151
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Dolatshahi M, Sabahi M, Aarabi MH. Pathophysiological Clues to How the Emergent SARS-CoV-2 Can Potentially Increase the Susceptibility to Neurodegeneration. Mol Neurobiol 2021; 58:2379-2394. [PMID: 33417221 PMCID: PMC7791539 DOI: 10.1007/s12035-020-02236-2] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 11/25/2020] [Indexed: 12/20/2022]
Abstract
Along with emergence of the novel severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) in late 2019, a myriad of neurologic symptoms, associated with structural brain changes, were reported. In this paper, we provide evidence to critically discuss the claim that the survived patients could possibly be at increased risk for neurodegenerative diseases via various mechanisms. This virus can directly invade the brain through olfactory bulb, retrograde axonal transport from peripheral nerve endings, or via hematogenous or lymphatic routes. Infection of the neurons along with peripheral leukocytes activation results in pro-inflammatory cytokine increment, rendering the brain to neurodegenerative changes. Also, occupation of the angiotensin-converting enzyme 2 (ACE-2) with the virus may lead to a decline in ACE-2 activity, which acts as a neuroprotective factor. Furthermore, acute respiratory distress syndrome (ARDS) and septicemia induce hypoxemia and hypoperfusion, which are locally exacerbated due to the hypercoagulable state and micro-thrombosis in brain vessels, leading to oxidative stress and neurodegeneration. Common risk factors for COVID-19 and neurodegenerative diseases, such as metabolic risk factors, genetic predispositions, and even gut microbiota dysbiosis, can contribute to higher occurrence of neurodegenerative diseases in COVID-19 survivors. However, it should be considered that severity of the infection, the extent of neurologic symptoms, and the persistence of viral infection consequences are major determinants of this association. Importantly, whether this pandemic will increase the overall incidence of neurodegeneration is not clear, as a high percentage of patients with severe form of COVID-19 might probably not survive enough to develop neurodegenerative diseases.
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Affiliation(s)
- Mahsa Dolatshahi
- Students' Scientific Research Center (SSRC), Tehran University of Medical Sciences, Tehran, Iran. .,NeuroImaging Network (NIN), Universal Scientific Education and Research Network (USERN), Tehran, Iran.
| | - Mohammadmahdi Sabahi
- NeuroImaging Network (NIN), Universal Scientific Education and Research Network (USERN), Tehran, Iran.,Neurosurgery Research Group (NRG), Student Research Committee, Hamadan University of Medical Sciences, Hamadan, Iran
| | - Mohammad Hadi Aarabi
- Department of Neuroscience, University of Padova, Padova, Italy.,Padova Neuroscience Center (PNC), University of Padova, Padova, Italy
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152
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Ray B, Bhat A, Mahalakshmi AM, Tuladhar S, Bishir M, Mohan SK, Veeraraghavan VP, Chandra R, Essa MM, Chidambaram SB, Sakharkar MK. Mitochondrial and Organellar Crosstalk in Parkinson's Disease. ASN Neuro 2021; 13:17590914211028364. [PMID: 34304614 PMCID: PMC8317254 DOI: 10.1177/17590914211028364] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 04/04/2021] [Accepted: 06/07/2021] [Indexed: 12/17/2022] Open
Abstract
Mitochondrial dysfunction is a well-established pathological event in Parkinson's disease (PD). Proteins misfolding and its impaired cellular clearance due to altered autophagy/mitophagy/pexophagy contribute to PD progression. It has been shown that mitochondria have contact sites with endoplasmic reticulum (ER), peroxisomes and lysosomes that are involved in regulating various physiological processes. In pathological conditions, the crosstalk at the contact sites initiates alterations in intracellular vesicular transport, calcium homeostasis and causes activation of proteases, protein misfolding and impairment of autophagy. Apart from the well-reported molecular changes like mitochondrial dysfunction, impaired autophagy/mitophagy and oxidative stress in PD, here we have summarized the recent scientific reports to provide the mechanistic insights on the altered communications between ER, peroxisomes, and lysosomes at mitochondrial contact sites. Furthermore, the manuscript elaborates on the contributions of mitochondrial contact sites and organelles dysfunction to the pathogenesis of PD and suggests potential therapeutic targets.
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Affiliation(s)
- Bipul Ray
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru, India
- Centre for Experimental Pharmacology and Toxicology, Central Animal Facility, JSS Academy of Higher Education & Research, Mysuru, India
| | - Abid Bhat
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru, India
- Centre for Experimental Pharmacology and Toxicology, Central Animal Facility, JSS Academy of Higher Education & Research, Mysuru, India
| | | | - Sunanda Tuladhar
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru, India
- Centre for Experimental Pharmacology and Toxicology, Central Animal Facility, JSS Academy of Higher Education & Research, Mysuru, India
| | - Muhammed Bishir
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru, India
| | - Surapaneni Krishna Mohan
- Department of Biochemistry, Panimalar Medical College Hospital & Research Institute, Varadharajapuram, Poonamallee, Chennai – 600123, India
| | - Vishnu Priya Veeraraghavan
- Department of Biochemistry, Saveetha Dental College, Saveetha Institute of Medical and Technical Sciences, Saveetha University, Chennai - 600 077, India
| | - Ramesh Chandra
- Drug Discovery & Development Laboratory, Department of Chemistry, University of Delhi, Delhi, 110007, India
- Dr. B. R. Ambedkar Centre for Biomedical Research, University of Delhi, Delhi, 110007, India
| | - Musthafa Mohamed Essa
- Department of Food Science and Nutrition, CAMS, Sultan Qaboos University, Muscat, Oman
- Aging and Dementia Research Group, Sultan Qaboos University, Muscat, Sultanate of Oman
- Visiting Professor, Biomedical Sciences department, University of Pacific, Sacramento, CA, USA
| | - Saravana Babu Chidambaram
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru, India
- Centre for Experimental Pharmacology and Toxicology, Central Animal Facility, JSS Academy of Higher Education & Research, Mysuru, India
| | - Meena Kishore Sakharkar
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK- S7N 5A2, Canada
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153
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Onyango IG, Bennett JP, Stokin GB. Regulation of neuronal bioenergetics as a therapeutic strategy in neurodegenerative diseases. Neural Regen Res 2021; 16:1467-1482. [PMID: 33433460 PMCID: PMC8323696 DOI: 10.4103/1673-5374.303007] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Neurodegenerative diseases such as Alzheimer's disease, Parkinson's disease, Huntington's disease, and amyotrophic lateral sclerosis are a heterogeneous group of debilitating disorders with multifactorial etiologies and pathogeneses that manifest distinct molecular mechanisms and clinical manifestations with abnormal protein dynamics and impaired bioenergetics. Mitochondrial dysfunction is emerging as an important feature in the etiopathogenesis of these age-related neurodegenerative diseases. The prevalence and incidence of these diseases is on the rise with the increasing global population and average lifespan. Although many therapeutic approaches have been tested, there are currently no effective treatment routes for the prevention or cure of these diseases. We present the current status of our knowledge and understanding of the involvement of mitochondrial dysfunction in these diseases and highlight recent advances in novel therapeutic strategies targeting neuronal bioenergetics as potential approach for treating these diseases.
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Affiliation(s)
- Isaac G Onyango
- Center for Translational Medicine, International Clinical Research Centre (ICRC), St. Anne's University Hospital, Brno, Czech Republic
| | - James P Bennett
- Neurodegeneration Therapeutics, 3050A Berkmar Drive, Charlottesville, VA, USA
| | - Gorazd B Stokin
- Center for Translational Medicine, International Clinical Research Centre (ICRC), St. Anne's University Hospital, Brno, Czech Republic
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154
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Spallone V, Ciccacci C, Latini A, Borgiani P. What Is in the Field for Genetics and Epigenetics of Diabetic Neuropathy: The Role of MicroRNAs. J Diabetes Res 2021; 2021:5593608. [PMID: 34660810 PMCID: PMC8514969 DOI: 10.1155/2021/5593608] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/29/2021] [Accepted: 09/07/2021] [Indexed: 12/25/2022] Open
Abstract
Despite the high prevalence of diabetic neuropathy, its early start, and its impact on quality of life and mortality, unresolved clinical issues persist in the field regarding its screening implementation, the understanding of its mechanisms, and the search for valid biomarkers, as well as disease-modifying treatment. Genetics may address these needs by providing genetic biomarkers of susceptibility, giving insights into pathogenesis, and shedding light on how to select possible responders to treatment. After a brief summary of recent studies on the genetics of diabetic neuropathy, the current review focused mainly on microRNAs (miRNAs), including the authors' results in this field. It summarized the findings of animal and human studies that associate miRNAs with diabetic neuropathy and explored the possible pathogenetic meanings of these associations, in particular regarding miR-128a, miR-155a, and miR-499a, as well as their application for diabetic neuropathy screening. Moreover, from a genetic perspective, it examined new findings of polymorphisms of miRNA genes in diabetic neuropathy. It considered in more depth the pathogenetic implications for diabetic neuropathy of the polymorphism of MIR499A and the related changes in the downstream action of miR-499a, showing how epigenetic and genetic studies may provide insight into pathogenetic mechanisms like mitochondrial dysfunction. Finally, the concept and the data of genotype-phenotype association for polymorphism of miRNA genes were described. In conclusion, although at a very preliminary stage, the findings linking the genetics and epigenetics of miRNAs might contribute to the identification of exploratory risk biomarkers, a comprehensive definition of susceptibility to specific pathogenetic mechanisms, and the development of mechanism-based treatment of diabetic neuropathy, thus addressing the goals of genetic studies.
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Affiliation(s)
- V. Spallone
- Department of Systems Medicine, Endocrinology Section, University of Rome Tor Vergata, Rome, Italy
| | - C. Ciccacci
- UniCamillus, Saint Camillus International University of Health Sciences, Rome, Italy
| | - A. Latini
- Department of Biomedicine and Prevention, Genetics Section, University of Rome Tor Vergata, Rome, Italy
| | - P. Borgiani
- Department of Biomedicine and Prevention, Genetics Section, University of Rome Tor Vergata, Rome, Italy
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155
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Bhat A, Tan V, Heng B, Lovejoy DB, Sakharkar MK, Essa MM, Chidambaram SB, Guillemin GJ. Roflumilast, a cAMP-Specific Phosphodiesterase-4 Inhibitor, Reduces Oxidative Stress and Improves Synapse Functions in Human Cortical Neurons Exposed to the Excitotoxin Quinolinic Acid. ACS Chem Neurosci 2020; 11:4405-4415. [PMID: 33261317 DOI: 10.1021/acschemneuro.0c00636] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022] Open
Abstract
The overexpression of phosphodiesterase 4 (PDE4) enzymes is reported in several neurodegenerative diseases. PDE4 depletes cyclic 3'-5' adenosine monophosphate (cAMP) and, in turn, cAMP response element-binding protein (CREB) and brain-derived neurotrophic factor (BDNF), the key players in cognitive function. The present study was undertaken to investigate the mechanism behind the protective effects of roflumilast (ROF), a cAMP-specific PDE4 inhibitor, against quinolinic acid (QUIN)-induced neurotoxicity using human primary cortical neurons. Cytotoxicity was analyzed using an MTS assay. Reactive oxygen species (ROS) and mitochondrial membrane potential were measured by DCF-DA and JC-10 staining, respectively. Caspase 3/7 activity was measured using an ApoTox-Glo Triplex assay kit. cAMP was measured using an ELISA kit. The protein expression of CREB, BDNF, SAP-97, synaptophysin, synapsin-I, and PSD-95 was analyzed by the Western blotting technique. QUIN exposure down-regulated CREB, BDNF, and synaptic protein expression in neurons. Pretreatment with ROF increased the intracellular cAMP, mitochondrial membrane potential, and nicotinamide adenine dinucleotide (NAD+) content and decreased the ROS and caspase 3/7 levels in QUIN-exposed neurons. ROF up-regulated the expression of synapse proteins SAP-97, synaptophysin, synapsin-I, PSD-95, and CREB and BDNF, which indicates its potential role in memory. This study suggests for the first time that QUIN causes pre- and postsynaptic protein damage. We further demonstrate the restorative effects of ROF on the mitochondrial membrane potential and antiapoptotic properties in human neurons. These data encourage further investigations to reposition ROF in neurodegenerative diseases and their associated cognitive deficits.
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Affiliation(s)
- Abid Bhat
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Sri Shivarathreeshwara Nagar, Mysuru, Karnataka 570015, India
- Neuroinflammation Group, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales 2109, Australia
| | - Vanessa Tan
- Neuroinflammation Group, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales 2109, Australia
| | - Benjamin Heng
- Neuroinflammation Group, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales 2109, Australia
| | - David B. Lovejoy
- Neuroinflammation Group, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales 2109, Australia
| | - Meena Kishore Sakharkar
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, Saskatchewan S7N 5A2, Canada
| | - Musthafa Mohamed Essa
- Department of Food Science and Nutrition, CAMS, Sultan Qaboos University, Muscat, Oman
- Ageing and Dementia Research Group, Sultan Qaboos University, Muscat, Oman
| | - Saravana Babu Chidambaram
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Sri Shivarathreeshwara Nagar, Mysuru, Karnataka 570015, India
- Centre for Experimental Pharmacology and Toxicology, Central Animal Facility, JSS Academy of Higher Education & Research, Mysuru, Karnataka 570015, India
| | - Gilles J. Guillemin
- Neuroinflammation Group, Faculty of Medicine, Health and Human Sciences, Macquarie University, Sydney, New South Wales 2109, Australia
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156
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Bazhin AA, Sinisi R, De Marchi U, Hermant A, Sambiagio N, Maric T, Budin G, Goun EA. A bioluminescent probe for longitudinal monitoring of mitochondrial membrane potential. Nat Chem Biol 2020; 16:1385-1393. [PMID: 32778841 DOI: 10.1038/s41589-020-0602-1] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Accepted: 06/29/2020] [Indexed: 01/09/2023]
Abstract
Mitochondrial membrane potential (ΔΨm) is a universal selective indicator of mitochondrial function and is known to play a central role in many human pathologies, such as diabetes mellitus, cancer and Alzheimer's and Parkinson's diseases. Here, we report the design, synthesis and several applications of mitochondria-activatable luciferin (MAL), a bioluminescent probe sensitive to ΔΨm, and partially to plasma membrane potential (ΔΨp), for non-invasive, longitudinal monitoring of ΔΨm in vitro and in vivo. We applied this new technology to evaluate the aging-related change of ΔΨm in mice and showed that nicotinamide riboside (NR) reverts aging-related mitochondrial depolarization, revealing another important aspect of the mechanism of action of this potent biomolecule. In addition, we demonstrated application of the MAL probe for studies of brown adipose tissue (BAT) activation and non-invasive in vivo assessment of ΔΨm in animal cancer models, opening exciting opportunities for understanding the underlying mechanisms and for discovery of effective treatments for many human pathologies.
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Affiliation(s)
- Arkadiy A Bazhin
- Institute of Chemical Sciences and Engineering, School of Basic Sciences, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland
| | - Riccardo Sinisi
- Institute of Chemical Sciences and Engineering, School of Basic Sciences, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland
| | | | | | - Nicolas Sambiagio
- Institute of Chemical Sciences and Engineering, School of Basic Sciences, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland
| | - Tamara Maric
- Institute of Chemical Sciences and Engineering, School of Basic Sciences, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland
| | - Ghyslain Budin
- Institute of Chemical Sciences and Engineering, School of Basic Sciences, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland
| | - Elena A Goun
- Institute of Chemical Sciences and Engineering, School of Basic Sciences, Swiss Federal Institute of Technology Lausanne (EPFL), Lausanne, Switzerland.
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157
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Xu W, Ocak U, Gao L, Tu S, Lenahan CJ, Zhang J, Shao A. Selective autophagy as a therapeutic target for neurological diseases. Cell Mol Life Sci 2020; 78:1369-1392. [PMID: 33067655 PMCID: PMC7904548 DOI: 10.1007/s00018-020-03667-9] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 09/03/2020] [Accepted: 10/05/2020] [Indexed: 12/12/2022]
Abstract
The neurological diseases primarily include acute injuries, chronic neurodegeneration, and others (e.g., infectious diseases of the central nervous system). Autophagy is a housekeeping process responsible for the bulk degradation of misfolded protein aggregates and damaged organelles through the lysosomal machinery. Recent studies have suggested that autophagy, particularly selective autophagy, such as mitophagy, pexophagy, ER-phagy, ribophagy, lipophagy, etc., is closely implicated in neurological diseases. These forms of selective autophagy are controlled by a group of important proteins, including PTEN-induced kinase 1 (PINK1), Parkin, p62, optineurin (OPTN), neighbor of BRCA1 gene 1 (NBR1), and nuclear fragile X mental retardation-interacting protein 1 (NUFIP1). This review highlights the characteristics and underlying mechanisms of different types of selective autophagy, and their implications in various forms of neurological diseases.
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Affiliation(s)
- Weilin Xu
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Umut Ocak
- Department of Emergency Medicine, Bursa Yuksek Ihtisas Training and Research Hospital, University of Health Sciences, 16310, Bursa, Turkey.,Department of Emergency Medicine, Bursa City Hospital, 16110, Bursa, Turkey
| | - Liansheng Gao
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China
| | - Sheng Tu
- State Key Laboratory for Diagnosis and Treatment of Infectious Diseases, Collaborative Innovation Center for Diagnosis and Treatment of Infectious Diseases, First Affiliated Hospital, College of Medicine, Zhejiang University, Hangzhou, 310009, Zhejiang, China
| | | | - Jianmin Zhang
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China. .,Brain Research Institute, Zhejiang University, Hangzhou, China. .,Collaborative Innovation Center for Brain Science, Zhejiang University, Hangzhou, China.
| | - Anwen Shao
- Department of Neurosurgery, Second Affiliated Hospital, School of Medicine, Zhejiang University, Hangzhou, China.
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158
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Li W, Kui L, Demetrios T, Gong X, Tang M. A Glimmer of Hope: Maintain Mitochondrial Homeostasis to Mitigate Alzheimer's Disease. Aging Dis 2020; 11:1260-1275. [PMID: 33014536 PMCID: PMC7505280 DOI: 10.14336/ad.2020.0105] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2019] [Accepted: 01/05/2020] [Indexed: 12/13/2022] Open
Abstract
Mitochondria are classically known to be cellular energy producers. Given the high-energy demanding nature of neurons in the brain, it is essential that the mitochondrial pool remains healthy and provides a continuous and efficient supply of energy. However, mitochondrial dysfunction is inevitable in aging and neurodegenerative diseases. In Alzheimer’s disease (AD), neurons experience unbalanced homeostasis like damaged mitochondrial biogenesis and defective mitophagy, with the latter promoting the disease-defining amyloid β (Aβ) and p-Tau pathologies impaired mitophagy contributes to inflammation and the aggregation of Aβ and p-Tau-containing neurotoxic proteins. Interventions that restore defective mitophagy may, therefore, alleviate AD symptoms, pointing out the possibility of a novel therapy. This review aims to illustrate mitochondrial biology with a focus on mitophagy and propose strategies to treat AD while maintaining mitochondrial homeostasis.
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Affiliation(s)
- Wenbo Li
- 1State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, China
| | - Ling Kui
- 2Dana-Farber Cancer Institute, Harvard Medical School, United States
| | | | - Xun Gong
- 4Department of Rheumatology & Immunology, The First Affiliated Hospital of Anhui Medical University, China
| | - Min Tang
- 5Institute of Life Sciences, Jiangsu University, China.,6Center for Innovation in Brain Science, University of Arizona, United States
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159
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Neganova ME, Aleksandrova YR, Nebogatikov VO, Klochkov SG, Ustyugov AA. Promising Molecular Targets for Pharmacological Therapy of Neurodegenerative Pathologies. Acta Naturae 2020; 12:60-80. [PMID: 33173597 PMCID: PMC7604899 DOI: 10.32607/actanaturae.10925] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2020] [Accepted: 04/20/2020] [Indexed: 12/12/2022] Open
Abstract
Drug development for the treatment of neurodegenerative diseases has to confront numerous problems occurring, in particular, because of attempts to address only one of the causes of the pathogenesis of neurological disorders. Recent advances in multitarget therapy research are gaining momentum by utilizing pharmacophores that simultaneously affect different pathological pathways in the neurodegeneration process. The application of such a therapeutic strategy not only involves the treatment of symptoms, but also mainly addresses prevention of the fundamental pathological processes of neurodegenerative diseases and the reduction of cognitive abilities. Neuroinflammation and oxidative stress, mitochondrial dysfunction, dysregulation of the expression of histone deacetylases, and aggregation of pathogenic forms of proteins are among the most common and significant pathological features of neurodegenerative diseases. In this review, we focus on the molecular mechanisms and highlight the main aspects, including reactive oxygen species, the cell endogenous antioxidant system, neuroinflammation triggers, metalloproteinases, α-synuclein, tau proteins, neuromelanin, histone deacetylases, presenilins, etc. The processes and molecular targets discussed in this review could serve as a starting point for screening leader compounds that could help prevent or slow down the development of neurodegenerative diseases.
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Affiliation(s)
- M. E. Neganova
- Institute of Physiologically Active Compounds of the Russian Academy of Sciences, Moscow region, Chernogolovka, 142432 Russia
| | - Yu. R. Aleksandrova
- Institute of Physiologically Active Compounds of the Russian Academy of Sciences, Moscow region, Chernogolovka, 142432 Russia
| | - V. O. Nebogatikov
- Institute of Physiologically Active Compounds of the Russian Academy of Sciences, Moscow region, Chernogolovka, 142432 Russia
| | - S. G. Klochkov
- Institute of Physiologically Active Compounds of the Russian Academy of Sciences, Moscow region, Chernogolovka, 142432 Russia
| | - A. A. Ustyugov
- Institute of Physiologically Active Compounds of the Russian Academy of Sciences, Moscow region, Chernogolovka, 142432 Russia
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160
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Maes M, Anderson G, Betancort Medina SR, Seo M, Ojala JO. Integrating Autism Spectrum Disorder Pathophysiology: Mitochondria, Vitamin A, CD38, Oxytocin, Serotonin and Melatonergic Alterations in the Placenta and Gut. Curr Pharm Des 2020; 25:4405-4420. [PMID: 31682209 DOI: 10.2174/1381612825666191102165459] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2019] [Accepted: 10/31/2019] [Indexed: 12/28/2022]
Abstract
BACKGROUND A diverse array of data has been associated with autism spectrum disorder (ASD), reflecting the complexity of its pathophysiology as well as its heterogeneity. Two important hubs have emerged, the placenta/prenatal period and the postnatal gut, with alterations in mitochondria functioning crucial in both. METHODS Factors acting to regulate mitochondria functioning in ASD across development are reviewed in this article. RESULTS Decreased vitamin A, and its retinoic acid metabolites, lead to a decrease in CD38 and associated changes that underpin a wide array of data on the biological underpinnings of ASD, including decreased oxytocin, with relevance both prenatally and in the gut. Decreased sirtuins, poly-ADP ribose polymerase-driven decreases in nicotinamide adenine dinucleotide (NAD+), hyperserotonemia, decreased monoamine oxidase, alterations in 14-3-3 proteins, microRNA alterations, dysregulated aryl hydrocarbon receptor activity, suboptimal mitochondria functioning, and decreases in the melatonergic pathways are intimately linked to this. Many of the above processes may be modulating, or mediated by, alterations in mitochondria functioning. Other bodies of data associated with ASD may also be incorporated within these basic processes, including how ASD risk factors such as maternal obesity and preeclampsia, as well as more general prenatal stressors, modulate the likelihood of offspring ASD. CONCLUSION Such a mitochondria-focussed integrated model of the pathophysiology of ASD has important preventative and treatment implications.
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Affiliation(s)
- Michael Maes
- Department of Psychiatry, Faculty of Medicine, Chulalongkorn University, Bangkok, Thailand
| | - George Anderson
- CRC Scotland & London, Eccleston Square, London, United Kingdom
| | | | - Moonsang Seo
- Great Ormond Street Hospital for Children NHS Foundation Trust, London, United Kingdom
| | - Johanna O Ojala
- Neurology, Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
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161
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Tilocca B, Pieroni L, Soggiu A, Britti D, Bonizzi L, Roncada P, Greco V. Gut-Brain Axis and Neurodegeneration: State-of-the-Art of Meta-Omics Sciences for Microbiota Characterization. Int J Mol Sci 2020; 21:E4045. [PMID: 32516966 PMCID: PMC7312636 DOI: 10.3390/ijms21114045] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Revised: 05/31/2020] [Accepted: 06/04/2020] [Indexed: 12/12/2022] Open
Abstract
Recent advances in the field of meta-omics sciences and related bioinformatics tools have allowed a comprehensive investigation of human-associated microbiota and its contribution to achieving and maintaining the homeostatic balance. Bioactive compounds from the microbial community harboring the human gut are involved in a finely tuned network of interconnections with the host, orchestrating a wide variety of physiological processes. These includes the bi-directional crosstalk between the central nervous system, the enteric nervous system, and the gastrointestinal tract (i.e., gut-brain axis). The increasing accumulation of evidence suggest a pivotal role of the composition and activity of the gut microbiota in neurodegeneration. In the present review we aim to provide an overview of the state-of-the-art of meta-omics sciences including metagenomics for the study of microbial genomes and taxa strains, metatranscriptomics for gene expression, metaproteomics and metabolomics to identify and/or quantify microbial proteins and metabolites, respectively. The potential and limitations of each discipline were highlighted, as well as the advantages of an integrated approach (multi-omics) to predict microbial functions and molecular mechanisms related to human diseases. Particular emphasis is given to the latest results obtained with these approaches in an attempt to elucidate the link between the gut microbiota and the most common neurodegenerative diseases, such as multiple sclerosis (MS), Alzheimer's disease (AD), Parkinson's disease (PD), and amyotrophic lateral sclerosis (ALS).
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Affiliation(s)
- Bruno Tilocca
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, viale Europa, 88100 Catanzaro, Italy; (B.T.); (D.B.)
| | - Luisa Pieroni
- Proteomics and Metabonomics Unit, Fondazione Santa Lucia-IRCCS, via del Fosso di Fiorano, 64-00143 Rome, Italy;
| | - Alessio Soggiu
- Department of Biomedical, Surgical and Dental Sciences- One Health Unit, University of Milano, via Celoria 10, 20133 Milano, Italy;
- Department of Veterinary Medicine, University of Milano, Via dell’Università, 6- 26900 Lodi, Italy;
| | - Domenico Britti
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, viale Europa, 88100 Catanzaro, Italy; (B.T.); (D.B.)
| | - Luigi Bonizzi
- Department of Veterinary Medicine, University of Milano, Via dell’Università, 6- 26900 Lodi, Italy;
| | - Paola Roncada
- Department of Health Sciences, University “Magna Græcia” of Catanzaro, viale Europa, 88100 Catanzaro, Italy; (B.T.); (D.B.)
| | - Viviana Greco
- Department of Basic Biotechnological Sciences, Intensivological and Perioperative Clinics, Università Cattolica del Sacro Cuore, Largo F. Vito 1, 00168 Rome, Italy
- Fondazione Policlinico Universitario Agostino Gemelli, Largo A. Gemelli, 8-00168 Rome, Italy
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162
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Yousefi N, Abdollahii S, Kouhbanani MAJ, Hassanzadeh A. Induced pluripotent stem cells (iPSCs) as game-changing tools in the treatment of neurodegenerative disease: Mirage or reality? J Cell Physiol 2020; 235:9166-9184. [PMID: 32437029 DOI: 10.1002/jcp.29800] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 05/02/2020] [Accepted: 05/02/2020] [Indexed: 12/14/2022]
Abstract
Based on investigations, there exist tight correlations between neurodegenerative diseases' incidence and progression and aberrant protein aggregreferates in nervous tissue. However, the pathology of these diseases is not well known, leading to an inability to find an appropriate therapeutic approach to delay occurrence or slow many neurodegenerative diseases' development. The accessibility of induced pluripotent stem cells (iPSCs) in mimicking the phenotypes of various late-onset neurodegenerative diseases presents a novel strategy for in vitro disease modeling. The iPSCs provide a valuable and well-identified resource to clarify neurodegenerative disease mechanisms, as well as prepare a promising human stem cell platform for drug screening. Undoubtedly, neurodegenerative disease modeling using iPSCs has established innovative opportunities for both mechanistic types of research and recognition of novel disease treatments. Most important, the iPSCs have been considered as a novel autologous cell origin for cell-based therapy of neurodegenerative diseases following differentiation to varied types of neural lineage cells (e.g. GABAergic neurons, dopamine neurons, cortical neurons, and motor neurons). In this review, we summarize iPSC-based disease modeling in neurodegenerative diseases including Alzheimer's disease, amyotrophic lateral sclerosis, Parkinson's disease, and Huntington's disease. Moreover, we discuss the efficacy of cell-replacement therapies for neurodegenerative disease.
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Affiliation(s)
- Niloufar Yousefi
- Department of Physiology and Pharmacology, Pasteur Instittableute of Iran, Tehran, Iran.,Stem Cell and Regenerative Medicine Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Shahla Abdollahii
- Department of Medical Nanotechnology, School of Advanced Medical Sciences and Technologies, Shahroud University of Medical Sciences, Shahroud, Iran
| | - Mohammad Amin Jadidi Kouhbanani
- Stem Cell and Regenerative Medicine Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - Ali Hassanzadeh
- Stem Cell and Regenerative Medicine Center, Tehran University of Medical Sciences, Tehran, Iran.,Department of Tissue Engineering and Applied Cell Sciences, School of Advanced Technologies in Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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163
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Ciccacci C, Latini A, Colantuono A, Politi C, D'Amato C, Greco C, Rinaldi ME, Lauro D, Novelli G, Spallone V, Borgiani P. Expression study of candidate miRNAs and evaluation of their potential use as biomarkers of diabetic neuropathy. Epigenomics 2020; 12:575-585. [PMID: 32400192 DOI: 10.2217/epi-2019-0242] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Aim: To evaluate the expression of candidate miRNAs in relation to diabetic polyneuropathy (DPN) and cardiovascular autonomic neuropathy (CAN). Materials & methods: The expression of six candidate miRNAs has been evaluated in 49 Type 2 diabetes patients with neurological evaluation. Results: A higher expression of miR-128a was seen in patients with DPN compared with those without DPN (p = 0.015). miR-155 and miR-499a seemed to be down-expressed in patients with DPN (p = 0.04 and p = 0.05, respectively). A lower expression of miR-155 (p = 0.05) was observed even in patients with CAN with respect to CAN-negative. A higher expression of miR-155 was associated with the rs767649 polymorphism variant allele compared with the wild-type allele (p = 0.03). Conclusion: miR-128a, miR-155 and miR-499a might be involved in diabetic neuropathies development.
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Affiliation(s)
- Cinzia Ciccacci
- UniCamillus - Saint Camillus International University of Health Sciences, Rome, Italy.,Department of Biomedicine & Prevention, Genetics Section, University of Rome Tor Vergata, Rome, Italy
| | - Andrea Latini
- Department of Biomedicine & Prevention, Genetics Section, University of Rome Tor Vergata, Rome, Italy
| | - Antonella Colantuono
- Department of Biomedicine & Prevention, Genetics Section, University of Rome Tor Vergata, Rome, Italy
| | - Cristina Politi
- Department of Biomedicine & Prevention, Genetics Section, University of Rome Tor Vergata, Rome, Italy
| | - Cinzia D'Amato
- Department of Systems Medicine, Endocrinology Section, University of Rome Tor Vergata, Rome, Italy
| | - Carla Greco
- Department of Systems Medicine, Endocrinology Section, University of Rome Tor Vergata, Rome, Italy
| | - Maria Elena Rinaldi
- Department of Systems Medicine, Endocrinology Section, University of Rome Tor Vergata, Rome, Italy
| | - Davide Lauro
- Department of Systems Medicine, Endocrinology Section, University of Rome Tor Vergata, Rome, Italy
| | - Giuseppe Novelli
- Department of Biomedicine & Prevention, Genetics Section, University of Rome Tor Vergata, Rome, Italy.,IRCCS NEUROMED, Pozzilli, IS, Italy
| | - Vincenza Spallone
- Department of Systems Medicine, Endocrinology Section, University of Rome Tor Vergata, Rome, Italy
| | - Paola Borgiani
- Department of Biomedicine & Prevention, Genetics Section, University of Rome Tor Vergata, Rome, Italy
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164
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Xu TT, Li H, Dai Z, Lau GK, Li BY, Zhu WL, Liu XQ, Liu HF, Cai WW, Huang SQ, Wang Q, Zhang SJ. Spermidine and spermine delay brain aging by inducing autophagy in SAMP8 mice. Aging (Albany NY) 2020; 12:6401-6414. [PMID: 32268299 PMCID: PMC7185103 DOI: 10.18632/aging.103035] [Citation(s) in RCA: 85] [Impact Index Per Article: 21.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2019] [Accepted: 03/02/2020] [Indexed: 12/16/2022]
Abstract
The natural polyamine spermidine and spermine have been reported to ameliorate aging and aging-induced dementia. However, the mechanism is still confused. An aging model, the senescence accelerated mouse-8 (SAMP8), was used in this study. Novel object recognition and the open field test results showed that oral administration of spermidine, spermine and rapamycin increased discrimination index, modified number, inner squares distance and times. Spermidine and spermine increased the activity of SOD, and decreased the level of MDA in the aging brain. Spermidine and spermine phosphorylate AMPK and regulate autophagy proteins (LC3, Beclin 1 and p62). Spermidine and spermine balanced mitochondrial and maintain energy for neuron, with the regulation of MFN1, MFN2, DRP1, COX IV and ATP. In addition, western blot results (Bcl-2, Bax and Caspase-3, NLRP3, IL-18, IL-1β) showed that spermidine and spermine prevented apoptosis and inflammation, and elevate the expression of neurotrophic factors, including NGF, PSD95and PSD93 and BDNF in neurons of SAMP8 mice. These results indicated that the effect of spermidine and spermine on anti-aging is related with improving autophagy and mitochondrial function.
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Affiliation(s)
- Ting-Ting Xu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Han Li
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Zhao Dai
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - George K Lau
- Touro College of Osteopathic Medicine, New York, NY 10027, USA
| | - Ben-Yue Li
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wen-Li Zhu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Xiao-Qi Liu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Hao-Fei Liu
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Wei-Wu Cai
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shui-Qing Huang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Qi Wang
- Science and Technology Innovation Center, Guangzhou University of Chinese Medicine, Guangzhou, China.,Institute of Clinical Pharmacology, Guangzhou University of Chinese Medicine, Guangzhou, China
| | - Shi-Jie Zhang
- Department of Neurology, The Second Affiliated Hospital of Guangzhou University of Chinese Medicine, Guangzhou, China
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165
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Borlongan C, Dorandeu F, Di Giovanni G, Lin JS, Hu G, Boltze J, Wu J, Hu X, Luo Y. 2019 Overview. CNS Neurosci Ther 2020; 26:287. [PMID: 32125098 PMCID: PMC7052800 DOI: 10.1111/cns.13299] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022] Open
Affiliation(s)
| | - Frederic Dorandeu
- Armed forces biomedical research institute (IRBA), Bretigny-sur-Orge, France and Ecole du Val de Grace, Paris, France
| | | | | | - Gang Hu
- Nanjing University of Chinese Medicine, Nanjing, China
| | - Johannes Boltze
- School of Life Sciences, The University of Warwick, Coventry, UK
| | - Jie Wu
- Barrow Neurological Institute, Phoenix, AZ, USA
| | - Xiaoming Hu
- University of Pittsburgh, Pittsburgh, PA, USA
| | - Yumin Luo
- Xuanwu Hospital of Capital Medical University, Beijing, China
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166
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Carrera-Juliá S, Moreno ML, Barrios C, de la Rubia Ortí JE, Drehmer E. Antioxidant Alternatives in the Treatment of Amyotrophic Lateral Sclerosis: A Comprehensive Review. Front Physiol 2020; 11:63. [PMID: 32116773 PMCID: PMC7016185 DOI: 10.3389/fphys.2020.00063] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Accepted: 01/21/2020] [Indexed: 12/11/2022] Open
Abstract
Amyotrophic lateral sclerosis (ALS) is a neurodegenerative disease that produces a selective loss of the motor neurons of the spinal cord, brain stem and motor cortex. Oxidative stress (OS) associated with mitochondrial dysfunction and the deterioration of the electron transport chain has been shown to be a factor that contributes to neurodegeneration and plays a potential role in the pathogenesis of ALS. The regions of the central nervous system affected have high levels of reactive oxygen species (ROS) and reduced antioxidant defenses. Scientific studies propose treatment with antioxidants to combat the characteristic OS and the regeneration of nicotinamide adenine dinucleotide (NAD+) levels by the use of precursors. This review examines the possible roles of nicotinamide riboside and pterostilbene as therapeutic strategies in ALS.
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Affiliation(s)
- Sandra Carrera-Juliá
- Doctoral Degree’s School, Catholic University of Valencia “San Vicente Mártir”, Valencia, Spain
- Department of Nutrition and Dietetics, Catholic University of Valencia “San Vicente Mártir”, Valencia, Spain
| | - Mari Luz Moreno
- Department of Basic Sciences, Catholic University of Valencia “San Vicente Mártir”, Valencia, Spain
| | - Carlos Barrios
- Institute for Research on Musculoskeletal Disorders, Catholic University of Valencia “San Vicente Mártir”, Valencia, Spain
| | | | - Eraci Drehmer
- Department of Basic Sciences, Catholic University of Valencia “San Vicente Mártir”, Valencia, Spain
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167
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Kuang H, Tan C, Tian H, Liu L, Yang M, Hong F, Yang S. Exploring the bi-directional relationship between autophagy and Alzheimer's disease. CNS Neurosci Ther 2020; 26:155-166. [PMID: 31503421 PMCID: PMC6978262 DOI: 10.1111/cns.13216] [Citation(s) in RCA: 44] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2019] [Revised: 08/11/2019] [Accepted: 08/15/2019] [Indexed: 02/06/2023] Open
Abstract
Alzheimer's disease (AD) is characterized by β-amyloid (Aβ) deposition and Tau phosphorylation, in which its pathogenesis has not been cleared so far. The metabolism of Aβ and Tau is critically affected by the autophagy. Abnormal autophagy is thought to be involved in the pathogenesis of AD, regulating autophagy may become a new strategy for AD treatment. In the early stage of AD, the presence of Aβ and Tau can induce autophagy to promote their clearance by means of mTOR-dependent and independent manners. As AD progress, the autophagy goes aberrant. As a result, Aβ and Tau generate continually, which aggravates both autophagy dysfunction and AD. Besides, several related genes and proteins of AD can also adapt autophagy to make an effect on the AD development. There seems to be a bi-directional relationship between AD pathology and autophagy. At present, this article reviews this relationship from these aspects: (a) the signaling pathways of regulating autophagy; (b) the relationships between the autophagy and the processing of Aβ; (c) Aβ and Tau cause autophagy dysfunction; (d) normal autophagy promotes the clearance of Aβ and Tau; (e) the relationships between the autophagy and both genes and proteins related to AD: TFEB, miRNAs, Beclin-1, Presenilin, and Nrf2; and (f) the small molecules regulating autophagy on AD therapy. All of the above may help to further elucidate the pathogenesis of AD and provide a theoretical basis for clinical treatment of AD.
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Affiliation(s)
- Huang Kuang
- Department of Physiology, College of MedicineNanchang UniversityNanchangChina
| | - Cheng‐Yong Tan
- Department of Physiology, College of MedicineNanchang UniversityNanchangChina
| | - Hui‐Zhen Tian
- Department of Physiology, College of MedicineNanchang UniversityNanchangChina
| | - Li‐Hua Liu
- Department of Physiology, College of MedicineNanchang UniversityNanchangChina
| | - Mei‐Wen Yang
- Department of NurseNanchang University HospitalNanchangChina
| | - Fen‐Fang Hong
- Department of Experimental Teaching CenterNanchang UniversityNanchangChina
| | - Shu‐Long Yang
- Department of Physiology, College of MedicineNanchang UniversityNanchangChina
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168
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Liu M, Yu S, Wang J, Qiao J, Liu Y, Wang S, Zhao Y. Ginseng protein protects against mitochondrial dysfunction and neurodegeneration by inducing mitochondrial unfolded protein response in Drosophila melanogaster PINK1 model of Parkinson's disease. JOURNAL OF ETHNOPHARMACOLOGY 2020; 247:112213. [PMID: 31562951 DOI: 10.1016/j.jep.2019.112213] [Citation(s) in RCA: 45] [Impact Index Per Article: 11.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/23/2019] [Revised: 08/09/2019] [Accepted: 08/31/2019] [Indexed: 06/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Historical literature and pharmacological studies demonstrate that ginseng, one of the most popular herbal medicines in China, holds potential benefits for Parkinson's disease (PD). AIM OF THE STUDY Studies in Drosophila melanogaster (Dm) have highlighted mitochondrial dysfunction upon loss of PTEN-induced putative kinase 1 (PINK1) as a central mechanism of PD pathogenesis. Using PINK1B9 mutant Dm, we aimed to explore the therapeutic action of ginseng total protein (GTP) on PD and provide in-depth scientific interpretation about the traditional efficacy of ginseng. MATERIALS AND METHODS We first used gel chromatography to purify GTP and confirmed its molecular weight by SDS-PAGE. Effects of GTP on PINK1B9 mutants, which were supplied with standard diet from larvae to adult stages, were assayed in flies aged 3-6 (I), 10-15 (II), and 20-25 (III) days. Parkinson-like phenotypes were analyzed by evaluating lifespan, dopaminergic neurons, dopamine levels, and locomotor ability. Mitochondrial function was assessed by evaluating ATP production, respirometry, and mitochondrial DNA. In addition, reactive oxygen species were measured using dihydroethidium and 2',7'-dichlorodihydrofluorescein diacetate staining. PD-related oxidative stress was simulated by paraquat and rotenone, and mitochondrial membrane potential was measured using JC-10 reagent. Protein and mRNA expression was detected by Western blot and real-time quantitative reverse transcription polymerase chain reaction, respectively. RESULTS This study demonstrates for the first time that GTP treatment delays the onset of a Parkinson-like phenotype in PINK1B9 Dm, including prolongation of lifespan and rescue of climbing ability, as well as rescue of the progressive loss of a cluster of dopaminergic neurons in the protocerebral posterior lateral 1 region, which was accompanied by a significant increase of dopamine content in the brain. In addition, GTP notably reduced the penetrance of abnormal wing position, indicating a strong inhibitory effect on indirect flight muscle degeneration. We further showed that GTP could promote maintenance of mitochondrial function and protect mitochondria from PD-associated oxidative stress by activating the mitochondrial unfolded protein response (UPRmt). CONCLUSIONS GTP protected against mitochondrial dysfunction and neurodegeneration by inducing UPRmt in the Dm PINK1B9 model of PD. Our results suggest that GTP is a promising candidate for PD, and reveal a new mechanism by which ginseng is neuroprotective.
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Affiliation(s)
- Meichen Liu
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, China.
| | - Shiting Yu
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, China.
| | - Jiawen Wang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, China.
| | - Juhui Qiao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, China.
| | - Ying Liu
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, China.
| | - Siming Wang
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, China.
| | - Yu Zhao
- Jilin Ginseng Academy, Changchun University of Chinese Medicine, Changchun, 130117, China.
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169
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Wang W, Pang J, Ha EH, Zhou M, Li Z, Tian S, Li H, Hu Q. Development of novel NLRP3-XOD dual inhibitors for the treatment of gout. Bioorg Med Chem Lett 2020; 30:126944. [PMID: 31924495 DOI: 10.1016/j.bmcl.2019.126944] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/20/2019] [Revised: 12/20/2019] [Accepted: 12/28/2019] [Indexed: 12/15/2022]
Abstract
Gout is a crystalline-related arthropathy caused by the deposition of monosodium urate (MSU). Acute gouty arthritis is the most common first symptom of gout. Studies have shown that NOD-like receptor protein 3 (NLRP3) inflammasome as pattern recognition receptors can be activated by uric acid crystallization, triggering immune inflammation and causing acute gouty arthritis symptoms. Currently, the treatment of gout mainly includes two basic methods: reducing uric acid and alleviating inflammation. In this paper, 22 novel benzoxazole and benzimidazole derivatives were synthesized from deoxybenzoin oxime derivatives. These compounds have good inhibitory effects on NLRP3 and XOD screened by our research group in the early stage. The inhibitory activities of XOD and NLRP3 and their derivatives were also screened. Notably, compound 9b is a multi-targeting inhibitor of NLRP3 and XOD with excellent potency in treating hyperuricemia and acute gouty arthritis.
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Affiliation(s)
- Weiwei Wang
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, PR China
| | - Jing Pang
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, PR China
| | - Eun Hee Ha
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, PR China
| | - Mengze Zhou
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, PR China
| | - Zhubin Li
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, PR China
| | - Sheng Tian
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, PR China
| | - Huanqiu Li
- Department of Medicinal Chemistry, College of Pharmaceutical Sciences, Soochow University, Suzhou 215123, PR China.
| | - Qinghua Hu
- Department of Pharmacology, School of Pharmacy, China Pharmaceutical University, Nanjing 210009, PR China.
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170
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Katano M, Kajimoto K, Iinuma M, Azuma K, Kubo KY. Tooth loss early in life induces hippocampal morphology remodeling in senescence-accelerated mouse prone 8 (SAMP8) mice. Int J Med Sci 2020; 17:517-524. [PMID: 32174782 PMCID: PMC7053313 DOI: 10.7150/ijms.40241] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Accepted: 01/15/2020] [Indexed: 11/05/2022] Open
Abstract
Long-term tooth loss is associated with the suppression of hippocampal neurogenesis and impairment of hippocampus-dependent cognition with aging. The morphologic basis of the hippocampal alterations, however, remains unclear. In the present study, we investigated whether tooth loss early in life affects the hippocampal ultrastructure in senescence-accelerated mouse prone 8 (SAMP8) mice, using transmission electron microscopy. Male SAMP8 mice were randomized into control or tooth-loss groups. All maxillary molar teeth were removed at 1 month of age. Hippocampal morphologic alterations were evaluated at 9 months of age. Tooth loss early in life induced mitochondrial damage and lipofuscin accumulation in the hippocampal neurons. A thinner myelin sheath and decreased postsynaptic density length were also observed. Our results revealed that tooth loss early in life may lead to hippocampal ultrastructure remodeling and subsequent hippocampus-dependent cognitive impairment in SAMP8 mice with aging.
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Affiliation(s)
- Masahisa Katano
- Department of Pediatric Dentistry, Asahi University School of Dentistry, 1851 Hozumi, Mizuho, Gifu, 501-0296, Japan
| | - Kyoko Kajimoto
- Department of Pediatric Dentistry, Asahi University School of Dentistry, 1851 Hozumi, Mizuho, Gifu, 501-0296, Japan
| | - Mitsuo Iinuma
- Department of Pediatric Dentistry, Asahi University School of Dentistry, 1851 Hozumi, Mizuho, Gifu, 501-0296, Japan
| | - Kagaku Azuma
- Department of Anatomy, School of Medicine, University of Occupational and Environmental Health, 1-1 Iseigaoka, Yahatanishi-ku, Kitakyushu, Fukuoka, 807-8555, Japan
| | - Kin-Ya Kubo
- Graduate School of Human Life Science, Nagoya Women's University, 3-40 Shioji-cho, Mizuho-ku, Nagoya, Aichi, 467-8610, Japan
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171
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Xie L, Huang W, Fang Z, Ding F, Zou F, Ma X, Tao J, Guo J, Xia X, Wang H, Yu Z, Lu F, Jiang J. CircERCC2 ameliorated intervertebral disc degeneration by regulating mitophagy and apoptosis through miR-182-5p/SIRT1 axis. Cell Death Dis 2019; 10:751. [PMID: 31582722 PMCID: PMC6776655 DOI: 10.1038/s41419-019-1978-2] [Citation(s) in RCA: 97] [Impact Index Per Article: 19.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2019] [Revised: 09/04/2019] [Accepted: 09/16/2019] [Indexed: 12/21/2022]
Abstract
The molecular mechanism of intervertebral disc degeneration (IVDD) remains unclear. This study aimed to investigate the role of circular RNAs (circRNAs) in the pathogenesis of IVDD. We sued nucleus pulposus (NP) tissues of patients, tert-butyl hydroperoxide (TBHP) stimulated NP cells (NPCs), and IVDD rat model to explore the interaction between circERCC2 and miR-182-5p/SIRT1 axis. The results showed that downregulation of circERCC2 increased the level of miR-182-5p and decreased the level of SIRT1 in degenerative NP tissues in vivo as well as in TBHP-stimulated NPCs in vitro. Treatment of SIRT1-si activated apoptosis and inhibited mitophagy. Moreover, miR-182-5p-si could regulate the mitophagy and the apoptosis of NPCs by targeting SIRT1. The effects of circERCC2 on NPCs and IVDD rat model were mediated by miR-182-5p/SIRT1 axis. In conclusion, this study provides the first evidence that circERCC2 could ameliorate IVDD through miR-182-5p/SIRT1 axis by activating mitophagy and inhibiting apoptosis, and suggests that circERCC2 is a potentially effective therapeutic target for IVDD.
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Affiliation(s)
- Lin Xie
- Department of Orthopedics, Huashan Hospital, Fudan University, 12 Mid-Wulumuqi Road, Shanghai, 200040, China
| | - Weibo Huang
- Department of Orthopedics, Huashan Hospital, Fudan University, 12 Mid-Wulumuqi Road, Shanghai, 200040, China
| | - Zhenhua Fang
- Department of Orthopedic Surgery, Wuhan Fourth Hospital, Huazhong University of Science and Technology, 473 Hanzheng Street, Wuhan, 430000, China
| | - Fan Ding
- Department of Spinal Surgery, Wuhan Puren Hospital, Wuhan University of Science and Technology, 1 Benxi Street, Wuhan, 430080, China
| | - Fei Zou
- Department of Orthopedics, Huashan Hospital, Fudan University, 12 Mid-Wulumuqi Road, Shanghai, 200040, China
| | - Xiaosheng Ma
- Department of Orthopedics, Huashan Hospital, Fudan University, 12 Mid-Wulumuqi Road, Shanghai, 200040, China
| | - Jie Tao
- Laboratory of Neuropharmacology and Neurotoxicology, Shanghai University, 381 Nanchen Road, Shanghai, 200436, China
| | - Jingkang Guo
- Laboratory of Neuropharmacology and Neurotoxicology, Shanghai University, 381 Nanchen Road, Shanghai, 200436, China
| | - Xinlei Xia
- Department of Orthopedics, Huashan Hospital, Fudan University, 12 Mid-Wulumuqi Road, Shanghai, 200040, China
| | - Hongli Wang
- Department of Orthopedics, Huashan Hospital, Fudan University, 12 Mid-Wulumuqi Road, Shanghai, 200040, China.
| | - Zuochong Yu
- Department of Orthopedics, Huashan Hospital, Fudan University, 12 Mid-Wulumuqi Road, Shanghai, 200040, China
- Department of Orthopedic Surgery, Jinshan Hospital, Fudan University, 1508 Longhang Road, Shanghai, 201508, China
| | - Feizhou Lu
- Department of Orthopedics, Huashan Hospital, Fudan University, 12 Mid-Wulumuqi Road, Shanghai, 200040, China
- Department of Orthopedic Surgery, The Fifth People's Hospital of Shanghai, Fudan University, 128 Ruili Road, Shanghai, 201100, China
| | - Jianyuan Jiang
- Department of Orthopedics, Huashan Hospital, Fudan University, 12 Mid-Wulumuqi Road, Shanghai, 200040, China.
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172
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Affiliation(s)
- Fang Lin
- Department of Pharmacology, Laboratory of Aging and Nervous Diseases (SZS0703)Soochow University School of Pharmaceutical ScienceSu ZhouChina
| | - Shou‐Qing Luo
- Peninsula Schools of Medicine and Dentistry, Institute of Translational and Stratified MedicineUniversity of PlymouthPlymouthUK
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173
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Measuring Respiration in Isolated Murine Brain Mitochondria: Implications for Mechanistic Stroke Studies. Neuromolecular Med 2019; 21:493-504. [PMID: 31172441 DOI: 10.1007/s12017-019-08552-8] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/19/2019] [Accepted: 05/29/2019] [Indexed: 11/26/2022]
Abstract
Measuring mitochondrial respiration in brain tissue is very critical in understanding the physiology and pathology of the central nervous system. Particularly, measurement of respiration in isolated mitochondria provides the advantage over the whole cells or tissues as the changes in respiratory function are intrinsic to mitochondrial structures rather than the cellular signaling that regulates mitochondria. Moreover, a high-throughput technique for measuring mitochondrial respiration minimizes the experimental time and the sample-to-sample variation. Here, we provide a detailed protocol for measuring respiration in isolated brain non-synaptosomal mitochondria using Agilent Seahorse XFe24 Analyzer. We optimized the protocol for the amount of mitochondria and concentrations of ADP, oligomycin, and trifluoromethoxy carbonylcyanide phenylhydrazone (FCCP) for measuring respiratory parameters for complex I-mediated respiration. In addition, we measured complex II-mediated respiratory parameters. We observed that 10 µg of mitochondrial protein per well, ADP concentrations ranging between 2.5 and 10 mmol/L along with 5 µmol/L of oligomycin, and 5 µmol/L of FCCP are ideal for measuring the complex I-mediated respiration in isolated mouse brain mitochondria. Furthermore, we determined that 2.5 µg of mitochondrial protein per well is ideal for measuring complex II-mediated respiration. Notably, we provide a discussion of logical analysis of data and how the assay could be utilized to design mechanistic studies for experimental stroke. In conclusion, we provide detailed experimental design for measurement of various respiratory parameters in isolated brain mitochondria utilizing a novel high-throughput technique along with interpretation and analysis of data.
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Wang Y, Xu E, Musich PR, Lin F. Mitochondrial dysfunction in neurodegenerative diseases and the potential countermeasure. CNS Neurosci Ther 2019; 25:816-824. [PMID: 30889315 PMCID: PMC6566063 DOI: 10.1111/cns.13116] [Citation(s) in RCA: 168] [Impact Index Per Article: 33.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 02/13/2019] [Accepted: 02/13/2019] [Indexed: 12/15/2022] Open
Abstract
Mitochondria not only supply the energy for cell function, but also take part in cell signaling. This review describes the dysfunctions of mitochondria in aging and neurodegenerative diseases, and the signaling pathways leading to mitochondrial biogenesis (including PGC‐1 family proteins, SIRT1, AMPK) and mitophagy (parkin‐Pink1 pathway). Understanding the regulation of these mitochondrial pathways may be beneficial in finding pharmacological approaches or lifestyle changes (caloric restrict or exercise) to modulate mitochondrial biogenesis and/or to activate mitophagy for the removal of damaged mitochondria, thus reducing the onset and/or severity of neurodegenerative diseases.
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Affiliation(s)
- Yan Wang
- Department of Pharmacology, Laboratory of Aging and Nervous Diseases, School of Pharmaceutical Science, Soochow University, Suzhou, China.,Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Erin Xu
- Department of Pediatrics, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Phillip R Musich
- Department of Biomedical Sciences, Quillen College of Medicine, East Tennessee State University, Johnson City, Tennessee
| | - Fang Lin
- Department of Pharmacology, Laboratory of Aging and Nervous Diseases, School of Pharmaceutical Science, Soochow University, Suzhou, China
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