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Cannas C, Lostia G, Serra PA, Peana AT, Migheli R. Food and Food Waste Antioxidants: Could They Be a Potent Defence against Parkinson's Disease? Antioxidants (Basel) 2024; 13:645. [PMID: 38929084 PMCID: PMC11200518 DOI: 10.3390/antiox13060645] [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: 04/24/2024] [Revised: 05/18/2024] [Accepted: 05/23/2024] [Indexed: 06/28/2024] Open
Abstract
Oxidative stress, an imbalance between reactive oxygen species (ROS) and endogenous antioxidants, plays an important role in the development of neurodegenerative diseases, including Parkinson's. The human brain is vulnerable to oxidative stress because of the high rate of oxygen that it needs and the high levels of polyunsaturated fatty acids, which are substrates of lipid peroxidation. Natural antioxidants inhibit oxidation and reduce oxidative stress, preventing cancer, inflammation, and neurodegenerative disorders. Furthermore, in the literature, it is reported that antioxidants, due to their possible neuroprotective activity, may offer an interesting option for better symptom management, even Parkinson's disease (PD). Natural antioxidants are usually found in several foods, such as fruits, vegetables, meat, fish, and oil, and in food wastes, such as seeds, peels, leaves, and skin. They can help the system of endogenous antioxidants, protect or repair cellular components from oxidative stress, and even halt lipid, protein, and DNA damage to neurons. This review will examine the extent of knowledge from the last ten years, about the neuroprotective potential effect of natural antioxidants present in food and food by-products, in in vivo and in vitro PD models. Additionally, this study will demonstrate that the pool of dietary antioxidants may be an important tool in the prevention of PD and an opportunity for cost savings in the public health area.
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Affiliation(s)
| | | | | | | | - Rossana Migheli
- Department of Medicine, Surgery and Pharmacy, University of Sassari, Viale San Pietro 43, 07100 Sassari, Italy (A.T.P.)
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Alvarez J, Alvarez-Illera P, García-Casas P, Fonteriz RI, Montero M. The Role of Ca 2+ Signaling in Aging and Neurodegeneration: Insights from Caenorhabditis elegans Models. Cells 2020; 9:cells9010204. [PMID: 31947609 PMCID: PMC7016793 DOI: 10.3390/cells9010204] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/18/2019] [Revised: 01/08/2020] [Accepted: 01/10/2020] [Indexed: 02/06/2023] Open
Abstract
Ca2+ is a ubiquitous second messenger that plays an essential role in physiological processes such as muscle contraction, neuronal secretion, and cell proliferation or differentiation. There is ample evidence that the dysregulation of Ca2+ signaling is one of the key events in the development of neurodegenerative processes, an idea called the "calcium hypothesis" of neurodegeneration. Caenorhabditis elegans (C. elegans) is a very good model for the study of aging and neurodegeneration. In fact, many of the signaling pathways involved in longevity were first discovered in this nematode, and many models of neurodegenerative diseases have also been developed therein, either through mutations in the worm genome or by expressing human proteins involved in neurodegeneration (β-amyloid, α-synuclein, polyglutamine, or others) in defined worm tissues. The worm is completely transparent throughout its whole life, which makes it possible to carry out Ca2+ dynamics studies in vivo at any time, by expressing Ca2+ fluorescent probes in defined worm tissues, and even in specific organelles such as mitochondria. This review will summarize the evidence obtained using this model organism to understand the role of Ca2+ signaling in aging and neurodegeneration.
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Cheng J, North BJ, Zhang T, Dai X, Tao K, Guo J, Wei W. The emerging roles of protein homeostasis-governing pathways in Alzheimer's disease. Aging Cell 2018; 17:e12801. [PMID: 29992725 PMCID: PMC6156496 DOI: 10.1111/acel.12801] [Citation(s) in RCA: 75] [Impact Index Per Article: 12.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 06/04/2018] [Indexed: 12/22/2022] Open
Abstract
Pathways governing protein homeostasis are involved in maintaining the structural, quantitative, and functional stability of intracellular proteins and involve the ubiquitin-proteasome system, autophagy, endoplasmic reticulum, and mTOR pathway. Due to the broad physiological implications of protein homeostasis pathways, dysregulation of proteostasis is often involved in the development of multiple pathological conditions, including Alzheimer's disease (AD). Similar to other neurodegenerative diseases that feature pathogenic accumulation of misfolded proteins, Alzheimer's disease is characterized by two pathological hallmarks, amyloid-β (Aβ) plaques and tau aggregates. Knockout or transgenic overexpression of various proteostatic components in mice results in AD-like phenotypes. While both Aβ plaques and tau aggregates could in turn enhance the dysfunction of these proteostatic pathways, eventually leading to apoptotic or necrotic neuronal death and pathogenesis of Alzheimer's disease. Therefore, targeting the components of proteostasis pathways may be a promising therapeutic strategy against Alzheimer's disease.
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Affiliation(s)
- Ji Cheng
- Department of Gastrointestinal SurgeryUnion HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
- Department of PathologyBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusetts
| | - Brian J. North
- Department of PathologyBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusetts
| | - Tao Zhang
- Department of PathologyBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusetts
| | - Xiangpeng Dai
- Department of PathologyBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusetts
| | - Kaixiong Tao
- Department of Gastrointestinal SurgeryUnion HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhanChina
| | - Jianping Guo
- Department of PathologyBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusetts
| | - Wenyi Wei
- Department of PathologyBeth Israel Deaconess Medical CenterHarvard Medical SchoolBostonMassachusetts
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Spirulina maxima extract prevents cell death through BDNF activation against amyloid beta 1-42 (Aβ 1-42) induced neurotoxicity in PC12 cells. Neurosci Lett 2018; 673:33-38. [PMID: 29499310 DOI: 10.1016/j.neulet.2018.02.057] [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: 01/03/2018] [Revised: 02/09/2018] [Accepted: 02/26/2018] [Indexed: 12/24/2022]
Abstract
Spirulina maxima is a blue-green micro alga that contains abundant amounts of proteins (60-70%), vitamins, chlorophyll a, and C-phycocyanin (C-PC). It has been shown to reduce oxidative stress, and prevent diabetes and non-alcoholic fatty liver disease. However, it is unclear whether Spirulina maxima 70% ethanol extract (SM70EE), chlorophyll a, and C-PC prevent Aβ1-42-induced neurotoxicity in PC12 cells. The aim of this study was to investigate whether SM70EE, chlorophyll a, and C-PC prevent Aβ1-42-induced cell death. SM70EE, chlorophyll a, and C-PC suppressed the Aβ1-42-induced increase in poly-ADP ribose polymerase-1 (PARP-1) cleavage and reduced Aβ1-42-induced decreases in glutathione and its associated factors. The level of brain-derived neurotrophic factor (BDNF), which plays a critical role in neuronal survival and neuroprotection, was increased by SM70EE, chlorophyll a, and C-PC in Aβ1-42-treated cells. SM70EE treatment decreased oxidative stress and cell death in response to Aβ1-42 treatment, while simultaneously suppressing PARP cleavage and increasing the levels of glutathione (GSH) and its associated factors. Moreover, SM70EE lowered the levels of APP and BACE1, two major factors involved in APP processing, and increased BDNF expression during Aβ1-42-induced neurotoxicity in PC12 cells. We suggest that SM70EE prevents cell death caused by Aβ1-42 -induced neurotoxicity via the activation of BDNF signaling.
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Lim SM, van den Ham HJ, Oduber M, Martina E, Zaaraoui-Boutahar F, Roose JM, van IJcken WFJ, Osterhaus ADME, Andeweg AC, Koraka P, Martina BEE. Transcriptomic Analyses Reveal Differential Gene Expression of Immune and Cell Death Pathways in the Brains of Mice Infected with West Nile Virus and Chikungunya Virus. Front Microbiol 2017; 8:1556. [PMID: 28861067 PMCID: PMC5562671 DOI: 10.3389/fmicb.2017.01556] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2017] [Accepted: 08/02/2017] [Indexed: 12/11/2022] Open
Abstract
West Nile virus (WNV) and chikungunya virus (CHIKV) are arboviruses that are constantly (re-)emerging and expanding their territory. Both viruses often cause a mild form of disease, but severe forms of the disease can consist of neurological symptoms, most often observed in the elderly and young children, respectively, for which the mechanisms are poorly understood. To further elucidate the mechanisms responsible for end-stage WNV and CHIKV neuroinvasive disease, we used transcriptomics to compare the induction of effector pathways in the brain during the early and late stage of disease in young mice. In addition to the more commonly described cell death pathways such as apoptosis and autophagy, we also found evidence for the differential expression of pyroptosis and necroptosis cell death markers during both WNV and CHIKV neuroinvasive disease. In contrast, no evidence of cell dysfunction was observed, indicating that cell death may be the most important mechanism of disease. Interestingly, there was overlap when comparing immune markers involved in neuroinvasive disease to those seen in neurodegenerative diseases. Nonetheless, further validation studies are needed to determine the activation and involvement of these effector pathways at the end stage of disease. Furthermore, evidence for a strong inflammatory response was found in mice infected with WNV and CHIKV. The transcriptomics profile measured in mice with WNV and CHIKV neuroinvasive disease in our study showed strong overlap with the mRNA profile described in the literature for other viral neuroinvasive diseases. More studies are warranted to decipher the role of cell inflammation and cell death in viral neuroinvasive disease and whether common mechanisms are active in both neurodegenerative and brain infectious diseases.
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Affiliation(s)
| | | | - Minoushka Oduber
- Department of Viroscience, Erasmus Medical CenterRotterdam, Netherlands
| | | | | | - Jeroen M Roose
- Artemis One Health Research FoundationDelft, Netherlands
| | | | - Albert D M E Osterhaus
- Artemis One Health Research FoundationDelft, Netherlands.,Research Center for Emerging Infections and Zoonoses (RIZ), University of Veterinary MedicineHannover, Germany
| | - Arno C Andeweg
- Department of Viroscience, Erasmus Medical CenterRotterdam, Netherlands
| | - Penelope Koraka
- Department of Viroscience, Erasmus Medical CenterRotterdam, Netherlands
| | - Byron E E Martina
- Artemis One Health Research FoundationDelft, Netherlands.,Department of Viroscience, Erasmus Medical CenterRotterdam, Netherlands
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Bacillus thuringiensis Crystal Protein Cry6Aa Triggers Caenorhabditis elegans Necrosis Pathway Mediated by Aspartic Protease (ASP-1). PLoS Pathog 2016; 12:e1005389. [PMID: 26795495 PMCID: PMC4721865 DOI: 10.1371/journal.ppat.1005389] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2015] [Accepted: 12/18/2015] [Indexed: 02/07/2023] Open
Abstract
Cell death plays an important role in host-pathogen interactions. Crystal proteins (toxins) are essential components of Bacillus thuringiensis (Bt) biological pesticides because of their specific toxicity against insects and nematodes. However, the mode of action by which crystal toxins to induce cell death is not completely understood. Here we show that crystal toxin triggers cell death by necrosis signaling pathway using crystal toxin Cry6Aa-Caenorhabditis elegans toxin-host interaction system, which involves an increase in concentrations of cytoplasmic calcium, lysosomal lyses, uptake of propidium iodide, and burst of death fluorescence. We find that a deficiency in the necrosis pathway confers tolerance to Cry6Aa toxin. Intriguingly, the necrosis pathway is specifically triggered by Cry6Aa, not by Cry5Ba, whose amino acid sequence is different from that of Cry6Aa. Furthermore, Cry6Aa-induced necrosis pathway requires aspartic protease (ASP-1). In addition, ASP-1 protects Cry6Aa from over-degradation in C. elegans. This is the first demonstration that deficiency in necrosis pathway confers tolerance to Bt crystal protein, and that Cry6A triggers necrosis represents a newly added necrosis paradigm in the C. elegans. Understanding this model could lead to new strategies for nematode control. Necrosis contributes to many devastating pathological conditions, such as neurodegenerative diseases and microbial pathogenesis. Bacillus thuringiensis crystal proteins are effective biopesticides. Our study reveals that B. thuringiensis Cry6Aa protein triggers the necrosis pathway using Caenorhabditis elegans as a model. We show that aspartic protease ASP-1 is required for Cry6Aa protein-induced necrosis, whereas intrinsic insults induce necrosis mediated by ASP-3 and ASP-4. Our findings contribute to the understanding of the mechanism of Bt crystal protein action and host-pathogen interactions. Because necrosis mechanisms are conserved from nematodes to humans, the fact that necrosis can be induced by Cry6Aa provides a model system for studying necrosis mechanisms in human diseases.
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Jenzer C, Simionato E, Legouis R. Tools and methods to analyze autophagy in C. elegans. Methods 2014; 75:162-71. [PMID: 25484340 DOI: 10.1016/j.ymeth.2014.11.019] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2014] [Revised: 11/24/2014] [Accepted: 11/25/2014] [Indexed: 11/27/2022] Open
Abstract
For a long time, autophagy has been mainly studied in yeast or mammalian cell lines, and assays for analyzing autophagy in these models have been well described. More recently, the involvement of autophagy in various physiological functions has been investigated in multicellular organisms. Modification of autophagy flux is involved in developmental processes, resistance to stress conditions, aging, cell death and multiple pathologies. So, the use of animal models is essential to understand these processes in the context of different cell types and during the whole life. For ten years, the nematode Caenorhabditis elegans has emerged as a powerful model to analyze autophagy in physiological or pathological contexts. In this article, we present some of the established approaches and the emerging tools available to monitor and manipulate autophagy in C. elegans, and discuss their advantages and limitations.
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Affiliation(s)
- Céline Jenzer
- Centre de Génétique Moléculaire, CNRS UPR3404, 1 Avenue de la Terrasse, 91198 Gif-sur-Yvette Cedex, France; Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Université Paris Sud, 1 Avenue de la Terrasse, 91198 Gif sur Yvette, France
| | - Elena Simionato
- Centre de Génétique Moléculaire, CNRS UPR3404, 1 Avenue de la Terrasse, 91198 Gif-sur-Yvette Cedex, France; Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Université Paris Sud, 1 Avenue de la Terrasse, 91198 Gif sur Yvette, France
| | - Renaud Legouis
- Centre de Génétique Moléculaire, CNRS UPR3404, 1 Avenue de la Terrasse, 91198 Gif-sur-Yvette Cedex, France; Institute for Integrative Biology of the Cell (I2BC), CEA, CNRS, Université Paris Sud, 1 Avenue de la Terrasse, 91198 Gif sur Yvette, France.
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