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Singh N, Nandy SK, Jyoti A, Saxena J, Sharma A, Siddiqui AJ, Sharma L. Protein Kinase C (PKC) in Neurological Health: Implications for Alzheimer's Disease and Chronic Alcohol Consumption. Brain Sci 2024; 14:554. [PMID: 38928554 PMCID: PMC11201589 DOI: 10.3390/brainsci14060554] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2024] [Revised: 05/24/2024] [Accepted: 05/28/2024] [Indexed: 06/28/2024] Open
Abstract
Protein kinase C (PKC) is a diverse enzyme family crucial for cell signalling in various organs. Its dysregulation is linked to numerous diseases, including cancer, cardiovascular disorders, and neurological problems. In the brain, PKC plays pivotal roles in synaptic plasticity, learning, memory, and neuronal survival. Specifically, PKC's involvement in Alzheimer's Disease (AD) pathogenesis is of significant interest. The dysregulation of PKC signalling has been linked to neurological disorders, including AD. This review elucidates PKC's pivotal role in neurological health, particularly its implications in AD pathogenesis and chronic alcohol addiction. AD, characterised by neurodegeneration, implicates PKC dysregulation in synaptic dysfunction and cognitive decline. Conversely, chronic alcohol consumption elicits neural adaptations intertwined with PKC signalling, exacerbating addictive behaviours. By unravelling PKC's involvement in these afflictions, potential therapeutic avenues emerge, offering promise for ameliorating their debilitating effects. This review navigates the complex interplay between PKC, AD pathology, and alcohol addiction, illuminating pathways for future neurotherapeutic interventions.
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Affiliation(s)
- Nishtha Singh
- Department of Pharmacology, School of Pharmaceutical Sciences, Shoolini University of Biotechnology, and Management Sciences, Solan 173229, Himachal Pradesh, India; (N.S.); (A.S.)
| | - Shouvik Kumar Nandy
- School of Pharmacy, Techno India University, Sector-V, Kolkata 700091, West Bengal, India;
| | - Anupam Jyoti
- Department of Life Science, Parul Institute of Applied Science, Parul University, Vadodara 391760, Gujarat, India;
| | - Juhi Saxena
- Department of Biotechnology, Parul Institute of Technology, Parul University, Vadodara 391760, Gujarat, India;
| | - Aditi Sharma
- Department of Pharmacology, School of Pharmaceutical Sciences, Shoolini University of Biotechnology, and Management Sciences, Solan 173229, Himachal Pradesh, India; (N.S.); (A.S.)
| | - Arif Jamal Siddiqui
- Department of Biology, College of Science, University of Hail, Hail 55476, Saudi Arabia
| | - Lalit Sharma
- Department of Pharmacology, School of Pharmaceutical Sciences, Shoolini University of Biotechnology, and Management Sciences, Solan 173229, Himachal Pradesh, India; (N.S.); (A.S.)
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Sequeira L, Benfeito S, Fernandes C, Lima I, Peixoto J, Alves C, Machado CS, Gaspar A, Borges F, Chavarria D. Drug Development for Alzheimer's and Parkinson's Disease: Where Do We Go Now? Pharmaceutics 2024; 16:708. [PMID: 38931832 PMCID: PMC11206728 DOI: 10.3390/pharmaceutics16060708] [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: 04/04/2024] [Revised: 05/15/2024] [Accepted: 05/22/2024] [Indexed: 06/28/2024] Open
Abstract
Neurodegenerative diseases (NDs) are a set of progressive, chronic, and incurable diseases characterized by the gradual loss of neurons, culminating in the decline of cognitive and/or motor functions. Alzheimer's disease (AD) and Parkinson's disease (PD) are the most common NDs and represent an enormous burden both in terms of human suffering and economic cost. The available therapies for AD and PD only provide symptomatic and palliative relief for a limited period and are unable to modify the diseases' progression. Over the last decades, research efforts have been focused on developing new pharmacological treatments for these NDs. However, to date, no breakthrough treatment has been discovered. Hence, the development of disease-modifying drugs able to halt or reverse the progression of NDs remains an unmet clinical need. This review summarizes the major hallmarks of AD and PD and the drugs available for pharmacological treatment. It also sheds light on potential directions that can be pursued to develop new, disease-modifying drugs to treat AD and PD, describing as representative examples some advances in the development of drug candidates targeting oxidative stress and adenosine A2A receptors.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Fernanda Borges
- CIQUP-IMS—Centro de Investigação em Química da Universidade do Porto, Institute of Molecular Sciences, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, R. Campo Alegre s/n, 4169-007 Porto, Portugal
| | - Daniel Chavarria
- CIQUP-IMS—Centro de Investigação em Química da Universidade do Porto, Institute of Molecular Sciences, Department of Chemistry and Biochemistry, Faculty of Sciences, University of Porto, R. Campo Alegre s/n, 4169-007 Porto, Portugal
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Del Rio Naiz SC, Varela KG, de Carvalho D, Remor AP. Probucol neuroprotection against manganese-induced damage in adult Wistar rat brain slices. Toxicol Ind Health 2023; 39:638-650. [PMID: 37705340 DOI: 10.1177/07482337231201565] [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] [Indexed: 09/15/2023]
Abstract
Manganese (Mn) is an abundant element used for commercial purposes and is essential for the proper function of biological systems. Chronic exposure to high Mn concentrations causes Manganism, a Parkinson's-like neurological disorder. The pathophysiological mechanism of Manganism remains unknown; however, it involves mitochondrial dysfunction and oxidative stress. This study assessed the neuroprotective effect of probucol, a hypolipidemic agent with anti-inflammatory and antioxidant properties, on cell viability and oxidative stress in slices of the cerebral cortex and striatum from adult male Wistar rats. Brain structure slices were kept separately and incubated with manganese chloride (MnCl2) and probucol to evaluate the cell viability and oxidative parameters. Probucol prevented Mn toxicity in the cerebral cortex and striatum, as evidenced by the preservation of cell viability observed with probucol (10 and 30 μM) pre-treatment, as well as the prevention of mitochondrial complex I inhibition in the striatum (30 μM). These findings support the protective antioxidant action of probucol, attributed to its ability to prevent cell death and mitigate Mn-induced mitochondrial dysfunction.
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Affiliation(s)
| | - Karina Giacomini Varela
- Programa de Pós-Graduação em Biociências e Saúde (PPGBS), Área de Ciências da Vida e Saúde, Universidade do Oeste de Santa Catarina (UNOESC), Joaçaba, Brazil
| | - Diego de Carvalho
- Programa de Pós-Graduação em Biociências e Saúde (PPGBS), Área de Ciências da Vida e Saúde, Universidade do Oeste de Santa Catarina (UNOESC), Joaçaba, Brazil
| | - Aline Pertile Remor
- Programa de Pós-Graduação em Biociências e Saúde (PPGBS), Área de Ciências da Vida e Saúde, Universidade do Oeste de Santa Catarina (UNOESC), Joaçaba, Brazil
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Muñoz-Ballester C, Robel S. Astrocyte-mediated mechanisms contribute to traumatic brain injury pathology. WIREs Mech Dis 2023; 15:e1622. [PMID: 37332001 PMCID: PMC10526985 DOI: 10.1002/wsbm.1622] [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: 03/04/2023] [Revised: 05/25/2023] [Accepted: 05/29/2023] [Indexed: 06/20/2023]
Abstract
Astrocytes respond to traumatic brain injury (TBI) with changes to their molecular make-up and cell biology, which results in changes in astrocyte function. These changes can be adaptive, initiating repair processes in the brain, or detrimental, causing secondary damage including neuronal death or abnormal neuronal activity. The response of astrocytes to TBI is often-but not always-accompanied by the upregulation of intermediate filaments, including glial fibrillary acidic protein (GFAP) and vimentin. Because GFAP is often upregulated in the context of nervous system disturbance, reactive astrogliosis is sometimes treated as an "all-or-none" process. However, the extent of astrocytes' cellular, molecular, and physiological adjustments is not equal for each TBI type or even for each astrocyte within the same injured brain. Additionally, new research highlights that different neurological injuries and diseases result in entirely distinctive and sometimes divergent astrocyte changes. Thus, extrapolating findings on astrocyte biology from one pathological context to another is problematic. We summarize the current knowledge about astrocyte responses specific to TBI and point out open questions that the field should tackle to better understand how astrocytes shape TBI outcomes. We address the astrocyte response to focal versus diffuse TBI and heterogeneity of reactive astrocytes within the same brain, the role of intermediate filament upregulation, functional changes to astrocyte function including potassium and glutamate homeostasis, blood-brain barrier maintenance and repair, metabolism, and reactive oxygen species detoxification, sex differences, and factors influencing astrocyte proliferation after TBI. This article is categorized under: Neurological Diseases > Molecular and Cellular Physiology.
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Affiliation(s)
- Carmen Muñoz-Ballester
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama, USA
| | - Stefanie Robel
- Department of Cell, Developmental, and Integrative Biology, University of Alabama at Birmingham, Birmingham, Alabama, USA
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Crosstalk between Oxidative Stress and Aging in Neurodegeneration Disorders. Cells 2023; 12:cells12050753. [PMID: 36899889 PMCID: PMC10001353 DOI: 10.3390/cells12050753] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2023] [Revised: 02/11/2023] [Accepted: 02/22/2023] [Indexed: 03/02/2023] Open
Abstract
The world population is aging rapidly, and increasing lifespan exacerbates the burden of age-related health issues. On the other hand, premature aging has begun to be a problem, with increasing numbers of younger people suffering aging-related symptoms. Advanced aging is caused by a combination of factors: lifestyle, diet, external and internal factors, as well as oxidative stress (OS). Although OS is the most researched aging factor, it is also the least understood. OS is important not only in relation to aging but also due to its strong impact on neurodegenerative diseases such as amyotrophic lateral sclerosis (ALS), frontotemporal dementia (FTD), Alzheimer's disease (AD), and Parkinson's disease (PD). In this review, we will discuss the aging process in relation to OS, the function of OS in neurodegenerative disorders, and prospective therapeutics capable of relieving neurodegenerative symptoms associated with the pro-oxidative condition.
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Mhalhel K, Sicari M, Pansera L, Chen J, Levanti M, Diotel N, Rastegar S, Germanà A, Montalbano G. Zebrafish: A Model Deciphering the Impact of Flavonoids on Neurodegenerative Disorders. Cells 2023; 12:cells12020252. [PMID: 36672187 PMCID: PMC9856690 DOI: 10.3390/cells12020252] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2022] [Revised: 12/17/2022] [Accepted: 01/04/2023] [Indexed: 01/11/2023] Open
Abstract
Over the past century, advances in biotechnology, biochemistry, and pharmacognosy have spotlighted flavonoids, polyphenolic secondary metabolites that have the ability to modulate many pathways involved in various biological mechanisms, including those involved in neuronal plasticity, learning, and memory. Moreover, flavonoids are known to impact the biological processes involved in developing neurodegenerative diseases, namely oxidative stress, neuroinflammation, and mitochondrial dysfunction. Thus, several flavonoids could be used as adjuvants to prevent and counteract neurodegenerative disorders such as Alzheimer's and Parkinson's diseases. Zebrafish is an interesting model organism that can offer new opportunities to study the beneficial effects of flavonoids on neurodegenerative diseases. Indeed, the high genome homology of 70% to humans, the brain organization largely similar to the human brain as well as the similar neuroanatomical and neurochemical processes, and the high neurogenic activity maintained in the adult brain makes zebrafish a valuable model for the study of human neurodegenerative diseases and deciphering the impact of flavonoids on those disorders.
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Affiliation(s)
- Kamel Mhalhel
- Zebrafish Neuromorphology Lab., Department of Veterinary Sciences, University of Messina, Via Giovanni Palatucci snc, 98168 Messina, Italy
| | - Mirea Sicari
- Zebrafish Neuromorphology Lab., Department of Veterinary Sciences, University of Messina, Via Giovanni Palatucci snc, 98168 Messina, Italy
| | - Lidia Pansera
- Zebrafish Neuromorphology Lab., Department of Veterinary Sciences, University of Messina, Via Giovanni Palatucci snc, 98168 Messina, Italy
| | - Jincan Chen
- Institute of Biological and Chemical Systems-Biological Information Processing (IBCS-BIP), Karlsruhe Institute of Technology (KIT), Campus North, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
| | - Maria Levanti
- Zebrafish Neuromorphology Lab., Department of Veterinary Sciences, University of Messina, Via Giovanni Palatucci snc, 98168 Messina, Italy
| | - Nicolas Diotel
- Université de la Réunion, UMR 1188 Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), Plateforme CYROI, F-97490 Sainte-Clotilde, France
| | - Sepand Rastegar
- Institute of Biological and Chemical Systems-Biological Information Processing (IBCS-BIP), Karlsruhe Institute of Technology (KIT), Campus North, Hermann-von-Helmholtz-Platz 1, 76344 Eggenstein-Leopoldshafen, Germany
- Correspondence: (S.R.); (G.M.); Tel.: +49-721-608-22507 (S.R.); +39-090-6766822 (G.M.)
| | - Antonino Germanà
- Zebrafish Neuromorphology Lab., Department of Veterinary Sciences, University of Messina, Via Giovanni Palatucci snc, 98168 Messina, Italy
| | - Giuseppe Montalbano
- Zebrafish Neuromorphology Lab., Department of Veterinary Sciences, University of Messina, Via Giovanni Palatucci snc, 98168 Messina, Italy
- Correspondence: (S.R.); (G.M.); Tel.: +49-721-608-22507 (S.R.); +39-090-6766822 (G.M.)
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Yoshiyama KO, Okamoto NL, Hidema J, Higashitani A. 222 nm far-UVC efficiently introduces nerve damage in Caenorhabditis elegans. PLoS One 2023; 18:e0281162. [PMID: 36719882 PMCID: PMC9888708 DOI: 10.1371/journal.pone.0281162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 01/16/2023] [Indexed: 02/01/2023] Open
Abstract
Far-ultraviolet radiation C light (far-UVC; 222 nm wavelength) has received attention as a safer light for killing pathogenic bacteria and viruses, as no or little DNA damage is observed after irradiation in mammalian skin models. Far-UVC does not penetrate deeply into tissues; therefore, it cannot reach the underlying critical basal cells. However, it was unclear whether far-UVC (222-UVC) irradiation could cause more biological damage at shallower depths than the 254 nm UVC irradiation (254-UVC), which penetrates more deeply. This study investigated the biological effects of 222- and 254-UVC on the small and transparent model organism Caenorhabditis elegans. At the same energy level of irradiation, 222-UVC introduced slightly less cyclobutane pyrimidine dimer damage to naked DNA in solution than 254-UVC. The survival of eggs laid during 0-4 h after irradiation showed a marked decrease with 254-UVC but not 222-UVC. In addition, defect of chromosomal condensation was observed in a full-grown oocyte by 254-UVC irradiation. In contrast, 222-UVC had a significant effect on the loss of motility of C. elegans. The sensory nervous system, which includes dopamine CEP and PVD neurons on the body surface, was severely damaged by 222-UVC, but not by the same dose of 254-UVC. Interestingly, increasing 254-UVC irradiation by about 10-fold causes similar damage to CEP neurons. These results suggest that 222-UVC is less penetrating, so energy transfer occurs more effectively in tissues near the surface, causing more severe damage than 254-UVC.
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Affiliation(s)
| | | | - Jun Hidema
- Graduate School of Life Sciences, Tohoku University, Sendai, Japan
- Division for the Establishment of Frontier Sciences of the Organization for Advanced Studies, Tohoku University, Sendai, Japan
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Siafaka PI, Okur ME, Erim PD, Çağlar EŞ, Özgenç E, Gündoğdu E, Köprülü REP, Karantas ID, Üstündağ Okur N. Protein and Gene Delivery Systems for Neurodegenerative Disorders: Where Do We Stand Today? Pharmaceutics 2022; 14:2425. [PMID: 36365243 PMCID: PMC9698227 DOI: 10.3390/pharmaceutics14112425] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2022] [Revised: 10/28/2022] [Accepted: 11/05/2022] [Indexed: 12/24/2023] Open
Abstract
It has been estimated that every year, millions of people are affected by neurodegenerative disorders, which complicate their lives and their caregivers' lives. To date, there has not been an approved pharmacological approach to provide the complete treatment of neurodegenerative disorders. The only available drugs may only relieve the symptoms or slow down the progression of the disease. The absence of any treatment is quite rational given that neurodegeneration occurs by the progressive loss of the function or structure of the nerve cells of the brain or the peripheral nervous system, which eventually leads to their death either by apoptosis or necrotic cell death. According to a recent study, even though adult brain cells are injured, they can revert to an embryonic state, which may help to restore their function. These interesting findings might open a new path for the development of more efficient therapeutic strategies to combat devastating neurodegenerative disorders. Gene and protein therapies have emerged as a rapidly growing field for various disorders, especially neurodegenerative diseases. Despite these promising therapies, the complete treatment of neurodegenerative disorders has not yet been achieved. Therefore, the aim of this review is to address the most up-to-date data for neurodegenerative diseases, but most importantly, to summarize the available delivery systems incorporating proteins, peptides, and genes that can potentially target such diseases and pass into the blood-brain barrier. The authors highlight the advancements, at present, on delivery based on the carrier, i.e., lipid, polymeric, and inorganic, as well as the recent studies on radiopharmaceutical theranostics.
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Affiliation(s)
| | - Mehmet Evren Okur
- Department of Pharmacology, Faculty of Pharmacy, University of Health Sciences, Istanbul 34668, Turkey
| | - Pelin Dilsiz Erim
- Department of Physiology, School of Medicine, Regenerative and Restorative Medical Research Center (REMER), Istanbul Medipol University, Istanbul 34810, Turkey
- Faculty of Pharmacy, Altınbaş University, Istanbul 34217, Turkey
| | - Emre Şefik Çağlar
- Department of Pharmaceutical Biotechnology, Faculty of Pharmacy, University of Health Sciences, Istanbul 34668, Turkey
| | - Emre Özgenç
- Department of Radiopharmacy, Faculty of Pharmacy, Ege University, Izmir 35040, Turkey
| | - Evren Gündoğdu
- Department of Radiopharmacy, Faculty of Pharmacy, Ege University, Izmir 35040, Turkey
| | - Rabia Edibe Parlar Köprülü
- Department of Medical Pharmacology, Institute of Health Sciences, İstanbul Medipol University, Istanbul 34810, Turkey
| | | | - Neslihan Üstündağ Okur
- Department of Pharmaceutical Technology, Faculty of Pharmacy, University of Health Sciences, Istanbul 34668, Turkey
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Bellomo G, Piscopo P, Corbo M, Pupillo E, Stipa G, Beghi E, Vanacore N, Lacorte E. A systematic review on the risk of neurodegenerative diseases and neurocognitive disorders in professional and varsity athletes. Neurol Sci 2022; 43:6667-6691. [PMID: 35976476 PMCID: PMC9663371 DOI: 10.1007/s10072-022-06319-x] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2022] [Accepted: 08/01/2022] [Indexed: 01/01/2023]
Abstract
Abstract
Objective
The aim of this systematic review (SR) was to gather all available epidemiological evidence on former participation in any type of sport, at a professional and varsity level, as a potential risk factor for neurodegenerative diseases (NDs) and neurocognitive disorders (NCDs).
Design
Systematic searches were performed on PubMed, the Cochrane databases, and the ISI Web of Knowledge databases. Included studies were assessed using the NOS checklist.
Eligibility criteria for selecting studies
All epidemiological studies reporting data on the possible association between a clinical diagnosis of amyotrophic lateral sclerosis (ALS)/motor neuron disease (MND), dementia or mild cognitive impairment (MCI), Parkinson’s disease (PD), chronic traumatic encephalopathy (CTE) at any stage and with any clinical pattern and the former participation in any types of sport at a varsity and professional level were included.
Results
Data from the 17 included studies showed a higher frequency of NDs and NCDs in former soccer and American football players. Updating the previous SR confirmed a higher frequency of ALS/MND in former soccer players. Data reported a significantly higher risk of dementia/AD in former soccer players, and of MCI in former American football players. Results also showed a significantly higher risk of PD in former soccer and American football players, and a significantly higher risk of CTE in former boxers and American football players.
Summary/conclusions
This SR confirmed a higher risk of NDs and NCDs in former professional/varsity athletes. However, the pathological mechanisms underlying this association remain unclear, and further high-quality studies should be performed to clarify whether the association could be sport specific.
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Affiliation(s)
- G Bellomo
- National Center for Disease Prevention and Health Promotion, Italian National Institute of Health, Rome, Italy.
| | - P Piscopo
- Department of Neurosciences, Italian National Institute of Health, Rome, Italy
| | - M Corbo
- Department of Neurorehabilitation Sciences, Casa Cura Policlinico, Milan, Italy
| | - E Pupillo
- Istituto Di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - G Stipa
- Clinical Neurophysiology Division, Neuroscience Department, S. Maria University Hospital, Terni, Italy
| | - E Beghi
- Istituto Di Ricerche Farmacologiche Mario Negri IRCCS, Milan, Italy
| | - N Vanacore
- National Center for Disease Prevention and Health Promotion, Italian National Institute of Health, Rome, Italy
| | - E Lacorte
- National Center for Disease Prevention and Health Promotion, Italian National Institute of Health, Rome, Italy
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Zehravi M, Kabir J, Akter R, Malik S, Ashraf GM, Tagde P, Ramproshad S, Mondal B, Rahman MH, Mohan AG, Cavalu S. A Prospective Viewpoint on Neurological Diseases and Their Biomarkers. Molecules 2022; 27:molecules27113516. [PMID: 35684455 PMCID: PMC9182418 DOI: 10.3390/molecules27113516] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2022] [Revised: 05/25/2022] [Accepted: 05/26/2022] [Indexed: 02/04/2023] Open
Abstract
Neurodegenerative diseases (NDDs) are disorders that affect both the central and peripheral nervous systems. To name a few causes, NDDs can be caused by ischemia, oxidative and endoplasmic reticulum (ER) cell stress, inflammation, abnormal protein deposition in neural tissue, autoimmune-mediated neuron loss, and viral or prion infections. These conditions include Alzheimer's disease (AD), Lewy body dementia (LBD), and Parkinson's disease (PD). The formation of β-sheet-rich aggregates of intra- or extracellular proteins in the CNS hallmarks all neurodegenerative proteinopathies. In systemic lupus erythematosus (SLE), numerous organs, including the central nervous system (CNS), are affected. However, the inflammatory process is linked to several neurodegenerative pathways that are linked to depression because of NDDs. Pro-inflammatory signals activated by aging may increase vulnerability to neuropsychiatric disorders. Viruses may increase macrophages and CCR5+ T cells within the CNS during dementia formation and progression. Unlike medical symptoms, which are just signs of a patient's health as expressed and perceived, biomarkers are reproducible and quantitative. Therefore, this current review will highlight and summarize the neurological disorders and their biomarkers.
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Affiliation(s)
- Mehrukh Zehravi
- Department of Clinical Pharmacy Girls Section, Prince Sattam Bin Abdul Aziz University, Alkharj 11942, Saudi Arabia
- Correspondence: (M.Z.); (M.H.R.); (S.C.)
| | - Janisa Kabir
- Key Laboratory of Modern Chinese Medicines, China Pharmaceutical University, Nanjing 210009, China;
| | - Rokeya Akter
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Gangwon-do, Wonju 26426, Korea;
| | - Sumira Malik
- Amity Institute of Biotechnology, Amity University Jharkhand, Ranchi, Jharkhand 834001, India;
| | - Ghulam Md. Ashraf
- Pre-Clinical Research Unit, King Fahd Medical Research Center, King Abdulaziz University, Jeddah 21589, Saudi Arabia;
- Department of Medical Laboratory Sciences, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - Priti Tagde
- Amity Institute of Pharmacy, Amity University, Noida 201301, India;
| | - Sarker Ramproshad
- Department of Pharmacy, Ranada Prasad Shaha University, Narayanganj 1400, Bangladesh; (S.R.); (B.M.)
| | - Banani Mondal
- Department of Pharmacy, Ranada Prasad Shaha University, Narayanganj 1400, Bangladesh; (S.R.); (B.M.)
| | - Md. Habibur Rahman
- Department of Global Medical Science, Wonju College of Medicine, Yonsei University, Gangwon-do, Wonju 26426, Korea;
- Correspondence: (M.Z.); (M.H.R.); (S.C.)
| | - Aurel George Mohan
- Faculty of Medicine and Pharmacy, University of Oradea, P-ta 1 Decembrie 10, 410087 Oradea, Romania;
| | - Simona Cavalu
- Faculty of Medicine and Pharmacy, University of Oradea, P-ta 1 Decembrie 10, 410087 Oradea, Romania;
- Correspondence: (M.Z.); (M.H.R.); (S.C.)
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Neuroprotective Effects and Therapeutic Potential of the Citrus Flavonoid Hesperetin in Neurodegenerative Diseases. Nutrients 2022; 14:nu14112228. [PMID: 35684025 PMCID: PMC9183194 DOI: 10.3390/nu14112228] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2022] [Revised: 05/19/2022] [Accepted: 05/23/2022] [Indexed: 12/13/2022] Open
Abstract
Neurodegenerative disorders affect more than fifty million Americans each year and represent serious health threats as the population ages. Neuroinflammation and oxidative stress are critical in the onset, progression, and pathogenesis of neurodegenerative diseases such as Alzheimer’s (AD), Parkinson’s (PD), and amyotrophic lateral sclerosis (ALS). A wide range of natural compounds has been investigated because of their antioxidant, anti-inflammatory, and neuroprotective properties. The citrus flavonoid hesperetin (HPT), an aglycone of hesperidin found in oranges, mandarins, and lemons, has been extensively reported to exert neuroprotective effects in experimental models of neurogenerative diseases. This review has compiled multiple studies on HPT in both in vivo and in vitro models to study neurodegeneration. We focused on the modulatory effects of hesperetin on the release of cellular anti-inflammatory and antioxidative stress mediators. Additionally, this review discusses the hesperetin effect in maintaining the levels of microRNA (miRNA) and modulating autophagy as it relates to hesperetin’s protective mechanisms against neurodegeneration. Moreover, this review is focused on providing experimental data for hesperetin’s potential as a neuroprotective compound and discusses reported evidence that HPT crosses the blood–brain barrier. In summary, this review shows the evidence available in the literature to indicate the efficacy of hesperetin in delaying the onset of neurodegenerative diseases.
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Tyagi S, Shekhar N, Thakur AK. Protective Role of Capsaicin in Neurological Disorders: An Overview. Neurochem Res 2022; 47:1513-1531. [PMID: 35150419 DOI: 10.1007/s11064-022-03549-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2021] [Revised: 02/04/2022] [Accepted: 02/05/2022] [Indexed: 11/24/2022]
Abstract
Different pathological conditions that begin with slow and progressive deformations, cause irreversible affliction by producing loss of neurons and synapses. Commonly it is referred to as 'protein misfolding' diseases or proteinopathies and comprises the latest definition of neurological disorders (ND). Protein misfolding dynamics, proteasomal dysfunction, aggregation, defective degradation, oxidative stress, free radical formation, mitochondrial dysfunctions, impaired bioenergetics, DNA damage, neuronal Golgi apparatus fragmentation, axonal transport disruption, Neurotrophins (NTFs) dysfunction, neuroinflammatory or neuroimmune processes, and neurohumoral changes are the several mechanisms that embark the pathogenesis of ND. Capsaicin (8-Methyl-N-vanillyl-6-nonenamide) one of the major phenolic components in chili peppers (Capsicum) distinctively triggers the unmyelinated C-fiber and acts on Transient Receptor Potential Vanilloid-1, which is a Ca2+ permeable, non-selective cation channel. Several studies have shown the neuroprotective role of capsaicin against oxidative damage, behavioral impairment, with 6-hydroxydopamine (6-OHDA) induced Parkinson's disease, pentylenetetrazol-induced seizures, global cerebral ischemia, and streptozotocin-induced Alzheimer's disease. Based on these lines of evidence, capsaicin can be considered as a potential constituent to develop suitable neuro-pharmacotherapeutics for the management and treatment of ND. Furthermore, exploring newer horizons and carrying out proper clinical trials would help to bring out the promising effects of capsaicin to be recommended as a neuroprotectant.
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Affiliation(s)
- Sakshi Tyagi
- Neuropharmacology Research Laboratory, School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University, New Delhi, 110 017, India
| | - Nikhila Shekhar
- Neuropharmacology Research Laboratory, School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University, New Delhi, 110 017, India
| | - Ajit Kumar Thakur
- Neuropharmacology Research Laboratory, School of Pharmaceutical Sciences, Delhi Pharmaceutical Sciences and Research University, New Delhi, 110 017, India.
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Karaboğa MNS, Sezgintürk MK. Biosensor approaches on the diagnosis of neurodegenerative diseases: Sensing the past to the future. J Pharm Biomed Anal 2022; 209:114479. [PMID: 34861607 DOI: 10.1016/j.jpba.2021.114479] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2021] [Revised: 11/05/2021] [Accepted: 11/14/2021] [Indexed: 12/12/2022]
Abstract
Early diagnosis of neurodegeneration-oriented diseases that develop with the aging world is essential for improving the patient's living conditions as well as the treatment of the disease. Alzheimer's and Parkinson's diseases are prominent examples of neurodegeneration characterized by dementia leading to the death of nerve cells. The clinical diagnosis of these diseases only after the symptoms appear, delays the treatment process. Detection of biomarkers, which are distinctive molecules in biological fluids, involved in neurodegeneration processes, has the potential to allow early diagnosis of neurodegenerative diseases. Studies on biosensors, whose main responsibility is to detect the target analyte with high specificity, has gained momentum in recent years with the aim of high detection of potential biomarkers of neurodegeneration process. This study aims to provide an overview of neuro-biosensors developed on the basis of biomarkers identified in biological fluids for the diagnosis of neurodegenerative diseases such as Alzheimer's disease (AD), and Parkinson's disease (PD), and to provide an overview of the urgent needs in this field, emphasizing the importance of early diagnosis in the general lines of the neurodegeneration pathway. In this review, biosensor systems developed for the detection of biomarkers of neurodegenerative diseases, especially in the last 5 years, are discussed.
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Bezard E, Dehay B. [Aggregation and spread of synuclein in Parkinson's disease]. Med Sci (Paris) 2022; 38:45-51. [PMID: 35060886 DOI: 10.1051/medsci/2021241] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023] Open
Abstract
The vast majority of neurodegenerative diseases are associated with an accumulation of undegraded and aggregated proteins. Hence the word proteinopathies is now used to refer to these neurodegenerative diseases. The synucleinopathies are one component of them, in particular in Parkinson's disease. The neuropathological features of Parkinson's disease are the progressive loss of dopamine neurons in the midbrain and the formation of aggregates composed mainly of a-synuclein protein. Experimental evidence suggests that under pathological conditions, normal soluble a-synuclein protein adopts an abnormal folding and subsequently aggregates, with a propensity to spread throughout the central nervous system. This review article discusses the specifics of a-synuclein aggregation and emerging mechanisms for understanding its spread and aims at providing a molecular explanation for the progression of the disease in humans.
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Affiliation(s)
- Erwan Bezard
- Univ. Bordeaux, CNRS, IMN (Institut des maladies neurodégénératives), UMR 5293, 33000 Bordeaux, France
| | - Benjamin Dehay
- Univ. Bordeaux, CNRS, IMN (Institut des maladies neurodégénératives), UMR 5293, 33000 Bordeaux, France
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Lyu L, Chen Z, McCarty N. TRIM44 links the UPS to SQSTM1/p62-dependent aggrephagy and removing misfolded proteins. Autophagy 2021; 18:783-798. [PMID: 34382902 PMCID: PMC9037492 DOI: 10.1080/15548627.2021.1956105] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Until recently, the ubiquitin-proteasome system (UPS) and macroautophagy/autophagy were considered to be two independent systems that target proteins for degradation by proteasomes or via lysosomes, respectively. Here, we report that TRIM44 (tripartite motif containing 44) is a novel link that connects the UPS system with the autophagy degradation pathway. Suppressing the UPS degradation pathway leads to TRIM44 upregulation, which further promotes aggregated protein clearance through the binding of K48 ubiquitin chains on proteins. TRIM44 expression activates autophagy via promoting SQSTM1/p62 oligomerization, which rapidly increases the rate of aggregate protein removal. Overall, our data reveal that TRIM44 is a newly identified link between the UPS system and the autophagy pathway. Delineating the cross-talk between these two degradation pathways may reveal new mechanisms of targeting aggregate-prone diseases, such as cancer and neurodegenerative disease. Abbreviations: 3-MA: 3-methyladenine; ACTB: actin beta; ATG5: autophagy related 5; BB: B-box domain; BECN1: beclin1; BM: bone marrow; CC: coiled-coil domain; CFTR: cystic fibrosis transmembrane conductance regulator; CON: control; CQ: chloroquine; DOX: doxycycline; DSP: dithiobis(succinimidly propionate); ER: endoplasmic reticulum; FI: fluorescence intensity; FL: full length; HIF1A/HIF-1#x3B1;: hypoxia inducible factor 1 subunit alpha; HSC: hematopoietic stem cells; HTT: huntingtin; KD: knockdown; KD-CON: knockdown construct control; MM: multiple myeloma; MTOR: mechanistic target of rapamycin kinase; NP-40: nonidet P-40; NFE2L2/NRF2: nuclear factor, erythroid 2 like 2; OE: overexpression; OE-CON: overexpression construct control; PARP: poly (ADP-ribose) polymerase; SDS: sodium dodecyl sulfate; SQSTM1/p62: sequestosome 1; Tet-on: tetracycline; TRIM44: tripartite motif containing 44; UPS: ubiquitin-proteasome system; ZF: zinc-finger
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Affiliation(s)
- Lin Lyu
- Center for Stem Cell and Regenerative Disease, Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM), the University of Texas-Health Science Center at Houston, Houston, Texas, USA
| | - Zheng Chen
- Center for Stem Cell and Regenerative Disease, Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM), the University of Texas-Health Science Center at Houston, Houston, Texas, USA
| | - Nami McCarty
- Center for Stem Cell and Regenerative Disease, Brown Foundation Institute of Molecular Medicine for the Prevention of Human Diseases (IMM), the University of Texas-Health Science Center at Houston, Houston, Texas, USA
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Maugeri G, D’Agata V, Magrì B, Roggio F, Castorina A, Ravalli S, Di Rosa M, Musumeci G. Neuroprotective Effects of Physical Activity via the Adaptation of Astrocytes. Cells 2021; 10:cells10061542. [PMID: 34207393 PMCID: PMC8234474 DOI: 10.3390/cells10061542] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/14/2021] [Accepted: 06/14/2021] [Indexed: 12/27/2022] Open
Abstract
The multifold benefits of regular physical exercise have been largely demonstrated in human and animal models. Several studies have reported the beneficial effects of physical activity, both in peripheral tissues and in the central nervous system (CNS). Regular exercise improves cognition, brain plasticity, neurogenesis and reduces the symptoms of neurodegenerative diseases, making timeless the principle of “mens sana in corpore sano” (i.e., a healthy mind in a healthy body). Physical exercise promotes morphological and functional changes in the brain, acting not only in neurons but also in astrocytes, which represent the most numerous glial cells in the brain. The multiple effects of exercise on astrocytes comprise the increased number of new astrocytes, the maintenance of basal levels of catecholamine, the increase in glutamate uptake, the major release of trophic factors and better astrocytic coverage of cerebral blood vessels. The purpose of this review is to highlight the effects of exercise on brain function, emphasize the role of astrocytes in the healthy CNS, and provide an update for a better understanding of the effects of physical exercise in the modulation of astrocyte function.
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Affiliation(s)
- Grazia Maugeri
- Department of Biomedical and Biotechnological Sciences, Human, Histology and Movement Science Section, University of Catania, Via S. Sofia n°87, 95100 Catania, Italy; (G.M.); (V.D.); (B.M.); (F.R.); (S.R.); (M.D.R.)
| | - Velia D’Agata
- Department of Biomedical and Biotechnological Sciences, Human, Histology and Movement Science Section, University of Catania, Via S. Sofia n°87, 95100 Catania, Italy; (G.M.); (V.D.); (B.M.); (F.R.); (S.R.); (M.D.R.)
| | - Benedetta Magrì
- Department of Biomedical and Biotechnological Sciences, Human, Histology and Movement Science Section, University of Catania, Via S. Sofia n°87, 95100 Catania, Italy; (G.M.); (V.D.); (B.M.); (F.R.); (S.R.); (M.D.R.)
| | - Federico Roggio
- Department of Biomedical and Biotechnological Sciences, Human, Histology and Movement Science Section, University of Catania, Via S. Sofia n°87, 95100 Catania, Italy; (G.M.); (V.D.); (B.M.); (F.R.); (S.R.); (M.D.R.)
| | - Alessandro Castorina
- Laboratory of Cellular and Molecular Neuroscience (LCMN), School of Life Science, Faculty of Science, University of Technology Sydney, Broadway, NSW 2007, Australia;
- Laboratory of Neural Structure and Function (LNSF), School of Medical Sciences, (Anatomy and Histology), Faculty of Medicine and Health, University of Sydney, Sydney, NSW 2006, Australia
| | - Silvia Ravalli
- Department of Biomedical and Biotechnological Sciences, Human, Histology and Movement Science Section, University of Catania, Via S. Sofia n°87, 95100 Catania, Italy; (G.M.); (V.D.); (B.M.); (F.R.); (S.R.); (M.D.R.)
| | - Michelino Di Rosa
- Department of Biomedical and Biotechnological Sciences, Human, Histology and Movement Science Section, University of Catania, Via S. Sofia n°87, 95100 Catania, Italy; (G.M.); (V.D.); (B.M.); (F.R.); (S.R.); (M.D.R.)
| | - Giuseppe Musumeci
- Department of Biomedical and Biotechnological Sciences, Human, Histology and Movement Science Section, University of Catania, Via S. Sofia n°87, 95100 Catania, Italy; (G.M.); (V.D.); (B.M.); (F.R.); (S.R.); (M.D.R.)
- Research Center on Motor Activities (CRAM), University of Catania, Via S. Sofia n°97, 95100 Catania, Italy
- Department of Biology, Sbarro Institute for Cancer Research and Molecular Medicine, College of Science and Technology, Temple University, Philadelphia, PA 19122, USA
- Correspondence: ; Tel.: +39-095-378-2043
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Gossypitrin, A Naturally Occurring Flavonoid, Attenuates Iron-Induced Neuronal and Mitochondrial Damage. Molecules 2021; 26:molecules26113364. [PMID: 34199597 PMCID: PMC8199700 DOI: 10.3390/molecules26113364] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 11/17/2022] Open
Abstract
The disruption of iron homeostasis is an important factor in the loss of mitochondrial function in neural cells, leading to neurodegeneration. Here, we assessed the protective action of gossypitrin (Gos), a naturally occurring flavonoid, on iron-induced neuronal cell damage using mouse hippocampal HT-22 cells and mitochondria isolated from rat brains. Gos was able to rescue HT22 cells from the damage induced by 100 µM Fe(II)-citrate (EC50 8.6 µM). This protection was linked to the prevention of both iron-induced mitochondrial membrane potential dissipation and ATP depletion. In isolated mitochondria, Gos (50 µM) elicited an almost complete protection against iron-induced mitochondrial swelling, the loss of mitochondrial transmembrane potential and ATP depletion. Gos also prevented Fe(II)-citrate-induced mitochondrial lipid peroxidation with an IC50 value (12.45 µM) that was about nine time lower than that for the tert-butylhydroperoxide-induced oxidation. Furthermore, the flavonoid was effective in inhibiting the degradation of both 15 and 1.5 mM 2-deoxyribose. It also decreased Fe(II) concentration with time, while increasing O2 consumption rate, and impairing the reduction of Fe(III) by ascorbate. Gos-Fe(II) complexes were detected by UV-VIS and IR spectroscopies, with an apparent Gos-iron stoichiometry of 2:1. Results suggest that Gos does not generally act as a classical antioxidant, but it directly affects iron, by maintaining it in its ferric form after stimulating Fe(II) oxidation. Metal ions would therefore be unable to participate in a Fenton-type reaction and the lipid peroxidation propagation phase. Hence, Gos could be used to treat neuronal diseases associated with iron-induced oxidative stress and mitochondrial damage.
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Jafarzadeh G, Shakerian S, Farbood Y, Ghanbarzadeh M. Effects of Eight Weeks of Resistance Exercises on Neurotrophins and Trk Receptors in Alzheimer Model Male Wistar Rats. Basic Clin Neurosci 2021; 12:349-359. [PMID: 34917294 PMCID: PMC8666928 DOI: 10.32598/bcn.2021.2067.1] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2019] [Revised: 10/25/2019] [Accepted: 03/01/2020] [Indexed: 12/21/2022] Open
Abstract
INTRODUCTION This study evaluates the effects of 8 weeks of resistance exercises on the expression of neurotrophins and Trk receptors in Alzheimer model male Wistar rats. METHODS For this purpose, 32 mature male Wistar rats with a mean weight of 230-280 g were chosen and divided into Alzheimer and Sham groups. The rats in the sham group received normal saline, while the ones in the Alzheimer group received streptomycin via intraventricular injection. These rats were then divided into the following four subgroups: 1) resting sham, 2) exercising sham, 3) resting Alzheimer, and 4) exercising Alzheimer. The two exercising rat subgroups exercised three times a week for 8 weeks. A weight was attached to their tails, and they had to carry it on a 26-step ladder in each cycle. Resting groups were handled every day to minimize the effects of stress. At the end of the eighth week and 24 hours after the last exercise session (to avoid the effects of the last exercise session), the rats were put under deep anesthesia and beheaded. Hippocampus tissues were precisely extracted, and samples were sent to the laboratory for molecular and cellular tests. To investigate gene expression, quantitative RTPCR was used. RESULTS The tests for comparing the mean values of BDNF, NT3, NGF, TrkA, and TrkB in two rat groups showed that with error levels of less than 5%, there is a significant difference in the amounts of BDNF, NT3, NGF, TrkA, and TrkB between exercising rats and resting ones. These amounts were much higher in the exercising Alzheimer rats group. CONCLUSION Eight weeks of resistance exercises increased the expression of BDNF, NT3, and NGF genes and TrkA and TrkB receptors in Alzheimer model Wistar rats.
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Affiliation(s)
- Gholamhasan Jafarzadeh
- Department of Sport Physiology, Faculty of Sports Sciences, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Saeid Shakerian
- Department of Sport Physiology, Faculty of Sports Sciences, Shahid Chamran University of Ahvaz, Ahvaz, Iran
| | - Yaghoob Farbood
- Department of Physiology, Khalij Fars Physiology Research Center, School of Medicine, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Mohsen Ghanbarzadeh
- Department of Sport Physiology, Faculty of Sports Sciences, Shahid Chamran University of Ahvaz, Ahvaz, Iran
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Bourdenx M, Martín-Segura A, Scrivo A, Rodriguez-Navarro JA, Kaushik S, Tasset I, Diaz A, Storm NJ, Xin Q, Juste YR, Stevenson E, Luengo E, Clement CC, Choi SJ, Krogan NJ, Mosharov EV, Santambrogio L, Grueninger F, Collin L, Swaney DL, Sulzer D, Gavathiotis E, Cuervo AM. Chaperone-mediated autophagy prevents collapse of the neuronal metastable proteome. Cell 2021; 184:2696-2714.e25. [PMID: 33891876 DOI: 10.1016/j.cell.2021.03.048] [Citation(s) in RCA: 146] [Impact Index Per Article: 48.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2020] [Revised: 01/03/2021] [Accepted: 03/23/2021] [Indexed: 12/18/2022]
Abstract
Components of the proteostasis network malfunction in aging, and reduced protein quality control in neurons has been proposed to promote neurodegeneration. Here, we investigate the role of chaperone-mediated autophagy (CMA), a selective autophagy shown to degrade neurodegeneration-related proteins, in neuronal proteostasis. Using mouse models with systemic and neuronal-specific CMA blockage, we demonstrate that loss of neuronal CMA leads to altered neuronal function, selective changes in the neuronal metastable proteome, and proteotoxicity, all reminiscent of brain aging. Imposing CMA loss on a mouse model of Alzheimer's disease (AD) has synergistic negative effects on the proteome at risk of aggregation, thus increasing neuronal disease vulnerability and accelerating disease progression. Conversely, chemical enhancement of CMA ameliorates pathology in two different AD experimental mouse models. We conclude that functional CMA is essential for neuronal proteostasis through the maintenance of a subset of the proteome with a higher risk of misfolding than the general proteome.
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Affiliation(s)
- Mathieu Bourdenx
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies of the Department of Medicine of the Albert Einstein College of Medicine, Bronx, NY 10461, USA.
| | - Adrián Martín-Segura
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies of the Department of Medicine of the Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Aurora Scrivo
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies of the Department of Medicine of the Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Jose A Rodriguez-Navarro
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies of the Department of Medicine of the Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Susmita Kaushik
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies of the Department of Medicine of the Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Inmaculada Tasset
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies of the Department of Medicine of the Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Antonio Diaz
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies of the Department of Medicine of the Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Nadia J Storm
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies of the Department of Medicine of the Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Qisheng Xin
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies of the Department of Medicine of the Albert Einstein College of Medicine, Bronx, NY 10461, USA; Department of Biochemistry, Albert Einstein College of Medicine, Bronx, New York, NY 10461, USA
| | - Yves R Juste
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies of the Department of Medicine of the Albert Einstein College of Medicine, Bronx, NY 10461, USA
| | - Erica Stevenson
- Department of Cellular Molecular Pharmacology, School of Medicine and California Institute for Quantitative Biosciences, University of California, San Francisco, San Francisco, CA 94158, USA; David Gladstone Institutes, San Francisco, CA 94158, USA
| | - Enrique Luengo
- Department of Pharmacology, School of Medicine, Instituto Teófilo Hernando for Drug Discovery, Universidad Autonoma de Madrid, Madrid 28049, Spain
| | - Cristina C Clement
- Department of Radiation Oncology, Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY 10021, USA
| | - Se Joon Choi
- Department of Psychiatry, Columbia University Medical Center, New York State Psychiatric Institute, New York, NY 10461, USA
| | - Nevan J Krogan
- Department of Cellular Molecular Pharmacology, School of Medicine and California Institute for Quantitative Biosciences, University of California, San Francisco, San Francisco, CA 94158, USA; David Gladstone Institutes, San Francisco, CA 94158, USA
| | - Eugene V Mosharov
- Department of Psychiatry, Columbia University Medical Center, New York State Psychiatric Institute, New York, NY 10461, USA
| | - Laura Santambrogio
- Department of Radiation Oncology, Englander Institute for Precision Medicine, Weill Cornell Medicine, New York, NY 10021, USA
| | - Fiona Grueninger
- Roche Pharma Research and Early Development (pRED), Neuro-Immunology, Roche Innovation Center Basel, CH-4070, Switzerland
| | - Ludovic Collin
- Roche Pharma Research and Early Development (pRED), Neuro-Immunology, Roche Innovation Center Basel, CH-4070, Switzerland
| | - Danielle L Swaney
- Department of Cellular Molecular Pharmacology, School of Medicine and California Institute for Quantitative Biosciences, University of California, San Francisco, San Francisco, CA 94158, USA; David Gladstone Institutes, San Francisco, CA 94158, USA
| | - David Sulzer
- Department of Psychiatry, Columbia University Medical Center, New York State Psychiatric Institute, New York, NY 10461, USA; Departments of Neurology and Pharmacology, Columbia University Medical Center, New York, NY 10032, USA
| | - Evripidis Gavathiotis
- Institute for Aging Studies of the Department of Medicine of the Albert Einstein College of Medicine, Bronx, NY 10461, USA; Department of Biochemistry, Albert Einstein College of Medicine, Bronx, New York, NY 10461, USA; Department of Medicine, Albert Einstein College of Medicine, Bronx, NY 10461, USA.
| | - Ana Maria Cuervo
- Department of Developmental and Molecular Biology, Albert Einstein College of Medicine, Bronx, NY 10461, USA; Institute for Aging Studies of the Department of Medicine of the Albert Einstein College of Medicine, Bronx, NY 10461, USA.
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Kiran BR, Venkata Mohan S. Microalgal Cell Biofactory-Therapeutic, Nutraceutical and Functional Food Applications. PLANTS (BASEL, SWITZERLAND) 2021; 10:836. [PMID: 33919450 PMCID: PMC8143517 DOI: 10.3390/plants10050836] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Revised: 04/15/2021] [Accepted: 04/18/2021] [Indexed: 12/11/2022]
Abstract
Microalgae are multifaceted photosynthetic microorganisms with emerging business potential. They are present ubiquitously in terrestrial and aquatic environments with rich species diversity and are capable of producing significant biomass. Traditionally, microalgal biomass is being used as food and feed in many countries around the globe. The production of microalgal-based bioactive compounds at an industrial scale through biotechnological interventions is gaining interest more recently. The present review provides a detailed overview of the key algal metabolites, which plays a crucial role in nutraceutical, functional foods, and animal/aquaculture feed industries. Bioactive compounds of microalgae known to exhibit antioxidant, antimicrobial, antitumor, and immunomodulatory effects were comprehensively reviewed. The potential microalgal species and biological extracts against human pathogens were also discussed. Further, current technologies involved in upstream and downstream bioprocessing including cultivation, harvesting, and cell disruption were documented. Establishing microalgae as an alternative supplement would complement the sustainable and environmental requirements in the framework of human health and well-being.
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Affiliation(s)
| | - S. Venkata Mohan
- Bioengineering and Environmental Sciences Lab, Department of Energy and Environmental Engineering (DEE), CSIR-Indian Institute of Chemical Technology (CSIR-IICT), Hyderabad 500 007, India;
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Oboh G, Olatunde DM, Ademosun AO, Ogunsuyi OB. Effect of citrus peels-supplemented diet on longevity, memory index, redox status, cholinergic and monoaminergic enzymes in Drosophila melanogaster model. J Food Biochem 2021; 45:e13616. [PMID: 33533492 DOI: 10.1111/jfbc.13616] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2020] [Revised: 12/21/2020] [Accepted: 12/30/2020] [Indexed: 01/23/2023]
Abstract
This study sought to determine the life span promoting effecof orange (Citrus sinensis), tangerine (Citrus maxima) and grapefruit (Citrus paradisi) peels in Drosophila melanogaster model. Flies (both gender, 3 to 5 days old) were divided into seven (7) groups (n = 5) containing 40 flies each; group I (control) flies were fed with basal diet, II-VII were flies were fed with basal diet containing 0.1 and 1.0% of tangerine peel (TP), orange peel (CP), and grapefruit peel (GP) respectively, for 14 days. Locomotor performance and memory index were assessed via negative geotaxis and aversive phototaxis suppression assays, respectively. Thereafter, the fly homogenates were assayed for activities of acetylcholinesterase (AChE), monoamine oxidase (MAO) and antioxidant enzymes as well as other indices of their redox. The results revealed that the citrus peels significantly improved longevity, locomotor performance, memory index, antioxidant status, and modulate cholinesterase and monoamine oxidase enzyme activities in treated flies when compared to the control. The results obtained suggest that the citrus peels offer potentials as dietary supplement with life span promoting properties in D. melanogaster model which could as well serve as a functional food additives. PRACTICAL APPLICATIONS: Citrus peels, although often considered agro-wastes, are used as food supplements and food ingredents especially in production of candies, jams and custards. This study suggests the use of orange (Citrus sinensis), tangerine (Citrus maxima), and grapefruit (Citrus paradisi) peels as dietary supplements which offers potential life span promoting properties.
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Affiliation(s)
- Ganiyu Oboh
- Functional Foods and Nutraceutical Unit, Department of Biochemistry, Federal University of Technology, Akure, Nigeria
| | - Damilola M Olatunde
- Functional Foods and Nutraceutical Unit, Department of Biochemistry, Federal University of Technology, Akure, Nigeria
| | - Ayokunle O Ademosun
- Functional Foods and Nutraceutical Unit, Department of Biochemistry, Federal University of Technology, Akure, Nigeria
| | - Opeyemi B Ogunsuyi
- Functional Foods and Nutraceutical Unit, Department of Biochemistry, Federal University of Technology, Akure, Nigeria.,Department of Biomedical Technology, Federal University of Technology, Akure, Nigeria
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22
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Could α-Klotho Unlock the Key Between Depression and Dementia in the Elderly: from Animal to Human Studies. Mol Neurobiol 2021; 58:2874-2885. [PMID: 33527303 DOI: 10.1007/s12035-021-02313-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2020] [Accepted: 01/25/2021] [Indexed: 10/22/2022]
Abstract
α-Klotho is known for its aging-related functions and is associated with neurodegenerative diseases, accelerated aging, premature morbidity, and mortality. Recent literature suggests that α-Klotho is also involved in the regulation of mental functions, such as cognition and psychosis. While most of studies of α-Klotho are focusing on its anti-aging functions and protective role in dementia, increasing evidence showed many shared symptoms between depression and dementia, while depression has been proposed as the preclinical stage of dementia such as Alzheimer's disease (AD). To see whether and how α-Klotho can be a key biological link between depression and dementia, in this review, we first gathered the evidence on biological distribution and function of α-Klotho in psychiatric functions from animal studies to human clinical investigations with a focus on the regulation of cognition and mood. Then, we discussed and highlighted the potential common underlying mechanisms of α-Klotho between psychiatric diseases and cognitive impairment. Finally, we hypothesized that α-Klotho might serve as a neurobiological link between depression and dementia through the regulation of oxidative stress and inflammation.
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Kanehisa M, Furumichi M, Sato Y, Ishiguro-Watanabe M, Tanabe M. KEGG: integrating viruses and cellular organisms. Nucleic Acids Res 2021; 49:D545-D551. [PMID: 33125081 PMCID: PMC7779016 DOI: 10.1093/nar/gkaa970] [Citation(s) in RCA: 2021] [Impact Index Per Article: 673.7] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2020] [Revised: 10/08/2020] [Accepted: 10/09/2020] [Indexed: 01/17/2023] Open
Abstract
KEGG (https://www.kegg.jp/) is a manually curated resource integrating eighteen databases categorized into systems, genomic, chemical and health information. It also provides KEGG mapping tools, which enable understanding of cellular and organism-level functions from genome sequences and other molecular datasets. KEGG mapping is a predictive method of reconstructing molecular network systems from molecular building blocks based on the concept of functional orthologs. Since the introduction of the KEGG NETWORK database, various diseases have been associated with network variants, which are perturbed molecular networks caused by human gene variants, viruses, other pathogens and environmental factors. The network variation maps are created as aligned sets of related networks showing, for example, how different viruses inhibit or activate specific cellular signaling pathways. The KEGG pathway maps are now integrated with network variation maps in the NETWORK database, as well as with conserved functional units of KEGG modules and reaction modules in the MODULE database. The KO database for functional orthologs continues to be improved and virus KOs are being expanded for better understanding of virus-cell interactions and for enabling prediction of viral perturbations.
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Affiliation(s)
- Minoru Kanehisa
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Miho Furumichi
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
| | - Yoko Sato
- Social ICT Solutions Department, Fujitsu Kyushu Systems Ltd., Hakata-ku, Fukuoka 812-0007, Japan
| | - Mari Ishiguro-Watanabe
- Human Genome Center, Institute of Medical Science, University of Tokyo, Minato-ku, Tokyo 108-8639, Japan
| | - Mao Tanabe
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan
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Silva C, Pinto M, Fernandes C, Benfeito S, Borges F. Antioxidant Therapy and Neurodegenerative Disorders: Lessons From Clinical Trials. SYSTEMS MEDICINE 2021. [DOI: 10.1016/b978-0-12-801238-3.11611-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
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Mezeiova E, Soukup O, Korabecny J. Huprines — an insight into the synthesis and biological properties. RUSSIAN CHEMICAL REVIEWS 2020. [DOI: 10.1070/rcr4938] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Lowes H, Kurzawa-Akanbi M, Pyle A, Hudson G. Post-mortem ventricular cerebrospinal fluid cell-free-mtDNA in neurodegenerative disease. Sci Rep 2020; 10:15253. [PMID: 32943697 PMCID: PMC7499424 DOI: 10.1038/s41598-020-72190-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2020] [Accepted: 08/11/2020] [Indexed: 12/14/2022] Open
Abstract
Cell-free mitochondrial DNA (cfmtDNA) is detectable in almost all human body fluids and has been associated with the onset and progression of several complex traits. In-life assessments indicate that reduced cfmtDNA is a feature of neurodegenerative diseases such as Parkinson's disease, Alzheimer's disease and multiple sclerosis. However, whether this feature is conserved across all neurodegenerative diseases and how it relates to the neurodegenerative processes remains unclear. In this study, we assessed the levels of ventricular cerebrospinal fluid-cfmtDNA (vCSF-cfmtDNA) in a diverse group of neurodegenerative diseases (NDDs) to determine if the in-life observations of reduced cfmtDNA seen in lumbar CSF translated to the post-mortem ventricular CSF. To investigate further, we compared vCSF-cfmtDNA levels to known protein markers of neurodegeneration, synaptic vesicles and mitochondrial integrity. Our data indicate that reduced vCSF-cfmtDNA is a feature specific to Parkinson's and appears consistent throughout the disease course. Interestingly, we observed increased vCSF-cfmtDNA in the more neuropathologically severe NDD cases, but no association to protein markers of neurodegeneration, suggesting that vCSF-cfmtDNA release is more complex than mere cellular debris produced following neuronal death. We conclude that vCSF-cfmtDNA is reduced in PD, but not other NDDs, and appears to correlate to pathology. Although its utility as a prognostic biomarker is limited, our data indicate that higher levels of vCSF-cfmtDNA is associated with more severe clinical presentations; suggesting that it is associated with the neurodegenerative process. However, as vCSF-cfmtDNA does not appear to correlate to established indicators of neurodegeneration or indeed indicators of mitochondrial mass, further work to elucidate its exact role is needed.
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Affiliation(s)
- Hannah Lowes
- Biosciences Institute, 4th Floor Cookson Building, Medical School, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
- Wellcome Centre for Mitochondrial Research, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
| | - Marzena Kurzawa-Akanbi
- Biosciences Institute, 4th Floor Cookson Building, Medical School, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
| | - Angela Pyle
- Clinical and Translational Research Institute, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
- Wellcome Centre for Mitochondrial Research, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK
| | - Gavin Hudson
- Biosciences Institute, 4th Floor Cookson Building, Medical School, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK.
- Wellcome Centre for Mitochondrial Research, Newcastle University, Newcastle upon Tyne, NE2 4HH, UK.
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Salehi B, Sharifi-Rad J, Cappellini F, Reiner Ž, Zorzan D, Imran M, Sener B, Kilic M, El-Shazly M, Fahmy NM, Al-Sayed E, Martorell M, Tonelli C, Petroni K, Docea AO, Calina D, Maroyi A. The Therapeutic Potential of Anthocyanins: Current Approaches Based on Their Molecular Mechanism of Action. Front Pharmacol 2020; 11:1300. [PMID: 32982731 PMCID: PMC7479177 DOI: 10.3389/fphar.2020.01300] [Citation(s) in RCA: 119] [Impact Index Per Article: 29.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Accepted: 08/05/2020] [Indexed: 12/13/2022] Open
Abstract
Anthocyanins are natural phenolic pigments with biological activity. They are well-known to have potent antioxidant and antiinflammatory activity, which explains the various biological effects reported for these substances suggesting their antidiabetic and anticancer activities, and their role in cardiovascular and neuroprotective prevention. This review aims to comprehensively analyze different studies performed on this class of compounds, their bioavailability and their therapeutic potential. An in-depth look in preclinical, in vitro and in vivo, and clinical studies indicates the preventive effects of anthocyanins on cardioprotection, neuroprotection, antiobesity as well as their antidiabetes and anticancer effects.
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Affiliation(s)
- Bahare Salehi
- Noncommunicable Diseases Research Center, Bam University of Medical Sciences, Bam, Iran
- Student Research Committee, School of Medicine, Bam University of Medical Sciences, Bam, Iran
| | - Javad Sharifi-Rad
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Željko Reiner
- Department of Internal Medicine, University Hospital Centre Zagreb, School of Medicine, University of Zagreb, Zagreb, Croatia
| | - Debora Zorzan
- Dipartimento di Bioscienze, Università degli Studi di Milano, Milano, Italy
| | - Muhammad Imran
- Faculty of Allied Health Sciences, University Institute of Diet and Nutritional Sciences, The University of Lahore, Lahore, Pakistan
| | - Bilge Sener
- Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Mehtap Kilic
- Department of Pharmacognosy, Faculty of Pharmacy, Gazi University, Ankara, Turkey
| | - Mohamed El-Shazly
- Department of Pharmacognosy, Faculty of Pharmacy, Ain-Shams University, Cairo, Egypt
- Department of Pharmaceutical Biology, Faculty of Pharmacy and Biotechnology, German University in Cairo, Cairo, Egypt
| | - Nouran M. Fahmy
- Department of Pharmacognosy, Faculty of Pharmacy, Ain-Shams University, Cairo, Egypt
| | - Eman Al-Sayed
- Department of Pharmacognosy, Faculty of Pharmacy, Ain-Shams University, Cairo, Egypt
| | - Miquel Martorell
- Department of Nutrition and Dietetics, Faculty of Pharmacy, University of Concepcion, Concepcion, Chile
- Unidad de Desarrollo Tecnológico, Universidad de Concepción UDT, Concepcion, Chile
| | - Chiara Tonelli
- Dipartimento di Bioscienze, Università degli Studi di Milano, Milano, Italy
| | - Katia Petroni
- Dipartimento di Bioscienze, Università degli Studi di Milano, Milano, Italy
| | - Anca Oana Docea
- Department of Toxicology, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Daniela Calina
- Department of Clinical Pharmacy, University of Medicine and Pharmacy of Craiova, Craiova, Romania
| | - Alfred Maroyi
- Department of Botany, University of Fort Hare, Alice, South Africa
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Zubčić K, Radovanović V, Vlainić J, Hof PR, Oršolić N, Šimić G, Jazvinšćak Jembrek M. PI3K/Akt and ERK1/2 Signalling Are Involved in Quercetin-Mediated Neuroprotection against Copper-Induced Injury. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:9834742. [PMID: 32733640 PMCID: PMC7369662 DOI: 10.1155/2020/9834742] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/26/2020] [Accepted: 06/12/2020] [Indexed: 01/12/2023]
Abstract
Copper, a transition metal with essential cellular functions, exerts neurotoxic effects when present in excess by promoting production of reactive oxygen species (ROS). The aim of the present study was to investigate potential benefits of flavonoid quercetin against copper-induced toxicity. Results obtained with MTT assay indicate that the effects of quercetin are determined by the severity of the toxic insult. In moderately injured P19 neuronal cells, concomitant treatment with 150 μM quercetin improved viability by preventing ROS formation, caspase-3 activation, and chromatin condensation. Western blot analysis revealed that quercetin reduced copper-induced increase in p53 upregulated modulator of apoptosis (PUMA) expression and promoted upregulation of nucleoside diphosphate kinase NME1. Levels of p53 and Bax proteins were not affected by both copper and quercetin. UO126 and wortmannin, inhibitors of ERK1/2 and PI3K/Akt signalling pathways, respectively, prevented neuroprotective effects of quercetin. In severely injured neurons, 30 μM quercetin exerted strong prooxidative action and exacerbated cytotoxic effects of copper, whereas 150 μM quercetin failed to affect neuronal survival. These results demonstrate the dual nature of quercetin action in copper-related neurodegeneration. Hence, they are relevant in the context of considering quercetin as a possible therapeutic for neuroprotection and imply that detailed pharmacological and toxicological studies must be carried out for natural compounds capable of acting both as antioxidants and prooxidants.
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Affiliation(s)
- Klara Zubčić
- Department for Neuroscience, Croatian Institute for Brain Research, University of Zagreb Medical School, 10000 Zagreb, Croatia
| | - Vedrana Radovanović
- Division of Molecular Medicine, Rudjer Boskovic Institute, 10000 Zagreb, Croatia
| | - Josipa Vlainić
- Division of Molecular Medicine, Rudjer Boskovic Institute, 10000 Zagreb, Croatia
| | - Patrick R. Hof
- Nash Family Department of Neuroscience, Friedman Brain Institute, and Ronald M. Loeb Center for Alzheimer's Disease, Icahn School of Medicine at Mount Sinai, New York, NY 10029, USA
| | - Nada Oršolić
- Department of Animal Physiology, Faculty of Science, University of Zagreb, 10000 Zagreb, Croatia
| | - Goran Šimić
- Department for Neuroscience, Croatian Institute for Brain Research, University of Zagreb Medical School, 10000 Zagreb, Croatia
| | - Maja Jazvinšćak Jembrek
- Division of Molecular Medicine, Rudjer Boskovic Institute, 10000 Zagreb, Croatia
- Department of Psychology, Catholic University of Croatia, Ilica 242, 10000 Zagreb, Croatia
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Pépin J, de Longprez L, Trovero F, Brouillet E, Valette J, Flament J. Complementarity of gluCEST and 1 H-MRS for the study of mouse models of Huntington's disease. NMR IN BIOMEDICINE 2020; 33:e4301. [PMID: 32198958 DOI: 10.1002/nbm.4301] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/27/2019] [Revised: 03/06/2020] [Accepted: 03/07/2020] [Indexed: 06/10/2023]
Abstract
Identification of relevant biomarkers is fundamental to understand biological processes of neurodegenerative diseases and to evaluate therapeutic efficacy. Atrophy of brain structures has been proposed as a biomarker, but it provides little information about biochemical events related to the disease. Here, we propose to identify early and relevant biomarkers by combining biological specificity provided by 1 H-MRS and high spatial resolution offered by gluCEST imaging. For this, two different genetic mouse models of Huntington's disease (HD)-the Ki140CAG model, characterized by a slow progression of the disease, and the R6/1 model, which mimics the juvenile form of HD-were used. Animals were scanned at 11.7 T using a protocol combining 1 H-MRS and gluCEST imaging. We measured a significant decrease in levels of N-acetyl-aspartate, a metabolite mainly located in the neuronal compartment, in HD animals, and the decrease seemed to be correlated with disease severity. In addition, variations of tNAA levels were correlated with striatal volumes in both models. Significant variations of glutamate levels were also observed in Ki140CAG but not in R6/1 mice. Thanks to its high resolution, gluCEST provided complementary insights, and we highlighted alterations in small brain regions such as the corpus callosum in Ki140CAG mice, whereas the glutamate level was unchanged in the whole brain of R6/1 mice. In this study, we showed that 1 H-MRS can provide key information about biological processes occurring in vivo but was limited by the spatial resolution. On the other hand, gluCEST may finely point to alterations in unexpected brain regions, but it can also be blind to disease processes when glutamate levels are preserved. This highlights in a practical context the complementarity of the two methods to study animal models of neurodegenerative diseases and to identify relevant biomarkers.
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Affiliation(s)
- Jérémy Pépin
- Commissariat à l'Energie Atomique (CEA), Direction de la Recherche Fondamentale (DRF), Institut de biologie François Jacob, Molecular Imaging Research Center (MIRCen), Université Paris-Saclay, Fontenay-aux-Roses, France
- Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud, Université Paris-Saclay, UMR 9199, Neurodegenerative Diseases Laboratory, Fontenay-aux-Roses, France
| | - Lucie de Longprez
- Commissariat à l'Energie Atomique (CEA), Direction de la Recherche Fondamentale (DRF), Institut de biologie François Jacob, Molecular Imaging Research Center (MIRCen), Université Paris-Saclay, Fontenay-aux-Roses, France
- Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud, Université Paris-Saclay, UMR 9199, Neurodegenerative Diseases Laboratory, Fontenay-aux-Roses, France
| | | | - Emmanuel Brouillet
- Commissariat à l'Energie Atomique (CEA), Direction de la Recherche Fondamentale (DRF), Institut de biologie François Jacob, Molecular Imaging Research Center (MIRCen), Université Paris-Saclay, Fontenay-aux-Roses, France
- Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud, Université Paris-Saclay, UMR 9199, Neurodegenerative Diseases Laboratory, Fontenay-aux-Roses, France
| | - Julien Valette
- Commissariat à l'Energie Atomique (CEA), Direction de la Recherche Fondamentale (DRF), Institut de biologie François Jacob, Molecular Imaging Research Center (MIRCen), Université Paris-Saclay, Fontenay-aux-Roses, France
- Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud, Université Paris-Saclay, UMR 9199, Neurodegenerative Diseases Laboratory, Fontenay-aux-Roses, France
| | - Julien Flament
- Commissariat à l'Energie Atomique (CEA), Direction de la Recherche Fondamentale (DRF), Institut de biologie François Jacob, Molecular Imaging Research Center (MIRCen), Université Paris-Saclay, Fontenay-aux-Roses, France
- Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud, Université Paris-Saclay, UMR 9199, Neurodegenerative Diseases Laboratory, Fontenay-aux-Roses, France
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Garabadu D, Agrawal N, Sharma A, Sharma S. Mitochondrial metabolism: a common link between neuroinflammation and neurodegeneration. Behav Pharmacol 2020; 30:642-652. [PMID: 31625975 DOI: 10.1097/fbp.0000000000000505] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
Neurodegenerative disorders have been considered as a growing health concern for decades. Increasing risk of neurodegenerative disorders creates a socioeconomic burden to both patients and care givers. Mitochondria are organelle that are involved in both neuroinflammation and neurodegeneration. There are few reports on the effect of mitochondrial metabolism on the progress of neurodegeneration and neuroinflammation. Therefore, the present review summarizes the potential contribution of mitochondrial metabolic pathways in the pathogenesis of neuroinflammation and neurodegeneration. Mitochondrial pyruvate metabolism plays a critical role in the pathogenesis of neurodegenerative disorders such as Parkinson's disease and Alzheimer's disease. However, there its potential contribution in other neurodegenerative disorders is as yet unproven. The mitochondrial pyruvate carrier and pyruvate dehydrogenase can modulate mitochondrial pyruvate metabolism to attenuate neuroinflammation and neurodegeneration. Further, it has been observed that the mitochondrial citric acid cycle can regulate the pathogenesis of neuroinflammation and neurodegeneration. Additional research should be undertaken to target tricarboxylic acid cycle enzymes to minimize the progress of neuroinflammation and neurodegeneration. It has also been observed that the mitochondrial urea cycle can potentially contribute to the progression of neurodegenerative disorders. Therefore, targeting this pathway may control the mitochondrial dysfunction-induced neuroinflammation and neurodegeneration. Furthermore, the mitochondrial malate-aspartate shuttle could be another target to control mitochondrial dysfunction-induced neuroinflammation and neurodegeneration in neurodegenerative disorders.
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Affiliation(s)
- Debapriya Garabadu
- Division of Pharmacology, Institute of Pharmaceutical Research, GLA University, Mathura, India
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Paron F, Dardis A, Buratti E. Pre-mRNA splicing defects and RNA binding protein involvement in Niemann Pick type C disease. J Biotechnol 2020; 318:20-30. [PMID: 32387451 DOI: 10.1016/j.jbiotec.2020.03.012] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 03/25/2020] [Accepted: 03/26/2020] [Indexed: 12/22/2022]
Abstract
Niemann-Pick type C (NPC) is an autosomal recessive lysosomal storage disorder due to mutations in NPC1 (95 % cases) or NPC2 genes, encoding NPC1 and NPC2 proteins, respectively. Both NPC1 and NPC2 proteins are involved in transport of intracellular cholesterol and their alteration leads to the accumulation of unesterified cholesterol and other lipids within the lysosomes. The disease is characterized by visceral, neurological and psychiatric symptoms. However, the pathogenic mechanisms that lead to the fatal neurodegeneration are still unclear. To date, several mutations leading to the generation of aberrant splicing variants or mRNA degradation in NPC1 and NPC2 genes have been reported. In addition, different lines of experimental evidence have highlighted the possible role of RNA-binding proteins and RNA-metabolism, in the onset and progression of many neurodegenerative disorders, that could explain NPC neurological features and in general, the disease pathogenesis. In this review, we will provide an overview of the impact of mRNA processing and metabolism on NPC disease pathology.
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Affiliation(s)
- Francesca Paron
- Molecular Pathology, International Institute for Genetic Engineering and Biotechnology, Trieste, Italy.
| | - Andrea Dardis
- Regional Coordinator Centre for Rare Diseases, Academic Hospital Santa Maria della Misericordia, Udine, Italy.
| | - Emanuele Buratti
- Molecular Pathology, International Institute for Genetic Engineering and Biotechnology, Trieste, Italy.
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Apaza Ticona LN, Tena Pérez V, Bermejo Benito P. Local/traditional uses, secondary metabolites and biological activities of Mashua (Tropaeolum tuberosum Ruíz & Pavón). JOURNAL OF ETHNOPHARMACOLOGY 2020; 247:112152. [PMID: 31421183 DOI: 10.1016/j.jep.2019.112152] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/31/2019] [Revised: 07/23/2019] [Accepted: 08/09/2019] [Indexed: 06/10/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Tropaeolum tuberosum Ruíz & Pavón (Tropaeolaceae). Sim (commonly called Mashua) is an indigenous plant that has medicinal values for various ethnic groups of the regions of the Andes mountain range of South America, which use it for the treatment of diseases venereal, lung and skin; for the healing of internal and external wounds; and as an analgesic for kidney and bladder pain. AIM OF THE REVIEW We critically summarised the current evidence on the botanic characterisation and distribution, ethnopharmacology, secondary metabolites, pharmacological activities, qualitative and quantitative analysis, and toxicology of T. tuberosum. MATERIALS AND METHODS The relevant information on T. tuberosum was gathered from worldwide accepted scientific databases via electronic search (Google scholar, Elsevier, SciFinder, ScienceDirect, PubMed, SpringerLink, Web of Science, Scopus, Wiley Online, Mendeley, Scielo and Dialnet electronic databases). Information was also obtained from the literature and books as well as PhD and MSc dissertations. Plant names were validated by 'The Plant List' (www.theplantlist.org). RESULTS T. tuberosum has diverse uses in local and popular medicine, specifically for relieving pain and infections in humans. Regarding its biological activities, polar extracts (aqueous, hydroalcoholic) and isolated compounds from the tubers have exhibited a wide range of in vitro and in vivo pharmacological effects, including antibacterial, antioxidant, anti-inflammatory activities. Quantitative analysis (e.g., NMR, HPLC, GC-MS) indicated the presence of a set of secondary metabolites, including hydroxybenzoic acids, tannins, flavanols, anthocyanins, glucosinolates, isothiocyanates, phytosterols, fatty acids and alkamides in the tubers of T. tuberosum. Likewise, glucosinolates have been identified in the seeds and isothiocyanates have been detected in leaves, flowers and seeds. CONCLUSIONS T. tuberosum has been tested for various biological activities and the extracts (tubers in particular) demonstrated a promising potential as an antibacterial, antioxidant, anti-inflammatory and inhibitors of benign prostatic hyperplasia. A lack of alignment between the ethno-medicinal uses and existing biological screenings was observed, indicating the need to explore its potential for the treatment against respiratory affections, urinary affections and blood diseases. Likewise, it is necessary to analyse deeply the relationship that exists between the different tuber colours of T. tuberosum and its use for the treatment of certain diseases. Validation of clinical studies of the antibacterial, antioxidant/anti-inflammatory, anti-spermatogenic activities and as inhibitors of benign prostatic hyperplasia is required. Moreover, studies on the toxicity, bioavailability, and pharmacokinetics, in addition to clinical trials, are indispensable for assessing the safety and efficacy of the active metabolites or extracts obtained from T. tuberosum. Other areas that need investigation are the development of future applications based on their active metabolites, such as neurodegenerative diseases (Alzheimer's disease, Parkinson's disease, Huntington's disease). Finally, the work purposes to motivate other research groups to carry out a series of scientific studies that can fill the gaps that exist with respect to Mashua properties, and thus be able to change the focus of T. tuberosum (Mashua) that currently has in the consumer society.
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Affiliation(s)
- Luis Nestor Apaza Ticona
- Department of Organic Chemistry, Faculty of Sciences, University Autónoma of Madrid, Cantoblanco, 28049, Madrid, Spain; Department of Pharmacology, Pharmacognosy and Botany, Faculty of Pharmacy, University Complutense of Madrid, Ciudad Universitaria S/n, 28040, Madrid, Spain.
| | - Victor Tena Pérez
- Department of Organic Chemistry, Faculty of Sciences, University Autónoma of Madrid, Cantoblanco, 28049, Madrid, Spain
| | - Paulina Bermejo Benito
- Department of Pharmacology, Pharmacognosy and Botany, Faculty of Pharmacy, University Complutense of Madrid, Ciudad Universitaria S/n, 28040, Madrid, Spain
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Aquaculture and by-products: Challenges and opportunities in the use of alternative protein sources and bioactive compounds. ADVANCES IN FOOD AND NUTRITION RESEARCH 2019; 92:127-185. [PMID: 32402443 DOI: 10.1016/bs.afnr.2019.11.001] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
There is a growing concern about chronic diseases such as obesity, diabetes, hypertension, hypercholesterolemia, cancer and cardiovascular diseases resulting from profound changes in the western lifestyle. Aquaculture by-products are generated in large quantities and they can be profitably recycled through their bioactive compounds used for health or food supplements. Improving waste utilization in the field of aquaculture is essential for a sustainable industry to prevent or minimize the environmental impact. In this sense fish by-products are a great source of protein and omega-3 polyunsaturated fatty acids which are particularly studied on Atlantic salmon or rainbow trout. Fish protein hydrolysate (FPH) obtained from chemical, enzymatical and microbial hydrolysis of processing by-products are being used as a source of amino acids and peptides with high digestibility, fast absorption and important biological activities. Omega-3 polyunsaturated fatty acids, eicosapentaenoic (EPA) and docosahexaenoic (DHA) from fish discards have been reported to decrease postprandial triacylglycerol levels, reduction of blood pressure, platelet aggregation and the inflammatory response. Crustacean by-products can also be used to produce chitosan with antioxidant and antimicrobial activity for food and pharmaceutical industries and carotenoids with important biological activity. Seaweeds are rich in bioactive compounds such as alginate, carrageenan, agar, carotenoids and polyphenols with different biological activities such as antioxidant, anticancer, antidiabetic, antimicrobial or anti-inflammatory activity. Finally, regarding harvest microalgae, during the past decades, they were mainly used in the healthy food market, with >75% of the annual microalgal biomass production, used for the manufacture of powders, tablets, capsules or pills. We will report and discuss the present and future role of aquaculture by-products as sources of biomolecules for the design and development of functional foods/beverages. This chapter will focus on the main bioactive compounds from aquaculture by-products as functional compounds in food and their applications in biomedicine for the prevention and treatment of diseases.
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Johansson L, Sacuiu S, Kern S, Guo X, Zetterberg H, Blennow K, Zettergren A, Skoog I. Longstanding psychological stress in relation to biomarkers of neuronal dysfunction in cerebrospinal fluid: a 25-year follow-up study in women. Neurobiol Aging 2019; 80:111-115. [DOI: 10.1016/j.neurobiolaging.2019.02.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2018] [Revised: 02/20/2019] [Accepted: 02/20/2019] [Indexed: 01/23/2023]
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Bakker GM. A new conception and subsequent taxonomy of clinical psychological problems. BMC Psychol 2019; 7:46. [PMID: 31291999 PMCID: PMC6617608 DOI: 10.1186/s40359-019-0318-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 06/12/2019] [Indexed: 12/15/2022] Open
Abstract
BACKGROUND A taxonomy of the objects of study, theory, assessment, and intervention is critical to the development of all clinical sciences. Clinical psychology has been conceptually and administratively dominated by the taxonomy of an adjacent discipline - psychiatry's Diagnostic and statistical manual of mental disorders (DSM). Many have called for a 'paradigm shift' away from a medical nosology of diseases toward clinical psychology's own taxonomy of clinical psychological problems (CPPs), without being able to specify what is to be listed and classified. MAIN TEXT An examination of DSM's problems for clinical psychology, especially its lack of clinical utility, and a search for the essence of CPPs in what clinical psychologists actually do, leads to the proposal that: The critical psychological-level phenomenon underlying CPPs is the occurrence of 'problem-maintaining circles' (PMCs) of causally related cognitions, emotions, behaviours, and/or stimuli. This concept provides an empirically-derived, theory-based, treatment-relevant, categorical, essentialist, parsimonious, and nonstigmatizing definition of CPPs. It distinguishes psychological problems in which PMCs have not (yet?) formed, and which may respond to 'counseling', clinical psychological problems in which active PMCs require clinical intervention, and psychopathological problems which are unlikely to be 'cured' by PMC-breaking alone. CONCLUSION A subsequent classification and coding system of PMCs is proposed, and expected benefits to research, communication, and the quality of case formulation in clinical psychology are described, reliant upon a development effort of some meaningful fraction of that which has been devoted to the DSM.
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Affiliation(s)
- Gary M Bakker
- School of Medicine, University of Tasmania, Locked Bag 1377, Launceston, Tasmania, 7250, Australia.
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Tau and TDP-43 proteinopathies: kindred pathologic cascades and genetic pleiotropy. J Transl Med 2019; 99:993-1007. [PMID: 30742063 PMCID: PMC6609463 DOI: 10.1038/s41374-019-0196-y] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2018] [Revised: 01/04/2019] [Accepted: 01/07/2019] [Indexed: 12/11/2022] Open
Abstract
We review the literature on Tau and TDP-43 proteinopathies in aged human brains and the relevant underlying pathogenetic cascades. Complex interacting pathways are implicated in Alzheimer's disease and related dementias (ADRD), wherein multiple proteins tend to misfold in a manner that is "reactive," but, subsequently, each proteinopathy may contribute strongly to the clinical symptoms. Tau proteinopathy exists in brains of individuals across a broad spectrum of primary underlying conditions-e.g., developmental, traumatic, and inflammatory/infectious diseases. TDP-43 proteinopathy is also expressed in a wide range of clinical disorders. Although TDP-43 proteinopathy was first described in the central nervous system of patients with amyotrophic lateral sclerosis (ALS) and in subtypes of frontotemporal dementia (FTD/FTLD), TDP-43 proteinopathy is also present in chronic traumatic encephalopathy, cognitively impaired persons in advanced age with hippocampal sclerosis, Huntington's disease, and other diseases. We list known Tau and TDP-43 proteinopathies. There is also evidence of cellular co-localization between Tau and TDP-43 misfolded proteins, suggesting common pathways or protein interactions facilitating misfolding in one protein by the other. Multiple pleiotropic gene variants can alter risk for Tau or TDP-43 pathologies, and certain gene variants (e.g., APOE ε4, Huntingtin triplet repeats) are associated with increases of both Tau and TDP-43 proteinopathies. Studies of genetic risk factors have provided insights into multiple nodes of the pathologic cascades involved in Tau and TDP-43 proteinopathies. Variants from a specific gene can be either a low-penetrant risk factor for a group of diseases, or alternatively, a different variant of the same gene may be a disease-driving allele that is associated with a relatively aggressive and early-onset version of a clinically and pathologically specific disease type. Overall, a complex but enlightening paradigm has emerged, wherein both Tau and TDP-43 proteinopathies are linked to numerous overlapping upstream influences, and both are associated with multiple downstream pathologically- and clinically-defined deleterious effects.
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Barkia I, Saari N, Manning SR. Microalgae for High-Value Products Towards Human Health and Nutrition. Mar Drugs 2019; 17:E304. [PMID: 31137657 PMCID: PMC6562505 DOI: 10.3390/md17050304] [Citation(s) in RCA: 205] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2019] [Accepted: 04/02/2019] [Indexed: 12/15/2022] Open
Abstract
Microalgae represent a potential source of renewable nutrition and there is growing interest in algae-based dietary supplements in the form of whole biomass, e.g., Chlorella and Arthrospira, or purified extracts containing omega-3 fatty acids and carotenoids. The commercial production of bioactive compounds from microalgae is currently challenged by the biorefinery process. This review focuses on the biochemical composition of microalgae, the complexities of mass cultivation, as well as potential therapeutic applications. The advantages of open and closed growth systems are discussed, including common problems encountered with large-scale growth systems. Several methods are used for the purification and isolation of bioactive compounds, and many products from microalgae have shown potential as antioxidants and treatments for hypertension, among other health conditions. However, there are many unknown algal metabolites and potential impurities that could cause harm, so more research is needed to characterize strains of interest, improve overall operation, and generate safe, functional products.
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Affiliation(s)
- Ines Barkia
- Department of Food Science, Universiti Putra Malaysia, Selangor 43400, Malaysia.
| | - Nazamid Saari
- Department of Food Science, Universiti Putra Malaysia, Selangor 43400, Malaysia.
| | - Schonna R Manning
- Department of Molecular Biosciences, UTEX Culture Collection of Algae, University of Texas at Austin, Austin, TX 78712, USA.
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Lekomtseva Y, Voloshyn-Gaponov I, Tatayna G. Targeting Higher Levels of Tau Protein in Ukrainian Patients with Wilson's Disease. Neurol Ther 2019; 8:59-68. [PMID: 30919250 PMCID: PMC6534629 DOI: 10.1007/s40120-019-0134-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/28/2019] [Indexed: 01/24/2023] Open
Abstract
INTRODUCTION Wilson's disease (WD) is a rare genetic disorder of copper metabolism in which impaired copper homeostasis may enhance amyloid aggregation and trigger neurodegeneration. Tau protein is a highly soluble microtubule-associated phosphoprotein that plays a significant role in microtubule stabilization; it is also a critical component of neurotoxic degenerative mechanisms. Tau has been shown to be involved in neuronal degeneration and axonal damage, and impaired copper metabolism has been shown to be involved in copper intoxication and thus associated with the processes of neurodegeneration and cellular damage. We have therefore investigated tau protein as a potential marker of axonal impairment and neurodegeneration. METHODS Patients with WD (n = 47; mean age ± standard deviation [SD] 30.19 ± 7.87 years; mean disease duration : 10.06 ± 3.9 years) and healthy controls (HC; n = 30; mean age 29.6 ± 4.73 years) were tested for serum tau protein levels using an enzyme-linked immunosorbent assay method. All patients were receiving a stable penicillamine dose as ongoing therapy. RESULTS Patients with WD had a higher mean tau protein level than did the HC (221.7 ± 135.1 vs. 71.14 ± 20.56 pg/mL, p < 0.0001). Patients with WD also had abnormally high serum tau protein levels (t statistic 6.047, 95% confidence interval - 218.2 to - 95.86) in both the cerebral and hepatocerebral forms of WD, with patients having the cerebral form showing a tendency toward higher tau levels. We found that tau protein did not differ according to gender, disease duration, age at disease onset, ceruloplasmin serum level and copper serum level. CONCLUSION This study provides novel data revealing that high tau protein levels in WD patients could be a potential biomarker for axonal impairment and possible neuronal damage due to tau protein, leading to neurodegeneration in WD.
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Affiliation(s)
- Yevgeniya Lekomtseva
- Department of Neurology, State Institute of Neurology, Psychiatry and Narcology of the National Academy of Medical Sciences of Ukraine, Academic Pavlov Street, 46, 61068, Kharkiv, Ukraine. .,Department of Functional Neurosurgery and Paroxysmal States, State Institute of Neurology, Psychiatry and Narcology of the National Academy of Medical Sciences of Ukraine, Academic Pavlov Str, 46, 61068, Kharkiv, Ukraine.
| | - Ivan Voloshyn-Gaponov
- Department of Neurology, State Institute of Neurology, Psychiatry and Narcology of the National Academy of Medical Sciences of Ukraine, Academic Pavlov Street, 46, 61068, Kharkiv, Ukraine
| | - Gorbach Tatayna
- Department of Biochemistry, Kharkiv National Medical University, Avenue of Science, 4, Kharkiv, 61000, Ukraine
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Heterozygous Deletion of Chorein Exons 70-73 and GNA14 Exons 3-7 in a Brazilian Patient Presenting With Probable Tau-Negative Early-Onset Alzheimer Disease. Alzheimer Dis Assoc Disord 2019; 31:82-85. [PMID: 28079535 DOI: 10.1097/wad.0000000000000185] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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40
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Tripathi RKP, Ayyannan SR. Monoamine oxidase-B inhibitors as potential neurotherapeutic agents: An overview and update. Med Res Rev 2019; 39:1603-1706. [PMID: 30604512 DOI: 10.1002/med.21561] [Citation(s) in RCA: 66] [Impact Index Per Article: 13.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Revised: 12/13/2018] [Accepted: 12/15/2018] [Indexed: 12/23/2022]
Abstract
Monoamine oxidase (MAO) inhibitors have made significant contributions and remain an indispensable approach of molecular and mechanistic diversity for the discovery of antineurodegenerative drugs. However, their usage has been hampered by nonselective and/or irreversible action which resulted in drawbacks like liver toxicity, cheese effect, and so forth. Hence, the search for selective MAO inhibitors (MAOIs) has become a substantial focus in current drug discovery. This review summarizes our current understanding on MAO-A/MAO-B including their structure, catalytic mechanism, and biological functions with emphases on the role of MAO-B as a potential therapeutic target for the development of medications treating neurodegenerative disorders. It also highlights the recent developments in the discovery of potential MAO-B inhibitors (MAO-BIs) belonging to diverse chemical scaffolds, arising from intensive chemical-mechanistic and computational studies documented during past 3 years (2015-2018), with emphases on their potency and selectivity. Importantly, readers will gain knowledge of various newly established MAO-BI scaffolds and their development potentials. The comprehensive information provided herein will hopefully accelerate ideas for designing novel selective MAO-BIs with superior activity profiles and critical discussions will inflict more caution in the decision-making process in the MAOIs discovery.
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Affiliation(s)
- Rati Kailash Prasad Tripathi
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, Banaras Hindu University, Varanasi, India.,Department of Pharmaceutical Chemistry, Parul Institute of Pharmacy, Parul University, Vadodara, India
| | - Senthil Raja Ayyannan
- Pharmaceutical Chemistry Research Laboratory, Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, Banaras Hindu University, Varanasi, India
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Kurd M, Valipour Dehnou V, Tavakoli SA, Gahreman DE. Effects of endurance training on hippocampus DJ-1, cannabinoid receptor type 2 and blood glucose concentration in diabetic rats. J Diabetes Investig 2019; 10:43-50. [PMID: 29791076 PMCID: PMC6319482 DOI: 10.1111/jdi.12868] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2018] [Revised: 05/10/2018] [Accepted: 05/17/2018] [Indexed: 11/28/2022] Open
Abstract
AIMS/INTRODUCTION To investigate the effect of endurance training on hippocampus DJ-1 and cannabinoid receptor type 2 (CB2 ) protein and blood glucose concentration in diabetic rats. MATERIALS AND METHODS A total of 32 rats were randomly divided into diabetic (D), diabetic and exercise (DE), exercise (E) and control (C) groups. The endurance training was carried out five times per week for 6 weeks. The hippocampus DJ-1 and CB2 were measured using an enzyme-linked immunosorbent assay method. RESULTS The level of DJ-1 in the D group was significantly higher than the other groups (P ≤ 0.01). However, the level of DJ-1 was not significantly different between the C, E and DE groups. In addition, the level of CB2 was significantly lower in the D group compared with the other groups (P ≤ 0.01). Blood glucose was significantly higher in the D group compared with the DE group (P ≤ 0.05). Furthermore, a significant positive correlation between the level of DJ-1 and blood glucose was observed (r = 0.67, P ≤ 0.001). There was also a significant inverse correlation between the level of CB2 and blood glucose (r = -0.77, P ≤ 0.001). CONCLUSIONS The results of this study suggest that the level of DJ-1 and CB2 might change in response to diabetes, and regular aerobic exercise could mediate the effect of DJ-1 and CB2 on diabetes-induced neurodegenerative diseases.
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Affiliation(s)
- Mohammad Kurd
- Sports Sciences DepartmentFaculty of Literature & Human SciencesLorestan UniversityKhorramabadIran
| | - Vahid Valipour Dehnou
- Sports Sciences DepartmentFaculty of Literature & Human SciencesLorestan UniversityKhorramabadIran
| | - Seyed A Tavakoli
- Medical Physiology DepartmentFaculty of MedicineLorestan University of Medical SciencesKhorramabadIran
| | - Daniel E Gahreman
- College of Health and Human SciencesCharles Darwin UniversityDarwinNorthern TerritoryAustralia
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Alhazzani A, Rajagopalan P, Albarqi Z, Devaraj A, Mohamed MH, Al-Hakami A, Chandramoorthy HC. Mesenchymal Stem Cells (MSCs) Coculture Protects [Ca 2+] i Orchestrated Oxidant Mediated Damage in Differentiated Neurons In Vitro. Cells 2018; 7:cells7120250. [PMID: 30563298 PMCID: PMC6315478 DOI: 10.3390/cells7120250] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2018] [Accepted: 12/04/2018] [Indexed: 12/26/2022] Open
Abstract
Cell-therapy modalities using mesenchymal stem (MSCs) in experimental strokes are being investigated due to the role of MSCs in neuroprotection and regeneration. It is necessary to know the sequence of events that occur during stress and how MSCs complement the rescue of neuronal cell death mediated by [Ca2+]i and reactive oxygen species (ROS). In the current study, SH-SY5Y-differentiated neuronal cells were subjected to in vitro cerebral ischemia-like stress and were experimentally rescued from cell death using an MSCs/neuronal cell coculture model. Neuronal cell death was characterized by the induction of proinflammatory tumor necrosis factor (TNF)-α, interleukin (IL)-1β and -12, up to 35-fold with corresponding downregulation of anti-inflammatory cytokine transforming growth factor (TGF)-β, IL-6 and -10 by approximately 1 to 7 fold. Increased intracellular calcium [Ca2+]i and ROS clearly reaffirmed oxidative stress-mediated apoptosis, while upregulation of nuclear factor NF-κB and cyclo-oxygenase (COX)-2 expressions, along with ~41% accumulation of early and late phase apoptotic cells, confirmed ischemic stress-mediated cell death. Stressed neuronal cells were rescued from death when cocultured with MSCs via increased expression of anti-inflammatory cytokines (TGF-β, 17%; IL-6, 4%; and IL-10, 13%), significantly downregulated NF-κB and proinflammatory COX-2 expression. Further accumulation of early and late apoptotic cells was diminished to 23%, while corresponding cell death decreased from 40% to 17%. Low superoxide dismutase 1 (SOD1) expression at the mRNA level was rescued by MSCs coculture, while no significant changes were observed with catalase (CAT) and glutathione peroxidase (GPx). Interestingly, increased serotonin release into the culture supernatant was proportionate to the elevated [Ca2+]i and corresponding ROS, which were later rescued by the MSCs coculture to near normalcy. Taken together, all of these results primarily support MSCs-mediated modulation of stressed neuronal cell survival in vitro.
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Affiliation(s)
- Adel Alhazzani
- Department of Internal Medicine, College of Medicine, King Khalid University, Abha 61421, Saudi Arabia.
- Center for Stem Cell Research, College of Medicine, King Khalid University, Abha 61421, Saudi Arabia.
| | - Prasanna Rajagopalan
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Khalid University, Abha 61421, Saudi Arabia.
| | - Zaher Albarqi
- Center for Stem Cell Research, College of Medicine, King Khalid University, Abha 61421, Saudi Arabia.
| | - Anantharam Devaraj
- Center for Stem Cell Research, College of Medicine, King Khalid University, Abha 61421, Saudi Arabia.
- Department of Microbiology and Clinical Parasitology, College of Medicine King Khalid University, Abha 61421, Saudi Arabia.
| | - Mohamed Hessian Mohamed
- Department of Biochemistry, College of Medicine, King Khalid University, Abha 61421, Saudi Arabia.
- Department of Chemistry, Division of Biochemistry, Faculty of Science, Tanta University, Tanta City 31512, Egypt.
| | - Ahmed Al-Hakami
- Center for Stem Cell Research, College of Medicine, King Khalid University, Abha 61421, Saudi Arabia.
- Department of Microbiology and Clinical Parasitology, College of Medicine King Khalid University, Abha 61421, Saudi Arabia.
| | - Harish C Chandramoorthy
- Center for Stem Cell Research, College of Medicine, King Khalid University, Abha 61421, Saudi Arabia.
- Department of Microbiology and Clinical Parasitology, College of Medicine King Khalid University, Abha 61421, Saudi Arabia.
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Zhang L, Chen J. Biological Effects of Tetrahydroxystilbene Glucoside: An Active Component of a Rhizome Extracted from Polygonum multiflorum. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2018; 2018:3641960. [PMID: 30524653 PMCID: PMC6247474 DOI: 10.1155/2018/3641960] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 07/27/2018] [Revised: 10/08/2018] [Accepted: 10/23/2018] [Indexed: 12/16/2022]
Abstract
Polygonum multiflorum Thunb. (PM), a traditional Chinese medicinal herb, has been widely used in the Orient as a tonic and antiaging agent. 2,3,5,4'-Tetrahydroxystilbene-2-O-β-D-glucoside (TSG, C20H22O9, FW = 406.38928) is one of the active components extracted from PM. TSG is an antioxidant agent, which exhibits remarkable antioxidative activities in vivo and in vitro. The antioxidant effect of TSG is achieved by its radical-scavenging effects. TSG can inhibit apoptosis and protect neuronal cells against injury through multifunctional cytoprotective pathways. TSG performs prophylactic and therapeutic activities against Alzheimer's disease, Parkinson's disease, and cerebral ischemia/reperfusion injury. It is also antiatherosclerotic and anti-inflammatory. However, the mechanisms underlying these pharmacological activities are unclear. This study aimed at reviewing experimental studies and describing the effectiveness and possible mechanisms of TSG.
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Affiliation(s)
- Lingling Zhang
- Translational Medicine Center, Honghui Hospital, Xi'an Jiaotong University, Xi'an 710054, China
| | - Jianzong Chen
- Traditional Chinese Medicine Department, Xijing Hospital, Fourth Military Medical University, Xi'an 710032, China
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Sierra-Fonseca JA, Gosselink KL. Tauopathy and neurodegeneration: A role for stress. Neurobiol Stress 2018; 9:105-112. [PMID: 30450376 PMCID: PMC6234266 DOI: 10.1016/j.ynstr.2018.08.009] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2018] [Revised: 08/30/2018] [Accepted: 08/31/2018] [Indexed: 01/22/2023] Open
Abstract
Neurodegenerative diseases are characterized by an irreversible and progressive loss of neuronal structure and function. While many alterations to normal cellular processes occur during neurodegeneration, a pathological accumulation of aggregated proteins constitutes a hallmark of several neurodegenerative disorders. Alzheimer's disease, specifically, is pathologically defined by the formation of amyloid plaques and tangles of hyperphosphorylated tau protein. Stress has emerged as an important factor in the development and progression of neurodegenerative diseases, including Alzheimer's. Very little is known, however, regarding the effects of stress on the mechanisms controlling abnormal protein aggregation and clearance. Chronic stress activates the hypothalamic-pituitary-adrenal (HPA) axis, causing an excessive secretion of glucocorticoids that are capable of impacting diverse physiological and cellular processes. The present review focuses on the influence of stress on a key feature of Alzheimer's disease pathology, emphasizing the relationship between tau phosphorylation and accumulation and its connection to HPA axis dysfunction.
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Affiliation(s)
- Jorge A Sierra-Fonseca
- Department of Biological Sciences and Border Biomedical Research Center, The University of Texas at El Paso, El Paso, TX, 79968, USA
| | - Kristin L Gosselink
- Department of Biological Sciences and Border Biomedical Research Center, The University of Texas at El Paso, El Paso, TX, 79968, USA
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Taalab YM, Ibrahim N, Maher A, Hassan M, Mohamed W, Moustafa AA, Salama M, Johar D, Bernstein L. Mechanisms of disordered neurodegenerative function: concepts and facts about the different roles of the protein kinase RNA-like endoplasmic reticulum kinase (PERK). Rev Neurosci 2018; 29:387-415. [PMID: 29303785 DOI: 10.1515/revneuro-2017-0071] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2017] [Accepted: 10/20/2017] [Indexed: 12/13/2022]
Abstract
Neurodegenerative diseases, such as Alzheimer's disease, Huntington's disease, Parkinson's disease, prion disease, and amyotrophic lateral sclerosis, are a dissimilar group of disorders that share a hallmark feature of accumulation of abnormal intraneuronal or extraneuronal misfolded/unfolded protein and are classified as protein misfolding disorders. Cellular and endoplasmic reticulum (ER) stress activates multiple signaling cascades of the unfolded protein response (UPR). Consequently, translational and transcriptional alterations in target gene expression occur in response directed toward restoring the ER capacity of proteostasis and reestablishing the cellular homeostasis. Evidences from in vitro and in vivo disease models indicate that disruption of ER homeostasis causes abnormal protein aggregation that leads to synaptic and neuronal dysfunction. However, the exact mechanism by which it contributes to disease progression and pathophysiological changes remains vague. Downstream signaling pathways of UPR are fully integrated, yet with diverse unexpected outcomes in different disease models. Three well-identified ER stress sensors have been implicated in UPR, namely, inositol requiring enzyme 1, protein kinase RNA-activated-like ER kinase (PERK), and activating transcription factor 6. Although it cannot be denied that each of the involved stress sensor initiates a distinct downstream signaling pathway, it becomes increasingly clear that shared pathways are crucial in determining whether or not the UPR will guide the cells toward adaptive prosurvival or proapoptotic responses. We review a body of work on the mechanism of neurodegenerative diseases based on oxidative stress and cell death pathways with emphasis on the role of PERK.
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Affiliation(s)
- Yasmeen M Taalab
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Al-Mansoura University, Al-Mansoura, 35111, Egypt
| | - Nour Ibrahim
- Faculty of Medicine, Ain Shams University, Cairo, 11591, Egypt
| | - Ahmed Maher
- Zoonotic Disease Department, National Research Center, Dokki, Giza, 25200, Egypt
| | - Mubashir Hassan
- Department of Biological Sciences, College of Natural Sciences, Kongju National University, Gongju-do 32588, South Korea
| | - Wael Mohamed
- Department of Clinical Pharmacology, Faculty of Medicine, Al-Menoufia University, Al-Menoufia, 25200 Egypt.,Basic Medical Science Department, Kulliyyah of Medicine, International Islamic University Malaysia, Kunatan Pahang, Malaysia
| | - Ahmed A Moustafa
- School of Social Sciences and Psychology and MARCS Institute for Brain and Behaviour, Western Sydney University, Sydney, New South Wales, 2751 Australia
| | - Mohamed Salama
- Department of Forensic Medicine and Clinical Toxicology, Faculty of Medicine, Al-Mansoura University, Al-Mansoura, 35111, Egypt.,Medical Experimental Research Center (MERC), Al-Mansoura University, Al-Mansoura, Egypt
| | - Dina Johar
- Department of Biochemistry and Nutrition, Faculty of Women for Arts, Sciences and Education, Ain Shams University, Heliopolis, Cairo, 11291, Egypt.,Max Rady College of Medicine, Rady Faculty of Health Sciences, Department of Physiology & Pathophysiology 432 Basic Medical Sciences Building, 745 Bannatyne Avenue University of Manitoba, Winnipeg, MB R3E 0J9, Canada, e-mail:
| | - Larry Bernstein
- Triplex Consulting, 54 Firethorn Lane, Northampton, MA 01060, USA
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Ghorbanian D, Gol M, Pourghasem M, Faraji J, Pourghasem K, Soltanpour N. Spatial Memory and Antioxidant Protective Effects of Raisin (Currant) in Aged Rats. Prev Nutr Food Sci 2018; 23:196-205. [PMID: 30386747 PMCID: PMC6195892 DOI: 10.3746/pnf.2018.23.3.196] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2018] [Accepted: 07/04/2018] [Indexed: 01/23/2023] Open
Abstract
Diets rich in fruits and vegetables can prevent age-related diseases. This research was conducted to evaluate the effects of raisin consumption on the spatial memory and morphometric parameters of brain tissue in aging rats. Old rats (20 months of age) were divided into 2 groups: control and raisin, with 6 rats in each group. The raisin group received 6 g of raisins daily in addition to their food and water for 90 days. After treatments, all animals were evaluated by behavioral tests to assess spatial memory and learning alongside other tests including the ferric reducing antioxidant power (FRAP), malondialdehyde, and histological examinations. The results showed that there are significant differences in the Morris water task and passive avoidance learning of behavioral tests and biochemical tests (FRAP and thiobarbituric acid reactive substances) between the two groups. The histological study indicated that the cell count of the hippocampus, the diameter of the lateral ventricle, and area of the corpus callosum in the raisin group changed in comparison with the control group but they were not significant. The results demonstrated that raisins significantly raise antioxidant levels in blood and promotes cognitive and motor performance in aging rats.
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Affiliation(s)
- Davoud Ghorbanian
- Cellular and Molecular Biology Research Center (CMBRC), Babol University of Medical Sciences, Babol 47176-47745, Islamic Republic of Iran.,Department of Anatomical Sciences, Babol University of Medical Sciences, Babol 47176-47745, Islamic Republic of Iran
| | - Mohammed Gol
- Cellular and Molecular Biology Research Center (CMBRC), Babol University of Medical Sciences, Babol 47176-47745, Islamic Republic of Iran.,Department of Anatomical Sciences, Babol University of Medical Sciences, Babol 47176-47745, Islamic Republic of Iran
| | - Mohsen Pourghasem
- Cellular and Molecular Biology Research Center (CMBRC), Babol University of Medical Sciences, Babol 47176-47745, Islamic Republic of Iran.,Department of Anatomical Sciences, Babol University of Medical Sciences, Babol 47176-47745, Islamic Republic of Iran
| | - Jamshid Faraji
- Canadian Centre for Behavioural Neuroscience, University of Lethbridge, Lethbridge, AB T1K 3M4, Canada
| | - Kaveh Pourghasem
- Department of Medical Sciences, Macquarie University, Sydney, NSW 2109, Australia
| | - Nabiollah Soltanpour
- Cellular and Molecular Biology Research Center (CMBRC), Babol University of Medical Sciences, Babol 47176-47745, Islamic Republic of Iran.,Department of Anatomical Sciences, Babol University of Medical Sciences, Babol 47176-47745, Islamic Republic of Iran
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47
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Dickson DW, Heckman MG, Murray ME, Soto AI, Walton RL, Diehl NN, van Gerpen JA, Uitti RJ, Wszolek ZK, Ertekin-Taner N, Knopman DS, Petersen RC, Graff-Radford NR, Boeve BF, Bu G, Ferman TJ, Ross OA. APOE ε4 is associated with severity of Lewy body pathology independent of Alzheimer pathology. Neurology 2018; 91:e1182-e1195. [PMID: 30143564 DOI: 10.1212/wnl.0000000000006212] [Citation(s) in RCA: 120] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2018] [Accepted: 06/25/2018] [Indexed: 01/23/2023] Open
Abstract
OBJECTIVE To evaluate whether APOE ε4 is associated with severity of Lewy body (LB) pathology, independently of Alzheimer disease (AD) pathology. METHODS Six hundred fifty-two autopsy-confirmed LB disease (LBD) cases and 660 clinical controls were genotyped for APOE. In case-control analysis, LBD cases were classified into 9 different groups according to severity of both LB pathology (brainstem, transitional, diffuse) and AD pathology (low, moderate, high) to assess associations between APOE ε4 and risk of different neuropathologically defined LBD subgroups in comparison to controls. In LBD cases only, we also measured LB counts from 5 cortical regions and evaluated associations with ε4 according to severity of AD pathology. RESULTS As expected, APOE ε4 was associated with an increased risk of transitional and diffuse LBD in cases with moderate or high AD pathology (all odds ratios ≥3.42, all p ≤ 0.004). Of note, ε4 was also associated with an increased risk of diffuse LBD with low AD pathology (odds ratio = 3.46, p = 0.001). In the low AD pathology LBD subgroup, ε4 was associated with significantly more LB counts in the 5 cortical regions, independently of Braak stage and Thal phase (all p ≤ 0.002). CONCLUSIONS Our results indicate that APOE ε4 is independently associated with a greater severity of LB pathology. These findings increase our understanding of the mechanism behind reported associations of ε4 with risk of dementia with Lewy bodies and Parkinson disease with dementia, and suggest that ε4 may function as a modifier of processes that favor LB spread rather than acting directly to initiate LB pathology.
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Affiliation(s)
- Dennis W Dickson
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Michael G Heckman
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Melissa E Murray
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Alexandra I Soto
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Ronald L Walton
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Nancy N Diehl
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Jay A van Gerpen
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Ryan J Uitti
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Zbigniew K Wszolek
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Nilüfer Ertekin-Taner
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - David S Knopman
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Ronald C Petersen
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Neill R Graff-Radford
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Bradley F Boeve
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Guojun Bu
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Tanis J Ferman
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN
| | - Owen A Ross
- From the Department of Neuroscience (D.W.D., M.E.M., A.I.S., R.W., N.E.-T., G.B., O.A.R.), Division of Biomedical Statistics and Informatics (M.G.H., N.N.D.), and Departments of Neurology (J.A.v.G., R.J.U., Z.K.W., N.E.-T., N.R.G.-R.) and Psychiatry and Psychology (T.J.F.), Mayo Clinic, Jacksonville, FL; and Department of Neurology (D.S.K., R.C.P., B.F.B.), Mayo Clinic, Rochester, MN.
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48
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Cid-Castro C, Hernández-Espinosa DR, Morán J. ROS as Regulators of Mitochondrial Dynamics in Neurons. Cell Mol Neurobiol 2018; 38:995-1007. [DOI: 10.1007/s10571-018-0584-7] [Citation(s) in RCA: 58] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2017] [Accepted: 04/12/2018] [Indexed: 12/31/2022]
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49
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Bhat ZF, Morton JD, Mason S, Bekhit AEDA, Bhat HF. Obesity and neurological disorders: Dietary perspective of a global menace. Crit Rev Food Sci Nutr 2017; 59:1294-1310. [PMID: 29257910 DOI: 10.1080/10408398.2017.1404442] [Citation(s) in RCA: 37] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Obesity is considered a major public health concern throughout the world among children, adolescents, as well as adults and several therapeutic, preventive and dietary interventions are available. In addition to life style changes and medical interventions, significant milestones have been achieved in the past decades in the development of several functional foods and dietary regimens to reduce this menace. Being a multifactorial phenomenon and related to increased fat mass that adversely affects health, obesity has been associated with the development of several other co-morbidities. A great body of research and strong scientific evidence identifies obesity as an important risk factor for onset and progression of several neurological disorders. Obesity induced dyslipidaemia, metabolic dysfunction, and inflammation are attributable to the development of a variety of effects on central nervous system (CNS). Evidence suggests that neurological diseases such as Parkinson's disease and Alzheimer's disease could be initiated by various metabolic changes, related to CNS damage, caused by obesity. These metabolic changes could alter the synaptic plasticity of the neurons and lead to neural death, affecting the normal physiology of CNS. Dietary intervention in combination with exercise can affect the molecular events involved in energy metabolism and synaptic plasticity and are considered effective non-invasive strategy to counteract cognitive and neurological disorders. The present review gives an overview of the obesity and related neurological disorders and the possible dietary interventions.
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Affiliation(s)
- Zuhaib F Bhat
- a Lincoln University Faculty of Agriculture and Life Sciences, Wine Food and Molecular Biosciences , Lincoln , Canterbury , New Zealand
| | - James D Morton
- a Lincoln University Faculty of Agriculture and Life Sciences, Wine Food and Molecular Biosciences , Lincoln , Canterbury , New Zealand
| | - Sue Mason
- a Lincoln University Faculty of Agriculture and Life Sciences, Wine Food and Molecular Biosciences , Lincoln , Canterbury , New Zealand
| | | | - Hina Fayaz Bhat
- c Sher-E-Kashmir University of Agricultural Sciences and Technology of Kashmir , Srinagar , India
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50
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Gleixner AM, Hutchison DF, Sannino S, Bhatia TN, Leak LC, Flaherty PT, Wipf P, Brodsky JL, Leak RK. N-Acetyl-l-Cysteine Protects Astrocytes against Proteotoxicity without Recourse to Glutathione. Mol Pharmacol 2017; 92:564-575. [PMID: 28830914 DOI: 10.1124/mol.117.109926] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Accepted: 08/17/2017] [Indexed: 02/06/2023] Open
Abstract
N-acetyl-l-cysteine (NAC) exhibits protective properties in brain injury models and has undergone a number of clinical trials. Most studies of NAC have focused on neurons. However, neuroprotection may be complemented by the protection of astrocytes because healthier astrocytes can better support the viability of neurons. Here, we show that NAC can protect astrocytes against protein misfolding stress (proteotoxicity), the hallmark of neurodegenerative disorders. Although NAC is thought to be a glutathione precursor, NAC protected primary astrocytes from the toxicity of the proteasome inhibitor MG132 without eliciting any increase in glutathione. Furthermore, glutathione depletion failed to attenuate the protective effects of NAC. MG132 elicited a robust increase in the folding chaperone heat shock protein 70 (Hsp70), and NAC mitigated this effect. Nevertheless, three independent inhibitors of Hsp70 function ablated the protective effects of NAC, suggesting that NAC may help preserve Hsp70 chaperone activity and improve protein quality control without need for Hsp70 induction. Consistent with this view, NAC abolished an increase in ubiquitinated proteins in MG132-treated astrocytes. However, NAC did not affect the loss of proteasome activity in response to MG132, demonstrating that it boosted protein homeostasis and cell viability without directly interfering with the efficacy of this proteasome inhibitor. The thiol-containing molecules l-cysteine and d-cysteine both mimicked the protective effects of NAC, whereas the thiol-lacking molecule N-acetyl-S-methyl-l-cysteine failed to exert protection or blunt the rise in ubiquitinated proteins. Collectively, these findings suggest that the thiol group in NAC is required for its effects on glial viability and protein quality control.
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Affiliation(s)
- Amanda M Gleixner
- Division of Pharmaceutical Sciences, School of Pharmacy, Duquesne University, Pittsburgh, Pennsylvania (A.M.G., D.F.H., T.N.B., L.C.L., P.T.F., R.K.L.); and Departments of Biological Sciences (S.S., J.L.B.) and Chemistry and Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania (P.W.)
| | - Daniel F Hutchison
- Division of Pharmaceutical Sciences, School of Pharmacy, Duquesne University, Pittsburgh, Pennsylvania (A.M.G., D.F.H., T.N.B., L.C.L., P.T.F., R.K.L.); and Departments of Biological Sciences (S.S., J.L.B.) and Chemistry and Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania (P.W.)
| | - Sara Sannino
- Division of Pharmaceutical Sciences, School of Pharmacy, Duquesne University, Pittsburgh, Pennsylvania (A.M.G., D.F.H., T.N.B., L.C.L., P.T.F., R.K.L.); and Departments of Biological Sciences (S.S., J.L.B.) and Chemistry and Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania (P.W.)
| | - Tarun N Bhatia
- Division of Pharmaceutical Sciences, School of Pharmacy, Duquesne University, Pittsburgh, Pennsylvania (A.M.G., D.F.H., T.N.B., L.C.L., P.T.F., R.K.L.); and Departments of Biological Sciences (S.S., J.L.B.) and Chemistry and Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania (P.W.)
| | - Lillian C Leak
- Division of Pharmaceutical Sciences, School of Pharmacy, Duquesne University, Pittsburgh, Pennsylvania (A.M.G., D.F.H., T.N.B., L.C.L., P.T.F., R.K.L.); and Departments of Biological Sciences (S.S., J.L.B.) and Chemistry and Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania (P.W.)
| | - Patrick T Flaherty
- Division of Pharmaceutical Sciences, School of Pharmacy, Duquesne University, Pittsburgh, Pennsylvania (A.M.G., D.F.H., T.N.B., L.C.L., P.T.F., R.K.L.); and Departments of Biological Sciences (S.S., J.L.B.) and Chemistry and Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania (P.W.)
| | - Peter Wipf
- Division of Pharmaceutical Sciences, School of Pharmacy, Duquesne University, Pittsburgh, Pennsylvania (A.M.G., D.F.H., T.N.B., L.C.L., P.T.F., R.K.L.); and Departments of Biological Sciences (S.S., J.L.B.) and Chemistry and Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania (P.W.)
| | - Jeffrey L Brodsky
- Division of Pharmaceutical Sciences, School of Pharmacy, Duquesne University, Pittsburgh, Pennsylvania (A.M.G., D.F.H., T.N.B., L.C.L., P.T.F., R.K.L.); and Departments of Biological Sciences (S.S., J.L.B.) and Chemistry and Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania (P.W.)
| | - Rehana K Leak
- Division of Pharmaceutical Sciences, School of Pharmacy, Duquesne University, Pittsburgh, Pennsylvania (A.M.G., D.F.H., T.N.B., L.C.L., P.T.F., R.K.L.); and Departments of Biological Sciences (S.S., J.L.B.) and Chemistry and Pharmaceutical Sciences, University of Pittsburgh, Pittsburgh, Pennsylvania (P.W.)
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