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Lima CR, Antunes D, Caffarena E, Carels N. Structural Characterization of Heat Shock Protein 90β and Molecular Interactions with Geldanamycin and Ritonavir: A Computational Study. Int J Mol Sci 2024; 25:8782. [PMID: 39201468 PMCID: PMC11354266 DOI: 10.3390/ijms25168782] [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: 06/20/2024] [Revised: 08/07/2024] [Accepted: 08/09/2024] [Indexed: 09/02/2024] Open
Abstract
Drug repositioning is an important therapeutic strategy for treating breast cancer. Hsp90β chaperone is an attractive target for inhibiting cell progression. Its structure has a disordered and flexible linker region between the N-terminal and central domains. Geldanamycin was the first Hsp90β inhibitor to interact specifically at the N-terminal site. Owing to the toxicity of geldanamycin, we investigated the repositioning of ritonavir as an Hsp90β inhibitor, taking advantage of its proven efficacy against cancer. In this study, we used molecular modeling techniques to analyze the contribution of the Hsp90β linker region to the flexibility and interaction between the ligands geldanamycin, ritonavir, and Hsp90β. Our findings indicate that the linker region is responsible for the fluctuation and overall protein motion without disturbing the interaction between the inhibitors and the N-terminus. We also found that ritonavir established similar interactions with the substrate ATP triphosphate, filling the same pharmacophore zone.
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Affiliation(s)
- Carlyle Ribeiro Lima
- Laboratory of Biological System Modeling, Centro de Desenvolvimento Tecnológico em Saúde (CDTS), Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro 21040-900, Brazil
| | - Deborah Antunes
- Laboratório de Genômica Aplicada e Bioinovações, Instituto Oswaldo Cruz, Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro 21040-900, Brazil;
| | - Ernesto Caffarena
- Grupo de Biofísica Computacional e Modelagem Molecular, Programa de Computação Científica (PROCC), Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro 21040-900, Brazil;
| | - Nicolas Carels
- Laboratory of Biological System Modeling, Centro de Desenvolvimento Tecnológico em Saúde (CDTS), Fundação Oswaldo Cruz (FIOCRUZ), Rio de Janeiro 21040-900, Brazil
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2
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Astillero‐Lopez V, Villar‐Conde S, Gonzalez‐Rodriguez M, Flores‐Cuadrado A, Ubeda‐Banon I, Saiz‐Sanchez D, Martinez‐Marcos A. Proteomic analysis identifies HSP90AA1, PTK2B, and ANXA2 in the human entorhinal cortex in Alzheimer's disease: Potential role in synaptic homeostasis and Aβ pathology through microglial and astroglial cells. Brain Pathol 2024; 34:e13235. [PMID: 38247340 PMCID: PMC11189773 DOI: 10.1111/bpa.13235] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 12/18/2023] [Indexed: 01/23/2024] Open
Abstract
Alzheimer's disease (AD), the most prevalent neurodegenerative disorder worldwide, is clinically characterized by cognitive deficits. Neuropathologically, AD brains accumulate deposits of amyloid-β (Aβ) and tau proteins. Furthermore, these misfolded proteins can propagate from cell to cell in a prion-like manner and induce native proteins to become pathological. The entorhinal cortex (EC) is among the earliest areas affected by tau accumulation along with volume reduction and neurodegeneration. Neuron-glia interactions have recently come into focus; however, the role of microglia and astroglia in the pathogenesis of AD remains unclear. Proteomic approaches allow the determination of changes in the proteome to better understand the pathology underlying AD. Bioinformatic analysis of proteomic data was performed to compare ECs from AD and non-AD human brain tissue. To validate the proteomic results, western blot, immunofluorescence, and confocal studies were carried out. The findings revealed that the most disturbed signaling pathway was synaptogenesis. Because of their involvement in synapse function, relationship with Aβ and tau proteins and interactions in the pathway analysis, three proteins were selected for in-depth study: HSP90AA1, PTK2B, and ANXA2. All these proteins showed colocalization with neurons and/or astroglia and microglia and with pathological Aβ and tau proteins. In particular, ANXA2, which is overexpressed in AD, colocalized with amoeboid microglial cells and Aβ plaques surrounded by astrocytes. Taken together, the evidence suggests that unbalanced expression of HSP90AA1, PTK2B, and ANXA2 may play a significant role in synaptic homeostasis and Aβ pathology through microglial and astroglial cells in the human EC in AD.
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Affiliation(s)
- Veronica Astillero‐Lopez
- Neuroplasticity and Neurodegeneration Laboratory, CRIB, Ciudad Real Medical SchoolUniversity of Castilla‐La Mancha (UCLM)Ciudad RealSpain
- Grupo de Neuroplasticidad y Neurodegeneración, Instituto de Investigación Sanitaria de Castilla‐La Mancha (IDISCAM)Castilla‐La ManchaSpain
| | - Sandra Villar‐Conde
- Neuroplasticity and Neurodegeneration Laboratory, CRIB, Ciudad Real Medical SchoolUniversity of Castilla‐La Mancha (UCLM)Ciudad RealSpain
- Grupo de Neuroplasticidad y Neurodegeneración, Instituto de Investigación Sanitaria de Castilla‐La Mancha (IDISCAM)Castilla‐La ManchaSpain
| | - Melania Gonzalez‐Rodriguez
- Neuroplasticity and Neurodegeneration Laboratory, CRIB, Ciudad Real Medical SchoolUniversity of Castilla‐La Mancha (UCLM)Ciudad RealSpain
- Grupo de Neuroplasticidad y Neurodegeneración, Instituto de Investigación Sanitaria de Castilla‐La Mancha (IDISCAM)Castilla‐La ManchaSpain
| | - Alicia Flores‐Cuadrado
- Neuroplasticity and Neurodegeneration Laboratory, CRIB, Ciudad Real Medical SchoolUniversity of Castilla‐La Mancha (UCLM)Ciudad RealSpain
- Grupo de Neuroplasticidad y Neurodegeneración, Instituto de Investigación Sanitaria de Castilla‐La Mancha (IDISCAM)Castilla‐La ManchaSpain
| | - Isabel Ubeda‐Banon
- Neuroplasticity and Neurodegeneration Laboratory, CRIB, Ciudad Real Medical SchoolUniversity of Castilla‐La Mancha (UCLM)Ciudad RealSpain
- Grupo de Neuroplasticidad y Neurodegeneración, Instituto de Investigación Sanitaria de Castilla‐La Mancha (IDISCAM)Castilla‐La ManchaSpain
| | - Daniel Saiz‐Sanchez
- Neuroplasticity and Neurodegeneration Laboratory, CRIB, Ciudad Real Medical SchoolUniversity of Castilla‐La Mancha (UCLM)Ciudad RealSpain
- Grupo de Neuroplasticidad y Neurodegeneración, Instituto de Investigación Sanitaria de Castilla‐La Mancha (IDISCAM)Castilla‐La ManchaSpain
| | - Alino Martinez‐Marcos
- Neuroplasticity and Neurodegeneration Laboratory, CRIB, Ciudad Real Medical SchoolUniversity of Castilla‐La Mancha (UCLM)Ciudad RealSpain
- Grupo de Neuroplasticidad y Neurodegeneración, Instituto de Investigación Sanitaria de Castilla‐La Mancha (IDISCAM)Castilla‐La ManchaSpain
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3
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Yadikar H, Ansari MA, Abu-Farha M, Joseph S, Thomas BT, Al-Mulla F. Deciphering Early and Progressive Molecular Signatures in Alzheimer's Disease through Integrated Longitudinal Proteomic and Pathway Analysis in a Rodent Model. Int J Mol Sci 2024; 25:6469. [PMID: 38928172 PMCID: PMC11203991 DOI: 10.3390/ijms25126469] [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: 04/18/2024] [Revised: 05/25/2024] [Accepted: 06/02/2024] [Indexed: 06/28/2024] Open
Abstract
Alzheimer's disease (AD), the leading cause of dementia worldwide, remains a challenge due to its complex origin and degenerative character. The need for accurate biomarkers and treatment targets hinders early identification and intervention. To fill this gap, we used a novel longitudinal proteome methodology to examine the temporal development of molecular alterations in the cortex of an intracerebroventricular streptozotocin (ICV-STZ)-induced AD mouse model for disease initiation and progression at one, three-, and six-weeks post-treatment. Week 1 revealed metabolic protein downregulation, such as Aldoa and Pgk1. Week 3 showed increased Synapsin-1, and week 6 showed cytoskeletal protein alterations like Vimentin. The biological pathways, upstream regulators, and functional effects of proteome alterations were dissected using advanced bioinformatics methods, including Ingenuity Pathway Analysis (IPA) and machine learning algorithms. We identified Mitochondrial Dysfunction, Synaptic Vesicle Pathway, and Neuroinflammation Signaling as disease-causing pathways. Huntington's Disease Signaling and Synaptogenesis Signaling were stimulated while Glutamate Receptor and Calcium Signaling were repressed. IPA also found molecular connections between PPARGC1B and AGT, which are involved in myelination and possible neoplastic processes, and MTOR and AR, which imply mechanistic involvements beyond neurodegeneration. These results help us comprehend AD's molecular foundation and demonstrate the promise of focused proteomic techniques to uncover new biomarkers and therapeutic targets for AD, enabling personalized medicine.
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Affiliation(s)
- Hamad Yadikar
- Department of Biological Sciences, Faculty of Science, Kuwait University, Sabah AlSalem University City, Kuwait City 13060, Kuwait
- OMICS Research Unit, Research Core Facility, Faculty of Medicine, Kuwait University, Kuwait City 13110, Kuwait;
| | - Mubeen A. Ansari
- Department of Pharmacology and Toxicology, Faculty of Medicine, Kuwait University, Kuwait City 13110, Kuwait;
| | - Mohamed Abu-Farha
- Department of Translational Research, Dasman Diabetes Institute, Kuwait City 15462, Kuwait; (M.A.-F.); (F.A.-M.)
| | - Shibu Joseph
- Department of Special Service Facility, Dasman Diabetes Institute, Kuwait City 15462, Kuwait;
| | - Betty T. Thomas
- OMICS Research Unit, Research Core Facility, Faculty of Medicine, Kuwait University, Kuwait City 13110, Kuwait;
| | - Fahd Al-Mulla
- Department of Translational Research, Dasman Diabetes Institute, Kuwait City 15462, Kuwait; (M.A.-F.); (F.A.-M.)
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4
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Ceylan B, Düz E, Çakir T. Personalized Protein-Protein Interaction Networks Towards Unraveling the Molecular Mechanisms of Alzheimer's Disease. Mol Neurobiol 2024; 61:2120-2135. [PMID: 37855983 DOI: 10.1007/s12035-023-03690-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 10/02/2023] [Indexed: 10/20/2023]
Abstract
Alzheimer's disease (AD) is a highly heterogenous neurodegenerative disease, and several omic-based datasets were generated in the last decade from the patients with the disease. However, the vast majority of studies evaluate these datasets in bulk by considering all the patients as a single group, which obscures the molecular differences resulting from the heterogeneous nature of the disease. In this study, we adopted a personalized approach and analyzed the transcriptome data from 403 patients individually by mapping the data on a human protein-protein interaction network. Patient-specific subnetworks were discovered and analyzed in terms of the genes in the subnetworks, enriched functional terms, and known AD genes. We identified several affected pathways that could not be captured by the bulk comparison. We also showed that our personalized findings point to patterns of alterations consistent with the recently suggested AD subtypes.
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Affiliation(s)
- Betül Ceylan
- Department of Bioengineering, Gebze Technical University, 41400, Gebze, Kocaeli, Turkey
| | - Elif Düz
- Department of Bioengineering, Gebze Technical University, 41400, Gebze, Kocaeli, Turkey
| | - Tunahan Çakir
- Department of Bioengineering, Gebze Technical University, 41400, Gebze, Kocaeli, Turkey.
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Singh A, Tiwari S, Singh S. Pirh2 modulates amyloid-β aggregation through the regulation of glucose-regulated protein 78 and chaperone-mediated signaling. J Cell Physiol 2023; 238:2841-2854. [PMID: 37882235 DOI: 10.1002/jcp.31134] [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: 11/07/2022] [Revised: 09/14/2023] [Accepted: 09/21/2023] [Indexed: 10/27/2023]
Abstract
Amyloid-β (Aβ) protein aggregation in the brain is a pathological hallmark of Alzheimer's disease (AD) however, the underlying molecular mechanisms regulating amyloid aggregation are not well understood. Here, we studied the propitious role of E3 ubiquitin ligase Pirh2 in Aβ protein aggregation in view of its regulatory ligase activity in the ubiquitin-proteasome system employing both cellular and sporadic rodent models of AD. Pirh2 protein abundance was significantly increased during Streptozotocin (STZ) induced AD conditions, and transient silencing of Pirh2 significantly inhibited the Aβ aggregation and modified the dendrite morphology along with the substantial decrease in choline level in the differentiated neurons. MALDI-TOF/TOF, coimmunoprecipitation, and UbcH7-linked in vitro ubiquitylation analysis confirmed the high interaction of Pirh2 with chaperone GRP78. Furthermore, Pirh2 silencing inhibits the STZ induced altered level of endoplasmic reticulum stress and intracellular Ca2+ levels in neuronal N2a cells. Pirh2 silencing also inhibited the AD conditions related to the altered protein abundance of HSP90 and its co-chaperones which may collectively involve in the reduced burden of amyloid aggregates in neuronal cells. Pirh2 silencing further stabilized the nuclear translocation of phospho-Nrf2 and inhibited the altered level of autophagy factors. Taken together, our data indicated that Pirh2 is critically involved in STZ induced AD pathogenesis through its interaction with ER-chaperone GRP78, improves the neuronal connectivity, affects the altered level of chaperones, co-chaperones, & autophagic markers, and collectively inhibits the Aβ aggregation.
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Affiliation(s)
- Abhishek Singh
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, India
| | - Shubhangini Tiwari
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow, India
| | - Sarika Singh
- Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow, India
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, India
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Cifù A, Janes F, Mio C, Domenis R, Pessa ME, Garbo R, Curcio F, Valente M, Fabris M. Brain Endothelial Cells Activate Neuroinflammatory Pathways in Response to Early Cerebral Small Vessel Disease (CSVD) Patients' Plasma. Biomedicines 2023; 11:3055. [PMID: 38002055 PMCID: PMC10669613 DOI: 10.3390/biomedicines11113055] [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: 10/11/2023] [Revised: 11/06/2023] [Accepted: 11/09/2023] [Indexed: 11/26/2023] Open
Abstract
The pathogenesis of cerebral small vessel disease (CSVD) is largely unknown. Endothelial disfunction has been suggested as the turning point in CSVD development. In this study, we tested the effect of plasma from CSVD patients on human cerebral microvascular endothelial cells with the aim of describing the pattern of endothelial activation. Plasma samples from three groups of young subjects have been tested: PTs (subjects affected by early stage CSVD); CTRLs (control subjects without abnormalities at MRI scanning); BDs (blood donors). Human Brain Endothelial Cells 5i (HBEC5i) were treated with plasma and total RNA was extracted. RNAs were pooled to reduce gene expression-based variability and NGS analysis was performed. Differentially expressed genes were highlighted comparing PTs, CTRLs and BDs with HBEC5i untreated cells. No significantly altered pathway was evaluated in BD-related treatment. Regulation of p38 MAPK cascade (GO:1900744) was the only pathway altered in CTRL-related treatment. Indeed, 36 different biological processes turned out to be deregulated after PT treatment of HBEC5i, i.e., the cytokine-mediated signaling pathway (GO:0019221). Endothelial cells activate inflammatory pathways in response to stimuli from CSVD patients' plasma, suggesting the pathogenetic role of neuroinflammation from the early asymptomatic phases of cerebrovascular disease.
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Affiliation(s)
- Adriana Cifù
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy; (A.C.); (C.M.); (R.D.); (F.C.); (M.V.); (M.F.)
| | - Francesco Janes
- Department of Head, Neck and Neuroscience, Azienda Sanitaria Universitaria Friuli Centrale (ASUFC), 33100 Udine, Italy; (M.E.P.); (R.G.)
| | - Catia Mio
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy; (A.C.); (C.M.); (R.D.); (F.C.); (M.V.); (M.F.)
| | - Rossana Domenis
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy; (A.C.); (C.M.); (R.D.); (F.C.); (M.V.); (M.F.)
| | - Maria Elena Pessa
- Department of Head, Neck and Neuroscience, Azienda Sanitaria Universitaria Friuli Centrale (ASUFC), 33100 Udine, Italy; (M.E.P.); (R.G.)
| | - Riccardo Garbo
- Department of Head, Neck and Neuroscience, Azienda Sanitaria Universitaria Friuli Centrale (ASUFC), 33100 Udine, Italy; (M.E.P.); (R.G.)
- Neurology Unit of Gorizia-Monfalcone, Azienda Sanitaria Universitaria Giuliano-Isontina (ASUGI), 34100 Gorizia, Italy
| | - Francesco Curcio
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy; (A.C.); (C.M.); (R.D.); (F.C.); (M.V.); (M.F.)
- Institute of Clinical Pathology, Azienda Sanitaria Universitaria Friuli Centrale (ASUFC), 33100 Udine, Italy
| | - Mariarosaria Valente
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy; (A.C.); (C.M.); (R.D.); (F.C.); (M.V.); (M.F.)
- Department of Head, Neck and Neuroscience, Azienda Sanitaria Universitaria Friuli Centrale (ASUFC), 33100 Udine, Italy; (M.E.P.); (R.G.)
| | - Martina Fabris
- Department of Medicine (DAME), University of Udine, 33100 Udine, Italy; (A.C.); (C.M.); (R.D.); (F.C.); (M.V.); (M.F.)
- Institute of Clinical Pathology, Azienda Sanitaria Universitaria Friuli Centrale (ASUFC), 33100 Udine, Italy
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Manuel MTA, Tayo LL. Navigating the Gene Co-Expression Network and Drug Repurposing Opportunities for Brain Disorders Associated with Neurocognitive Impairment. Brain Sci 2023; 13:1564. [PMID: 38002524 PMCID: PMC10669457 DOI: 10.3390/brainsci13111564] [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: 09/16/2023] [Revised: 10/12/2023] [Accepted: 10/20/2023] [Indexed: 11/26/2023] Open
Abstract
Neurocognitive impairment refers to a spectrum of disorders characterized by a decline in cognitive functions such as memory, attention, and problem-solving, which are often linked to structural or functional abnormalities in the brain. While its exact etiology remains elusive, genetic factors play a pivotal role in disease onset and progression. This study aimed to identify highly correlated gene clusters (modules) and key hub genes shared across neurocognition-impairing diseases, including Alzheimer's disease (AD), Parkinson's disease with dementia (PDD), HIV-associated neurocognitive disorders (HAND), and glioma. Herein, the microarray datasets AD (GSE5281), HAND (GSE35864), glioma (GSE15824), and PD (GSE7621) were used to perform Weighted Gene Co-expression Network Analysis (WGCNA) to identify highly preserved modules across the studied brain diseases. Through gene set enrichment analysis, the shared modules were found to point towards processes including neuronal transcriptional dysregulation, neuroinflammation, protein aggregation, and mitochondrial dysfunction, hallmarks of many neurocognitive disorders. These modules were used in constructing protein-protein interaction networks to identify hub genes shared across the diseases of interest. These hub genes were found to play pivotal roles in processes including protein homeostasis, cell cycle regulation, energy metabolism, and signaling, all associated with brain and CNS diseases, and were explored for their drug repurposing experiments. Drug repurposing based on gene signatures highlighted drugs including Dorzolamide and Oxybuprocaine, which were found to modulate the expression of the hub genes in play and may have therapeutic implications in neurocognitive disorders. While both drugs have traditionally been used for other medical purposes, our study underscores the potential of a combined WGCNA and drug repurposing strategy for searching for new avenues in the simultaneous treatment of different diseases that have similarities in gene co-expression networks.
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Affiliation(s)
- Mathew Timothy Artuz Manuel
- School of Chemical, Biological, and Materials Engineering and Sciences, Mapúa University, Manila City 1002, Philippines;
- School of Graduate Studies, Mapúa University, Manila City 1002, Philippines
| | - Lemmuel L. Tayo
- School of Chemical, Biological, and Materials Engineering and Sciences, Mapúa University, Manila City 1002, Philippines;
- School of Graduate Studies, Mapúa University, Manila City 1002, Philippines
- Department of Biology, School of Medicine and Health Sciences, Mapúa University, Makati City 1200, Philippines
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Zhang L, Xu J, Guo J, Wang Y, Wang Q. Elucidation of Pharmacological Mechanism Underlying the Anti-Alzheimer's Disease Effects of Evodia rutaecarpa and Discovery of Novel Lead Molecules: An In Silico Study. Molecules 2023; 28:5846. [PMID: 37570816 PMCID: PMC10421504 DOI: 10.3390/molecules28155846] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 06/29/2023] [Accepted: 07/20/2023] [Indexed: 08/13/2023] Open
Abstract
Alzheimer's disease (AD) is a brain disease with a peculiarity of multiformity and an insidious onset. Multiple-target drugs, especially Chinese traditional medicine, have achieved a measure of success in AD treatment. Evodia rutaecarpa (Juss.) Benth. (Wuzhuyu, WZY, i.e., E. rutaecarpa), a traditional Chinese herb, has been identified as an effective drug to cure migraines. To our surprise, our in silico study showed that rather than migraines, Alzheimer's disease was the primary disease to which the E. rutaecarpa active compounds were targeted. Correspondingly, a behavioral experiment showed that E. rutaecarpa extract could improve impairments in learning and memory in AD model mice. However, the mechanism underlying the way that E. rutaecarpa compounds target AD is still not clear. For this purpose, we employed methods of pharmacology networking and molecular docking to explore this mechanism. We found that E. rutaecarpa showed significant AD-targeting characteristics, and alkaloids of E. rutaecarpa played the main role in binding to the key nodes of AD. Our research detected that E. rutaecarpa affects the pathologic development of AD through the serotonergic synapse signaling pathway (SLC6A4), hormones (PTGS2, ESR1, AR), anti-neuroinflammation (SRC, TNF, NOS3), transcription regulation (NR3C1), and molecular chaperones (HSP90AA1), especially in the key nodes of PTGS2, AR, SLCA64, and SRC. Graveoline, 5-methoxy-N, N-dimethyltryptamine, dehydroevodiamine, and goshuyuamide II in E. rutaecarpa show stronger binding affinities to these key proteins than currently known preclinical and clinical drugs, showing a great potential to be developed as lead molecules for treating AD.
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Affiliation(s)
- Lulu Zhang
- State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai 200032, China;
| | - Jia Xu
- Ningbo Key Laboratory of Behavioral Neuroscience, Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo 315211, China; (J.X.); (J.G.)
| | - Jiejie Guo
- Ningbo Key Laboratory of Behavioral Neuroscience, Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo 315211, China; (J.X.); (J.G.)
| | - Yun Wang
- State Key Laboratory of Medical Neurobiology, MOE Frontiers Center for Brain Science, Institutes of Brain Science, Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai 200032, China;
| | - Qinwen Wang
- Ningbo Key Laboratory of Behavioral Neuroscience, Zhejiang Provincial Key Laboratory of Pathophysiology, School of Medicine, Ningbo University, Ningbo 315211, China; (J.X.); (J.G.)
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9
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Roe SM, Török Z, McGown A, Horváth I, Spencer J, Pázmány T, Vigh L, Prodromou C. The Crystal Structure of the Hsp90-LA1011 Complex and the Mechanism by Which LA1011 May Improve the Prognosis of Alzheimer's Disease. Biomolecules 2023; 13:1051. [PMID: 37509087 PMCID: PMC10377191 DOI: 10.3390/biom13071051] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2023] [Revised: 06/25/2023] [Accepted: 06/26/2023] [Indexed: 07/30/2023] Open
Abstract
Functional changes in chaperone systems play a major role in the decline of cognition and contribute to neurological pathologies, such as Alzheimer's disease (AD). While such a decline may occur naturally with age or with stress or trauma, the mechanisms involved have remained elusive. The current models suggest that amyloid-β (Aβ) plaque formation leads to the hyperphosphorylation of tau by a Hsp90-dependent process that triggers tau neurofibrillary tangle formation and neurotoxicity. Several co-chaperones of Hsp90 can influence the phosphorylation of tau, including FKBP51, FKBP52 and PP5. In particular, elevated levels of FKBP51 occur with age and stress and are further elevated in AD. Recently, the dihydropyridine LA1011 was shown to reduce tau pathology and amyloid plaque formation in transgenic AD mice, probably through its interaction with Hsp90, although the precise mode of action is currently unknown. Here, we present a co-crystal structure of LA1011 in complex with a fragment of Hsp90. We show that LA1011 can disrupt the binding of FKBP51, which might help to rebalance the Hsp90-FKBP51 chaperone machinery and provide a favourable prognosis towards AD. However, without direct evidence, we cannot completely rule out effects on other Hsp90-co-chaprone complexes and the mechanisms they are involved in, including effects on Hsp90 client proteins. Nonetheless, it is highly significant that LA1011 showed promise in our previous AD mouse models, as AD is generally a disease affecting older patients, where slowing of disease progression could result in AD no longer being life limiting. The clinical value of LA1011 and its possible derivatives thereof remains to be seen.
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Affiliation(s)
- S Mark Roe
- Department of Biochemistry and Biomedicine, University of Sussex, Brighton BN1 9QG, UK
| | - Zsolt Török
- Institute of Biochemistry, Biological Research Centre, 6726 Szeged, Hungary
| | - Andrew McGown
- Sussex Drug Discovery Centre, School of Life Sciences, University of Sussex, Brighton BN1 9QG, UK
| | - Ibolya Horváth
- Institute of Biochemistry, Biological Research Centre, 6726 Szeged, Hungary
| | - John Spencer
- Sussex Drug Discovery Centre, School of Life Sciences, University of Sussex, Brighton BN1 9QG, UK
| | - Tamás Pázmány
- Gedeon Richter Plc, 1475 Budapest, Hungary
- National Vaccine Factory Plc, 4032 Debrecen, Hungary
| | - László Vigh
- Institute of Biochemistry, Biological Research Centre, 6726 Szeged, Hungary
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Wei W, Yao JX, Zhang TT, Wen JY, Zhang Z, Luo YM, Cao Y, Li H. Network pharmacology reveals that Berberine may function against Alzheimer's disease via the AKT signaling pathway. Front Neurosci 2023; 17:1059496. [PMID: 37214397 PMCID: PMC10192713 DOI: 10.3389/fnins.2023.1059496] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2022] [Accepted: 04/12/2023] [Indexed: 05/24/2023] Open
Abstract
Objective To investigate the mechanism underlying the effects of berberine (BBR) in the treatment of Alzheimer's disease (AD). Methods 3 × Tg AD mice were treated with BBR for 3 months, then the open field test (OFT), the novel object recognition test (NOR) and the Morris water maze (MWM) test were performed to assess behavioral performance. Hematoxylin-eosin (HE) staining, Nissl staining were used to examine histopathological changes. The pharmacological and molecular properties of BBR were obtained from the TCMSP database. BBR-associated AD targets were identified using the PharmMapper (PM), the comparative toxicogenomics database (CTD), DisGeNet and the human gene database (GeneCards). Core networks and BBR targets for the treatment of AD were identified using PPI network and functional enrichment analyses. AutoDock software was used to model the interaction between BBR and potential targets. Finally, RT-qPCR, western blotting were used to validate the expression of core targets. Results Behavioral experiments, HE staining and Nissl staining have shown that BBR can improve memory task performance and neuronal damage in the hippocampus of AD mice. 117 BBR-associated targets for the treatment of AD were identified, and 43 genes were used for downstream functional enrichment analysis in combination with the results of protein-protein interaction (PPI) network analysis. 2,230 biological processes (BP) terms, 67 cell components (CC) terms, 243 molecular function (MF) terms and 118 KEGG terms were identified. ALB, EGFR, CASP3 and five targets in the PI3K-AKT signaling pathway including AKT1, HSP90AA1, SRC, HRAS, IGF1 were selected by PPI network analysis, validated by molecular docking analysis and RT-q PCR as core targets for further analysis. Akt1 mRNA expression levels were significantly decreased in AD mice and significantly increased after BBR treatment (p < 0.05). Besides, AKT and ERK phosphorylation decreased in the model group, and BBR significantly increased their phosphorylation levels. Conclusion AKT1, HSP90AA1, SRC, HRAS, IGF1 and ALB, EGFR, CASP3 were core targets of BBR in the treatment of AD. BBR may exert a neuroprotective effect by modulating the ERK and AKT signaling pathways.
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Affiliation(s)
- Wei Wei
- Wangjing Hospital, China Academy of Chinese Medical Science, Beijing, China
- Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Science, Beijing, China
| | - Jiu-xiu Yao
- College of First Clinical Medicine, Shandong University of Traditional Chinese Medicine, Jinan, Shandong, China
| | - Ting-ting Zhang
- Wangjing Hospital, China Academy of Chinese Medical Science, Beijing, China
| | - Jia-yu Wen
- Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Science, Beijing, China
| | - Zhen Zhang
- Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Science, Beijing, China
| | - Yi-miao Luo
- Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Science, Beijing, China
| | - Yu Cao
- Institute of Geriatrics, Xiyuan Hospital, China Academy of Chinese Medical Science, Beijing, China
| | - Hao Li
- Wangjing Hospital, China Academy of Chinese Medical Science, Beijing, China
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11
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Maiti S, Picard D. Cytosolic Hsp90 Isoform-Specific Functions and Clinical Significance. Biomolecules 2022; 12:1166. [PMID: 36139005 PMCID: PMC9496497 DOI: 10.3390/biom12091166] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2022] [Revised: 08/18/2022] [Accepted: 08/19/2022] [Indexed: 11/17/2022] Open
Abstract
The heat shock protein 90 (Hsp90) is a molecular chaperone and a key regulator of proteostasis under both physiological and stress conditions. In mammals, there are two cytosolic Hsp90 isoforms: Hsp90α and Hsp90β. These two isoforms are 85% identical and encoded by two different genes. Hsp90β is constitutively expressed and essential for early mouse development, while Hsp90α is stress-inducible and not necessary for survivability. These two isoforms are known to have largely overlapping functions and to interact with a large fraction of the proteome. To what extent there are isoform-specific functions at the protein level has only relatively recently begun to emerge. There are studies indicating that one isoform is more involved in the functionality of a specific tissue or cell type. Moreover, in many diseases, functionally altered cells appear to be more dependent on one particular isoform. This leaves space for designing therapeutic strategies in an isoform-specific way, which may overcome the unfavorable outcome of pan-Hsp90 inhibition encountered in previous clinical trials. For this to succeed, isoform-specific functions must be understood in more detail. In this review, we summarize the available information on isoform-specific functions of mammalian Hsp90 and connect it to possible clinical applications.
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Affiliation(s)
| | - Didier Picard
- Département de Biologie Moléculaire et Cellulaire, Université de Genève, Sciences III, Quai Ernest-Ansermet 30, CH-1211 Geneve, Switzerland
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12
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Lopez-Toledo G, Silva-Lucero MDC, Herrera-Díaz J, García DE, Arias-Montaño JA, Cardenas-Aguayo MDC. Patient-Derived Fibroblasts With Presenilin-1 Mutations, That Model Aspects of Alzheimer’s Disease Pathology, Constitute a Potential Object for Early Diagnosis. Front Aging Neurosci 2022; 14:921573. [PMID: 35847683 PMCID: PMC9283986 DOI: 10.3389/fnagi.2022.921573] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2022] [Accepted: 06/13/2022] [Indexed: 11/13/2022] Open
Abstract
Alzheimer’s disease (AD), a neurodegenerative disorder that can occur in middle or old age, is characterized by memory loss, a continuous decline in thinking, behavioral and social skills that affect the ability of an individual to function independently. It is divided into sporadic and familial subtypes. Early-onset familial AD (FAD) is linked to mutations in genes coding for the amyloid-β protein precursor (AβPP), presenilin 1 (PS1), and presenilin 2 (PS2), which lead to alterations in AβPP processing, generation of the Amyloid-β peptide and hyperphosphorylation of tau protein. Identification of early biomarkers for AD diagnosis represents a challenge, and it has been suggested that molecular changes in neurodegenerative pathways identified in the brain of AD patients can be detected in peripheral non-neural cells derived from familial or sporadic AD patients. In the present study, we determined the protein expression, the proteomic and in silico characterization of skin fibroblasts from FAD patients with PS1 mutations (M146L or A246E) or from healthy individuals. Our results shown that fibroblasts from AD patients had increased expression of the autophagy markers LC3II, LAMP2 and Cathepsin D, a significant increase in total GSK3, phosphorylated ERK1/2 (Thr202/Tyr204) and phosphorylated tau (Thr231, Ser396, and Ser404), but no difference in the phosphorylation of Akt (Ser473) or the α (Ser21) and β (Ser9) GSK3 isoforms, highlighting the relevant role of abnormal protein post-translational modifications in age-related neurodegenerative diseases, such as AD. Both 2-DE gels and mass spectrometry showed significant differences in the expression of the signaling pathways associated with protein folding and the autophagic pathway mediated by chaperones with the expression of HSPA5, HSPE1, HSPD1, HSP90AA1, and HSPE1 and reticular stress in the FAD samples. Furthermore, expression of the heat shock proteins HSP90 and HSP70 was significantly higher in the cells from AD patients as confirmed by Western blot. Taken together our results indicate that fibroblasts from patients with FAD-PS1 present alterations in signaling pathways related to cellular stress, autophagy, lysosomes, and tau phosphorylation. Fibroblasts can therefore be useful in modeling pathways related to neurodegeneration, as well as for the identification of early AD biomarkers.
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Affiliation(s)
- Gustavo Lopez-Toledo
- Laboratory of Cellular Reprogramming, Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav-IPN), Mexico City, Mexico
| | - Maria-del-Carmen Silva-Lucero
- Laboratory of Cellular Reprogramming, Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | - Jorge Herrera-Díaz
- Unidad de Servicios de Apoyo a la Investigación y a la Industria, Facultad de Química, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - David-Erasmo García
- Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
| | - José-Antonio Arias-Montaño
- Departamento de Fisiología, Biofísica y Neurociencias, Centro de Investigación y de Estudios Avanzados del Instituto Politécnico Nacional (Cinvestav-IPN), Mexico City, Mexico
| | - Maria-del-Carmen Cardenas-Aguayo
- Laboratory of Cellular Reprogramming, Departamento de Fisiología, Facultad de Medicina, Universidad Nacional Autónoma de México (UNAM), Mexico City, Mexico
- *Correspondence: Maria-del-Carmen Cardenas-Aguayo,
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13
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Gonzalez-Rodriguez M, Villar-Conde S, Astillero-Lopez V, Villanueva-Anguita P, Ubeda-Banon I, Flores-Cuadrado A, Martinez-Marcos A, Saiz-Sanchez D. Neurodegeneration and Astrogliosis in the Human CA1 Hippocampal Subfield Are Related to hsp90ab1 and bag3 in Alzheimer's Disease. Int J Mol Sci 2021; 23:165. [PMID: 35008592 PMCID: PMC8745315 DOI: 10.3390/ijms23010165] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Revised: 12/19/2021] [Accepted: 12/20/2021] [Indexed: 02/06/2023] Open
Abstract
Alzheimer's disease (AD), the most prevalent neurodegenerative disorder, is characterized by executive dysfunction and memory impairment mediated by the accumulation of extracellular amyloid-β peptide (Aβ) and intracellular hyperphosphorylated tau protein. The hippocampus (HIPP) is essential for memory formation and is involved in early stages of disease. In fact, hippocampal atrophy is used as an early biomarker of neuronal injury and to evaluate disease progression. It is not yet well-understood whether changes in hippocampal volume are due to neuronal or glial loss. The aim of the study was to assess hippocampal atrophy and/or gliosis using unbiased stereological quantification and to obtain hippocampal proteomic profiles related to neurodegeneration and gliosis. Hippocampal volume measurement, stereological quantification of NeuN-, Iba-1- and GFAP-positive cells, and sequential window acquisition of all theoretical mass spectrometry (SWATH-MS) analysis were performed in AD and non-AD cases. Reduced hippocampal volume was identified using the Cavalieri probe, particularly in the CA1 region, where it correlated with neuronal loss and astrogliosis. A total of 102 downregulated and 47 upregulated proteins were identified in the SWATH-MS analysis after restrictive filtering based on an FC > 1.5 and p value < 0.01. The Hsp90 family of chaperones, particularly BAG3 and HSP90AB1, are closely related to astrocytes, indicating a possible role in degrading Aβ and tau through chaperone-mediated autophagy.
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Affiliation(s)
| | | | | | | | | | | | - Alino Martinez-Marcos
- CRIB, Neuroplasticity and Neurodegeneration Laboratory, Ciudad Real Medical School, University of Castilla-La Mancha, 13071 Ciudad Real, Spain; (M.G.-R.); (S.V.-C.); (V.A.-L.); (P.V.-A.); (I.U.-B.); (A.F.-C.)
| | - Daniel Saiz-Sanchez
- CRIB, Neuroplasticity and Neurodegeneration Laboratory, Ciudad Real Medical School, University of Castilla-La Mancha, 13071 Ciudad Real, Spain; (M.G.-R.); (S.V.-C.); (V.A.-L.); (P.V.-A.); (I.U.-B.); (A.F.-C.)
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14
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Kim S, Larrous F, Varet H, Legendre R, Feige L, Dumas G, Matsas R, Kouroupi G, Grailhe R, Bourhy H. Early Transcriptional Changes in Rabies Virus-Infected Neurons and Their Impact on Neuronal Functions. Front Microbiol 2021; 12:730892. [PMID: 34970230 PMCID: PMC8713068 DOI: 10.3389/fmicb.2021.730892] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2021] [Accepted: 10/25/2021] [Indexed: 12/24/2022] Open
Abstract
Rabies is a zoonotic disease caused by rabies virus (RABV). As rabies advances, patients develop a variety of severe neurological symptoms that inevitably lead to coma and death. Unlike other neurotropic viruses that can induce symptoms of a similar range, RABV-infected post-mortem brains do not show significant signs of inflammation nor the structural damages on neurons. This suggests that the observed neurological symptoms possibly originate from dysfunctions of neurons. However, many aspects of neuronal dysfunctions in the context of RABV infection are only partially understood, and therefore require further investigation. In this study, we used differentiated neurons to characterize the RABV-induced transcriptomic changes at the early time-points of infection. We found that the genes modulated in response to the infection are particularly involved in cell cycle, gene expression, immune response, and neuronal function-associated processes. Comparing a wild-type RABV to a mutant virus harboring altered matrix proteins, we found that the RABV matrix protein plays an important role in the early down-regulation of host genes, of which a significant number is involved in neuronal functions. The kinetics of differentially expressed genes (DEGs) are also different between the wild type and mutant virus datasets. The number of modulated genes remained constant upon wild-type RABV infection up to 24 h post-infection, but dramatically increased in the mutant condition. This result suggests that the intact viral matrix protein is important to control the size of host gene modulation. We then examined the signaling pathways previously studied in relation to the innate immune responses against RABV, and found that these pathways contribute to the changes in neuronal function-associated processes. We further examined a set of regulated genes that could impact neuronal functions collectively, and demonstrated in calcium imaging that indeed the spontaneous activity of neurons is influenced by RABV infection. Overall, our findings suggest that neuronal function-associated genes are modulated by RABV early on, potentially through the viral matrix protein-interacting signaling molecules and their downstream pathways.
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Affiliation(s)
- Seonhee Kim
- Technology Development Platform, Institut Pasteur Korea, Seongnam, South Korea
- Institut Pasteur, Université de Paris, Lyssavirus Epidemiology and Neuropathology Unit, Paris, France
- Université de Paris, Doctoral School Bio Sorbonne Paris Cité, Paris, France
| | - Florence Larrous
- Institut Pasteur, Université de Paris, Lyssavirus Epidemiology and Neuropathology Unit, Paris, France
| | - Hugo Varet
- Institut Pasteur, Université de Paris, Hub de Bioinformatique et Biostatistique, Département Biologie Computationnelle, Paris, France
- Institut Pasteur, Université de Paris, Plate-Forme Technologique Biomics, Centre de Ressources et Recherches Technologiques (C2RT), Paris, France
| | - Rachel Legendre
- Institut Pasteur, Université de Paris, Hub de Bioinformatique et Biostatistique, Département Biologie Computationnelle, Paris, France
- Institut Pasteur, Université de Paris, Plate-Forme Technologique Biomics, Centre de Ressources et Recherches Technologiques (C2RT), Paris, France
| | - Lena Feige
- Technology Development Platform, Institut Pasteur Korea, Seongnam, South Korea
- Institut Pasteur, Université de Paris, Lyssavirus Epidemiology and Neuropathology Unit, Paris, France
- Université de Paris, Doctoral School Bio Sorbonne Paris Cité, Paris, France
| | - Guillaume Dumas
- Department of Psychiatry, CHU Sainte-Justine Research Center, University of Montreal, Montreal, QC, Canada
- Mila, Quebec Artificial Intelligence Institute, University of Montreal, Montreal, QC, Canada
| | - Rebecca Matsas
- Laboratory of Cellular and Molecular Neurobiology-Stem Cells, Department of Neurobiology, Hellenic Pasteur Institute, Athens, Greece
| | - Georgia Kouroupi
- Laboratory of Cellular and Molecular Neurobiology-Stem Cells, Department of Neurobiology, Hellenic Pasteur Institute, Athens, Greece
| | - Regis Grailhe
- Technology Development Platform, Institut Pasteur Korea, Seongnam, South Korea
| | - Hervé Bourhy
- Institut Pasteur, Université de Paris, Lyssavirus Epidemiology and Neuropathology Unit, Paris, France
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15
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Banerjee M, Hatial I, Keegan BM, Blagg BSJ. Assay design and development strategies for finding Hsp90 inhibitors and their role in human diseases. Pharmacol Ther 2021; 221:107747. [PMID: 33245994 PMCID: PMC8744950 DOI: 10.1016/j.pharmthera.2020.107747] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 11/11/2020] [Accepted: 11/16/2020] [Indexed: 12/30/2022]
Abstract
Heat shock protein 90 (Hsp90) is a molecular chaperone that facilitates the maturation of its client proteins including protein kinases, transcription factors, and steroid hormone receptors which are structurally and functionally diverse. These client proteins are involved in various cellular signaling pathways, and Hsp90 is implicated in various human diseases including cancer, inflammation, and diseases associated with protein misfolding; thus making Hsp90 a promising target for drug discovery. Some of its client proteins are well-known cancer targets. Instead of targeting these client proteins individually, however, targeting Hsp90 is more practical for cancer drug development. Efforts have been invested in recognizing potential drugs for clinical use that inhibit Hsp90 activity and result in the prevention of Hsp90 client maturation and dampening of subsequent signaling cascades. Here, we discuss current assays and technologies used to find and characterize Hsp90 inhibitors that include biophysical, biochemical, cell-based assays and computational modeling. This review highlights recent discoveries that N-terminal isoform-selective compounds and inhibitors that target the Hsp90 C-terminus that may offer the potential to overcome some of the detriments observed with pan Hsp90 inhibitors. The tools and assays summarized in this review should be used to develop Hsp90-targeting drugs with high specificity, potency, and drug-like properties that may prove immensely useful in the clinic.
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Affiliation(s)
- Monimoy Banerjee
- Department of Chemistry & Biochemistry, Warren Family Research Center for Drug Discovery and Development, 305 McCourtney Hall, University of Norte Dame, Norte Dame, IN 46656, USA
| | - Ishita Hatial
- Department of Chemistry & Biochemistry, Warren Family Research Center for Drug Discovery and Development, 305 McCourtney Hall, University of Norte Dame, Norte Dame, IN 46656, USA
| | - Bradley M Keegan
- Department of Chemistry & Biochemistry, Warren Family Research Center for Drug Discovery and Development, 305 McCourtney Hall, University of Norte Dame, Norte Dame, IN 46656, USA
| | - Brian S J Blagg
- Department of Chemistry & Biochemistry, Warren Family Research Center for Drug Discovery and Development, 305 McCourtney Hall, University of Norte Dame, Norte Dame, IN 46656, USA.
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16
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Proteomic Profiling of Cerebrum Mitochondria, Myelin Sheath, and Synaptosome Revealed Mitochondrial Damage and Synaptic Impairments in Association with 3 × Tg-AD Mice Model. Cell Mol Neurobiol 2021; 42:1745-1763. [PMID: 33560469 DOI: 10.1007/s10571-021-01052-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Accepted: 01/29/2021] [Indexed: 12/23/2022]
Abstract
Alzheimer's disease (AD) is the most common age-associated dementia with complex pathological hallmarks. Mitochondrion, synaptosome, and myelin sheath appear to be vulnerable and play a key role in the pathogenesis of AD. To clarify the early mechanism associated with AD, followed by subcellular components separation, we performed iTRAQ (isobaric tags for relative and absolute quantification)-based proteomics analysis to simultaneously investigate the differentially expressed proteins (DEPs) within the mitochondria, synaptosome, and myelin sheath in the cerebrum of the 6-month-old triple transgenic AD (3 × Tg-AD) and 6-month-old wild-type (WT) mice. A large number of DEPs between the AD and WT mice were identified. Most of them are related to mitochondria and synaptic dysfunction and cytoskeletal protein change. Differential expressions of Lrpprc, Nefl, and Sirpa were verified by Western blot analysis. The results suggest that decreased energy metabolism, impaired amino acid metabolism and neurotransmitter synthesis, increase compensatory fatty acid metabolism, up-regulated cytoskeletal protein expression, and oxidative stress are the early events of AD. Among these, mitochondrial damage, synaptic dysfunction, decreased energy metabolism, and abnormal amino acid metabolism are the most significant events. The results indicate that it is feasible to separate and simultaneously perform proteomics analysis on the three subcellular components.
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Neuroprotective Effects of 2-Substituted 1, 3-Selenazole Amide Derivatives on Amyloid-Beta-Induced Toxicity in a Transgenic Caenorhabditis Elegans Model of Alzheimer's Disease. Neurotox Res 2021; 39:841-850. [PMID: 33400180 DOI: 10.1007/s12640-020-00321-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 12/01/2020] [Accepted: 12/02/2020] [Indexed: 12/18/2022]
Abstract
Alzheimer's disease is an age-related neurodegenerative disease, associated with the presence of extracellular amyloid-β (Aβ) plaques and neurofibrillary tangles. Although the pathogenesis of AD remains unclear, the characteristic feature of AD was reported to be the buildup of Aβ plaques. In this study, we extensively investigated the neuroprotective effects of 2-substituted 1,3-selenazole amide derivatives (CHF11) on Aβ1-42 transgenic Caenorhabditis elegans CL4176. Results showed that worms fed with CHF11 exhibited remarkably reduced paralysis, decreased levels of toxic Aβ oligomers and Aβ plaque deposition, as well as less ROS production in comparison with the untreated worms. The effective concentrations of CHF11 were arranged in the descending order of 100 µM > 10 µM > 1 µM. Real-time PCR analysis showed that there was no significant difference in Aβ expression between CHF11-administered group and the blank control group, suggesting that CHF11-induced reduction in toxic protein deposition may be regulated at the post-transcriptional level. In the meantime, the gene expressions of hsf-1 and its downstream target hsp-12.6 were significantly increased, indicating that CHF11 against Aβ toxicity may involve in HSF-1 signaling pathway in worms. In conclusion, CHF11 exhibits a significant protective effect against β-amyloid-induced toxicity in CL4176 by reducing β-amyloid aggregation and ROS production, which may involve in HSF-1 and downstream target HSP-12.6 pathway.
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Breijyeh Z, Karaman R. Comprehensive Review on Alzheimer's Disease: Causes and Treatment. Molecules 2020; 25:E5789. [PMID: 33302541 PMCID: PMC7764106 DOI: 10.3390/molecules25245789] [Citation(s) in RCA: 920] [Impact Index Per Article: 230.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 12/03/2020] [Accepted: 12/06/2020] [Indexed: 12/11/2022] Open
Abstract
Alzheimer's disease (AD) is a disorder that causes degeneration of the cells in the brain and it is the main cause of dementia, which is characterized by a decline in thinking and independence in personal daily activities. AD is considered a multifactorial disease: two main hypotheses were proposed as a cause for AD, cholinergic and amyloid hypotheses. Additionally, several risk factors such as increasing age, genetic factors, head injuries, vascular diseases, infections, and environmental factors play a role in the disease. Currently, there are only two classes of approved drugs to treat AD, including inhibitors to cholinesterase enzyme and antagonists to N-methyl d-aspartate (NMDA), which are effective only in treating the symptoms of AD, but do not cure or prevent the disease. Nowadays, the research is focusing on understanding AD pathology by targeting several mechanisms, such as abnormal tau protein metabolism, β-amyloid, inflammatory response, and cholinergic and free radical damage, aiming to develop successful treatments that are capable of stopping or modifying the course of AD. This review discusses currently available drugs and future theories for the development of new therapies for AD, such as disease-modifying therapeutics (DMT), chaperones, and natural compounds.
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Affiliation(s)
| | - Rafik Karaman
- Pharmaceutical Sciences Department, Faculty of Pharmacy, Al-Quds University, Jerusalem 20002, Palestine;
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Moyano P, Sanjuna J, Garcia JM, Garcia J, Frejo MT, Naval MV, Del Pino J. Paraquat Treatment Compromises the Clearance of β-Amyloid and Tau Proteins and Induces Primary Hippocampal Neuronal Cell Death through HSP70, P20S, and TFEB Disruption. Chem Res Toxicol 2020; 34:1240-1244. [PMID: 33156613 DOI: 10.1021/acs.chemrestox.0c00370] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The herbicide paraquat (PQ) induces hippocampal neuronal cell loss and cognitive dysfunction after one and repeated treatment. All the mechanisms involved in these effects are not well understood. Single and repeated PQ treatment increased Aβ and tau protein levels, through HSP70 and TFEB downregulation and proteasome 20S inhibition, producing cell death in primary hippocampal neurons associated with cognitive decline. Our results reveal the mechanisms through which PQ could induce the accumulation of abnormal proteins and neurodegeneration that could originate the cognitive decline produced by it and could help managing its degenerative effects.
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Affiliation(s)
- Paula Moyano
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040 Madrid, Spain
| | - Javier Sanjuna
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040 Madrid, Spain
| | - José Manuel Garcia
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040 Madrid, Spain
| | - Jimena Garcia
- Department of Pharmacology, Health Sciences School, Alfonso X University, 28691 Madrid, Spain
| | - María Teresa Frejo
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040 Madrid, Spain
| | - María Victoria Naval
- Department of Pharmacology, Pharmacognosy and Botany, Pharmacy School, Complutense University of Madrid, 28041 Madrid, Spain
| | - Javier Del Pino
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040 Madrid, Spain
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Are Heat Shock Proteins an Important Link between Type 2 Diabetes and Alzheimer Disease? Int J Mol Sci 2020; 21:ijms21218204. [PMID: 33147803 PMCID: PMC7662599 DOI: 10.3390/ijms21218204] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 10/26/2020] [Accepted: 10/27/2020] [Indexed: 12/17/2022] Open
Abstract
Type 2 diabetes (T2D) and Alzheimer’s disease (AD) are growing in prevalence worldwide. The development of T2D increases the risk of AD disease, while AD patients can show glucose imbalance due to an increased insulin resistance. T2D and AD share similar pathological features and underlying mechanisms, including the deposition of amyloidogenic peptides in pancreatic islets (i.e., islet amyloid polypeptide; IAPP) and brain (β-Amyloid; Aβ). Both IAPP and Aβ can undergo misfolding and aggregation and accumulate in the extracellular space of their respective tissues of origin. As a main response to protein misfolding, there is evidence of the role of heat shock proteins (HSPs) in moderating T2D and AD. HSPs play a pivotal role in cell homeostasis by providing cytoprotection during acute and chronic metabolic stresses. In T2D and AD, intracellular HSP (iHSP) levels are reduced, potentially due to the ability of the cell to export HSPs to the extracellular space (eHSP). The increase in eHSPs can contribute to oxidative damage and is associated with various pro-inflammatory pathways in T2D and AD. Here, we review the role of HSP in moderating T2D and AD, as well as propose that these chaperone proteins are an important link in the relationship between T2D and AD.
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Njemini R, Verhaeghen K, Mets T, Weets I, Bautmans I. A Novel Bead-Based Immunoassay for the Measurement of Heat Shock Proteins 27 and 70. Pathogens 2020; 9:pathogens9110863. [PMID: 33105839 PMCID: PMC7690633 DOI: 10.3390/pathogens9110863] [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: 09/15/2020] [Revised: 10/20/2020] [Accepted: 10/20/2020] [Indexed: 11/17/2022] Open
Abstract
Heat shock proteins (HSPs) play an essential role in protecting proteins from denaturation and are implicated in diverse pathophysiological conditions like cardiovascular diseases, cancer, infections, and neurodegenerative diseases. Scientific evidence indicates that if HSP expression falls below a certain level, cells become sensitive to oxidative damage that accelerates protein aggregation diseases. On the other hand, persistently enhanced levels of HSP can lead to inflammatory and oncogenic changes. To date, although techniques for measuring HSPs exist, these assays are limited for use in specific sample types or are time consuming. Therefore, in the present study, we developed a single-molecule assay digital ELISA technology (Single Molecule Array—SIMOA) for the measurement of HSPs, which is time effective and can be adapted to measure multiple analytes simultaneously from a single sample. This technique combines two distinct HSP-specific antibodies that recognize different epitopes on the HSP molecule. A recombinant human HSP protein was used as the standard material. The assay performance characteristics were evaluated by repeated testing of samples spiked with HSP peptide at different levels. The limit of detection was 0.16 and 2 ng/mL for HSP27 and HSP70, respectively. The inter- and intra-assay coefficients of variation were less than 20% in all tested conditions for both HSPs. The HSP levels assayed after serial dilution of samples portrayed dilutional linearity (on average 109%, R2 = 0.998, p < 0.001, for HSP27 and 93%, R2 = 0.994, p < 0.001, for HSP70). A high linear response was also demonstrated with admixtures of plasma exhibiting relatively very low and high levels of HSP70 (R2 = 0.982, p < 0.001). Analyte spike recovery varied between 57% and 95%. Moreover, the relative HSP values obtained using Western blotting correlated significantly with HSP values obtained with the newly developed SIMOA assay (r = 0.815, p < 0.001 and r = 0.895, p < 0.001 for HSP70 and HSP27, respectively), indicating that our method is reliable. In conclusion, the assay demonstrates analytical performance for the accurate assessment of HSPs in various sample types and offers the advantage of a huge range of dilution linearity, indicating that samples with HSP concentration highly above the calibration range can be diluted into range without affecting the precision of the assay.
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Affiliation(s)
- Rose Njemini
- Frailty in Ageing Research Group, Vrije Universiteit Brussel, Laarbeeklaan 103, B-1090 Brussels, Belgium;
- Gerontology Department, Vrije Universiteit Brussel, Laarbeeklaan 103, B-1090 Brussels, Belgium
- Correspondence: ; Tel.: +32-2-477-42-41; Fax: +32-2-477-63-64
| | - Katrijn Verhaeghen
- Laboratory of Clinical Chemistry and Radiology, Universitair Ziekenhuis Brussel, Laarbeeklaan 101, B-1090 Brussels, Belgium; (K.V.); (I.W.)
| | - Tony Mets
- Frailty in Ageing Research Group, Vrije Universiteit Brussel, Laarbeeklaan 103, B-1090 Brussels, Belgium;
- Gerontology Department, Vrije Universiteit Brussel, Laarbeeklaan 103, B-1090 Brussels, Belgium
- Department of Geriatric Medicine, Universitair Ziekenhuis Brussel, Laarbeeklaan 101, B-1090 Brussels, Belgium;
| | - Ilse Weets
- Laboratory of Clinical Chemistry and Radiology, Universitair Ziekenhuis Brussel, Laarbeeklaan 101, B-1090 Brussels, Belgium; (K.V.); (I.W.)
| | - Ivan Bautmans
- Frailty in Ageing Research Group, Vrije Universiteit Brussel, Laarbeeklaan 103, B-1090 Brussels, Belgium;
- Gerontology Department, Vrije Universiteit Brussel, Laarbeeklaan 103, B-1090 Brussels, Belgium
- Department of Geriatric Medicine, Universitair Ziekenhuis Brussel, Laarbeeklaan 101, B-1090 Brussels, Belgium;
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Moyano P, García JM, García J, Anadon MJ, Naval MV, Frejo MT, Sola E, Pelayo A, Pino JD. Manganese increases Aβ and Tau protein levels through proteasome 20S and heat shock proteins 90 and 70 alteration, leading to SN56 cholinergic cell death following single and repeated treatment. ECOTOXICOLOGY AND ENVIRONMENTAL SAFETY 2020; 203:110975. [PMID: 32678756 DOI: 10.1016/j.ecoenv.2020.110975] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2020] [Revised: 06/10/2020] [Accepted: 06/29/2020] [Indexed: 06/11/2023]
Abstract
Manganese (Mn) produces cholinergic neuronal loss in basal forebrain (BF) region that was related to cognitive dysfunction induced after single and repeated Mn treatment. All processes that generate cholinergic neuronal loss in BF remain to be understood. Mn exposure may produce the reduction of BF cholinergic neurons by increasing amyloid beta (Aβ) and phosphorylated Tau (pTau) protein levels, altering heat shock proteins' (HSPs) expression, disrupting proteasome P20S activity and generating oxidative stress. These mechanisms, described to be altered by Mn in regions different than BF, could lead to the memory and learning process alteration produced after Mn exposure. The research performed shows that single and repeated Mn treatment of SN56 cholinergic neurons from BF induces P20S inhibition, increases Aβ and pTau protein levels, produces HSP90 and HSP70 proteins expression alteration, and oxidative stress generation, being the last two effects mediated by NRF2 pathway alteration. The increment of Aβ and pTau protein levels was mediated by HSPs and proteasome dysfunction. All these mechanisms mediated the cell decline observed after Mn treatment. Our results are relevant because they may assist to reveal the processes leading to the neurotoxicity and cognitive alterations observed after Mn exposure.
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Affiliation(s)
- Paula Moyano
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040, Madrid, Spain
| | - José Manuel García
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040, Madrid, Spain
| | - Jimena García
- Department of Pharmacolgy, Health Sciences School, Alfonso X University, 28691, Madrid, Spain
| | - María José Anadon
- Department of Legal Medicine, Psychiatry and Pathology, Medicine School, Complutense University of Madrid, 28041, Madrid, Spain
| | - María Victoria Naval
- Department of Pharmacology, Pharmacognosy and Botany, Pharmacy School, Complutense University of Madrid, 28040, Madrid, Spain
| | - María Teresa Frejo
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040, Madrid, Spain
| | - Emma Sola
- Department of Legal Medicine, Psychiatry and Pathology, Medicine School, Complutense University of Madrid, 28041, Madrid, Spain
| | - Adela Pelayo
- Department of Legal Medicine, Psychiatry and Pathology, Medicine School, Complutense University of Madrid, 28041, Madrid, Spain
| | - Javier Del Pino
- Department of Pharmacology and Toxicology, Veterinary School, Complutense University of Madrid, 28040, Madrid, Spain.
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23
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Al Mamun A, Uddin MS, Kabir MT, Khanum S, Sarwar MS, Mathew B, Rauf A, Ahmed M, Ashraf GM. Exploring the Promise of Targeting Ubiquitin-Proteasome System to Combat Alzheimer’s Disease. Neurotox Res 2020; 38:8-17. [DOI: 10.1007/s12640-020-00185-1] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 02/15/2020] [Accepted: 02/18/2020] [Indexed: 12/13/2022]
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24
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Battaglia C, Venturin M, Sojic A, Jesuthasan N, Orro A, Spinelli R, Musicco M, De Bellis G, Adorni F. Candidate Genes and MiRNAs Linked to the Inverse Relationship Between Cancer and Alzheimer's Disease: Insights From Data Mining and Enrichment Analysis. Front Genet 2019; 10:846. [PMID: 31608105 PMCID: PMC6771301 DOI: 10.3389/fgene.2019.00846] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2019] [Accepted: 08/14/2019] [Indexed: 12/22/2022] Open
Abstract
The incidence of cancer and Alzheimer’s disease (AD) increases exponentially with age. A growing body of epidemiological evidence and molecular investigations inspired the hypothesis of an inverse relationship between these two pathologies. It has been proposed that the two diseases might utilize the same proteins and pathways that are, however, modulated differently and sometimes in opposite directions. Investigation of the common processes underlying these diseases may enhance the understanding of their pathogenesis and may also guide novel therapeutic strategies. Starting from a text-mining approach, our in silico study integrated the dispersed biological evidence by combining data mining, gene set enrichment, and protein-protein interaction (PPI) analyses while searching for common biological hallmarks linked to AD and cancer. We retrieved 138 genes (ALZCAN gene set), computed a significant number of enriched gene ontology clusters, and identified four PPI modules. The investigation confirmed the relevance of autophagy, ubiquitin proteasome system, and cell death as common biological hallmarks shared by cancer and AD. Then, from a closer investigation of the PPI modules and of the miRNAs enrichment data, several genes (SQSTM1, UCHL1, STUB1, BECN1, CDKN2A, TP53, EGFR, GSK3B, and HSPA9) and miRNAs (miR-146a-5p, MiR-34a-5p, miR-21-5p, miR-9-5p, and miR-16-5p) emerged as promising candidates. The integrative approach uncovered novel miRNA-gene networks (e.g., miR-146 and miR-34 regulating p62 and Beclin1 in autophagy) that might give new insights into the complex regulatory mechanisms of gene expression in AD and cancer.
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Affiliation(s)
- Cristina Battaglia
- Department of Medical Biotechnology and Translational Medicine (BIOMETRA), University of Milan, Segrate, Italy.,Department of Biomedical Sciences, Institute of Biomedical Technologies-National Research Council (ITB-CNR), Segrate, Italy
| | - Marco Venturin
- Department of Medical Biotechnology and Translational Medicine (BIOMETRA), University of Milan, Segrate, Italy
| | - Aleksandra Sojic
- Department of Biomedical Sciences, Institute of Biomedical Technologies-National Research Council (ITB-CNR), Segrate, Italy
| | - Nithiya Jesuthasan
- Department of Biomedical Sciences, Institute of Biomedical Technologies-National Research Council (ITB-CNR), Segrate, Italy
| | - Alessandro Orro
- Department of Biomedical Sciences, Institute of Biomedical Technologies-National Research Council (ITB-CNR), Segrate, Italy
| | - Roberta Spinelli
- Istituto Istruzione Superiore Statale IRIS Versari, Cesano Maderno, Italy
| | - Massimo Musicco
- Department of Biomedical Sciences, Institute of Biomedical Technologies-National Research Council (ITB-CNR), Segrate, Italy
| | - Gianluca De Bellis
- Department of Biomedical Sciences, Institute of Biomedical Technologies-National Research Council (ITB-CNR), Segrate, Italy
| | - Fulvio Adorni
- Department of Biomedical Sciences, Institute of Biomedical Technologies-National Research Council (ITB-CNR), Segrate, Italy
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25
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Deolankar SC, Patil AH, Koyangana SG, Subbannayya Y, Prasad TSK, Modi PK. Dissecting Alzheimer's Disease Molecular Substrates by Proteomics and Discovery of Novel Post-translational Modifications. ACTA ACUST UNITED AC 2019; 23:350-361. [DOI: 10.1089/omi.2019.0085] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Sayali Chandrashekhar Deolankar
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, India
| | - Arun H. Patil
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, India
| | - Shashanka G. Koyangana
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, India
| | - Yashwanth Subbannayya
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, India
| | | | - Prashant Kumar Modi
- Center for Systems Biology and Molecular Medicine, Yenepoya Research Centre, Yenepoya (Deemed to be University), Mangalore, India
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26
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Watanabe Y, Hirao Y, Kasuga K, Tokutake T, Semizu Y, Kitamura K, Ikeuchi T, Nakamura K, Yamamoto T. Molecular Network Analysis of the Urinary Proteome of Alzheimer's Disease Patients. Dement Geriatr Cogn Dis Extra 2019; 9:53-65. [PMID: 31043964 PMCID: PMC6477484 DOI: 10.1159/000496100] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2018] [Accepted: 12/07/2018] [Indexed: 12/27/2022] Open
Abstract
Background/Aims The identification of predictive biomarkers for Alzheimer's disease (AD) from urine would aid in screening for the disease, but information about biological and pathophysiological changes in the urine of AD patients is limited. This study aimed to explore the comprehensive profile and molecular network relations of urinary proteins in AD patients. Methods Urine samples collected from 18 AD patients and 18 age- and sex-matched cognitively normal controls were analyzed by mass spectrometry and semiquantified with the normalized spectral index method. Bioinformatics analyses were performed on proteins which significantly increased by more than 2-fold or decreased by less than 0.5-fold compared to the control (p < 0.05) using DAVID bioinformatics resources and KeyMolnet software. Results The levels of 109 proteins significantly differed between AD patients and controls. Among these, annotation clusters related to lysosomes, complement activation, and gluconeogenesis were significantly enriched. The molecular relation networks derived from these proteins were mainly associated with pathways of lipoprotein metabolism, heat shock protein 90 signaling, matrix metalloproteinase signaling, and redox regulation by thioredoxin. Conclusion Our findings suggest that changes in the urinary proteome of AD patients reflect systemic changes related to AD pathophysiology.
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Affiliation(s)
- Yumi Watanabe
- Division of Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | | | - Kensaku Kasuga
- Department of Molecular Genetics, Brain Research Institute, Niigata University, Niigata, Japan
| | - Takayoshi Tokutake
- Department of Neurology, Brain Research Institute, Niigata University, Niigata, Japan
| | - Yuka Semizu
- Division of Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Kaori Kitamura
- Division of Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
| | - Takeshi Ikeuchi
- Department of Molecular Genetics, Brain Research Institute, Niigata University, Niigata, Japan
| | - Kazutoshi Nakamura
- Division of Preventive Medicine, Niigata University Graduate School of Medical and Dental Sciences, Niigata, Japan
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27
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Derf A, Verekar SA, Jain SK, Deshmukh SK, Bharate SB, Chaudhuri B. Radicicol rescues yeast cell death triggered by expression of human α-synuclein and its A53T mutant, but not by human βA4 peptide and proapoptotic protein bax. Bioorg Chem 2019; 85:152-158. [PMID: 30612081 DOI: 10.1016/j.bioorg.2018.12.033] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2018] [Revised: 12/18/2018] [Accepted: 12/24/2018] [Indexed: 11/24/2022]
Abstract
Aggregation/misfolding of α-synuclein and βA4 proteins cause neuronal cell death (NCD) associated with Parkinson's and Alzheimer's disease. It has been suggested that a heat shock protein-90 (Hsp90) inhibitor can prevent NCD by activating the heat shock transcription factor-1 which, in turn, upregulates molecular chaperones such as Hsp70 that targets aggregated/misfolded proteins for refolding/degradation. We have isolated radicicol, an Hsp90 inhibitor, from a fungus occurring in the crevices of marble rocks of Central India. Radicicol, which was found to be a strong antioxidant, was tested for its ability to rescue yeast cells from death induced by expression of wild-type α-synuclein, its more toxic A53T mutant, and βA4. It effectively overcomes wild-type/mutant α-synuclein mediated yeast cell death, concomitantly diminishes ROS levels, reverses mitochondrial dysfunction and prevents nuclear DNA-fragmentation, a hallmark of apoptosis. Surprisingly however, radicicol is unable to rescue yeast cells from death triggered by expression of secreted βA4. Moreover, although radicicol acts as an antioxidant it fails to prevent yeast cell death inflicted by the proapoptotic protein, Bax. Our results indicate that radicicol specifically targets aggregated/misfolded α-synuclein's toxicity and opens up the possibility of using multiple yeast assays to screen natural product libraries for compounds that would unambiguously target α-synuclein aggregation/misfolding.
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Affiliation(s)
- Asma Derf
- Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK
| | - Shilpa A Verekar
- Piramal Life Sciences Limited, Goregaon (East), Mumbai 400 063, India
| | - Shreyans K Jain
- CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India
| | - Sunil K Deshmukh
- Piramal Life Sciences Limited, Goregaon (East), Mumbai 400 063, India
| | - Sandip B Bharate
- CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu 180001, India.
| | - Bhabatosh Chaudhuri
- Leicester School of Pharmacy, De Montfort University, Leicester LE1 9BH, UK.
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28
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He GL, Luo Z, Shen TT, Yang J, Li P, Luo X, Yang XS. Inhibition of HSP90β by ganetespib blocks the microglial signalling of evoked pro-inflammatory responses to heat shock. Int J Biochem Cell Biol 2019; 106:35-45. [PMID: 30448425 DOI: 10.1016/j.biocel.2018.11.003] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2018] [Revised: 11/02/2018] [Accepted: 11/06/2018] [Indexed: 12/16/2022]
Abstract
Although microglial reaction to heat shock is considered to be protective, heat shock is still a potential hazard caused by high temperatures. Recent studies indicate that the inhibition of the 90-kDa heat shock protein (HSP90) increasing the protective heat shock response and suppressing inflammatory signalling pathways in several diseases. Nevertheless, the effects of heat shock on microglial pro-inflammatory responses are not completely identical. Here, we aim to investigate the effect of the HSP90 inhibitor ganetespib on microglial pro-inflammatory responses following heat shock. HSP90 isoforms were determined by transfecting N9 microglial cells (N9 cells) with enzymatically prepared siRNA (esiRNAs). We found that heat shock significantly increased the secretion of tumour necrosis factor alpha (TNF-α), interleukin (IL)-1β, IL-6 and nitric oxide (NO), and the phosphorylation of extracellular signal-regulated kinase (ERK), Janus-activated kinase 2 (JAK2), signal transducer and activator of transcription 3 (STAT3), nuclear factor of kappa light polypeptide gene enhancer in B-cells inhibitor alpha (IκB-α) and p65 nuclear factor kappa-light-chain-enhancer of activated B cells (p65 NF-κB) in N9 cells. These increases, except for phospho-p65, were attenuated efficiently in a dose-dependent manner by ganetespib pretreatment. Furthermore, the suppression of heat shock-evoked cytokines and NO production, and the phosphorylation of ERK, JAK2 and STAT3 in cytosols and/or nuclei were also observed by administering esiRNA HSP90β, but not HSP90α, in heat shock-treated N9 cells. Taken together, our findings demonstrate that the HSP90 inhibitor ganetespib blocks pro-inflammatory responses in heat shock-treated N9 cells via a signalling mechanism involving HSP90β and STAT3.
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Affiliation(s)
- Gen-Lin He
- Department of Tropical Medicine, College of Military Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, People's Republic of China
| | - Zhen Luo
- Department of Tropical Medicine, College of Military Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, People's Republic of China
| | - Ting-Ting Shen
- Department of Tropical Medicine, College of Military Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, People's Republic of China
| | - Ju Yang
- Department of Tropical Medicine, College of Military Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, People's Republic of China
| | - Ping Li
- Department of Tropical Medicine, College of Military Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, People's Republic of China
| | - Xue Luo
- Department of Tropical Medicine, College of Military Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, People's Republic of China
| | - Xue-Sen Yang
- Department of Tropical Medicine, College of Military Preventive Medicine, Army Medical University (Third Military Medical University), Chongqing 400038, People's Republic of China.
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29
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Yu X, Li Y, Zou Y, Zheng Y, He Z, Liu Z, Xie W, Wu H. Glutaminyl cyclase inhibitor contributes to the regulation of HSP70, HSP90, actin, and ribosome on gene and protein levels in vitro. J Cell Biochem 2018; 120:9460-9471. [PMID: 30582198 DOI: 10.1002/jcb.28222] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2018] [Accepted: 11/15/2018] [Indexed: 11/11/2022]
Abstract
Because of the crucial roles of upregulated glutaminyl cyclase (QC) in the initiation and development of Alzheimer's disease (AD), QC inhibitors are supposed as disease-modifying agents for the treatment of AD. And reported compounds encourage this hypothesis greatly based on the remarkable anti-AD effects in vivo. To illustrate the mechanism in detail, the actions of a selected QC inhibitor (23) were assessed firstly in a cell system here. It was demonstrated that QC activities and the generation of pyroglutamate-modified β-amyloids in PC12 cells were both inhibited obviously after the treatment of 23. A total of 13 and 15 genes were up- and downregulated significantly in treated cells by RNA-sequencing analysis. Quantitative real-time polymerase chain reaction, enzyme-linked immunosorbent assay, WB, and immunofluorescence analysis supported the effects of 23 on the transcriptome of PC12 cells consequently. The expressions of chaperones, heat shock proteins (HSP) 70, and 90, were upreglutated, while gene expression of actin and the level of encoded protein were reduced significantly in PC12 cells with the treatment. Furthermore, the regulations of ribosome were observed after the treatment. These results indicate the potency of 23 to improve the translation, expression and folding regulation of proteins and affect the multivalent cross-linking of cytoskeletal protein and other proteins subsequently in the cell system and might contribute to the understanding of the mechanism of QC inhibitor as potential anti-AD agents.
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Affiliation(s)
- Xi Yu
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen, China.,College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Yue Li
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen, China
| | - Yongdong Zou
- College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Yizhi Zheng
- College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
| | - Zhendan He
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen, China
| | - Zhigang Liu
- School of Medicine, Shenzhen University, Shenzhen, China
| | - Wenlin Xie
- School of Chemistry and Chemical Engineering, Hunan University of Science and Technology, Xiangtan, China
| | - Haiqiang Wu
- School of Pharmaceutical Sciences, Health Science Center, Shenzhen University, Shenzhen, China.,College of Life Sciences and Oceanography, Shenzhen University, Shenzhen, China
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30
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Moyano P, García JM, Lobo M, Anadón MJ, Sola E, Pelayo A, García J, Frejo MT, Pino JD. Cadmium alters heat shock protein pathways in SN56 cholinergic neurons, leading to Aβ and phosphorylated Tau protein generation and cell death. Food Chem Toxicol 2018; 121:297-308. [PMID: 30213552 DOI: 10.1016/j.fct.2018.09.016] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Revised: 08/21/2018] [Accepted: 09/10/2018] [Indexed: 11/28/2022]
Abstract
Cadmium, a neurotoxic environmental compound, produces cognitive disorders, although the mechanism remains unknown. Cadmium induces a more pronounced cell death on cholinergic neurons from basal forebrain (BF), mediated, in part, by increase in Aβ and total and phosphorylated Tau protein levels, which may explain cadmium effects on learning and memory processes. Cadmium downregulates the expression of heat shock proteins (HSPs) HSP 90, HSP70 and HSP27, and of HSF1, the master regulator of the HSP pathway. HSPs proteins reduce the production of Aβ and phosphorylated Tau proteins and avoid cell death pathways induction. Thus, we hypothesized that cadmium induced the production of Aβ and Tau proteins by HSP pathway disruption through HSF1 expression alteration, leading to BF cholinergic neurons cell death. Our results show that cadmium downregulates HSF1, leading to HSP90, HSP70 and HSP27 gene expression downregulation in BF SN56 cholinergic neurons. In addition, cadmium induced Aβ and total and phosphorylated Tau proteins generation, mediated partially by HSP90, HSP70 and HSP27 disruption, leading to cell death. These results provide new understanding of the mechanisms contributing to cadmium harmful effects on cholinergic neurons.
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Affiliation(s)
- Paula Moyano
- Department of Toxicology and Legal Medicine, Medical School, Complutense University of Madrid, 28041, Madrid, Spain
| | - José Manuel García
- Department of Toxicology and Legal Medicine, Medical School, Complutense University of Madrid, 28041, Madrid, Spain
| | - Margarita Lobo
- Department of Toxicology and Pharmacology, Veterinary School, Complutense University of Madrid, 28040, Madrid, Spain
| | - María José Anadón
- Department of Toxicology and Legal Medicine, Medical School, Complutense University of Madrid, 28041, Madrid, Spain
| | - Emma Sola
- Department of Pathological Anatomy, Medical School, Complutense University of Madrid, 28041, Madrid, Spain
| | - Adela Pelayo
- Department of Pathological Anatomy, Medical School, Complutense University of Madrid, 28041, Madrid, Spain
| | - Jimena García
- Department of Toxicology and Legal Medicine, Medical School, Complutense University of Madrid, 28041, Madrid, Spain
| | - María Teresa Frejo
- Department of Toxicology and Pharmacology, Veterinary School, Complutense University of Madrid, 28040, Madrid, Spain
| | - Javier Del Pino
- Department of Toxicology and Pharmacology, Veterinary School, Complutense University of Madrid, 28040, Madrid, Spain.
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31
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Heat Shock Proteins in Alzheimer's Disease: Role and Targeting. Int J Mol Sci 2018; 19:ijms19092603. [PMID: 30200516 PMCID: PMC6163571 DOI: 10.3390/ijms19092603] [Citation(s) in RCA: 89] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2018] [Revised: 08/28/2018] [Accepted: 08/30/2018] [Indexed: 12/12/2022] Open
Abstract
Among diseases whose cure is still far from being discovered, Alzheimer’s disease (AD) has been recognized as a crucial medical and social problem. A major issue in AD research is represented by the complexity of involved biochemical pathways, including the nature of protein misfolding, which results in the production of toxic species. Considering the involvement of (mis)folding processes in AD aetiology, targeting molecular chaperones represents a promising therapeutic perspective. This review analyses the connection between AD and molecular chaperones, with particular attention toward the most important heat shock proteins (HSPs) as representative components of the human chaperome: Hsp60, Hsp70 and Hsp90. The role of these proteins in AD is highlighted from a biological point of view. Pharmacological targeting of such HSPs with inhibitors or regulators is also discussed.
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32
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Ramos E, Romero A, Marco-Contelles J, López-Muñoz F, Del Pino J. Modulation of Heat Shock Response Proteins by ASS234, Targeted for Neurodegenerative Diseases Therapy. Chem Res Toxicol 2018; 31:839-842. [PMID: 30133257 DOI: 10.1021/acs.chemrestox.8b00192] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
ASS234 is a new multitarget molecule with multiple neuroprotective actions that significantly elevate mRNA levels of NRF2 and HSF1 transcriptional factors and of HSP105, HSP90AB1, HSPA1A, HSPA1B, HSPA5, HSPA8, HSPA9, HSP60, DNAJA1, DNAJB1, DNAJB6, DNAJC3, DNAJC5, DNAJC6, HSPB1, HSPB2, HSPB5, HSPB6, HSPB8, and HSP10 heat shock proteins (HSPs) family members in SH-SY5Y cells. This NRF2 and HSF1 overexpression may explain the upregulation of both the antioxidant enzymes previously described and the members of the HSPs family observed. These findings suggest that ASS234 is a potent HSPs inductor, which might be beneficial for preventing protein misfolding aggregation and cell death in Alzheimer's disease and other neurodegenerative diseases.
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Affiliation(s)
- Eva Ramos
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine , Complutense University of Madrid , 28040 Madrid , Spain
| | - Alejandro Romero
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine , Complutense University of Madrid , 28040 Madrid , Spain
| | - José Marco-Contelles
- Laboratory of Medicinal Chemistry (IQOG, CSIC) , C/Juan de la Cierva 3 , 28006 Madrid , Spain
| | - Francisco López-Muñoz
- School of Health , Camilo José Cela University , Villanueva de la Cañada, 28692 Madrid , Spain.,Neuropsychopharmacology Unit , "Hospital 12 de Octubre" Research Institute , 28041 Madrid , Spain
| | - Javier Del Pino
- Department of Pharmacology and Toxicology, Faculty of Veterinary Medicine , Complutense University of Madrid , 28040 Madrid , Spain
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33
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Luu YN, Macreadie I. Development of Convenient System for Detecting Yeast Cell Stress, Including That of Amyloid Beta. Int J Mol Sci 2018; 19:E2136. [PMID: 30041424 PMCID: PMC6073510 DOI: 10.3390/ijms19072136] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2018] [Revised: 07/16/2018] [Accepted: 07/21/2018] [Indexed: 01/09/2023] Open
Abstract
(1) Background: As a model eukaryote, the study of stress responses in yeast can be employed for studying human health and disease, and the effects of various drugs that may impact health. "Reporting" of stress in yeast has frequently utilised enzymes like β-galactosidase that require laborious assays for quantitative results. The use of a stress reporter that can be measured quantitatively and with high sensitivity in living cells in a multi-well plate reader is a more desirable approach; (2) Methods: A multi-copy yeast-Escherichia coli shuttle plasmid containing the HSP42 promoter upstream of the mCherry reporter, along with the URA3 selectable marker was constructed and tested; (3) Results: Under certain stress conditions inducing the heat shock response, transformants containing the plasmid produced red fluorescence that could be readily quantitated in a microtitre plate reader. Stresses that produced red fluorescence included exposure to heat shock, copper ions, oligomeric amyloid beta (Aβ42) and fibrillar Aβ42; (4) Conclusions: Being able to conveniently and quantitatively monitor stresses in whole live populations of yeast offers great opportunities to screen compounds and conditions that cause stress, as well as conditions that alleviate stress. While freshly prepared oligomeric amyloid beta has previously been shown to exhibit high toxicity, fibrils have been generally considered to be non-toxic or of low toxicity. In this study, fibrillar amyloid beta has also been shown to induce stress.
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Affiliation(s)
- Yen Nhi Luu
- School of Science, RMIT University, Bundoora, VIC 3083, Australia.
| | - Ian Macreadie
- School of Science, RMIT University, Bundoora, VIC 3083, Australia.
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Tramutola A, Triani F, Di Domenico F, Barone E, Cai J, Klein JB, Perluigi M, Butterfield DA. Poly-ubiquitin profile in Alzheimer disease brain. Neurobiol Dis 2018; 118:129-141. [PMID: 30003951 DOI: 10.1016/j.nbd.2018.07.006] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2017] [Revised: 06/23/2018] [Accepted: 07/04/2018] [Indexed: 10/28/2022] Open
Abstract
Alzheimer disease (AD) is a neurodegenerative disorder characterized by progressive loss of memory, reasoning and other cognitive functions. Pathologically, patients with AD are characterized by deposition of senile plaques (SPs), formed by β-amyloid (Aβ), and neurofibrillary tangles (NTFs) that consist of aggregated hyperphosphorylated tau protein. The accumulation of insoluble protein aggregates in AD brain can be associated with an impairment of degradative systems. This current study investigated if the disturbance of protein polyubiquitination is associated with AD neurodegeneration. By using a novel proteomic approach, we found that 13 brain proteins are increasingly polyubiquitinated in AD human brain compared to age-matched controls. Moreover, the majority of the identified proteins were previously found to be oxidized in our prior proteomics, and these proteins are mainly involved in protein quality control and glucose metabolism. This is the first study showing alteration of the poly-ubiquitin profile in AD brain compared with healthy controls. Understanding the onset of the altered ubiquitin profile in AD brain may contribute to identification of key molecular regulators of cognitive decline. In AD, deficits of the proteolytic system may further exacerbate the accumulation of oxidized/misfolded/polyubiquitinated proteins that are not efficiently degraded and may become harmful to neurons and contribute to AD neuropathology and cognitive decline.
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Affiliation(s)
| | - Francesca Triani
- Department of Biochemical Sciences, Sapienza University of Rome, Italy
| | - Fabio Di Domenico
- Department of Biochemical Sciences, Sapienza University of Rome, Italy
| | - Eugenio Barone
- Department of Biochemical Sciences, Sapienza University of Rome, Italy
| | - Jian Cai
- Department of Nephrology and Proteomics Center, University of Louisville, Louisville, KY, USA
| | - Jon B Klein
- Department of Nephrology and Proteomics Center, University of Louisville, Louisville, KY, USA
| | - Marzia Perluigi
- Department of Biochemical Sciences, Sapienza University of Rome, Italy
| | - D Allan Butterfield
- Sanders-Brown Center on Aging, University of Kentucky, Lexington, KY, USA; Department of Chemistry, University of Kentucky, Lexington, KY, USA.
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Kudryavtseva AV, Krasnov GS, Dmitriev AA, Alekseev BY, Kardymon OL, Sadritdinova AF, Fedorova MS, Pokrovsky AV, Melnikova NV, Kaprin AD, Moskalev AA, Snezhkina AV. Mitochondrial dysfunction and oxidative stress in aging and cancer. Oncotarget 2018; 7:44879-44905. [PMID: 27270647 PMCID: PMC5216692 DOI: 10.18632/oncotarget.9821] [Citation(s) in RCA: 345] [Impact Index Per Article: 57.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Accepted: 05/28/2016] [Indexed: 12/16/2022] Open
Abstract
Aging and cancer are the most important issues to research. The population in the world is growing older, and the incidence of cancer increases with age. There is no doubt about the linkage between aging and cancer. However, the molecular mechanisms underlying this association are still unknown. Several lines of evidence suggest that the oxidative stress as a cause and/or consequence of the mitochondrial dysfunction is one of the main drivers of these processes. Increasing ROS levels and products of the oxidative stress, which occur in aging and age-related disorders, were also found in cancer. This review focuses on the similarities between ageing-associated and cancer-associated oxidative stress and mitochondrial dysfunction as their common phenotype.
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Affiliation(s)
- Anna V Kudryavtseva
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.,National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - George S Krasnov
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Alexey A Dmitriev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Boris Y Alekseev
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Olga L Kardymon
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Asiya F Sadritdinova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.,National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Maria S Fedorova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | | | - Nataliya V Melnikova
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia
| | - Andrey D Kaprin
- National Medical Research Radiological Center, Ministry of Health of the Russian Federation, Moscow, Russia
| | - Alexey A Moskalev
- Engelhardt Institute of Molecular Biology, Russian Academy of Sciences, Moscow, Russia.,Moscow Institute of Physics and Technology, Dolgoprudny, Russia
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36
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Theocharopoulou G, Bobori C, Vlamos P. Formal Models of Biological Systems. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 988:325-338. [PMID: 28971411 DOI: 10.1007/978-3-319-56246-9_27] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Recent biomedical research studies are focused in the mechanisms by which misfolded proteins lead to the generation of oxidative stress in the form of reactive oxygen species (ROS), often implicated in neurodegenerative diseases and aging. Moreover, biological experiments are designed to investigate how proteostasis depends on the balance between the folding capacity of chaperone networks and the continuous flux of potentially nonnative proteins. Nevertheless, biological experimental methods can examine the protein folding quality control mechanisms only in individual cells, but not in a multicellular level. Formal models offer a dynamic form of modelling, which allows to explore various parameter values in an integrated time-dependent system. This paper aims to present a formal approach of a mathematical descriptive model using as example a representation of a known molecular chaperone system and its relation to diseases associated to protein misfolding and neurodegeneration.
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Affiliation(s)
| | | | - Panayiotis Vlamos
- Department of Informatics, Bioinformatics and Human Electrophysiology Laboratory, Ionian University, Corfu, Greece
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Abstract
Multiple sclerosis (MS) is an immune-mediated and neurodegenerative central nervous system disease, mostly affect myelin sheaths. The MS pathogenesis is still under debate. It is influenced by genetic, environment factors. Heat shock proteins (HSPs) are highly conserved proteins seen in all organisms. Not only heat stress but also under many stress conditions they are overexpressed. Their roles in MS pathogenesis are highly correlated with their location (intracellular or extracellular). In this chapter, we will discuss the role of HSP in MS pathogenesis.
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38
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Libro R, Diomede F, Scionti D, Piattelli A, Grassi G, Pollastro F, Bramanti P, Mazzon E, Trubiani O. Cannabidiol Modulates the Expression of Alzheimer's Disease-Related Genes in Mesenchymal Stem Cells. Int J Mol Sci 2016; 18:E26. [PMID: 28025562 PMCID: PMC5297661 DOI: 10.3390/ijms18010026] [Citation(s) in RCA: 67] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Revised: 12/13/2016] [Accepted: 12/19/2016] [Indexed: 12/24/2022] Open
Abstract
Mesenchymal stem cells (MSCs) have emerged as a promising tool for the treatment of several neurodegenerative disorders, including Alzheimer's disease (AD). The main neuropathological hallmarks of AD are senile plaques, composed of amyloid beta (Aβ), and neurofibrillary tangles, formed by hyperphosphorylated tau. However, current therapies for AD have shown limited efficacy. In this study, we evaluated whether pre-treatment with cannabidiol (CBD), at 5 μM concentration, modulated the transcriptional profile of MSCs derived from gingiva (GMSCs) in order to improve their therapeutic potential, by performing a transcriptomic analysis by the next-generation sequencing (NGS) platform. By comparing the expression profiles between GMSCs treated with CBD (CBD-GMSCs) and control GMSCs (CTR-GMSCs), we found that CBD led to the downregulation of genes linked to AD, including genes coding for the kinases responsible of tau phosphorylation and for the secretases involved in Aβ generation. In parallel, immunocytochemistry analysis has shown that CBD inhibited the expression of GSK3β, a central player in AD pathogenesis, by promoting PI3K/Akt signalling. In order to understand through which receptor CBD exerted these effects, we have performed pre-treatments with receptor antagonists for the cannabinoid receptors (SR141716A and AM630) or for the vanilloid receptor 1 (TRPVI). Here, we have proved that TRPV1 was able to mediate the modulatory effect of CBD on the PI3K/Akt/GSK3β axis. In conclusion, we have found that pre-treatment with CBD prevented the expression of proteins potentially involved in tau phosphorylation and Aβ production in GMSCs. Therefore, we suggested that GMSCs preconditioned with CBD possess a molecular profile that might be more beneficial for the treatment of AD.
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Affiliation(s)
- Rosaliana Libro
- IRCCS Centro Neurolesi "Bonino-Pulejo", via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy.
| | - Francesca Diomede
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University "G. D'Annunzio", Chieti-Pescara, via dei Vestini, 31, 66100 Chieti, Italy.
| | - Domenico Scionti
- IRCCS Centro Neurolesi "Bonino-Pulejo", via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy.
| | - Adriano Piattelli
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University "G. D'Annunzio", Chieti-Pescara, via dei Vestini, 31, 66100 Chieti, Italy.
| | - Gianpaolo Grassi
- Council for Research and Experimentation in Agriculture-Research Centre for Industrial Crops (CREA-CIN), 45100 Rovigo, Italy.
| | - Federica Pollastro
- Dipartimento di Scienze del Farmaco, Universita del Piemonte Orientale, Largo Donegani 2, 28100 Novara, Italy.
| | - Placido Bramanti
- IRCCS Centro Neurolesi "Bonino-Pulejo", via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy.
| | - Emanuela Mazzon
- IRCCS Centro Neurolesi "Bonino-Pulejo", via Provinciale Palermo, Contrada Casazza, 98124 Messina, Italy.
| | - Oriana Trubiani
- Stem Cells and Regenerative Medicine Laboratory, Department of Medical, Oral and Biotechnological Sciences, University "G. D'Annunzio", Chieti-Pescara, via dei Vestini, 31, 66100 Chieti, Italy.
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39
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Xie H, Hu H, Chang M, Huang D, Gu X, Xiong X, Xiong R, Hu L, Li G. Identification of chaperones in a MPP +-induced and ATRA/TPA-differentiated SH-SY5Y cell PD model. Am J Transl Res 2016; 8:5659-5671. [PMID: 28078037 PMCID: PMC5209517] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2016] [Accepted: 07/15/2016] [Indexed: 06/06/2023]
Abstract
Parkinson's disease (PD) is characterized by the pathological accumulation of misfolded proteins. Molecular chaperones assist in the proper folding of proteins and removal of irreversibly misfolded proteins. This study aims to identify potential chaperones associated with protein misfolding and accumulation in PD. ATRA/TPA-differentiated SH-SY5Y cells were treated with 1 mM of MPP+ for 48 hours. Proteins were analyzed by 2D-DIGE followed by MALDI-ToF MS. The treatment of differentiated SH-SY5Y cells by MPP+ led to the unambiguous identification of 10 protein spots, which corresponds to six proteins. Among these six proteins, four were chaperone proteins including nucleophosmin (NPM1), chaperonin-containing TCP-1 subunit 2 (CCT2 or CCTβ), heat shock 90 kDa protein 1 beta (HSP90AB1 or HSP90-β), and tyrosin3/tryptopha5-monoxygenase activation protein, zeta polypeptide (14-3-3ζ, gene symbol: Ywhaz). To our knowledge, this is the first report that linked the upregulation of chaperones after MPP+ treatment with SH-SY5Y cells. However, the NPM1 protein was identified for the first time in the PD model. The upregulation of four chaperone proteins provided evidence that these chaperones have a complementary effect on protein misfolding in the pathogenesis of PD, and hold promise as a good therapeutic target for PD treatment.
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Affiliation(s)
- Hongrong Xie
- Department of Neurology, Shanghai East Hospital, Tongji UniversityShanghai 200120, P. R. China
| | - Hui Hu
- Department of Neurology, Shanghai East Hospital, Tongji UniversityShanghai 200120, P. R. China
| | - Ming Chang
- Department of Neurology, The First Hospital of Jilin UniversityShanghai 130021, P. R. China
| | - Dongya Huang
- Department of Neurology, Shanghai East Hospital, Tongji UniversityShanghai 200120, P. R. China
| | - Xiaobo Gu
- Department of Neurology, Shanghai East Hospital, Tongji UniversityShanghai 200120, P. R. China
| | - Xinli Xiong
- Department of Neurology, Shanghai East Hospital, Tongji UniversityShanghai 200120, P. R. China
| | - Ran Xiong
- Department of Neurology, Shanghai East Hospital, Tongji UniversityShanghai 200120, P. R. China
| | - Linsen Hu
- Department of Neurology, The First Hospital of Jilin UniversityShanghai 130021, P. R. China
| | - Gang Li
- Department of Neurology, Shanghai East Hospital, Tongji UniversityShanghai 200120, P. R. China
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40
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Ayyadevara S, Balasubramaniam M, Parcon PA, Barger SW, Griffin WST, Alla R, Tackett AJ, Mackintosh SG, Petricoin E, Zhou W, Shmookler Reis RJ. Proteins that mediate protein aggregation and cytotoxicity distinguish Alzheimer's hippocampus from normal controls. Aging Cell 2016; 15:924-39. [PMID: 27448508 PMCID: PMC5013017 DOI: 10.1111/acel.12501] [Citation(s) in RCA: 54] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 06/03/2016] [Indexed: 12/14/2022] Open
Abstract
Neurodegenerative diseases are distinguished by characteristic protein aggregates initiated by disease‐specific ‘seed’ proteins; however, roles of other co‐aggregated proteins remain largely unexplored. Compact hippocampal aggregates were purified from Alzheimer's and control‐subject pools using magnetic‐bead immunoaffinity pulldowns. Their components were fractionated by electrophoretic mobility and analyzed by high‐resolution proteomics. Although total detergent‐insoluble aggregates from Alzheimer's and controls had similar protein content, within the fractions isolated by tau or Aβ1–42 pulldown, the protein constituents of Alzheimer‐derived aggregates were more abundant, diverse, and post‐translationally modified than those from controls. Tau‐ and Aβ‐containing aggregates were distinguished by multiple components, and yet shared >90% of their protein constituents, implying similar accretion mechanisms. Alzheimer‐specific protein enrichment in tau‐containing aggregates was corroborated for individuals by three analyses. Five proteins inferred to co‐aggregate with tau were confirmed by precise in situ methods, including proximity ligation amplification that requires co‐localization within 40 nm. Nematode orthologs of 21 proteins, which showed Alzheimer‐specific enrichment in tau‐containing aggregates, were assessed for aggregation‐promoting roles in C. elegans by RNA‐interference ‘knockdown’. Fifteen knockdowns (71%) rescued paralysis of worms expressing muscle Aβ, and 12 (57%) rescued chemotaxis disrupted by neuronal Aβ expression. Proteins identified in compact human aggregates, bound by antibody to total tau, were thus shown to play causal roles in aggregation based on nematode models triggered by Aβ1–42. These observations imply shared mechanisms driving both types of aggregation, and/or aggregate‐mediated cross‐talk between tau and Aβ. Knowledge of protein components that promote protein accrual in diverse aggregate types implicates common mechanisms and identifies novel targets for drug intervention.
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Affiliation(s)
- Srinivas Ayyadevara
- McClellan Veterans Medical Center Central Arkansas Veterans Healthcare Service Little Rock AR 72205 USA
- Department of Geriatrics University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| | - Meenakshisundaram Balasubramaniam
- Department of Geriatrics University of Arkansas for Medical Sciences Little Rock AR 72205 USA
- BioInformatics Program University of Arkansas for Medical Sciences and University of Arkansas at Little Rock Little Rock AR 72205 USA
| | - Paul A. Parcon
- Department of Geriatrics University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| | - Steven W. Barger
- McClellan Veterans Medical Center Central Arkansas Veterans Healthcare Service Little Rock AR 72205 USA
- Department of Geriatrics University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| | - W. Sue T. Griffin
- McClellan Veterans Medical Center Central Arkansas Veterans Healthcare Service Little Rock AR 72205 USA
- Department of Geriatrics University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| | - Ramani Alla
- McClellan Veterans Medical Center Central Arkansas Veterans Healthcare Service Little Rock AR 72205 USA
- Department of Geriatrics University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| | - Alan J. Tackett
- Department of Biochemistry & Molecular Biology University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| | - Samuel G. Mackintosh
- Department of Biochemistry & Molecular Biology University of Arkansas for Medical Sciences Little Rock AR 72205 USA
| | - Emanuel Petricoin
- Center for Applied Proteomics and Molecular Medicine George Mason University Manassas VA 20110 USA
| | - Weidong Zhou
- Center for Applied Proteomics and Molecular Medicine George Mason University Manassas VA 20110 USA
| | - Robert J. Shmookler Reis
- McClellan Veterans Medical Center Central Arkansas Veterans Healthcare Service Little Rock AR 72205 USA
- Department of Geriatrics University of Arkansas for Medical Sciences Little Rock AR 72205 USA
- Department of Biochemistry & Molecular Biology University of Arkansas for Medical Sciences Little Rock AR 72205 USA
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Gadhave K, Bolshette N, Ahire A, Pardeshi R, Thakur K, Trandafir C, Istrate A, Ahmed S, Lahkar M, Muresanu DF, Balea M. The ubiquitin proteasomal system: a potential target for the management of Alzheimer's disease. J Cell Mol Med 2016; 20:1392-407. [PMID: 27028664 PMCID: PMC4929298 DOI: 10.1111/jcmm.12817] [Citation(s) in RCA: 84] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2015] [Accepted: 01/17/2016] [Indexed: 01/06/2023] Open
Abstract
The cellular quality control system degrades abnormal or misfolded proteins and consists of three different mechanisms: the ubiquitin proteasomal system (UPS), autophagy and molecular chaperones. Any disturbance in this system causes proteins to accumulate, resulting in neurodegenerative diseases such as amyotrophic lateral sclerosis, Alzheimer's disease (AD), Parkinson's disease, Huntington's disease and prion or polyglutamine diseases. Alzheimer's disease is currently one of the most common age-related neurodegenerative diseases. However, its exact cause and pathogenesis are unknown. Currently approved medications for AD provide symptomatic relief; however, they fail to influence disease progression. Moreover, the components of the cellular quality control system represent an important focus for the development of targeted and potent therapies for managing AD. This review aims to evaluate whether existing evidence supports the hypothesis that UPS impairment causes the early pathogenesis of neurodegenerative disorders. The first part presents basic information about the UPS and its molecular components. The next part explains how the UPS is involved in neurodegenerative disorders. Finally, we emphasize how the UPS influences the management of AD. This review may help in the design of future UPS-related therapies for AD.
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Affiliation(s)
- Kundlik Gadhave
- Laboratory of Neurobiology, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Gauhati Medical College, Guwahati, Assam, India
| | - Nityanand Bolshette
- Institutional Level Biotech hub (IBT hub), Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER), Gauhati Medical College, Guwahati, Assam, India
| | - Ashutosh Ahire
- Laboratory of Neurobiology, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Gauhati Medical College, Guwahati, Assam, India
| | - Rohit Pardeshi
- Institutional Level Biotech hub (IBT hub), Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER), Gauhati Medical College, Guwahati, Assam, India
| | - Krishan Thakur
- Institutional Level Biotech hub (IBT hub), Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER), Gauhati Medical College, Guwahati, Assam, India
| | - Cristiana Trandafir
- Faculty of Medicine, University of Medicine and Pharmacy "Iuliu Hatieganu", Cluj-Napoca, Romania
| | - Alexandru Istrate
- Faculty of Medicine, University of Medicine and Pharmacy "Iuliu Hatieganu", Cluj-Napoca, Romania
| | - Sahabuddin Ahmed
- Laboratory of Neurobiology, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Gauhati Medical College, Guwahati, Assam, India
| | - Mangala Lahkar
- Laboratory of Neurobiology, Department of Pharmacology and Toxicology, National Institute of Pharmaceutical Education and Research (NIPER), Gauhati Medical College, Guwahati, Assam, India
- Institutional Level Biotech hub (IBT hub), Department of Biotechnology, National Institute of Pharmaceutical Education and Research (NIPER), Gauhati Medical College, Guwahati, Assam, India
| | - Dafin F Muresanu
- Faculty of Medicine, University of Medicine and Pharmacy "Iuliu Hatieganu", Cluj-Napoca, Romania
- Department of Clinical Neurosciences, University of Medicine and Pharmacy "Iuliu Hatieganu", Cluj-Napoca, Romania
- "RoNeuro" Institute for Neurological Research and Diagnostic, Cluj-Napoca, Romania
| | - Maria Balea
- Department of Clinical Neurosciences, University of Medicine and Pharmacy "Iuliu Hatieganu", Cluj-Napoca, Romania
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42
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French SW, Mendoza AS, Peng Y. The mechanisms of Mallory-Denk body formation are similar to the formation of aggresomes in Alzheimer's disease and other neurodegenerative disorders. Exp Mol Pathol 2016; 100:426-33. [PMID: 27068270 DOI: 10.1016/j.yexmp.2016.03.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2016] [Accepted: 03/30/2016] [Indexed: 10/22/2022]
Abstract
There is a possibility that the aggresomes that form in the brain in neurodegenerative diseases like Alzheimer's disease (AD) and in the liver where aggresomes like Mallory-Denk Bodies (MDB) form, share mechanisms. MDBs can be prevented by feeding mice sadenosylmethionine (SAMe) or betaine. Possibly these proteins could prevent AD. We compared the literature on MDBs and AD pathogenesis, which include roles played by p62, ubiquitin UBB +1, HSPs70, 90, 104, FAT10, NEDD8, VCP/97, and the protein quality control mechanisms including the 26s proteasome, the IPOD and JUNQ and autophagosome pathways.
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Affiliation(s)
- S W French
- Department of Pathology, Harbor-UCLA Medical Center, Torrance, CA 90509, United States
| | - A S Mendoza
- Department of Pathology, Harbor-UCLA Medical Center, Torrance, CA 90509, United States
| | - Y Peng
- Department of Pathology, Harbor-UCLA Medical Center, Torrance, CA 90509, United States
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43
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Luca M, Luca A, Calandra C. The Role of Oxidative Damage in the Pathogenesis and Progression of Alzheimer's Disease and Vascular Dementia. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2015:504678. [PMID: 26301043 PMCID: PMC4537746 DOI: 10.1155/2015/504678] [Citation(s) in RCA: 105] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Accepted: 04/08/2015] [Indexed: 01/12/2023]
Abstract
Oxidative stress (OS) has been demonstrated to be involved in the pathogenesis of the two major types of dementia: Alzheimer's disease (AD) and vascular dementia (VaD). Evidence of OS and OS-related damage in AD is largely reported in the literature. Moreover, OS is not only linked to VaD, but also to all its risk factors. Several researches have been conducted in order to investigate whether antioxidant therapy exerts a role in the prevention and treatment of AD and VaD. Another research field is that pertaining to the heat shock proteins (Hsps), that has provided promising findings. However, the role of OS antioxidant defence system and more generally stress responses is very complex. Hence, research on this topic should be improved in order to reach further knowledge and discover new therapeutic strategies to face a disorder with such a high burden which is dementia.
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Affiliation(s)
- Maria Luca
- Psychiatry Unit, Department of Medical and Surgical Sciences and Advanced Technologies, University Hospital Policlinico-Vittorio Emanuele, Santa Sofia Street 78, Catania, 95100 Sicily, Italy
| | - Antonina Luca
- Department of “G.F. Ingrassia”, University Hospital Policlinico-Vittorio Emanuele, Santa Sofia Street 78, Catania, 95100 Sicily, Italy
| | - Carmela Calandra
- Psychiatry Unit, Department of Medical and Surgical Sciences and Advanced Technologies, University Hospital Policlinico-Vittorio Emanuele, Santa Sofia Street 78, Catania, 95100 Sicily, Italy
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