: PMC6152154 DOI: 10.3390/molecules22081293] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Accepted: 08/01/2017] [Indexed: 12/03/2022] Open
Abstract
Fibrillar accumulation of A53T mutant α-synuclein (A53T-AS) in Lewy bodies is a symptom of Parkinsonism. Inhibitions of the overexpression and fibrillar aggregation of α-synuclein (AS) in vivo could be a promising strategy for treating Parkinson’s disease (PD). In this study, at concentrations lower than 1 mM, trehalose decreased the A53T-AS expression level in transduced PC12 cells. Although H2O2 and aluminum ions increased the expression level and neurotoxicity of A53T-AS in cells, proper trehalose concentrations inhibited the event. These studies adequately prove that trehalose at an appropriate dose would be potentially useful for PD treatment.
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16
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Upadhyay A, Joshi V, Amanullah A, Mishra R, Arora N, Prasad A, Mishra A. E3 Ubiquitin Ligases Neurobiological Mechanisms: Development to Degeneration. Front Mol Neurosci 2017; 10:151. [PMID: 28579943 PMCID: PMC5437216 DOI: 10.3389/fnmol.2017.00151] [Citation(s) in RCA: 53] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Accepted: 05/04/2017] [Indexed: 01/08/2023] Open
Abstract
Cells regularly synthesize new proteins to replace old or damaged proteins. Deposition of various aberrant proteins in specific brain regions leads to neurodegeneration and aging. The cellular protein quality control system develop various defense mechanisms against the accumulation of misfolded and aggregated proteins. The mechanisms underlying the selective recognition of specific crucial protein or misfolded proteins are majorly governed by quality control E3 ubiquitin ligases mediated through ubiquitin-proteasome system. Few known E3 ubiquitin ligases have shown prominent neurodevelopmental functions, but their interactions with different developmental proteins play critical roles in neurodevelopmental disorders. Several questions are yet to be understood properly. How E3 ubiquitin ligases determine the specificity and regulate degradation of a particular substrate involved in neuronal proliferation and differentiation is certainly the one, which needs detailed investigations. Another important question is how neurodevelopmental E3 ubiquitin ligases specifically differentiate between their versatile range of substrates and timing of their functional modulations during different phases of development. The premise of this article is to understand how few E3 ubiquitin ligases sense major molecular events, which are crucial for human brain development from its early embryonic stages to throughout adolescence period. A better understanding of these few E3 ubiquitin ligases and their interactions with other potential proteins will provide invaluable insight into disease mechanisms to approach toward therapeutic interventions.
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Affiliation(s)
- Arun Upadhyay
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology JodhpurJodhpur, India
| | - Vibhuti Joshi
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology JodhpurJodhpur, India
| | - Ayeman Amanullah
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology JodhpurJodhpur, India
| | - Ribhav Mishra
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology JodhpurJodhpur, India
| | - Naina Arora
- School of Basic Sciences, Indian Institute of Technology MandiMandi, India
| | - Amit Prasad
- School of Basic Sciences, Indian Institute of Technology MandiMandi, India
| | - Amit Mishra
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology JodhpurJodhpur, India
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17
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Pakdaman Y, Sanchez-Guixé M, Kleppe R, Erdal S, Bustad HJ, Bjørkhaug L, Haugarvoll K, Tzoulis C, Heimdal K, Knappskog PM, Johansson S, Aukrust I. In vitro characterization of six STUB1 variants in spinocerebellar ataxia 16 reveals altered structural properties for the encoded CHIP proteins. Biosci Rep 2017; 37:BSR20170251. [PMID: 28396517 PMCID: PMC5408658 DOI: 10.1042/bsr20170251] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/18/2017] [Revised: 04/07/2017] [Accepted: 04/10/2017] [Indexed: 11/24/2022] Open
Abstract
Spinocerebellar ataxia, autosomal recessive 16 (SCAR16) is caused by biallelic mutations in the STIP1 homology and U-box containing protein 1 (STUB1) gene encoding the ubiquitin E3 ligase and dimeric co-chaperone C-terminus of Hsc70-interacting protein (CHIP). It has been proposed that the disease mechanism is related to CHIP's impaired E3 ubiquitin ligase properties and/or interaction with its chaperones. However, there is limited knowledge on how these mutations affect the stability, folding, and protein structure of CHIP itself. To gain further insight, six previously reported pathogenic STUB1 variants (E28K, N65S, K145Q, M211I, S236T, and T246M) were expressed as recombinant proteins and studied using limited proteolysis, size-exclusion chromatography (SEC), and circular dichroism (CD). Our results reveal that N65S shows increased CHIP dimerization, higher levels of α-helical content, and decreased degradation rate compared with wild-type (WT) CHIP. By contrast, T246M demonstrates a strong tendency for aggregation, a more flexible protein structure, decreased levels of α-helical structures, and increased degradation rate compared with WT CHIP. E28K, K145Q, M211I, and S236T also show defects on structural properties compared with WT CHIP, although less profound than what observed for N65S and T246M. In conclusion, our results illustrate that some STUB1 mutations known to cause recessive SCAR16 have a profound impact on the protein structure, stability, and ability of CHIP to dimerize in vitro. These results add to the growing understanding on the mechanisms behind the disorder.
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Affiliation(s)
- Yasaman Pakdaman
- Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Monica Sanchez-Guixé
- Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway
| | - Rune Kleppe
- K.G. Jebsen Centre for Neuropsychiatric Disorders, Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Sigrid Erdal
- Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway
| | - Helene J Bustad
- Department of Biomedicine, University of Bergen, Bergen, Norway
| | - Lise Bjørkhaug
- Department of Biomedical Laboratory Sciences and Chemical Engineering, Western Norway University of Applied Sciences, Bergen, Norway
| | - Kristoffer Haugarvoll
- Department of Neurology, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Charalampos Tzoulis
- Department of Neurology, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Medicine, University of Bergen, Bergen, Norway
| | - Ketil Heimdal
- Department of Medical Genetics, Oslo University Hospital, Oslo, Norway
| | - Per M Knappskog
- Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway
- K.G. Jebsen Centre for Neuropsychiatric Disorders, Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Stefan Johansson
- Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway
- K.G. Jebsen Centre for Neuropsychiatric Disorders, Department of Clinical Science, University of Bergen, Bergen, Norway
| | - Ingvild Aukrust
- Center for Medical Genetics and Molecular Medicine, Haukeland University Hospital, Bergen, Norway
- Department of Clinical Science, University of Bergen, Bergen, Norway
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18
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Joshi V, Amanullah A, Upadhyay A, Mishra R, Kumar A, Mishra A. A Decade of Boon or Burden: What Has the CHIP Ever Done for Cellular Protein Quality Control Mechanism Implicated in Neurodegeneration and Aging? Front Mol Neurosci 2016; 9:93. [PMID: 27757073 PMCID: PMC5047891 DOI: 10.3389/fnmol.2016.00093] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2016] [Accepted: 09/20/2016] [Indexed: 01/13/2023] Open
Abstract
Cells regularly synthesize new proteins to replace old and abnormal proteins for normal cellular functions. Two significant protein quality control pathways inside the cellular milieu are ubiquitin proteasome system (UPS) and autophagy. Autophagy is known for bulk clearance of cytoplasmic aggregated proteins, whereas the specificity of protein degradation by UPS comes from E3 ubiquitin ligases. Few E3 ubiquitin ligases, like C-terminus of Hsc70-interacting protein (CHIP) not only take part in protein quality control pathways, but also plays a key regulatory role in other cellular processes like signaling, development, DNA damage repair, immunity and aging. CHIP targets misfolded proteins for their degradation through proteasome, as well as autophagy; simultaneously, with the help of chaperones, it also regulates folding attempts for misfolded proteins. The broad range of CHIP substrates and their associations with multiple pathologies make it a key molecule to work upon and focus for future therapeutic interventions. E3 ubiquitin ligase CHIP interacts and degrades many protein inclusions formed in neurodegenerative diseases. The presence of CHIP at various nodes of cellular protein-protein interaction network presents this molecule as a potential candidate for further research. In this review, we have explored a wide range of functionality of CHIP inside cells by a detailed presentation of its co-chaperone, E3 and E4 enzyme like functions, with central focus on its protein quality control roles in neurodegenerative diseases. We have also raised many unexplored but expected fundamental questions regarding CHIP functions, which generate hopes for its future applications in research, as well as drug discovery.
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Affiliation(s)
- Vibhuti Joshi
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur Rajasthan, India
| | - Ayeman Amanullah
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur Rajasthan, India
| | - Arun Upadhyay
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur Rajasthan, India
| | - Ribhav Mishra
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur Rajasthan, India
| | - Amit Kumar
- Centre for Biosciences and Biomedical Engineering, Indian Institute of Technology Indore Madhya Pradesh, India
| | - Amit Mishra
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology Jodhpur Rajasthan, India
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19
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Trehalose rescues glial cell dysfunction in striatal cultures from HD R6/1 mice at early postnatal development. Mol Cell Neurosci 2016; 74:128-45. [DOI: 10.1016/j.mcn.2016.05.002] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2015] [Revised: 03/29/2016] [Accepted: 05/24/2016] [Indexed: 12/31/2022] Open
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20
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Clinical and Neuropathological Features of Spastic Ataxia in a Spanish Family with Novel Compound Heterozygous Mutations in STUB1. THE CEREBELLUM 2016; 14:378-81. [PMID: 25592071 DOI: 10.1007/s12311-014-0643-7] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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21
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Schisler JC, Patterson C, Willis MS. SKELETAL MUSCLE MITOCHONDRIAL ALTERATIONS IN CARBOXYL TERMINUS OF HSC70 INTERACTING PROTEIN (CHIP) -/- MICE. AFRICAN JOURNAL OF CELLULAR PATHOLOGY 2016; 6:28-36. [PMID: 28593200 PMCID: PMC5459302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
AIM Hereditary ataxias are characterized by a slowly progressive loss of gait, hand, speech, and eye coordination and cerebellar atrophy. A subset of these, including hypogonadism, are inherited as autosomal recessive traits involving coding mutations of genes involved in ubiquitination including RNF216, OTUD4, and STUB1. Cerebellar CHIPopathy (MIM 615768) is a form of autosomal recessive spinocerebellar ataxia (SCAR16) and when accompanied with hypogonadism, clinically resembles the Gordon Holmes Syndrome (GHS). A causal missense mutation in the gene that encodes the carboxy terminus of HSP-70 interacting protein (CHIP) protein was reported for the first time in 2014. CHIP-/- mice were found to phenocopy the motor deficiencies and some aspects of the hypogonadism observed in patients with STUB1 mutations. However, mechanisms responsible for these deficits are not known. METHODS In a survey of skeletal muscle by transmission electron microscopy. RESULTS CHIP-/- mice at 6 months of age were found to have morphological changes consistent with increased sarcoplasmic reticulum compartments in quadriceps muscle and gastrocnemius (toxic oligomers and tubular aggregates), but not in soleus. CONCLUSION Since CHIP has been implicated in ER stress in non-muscle cells, these findings illustrate potential parallel roles of CHIP in the muscle sarcoplasmic reticulum, a hypothesis that may be clinically relevant in a variety of common muscular and cardiac diseases.
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Affiliation(s)
- Jonathan C. Schisler
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC USA
- Department of Pharmacology, University of North Carolina, Chapel Hill, NC USA
| | - Cam Patterson
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC USA
- Presbyterian Hospital/Weill-Cornell Medical Center, New York, New York, USA
| | - Monte S. Willis
- McAllister Heart Institute, University of North Carolina, Chapel Hill, NC USA
- Department of Pharmacology, University of North Carolina, Chapel Hill, NC USA
- Department of Pathology & Laboratory Medicine, University of North Carolina, Chapel Hill, NC USA
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22
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Kim M, Sandford E, Gatica D, Qiu Y, Liu X, Zheng Y, Schulman BA, Xu J, Semple I, Ro SH, Kim B, Mavioglu RN, Tolun A, Jipa A, Takats S, Karpati M, Li JZ, Yapici Z, Juhasz G, Lee JH, Klionsky DJ, Burmeister M. Mutation in ATG5 reduces autophagy and leads to ataxia with developmental delay. eLife 2016; 5. [PMID: 26812546 PMCID: PMC4786408 DOI: 10.7554/elife.12245] [Citation(s) in RCA: 137] [Impact Index Per Article: 17.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2015] [Accepted: 01/13/2016] [Indexed: 12/24/2022] Open
Abstract
Autophagy is required for the homeostasis of cellular material and is proposed to be involved in many aspects of health. Defects in the autophagy pathway have been observed in neurodegenerative disorders; however, no genetically-inherited pathogenic mutations in any of the core autophagy-related (ATG) genes have been reported in human patients to date. We identified a homozygous missense mutation, changing a conserved amino acid, in ATG5 in two siblings with congenital ataxia, mental retardation, and developmental delay. The subjects' cells display a decrease in autophagy flux and defects in conjugation of ATG12 to ATG5. The homologous mutation in yeast demonstrates a 30-50% reduction of induced autophagy. Flies in which Atg5 is substituted with the mutant human ATG5 exhibit severe movement disorder, in contrast to flies expressing the wild-type human protein. Our results demonstrate the critical role of autophagy in preventing neurological diseases and maintaining neuronal health. DOI:http://dx.doi.org/10.7554/eLife.12245.001 Ataxia is a rare disease that affects balance and co-ordination, leading to difficulties in walking and other movements. The disease mostly affects adults, but some children are born with it and they often have additional cognitive and developmental problems. Mutations in at least 60 genes are known to be able to cause ataxia, but it is thought that there are still more to be found. Kim, Sandford et al. studied two siblings with the childhood form of ataxia and found that they both had a mutation in a gene called ATG5. The protein produced by the mutant ATG5 gene was less able to interact with another protein called ATG12. Furthermore, the cells of both children had defects in a process called autophagy – which destroys old and faulty proteins to prevent them accumulating and causing damage to the cell. Next, Kim, Sandford et al. examined the effect of this mutation in baker’s yeast cells. Cells with a mutation in the yeast equivalent of human ATG5 had lower levels of autophagy than normal cells. Further experiments used fruit flies that lacked fly Atg5, which were unable to fly or walk properly. Inserting the normal form of human ATG5 into the flies restored normal movement, but the mutant form of the gene had less of an effect. These findings suggest that a mutation in ATG5 can be responsible for the symptoms of childhood ataxia. Kim, Sandford et al. think that other people with severe ataxia may have mutations in genes involved in autophagy. Therefore, the next step is to study autophagy in cells from many other ataxia patients. DOI:http://dx.doi.org/10.7554/eLife.12245.002
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Affiliation(s)
- Myungjin Kim
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, United States
| | - Erin Sandford
- Molecular and Behavioral Neuroscience Institute, University of Michigan, Ann Arbor, United States
| | - Damian Gatica
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, United States.,Life Sciences Institute, University of Michigan, Ann Arbor, United States
| | - Yu Qiu
- Department of Structural Biology, St Jude Children's Research Hospital, Memphis, United States
| | - Xu Liu
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, United States.,Life Sciences Institute, University of Michigan, Ann Arbor, United States
| | - Yumei Zheng
- Department of Structural Biology, St Jude Children's Research Hospital, Memphis, United States
| | - Brenda A Schulman
- Department of Structural Biology, St Jude Children's Research Hospital, Memphis, United States.,Howard Hughes Medical Institute, St. Jude Children's Research Hospital, Memphis, United States
| | - Jishu Xu
- Department of Human Genetics, University of Michigan, Ann Arbor, United States
| | - Ian Semple
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, United States
| | - Seung-Hyun Ro
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, United States
| | - Boyoung Kim
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, United States
| | - R Nehir Mavioglu
- Department of Molecular Biology and Genetics, Boğaziçi University, Istanbul, Turkey
| | - Aslıhan Tolun
- Department of Molecular Biology and Genetics, Boğaziçi University, Istanbul, Turkey
| | - Andras Jipa
- Institute of Genetics, Biological Research Centre, Hungarian Academy of Sciences, Szeged, Hungary.,Department of Anatomy, Cell and Developmental Biology, Eötvös Loránd University, Budapest, Hungary
| | - Szabolcs Takats
- Department of Anatomy, Cell and Developmental Biology, Eötvös Loránd University, Budapest, Hungary
| | - Manuela Karpati
- Department of Anatomy, Cell and Developmental Biology, Eötvös Loránd University, Budapest, Hungary
| | - Jun Z Li
- Department of Human Genetics, University of Michigan, Ann Arbor, United States.,Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, United States
| | - Zuhal Yapici
- Department of Neurology, Faculty of Medicine, Istanbul University, Istanbul, Turkey
| | - Gabor Juhasz
- Institute of Genetics, Biological Research Centre, Hungarian Academy of Sciences, Szeged, Hungary.,Department of Anatomy, Cell and Developmental Biology, Eötvös Loránd University, Budapest, Hungary
| | - Jun Hee Lee
- Department of Molecular and Integrative Physiology, University of Michigan, Ann Arbor, United States
| | - Daniel J Klionsky
- Department of Molecular, Cellular, and Developmental Biology, University of Michigan, Ann Arbor, United States.,Life Sciences Institute, University of Michigan, Ann Arbor, United States
| | - Margit Burmeister
- Molecular and Behavioral Neuroscience Institute, University of Michigan, Ann Arbor, United States.,Department of Human Genetics, University of Michigan, Ann Arbor, United States.,Department of Computational Medicine and Bioinformatics, University of Michigan, Ann Arbor, United States.,Department of Psychiatry, University of Michigan, Ann Arbor, United States
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23
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Trehalose, an mTOR-Independent Inducer of Autophagy, Inhibits Human Cytomegalovirus Infection in Multiple Cell Types. J Virol 2015; 90:1259-77. [PMID: 26559848 DOI: 10.1128/jvi.02651-15] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2015] [Accepted: 11/06/2015] [Indexed: 02/08/2023] Open
Abstract
UNLABELLED Human cytomegalovirus (HCMV) is the major viral cause of birth defects and a serious problem in immunocompromised individuals and has been associated with atherosclerosis. Previous studies have shown that the induction of autophagy can inhibit the replication of several different types of DNA and RNA viruses. The goal of the work presented here was to determine whether constitutive activation of autophagy would also block replication of HCMV. Most prior studies have used agents that induce autophagy via inhibition of the mTOR pathway. However, since HCMV infection alters the sensitivity of mTOR kinase-containing complexes to inhibitors, we sought an alternative method of inducing autophagy. We chose to use trehalose, a nontoxic naturally occurring disaccharide that is found in plants, insects, microorganisms, and invertebrates but not in mammals and that induces autophagy by an mTOR-independent mechanism. Given the many different cell targets of HCMV, we proceeded to determine whether trehalose would inhibit HCMV infection in human fibroblasts, aortic artery endothelial cells, and neural cells derived from human embryonic stem cells. We found that in all of these cell types, trehalose induces autophagy and inhibits HCMV gene expression and production of cell-free virus. Treatment of HCMV-infected neural cells with trehalose also inhibited production of cell-associated virus and partially blocked the reduction in neurite growth and cytomegaly. These results suggest that activation of autophagy by the natural sugar trehalose or other safe mTOR-independent agents might provide a novel therapeutic approach for treating HCMV disease. IMPORTANCE HCMV infects multiple cell types in vivo, establishes lifelong persistence in the host, and can cause serious health problems for fetuses and immunocompromised individuals. HCMV, like all other persistent pathogens, has to finely tune its interplay with the host cellular machinery to replicate efficiently and evade detection by the immune system. In this study, we investigated whether modulation of autophagy, a host pathway necessary for the recycling of nutrients and removal of protein aggregates, misfolded proteins, and pathogens, could be used to target HCMV. We found that autophagy could be significantly increased by treatment with the nontoxic, natural disaccharide trehalose. Importantly, trehalose had a profound inhibitory effect on viral gene expression and strongly impaired viral spread. These data constitute a proof-of-concept for the use of natural products targeting host pathways rather than the virus itself, thus reducing the risk of the development of resistance to treatment.
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Chen ZZ, Wang CM, Lee GC, Hsu HC, Wu TL, Lin CW, Ma CK, Lee-Chen GJ, Huang HJ, Hsieh-Li HM. Trehalose attenuates the gait ataxia and gliosis of spinocerebellar ataxia type 17 mice. Neurochem Res 2015; 40:800-10. [PMID: 25672822 DOI: 10.1007/s11064-015-1530-4] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2014] [Revised: 01/25/2015] [Accepted: 01/29/2015] [Indexed: 12/17/2022]
Abstract
Spinocerebellar ataxia type 17 (SCA17) is caused by CAG/CAA repeat expansion on the gene encoding a general transcription factor, TATA-box-binding protein (TBP). The CAG repeat expansion leads to the reduced solubility of polyglutamine TBP and induces aggregate formation. The TBP aggregation, mostly present in the cell nuclei, is distinct from that in most other neurodegenerative diseases, in which the aggregation is formed in cytosol or extracellular compartments. Trehalose is a disaccharide issued by the Food and Drug Administration with a Generally Recognized As Safe status. Lines of evidence suggest trehalose could prevent protein aggregate formation in several neurodegenerative diseases, including Alzheimer's disease, Parkinson's disease, and Huntington's disease. In this study, we evaluated the therapeutic potential of trehalose on SCA17 using cerebellar primary and organotypic culture systems and a mouse model. Our results showed that TBP nuclear aggregation was significantly decreased in both the primary and slice cultures. Trehalose (4 %) was further supplied in the drinking water of SCA17 transgenic mice. We found both the gait behavior in the footprint analysis and motor coordination in the rotarod task were significantly improved in the trehalose-treated SCA17 mice. The cerebellar weight was increased and the astrocyte gliosis was reduced in SCA17 mice after trehalose treatment. These data suggest that trehalose could be a potential nontoxic treatment for SCA17.
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Affiliation(s)
- Zhi-Zhong Chen
- Department of Life Science, National Taiwan Normal University, Taipei, Taiwan
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