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Singh MK, Shin Y, Han S, Ha J, Tiwari PK, Kim SS, Kang I. Molecular Chaperonin HSP60: Current Understanding and Future Prospects. Int J Mol Sci 2024; 25:5483. [PMID: 38791521 PMCID: PMC11121636 DOI: 10.3390/ijms25105483] [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: 04/24/2024] [Revised: 05/14/2024] [Accepted: 05/15/2024] [Indexed: 05/26/2024] Open
Abstract
Molecular chaperones are highly conserved across evolution and play a crucial role in preserving protein homeostasis. The 60 kDa heat shock protein (HSP60), also referred to as chaperonin 60 (Cpn60), resides within mitochondria and is involved in maintaining the organelle's proteome integrity and homeostasis. The HSP60 family, encompassing Cpn60, plays diverse roles in cellular processes, including protein folding, cell signaling, and managing high-temperature stress. In prokaryotes, HSP60 is well understood as a GroEL/GroES complex, which forms a double-ring cavity and aids in protein folding. In eukaryotes, HSP60 is implicated in numerous biological functions, like facilitating the folding of native proteins and influencing disease and development processes. Notably, research highlights its critical involvement in sustaining oxidative stress and preserving mitochondrial integrity. HSP60 perturbation results in the loss of the mitochondria integrity and activates apoptosis. Currently, numerous clinical investigations are in progress to explore targeting HSP60 both in vivo and in vitro across various disease models. These studies aim to enhance our comprehension of disease mechanisms and potentially harness HSP60 as a therapeutic target for various conditions, including cancer, inflammatory disorders, and neurodegenerative diseases. This review delves into the diverse functions of HSP60 in regulating proteo-homeostasis, oxidative stress, ROS, apoptosis, and its implications in diseases like cancer and neurodegeneration.
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Affiliation(s)
- Manish Kumar Singh
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (M.K.S.); (Y.S.); (S.H.); (J.H.)
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Centre for Genomics, SOS Zoology, Jiwaji University, Gwalior 474011, India;
| | - Yoonhwa Shin
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (M.K.S.); (Y.S.); (S.H.); (J.H.)
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Sunhee Han
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (M.K.S.); (Y.S.); (S.H.); (J.H.)
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Joohun Ha
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (M.K.S.); (Y.S.); (S.H.); (J.H.)
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Pramod K. Tiwari
- Centre for Genomics, SOS Zoology, Jiwaji University, Gwalior 474011, India;
| | - Sung Soo Kim
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (M.K.S.); (Y.S.); (S.H.); (J.H.)
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Insug Kang
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (M.K.S.); (Y.S.); (S.H.); (J.H.)
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
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Syed A, Zhai J, Guo B, Zhao Y, Wang JCY, Chen L. Cryo-EM structure and molecular dynamic simulations explain the enhanced stability and ATP activity of the pathological chaperonin mutant. Structure 2024; 32:575-584.e3. [PMID: 38412855 PMCID: PMC11069440 DOI: 10.1016/j.str.2024.02.001] [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: 09/20/2023] [Revised: 12/18/2023] [Accepted: 02/01/2024] [Indexed: 02/29/2024]
Abstract
Chaperonins Hsp60s are required for cellular vitality by assisting protein folding in an ATP-dependent mechanism. Although conserved, the human mitochondrial mHsp60 exhibits molecular characteristics distinct from the E. coli GroEL, with different conformational assembly and higher subunit association dynamics, suggesting a different mechanism. We previously found that the pathological mutant mHsp60V72I exhibits enhanced subunit association stability and ATPase activity. To provide structural explanations for the V72I mutational effects, here we determined a cryo-EM structure of mHsp60V72I. Our structural analysis combined with molecular dynamic simulations showed mHsp60V72I with increased inter-subunit interface, binding free energy, and dissociation force, all contributing to its enhanced subunit association stability. The gate to the nucleotide-binding (NB) site in mHsp60V72I mimicked the open conformation in the nucleotide-bound state with an additional open channel leading to the NB site, both promoting the mutant's ATPase activity. Our studies highlight the importance of mHsp60's characteristics in its biological function.
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Affiliation(s)
- Aiza Syed
- Department of Molecular and Cellular Biochemistry, Indiana University Bloomington, 212 S. Hawthorne Dr., Bloomington, IN 47405, USA
| | - Jihang Zhai
- The Key Laboratory of Natural Medicine and Immuno-Engineering, Henan University, Kaifeng, Henan 475000, China
| | - Baolin Guo
- The Key Laboratory of Natural Medicine and Immuno-Engineering, Henan University, Kaifeng, Henan 475000, China
| | - Yuan Zhao
- The Key Laboratory of Natural Medicine and Immuno-Engineering, Henan University, Kaifeng, Henan 475000, China.
| | - Joseph Che-Yen Wang
- Department of Microbiology and Immunology, The Pennsylvania State University College of Medicine, 500 University Drive, Hershey, PA 17033, USA.
| | - Lingling Chen
- Department of Molecular and Cellular Biochemistry, Indiana University Bloomington, 212 S. Hawthorne Dr., Bloomington, IN 47405, USA.
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Singh MK, Shin Y, Ju S, Han S, Choe W, Yoon KS, Kim SS, Kang I. Heat Shock Response and Heat Shock Proteins: Current Understanding and Future Opportunities in Human Diseases. Int J Mol Sci 2024; 25:4209. [PMID: 38673794 PMCID: PMC11050489 DOI: 10.3390/ijms25084209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2024] [Revised: 04/03/2024] [Accepted: 04/05/2024] [Indexed: 04/28/2024] Open
Abstract
The heat shock response is an evolutionarily conserved mechanism that protects cells or organisms from the harmful effects of various stressors such as heat, chemicals toxins, UV radiation, and oxidizing agents. The heat shock response triggers the expression of a specific set of genes and proteins known as heat shock genes/proteins or molecular chaperones, including HSP100, HSP90, HSP70, HSP60, and small HSPs. Heat shock proteins (HSPs) play a crucial role in thermotolerance and aiding in protecting cells from harmful insults of stressors. HSPs are involved in essential cellular functions such as protein folding, eliminating misfolded proteins, apoptosis, and modulating cell signaling. The stress response to various environmental insults has been extensively studied in organisms from prokaryotes to higher organisms. The responses of organisms to various environmental stressors rely on the intensity and threshold of the stress stimuli, which vary among organisms and cellular contexts. Studies on heat shock proteins have primarily focused on HSP70, HSP90, HSP60, small HSPs, and ubiquitin, along with their applications in human biology. The current review highlighted a comprehensive mechanism of heat shock response and explores the function of heat shock proteins in stress management, as well as their potential as therapeutic agents and diagnostic markers for various diseases.
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Affiliation(s)
- Manish Kumar Singh
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (M.K.S.); (Y.S.); (S.J.); (S.H.); (W.C.); (K.-S.Y.)
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Yoonhwa Shin
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (M.K.S.); (Y.S.); (S.J.); (S.H.); (W.C.); (K.-S.Y.)
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Songhyun Ju
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (M.K.S.); (Y.S.); (S.J.); (S.H.); (W.C.); (K.-S.Y.)
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Sunhee Han
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (M.K.S.); (Y.S.); (S.J.); (S.H.); (W.C.); (K.-S.Y.)
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Wonchae Choe
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (M.K.S.); (Y.S.); (S.J.); (S.H.); (W.C.); (K.-S.Y.)
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Kyung-Sik Yoon
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (M.K.S.); (Y.S.); (S.J.); (S.H.); (W.C.); (K.-S.Y.)
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Sung Soo Kim
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (M.K.S.); (Y.S.); (S.J.); (S.H.); (W.C.); (K.-S.Y.)
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Insug Kang
- Department of Biochemistry and Molecular Biology, School of Medicine, Kyung Hee University, Seoul 02447, Republic of Korea; (M.K.S.); (Y.S.); (S.J.); (S.H.); (W.C.); (K.-S.Y.)
- Biomedical Science Institute, Kyung Hee University, Seoul 02447, Republic of Korea
- Department of Biomedical Science, Graduate School, Kyung Hee University, Seoul 02447, Republic of Korea
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Liu X, Guan Z, Liang S, Feng S, Zhou Y. Associations of cataract, cataract surgery with dementia risk: A systematic review and meta-analysis of 448,140 participants. Eur J Clin Invest 2024; 54:e14113. [PMID: 37874275 DOI: 10.1111/eci.14113] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Revised: 10/06/2023] [Accepted: 10/10/2023] [Indexed: 10/25/2023]
Abstract
BACKGROUND Cataract is the leading cause of blindness around the world. Previous investigations have assessed the relationship between cataract, cataract surgery and dementia risk, but their results remain controversial. Herein, we conducted a meta-analysis to evaluate the associations between cataract, cataract surgery and the risk of dementia. METHODS We systemically screened the literature from three electronic databases PubMed, EMBASE and CENTRAL until April 2023. The data were collected by two independent researchers. The hazard ratios (HRs) or odds ratios (ORs) from eligible studies with 95% confidence intervals (CIs) were adjusted into the risk ratios (RRs), which were pooled using the random-effects model. RESULTS A total of nine studies with 448,140 participants reported the associations between cataract or cataract surgery and the risk of dementia were included in this meta-analysis. The outcomes of our pooled analysis indicated that cataract was associated with an increased risk of all-cause dementia (RR = 1.24, 95% CI, 1.14-1.35, p < .00001), Alzheimer's disease (RR = 1.22, 95% CI, 1.10-1.35, p = .0002) and vascular dementia (RR = 1.29, 95% CI, 1.01-1.66, p = .04). Cataract surgery is associated with a reduction of the dementia risk (RR = 0.74, 95% CI, 0.67-0.81, p < .00001). CONCLUSIONS Current evidence from the existing studies supports that cataract is associated with an increased risk of dementia, and cataract surgery may be instrumental in reducing the risk of dementia in patients with cataract.
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Affiliation(s)
- Xin Liu
- Department of Critical Care Medicine, The First Affiliated Hospital of Gannan Medical University, Ganzhou, China
| | - Zeyu Guan
- Faculty of Medicine, Macau University of Science and Technology, Macau SAR, China
| | - Shucheng Liang
- Faculty of Medicine, Macau University of Science and Technology, Macau SAR, China
| | - Shenghui Feng
- The First Affiliated Hospital of Nanchang University, Nanchang, Jiangxi, China
| | - Yue Zhou
- Department of Ophthalmology, The Second Affiliated Hospital of Guangzhou Medical University, Guangzhou, China
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Wang L, Sang B, Zheng Z. The risk of dementia or cognitive impairment in patients with cataracts: a systematic review and meta-analysis. Aging Ment Health 2024; 28:11-22. [PMID: 37416949 DOI: 10.1080/13607863.2023.2226616] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 06/04/2023] [Indexed: 07/08/2023]
Abstract
OBJECTIVES The aim of this study was to investigate whether cataract disease is associated with the risk of developing dementia or cognitive impairment. METHODS A systematic search of the literature in PubMed, the Extracts Database (Embase), the Cochrane Library and the Web of Science databases was performed from the inception data of each database until 1 September 2022. Sensitivity analyses were performed to assess the robustness and reliability of the overall findings. All extracted data were statistically analyzed using Stata software v.16.0. Publication bias was assessed using funnel plots and the Egger test. RESULTS There were 11 publications included in this study, which consisted of 489,211participants, spanning 10 countries from 2012 to 2022. Aggregation suggested that cataracts were associated with cognitive impairment (odds ratio [OR] = 1.32; 95% CI: 1.21-1.43; I 2 = 45.4.%; p = 0.000). The presence of cataracts is significantly associated with an increased risk of developing all-cause dementia (relative risk [RR] = 1.17; 95% CI: 1.08-1.26; I2 = 0.0%; p = 0.000). In subgroup analyses, having cataracts may increase the risk of Alzheimer's disease (hazard ratio [HR] = 1.28; 95% CI: 1.13-1.45; I2 = 0.0%; p = 0.000) and vascular dementia (HR = 1.35; 95% CI = 1.06-1.73; I2 = 0.0%, p = 0.015). The data from the Egger's test showed no significant evidence of publication bias. CONCLUSIONS Cataracts are associated with the risk of cognitive impairment and dementia, including Alzheimer's disease, and vascular dementia.
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Affiliation(s)
- Luping Wang
- Heilongjiang University of Traditional Chinese Medicine, Harbin, China
| | - Bowen Sang
- Heilongjiang University of Traditional Chinese Medicine, Harbin, China
| | - Zuyan Zheng
- Department of Acupuncture, The First Affiliated Hospital of Heilongjiang University of Chinese Medicine, Harbin, China
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Atlante A, Valenti D. Mitochondrial Complex I and β-Amyloid Peptide Interplay in Alzheimer's Disease: A Critical Review of New and Old Little Regarded Findings. Int J Mol Sci 2023; 24:15951. [PMID: 37958934 PMCID: PMC10650435 DOI: 10.3390/ijms242115951] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2023] [Revised: 10/30/2023] [Accepted: 10/31/2023] [Indexed: 11/15/2023] Open
Abstract
Alzheimer's disease (AD) is the most common neurodegenerative disorder and the main cause of dementia which is characterized by a progressive cognitive decline that severely interferes with daily activities of personal life. At a pathological level, it is characterized by the accumulation of abnormal protein structures in the brain-β-amyloid (Aβ) plaques and Tau tangles-which interfere with communication between neurons and lead to their dysfunction and death. In recent years, research on AD has highlighted the critical involvement of mitochondria-the primary energy suppliers for our cells-in the onset and progression of the disease, since mitochondrial bioenergetic deficits precede the beginning of the disease and mitochondria are very sensitive to Aβ toxicity. On the other hand, if it is true that the accumulation of Aβ in the mitochondria leads to mitochondrial malfunctions, it is otherwise proven that mitochondrial dysfunction, through the generation of reactive oxygen species, causes an increase in Aβ production, by initiating a vicious cycle: there is therefore a bidirectional relationship between Aβ aggregation and mitochondrial dysfunction. Here, we focus on the latest news-but also on neglected evidence from the past-concerning the interplay between dysfunctional mitochondrial complex I, oxidative stress, and Aβ, in order to understand how their interplay is implicated in the pathogenesis of the disease.
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Affiliation(s)
- Anna Atlante
- Institute of Biomembranes, Bioenergetics and Molecular Biotechnologies (IBIOM), National Research Council (CNR), Via G. Amendola 122/O, 70126 Bari, Italy;
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Ayan E, DeMirci H, Serdar MA, Palermo F, Baykal AT. Bridging the Gap between Gut Microbiota and Alzheimer's Disease: A Metaproteomic Approach for Biomarker Discovery in Transgenic Mice. Int J Mol Sci 2023; 24:12819. [PMID: 37629000 PMCID: PMC10454110 DOI: 10.3390/ijms241612819] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2023] [Revised: 07/24/2023] [Accepted: 07/28/2023] [Indexed: 08/27/2023] Open
Abstract
Alzheimer's Disease (AD) is a progressively debilitating form of dementia that affects millions of individuals worldwide. Although a vast amount of research has investigated the complex interplay between gut microbiota and neurodegeneration, the metaproteomic effects of microbiota on AD pathogenesis remain largely uncharted territory. This study aims to reveal the role of gut microbiota in AD pathogenesis, particularly regarding changes in the proteome and molecular pathways that are intricately linked to disease progression. We operated state-of-the-art Nano-Liquid Chromatography Mass Spectrometry (nLC-MS/MS) to compare the metaproteomic shifts of 3-month-old transgenic (3M-ALZ) and control (3M-ALM, Alzheimer's Littermate) mice, depicting the early onset of AD with those of 12-month-old ALZ and ALM mice displaying the late stage of AD. Combined with computational analysis, the outcomes of the gut-brain axis-focused inquiry furnish priceless knowledge regarding the intersection of gut microbiota and AD. Accordingly, our data indicate that the microbiota, proteome, and molecular changes in the intestine arise long before the manifestation of disease symptoms. Moreover, disparities exist between the normal-aged flora and the gut microbiota of late-stage AD mice, underscoring that the identified vital phyla, proteins, and pathways hold immense potential as markers for the early and late stages of AD. Our research endeavors to offer a comprehensive inquiry into the intricate interplay between gut microbiota and Alzheimer's Disease utilizing metaproteomic approaches, which have not been widely adopted in this domain. This highlights the exigency for further scientific exploration to elucidate the underlying mechanisms that govern this complex and multifaceted linkage.
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Affiliation(s)
- Esra Ayan
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Acibadem Mehmet Ali Aydinlar University, Istanbul 34450, Turkey; (E.A.); (M.A.S.)
- Department of Molecular Biology and Genetics, Faculty of Science, Koç University, Istanbul 34450, Turkey;
| | - Hasan DeMirci
- Department of Molecular Biology and Genetics, Faculty of Science, Koç University, Istanbul 34450, Turkey;
- Koç University Isbank Center for Infectious Diseases (KUISCID), Koç University, Istanbul 34450, Turkey
- Stanford PULSE Institute, SLAC National Laboratory, Menlo Park, CA 94305, USA
| | - Muhittin Abdulkadir Serdar
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Acibadem Mehmet Ali Aydinlar University, Istanbul 34450, Turkey; (E.A.); (M.A.S.)
| | | | - Ahmet Tarık Baykal
- Department of Biochemistry and Molecular Biology, Faculty of Medicine, Acibadem Mehmet Ali Aydinlar University, Istanbul 34450, Turkey; (E.A.); (M.A.S.)
- Acıbadem Labmed Clinical Laboratories, R&D Center, İstanbul 34450, Turkey
- Department of Medical Biochemistry, Faculty of Medicine, Acibadem Mehmet Ali Aydınlar University, Istanbul 34450, Turkey
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Zimbone S, Di Rosa MC, Chiechio S, Giuffrida ML. Exploring the Role of Hsp60 in Alzheimer's Disease and Type 2 Diabetes: Suggestion for Common Drug Targeting. Int J Mol Sci 2023; 24:12456. [PMID: 37569831 PMCID: PMC10419248 DOI: 10.3390/ijms241512456] [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: 06/29/2023] [Revised: 08/01/2023] [Accepted: 08/02/2023] [Indexed: 08/13/2023] Open
Abstract
Heat shock protein 60 (Hsp60) is a member of the chaperonin family of heat shock proteins (HSPs), primarily found in the mitochondrial matrix. As a molecular chaperone, Hsp60 plays an essential role in mediating protein folding and assembly, and together with the co-chaperon Hsp10, it is thought to maintain protein homeostasis. Recently, it has been found to localize in non-canonical, extra-mitochondrial sites such as cell membranes or extracellular fluids, particularly in pathological conditions. Starting from its biological function, this review aims to provide a comprehensive understanding of the potential involvement of Hsp60 in Alzheimer's disease (AD) and Type II Diabetes Mellitus (T2DM), which are known to share impaired key pathways and molecular dysfunctions. Fragmentary data reported in the literature reveal interesting links between the altered expression level or localization of this chaperonin and several disease conditions. The present work offers an overview of the past and more recent knowledge about Hsp60 and its role in the most important cellular processes to shed light on neuronal Hsp60 as a potential common target for both pathologies. The absence of any effective cure for AD patients makes the identification of a new molecular target a promising path by which to move forward in the development of new drugs and/or repositioning of therapies already used for T2DM.
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Affiliation(s)
- Stefania Zimbone
- Institute of Crystallography, National Research Council (CNR-IC), 95126 Catania, Italy; (S.Z.); (M.C.D.R.)
| | - Maria Carmela Di Rosa
- Institute of Crystallography, National Research Council (CNR-IC), 95126 Catania, Italy; (S.Z.); (M.C.D.R.)
- Cogentech Società Benefit srl Actual Position, 95121 Catania, Italy
| | - Santina Chiechio
- Department of Drug and Health Sciences, University of Catania, 95125 Catania, Italy;
- Oasi Research Institute—IRCCS, 94018 Troina, Italy
| | - Maria Laura Giuffrida
- Institute of Crystallography, National Research Council (CNR-IC), 95126 Catania, Italy; (S.Z.); (M.C.D.R.)
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Wang Y, Miao Z, Xu C, Cai Y, Yang Y, Hu Y, Zhao M, Shao Y, Li Z, Chen J, Chen S, Wang L. Pathological convergence of APP and SNCA deficiency in hippocampal degeneration of young rats. Cell Death Dis 2023; 14:325. [PMID: 37179386 PMCID: PMC10183039 DOI: 10.1038/s41419-023-05846-5] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 05/02/2023] [Indexed: 05/15/2023]
Abstract
The common pathogenesis of Alzheimer's disease (AD) and Parkinson's disease (PD) has been supported by biochemical, genetic and molecular evidence. Mitochondrial dysfunction is considered to be the common pathology in early AD and PD. The physiological regulation of APP and α-synuclein on mitochondria remains unclear, let alone whether they share common regulatory mechanisms affecting the development of neurodegenerative diseases. By studying gene knockout rats, the commonality of physiological APP and α-synuclein in maintaining mitochondrial function through calcium homeostasis regulation was revealed, which was critical in inhibiting hippocampal degeneration in young rats. APP and α-synuclein both control hippocampal mitochondrial calcium intake and outflow. In the mitochondrial calcium influx regulation, APP and α-synuclein are located on the mitochondrial-associated endoplasmic reticulum membrane (MAM) and converge to regulate the IP3R1-Grp75-VDAC2 axis. Mitochondrial calcium outflow is redundantly promoted by both α-synuclein and APP. Loss of APP or SNCA leads to mitochondrial calcium overload, thus enhancing aerobic respiration and ER stress, and ultimately causing excessive apoptosis in the hippocampus and spatial memory impairment in young rats. Based on this study, we believe that the physiological function impairment of APP and SNCA is the early core pathology to induce mitochondrial dysfunction at the early stage of AD and PD, while the IP3R1-Grp75-VDAC2 axis might be the common drug target of these two diseases.
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Affiliation(s)
- Yajie Wang
- Brain Center, Department of Neurosurgery, Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Zhikang Miao
- Brain Center, Department of Neurosurgery, Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Chang Xu
- Brain Center, Department of Neurosurgery, Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
- The Research and Application Center of Precision Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, 450014, China
| | - Ying Cai
- Brain Center, Department of Neurosurgery, Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Yuting Yang
- Brain Center, Department of Neurosurgery, Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Yue Hu
- Brain Center, Department of Neurosurgery, Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Mengna Zhao
- Brain Center, Department of Neurosurgery, Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Yue Shao
- Brain Center, Department of Neurosurgery, Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Zhiqiang Li
- Brain Center, Department of Neurosurgery, Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Jincao Chen
- Brain Center, Department of Neurosurgery, Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China
| | - Shi Chen
- Brain Center, Department of Neurosurgery, Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China.
- Department of Burn and Plastic Surgery, Shenzhen Institute of Translational Medicine, Health Science Center, the First Affiliated Hospital of Shenzhen University, Shenzhen Second People's Hospital, Shenzhen, 518035, China.
| | - Lianrong Wang
- Brain Center, Department of Neurosurgery, Ministry of Education Key Laboratory of Combinatorial Biosynthesis and Drug Discovery, Zhongnan Hospital of Wuhan University, School of Pharmaceutical Sciences, Wuhan University, Wuhan, 430071, China.
- The Research and Application Center of Precision Medicine, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou University, Zhengzhou, 450014, China.
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10
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Wilkins HM. Interactions between amyloid, amyloid precursor protein, and mitochondria. Biochem Soc Trans 2023; 51:173-182. [PMID: 36688439 PMCID: PMC9987971 DOI: 10.1042/bst20220518] [Citation(s) in RCA: 8] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/10/2023] [Accepted: 01/12/2023] [Indexed: 01/24/2023]
Abstract
Mitochondrial dysfunction and Aβ accumulation are hallmarks of Alzheimer's disease (AD). Decades of research describe a relationship between mitochondrial function and Aβ production. Amyloid precursor protein (APP), of which Aβ is generated from, is found within mitochondria. Studies suggest Aβ can be generated in mitochondria and imported into mitochondria. APP and Aβ alter mitochondrial function, while mitochondrial function alters Aβ production from APP. The role these interactions contribute to AD pathology and progression are unknown. Here, we discuss prior research, the rigor of those studies, and the critical knowledge gaps of relationships between APP, Aβ, and mitochondria.
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Affiliation(s)
- Heather M. Wilkins
- University of Kansas Alzheimer's Disease Center, Kansas City, KS, U.S.A
- Department of Biochemistry and Molecular Biology, University of Kansas Medical Center, Kansas City, KS, U.S.A
- Department of Neurology, University of Kansas Medical Center, Kansas City, KS, U.S.A
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11
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Lin NH, Goh A, Lin SH, Chuang KA, Chang CH, Li MH, Lu CH, Chen WY, Wei PH, Pan IH, Perng MD, Wen SF. Neuroprotective Effects of a Multi-Herbal Extract on Axonal and Synaptic Disruption in Vitro and Cognitive Impairment in Vivo. J Alzheimers Dis Rep 2023; 7:51-76. [PMID: 36777330 PMCID: PMC9912829 DOI: 10.3233/adr-220056] [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: 08/04/2022] [Accepted: 01/02/2023] [Indexed: 01/19/2023] Open
Abstract
Background Alzheimer's disease (AD) is a multifactorial disorder characterized by cognitive decline. Current available therapeutics for AD have limited clinical benefit. Therefore, preventive therapies for interrupting the development of AD are critically needed. Molecules targeting multifunction to interact with various pathlogical components have been considered to improve the therapeutic efficiency of AD. In particular, herbal medicines with multiplicity of actions produce cognitive benefits on AD. Bugu-M is a multi-herbal extract composed of Ganoderma lucidum (Antler form), Nelumbo nucifera Gaertn., Ziziphus jujuba Mill., and Dimocarpus longan, with the ability of its various components to confer resilience to cognitive deficits. Objective To evaluate the potential of Bugu-M on amyloid-β (Aβ) toxicity and its in vitro mechanisms and on in vivo cognitive function. Methods We illustrated the effect of Bugu-M on Aβ25-35-evoked toxicity as well as its possible mechanisms to diminish the pathogenesis of AD in rat cortical neurons. For cognitive function studies, 2-month-old female 3×Tg-AD mice were administered 400 mg/kg Bugu-M for 30 days. Behavioral tests were performed to assess the efficacy of Bugu-M on cognitive impairment. Results In primary cortical neuronal cultures, Bugu-M mitigated Aβ-evoked toxicity by reducing cytoskeletal aberrations and axonal disruption, restoring presynaptic and postsynaptic protein expression, suppressing mitochondrial damage and apoptotic signaling, and reserving neurogenic and neurotrophic factors. Importantly, 30-day administration of Bugu-M effectively prevented development of cognitive impairment in 3-month-old female 3×Tg-AD mice. Conclusion Bugu-M might be beneficial in delaying the progression of AD, and thus warrants consideration for its preventive potential for AD.
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Affiliation(s)
- Ni-Hsuan Lin
- Institute of Molecular Medicine, College of Life Sciences, National Tsing Hua University, Hsinchu, Taiwan
| | - Angela Goh
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan
| | - Shyh-Horng Lin
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan
| | - Kai-An Chuang
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan
| | - Chih-Hsuan Chang
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan
| | - Ming-Han Li
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan
| | - Chu-Hsun Lu
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan
| | - Wen-Yin Chen
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan
| | - Pei-Hsuan Wei
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan
| | - I-Hong Pan
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan
| | - Ming-Der Perng
- Institute of Molecular Medicine, College of Life Sciences, National Tsing Hua University, Hsinchu, Taiwan,
School of Medicine, College of Life Sciences, National Tsing Hua University, Hsinchu, Taiwan,Correspondence to: Shu-Fang Wen, Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, 321, Section 2, Kuang-Fu Road, Hsinchu 300044, Taiwan. Tel.: +886 35743946; E-mail: and Ming-Der Perng, College of Life Sciences, National Tsing Hua University, 101, Section 2, Kuang-Fu Road, Hsinchu 300044, Taiwan. Tel.: +886 35742024; E-mail:
| | - Shu-Fang Wen
- Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, Hsinchu, Taiwan,Correspondence to: Shu-Fang Wen, Biomedical Technology and Device Research Laboratories, Industrial Technology Research Institute, 321, Section 2, Kuang-Fu Road, Hsinchu 300044, Taiwan. Tel.: +886 35743946; E-mail: and Ming-Der Perng, College of Life Sciences, National Tsing Hua University, 101, Section 2, Kuang-Fu Road, Hsinchu 300044, Taiwan. Tel.: +886 35742024; E-mail:
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12
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Strope TA, Wilkins HM. Amyloid precursor protein and mitochondria. Curr Opin Neurobiol 2023; 78:102651. [PMID: 36462447 PMCID: PMC9845182 DOI: 10.1016/j.conb.2022.102651] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Revised: 10/28/2022] [Accepted: 10/31/2022] [Indexed: 12/05/2022]
Abstract
Amyloid Precursor Protein (APP) processing to amyloid beta (Aβ) is a major hallmark of Alzheimer's disease (AD). The amyloid cascade hypothesis postulates that Aβ accumulation and aggregation causes AD, however many therapeutics targeting Aβ have failed recently. Decades of research describe metabolic deficits in AD. Mitochondrial dysfunction is observed in AD subjects within the brain and systemically. APP and γ-secretase are localized to mitochondria. APP can be processed within mitochondria and its localization to mitochondria affects function. Here we discuss the evidence showing APP and γ-secretase localize to mitochondria. We also discuss the implications for the function of APP and its cleavage products in regulating mitochondrial function.
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Affiliation(s)
- Taylor A Strope
- University of Kansas Alzheimer's Disease Center, Kansas City, KS, USA; Department of Biochemistry and Molecular Biology, University of Kansas Medical Center, Kansas City, KS, USA. https://twitter.com/OneDayDrTay
| | - Heather M Wilkins
- University of Kansas Alzheimer's Disease Center, Kansas City, KS, USA; Department of Biochemistry and Molecular Biology, University of Kansas Medical Center, Kansas City, KS, USA; Department of Neurology University of Kansas Medical Center, Kansas City, KS, USA.
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13
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Hereditary spastic paraplegia SPG13 mutation increases structural stability and ATPase activity of human mitochondrial chaperonin. Sci Rep 2022; 12:18321. [PMID: 36316435 PMCID: PMC9622745 DOI: 10.1038/s41598-022-21993-9] [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: 06/22/2022] [Accepted: 10/07/2022] [Indexed: 12/31/2022] Open
Abstract
Human mitochondrial chaperonin mHsp60 is broadly associated with various human health conditions and the V72I mutation in mHsp60 causes a form of hereditary spastic paraplegia, a neurodegenerative disease. The main function of mHsp60 is to assist folding of mitochondrial proteins in an ATP-dependent manner. In this study, we unexpectedly found that mutant mHsp60V72I was more stable structurally and more active in the ATPase activity than the wildtype. Analysis of our recently solved cryo-EM structure of mHsp60 revealed allosteric roles of V72I in structural stability and ATPase activity, which were supported by studies including those using the V72A mutation. Despite with the increases in structural stability and ATPase activity, mHsp60V72I was less efficient in folding malate dehydrogenase, a putative mHsp60 substrate protein in mitochondria and also commonly used in chaperonin studies. In addition, although mHsp60V72I along with its cochaperonin mHsp10 was able to substitute the E. coli chaperonin system in supporting cell growth under normal temperature of 37 °C, it was unable under heat shock temperature of 42 °C. Our results support the importance of structural dynamics and an optimal ATP turnover that mHsp60 has evolved for its function and physiology. We propose that unproductive energy utilization, or hyperactive ATPase activity and compromised folding function, not mutually exclusive, are responsible for the V72I pathology in neurodegenerative disease.
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14
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Ring J, Tadic J, Ristic S, Poglitsch M, Bergmann M, Radic N, Mossmann D, Liang Y, Maglione M, Jerkovic A, Hajiraissi R, Hanke M, Küttner V, Wolinski H, Zimmermann A, Domuz Trifunović L, Mikolasch L, Moretti DN, Broeskamp F, Westermayer J, Abraham C, Schauer S, Dammbrueck C, Hofer SJ, Abdellatif M, Grundmeier G, Kroemer G, Braun RJ, Hansen N, Sommer C, Ninkovic M, Seba S, Rockenfeller P, Vögtle F, Dengjel J, Meisinger C, Keller A, Sigrist SJ, Eisenberg T, Madeo F. The HSP40 chaperone Ydj1 drives amyloid beta 42 toxicity. EMBO Mol Med 2022; 14:e13952. [PMID: 35373908 PMCID: PMC9081910 DOI: 10.15252/emmm.202113952] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2021] [Revised: 02/12/2022] [Accepted: 02/15/2022] [Indexed: 01/22/2023] Open
Abstract
Amyloid beta 42 (Abeta42) is the principal trigger of neurodegeneration during Alzheimer's disease (AD). However, the etiology of its noxious cellular effects remains elusive. In a combinatory genetic and proteomic approach using a yeast model to study aspects of intracellular Abeta42 toxicity, we here identify the HSP40 family member Ydj1, the yeast orthologue of human DnaJA1, as a crucial factor in Abeta42-mediated cell death. We demonstrate that Ydj1/DnaJA1 physically interacts with Abeta42 (in yeast and mouse), stabilizes Abeta42 oligomers, and mediates their translocation to mitochondria. Consequently, deletion of YDJ1 strongly reduces co-purification of Abeta42 with mitochondria and prevents Abeta42-induced mitochondria-dependent cell death. Consistently, purified DnaJ chaperone delays Abeta42 fibrillization in vitro, and heterologous expression of human DnaJA1 induces formation of Abeta42 oligomers and their deleterious translocation to mitochondria in vivo. Finally, downregulation of the Ydj1 fly homologue, Droj2, improves stress resistance, mitochondrial morphology, and memory performance in a Drosophila melanogaster AD model. These data reveal an unexpected and detrimental role for specific HSP40s in promoting hallmarks of Abeta42 toxicity.
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15
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Bhatia S, Rawal R, Sharma P, Singh T, Singh M, Singh V. Mitochondrial Dysfunction in Alzheimer's Disease: Opportunities for Drug Development. Curr Neuropharmacol 2022; 20:675-692. [PMID: 33998995 PMCID: PMC9878959 DOI: 10.2174/1570159x19666210517114016] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2021] [Revised: 03/24/2021] [Accepted: 04/28/2021] [Indexed: 11/22/2022] Open
Abstract
Alzheimer's disease (AD) is one of the major reasons for 60-80% cases of senile dementia occurring as a result of the accumulation of plaques and tangles in the hippocampal and cortical neurons of the brain leading to neurodegeneration and cell death. The other pathological features of AD comprise abnormal microvasculature, network abnormalities, interneuronal dysfunction, increased β-amyloid production and reduced clearance, increased inflammatory response, elevated production of reactive oxygen species, impaired brain metabolism, hyperphosphorylation of tau, and disruption of acetylcholine signaling. Among all these pathologies, Mitochondrial Dysfunction (MD), regardless of it being an inciting insult or a consequence of the alterations, is related to all the associated AD pathologies. Observed altered mitochondrial morphology, distribution and movement, increased oxidative stress, dysregulation of enzymes involved in mitochondrial functioning, impaired brain metabolism, and impaired mitochondrial biogenesis in AD subjects suggest the involvement of mitochondrial malfunction in the progression of AD. Here, various pre-clinical and clinical evidence establishing MD as a key mediator in the progression of neurodegeneration in AD are reviewed and discussed with an aim to foster future MD based drug development research for the management of AD.
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Affiliation(s)
- Shiveena Bhatia
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Rishi Rawal
- School of Pharmaceutical Education and Research, Jamia Hamdard, New Delhi, India
| | - Pratibha Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Tanveer Singh
- Department of Pharmaceutical Sciences and Drug Research, Punjabi University, Patiala, Punjab, India
| | - Manjinder Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India;,Address correspondence to this author at the Chitkara College of Pharmacy, Chitkara University, Punjab, India; E-mails: ;
| | - Varinder Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India;,Address correspondence to this author at the Chitkara College of Pharmacy, Chitkara University, Punjab, India; E-mails: ;
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16
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Wankhede NL, Kale MB, Upaganlawar AB, Taksande BG, Umekar MJ, Behl T, Abdellatif AAH, Bhaskaran PM, Dachani SR, Sehgal A, Singh S, Sharma N, Makeen HA, Albratty M, Dailah HG, Bhatia S, Al-Harrasi A, Bungau S. Involvement of molecular chaperone in protein-misfolding brain diseases. Biomed Pharmacother 2022; 147:112647. [PMID: 35149361 DOI: 10.1016/j.biopha.2022.112647] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2021] [Revised: 01/03/2022] [Accepted: 01/12/2022] [Indexed: 12/19/2022] Open
Abstract
Protein misfolding causes aggregation and build-up in a variety of brain diseases. There are numeral molecules that are linked with the protein homeostasis mechanism. Molecular chaperones are one of such molecules that are responsible for protection against protein misfolded and aggregation-induced neurotoxicity. Many studies have explored the participation of molecular chaperones in Parkinson's disease, Alzheimer's disease, Amyotrophic lateral sclerosis, and Huntington's diseases. In this review, we highlighted the constructive role of molecular chaperones in neurological diseases characterized by protein misfolding and aggregation and their capability to control aberrant protein interactions at an early stage thus successfully suppressing pathogenic cascades. A comprehensive understanding of the protein misfolding associated with brain diseases and the molecular basis of involvement of chaperone against aggregation-induced cellular stress might lead to the progress of new therapeutic intrusion-related to protein misfolding and aggregation.
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Affiliation(s)
- Nitu L Wankhede
- Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra, India
| | - Mayur B Kale
- Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra, India
| | - Aman B Upaganlawar
- SNJB's Shriman Sureshdada Jain College of Pharmacy, Neminagar, Chandwad, Nasik, Maharashta, India
| | - Brijesh G Taksande
- Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra, India
| | - Milind J Umekar
- Smt. Kishoritai Bhoyar College of Pharmacy, Kamptee, Nagpur, Maharashtra, India
| | - Tapan Behl
- Chitkara College of Pharmacy, Chitkara University, Punjab, India.
| | - Ahmed A H Abdellatif
- Department of Pharmaceutics, College of Pharmacy, Qassim University, Buraydah, Saudi Arabia; Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmacy, Al-Azhar University, Assiut, Egypt
| | | | - Sudarshan Reddy Dachani
- Department of Pharmacy Practice & Pharmacology, College of Pharmacy, Shaqra University (Al-Dawadmi Campus), Al-Dawadmi, Saudi Arabia
| | - Aayush Sehgal
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Sukhbir Singh
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Neelam Sharma
- Chitkara College of Pharmacy, Chitkara University, Punjab, India
| | - Hafiz A Makeen
- Pharmacy Practice Research Unit, Clinical Pharmacy Department, College of Pharmacy, Jazan university, Jazan, Saudi Arabia
| | - Mohammed Albratty
- Department of Pharmaceutical Chemistry, College of Pharmacy, Jazan University, Jazan, Saudi Arabia
| | - Hamed Ghaleb Dailah
- Research and Scientific Studies Unit, College of Nursing, Jazan University, Jazan, Saudi Arabia
| | - Saurabh Bhatia
- Natural & Medical Sciences Research Center, University of Nizwa, Nizwa, Oman; School of Health Science, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
| | - Ahmed Al-Harrasi
- School of Health Science, University of Petroleum and Energy Studies, Dehradun, Uttarakhand, India
| | - Simona Bungau
- Department of Pharmacy, Faculty of Medicine and Pharmacy, University of Oradea, Oradea, Romania.
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17
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Bahr T, Katuri J, Liang T, Bai Y. Mitochondrial chaperones in human health and disease. Free Radic Biol Med 2022; 179:363-374. [PMID: 34780988 PMCID: PMC8893670 DOI: 10.1016/j.freeradbiomed.2021.11.015] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/10/2021] [Revised: 10/29/2021] [Accepted: 11/10/2021] [Indexed: 02/03/2023]
Abstract
Molecular chaperones are a family of proteins that maintain cellular protein homeostasis through non-covalent peptide folding and quality control mechanisms. The chaperone proteins found within mitochondria play significant protective roles in mitochondrial biogenesis, quality control, and stress response mechanisms. Defective mitochondrial chaperones have been implicated in aging, neurodegeneration, and cancer. In this review, we focus on the two most prominent mitochondrial chaperones: mtHsp60 and mtHsp70. These proteins demonstrate different cellular localization patterns, interact with different targets, and have different functional activities. We discuss the structure and function of these prominent mitochondrial chaperone proteins and give an update on newly discovered regulatory mechanisms and disease implications.
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Affiliation(s)
- Tyler Bahr
- Department of Cell Systems & Anatomy University of Texas Health San Antonio, 7703 Floyd Curl Dr, San Antonio, TX, 78229, USA
| | - Joshua Katuri
- Department of Cell Systems & Anatomy University of Texas Health San Antonio, 7703 Floyd Curl Dr, San Antonio, TX, 78229, USA
| | - Ting Liang
- Department of Cell Systems & Anatomy University of Texas Health San Antonio, 7703 Floyd Curl Dr, San Antonio, TX, 78229, USA
| | - Yidong Bai
- Department of Cell Systems & Anatomy University of Texas Health San Antonio, 7703 Floyd Curl Dr, San Antonio, TX, 78229, USA.
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18
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Van den Broek B, Wuyts C, Irobi J. Extracellular vesicle-associated small heat shock proteins as therapeutic agents in neurodegenerative diseases and beyond. Adv Drug Deliv Rev 2021; 179:114009. [PMID: 34673130 DOI: 10.1016/j.addr.2021.114009] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2021] [Revised: 09/11/2021] [Accepted: 10/12/2021] [Indexed: 12/12/2022]
Abstract
Increasing evidence points towards using extracellular vesicles (EVs) as a therapeutic strategy in neurodegenerative diseases such as multiple sclerosis, Parkinson's, and Alzheimer's disease. EVs are nanosized carriers that play an essential role in intercellular communication and cellular homeostasis by transporting an active molecular cargo, including a large variety of proteins. Recent publications demonstrate that small heat shock proteins (HSPBs) exhibit a beneficial role in neurodegenerative diseases. Moreover, it is defined that HSPBs target the autophagy and the apoptosis pathway, playing a prominent role in chaperone activity and cell survival. This review elaborates on the therapeutic potential of EVs and HSPBs, in particular HSPB1 and HSPB8, in neurodegenerative diseases. We conclude that EVs and HSPBs positively influence neuroinflammation, central nervous system (CNS) repair, and protein aggregation in CNS disorders. Moreover, we propose the use of HSPB-loaded EVs as advanced nanocarriers for the future development of neurodegenerative disease therapies.
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Affiliation(s)
- Bram Van den Broek
- Department of Immunology and Infection, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium
| | - Charlotte Wuyts
- Department of Immunology and Infection, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium
| | - Joy Irobi
- Department of Immunology and Infection, Biomedical Research Institute, Hasselt University, Diepenbeek, Belgium.
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19
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Hu D, Liu Z, Qi X. Mitochondrial Quality Control Strategies: Potential Therapeutic Targets for Neurodegenerative Diseases? Front Neurosci 2021; 15:746873. [PMID: 34867159 PMCID: PMC8633545 DOI: 10.3389/fnins.2021.746873] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2021] [Accepted: 10/19/2021] [Indexed: 12/30/2022] Open
Abstract
Many lines of evidence have indicated the therapeutic potential of rescuing mitochondrial integrity by targeting specific mitochondrial quality control pathways in neurodegenerative diseases, such as Parkinson's disease, Huntington's disease, and Alzheimer's disease. In addition to ATP synthesis, mitochondria are critical regulators of ROS production, lipid metabolism, calcium buffering, and cell death. The mitochondrial unfolded protein response, mitochondrial dynamics, and mitophagy are the three main quality control mechanisms responsible for maintaining mitochondrial proteostasis and bioenergetics. The proper functioning of these complex processes is necessary to surveil and restore mitochondrial homeostasis and the healthy pool of mitochondria in cells. Mitochondrial dysfunction occurs early and causally in disease pathogenesis. A significant accumulation of mitochondrial damage resulting from compromised quality control pathways leads to the development of neuropathology. Moreover, genetic or pharmaceutical manipulation targeting the mitochondrial quality control mechanisms can sufficiently rescue mitochondrial integrity and ameliorate disease progression. Thus, therapies that can improve mitochondrial quality control have great promise for the treatment of neurodegenerative diseases. In this review, we summarize recent progress in the field that underscores the essential role of impaired mitochondrial quality control pathways in the pathogenesis of neurodegenerative diseases. We also discuss the translational approaches targeting mitochondrial function, with a focus on the restoration of mitochondrial integrity, including mitochondrial dynamics, mitophagy, and mitochondrial proteostasis.
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Affiliation(s)
- Di Hu
- Department of Physiology and Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH, United States
| | - Zunren Liu
- Department of Biology, College of Arts and Sciences, Case Western Reserve University, Cleveland, OH, United States
| | - Xin Qi
- Department of Physiology and Biophysics, Case Western Reserve University School of Medicine, Cleveland, OH, United States
- Center for Mitochondrial Disease, Case Western Reserve University School of Medicine, Cleveland, OH, United States
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20
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Wang J, Napoli E, Kim K, McLennan YA, Hagerman RJ, Giulivi C. Brain Atrophy and White Matter Damage Linked to Peripheral Bioenergetic Deficits in the Neurodegenerative Disease FXTAS. Int J Mol Sci 2021; 22:9171. [PMID: 34502080 PMCID: PMC8431233 DOI: 10.3390/ijms22179171] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2021] [Revised: 08/16/2021] [Accepted: 08/23/2021] [Indexed: 11/16/2022] Open
Abstract
Fragile X-associated tremor/ataxia syndrome (FXTAS) is a neurodegenerative disorder affecting subjects (premutation carriers) with a 55-200 CGG-trinucleotide expansion in the 5'UTR of the fragile X mental retardation 1 gene (FMR1) typically after age 50. As both the presence of white matter hyperintensities (WMHs) and atrophied gray matter on magnetic resonance imaging (MRI) are linked to age-dependent decline in cognition, here we tested whether MRI outcomes (WMH volume (WMHV) and brain volume) were correlated with mitochondrial bioenergetics from peripheral blood monocytic cells in 87 carriers with and without FXTAS. As a parameter assessing cumulative damage, WMHV was correlated to both FXTAS stages and age, and brain volume discriminated between carriers and non-carriers. Similarly, mitochondrial mass and ATP production showed an age-dependent decline across all participants, but in contrast to WMHV, only FADH2-linked ATP production was significantly reduced in carriers vs. non-carriers. In carriers, WMHV negatively correlated with ATP production sustained by glucose-glutamine and FADH2-linked substrates, whereas brain volume was positively associated with the latter and mitochondrial mass. The observed correlations between peripheral mitochondrial bioenergetics and MRI findings-and the lack of correlations with FXTAS diagnosis/stages-may stem from early brain bioenergetic deficits even before overt FXTAS symptoms and/or imaging findings.
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Affiliation(s)
- Junyi Wang
- Center for Mind and Brain, University of California Davis, Davis, CA 95618, USA;
| | - Eleonora Napoli
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA;
| | - Kyoungmi Kim
- The MIND Institute, University of California Davis Medical Center, Sacramento, CA 95817, USA; (K.K.); (Y.A.M.)
- Department of Public Health Sciences, School of Medicine, University of California Davis, Sacramento, CA 95817, USA
| | - Yingratana A. McLennan
- The MIND Institute, University of California Davis Medical Center, Sacramento, CA 95817, USA; (K.K.); (Y.A.M.)
- Department of Pediatrics, University of California Davis Medical Center, Sacramento, CA 95817, USA
| | - Randi J. Hagerman
- The MIND Institute, University of California Davis Medical Center, Sacramento, CA 95817, USA; (K.K.); (Y.A.M.)
- Department of Pediatrics, University of California Davis Medical Center, Sacramento, CA 95817, USA
| | - Cecilia Giulivi
- Department of Molecular Biosciences, School of Veterinary Medicine, University of California Davis, Davis, CA 95616, USA;
- The MIND Institute, University of California Davis Medical Center, Sacramento, CA 95817, USA; (K.K.); (Y.A.M.)
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21
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Structural and Functional Alterations in Mitochondria-Associated Membranes (MAMs) and in Mitochondria Activate Stress Response Mechanisms in an In Vitro Model of Alzheimer's Disease. Biomedicines 2021; 9:biomedicines9080881. [PMID: 34440085 PMCID: PMC8389659 DOI: 10.3390/biomedicines9080881] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2021] [Revised: 07/21/2021] [Accepted: 07/21/2021] [Indexed: 12/15/2022] Open
Abstract
Alzheimer’s disease (AD) is characterized by the accumulation of extracellular plaques composed by amyloid-β (Aβ) and intracellular neurofibrillary tangles of hyperphosphorylated tau. AD-related neurodegenerative mechanisms involve early changes of mitochondria-associated endoplasmic reticulum (ER) membranes (MAMs) and impairment of cellular events modulated by these subcellular domains. In this study, we characterized the structural and functional alterations at MAM, mitochondria, and ER/microsomes in a mouse neuroblastoma cell line (N2A) overexpressing the human amyloid precursor protein (APP) with the familial Swedish mutation (APPswe). Proteins levels were determined by Western blot, ER-mitochondria contacts were quantified by transmission electron microscopy, and Ca2+ homeostasis and mitochondria function were analyzed using fluorescent probes and Seahorse assays. In this in vitro AD model, we found APP accumulated in MAM and mitochondria, and altered levels of proteins implicated in ER-mitochondria tethering, Ca2+ signaling, mitochondrial dynamics, biogenesis and protein import, as well as in the stress response. Moreover, we observed a decreased number of close ER-mitochondria contacts, activation of the ER unfolded protein response, reduced Ca2+ transfer from ER to mitochondria, and impaired mitochondrial function. Together, these results demonstrate that several subcellular alterations occur in AD-like neuronal cells, which supports that the defective ER-mitochondria crosstalk is an important player in AD physiopathology.
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22
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Niederschweiberer MA, Schaefer PM, Singh LN, Lausser L, Bhosale D, Hesse R, Calzia E, Kestler HA, Rueck A, Wallace DC, von Einem B, von Arnim CAF. NADH Fluorescence Lifetime Imaging Microscopy Reveals Selective Mitochondrial Dysfunction in Neurons Overexpressing Alzheimer's Disease-Related Proteins. Front Mol Biosci 2021; 8:671274. [PMID: 34195227 PMCID: PMC8236706 DOI: 10.3389/fmolb.2021.671274] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2021] [Accepted: 05/11/2021] [Indexed: 11/13/2022] Open
Abstract
Alzheimer's disease (AD), the most prevalent form of dementia, affects globally more than 30 million people suffering from cognitive deficits and neuropsychiatric symptoms. Substantial evidence for the involvement of mitochondrial dysfunction in the development and/or progression of AD has been shown in addition to the pathological hallmarks amyloid beta (Aβ) and tau. Still, the selective vulnerability and associated selective mitochondrial dysfunction cannot even be resolved to date. We aimed at optically quantifying mitochondrial function on a single-cell level in primary hippocampal neuron models of AD, unraveling differential involvement of cell and mitochondrial populations in amyloid precursor protein (APP)-associated mitochondrial dysfunction. NADH lifetime imaging is a highly sensitive marker-free method with high spatial resolution. However, deciphering cellular bioenergetics of complex cells like primary neurons has still not succeeded yet. To achieve this, we combined highly sensitive NADH lifetime imaging with respiratory inhibitor treatment, allowing characterization of mitochondrial function down to even the subcellular level in primary neurons. Measuring NADH lifetime of the same neuron before and after respiratory treatment reveals the metabolic delta, which can be taken as a surrogate for cellular redox capacity. Correlating NADH lifetime delta with overexpression strength of Aβ-related proteins on the single-cell level, we could verify the important role of intracellular Aβ-mediated mitochondrial toxicity. Subcellularly, we could demonstrate a higher respiration in neuronal somata in general than dendrites, but a similar impairment of somatic and dendritic mitochondria in our AD models. This illustrates the power of NADH lifetime imaging in revealing mitochondrial function on a single and even subcellular level and its potential to shed light into bioenergetic alterations in neuropsychiatric diseases and beyond.
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Affiliation(s)
- Moritz A Niederschweiberer
- Department of Neurology, Ulm University, Ulm, Germany.,Department of Neurology and Experimental Neurology, Charité - Universitätsmedizin Berlin, Corporate Member of Freie Universität Berlin and Humboldt-Universität zu Berlin, Berlin, Germany
| | - Patrick M Schaefer
- Department of Neurology, Ulm University, Ulm, Germany.,Center for Mitochondrial and Epigenomic Medicine, Children's Hospital of Philadelphia Research Institute, University of Pennsylvania, Philadelphia, PA, United States
| | - Larry N Singh
- Center for Mitochondrial and Epigenomic Medicine, Children's Hospital of Philadelphia Research Institute, University of Pennsylvania, Philadelphia, PA, United States
| | - Ludwig Lausser
- Institute of Medical Systems Biology, Ulm University, Ulm, Germany
| | - Devyani Bhosale
- Department of Pharmaceutical Sciences, Philadelphia College of Pharmacy, University of the Sciences, Philadelphia, PA, United States
| | - Raphael Hesse
- Department of Neurology, Ulm University, Ulm, Germany
| | - Enrico Calzia
- University Medical School, Institute of Anesthesiological Pathophysiology and Process Engineering, Ulm, Germany
| | - Hans A Kestler
- Institute of Medical Systems Biology, Ulm University, Ulm, Germany
| | - Angelika Rueck
- Core Facility Confocal and Multiphoton Microscopy, Ulm University, Ulm, Germany
| | - Douglas C Wallace
- Center for Mitochondrial and Epigenomic Medicine, Children's Hospital of Philadelphia Research Institute, University of Pennsylvania, Philadelphia, PA, United States.,Department of Pathology and Laboratory Medicine, University of Pennsylvania, Philadelphia, PA, United States
| | | | - Christine A F von Arnim
- Department of Neurology, Ulm University, Ulm, Germany.,Division of Geriatrics, University Medical Center Göttingen, Göttingen, Germany
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23
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Podvin S, Jones A, Liu Q, Aulston B, Mosier C, Ames J, Winston C, Lietz CB, Jiang Z, O’Donoghue AJ, Ikezu T, Rissman RA, Yuan SH, Hook V. Mutant Presenilin 1 Dysregulates Exosomal Proteome Cargo Produced by Human-Induced Pluripotent Stem Cell Neurons. ACS OMEGA 2021; 6:13033-13056. [PMID: 34056454 PMCID: PMC8158845 DOI: 10.1021/acsomega.1c00660] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/04/2021] [Accepted: 04/16/2021] [Indexed: 05/28/2023]
Abstract
The accumulation and propagation of hyperphosphorylated tau (p-Tau) is a neuropathological hallmark occurring with neurodegeneration of Alzheimer's disease (AD). Extracellular vesicles, exosomes, have been shown to initiate tau propagation in the brain. Notably, exosomes from human-induced pluripotent stem cell (iPSC) neurons expressing the AD familial A246E mutant form of presenilin 1 (mPS1) are capable of inducing tau deposits in the mouse brain after in vivo injection. To gain insights into the exosome proteome cargo that participates in propagating tau pathology, this study conducted proteomic analysis of exosomes produced by human iPSC neurons expressing A246E mPS1. Significantly, mPS1 altered the profile of exosome cargo proteins to result in (1) proteins present only in mPS1 exosomes and not in controls, (2) the absence of proteins in the mPS1 exosomes which were present only in controls, and (3) shared proteins which were upregulated or downregulated in the mPS1 exosomes compared to controls. These results show that mPS1 dysregulates the proteome cargo of exosomes to result in the acquisition of proteins involved in the extracellular matrix and protease functions, deletion of proteins involved in RNA and protein translation systems along with proteasome and related functions, combined with the upregulation and downregulation of shared proteins, including the upregulation of amyloid precursor protein. Notably, mPS1 neuron-derived exosomes displayed altered profiles of protein phosphatases and kinases involved in regulating the status of p-tau. The dysregulation of exosome cargo proteins by mPS1 may be associated with the ability of mPS1 neuron-derived exosomes to propagate tau pathology.
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Affiliation(s)
- Sonia Podvin
- Skaggs
School of Pharmacy and Pharmaceutical Sciences, University of California San Diego,
La Jolla, San Diego 92093, California, United States
| | - Alexander Jones
- Biomedical
Sciences Graduate Program, University of
California, San Diego, La Jolla, San Diego 92093, California, United States
| | - Qing Liu
- Department
of Neurosciences, School of Medicine, University
of California, San Diego, La Jolla, San Diego 92093, California, United States
| | - Brent Aulston
- Department
of Neurosciences, School of Medicine, University
of California, San Diego, La Jolla, San Diego 92093, California, United States
| | - Charles Mosier
- Skaggs
School of Pharmacy and Pharmaceutical Sciences, University of California San Diego,
La Jolla, San Diego 92093, California, United States
| | - Janneca Ames
- Skaggs
School of Pharmacy and Pharmaceutical Sciences, University of California San Diego,
La Jolla, San Diego 92093, California, United States
| | - Charisse Winston
- Department
of Neurosciences, School of Medicine, University
of California, San Diego, La Jolla, San Diego 92093, California, United States
| | - Christopher B. Lietz
- Skaggs
School of Pharmacy and Pharmaceutical Sciences, University of California San Diego,
La Jolla, San Diego 92093, California, United States
| | - Zhenze Jiang
- Skaggs
School of Pharmacy and Pharmaceutical Sciences, University of California San Diego,
La Jolla, San Diego 92093, California, United States
| | - Anthony J. O’Donoghue
- Skaggs
School of Pharmacy and Pharmaceutical Sciences, University of California San Diego,
La Jolla, San Diego 92093, California, United States
| | - Tsuneya Ikezu
- Department
of Pharmacology and Experimental Therapeutics, Department of Neurology,
Alzheimer’s Disease Research Center, Boston University, School of Medicine, Boston 02118, Massachusetts, United States
| | - Robert A. Rissman
- Department
of Neurosciences, School of Medicine, University
of California, San Diego, La Jolla, San Diego 92093, California, United States
- Veterans
Affairs San Diego Healthcare System,
La Jolla, San Diego 92161, California, United States
| | - Shauna H. Yuan
- Department
of Neurosciences, School of Medicine, University
of California, San Diego, La Jolla, San Diego 92093, California, United States
| | - Vivian Hook
- Skaggs
School of Pharmacy and Pharmaceutical Sciences, University of California San Diego,
La Jolla, San Diego 92093, California, United States
- Biomedical
Sciences Graduate Program, University of
California, San Diego, La Jolla, San Diego 92093, California, United States
- Department
of Neurosciences, School of Medicine, University
of California, San Diego, La Jolla, San Diego 92093, California, United States
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24
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Abyadeh M, Gupta V, Chitranshi N, Gupta V, Wu Y, Saks D, Wander Wall R, Fitzhenry MJ, Basavarajappa D, You Y, Salekdeh GH, Haynes PA, Graham SL, Mirzaei M. Mitochondrial dysfunction in Alzheimer's disease - a proteomics perspective. Expert Rev Proteomics 2021; 18:295-304. [PMID: 33874826 DOI: 10.1080/14789450.2021.1918550] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Mitochondrial dysfunction is involved in Alzheimer's disease (AD) pathogenesis. Mitochondria have their own genetic material; however, most of their proteins (∼99%) are synthesized as precursors on cytosolic ribosomes, and then imported into the mitochondria. Therefore, exploring proteome changes in these organelles can yield valuable information and shed light on the molecular mechanisms underlying mitochondrial dysfunction in AD. Here, we review AD-associated mitochondrial changes including the effects of amyloid beta and tau protein accumulation on the mitochondrial proteome. We also discuss the relationship of ApoE genetic polymorphism with mitochondrial changes, and present a meta-analysis of various differentially expressed proteins in the mitochondria in AD.Area covered: Proteomics studies and their contribution to our understanding of mitochondrial dysfunction in AD pathogenesis.Expert opinion: Proteomics has proven to be an efficient tool to uncover various aspects of this complex organelle, which will broaden our understanding of mitochondrial dysfunction in AD. Evidently, mitochondrial dysfunction is an early biochemical event that might play a central role in driving AD pathogenesis.
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Affiliation(s)
- Morteza Abyadeh
- Cell Science Research Center, Department of Molecular Systems Biology, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran Iran
| | - Vivek Gupta
- Department of Clinical Medicine, Macquarie University, Macquarie Park, NSW, Australia
| | - Nitin Chitranshi
- Department of Clinical Medicine, Macquarie University, Macquarie Park, NSW, Australia
| | - Veer Gupta
- School of Medicine, Deakin University, VIC, Australia
| | - Yunqi Wu
- Australian Proteome Analysis Facility, Macquarie University, Macquarie Park, NSW Australia
| | - Danit Saks
- Department of Clinical Medicine, Macquarie University, Macquarie Park, NSW, Australia
| | - Roshana Wander Wall
- Department of Clinical Medicine, Macquarie University, Macquarie Park, NSW, Australia
| | - Matthew J Fitzhenry
- Australian Proteome Analysis Facility, Macquarie University, Macquarie Park, NSW Australia
| | - Devaraj Basavarajappa
- Department of Clinical Medicine, Macquarie University, Macquarie Park, NSW, Australia
| | - Yuyi You
- Department of Clinical Medicine, Macquarie University, Macquarie Park, NSW, Australia
| | - Ghasem H Salekdeh
- Department of Molecular Sciences, Macquarie University, Macquarie Park, NSW, Australia
| | - Paul A Haynes
- Department of Molecular Sciences, Macquarie University, Macquarie Park, NSW, Australia
| | - Stuart L Graham
- Department of Clinical Medicine, Macquarie University, Macquarie Park, NSW, Australia
| | - Mehdi Mirzaei
- Department of Clinical Medicine, Macquarie University, Macquarie Park, NSW, Australia
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25
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Systematic review and meta-analysis on the role of mitochondrial cytochrome c oxidase in Alzheimer's disease. Acta Neuropsychiatr 2021; 33:55-64. [PMID: 33256871 DOI: 10.1017/neu.2020.43] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
OBJECTIVE The present study was designed to test the hypothesis that there is a reduction in the activity of the enzyme cytochrome c oxidase (Cox) in Alzheimer's disease (AD). METHODS Systematic review of literature and meta-analysis were used with data obtained from the PubMed, Scopus, MEDLINE, Lilacs, Eric and Cochrane. The keywords were Alzheimer's AND Cox AND mitochondria; Alzheimer's AND Cox AND mitochondria; Alzheimer's AND complex IV AND mitochondria. A total of 1372 articles were found, 23 of them fitting the inclusion criteria. The data were assembled in an Excel spreadsheet and analysed using the RevMan software. A random effects model was adopted to the estimative of the effect. RESULTS The data shows a significant decrease in the activity of the Cox AD patients and animal models. CONCLUSION Cox enzyme may be an important molecular component involved in the mechanisms underlying AD. Therefore, this enzyme may represent a possible new biomarker for the disease as a complementary diagnosis and a new treatment target for AD.
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26
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Wells C, Brennan S, Keon M, Ooi L. The role of amyloid oligomers in neurodegenerative pathologies. Int J Biol Macromol 2021; 181:582-604. [PMID: 33766600 DOI: 10.1016/j.ijbiomac.2021.03.113] [Citation(s) in RCA: 42] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2020] [Revised: 02/18/2021] [Accepted: 03/19/2021] [Indexed: 11/25/2022]
Abstract
Many neurodegenerative diseases are rooted in the activities of amyloid-like proteins which possess conformations that spread to healthy proteins. These include Alzheimer's disease (AD), Parkinson's disease (PD), Huntington's disease (HD) and amyotrophic lateral sclerosis (ALS). While their clinical manifestations vary, their protein-level mechanisms are remarkably similar. Aberrant monomeric proteins undergo conformational shifts, facilitating aggregation and formation of solid fibrils. However, there is growing evidence that intermediate oligomeric stages are key drivers of neuronal toxicity. Analysis of protein dynamics is complicated by the fact that nucleation and growth of amyloid-like proteins is not a linear pathway. Feedback within this pathway results in exponential acceleration of aggregation, but activities exerted by oligomers and fibrils can alter cellular interactions and the cellular environment as a whole. The resulting cascade of effects likely contributes to the late onset and accelerating progression of amyloid-like protein disorders and the widespread effects they have on the body. In this review we explore the amyloid-like proteins associated with AD, PD, HD and ALS, as well as the common mechanisms of amyloid-like protein nucleation and aggregation. From this, we identify core elements of pathological progression which have been targeted for therapies, and which may become future therapeutic targets.
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Affiliation(s)
- Cameron Wells
- GenieUs Genomics, Sydney, NSW 2010, Australia; University of New South Wales, Sydney, NSW 2052, Australia
| | | | - Matt Keon
- GenieUs Genomics, Sydney, NSW 2010, Australia
| | - Lezanne Ooi
- Illawarra Health and Medical Research Institute, Wollongong, NSW 2522, Australia; School of Chemistry and Molecular Bioscience, and Molecular Horizons, University of Wollongong, Wollongong, NSW 2522, Australia; GenieUs Genomics, Sydney, NSW 2010, Australia
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27
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Mandal JP, Shiue CN, Chen YC, Lee MC, Yang HH, Chang HH, Hu CT, Liao PC, Hui LC, You RI, Wu WS. PKCδ mediates mitochondrial ROS generation and oxidation of HSP60 to relieve RKIP inhibition on MAPK pathway for HCC progression. Free Radic Biol Med 2021; 163:69-87. [PMID: 33307168 DOI: 10.1016/j.freeradbiomed.2020.12.003] [Citation(s) in RCA: 30] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 11/25/2020] [Accepted: 12/01/2020] [Indexed: 12/15/2022]
Abstract
Both protein kinase C (PKC) and reactive oxygen species (ROS) are well-known signaling messengers cross-talking with each other to activate mitogen-activated protein kinases (MAPKs) for progression of hepatocellular carcinoma (HCC). However, the underlying mechanisms are not well elucidated. Especially, whether mitochondrial ROS (mtROS) is involved and how it triggers MAPK signaling are intriguing. In this study, we found mtROS generation and phosphorylation of MAPKs were mediated by PKCδ in HCCs treated with the tumor promoter 12-O-tetradecanoyl-phorbol-13-acetate (TPA). Heat shock protein 60 (HSP60), one of the chaperones in mitochondria was the major protein oxidized in TPA-treated HCCs. Moreover, depletion of HSP60 or expression of HSP60 cysteine mutant prevented TPA-induced phosphorylation of MAPKs. To delineate how HSP60 mediated MAPK activation, the role of Raf kinase inhibitor protein (RKIP), a negative regulator of MAPK, was investigated. TPA dissociated RKIP from HSP60 in both mitochondria and cytosol, concurrently with translocation of HSP60 and MAPK from mitochondria to cytosol, which was associated with robust phosphorylation of MAPKs in the cytosol. Moreover, TPA induced opposite phenotypical changes of HCCs, G1 cell cycle arrest, and cell migration, which were prevented by mtROS scavengers and depletion of PKCδ and HSP60. Consistently, TPA increased the migration-related genes, hydrogen peroxide inducible clone5, matrix metalloproteinase-1/3, lamininγ2, and suppressed the cell cycle regulator cyclin E1 (CCNE1) via PKCδ/mtROS/HSP60/MAPK-axis. Finally, c-jun and c-fos were required for TPA-induced expression of the migration-related genes and a novel microRNA, miR-6134, was responsible for TPA-induced suppression of CCNE1. In conclusion, PKCδ cross-talked with mtROS to trigger HSP60 oxidation for release of RKIP to activate MAPK, regulating gene expression for migration, and G1 cell cycle arrest in HCC. Targeted therapy aiming at key players like PKCδ, RKIP, and HSP60 is promising for preventing HCC progression.
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Affiliation(s)
| | - Chiou-Nan Shiue
- Department of Molecular Biology and Human Genetics, Tzu-Chi University, Hualien, Taiwan.
| | - Yen-Cheng Chen
- Division of General Surgery, Department of Surgery, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical foundation, Hualien, Taiwan; School of Medicine, Tzu Chi University, Hualien, Taiwan.
| | - Ming-Che Lee
- Division of General Surgery, Department of Surgery, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical foundation, Hualien, Taiwan; School of Medicine, Tzu Chi University, Hualien, Taiwan.
| | - Hsueh-Hui Yang
- Department of Medical Research, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical Foundation, Hualien, 970, Taiwan.
| | - Hsin-Hou Chang
- Institute of Medical Sciences, Tzu Chi University, Hualien, Taiwan; Department of Molecular Biology and Human Genetics, Tzu-Chi University, Hualien, Taiwan.
| | - Chi-Tan Hu
- Institute of Medical Sciences, Tzu Chi University, Hualien, Taiwan; Division of Gastroenterology, Department of Medicine, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical foundation, Hualien, Taiwan; Research Centre for Hepatology, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical foundation, Hualien, Taiwan.
| | - Pei-Chen Liao
- Department of Molecular Biology and Human Genetics, Tzu-Chi University, Hualien, Taiwan.
| | - Lin-Ching Hui
- Department of Laboratory Medicine and Biotechnology, College of Medicine, Tzu Chi University, Hualien, Taiwan.
| | - Ren-In You
- Department of Laboratory Medicine and Biotechnology, College of Medicine, Tzu Chi University, Hualien, Taiwan.
| | - Wen-Sheng Wu
- Division of General Surgery, Department of Surgery, Hualien Tzu Chi Hospital, Buddhist Tzu Chi Medical foundation, Hualien, Taiwan; Department of Laboratory Medicine and Biotechnology, College of Medicine, Tzu Chi University, Hualien, Taiwan.
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28
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Amodeo GF, Pavlov EV. Amyloid β, α-synuclein and the c subunit of the ATP synthase: Can these peptides reveal an amyloidogenic pathway of the permeability transition pore? BIOCHIMICA ET BIOPHYSICA ACTA-BIOMEMBRANES 2020; 1863:183531. [PMID: 33309700 DOI: 10.1016/j.bbamem.2020.183531] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Revised: 10/26/2020] [Accepted: 11/09/2020] [Indexed: 01/29/2023]
Abstract
Mitochondrial Permeability Transition (PT) is a phenomenon of increased permeability of the inner mitochondrial membrane in response to high levels of Ca2+ and/or reactive oxygen species (ROS) in the matrix. PT occurs upon the opening of a pore, namely the permeability transition pore (PTP), which dissipates the membrane potential uncoupling the respiratory chain. mPT activation and PTP formation can occur through multiple molecular pathways. The specific focus of this review is to discuss the possible molecular mechanisms of PTP that involve the participation of mitochondrially targeted amyloid peptides Aβ, α-synuclein and c subunit of the ATP synthase (ATPase). As activators of PTP, amyloid peptides are uniquely different from other activators because they are capable of forming channels in lipid bilayers. This property rises the possibility that in this permeabilization pathway the formation of the channel involves the direct participation of peptides, making it uniquely different from other PTP induction mechanisms. In this pathway, a critical step of PTP activation involves the import of amyloidogenic peptides from the cytosol into the matrix. In the matrix these peptides, which would fold into α-helical structure in native conditions, interact with cyclophilin D (CypD) and upon stimulation by elevated ROS and/or the Ca2+ spontaneously misfold into β-sheet ion conducting pores, causing PTP opening.
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Affiliation(s)
- Giuseppe F Amodeo
- Department of Molecular Pathobiology, New York University, United States of America.
| | - Evgeny V Pavlov
- Department of Molecular Pathobiology, New York University, United States of America.
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29
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Xu H, Zhou W, Zhan L, Sui H, Zhang L, Zhao C, Lu X. The ZiBuPiYin recipe regulates proteomic alterations in brain mitochondria-associated ER membranes caused by chronic psychological stress exposure: Implications for cognitive decline in Zucker diabetic fatty rats. Aging (Albany NY) 2020; 12:23698-23726. [PMID: 33221746 PMCID: PMC7762487 DOI: 10.18632/aging.103894] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Accepted: 07/23/2020] [Indexed: 01/10/2023]
Abstract
Chronic psychological stress (PS) cumulatively affects memory performance through the deleterious effects on hypothalamic-pituitary-adrenal axis regulation. Several functions damaged in cognitive impairment-related diseases are regulated by mitochondria-associated ER membranes (MAMs). To elucidate the role of ZiBuPiYin recipe (ZBPYR) in regulating the MAM proteome to improve PS-induced diabetes-associated cognitive decline (PSD), differentially expressed MAM proteins were identified among Zucker diabetic fatty rats, PSD rats, and PS combined with ZBPYR administration rats via iTRAQ with LC-MS/MS. Proteomic analysis revealed that the expressions of 85 and 33 proteins were altered by PS and ZBPYR treatment, respectively. Among these, 21 proteins were differentially expressed under both PS and ZBPYR treatments, whose functional categories included energy metabolism, lipid and protein metabolism, and synaptic dysfunction. Furthermore, calcium signaling and autophagy-related proteins may play roles in the pathogenesis of PSD and the mechanism of ZBPYR, respectively. Notably, KEGG pathway analysis suggested that ‘Alzheimer's disease’ and ‘oxidative phosphorylation’ pathways may be impaired in PSD pathogenesis, while ZBPYR could play a neuroprotective role through regulating the above pathways. Overall, exposure to chronic PS contributes to the evolution of diabetes-associated cognitive decline and ZBPYR might prevent and treat PSD by regulating the MAM proteome.
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Affiliation(s)
- Huiying Xu
- Modern Research Laboratory of Spleen Visceral Manifestations Theory, School of Traditional Chinese Medicine and School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Wen Zhou
- Modern Research Laboratory of Spleen Visceral Manifestations Theory, School of Traditional Chinese Medicine and School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Libin Zhan
- Modern Research Laboratory of Spleen Visceral Manifestations Theory, School of Traditional Chinese Medicine and School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Hua Sui
- Institute of Integrative Medicine, Dalian Medical University, Dalian 116044, China
| | - Lijing Zhang
- Modern Research Laboratory of Spleen Visceral Manifestations Theory, School of Traditional Chinese Medicine and School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Chunyan Zhao
- Modern Research Laboratory of Spleen Visceral Manifestations Theory, School of Traditional Chinese Medicine and School of Integrated Chinese and Western Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China
| | - Xiaoguang Lu
- Department of Emergency Medicine, Zhongshan Hospital, Dalian University, Dalian 116001, China
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30
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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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31
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Vezzani B, Carinci M, Patergnani S, Pasquin MP, Guarino A, Aziz N, Pinton P, Simonato M, Giorgi C. The Dichotomous Role of Inflammation in the CNS: A Mitochondrial Point of View. Biomolecules 2020; 10:E1437. [PMID: 33066071 PMCID: PMC7600410 DOI: 10.3390/biom10101437] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2020] [Revised: 10/07/2020] [Accepted: 10/10/2020] [Indexed: 12/14/2022] Open
Abstract
Innate immune response is one of our primary defenses against pathogens infection, although, if dysregulated, it represents the leading cause of chronic tissue inflammation. This dualism is even more present in the central nervous system, where neuroinflammation is both important for the activation of reparatory mechanisms and, at the same time, leads to the release of detrimental factors that induce neurons loss. Key players in modulating the neuroinflammatory response are mitochondria. Indeed, they are responsible for a variety of cell mechanisms that control tissue homeostasis, such as autophagy, apoptosis, energy production, and also inflammation. Accordingly, it is widely recognized that mitochondria exert a pivotal role in the development of neurodegenerative diseases, such as multiple sclerosis, Parkinson's and Alzheimer's diseases, as well as in acute brain damage, such in ischemic stroke and epileptic seizures. In this review, we will describe the role of mitochondria molecular signaling in regulating neuroinflammation in central nervous system (CNS) diseases, by focusing on pattern recognition receptors (PRRs) signaling, reactive oxygen species (ROS) production, and mitophagy, giving a hint on the possible therapeutic approaches targeting mitochondrial pathways involved in inflammation.
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Affiliation(s)
- Bianca Vezzani
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (B.V.); (M.C.); (S.P.); (M.P.P.); (P.P.)
- Laboratory of Technologies for Advanced Therapy (LTTA), Technopole of Ferrara, 44121 Ferrara, Italy; (A.G.); (N.A.); (M.S.)
| | - Marianna Carinci
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (B.V.); (M.C.); (S.P.); (M.P.P.); (P.P.)
- Laboratory of Technologies for Advanced Therapy (LTTA), Technopole of Ferrara, 44121 Ferrara, Italy; (A.G.); (N.A.); (M.S.)
| | - Simone Patergnani
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (B.V.); (M.C.); (S.P.); (M.P.P.); (P.P.)
- Laboratory of Technologies for Advanced Therapy (LTTA), Technopole of Ferrara, 44121 Ferrara, Italy; (A.G.); (N.A.); (M.S.)
| | - Matteo P. Pasquin
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (B.V.); (M.C.); (S.P.); (M.P.P.); (P.P.)
- Laboratory of Technologies for Advanced Therapy (LTTA), Technopole of Ferrara, 44121 Ferrara, Italy; (A.G.); (N.A.); (M.S.)
| | - Annunziata Guarino
- Laboratory of Technologies for Advanced Therapy (LTTA), Technopole of Ferrara, 44121 Ferrara, Italy; (A.G.); (N.A.); (M.S.)
- Department of BioMedical and Specialist Surgical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Nimra Aziz
- Laboratory of Technologies for Advanced Therapy (LTTA), Technopole of Ferrara, 44121 Ferrara, Italy; (A.G.); (N.A.); (M.S.)
- Department of BioMedical and Specialist Surgical Sciences, University of Ferrara, 44121 Ferrara, Italy
| | - Paolo Pinton
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (B.V.); (M.C.); (S.P.); (M.P.P.); (P.P.)
- Laboratory of Technologies for Advanced Therapy (LTTA), Technopole of Ferrara, 44121 Ferrara, Italy; (A.G.); (N.A.); (M.S.)
- Maria Cecilia Hospital, GVM Care & Research, 48033 Cotignola (RA), Italy
| | - Michele Simonato
- Laboratory of Technologies for Advanced Therapy (LTTA), Technopole of Ferrara, 44121 Ferrara, Italy; (A.G.); (N.A.); (M.S.)
- Department of BioMedical and Specialist Surgical Sciences, University of Ferrara, 44121 Ferrara, Italy
- School of Medicine, University Vita-Salute San Raffaele, 20132 Milan, Italy
| | - Carlotta Giorgi
- Department of Medical Sciences, University of Ferrara, 44121 Ferrara, Italy; (B.V.); (M.C.); (S.P.); (M.P.P.); (P.P.)
- Laboratory of Technologies for Advanced Therapy (LTTA), Technopole of Ferrara, 44121 Ferrara, Italy; (A.G.); (N.A.); (M.S.)
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Muralidar S, Ambi SV, Sekaran S, Thirumalai D, Palaniappan B. Role of tau protein in Alzheimer's disease: The prime pathological player. Int J Biol Macromol 2020; 163:1599-1617. [PMID: 32784025 DOI: 10.1016/j.ijbiomac.2020.07.327] [Citation(s) in RCA: 93] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2020] [Revised: 07/07/2020] [Accepted: 07/31/2020] [Indexed: 01/11/2023]
Abstract
Alzheimer's disease (AD) is a prevalently found tauopathy characterized by memory loss and cognitive insufficiency. AD is an age-related neurodegenerative disease with two major hallmarks which includes extracellular amyloid plaques made of amyloid-β (Aβ) and intracellular neurofibrillary tangles of hyperphosphorylated tau. With population aging worldwide, there is an indispensable need for treatment strategies that can potentially manage this developing dementia. Despite broad researches on targeting Aβ in the past two decades, research findings on Aβ targeted therapeutics failed to prove efficacy in the treatment of AD. Tau protein with its extensive pathological role in several neurodegenerative diseases can be considered as a promising target candidate for developing therapeutic interventions. The abnormal hyperphosphorylation of tau plays detrimental pathological functions which ultimately lead to neurodegeneration. This review will divulge the importance of tau in AD pathogenesis, the interplay of Aβ and tau, the pathological functions of tau, and potential therapeutic strategies for an effective management of neuronal disorders.
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Affiliation(s)
- Shibi Muralidar
- School of Chemical and Biotechnology, SASTRA Deemed-to-be-University, Thanjavur 613401, Tamil Nadu, India
| | - Senthil Visaga Ambi
- School of Chemical and Biotechnology, SASTRA Deemed-to-be-University, Thanjavur 613401, Tamil Nadu, India.
| | - Saravanan Sekaran
- School of Chemical and Biotechnology, SASTRA Deemed-to-be-University, Thanjavur 613401, Tamil Nadu, India; Centre for Nanotechnology & Advanced Biomaterials (CeNTAB), School of Chemical and Biotechnology, SASTRA Deemed-to-be-University, Thanjavur 613401, Tamil Nadu, India
| | - Diraviyam Thirumalai
- School of Chemical and Biotechnology, SASTRA Deemed-to-be-University, Thanjavur 613401, Tamil Nadu, India
| | - Balamurugan Palaniappan
- School of Chemical and Biotechnology, SASTRA Deemed-to-be-University, Thanjavur 613401, Tamil Nadu, India
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Shimizu T, Kozuka Y, Kusano M, Nagane M, Yamashita T, Hachiya N. PrP (122-139) is a covert mitochondrial targeting signal of prion protein and it specifically triggers the perinuclear clustering of mitochondria in neuronal culture cells. Biochem Biophys Res Commun 2020; 524:301-307. [PMID: 31987501 DOI: 10.1016/j.bbrc.2020.01.099] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2019] [Accepted: 01/17/2020] [Indexed: 12/12/2022]
Abstract
In many neurodegenerative diseases, mitochondria are actively involved in the onset and/or progression of diseases because the energy depletion of the neuronal cells directly leads to the dysfunction and degeneration of cells. In the case of prion diseases, mitochondrial involvement has been reported recently and evidence that prion protein (PrP) is localized in mitochondria is increasing. Despite these findings, the precise molecular mechanism by which PrP targets mitochondria remains unclear. PrP is a secretory protein and does not have a pre-sequence that targets the mitochondria, therefore, we thought that there was a covert signal in the amino acid sequence of PrP. To find the sequence, we constructed various GFP-fused PrP-truncations and colocalization with mitochondria was verified by live-cell imaging. Consequently, we found that 18 amino acids, PrP (122-139), are indispensable for the mitochondrial targeting of PrP. In addition, fluorescent microscopy observation revealed that PrP-localized mitochondria were accumulated at the perinuclear region in neuronal cells such as mouse neuroblastoma Neuro2a (N2a) and prion persistent infection N2a strain (ScN2a), anterograde movement of the mitochondria toward the cell membrane was completely inhibited because of the stacking of PrP on the outer membrane. The cristae formation of perinuclear accumulated mitochondria was disappeared indicating the reduced mitochondrial activity. Surprisingly, PrP-dependent mitochondrial perinuclear accumulation was specifically occurred on neuronal cells, whereas in epithelial HeLa cells and fibroblast COS-7 cells, no perinuclear accumulation observed even after the mitochondrial targeting of PrP.
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Affiliation(s)
- Takuto Shimizu
- Laboratory of Biochemistry, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamiharas-shi, Kanagawa, 252-5201, Japan; Tokyo Metropolitan Industrial Technology Research Institute, 2-4-10 Aomi, Koto-ku, Tokyo, 135-0064, Japan
| | - Yoshimichi Kozuka
- Shinku Device, Co. Ltd., 1285-5 Iijima-Cho, Mito, Ibaraki, 311-4155, Japan
| | - Mayumi Kusano
- Joyful Life, Inc., 4-5 Kojimachi, Chiyoda-ku, Tokyo, 102-0083, Japan
| | - Masaki Nagane
- Laboratory of Biochemistry, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamiharas-shi, Kanagawa, 252-5201, Japan
| | - Tadashi Yamashita
- Laboratory of Biochemistry, School of Veterinary Medicine, Azabu University, 1-17-71 Fuchinobe, Chuo-ku, Sagamiharas-shi, Kanagawa, 252-5201, Japan
| | - Naomi Hachiya
- Tokyo Metropolitan Industrial Technology Research Institute, 2-4-10 Aomi, Koto-ku, Tokyo, 135-0064, Japan.
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Feng L, Zhang L. Resveratrol Suppresses Aβ-Induced Microglial Activation Through the TXNIP/TRX/NLRP3 Signaling Pathway. DNA Cell Biol 2019; 38:874-879. [PMID: 31215797 DOI: 10.1089/dna.2018.4308] [Citation(s) in RCA: 40] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Affiliation(s)
- Lifang Feng
- Department of Infection Management, Wuhan University, Renmin Hospital, Wuhan, Hubei Province, People's Republic of China
| | - Lingli Zhang
- Department of Pharmacy, Wuhan University, Renmin Hospital, Wuhan, Hubei Province, People's Republic of China
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35
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Marino C, Krishnan B, Cappello F, Taglialatela G. Hsp60 Protects against Amyloid β Oligomer Synaptic Toxicity via Modification of Toxic Oligomer Conformation. ACS Chem Neurosci 2019; 10:2858-2867. [PMID: 31091411 DOI: 10.1021/acschemneuro.9b00086] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Alzheimer's disease (AD) is the leading cause of dementia worldwide. While the etiology of AD remains uncertain, neurotoxic effects of amyloid beta oligomers (Aβo) on synaptic function, a well-established early event in AD, is an attractive area for the development of novel strategies to modify or cease the disease's progression. In this work, we tested the protective action of the mitochondrial chaperone Hsp60 against Aβo neurotoxicity, by determining the direct effect of Hsp60 in changing Aβo toxic conformations and thus reducing their dysfunctional synaptic binding and consequent suppression of long-term potentiation. Our data suggest that Hsp60 has a direct impact on Aβo, resulting in a reduction of cytotoxicity and rescue of Aβo-driven synaptic damage, thus proposing Hsp60 as an attractive therapeutic target candidate.
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Affiliation(s)
- Claudia Marino
- Mitchell Center for Neurodegenerative Diseases, Department of Neurology, University of Texas Medical Branch, Galveston, Texas 77555-1045 United States
- Department of Biomedicine, Neuroscience and Advanced Diagnostics, University of Palermo, 90127 Palermo, Italy
| | - Balaji Krishnan
- Mitchell Center for Neurodegenerative Diseases, Department of Neurology, University of Texas Medical Branch, Galveston, Texas 77555-1045 United States
| | - Francesco Cappello
- Department of Biomedicine, Neuroscience and Advanced Diagnostics, University of Palermo, 90127 Palermo, Italy
| | - Giulio Taglialatela
- Mitchell Center for Neurodegenerative Diseases, Department of Neurology, University of Texas Medical Branch, Galveston, Texas 77555-1045 United States
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36
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Mitochondrial Dysfunction in Alzheimer’s Disease and Progress in Mitochondria-Targeted Therapeutics. Curr Behav Neurosci Rep 2019. [DOI: 10.1007/s40473-019-00179-0] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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37
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Yu H, Jiang X, Lin X, Zhang Z, Wu D, Zhou L, Liu J, Yang X. Hippocampal Subcellular Organelle Proteomic Alteration of Copper-Treated Mice. Toxicol Sci 2019; 164:250-263. [PMID: 29617964 DOI: 10.1093/toxsci/kfy082] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Copper neurotoxicity has been implicated in multiple neurological diseases. However, there is a lack of deep understanding on copper neurotoxicity, especially for low-dose copper exposure. In this study, we investigated the effects of chronic, low-dose copper treatment (0.13 ppm copper chloride in drinking water) on hippocampal mitochondrial and nuclear proteome in mice by 2-dimensional fluorescence difference gel electrophoresis coupled with MALDI-TOF-MS/MS. Behavioral tests revealed that low-dose copper caused spatial memory impairment, DNA oxidative damage as well as loss of synaptic proteins. Proteomic analysis revealed modulation of 31 hippocampal mitochondrial proteins (15 increased and 16 decreased), and 46 hippocampal nuclear proteins (18 increased and 28 decreased) in copper-treated versus untreated mice. Bioinformatic analysis indicated that these differentially expressed proteins are mainly involved energy metabolism (NDUV1, COX5B, IDH3A, and PGAM1), synapses (complexin-2, synapsin-2), DNA damage (PDIA3), apoptosis (GRP75), and oxidative stress (SODC, PRDX3). Among these differentially expressed proteins, synapsin-2, a synaptic-related protein, was found to be significantly decreased as confirmed by Western-blot analysis. In addition, we found that superoxide dismutase [Cu-Zn] (SODC), a copper ion target protein, was identified to be decreased in copper-treated mice versus untreated mice. We also found that stathmin (STMN1), a microtubule-destabilizing neuroprotein, was significantly decreased in hippocampal nuclei of copper-treated mice versus untreated mice. Taken together, we conclude that low-dose copper exposure causes spatial memory impairment and perturbs multiple biological/pathogenic processes by dysregulating the mitochondrial and nuclear proteome, particularly the proteins related to respiratory chain, synaptic vesicle fusion, axonal/neurtic integrity, and oxidative stress. The change of STMN1 and SODC may represent early novel biomarkers of copper neurotoxicity.
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Affiliation(s)
- Haitao Yu
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Xin Jiang
- Department of Geriatrics, The Second Clinical Medical College (Shenzhen People's Hospital), Jinan University, Guangdong, China
| | - Xuemei Lin
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Zaijun Zhang
- Institute of New Drug Research and Guangzhou, Key Laboratory of Innovative Chemical Drug Research in Cardio-cerebrovascular Diseases, Jinan University College of Pharmacy, Guangzhou 510632, China
| | - Desheng Wu
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Li Zhou
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Jianjun Liu
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
| | - Xifei Yang
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen 518055, China
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Nadeem A, Ho JCS, Tran TH, Paul S, Granqvist V, Despretz N, Svanborg C. Beta-sheet-specific interactions with heat shock proteins define a mechanism of delayed tumor cell death in response to HAMLET. J Mol Biol 2019; 431:2612-2627. [PMID: 31082436 DOI: 10.1016/j.jmb.2019.05.007] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2018] [Revised: 05/02/2019] [Accepted: 05/04/2019] [Indexed: 02/07/2023]
Abstract
As chaperones, heat shock proteins (HSPs) protect host cells against misfolded proteins that constitute a by-product of protein synthesis. Certain HSPs are also expressed on the surface of tumor cells, possibly to scavenge extracellular unfolded protein ligands and prevent them from becoming cytotoxic. HAMLET-a complex of partially unfolded alpha-lactalbumin and oleic acid-is relying on its N-terminal alpha-helical domain to perturb tumor cell membranes, and the cells die as a consequence of this interaction. Here we show that in parallel, cell surface HSPs bind the beta-sheet domain of alpha-lactalbumin and activate a temporarily protective loop, involving vesicular uptake and lysosomal accumulation. Later, HAMLET destroys lysosomal membrane integrity, and HAMLET release kills the remaining tumor cells. HSPs were identified as HAMLET targets in a proteomic screen and Hsp70-specific antibodies or shRNAs inhibited HAMLET uptake by tumor cells, which showed increased Hsp70 surface expression compared to differentiated cells. The results suggest that HAMLET engages tumor cells by two parallel recognition mechanisms, defined by alpha-helical- or beta-sheet domains of alpha-lactalbumin and resulting in an immediate death response, or a delay due to transient accumulation of the complex in the lysosomes. This dual response pattern was conserved among tumor cells but not seen in normal, differentiated cells. By two different mechanisms, HAMLET thus achieves a remarkably efficient elimination of tumor cells.
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Affiliation(s)
- Aftab Nadeem
- Department of Microbiology, Immunology and Glycobiology (MIG), Institute of Laboratory Medicine, Lund University, S-223 62 Lund, Sweden
| | - James C S Ho
- Department of Microbiology, Immunology and Glycobiology (MIG), Institute of Laboratory Medicine, Lund University, S-223 62 Lund, Sweden; Centre for Biomimetic Sensor Science, School of Materials Science and Engineering, Nanyang Technological University, 50 Nanyang Drive, 637553, Singapore
| | - Tuan Hiep Tran
- Department of Microbiology, Immunology and Glycobiology (MIG), Institute of Laboratory Medicine, Lund University, S-223 62 Lund, Sweden
| | - Sanchari Paul
- Department of Microbiology, Immunology and Glycobiology (MIG), Institute of Laboratory Medicine, Lund University, S-223 62 Lund, Sweden
| | - Victoria Granqvist
- Department of Microbiology, Immunology and Glycobiology (MIG), Institute of Laboratory Medicine, Lund University, S-223 62 Lund, Sweden
| | - Nadege Despretz
- Department of Microbiology, Immunology and Glycobiology (MIG), Institute of Laboratory Medicine, Lund University, S-223 62 Lund, Sweden
| | - Catharina Svanborg
- Department of Microbiology, Immunology and Glycobiology (MIG), Institute of Laboratory Medicine, Lund University, S-223 62 Lund, Sweden.
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39
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Wells C, Brennan SE, Keon M, Saksena NK. Prionoid Proteins in the Pathogenesis of Neurodegenerative Diseases. Front Mol Neurosci 2019; 12:271. [PMID: 31780895 PMCID: PMC6861308 DOI: 10.3389/fnmol.2019.00271] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2019] [Accepted: 10/23/2019] [Indexed: 12/13/2022] Open
Abstract
There is a growing body of evidence that prionoid protein behaviors are a core element of neurodegenerative diseases (NDs) that afflict humans. Common elements in pathogenesis, pathological effects and protein-level behaviors exist between Alzheimer's Disease (AD), Parkinson's Disease (PD), Huntington's Disease (HD) and Amyotrophic Lateral Sclerosis (ALS). These extend beyond the affected neurons to glial cells and processes. This results in a complicated system of disease progression, which often takes advantage of protective processes to promote the propagation of pathological protein aggregates. This review article provides a current snapshot of knowledge on these proteins and their intrinsic role in the pathogenesis and disease progression seen across NDs.
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40
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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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41
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Fukui K, Okihiro S, Ohfuchi Y, Hashimoto M, Kato Y, Yoshida N, Mochizuki K, Tsumoto H, Miura Y. Proteomic study on neurite responses to oxidative stress: search for differentially expressed proteins in isolated neurites of N1E-115 cells. J Clin Biochem Nutr 2018; 64:36-44. [PMID: 30705510 PMCID: PMC6348415 DOI: 10.3164/jcbn.18-31] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2018] [Accepted: 05/14/2018] [Indexed: 01/09/2023] Open
Abstract
Reactive oxygen species attack several living organs and induce cell death. Previously, we found axonal/dendrite degeneration before the induction of cell death in hydrogen peroxide-treated neuroblastoma: N1E-115 cells and primary neurons. This phenomenon may be connected with membrane oxidation, microtubule destabilization and disruption of intracellular calcium homeostasis. However, its detailed mechanisms are not fully understood. Here, we identified proteins after treatment with hydrogen peroxide using isolated neurites by liquid chromatography-matrix-assisted laser desorption/ionization-time of flight/time of flight analysis. Twenty-one proteins were increased after treatment with hydrogen peroxide. Specifically, 5 proteins which were secretogranin-1, heat shock protein family D member 1, Brain acid soluble protein 1, heat shock 70-kDa protein 5 and superoxide dismutase 1, were identified of all experiments and increased in isolated neurites of hydrogen peroxide-treated cells compared to the controls. Furthermore, secretogranin-1 and heat shock protein family D member 1 protein expressions were significantly increased in normal aged and Alzheimer’s transgenic mice brains. These results indicate that secretogranin-1 and heat shock protein family D member 1 might contribute to reactive oxygen species-induced neurite degeneration. Both proteins have been related to neurodegenerative disorders, so their study may shed light on neurite dysfunction.
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Affiliation(s)
- Koji Fukui
- Molecular Cell Biology Laboratory, Department of Systems Engineering and Science, Graduate School of Engineering and Science, Shibaura Institute of Technology, 307 Fukasaku, Minuma-ku, Saitama 337-8570, Japan.,Molecular Cell Biology Laboratory, Department of Bioscience and Engineering, College of Systems Engineering and Sciences, Shibaura Institute of Technology
| | - Shunsuke Okihiro
- Molecular Cell Biology Laboratory, Department of Systems Engineering and Science, Graduate School of Engineering and Science, Shibaura Institute of Technology, 307 Fukasaku, Minuma-ku, Saitama 337-8570, Japan
| | - Yuuka Ohfuchi
- Molecular Cell Biology Laboratory, Department of Bioscience and Engineering, College of Systems Engineering and Sciences, Shibaura Institute of Technology
| | - Minae Hashimoto
- Molecular Cell Biology Laboratory, Department of Systems Engineering and Science, Graduate School of Engineering and Science, Shibaura Institute of Technology, 307 Fukasaku, Minuma-ku, Saitama 337-8570, Japan
| | - Yugo Kato
- Molecular Cell Biology Laboratory, Department of Systems Engineering and Science, Graduate School of Engineering and Science, Shibaura Institute of Technology, 307 Fukasaku, Minuma-ku, Saitama 337-8570, Japan
| | - Naoki Yoshida
- Molecular Cell Biology Laboratory, Department of Systems Engineering and Science, Graduate School of Engineering and Science, Shibaura Institute of Technology, 307 Fukasaku, Minuma-ku, Saitama 337-8570, Japan
| | - Kaho Mochizuki
- Molecular Cell Biology Laboratory, Department of Systems Engineering and Science, Graduate School of Engineering and Science, Shibaura Institute of Technology, 307 Fukasaku, Minuma-ku, Saitama 337-8570, Japan
| | - Hiroki Tsumoto
- Research Team for Mechanism of Aging, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakaecho, Itabashi-ku, Tokyo 173-0015, Japan
| | - Yuri Miura
- Research Team for Mechanism of Aging, Tokyo Metropolitan Institute of Gerontology, 35-2 Sakaecho, Itabashi-ku, Tokyo 173-0015, Japan
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42
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Kalani K, Yan SF, Yan SS. Mitochondrial permeability transition pore: a potential drug target for neurodegeneration. Drug Discov Today 2018; 23:1983-1989. [PMID: 30081095 PMCID: PMC6449145 DOI: 10.1016/j.drudis.2018.08.001] [Citation(s) in RCA: 70] [Impact Index Per Article: 11.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2017] [Revised: 07/17/2018] [Accepted: 08/01/2018] [Indexed: 12/21/2022]
Abstract
The mitochondrial permeability transition pore (mPTP) has been considered a key contributor to cell death, inducing the process in several major neurodegenerative diseases. To date, the molecular nature of the mPTP remains confounding but its significance is universally acknowledged. Several targets have been screened and inhibition of mPTP has emerged as an attractive field for researchers. Nowadays, in silico-directed studies help to explore new small molecules targeting the mPTP to improve their drug-like properties and bioactivity. Here, we briefly summarize the role of mPTP in neurodegenerative diseases, including Alzheimer's disease (AD), Parkinson disease (PD), and Huntington's disease (HD), and discusses current and future potential therapeutic targets.
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Affiliation(s)
- Komal Kalani
- Department of Pharmacology and Toxicology, Higuchi Bioscience Center, School of Pharmacy, University of Kansas, Lawrence, KS 66047, USA
| | - Shi Fang Yan
- Department of Pharmacology and Toxicology, Higuchi Bioscience Center, School of Pharmacy, University of Kansas, Lawrence, KS 66047, USA
| | - Shirley ShiDu Yan
- Department of Pharmacology and Toxicology, Higuchi Bioscience Center, School of Pharmacy, University of Kansas, Lawrence, KS 66047, USA.
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43
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Mazi AR, Arzuman AS, Gurel B, Sahin B, Tuzuner MB, Ozansoy M, Baykal AT. Neonatal Neurodegeneration in Alzheimer's Disease Transgenic Mouse Model. J Alzheimers Dis Rep 2018; 2:79-91. [PMID: 30480251 PMCID: PMC6159732 DOI: 10.3233/adr-170049] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/02/2022] Open
Abstract
Alzheimer’s disease (AD) is a progressive disorder characterized by a variety of molecular pathologies causing cortical dementia with a prominent memory deficit. Formation of the pathology, which begins decades before the diagnosis of the disease, is highly correlated with the clinical symptoms. Several proteomics studies were performed using animal models to monitor the alterations of the brain tissue proteome at different stages of AD. However, proteome changes in the brain regions of newborn transgenic mouse model have not been investigated yet. To this end, we analyzed protein expression alterations in cortex, hippocampus and cerebellum of transgenic mice carrying five familial AD mutations (5XFAD) at neonatal day-1. Our results indicate a remarkable difference in protein expression profile of newborn 5XFAD brain with region specific variations. Additionally, the proteins, which show similar expression alteration pattern in postmortem human AD brains, were determined. Bioinformatics analysis showed that the molecular alterations were mostly related to the cell morphology, cellular assembly and organization, and neuroinflammation. Moreover, morphological analysis revealed that there is an increase in neurite number of 5XFAD mouse neurons in vitro. We suggest that, molecular alterations in the AD brain exist even at birth, and perhaps the disease is silenced until older ages when the brain becomes vulnerable.
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Affiliation(s)
- Aise Rumeysa Mazi
- Regenerative and Restorative Medicine Research Center, REMER, Istanbul, Turkey.,Institute of Health Science, Istanbul Medipol University, Istanbul, Turkey.,Department of Medical Biochemistry, Acibadem Mehmet Ali Aydinlar University, School of Medicine, Istanbul, Turkey
| | - Aysegul Sumeyye Arzuman
- Regenerative and Restorative Medicine Research Center, REMER, Istanbul, Turkey.,Institute of Health Science, Istanbul Medipol University, Istanbul, Turkey.,Department of Medical Biochemistry, Acibadem Mehmet Ali Aydinlar University, School of Medicine, Istanbul, Turkey
| | - Busra Gurel
- Regenerative and Restorative Medicine Research Center, REMER, Istanbul, Turkey.,Institute of Health Science, Istanbul Medipol University, Istanbul, Turkey.,Department of Medical Biochemistry, Acibadem Mehmet Ali Aydinlar University, School of Medicine, Istanbul, Turkey
| | - Betul Sahin
- Acibadem Labmed R&D Laboratory, Istanbul, Turkey
| | | | - Mehmet Ozansoy
- Regenerative and Restorative Medicine Research Center, REMER, Istanbul, Turkey.,Department of Physiology, International School of Medicine, Istanbul Medipol University, Istanbul, Turkey
| | - Ahmet Tarik Baykal
- Acibadem Labmed R&D Laboratory, Istanbul, Turkey.,Department of Medical Biochemistry, Acibadem Mehmet Ali Aydinlar University, School of Medicine, Istanbul, Turkey
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44
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Yu H, Lin X, Wang D, Zhang Z, Guo Y, Ren X, Xu B, Yuan J, Liu J, Spencer PS, Wang JZ, Yang X. Mitochondrial Molecular Abnormalities Revealed by Proteomic Analysis of Hippocampal Organelles of Mice Triple Transgenic for Alzheimer Disease. Front Mol Neurosci 2018; 11:74. [PMID: 29593495 PMCID: PMC5854685 DOI: 10.3389/fnmol.2018.00074] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2017] [Accepted: 02/21/2018] [Indexed: 12/21/2022] Open
Abstract
Mitochondrial dysfunction is implicated in the pathogenesis of Alzheimer’s disease (AD). However, the precise mitochondrial molecular deficits in AD remain poorly understood. Mitochondrial and nuclear proteomic analysis in mature male triple transgenic AD mice (PS1M146V/APPSwe/TauP301L) by two-dimensional fluorescence difference gel electrophoresis (2D-DIGE) coupled with MALDI-TOF-MS/MS, bio-informatics analysis and immunofluorescent staining were performed in this study. In addition to impaired spatial memory impairment and intracellular accumulation of amyloid 1–42 (Aβ1–42) in the 3xTg-AD mice, a well-accepted mouse model of the human disease, we also found significantly increased DNA oxidative damage in entorhinal cortex, hippocampal CA1, CA3 and dental gyrus (DG), as evidenced by the positive staining of 8-hydroxyguanosine, a biomarker of mild cognitive impairment early in AD. We identified significant differences in 27 hippocampal mitochondrial proteins (11 increased and 16 decreased), and 37 hippocampal nuclear proteins (12 increased and 25 decreased) in 3xTg-AD mice compared with the wild-type (WT) mice. Differentially expressed mitochondrial and nuclear proteins were mainly involved in energy metabolism (>55%), synapses, DNA damage, apoptosis and oxidative stress. Two proteins were differentially expressed in both hippocampal mitochondria and nuclei, namely electron transport chain (ETC)-related protein ATP synthase subunit d (ATP5H) was significantly decreased, and apoptosis-related dynamin-1 (DYN1), a pre-synaptic and mitochondrial division-regulated protein that was significantly increased. In sum, perturbations of hippocampus mitochondrial energy metabolism-related proteins responsible for ATP generation via oxidation phosphorylation (OXPHOS), especially nuclear-encoded OXPHOS proteins, correlated with the amyloid-associated cognitive deficits of this murine AD model. The molecular changes in respiratory chain-related proteins and DYN1 may represent novel biomarkers of AD.
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Affiliation(s)
- Haitao Yu
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Xuemei Lin
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Dian Wang
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Zaijun Zhang
- Institute of New Drug Research and Guangzhou, Key Laboratory of Innovative Chemical Drug Research in Cardio-Cerebrovascular Diseases, Jinan University College of Pharmacy, Guangzhou, China
| | - Yi Guo
- Department of Neurology, Second Clinical College, Jinan University, Shenzhen, China
| | - Xiaohu Ren
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Benhong Xu
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Jianhui Yuan
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Jianjun Liu
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
| | - Peter S Spencer
- Department of Neurology, School of Medicine and Oregon Institute of Occupational Health Sciences, Oregon Health and Science University, Portland, OR, United States
| | - Jian-Zhi Wang
- Department of Pathophysiology, School of Basic Medicine and the Collaborative Innovation Center for Brain Science, Key Laboratory of Ministry of Education of China and Hubei Province for Neurological Disorders, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Xifei Yang
- Key Laboratory of Modern Toxicology of Shenzhen, Institute of Toxicology, Shenzhen Center for Disease Control and Prevention, Shenzhen, China
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A key role for MAM in mediating mitochondrial dysfunction in Alzheimer disease. Cell Death Dis 2018; 9:335. [PMID: 29491396 PMCID: PMC5832428 DOI: 10.1038/s41419-017-0215-0] [Citation(s) in RCA: 139] [Impact Index Per Article: 23.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2017] [Revised: 11/27/2017] [Accepted: 12/06/2017] [Indexed: 12/19/2022]
Abstract
In the last few years, increased emphasis has been devoted to understanding the contribution of mitochondria-associated endoplasmic reticulum (ER) membranes (MAM) to human pathology in general, and neurodegenerative diseases in particular. A major reason for this is the central role that this subdomain of the ER plays in metabolic regulation and in mitochondrial biology. As such, aberrant MAM function may help explain the seemingly unrelated metabolic abnormalities often seen in neurodegeneration. In the specific case of Alzheimer disease (AD), besides perturbations in calcium and lipid homeostasis, there are numerous documented alterations in mitochondrial behavior and function, including reduced respiratory chain activity and oxidative phosphorylation, increased free radical production, and altered organellar morphology, dynamics, and positioning (especially perinuclear mitochondria). However, whether these alterations are primary events causative of the disease, or are secondary downstream events that are the result of some other, more fundamental problem, is still unclear. In support of the former possibility, we recently reported that C99, the C-terminal processing product of the amyloid precursor protein (APP) derived from its cleavage by β-secretase, is present in MAM, that its level is increased in AD, and that this increase reduces mitochondrial respiration, likely via a C99-induced alteration in cellular sphingolipid homeostasis. Thus, the metabolic disturbances seen in AD likely arise from increased ER-mitochondrial communication that is driven by an increase in the levels of C99 at the MAM.
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A Cystine-Rich Whey Supplement (Immunocal®) Provides Neuroprotection from Diverse Oxidative Stress-Inducing Agents In Vitro by Preserving Cellular Glutathione. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:3103272. [PMID: 28894506 PMCID: PMC5574309 DOI: 10.1155/2017/3103272] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/15/2017] [Accepted: 07/13/2017] [Indexed: 11/18/2022]
Abstract
Oxidative stress is a principal mechanism underlying the pathophysiology of neurodegeneration. Therefore, nutritional enhancement of endogenous antioxidant defenses may represent a viable treatment option. We investigated the neuroprotective properties of a unique whey protein supplement (Immunocal®) that provides an essential precursor (cystine) for synthesis of the endogenous antioxidant, glutathione (GSH). Primary cultures of rat cerebellar granule neurons (CGNs), NSC34 motor neuronal cells, or HT22 hippocampal cells were preincubated in medium containing Immunocal and then subsequently treated with agents known to induce oxidative stress. Immunocal protected CGNs against neurotoxicity induced by the Bcl-2 inhibitor, HA14-1, the nitric oxide donor, sodium nitroprusside, CuCl2, and AlCl3. Immunocal also significantly reduced NSC34 cell death due to either H2O2 or glutamate and mitigated toxicity in HT22 cells overexpressing β-amyloid1-42. The neuroprotective effects of Immunocal were blocked by inhibition of γ-glutamyl-cysteine ligase, demonstrating dependence on de novo GSH synthesis. These findings indicate that sustaining GSH with Immunocal significantly protects neurons against diverse inducers of oxidative stress. Thus, Immunocal is a nutritional supplement worthy of testing in preclinical animal models of neurodegeneration and in future clinical trials of patients afflicted by these diseases.
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The biological foundation of the genetic association of TOMM40 with late-onset Alzheimer's disease. Biochim Biophys Acta Mol Basis Dis 2017; 1863:2973-2986. [PMID: 28768149 DOI: 10.1016/j.bbadis.2017.07.031] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2017] [Revised: 07/13/2017] [Accepted: 07/28/2017] [Indexed: 02/06/2023]
Abstract
A variable-length poly-T variant in intron 6 of the TOMM40 gene, rs10524523, is associated with risk and age-of-onset of sporadic (late-onset) Alzheimer's disease. In Caucasians, the three predominant alleles at this locus are Short (S), Long (L) or Very long (VL). On an APOE ε3/3 background, the S/VL and VL/VL genotypes are more protective than S/S. The '523 poly-T has regulatory properties, in that the VL poly-T results in higher expression than the S poly-T in luciferase expression systems. The aim of the current work was to identify effects on cellular bioenergetics of increased TOM40 protein expression. MitoTracker Green fluorescence and autophagic vesicle staining was the same in control and over-expressing cells, but TOM40 over-expression was associated with increased expression of TOM20, a preprotein receptor of the TOM complex, the mitochondrial chaperone HSPA9, and PDHE1a, and increased activities of the oxidative phosphorylation complexes I and IV and of the TCA member α-ketoglutaric acid dehydrogenase. Consistent with the complex I findings, respiration was more sensitive to inhibition by rotenone in control cells than in the TOM40 over-expressing cells. In the absence of inhibitors, total cellular ATP, the mitochondrial membrane potential, and respiration were elevated in the over-expressing cells. Spare respiratory capacity was greater in the TOM40 over-expressing cells than in the controls. TOM40 over-expression blocked Ab-elicited decreases in the mitochondrial membrane potential, cellular ATP levels, and cellular viability in the control cells. These data suggest elevated expression of TOM40 may be protective of mitochondrial function.
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Oka S, Leon J, Sakumi K, Ide T, Kang D, LaFerla FM, Nakabeppu Y. Human mitochondrial transcriptional factor A breaks the mitochondria-mediated vicious cycle in Alzheimer's disease. Sci Rep 2016; 6:37889. [PMID: 27897204 PMCID: PMC5126576 DOI: 10.1038/srep37889] [Citation(s) in RCA: 43] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Accepted: 11/02/2016] [Indexed: 12/16/2022] Open
Abstract
In the mitochondria-mediated vicious cycle of Alzheimer’s disease (AD), intracellular amyloid β (Aβ) induces mitochondrial dysfunction and reactive oxygen species, which further accelerate Aβ accumulation. This vicious cycle is thought to play a pivotal role in the development of AD, although the molecular mechanism remains unclear. Here, we examined the effects of human mitochondrial transcriptional factor A (hTFAM) on the pathology of a mouse model of AD (3xTg-AD), because TFAM is known to protect mitochondria from oxidative stress through maintenance of mitochondrial DNA (mtDNA). Expression of hTFAM significantly improved cognitive function, reducing accumulation of both 8-oxoguanine, an oxidized form of guanine, in mtDNA and intracellular Aβ in 3xTg-AD mice and increasing expression of transthyretin, known to inhibit Aβ aggregation. Next, we found that AD model neurons derived from human induced pluripotent stem cells carrying a mutant PSEN1(P117L) gene, exhibited mitochondrial dysfunction, accumulation of 8-oxoguanine and single-strand breaks in mtDNA, and impaired neuritogenesis with a decreased expression of transthyretin, which is known to be downregulated by oxidative stress. Extracellular treatment with recombinant hTFAM effectively suppressed these deleterious outcomes. Moreover, the treatment increased expression of transthyretin, accompanied by reduction of intracellular Aβ. These results provide new insights into potential novel therapeutic targets.
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Affiliation(s)
- Sugako Oka
- Division of Neurofunctional Genomics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka 812-8582, Japan
| | - Julio Leon
- Division of Neurofunctional Genomics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka 812-8582, Japan
| | - Kunihiko Sakumi
- Division of Neurofunctional Genomics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka 812-8582, Japan
| | - Tomomi Ide
- Department of Cardiovascular Medicine, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka 812-8582, Japan
| | - Dongchon Kang
- Department of Clinical Chemistry and Laboratory Medicine, Graduate School of Medical Sciences, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka 812-8582, Japan
| | - Frank M LaFerla
- Department of Neurobiology and Behavior, University of California, Irvine, CA 92697, USA
| | - Yusaku Nakabeppu
- Division of Neurofunctional Genomics, Department of Immunobiology and Neuroscience, Medical Institute of Bioregulation, Kyushu University, 3-1-1 Maidashi, Higashi-Ku, Fukuoka 812-8582, Japan
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Mangione MR, Vilasi S, Marino C, Librizzi F, Canale C, Spigolon D, Bucchieri F, Fucarino A, Passantino R, Cappello F, Bulone D, San Biagio PL. Hsp60, amateur chaperone in amyloid-beta fibrillogenesis. Biochim Biophys Acta Gen Subj 2016; 1860:2474-2483. [PMID: 27474204 DOI: 10.1016/j.bbagen.2016.07.019] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Revised: 07/14/2016] [Accepted: 07/24/2016] [Indexed: 10/21/2022]
Abstract
BACKGROUND Molecular chaperones are a very special class of proteins that play essential roles in many cellular processes like folding, targeting and transport of proteins. Moreover, recent evidence indicates that chaperones can act as potentially strong suppressor agents in Alzheimer's disease (AD). Indeed, in vitro experiments demonstrate that several chaperones are able to significantly slow down or suppress aggregation of Aβ peptide and in vivo studies reveal that treatment with specific chaperones or their overexpression can ameliorate some distinct pathological signs characterizing AD. METHODS Here we investigate using a biophysical approach (fluorescence, circular dichroism (CD), transmission electron (TEM) and atomic force (AFM) microscopy, size exclusion chromatography (SEC)) the effect of the human chaperonin Hsp60 on Aβ fibrillogenesis. RESULTS We found that Hsp60 powerfully inhibits Aβ amyloid aggregation, by closing molecular pathways leading to peptide fibrillogenesis. CONCLUSIONS We observe that Hsp60 inhibits Aβ aggregation through a more complex mechanism than a simple folding chaperone action. The action is specifically directed toward the early oligomeric species behaving as aggregation seeds for on-pathway amyloid fibrillogenesis. GENERAL SIGNIFICANCE Understanding the specificity of the molecular interactions of Hsp60 with amyloid Aβ peptide allowed us to emphasize the important aspects to be taken into consideration when considering the recent promising therapeutic strategies for neurodegeneration.
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Affiliation(s)
| | - Silvia Vilasi
- Institute of Biophysics, National Research Council, Palermo, Italy.
| | - Claudia Marino
- Institute of Biophysics, National Research Council, Palermo, Italy; Department of Neurology, University of Texas Medical Branch, Galveston, TX, USA; Department of Experimental Biomedicine and Clinical Neurosciences, University of Palermo, Italy
| | - Fabio Librizzi
- Institute of Biophysics, National Research Council, Palermo, Italy
| | - Claudio Canale
- Nanophysics Department, Istituto Italiano di Tecnologia, Italy
| | - Dario Spigolon
- Institute of Biophysics, National Research Council, Palermo, Italy; Department of Physics and Chemistry, University of Palermo, Palermo, Italy
| | - Fabio Bucchieri
- Department of Experimental Biomedicine and Clinical Neurosciences, University of Palermo, Italy; Institute of Biomedicine and Molecular Immunology, National Research Council, Palermo, Italy; Euro-Mediterranean Institute of Science and Technology, Palermo, Italy
| | - Alberto Fucarino
- Department of Experimental Biomedicine and Clinical Neurosciences, University of Palermo, Italy; Euro-Mediterranean Institute of Science and Technology, Palermo, Italy
| | - Rosa Passantino
- Institute of Biophysics, National Research Council, Palermo, Italy
| | - Francesco Cappello
- Institute of Biophysics, National Research Council, Palermo, Italy; Department of Experimental Biomedicine and Clinical Neurosciences, University of Palermo, Italy; Euro-Mediterranean Institute of Science and Technology, Palermo, Italy
| | - Donatella Bulone
- Institute of Biophysics, National Research Council, Palermo, Italy
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Spinello A, Barone G, Cappello F, Pace A, Buscemi S, Palumbo Piccionello A. The Binding Mechanism of Epolactaene to Hsp60 Unveiled by in Silico Modelling. ChemistrySelect 2016. [DOI: 10.1002/slct.201600125] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Angelo Spinello
- Dipartimento di Scienze e Tecnologie Biologiche; Chimiche e Farmaceutiche-STEBICEF; University of Palermo; V.le delle Scienze Ed.17 90128 Palermo Italy
- Istituto Euro-Mediterraneo di Scienza e Tecnologia-IEMEST; Via Michele Miraglia 20 90139 Palermo Italy
| | - Giampaolo Barone
- Dipartimento di Scienze e Tecnologie Biologiche; Chimiche e Farmaceutiche-STEBICEF; University of Palermo; V.le delle Scienze Ed.17 90128 Palermo Italy
- Istituto Euro-Mediterraneo di Scienza e Tecnologia-IEMEST; Via Michele Miraglia 20 90139 Palermo Italy
| | - Francesco Cappello
- Istituto Euro-Mediterraneo di Scienza e Tecnologia-IEMEST; Via Michele Miraglia 20 90139 Palermo Italy
- Dipartimento di Biomedicina Sperimentale e Neuroscienze Cliniche -BIONEC; University of Palermo; Via del Vespro 129 90127 Palermo Italy
| | - Andrea Pace
- Dipartimento di Scienze e Tecnologie Biologiche; Chimiche e Farmaceutiche-STEBICEF; University of Palermo; V.le delle Scienze Ed.17 90128 Palermo Italy
- Istituto Euro-Mediterraneo di Scienza e Tecnologia-IEMEST; Via Michele Miraglia 20 90139 Palermo Italy
| | - Silvestre Buscemi
- Dipartimento di Scienze e Tecnologie Biologiche; Chimiche e Farmaceutiche-STEBICEF; University of Palermo; V.le delle Scienze Ed.17 90128 Palermo Italy
| | - Antonio Palumbo Piccionello
- Dipartimento di Scienze e Tecnologie Biologiche; Chimiche e Farmaceutiche-STEBICEF; University of Palermo; V.le delle Scienze Ed.17 90128 Palermo Italy
- Istituto Euro-Mediterraneo di Scienza e Tecnologia-IEMEST; Via Michele Miraglia 20 90139 Palermo Italy
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