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Wang D, Qu S, Zhang Z, Tan L, Chen X, Zhong HJ, Chong CM. Strategies targeting endoplasmic reticulum stress to improve Parkinson's disease. Front Pharmacol 2023; 14:1288894. [PMID: 38026955 PMCID: PMC10667558 DOI: 10.3389/fphar.2023.1288894] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Accepted: 10/30/2023] [Indexed: 12/01/2023] Open
Abstract
Parkinson's disease (PD) is a common neurodegenerative disorder with motor symptoms, which is caused by the progressive death of dopaminergic (DA) neurons in the substantia nigra pars compacta (SNpc). Accumulating evidence shows that endoplasmic reticulum (ER) stress occurring in the SNpc DA neurons is an early event in the development of PD. ER stress triggers the activation of unfolded protein response (UPR) to reduce stress and restore ER function. However, excessive and continuous ER stress and UPR exacerbate the risk of DA neuron death through crosstalk with other PD events. Thus, ER stress is considered a promising therapeutic target for the treatment of PD. Various strategies targeting ER stress through the modulation of UPR signaling, the increase of ER's protein folding ability, and the enhancement of protein degradation are developed to alleviate neuronal death in PD models. In this review, we summarize the pathological role of ER stress in PD and update the strategies targeting ER stress to improve ER protein homeostasis and PD-related events.
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Affiliation(s)
- Danni Wang
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Shuhui Qu
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Zaijun Zhang
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, China
| | - Liang Tan
- Department of Neurosurgery, Southwest Hospital, The Third Military Medical University (Army Military Medical University), Chongqing, China
| | - Xiuping Chen
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
| | - Hai-Jing Zhong
- International Cooperative Laboratory of Traditional Chinese Medicine Modernization and Innovative Drug Development of Chinese Ministry of Education (MOE), College of Pharmacy, Jinan University, Guangzhou, China
| | - Cheong-Meng Chong
- State Key Laboratory of Quality Research in Chinese Medicine, Institute of Chinese Medical Sciences, University of Macau, Macao, China
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Santos TB, de Moraes LGC, Pacheco PAF, dos Santos DG, Ribeiro RMDAC, Moreira CDS, da Rocha DR. Naphthoquinones as a Promising Class of Compounds for Facing the Challenge of Parkinson's Disease. Pharmaceuticals (Basel) 2023; 16:1577. [PMID: 38004442 PMCID: PMC10674926 DOI: 10.3390/ph16111577] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Revised: 10/30/2023] [Accepted: 11/02/2023] [Indexed: 11/26/2023] Open
Abstract
Parkinson's disease (PD) is a degenerative disease that affects approximately 6.1 million people and is primarily caused by the loss of dopaminergic neurons. Naphthoquinones have several biological activities explored in the literature, including neuroprotective effects. Therefore, this review shows an overview of naphthoquinones with neuroprotective effects, such as shikonin, plumbagin and vitamin K, that prevented oxidative stress, in addition to multiple mechanisms. Synthetic naphthoquinones with inhibitory activity on the P2X7 receptor were also found, leading to a neuroprotective effect on Neuro-2a cells. It was found that naphthazarin can act as inhibitors of the MAO-B enzyme. Vitamin K and synthetic naphthoquinones hybrids with tryptophan or dopamine showed inhibition of the aggregation of α-synuclein. Synthetic derivatives of juglone and naphthazarin were able to protect Neuro-2a cells against neurodegenerative effects of neurotoxins. In addition, routes for producing synthetic derivatives were also discussed. With the data presented, 1,4-naphthoquinones can be considered as a promising class in the treatment of PD and this review aims to assist the scientific community in the application of these compounds. The derivatives presented can also support further research that explores their structures as synthetic platforms, in addition to helping to understand the interaction of naphthoquinones with biological targets related to PD.
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Affiliation(s)
- Thaís Barreto Santos
- Instituto de Química, Universidade Federal Fluminense, Outeiro de São João Batista s/n°, Niterói CEP 24.020-141, RJ, Brazil; (T.B.S.); (L.G.C.d.M.); (P.A.F.P.); (D.G.d.S.); (R.M.d.A.C.R.); (C.d.S.M.)
| | - Leonardo Gomes Cavalieri de Moraes
- Instituto de Química, Universidade Federal Fluminense, Outeiro de São João Batista s/n°, Niterói CEP 24.020-141, RJ, Brazil; (T.B.S.); (L.G.C.d.M.); (P.A.F.P.); (D.G.d.S.); (R.M.d.A.C.R.); (C.d.S.M.)
| | - Paulo Anastácio Furtado Pacheco
- Instituto de Química, Universidade Federal Fluminense, Outeiro de São João Batista s/n°, Niterói CEP 24.020-141, RJ, Brazil; (T.B.S.); (L.G.C.d.M.); (P.A.F.P.); (D.G.d.S.); (R.M.d.A.C.R.); (C.d.S.M.)
| | - Douglas Galdino dos Santos
- Instituto de Química, Universidade Federal Fluminense, Outeiro de São João Batista s/n°, Niterói CEP 24.020-141, RJ, Brazil; (T.B.S.); (L.G.C.d.M.); (P.A.F.P.); (D.G.d.S.); (R.M.d.A.C.R.); (C.d.S.M.)
| | - Rafaella Machado de Assis Cabral Ribeiro
- Instituto de Química, Universidade Federal Fluminense, Outeiro de São João Batista s/n°, Niterói CEP 24.020-141, RJ, Brazil; (T.B.S.); (L.G.C.d.M.); (P.A.F.P.); (D.G.d.S.); (R.M.d.A.C.R.); (C.d.S.M.)
| | - Caroline dos Santos Moreira
- Instituto de Química, Universidade Federal Fluminense, Outeiro de São João Batista s/n°, Niterói CEP 24.020-141, RJ, Brazil; (T.B.S.); (L.G.C.d.M.); (P.A.F.P.); (D.G.d.S.); (R.M.d.A.C.R.); (C.d.S.M.)
- Instituto Federal do Rio de Janeiro, Campus Paracambi, Rua Sebastião Lacerda s/n°, Fábrica, Paracambi CEP 26.600-000, RJ, Brazil
| | - David Rodrigues da Rocha
- Instituto de Química, Universidade Federal Fluminense, Outeiro de São João Batista s/n°, Niterói CEP 24.020-141, RJ, Brazil; (T.B.S.); (L.G.C.d.M.); (P.A.F.P.); (D.G.d.S.); (R.M.d.A.C.R.); (C.d.S.M.)
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3
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Lomeli-Lepe AK, Castañeda-Cabral JL, López-Pérez SJ. Synucleinopathies: Intrinsic and Extrinsic Factors. Cell Biochem Biophys 2023; 81:427-442. [PMID: 37526884 DOI: 10.1007/s12013-023-01154-z] [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: 05/05/2023] [Accepted: 07/23/2023] [Indexed: 08/02/2023]
Abstract
α-Synucleinopathies are a group of neurodegenerative disorders characterized by alterations in α-synuclein (α-syn), a protein associated with membrane phospholipids, whose precise function in normal cells is still unknown. These kinds of diseases are caused by multiple factors, but the regulation of the α-syn gene is believed to play a central role in the pathology of these disorders; therefore, the α-syn gene is one of the most studied genes. α-Synucleinopathies are complex disorders that derive from the interaction between genetic and environmental factors. Here, we offer an update on the landscape of the epigenetic regulation of α-syn gene expression that has been linked with α-synucleinopathies. We also delve into the reciprocal influence between epigenetic modifications and other factors related to these disorders, such as posttranslational modifications, microbiota participation, interactions with lipids, neuroinflammation and oxidative stress, to promote α-syn aggregation by acting on the transcription and/or translation of the α-syn gene.
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Affiliation(s)
- Alma Karen Lomeli-Lepe
- Departamento de Biología Celular y Molecular, CUCBA, Universidad de Guadalajara, Guadalajara, JAL, México
| | - Jose Luis Castañeda-Cabral
- Departamento de Biología Celular y Molecular, CUCBA, Universidad de Guadalajara, Guadalajara, JAL, México
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Yoo YM, Joo SS. Melatonin Can Modulate Neurodegenerative Diseases by Regulating Endoplasmic Reticulum Stress. Int J Mol Sci 2023; 24:ijms24032381. [PMID: 36768703 PMCID: PMC9916953 DOI: 10.3390/ijms24032381] [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: 12/26/2022] [Revised: 01/17/2023] [Accepted: 01/21/2023] [Indexed: 01/27/2023] Open
Abstract
As people age, their risks of developing degenerative diseases such as cancer, diabetes, Parkinson's Disease (PD), Alzheimer's Disease (AD), rheumatoid arthritis, and osteoporosis are generally increasing. Millions of people worldwide suffer from these diseases as they age. In most countries, neurodegenerative diseases are generally recognized as the number one cause afflicting the elderly. Endoplasmic reticulum (ER) stress has been suggested to be associated with some human neurological diseases, such as PD and AD. Melatonin, a neuroendocrine hormone mainly synthesized in the pineal gland, is involved in pleiotropically biological functions, including the control of the circadian rhythm, immune enhancement, and antioxidant, anti-aging, and anti-tumor effects. Although there are many papers on the prevention or suppression of diseases by melatonin, there are very few papers about the effects of melatonin on ER stress in neurons and neurodegenerative diseases. This paper aims to summarize and present the effects of melatonin reported so far, focusing on its effects on neurons and neurodegenerative diseases related to ER stress. Studies have shown that the primary target molecule of ER stress for melatonin is CHOP, and PERK and GRP78/BiP are the secondary target molecules. Therefore, melatonin is crucial in protecting neurons and treating neurodegeneration against ER stress.
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Affiliation(s)
- Yeong-Min Yoo
- East Coast Life Sciences Institute, College of Life Science, Gangneung-Wonju National University, Gangneung 25457, Republic of Korea
- Correspondence: (Y.-M.Y.); (S.S.J.); Tel.: +82-10-2494-5309 (Y.-M.Y.); +82-33-640-2856 (S.S.J.); Fax: +82-33-640-2849 (Y.-M.Y. & S.S.J.)
| | - Seong Soo Joo
- Department of Marine Bioscience, College of Life Science, Gangneung-Wonju National University, Gangneung 25457, Republic of Korea
- Correspondence: (Y.-M.Y.); (S.S.J.); Tel.: +82-10-2494-5309 (Y.-M.Y.); +82-33-640-2856 (S.S.J.); Fax: +82-33-640-2849 (Y.-M.Y. & S.S.J.)
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Yang B, Yang Z, Hao L. Dynamics of a model for the degradation mechanism of aggregated α-synuclein in Parkinson's disease. Front Comput Neurosci 2023; 17:1068150. [PMID: 37122994 PMCID: PMC10133481 DOI: 10.3389/fncom.2023.1068150] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Accepted: 03/17/2023] [Indexed: 05/02/2023] Open
Abstract
Accumulation of the misfolded synaptic protein α-synuclein (αSyn*) is a hallmark of neurodegenerative disease in Parkinson's disease (PD). Recent studies suggest that the autophagy lysosome pathway (ALP) including both the Beclin1-associated and mTOR-signaling pathways is involved in the αSyn* clearance mechanism. In this study, a mathematical model is proposed for the degradation of αSyn* by ALP with the crosstalk element of mTOR. Using codimension-1 bifurcation analysis, the tri-stability of αSyn* is surveyed under three different stress signals and, in addition, consideration is given to the regulatory mechanisms for the Beclin1- and mTOR-dependent rates on αSyn* degradation using the codimension-1 and-2 bifurcation diagrams. It was found that, especially under internal and external oxidative stresses (S 1), the bistable switch of the aggregation of αSyn* can be transformed from an irreversible to a reversible condition through the ALP degradation pathways. Furthermore, the robustness of the tri-stable state for the stress S 1 to the parameters related to mTOR-mediated ALP was probed. It was confirmed that mTOR-mediated ALP is important for maintaining the essential dynamic features of the tri-stable state. This study may provide a promising avenue for conducting further experiments and simulations of the degradation mechanism of dynamic modeling in PD.
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Affiliation(s)
- Bojie Yang
- School of Mathematical Sciences and LMIB, Beihang University, Beijing, China
| | - Zhuoqin Yang
- School of Mathematical Sciences and LMIB, Beihang University, Beijing, China
- *Correspondence: Zhuoqin Yang
| | - Lijie Hao
- School of Mathematics Science, Tianjin Normal University, Tianjin, China
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Singh A, Ramalingam P, Dhingra S, Ravichandiran V, Murti K. Arsenic: a Culpable Element and a Possible Menace for HIV/AIDS Patients. Biol Trace Elem Res 2022; 200:4955-4966. [PMID: 35128593 DOI: 10.1007/s12011-022-03097-7] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/22/2021] [Accepted: 01/02/2022] [Indexed: 11/02/2022]
Abstract
Arsenic contamination has long been recognized as one of the most harmful environmental pollutants resulting from anthropogenic activity. Apart from being an environmental toxicant or pollutant, this culpable heavy metal also has detrimental effects on human health. People throughout the world are exposed to arsenic (As) mostly through polluted drinking water. Acute inorganic arsenic (iAs) poisoning causes nausea, vomiting, stomach discomfort, and severe diarrhea. As on long-term exposure is a potent carcinogen, characterized by IARC (International Agency for Research on Cancer). As levels are high mainly in Gangetic regions due to which the people living around are suffering the consequences. The carcinogenicity of As is well established but the immunotoxicity caused by it is still unknown. Some animal model supports the toxicity of As in the immune system as well, but in humans, mainly suffering from human immunodeficiency virus (HIV), it is not well established. iAs suppresses the immune system by acting on different targets and exacerbating infections. Although animal studies have demonstrated that arsenic trioxide (As2O3) reduces viral rebound and restores CD4 + count in vivo when coupled with antiretroviral medications, elemental AS may have devastating effects on the immune system of HIV patients, making them more prone to opportunistic infections (OIs). It is well known that in later stages of HIV infection, neurological problems also complicate the conditions such as cognitive impairment and AIDS dementia complex (ADC). Along with immunotoxicity, As has the potential to damage HIV patients' brains. This article addresses the immunotoxicity of arsenic and exacerbations caused by it, along with the neurotoxicity, particularly in HIV patients residing near the Gangetic belt.
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Affiliation(s)
- Akanksha Singh
- Department of Pharmacy Practice, National Institute of Pharmaceutical Education and Research (NIPER), Bihar, Hajipur, India
| | - P Ramalingam
- Department of Pharmaceutical Analysis, National Institute of Pharmaceutical Education and Research (NIPER), Bihar, Hajipur, India
| | - Sameer Dhingra
- Department of Pharmacy Practice, National Institute of Pharmaceutical Education and Research (NIPER), Bihar, Hajipur, India
| | - V Ravichandiran
- Department of Pharmacy Practice, National Institute of Pharmaceutical Education and Research (NIPER), Bihar, Hajipur, India
- Department of Natural Products, National Institute of Pharmaceutical Education and Research (NIPER), West Bengal, Kolkata, India
| | - Krishna Murti
- Department of Pharmacy Practice, National Institute of Pharmaceutical Education and Research (NIPER), Bihar, Hajipur, India.
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Assessing Drug-Induced Mitochondrial Toxicity in Cardiomyocytes: Implications for Preclinical Cardiac Safety Evaluation. Pharmaceutics 2022; 14:pharmaceutics14071313. [PMID: 35890211 PMCID: PMC9319223 DOI: 10.3390/pharmaceutics14071313] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/09/2022] [Accepted: 06/14/2022] [Indexed: 02/07/2023] Open
Abstract
Drug-induced cardiotoxicity not only leads to the attrition of drugs during development, but also contributes to the high morbidity and mortality rates of cardiovascular diseases. Comprehensive testing for proarrhythmic risks of drugs has been applied in preclinical cardiac safety assessment for over 15 years. However, other mechanisms of cardiac toxicity have not received such attention. Of them, mitochondrial impairment is a common form of cardiotoxicity and is known to account for over half of cardiovascular adverse-event-related black box warnings imposed by the U.S. Food and Drug Administration. Although it has been studied in great depth, mitochondrial toxicity assessment has not yet been incorporated into routine safety tests for cardiotoxicity at the preclinical stage. This review discusses the main characteristics of mitochondria in cardiomyocytes, drug-induced mitochondrial toxicities, and high-throughput screening strategies for cardiomyocytes, as well as their proposed integration into preclinical safety pharmacology. We emphasize the advantages of using adult human primary cardiomyocytes for the evaluation of mitochondrial morphology and function, and the need for a novel cardiac safety testing platform integrating mitochondrial toxicity and proarrhythmic risk assessments in cardiac safety evaluation.
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Kim S, Kim DK, Jeong S, Lee J. The Common Cellular Events in the Neurodegenerative Diseases and the Associated Role of Endoplasmic Reticulum Stress. Int J Mol Sci 2022; 23:5894. [PMID: 35682574 PMCID: PMC9180188 DOI: 10.3390/ijms23115894] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2022] [Revised: 05/17/2022] [Accepted: 05/20/2022] [Indexed: 12/28/2022] Open
Abstract
Neurodegenerative diseases are inseparably linked with aging and increase as life expectancy extends. There are common dysfunctions in various cellular events shared among neurogenerative diseases, such as calcium dyshomeostasis, neuroinflammation, and age-associated decline in the autophagy-lysosome system. However, most of all, the prominent pathological feature of neurodegenerative diseases is the toxic buildup of misfolded protein aggregates and inclusion bodies accompanied by an impairment in proteostasis. Recent studies have suggested a close association between endoplasmic reticulum (ER) stress and neurodegenerative pathology in cellular and animal models as well as in human patients. The contribution of mutant or misfolded protein-triggered ER stress and its associated signaling events, such as unfolded protein response (UPR), to the pathophysiology of various neurodegenerative disorders, including Alzheimer's, Parkinson's, and Huntington's disease, amyotrophic lateral sclerosis, and prion disease, is described here. Impaired UPR action is commonly attributed to exacerbated ER stress, pathogenic protein aggregate accumulation, and deteriorating neurodegenerative pathologies. Thus, activating certain UPR components has been shown to alleviate ER stress and its associated neurodegeneration. However, uncontrolled activation of some UPR factors has also been demonstrated to worsen neurodegenerative phenotypes, suggesting that detailed molecular mechanisms around ER stress and its related neurodegenerations should be understood to develop effective therapeutics against aging-associated neurological syndromes. We also discuss current therapeutic endeavors, such as the development of small molecules that selectively target individual UPR components and address ER stress in general.
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Affiliation(s)
- Soojeong Kim
- Department of New Biology, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Korea; (S.K.); (D.K.K.); (S.J.)
| | - Doo Kyung Kim
- Department of New Biology, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Korea; (S.K.); (D.K.K.); (S.J.)
| | - Seho Jeong
- Department of New Biology, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Korea; (S.K.); (D.K.K.); (S.J.)
| | - Jaemin Lee
- Department of New Biology, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Korea; (S.K.); (D.K.K.); (S.J.)
- New Biology Research Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Korea
- Well Aging Research Center, Daegu Gyeongbuk Institute of Science and Technology (DGIST), Daegu 42988, Korea
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Xu J, Minobe E, Kameyama M. Ca2+ Dyshomeostasis Links Risk Factors to Neurodegeneration in Parkinson’s Disease. Front Cell Neurosci 2022; 16:867385. [PMID: 35496903 PMCID: PMC9050104 DOI: 10.3389/fncel.2022.867385] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Accepted: 03/23/2022] [Indexed: 12/06/2022] Open
Abstract
Parkinson’s disease (PD), a common neurodegenerative disease characterized by motor dysfunction, results from the death of dopaminergic neurons in the substantia nigra pars compacta (SNc). Although the precise causes of PD are still unknown, several risk factors for PD have been determined, including aging, genetic mutations, environmental factors, and gender. Currently, the molecular mechanisms underlying risk factor-related neurodegeneration in PD remain elusive. Endoplasmic reticulum stress, excessive reactive oxygen species production, and impaired autophagy have been implicated in neuronal death in the SNc in PD. Considering that these pathological processes are tightly associated with intracellular Ca2+, it is reasonable to hypothesize that dysregulation of Ca2+ handling may mediate risk factors-related PD pathogenesis. We review the recent findings on how risk factors cause Ca2+ dyshomeostasis and how aberrant Ca2+ handling triggers dopaminergic neurodegeneration in the SNc in PD, thus putting forward the possibility that manipulation of specific Ca2+ handling proteins and subcellular Ca2+ homeostasis may lead to new promising strategies for PD treatment.
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Sunanda T, Ray B, Mahalakshmi AM, Bhat A, Rashan L, Rungratanawanich W, Song BJ, Essa MM, Sakharkar MK, Chidambaram SB. Mitochondria-Endoplasmic Reticulum Crosstalk in Parkinson's Disease: The Role of Brain Renin Angiotensin System Components. Biomolecules 2021; 11:biom11111669. [PMID: 34827667 PMCID: PMC8615717 DOI: 10.3390/biom11111669] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2021] [Revised: 10/29/2021] [Accepted: 11/04/2021] [Indexed: 12/12/2022] Open
Abstract
The past few decades have seen an increased emphasis on the involvement of the mitochondrial-associated membrane (MAM) in various neurodegenerative diseases, particularly in Parkinson’s disease (PD) and Alzheimer’s disease (AD). In PD, alterations in mitochondria, endoplasmic reticulum (ER), and MAM functions affect the secretion and metabolism of proteins, causing an imbalance in calcium homeostasis and oxidative stress. These changes lead to alterations in the translocation of the MAM components, such as IP3R, VDAC, and MFN1 and 2, and consequently disrupt calcium homeostasis and cause misfolded proteins with impaired autophagy, distorted mitochondrial dynamics, and cell death. Various reports indicate the detrimental involvement of the brain renin–angiotensin system (RAS) in oxidative stress, neuroinflammation, and apoptosis in various neurodegenerative diseases. In this review, we attempted to update the reports (using various search engines, such as PubMed, SCOPUS, Elsevier, and Springer Nature) demonstrating the pathogenic interactions between the various proteins present in mitochondria, ER, and MAM with respect to Parkinson’s disease. We also made an attempt to speculate the possible involvement of RAS and its components, i.e., AT1 and AT2 receptors, angiotensinogen, in this crosstalk and PD pathology. The review also collates and provides updated information on the role of MAM in calcium signaling, oxidative stress, neuroinflammation, and apoptosis in PD.
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Affiliation(s)
- Tuladhar Sunanda
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India; (T.S.); (B.R.); (A.M.M.); (A.B.)
- Centre for Experimental Pharmacology and Toxicology, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India
| | - Bipul Ray
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India; (T.S.); (B.R.); (A.M.M.); (A.B.)
- Centre for Experimental Pharmacology and Toxicology, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India
| | - Arehally M. Mahalakshmi
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India; (T.S.); (B.R.); (A.M.M.); (A.B.)
| | - Abid Bhat
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India; (T.S.); (B.R.); (A.M.M.); (A.B.)
- Centre for Experimental Pharmacology and Toxicology, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India
| | - Luay Rashan
- Biodiversity Research Centre, Dohfar University, Salalah 2059, Oman;
| | - Wiramon Rungratanawanich
- Section of Molecular Pharmacology and Toxicology, Laboratory of Membrane Biochemistry and Biophysics, National Institute on Alcohol Abuse and Alcoholism, 9000 Rockville Pike, Bethesda, MD 20892, USA; (W.R.); (B.-J.S.)
| | - Byoung-Joon Song
- Section of Molecular Pharmacology and Toxicology, Laboratory of Membrane Biochemistry and Biophysics, National Institute on Alcohol Abuse and Alcoholism, 9000 Rockville Pike, Bethesda, MD 20892, USA; (W.R.); (B.-J.S.)
| | - Musthafa Mohamed Essa
- Department of Food Science and Nutrition, CAMS, Sultan Qaboos University, Muscat 123, Oman;
- Ageing and Dementia Research Group, Sultan Qaboos University, Muscat 123, Oman
| | - Meena Kishore Sakharkar
- College of Pharmacy and Nutrition, University of Saskatchewan, Saskatoon, SK S7N 5A2, Canada
- Correspondence: (M.K.S.); (S.B.C.)
| | - Saravana Babu Chidambaram
- Department of Pharmacology, JSS College of Pharmacy, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India; (T.S.); (B.R.); (A.M.M.); (A.B.)
- Centre for Experimental Pharmacology and Toxicology, JSS Academy of Higher Education & Research, Mysuru 570015, Karnataka, India
- Correspondence: (M.K.S.); (S.B.C.)
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Serratos IN, Hernández-Pérez E, Campos C, Aschner M, Santamaría A. An Update on the Critical Role of α-Synuclein in Parkinson's Disease and Other Synucleinopathies: from Tissue to Cellular and Molecular Levels. Mol Neurobiol 2021; 59:620-642. [PMID: 34750787 DOI: 10.1007/s12035-021-02596-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/16/2021] [Accepted: 10/08/2021] [Indexed: 12/15/2022]
Abstract
The aggregation of alpha-synuclein (α-Syn) plays a critical role in the development of Parkinson's disease (PD) and other synucleinopathies. α-Syn, which is encoded by the SNCA gene, is a lysine-rich soluble amphipathic protein normally expressed in neurons. Located in the cytosolic domain, this protein has the ability to remodel itself in plasma membranes, where it assumes an alpha-helix conformation. However, the protein can also adopt another conformation rich in cross-beta sheets, undergoing mutations and post-translational modifications, then leading the protein to an unusual aggregation in the form of Lewy bodies (LB), which are cytoplasmic inclusions constituted predominantly by α-Syn. Pathogenic mechanisms affecting the structural and functional stability of α-Syn - such as endoplasmic reticulum stress, Golgi complex fragmentation, disfunctional protein degradation systems, aberrant interactions with mitochondrial membranes and nuclear DNA, altered cytoskeleton dynamics, disrupted neuronal plasmatic membrane, dysfunctional vesicular transport, and formation of extracellular toxic aggregates - contribute all to the pathogenic progression of PD and synucleinopathies. In this review, we describe the collective knowledge on this topic and provide an update on the critical role of α-Syn aggregates, both at the cellular and molecular levels, in the deregulation of organelles affecting the cellular homeostasis and leading to neuronal cell death in PD and other synucleinopathies.
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Affiliation(s)
- Iris N Serratos
- Departamento de Química, Universidad Autónoma Metropolitana-Iztapalapa, 09340, Mexico City, Mexico
| | - Elizabeth Hernández-Pérez
- Departamento de Ciencias de La Salud, Universidad Autónoma Metropolitana-Iztapalapa, 09340, Mexico City, Mexico
| | - Carolina Campos
- Departamento de Ciencias de La Salud, Universidad Autónoma Metropolitana-Iztapalapa, 09340, Mexico City, Mexico.
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine, 1300 Morris Park Avenue, Bronx, NY, 10461, USA
| | - Abel Santamaría
- Laboratorio de Aminoácidos Excitadores/Laboratorio de Neurofarmacología Molecular y Nanotecnología, Instituto Nacional de Neurología y Neurocirugía, SSA, 14269, Mexico City, Mexico.
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Resveratrol Treatment in Human Parkin-Mutant Fibroblasts Modulates cAMP and Calcium Homeostasis Regulating the Expression of Mitochondria-Associated Membranes Resident Proteins. Biomolecules 2021; 11:biom11101511. [PMID: 34680144 PMCID: PMC8534032 DOI: 10.3390/biom11101511] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Revised: 10/12/2021] [Accepted: 10/13/2021] [Indexed: 12/16/2022] Open
Abstract
Parkin plays an important role in ensuring efficient mitochondrial function and calcium homeostasis. Parkin-mutant human fibroblasts, with defective oxidative phosphorylation activity, showed high basal cAMP level likely ascribed to increased activity/expression of soluble adenylyl cyclase and/or low expression/activity of the phosphodiesterase isoform 4 and to a higher Ca2+ level. Overall, these findings support the existence, in parkin-mutant fibroblasts, of an abnormal Ca2+ and cAMP homeostasis in mitochondria. In our previous studies resveratrol treatment of parkin-mutant fibroblasts induced a partial rescue of mitochondrial functions associated with stimulation of the AMPK/SIRT1/PGC-1α pathway. In this study we provide additional evidence of the potential beneficial effects of resveratrol inducing an increase in the pre-existing high Ca2+ level and remodulation of the cAMP homeostasis in parkin-mutant fibroblasts. Consistently, we report in these fibroblasts higher expression of proteins implicated in the tethering of ER and mitochondrial contact sites along with their renormalization after resveratrol treatment. On this basis we hypothesize that resveratrol-mediated enhancement of the Ca2+ level, fine-tuned by the ER-mitochondria Ca2+ crosstalk, might modulate the pAMPK/AMPK pathway in parkin-mutant fibroblasts.
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Fonseca Cabral G, Schaan AP, Cavalcante GC, Sena-dos-Santos C, de Souza TP, Souza Port’s NM, dos Santos Pinheiro JA, Ribeiro-dos-Santos Â, Vidal AF. Nuclear and Mitochondrial Genome, Epigenome and Gut Microbiome: Emerging Molecular Biomarkers for Parkinson's Disease. Int J Mol Sci 2021; 22:9839. [PMID: 34576000 PMCID: PMC8471599 DOI: 10.3390/ijms22189839] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 06/23/2021] [Accepted: 06/28/2021] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Parkinson's disease (PD) is currently the second most common neurodegenerative disorder, burdening about 10 million elderly individuals worldwide. The multifactorial nature of PD poses a difficult obstacle for understanding the mechanisms involved in its onset and progression. Currently, diagnosis depends on the appearance of clinical signs, some of which are shared among various neurologic disorders, hindering early diagnosis. There are no effective tools to prevent PD onset, detect the disease in early stages or accurately report the risk of disease progression. Hence, there is an increasing demand for biomarkers that may identify disease onset and progression, as treatment-based medicine may not be the best approach for PD. Over the last few decades, the search for molecular markers to predict susceptibility, aid in accurate diagnosis and evaluate the progress of PD have intensified, but strategies aimed to improve individualized patient care have not yet been established. CONCLUSIONS Genomic variation, regulation by epigenomic mechanisms, as well as the influence of the host gut microbiome seem to have a crucial role in the onset and progress of PD, thus are considered potential biomarkers. As such, the human nuclear and mitochondrial genome, epigenome, and the host gut microbiome might be the key elements to the rise of personalized medicine for PD patients.
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Affiliation(s)
- Gleyce Fonseca Cabral
- Laboratório de Genética Humana e Médica, Universidade Federal do Pará, R. Augusto Correa, Belém 66075-110, Brazil; (G.F.C.); (A.P.S.); (G.C.C.); (C.S.-d.-S.); (T.P.d.S.); (J.A.d.S.P.)
| | - Ana Paula Schaan
- Laboratório de Genética Humana e Médica, Universidade Federal do Pará, R. Augusto Correa, Belém 66075-110, Brazil; (G.F.C.); (A.P.S.); (G.C.C.); (C.S.-d.-S.); (T.P.d.S.); (J.A.d.S.P.)
| | - Giovanna C. Cavalcante
- Laboratório de Genética Humana e Médica, Universidade Federal do Pará, R. Augusto Correa, Belém 66075-110, Brazil; (G.F.C.); (A.P.S.); (G.C.C.); (C.S.-d.-S.); (T.P.d.S.); (J.A.d.S.P.)
| | - Camille Sena-dos-Santos
- Laboratório de Genética Humana e Médica, Universidade Federal do Pará, R. Augusto Correa, Belém 66075-110, Brazil; (G.F.C.); (A.P.S.); (G.C.C.); (C.S.-d.-S.); (T.P.d.S.); (J.A.d.S.P.)
| | - Tatiane Piedade de Souza
- Laboratório de Genética Humana e Médica, Universidade Federal do Pará, R. Augusto Correa, Belém 66075-110, Brazil; (G.F.C.); (A.P.S.); (G.C.C.); (C.S.-d.-S.); (T.P.d.S.); (J.A.d.S.P.)
| | - Natacha M. Souza Port’s
- Laboratório de Neurofarmacologia Molecular, Universidade de São Paulo, São Paulo 05508-000, Brazil;
| | - Jhully Azevedo dos Santos Pinheiro
- Laboratório de Genética Humana e Médica, Universidade Federal do Pará, R. Augusto Correa, Belém 66075-110, Brazil; (G.F.C.); (A.P.S.); (G.C.C.); (C.S.-d.-S.); (T.P.d.S.); (J.A.d.S.P.)
| | - Ândrea Ribeiro-dos-Santos
- Laboratório de Genética Humana e Médica, Universidade Federal do Pará, R. Augusto Correa, Belém 66075-110, Brazil; (G.F.C.); (A.P.S.); (G.C.C.); (C.S.-d.-S.); (T.P.d.S.); (J.A.d.S.P.)
- Núcleo de Pesquisas em Oncologia, Universidade Federal do Pará–R. dos Mundurucus, Belém 66073-000, Brazil
- Programa de Pós-Graduação em Genética e Biologia Molecular, Universidade Federal do Pará, R. Augusto Correa, Belém 66075-110, Brazil
| | - Amanda F. Vidal
- Laboratório de Genética Humana e Médica, Universidade Federal do Pará, R. Augusto Correa, Belém 66075-110, Brazil; (G.F.C.); (A.P.S.); (G.C.C.); (C.S.-d.-S.); (T.P.d.S.); (J.A.d.S.P.)
- Programa de Pós-Graduação em Genética e Biologia Molecular, Universidade Federal do Pará, R. Augusto Correa, Belém 66075-110, Brazil
- ITVDS—Instituto Tecnológico Vale Desenvolvimento Sustentável–R. Boaventura da Silva, Belém 66055-090, Brazil
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Redox Homeostasis and Prospects for Therapeutic Targeting in Neurodegenerative Disorders. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:9971885. [PMID: 34394839 PMCID: PMC8355971 DOI: 10.1155/2021/9971885] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/24/2021] [Revised: 05/27/2021] [Accepted: 07/20/2021] [Indexed: 12/14/2022]
Abstract
Reactive species, such as those of oxygen, nitrogen, and sulfur, are considered part of normal cellular metabolism and play significant roles that can impact several signaling processes in ways that lead to either cellular sustenance, protection, or damage. Cellular redox processes involve a balance in the production of reactive species (RS) and their removal because redox imbalance may facilitate oxidative damage. Physiologically, redox homeostasis is essential for the maintenance of many cellular processes. RS may serve as signaling molecules or cause oxidative cellular damage depending on the delicate equilibrium between RS production and their efficient removal through the use of enzymatic or nonenzymatic cellular mechanisms. Moreover, accumulating evidence suggests that redox imbalance plays a significant role in the progression of several neurodegenerative diseases. For example, studies have shown that redox imbalance in the brain mediates neurodegeneration and alters normal cytoprotective responses to stress. Therefore, this review describes redox homeostasis in neurodegenerative diseases with a focus on Alzheimer's and Parkinson's disease. A clearer understanding of the redox-regulated processes in neurodegenerative disorders may afford opportunities for newer therapeutic strategies.
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Minaei A, Sarookhani MR, Haghdoost-Yazdi H, Rajaei F. Hydrogen sulfide attenuates induction and prevents progress of the 6-hydroxydopamine-induced Parkinsonism in rat through activation of ATP-sensitive potassium channels and suppression of ER stress. Toxicol Appl Pharmacol 2021; 423:115558. [PMID: 33961902 DOI: 10.1016/j.taap.2021.115558] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2021] [Revised: 04/19/2021] [Accepted: 04/29/2021] [Indexed: 11/28/2022]
Abstract
PURPOSE Studies argue in favor of hydrogen sulfide (H2S) as the next potent therapeutic agent for neurodegenerative diseases. In present study, we investigated the effect of long term treatment with NaHS (as donor of H2S) on induction and progress of the 6-hydroxydopamine (6-OHDA) -induced Parkinsonism in rat. METHODS The 6-OHDA was injected into medial forebrain bundle of right hemisphere by stereotaxic surgery. Behavioral tests and treatments were carried out to eight weeks after the toxin. Immunohistochemistry and western blotting were carried out to evaluate the survival of tyrosine hydroxylase (TH) -positive neurons in substantia nigra (SN) and also expression of glucose-regulated protein 78 (GRP78) and C/EBP homologous protein (CHOP), the markers of endoplasmic reticulum (ER) stress, in striatum and SN. RESULTS Eight weeks assessment of the behavioral symptoms showed that NaHS especially at dose of 100 μmol/kg attenuates remarkably induction of the Parkinsonism and prevents its progress. NaHS also increased the survival of TH- positive neurons and suppressed 6-OHDA- induced overexpression of GRP78 and CHOP. Blockade of ATP-sensitive potassium (K-ATP) channels with glibenclamide (Glib) prevented markedly the effect of NaHS on both the induction phase and survival of TH- positive neurons. But Glib did not affect the preventing effect of NaHS on the progress phase and its suppressing effect on the overexpression of ER stress markers. CONCLUSION H2S attenuates induction of the 6-OHDA- induced Parkinsonism and also increases the survival of dopaminergic neurons through activation of K-ATP channels. H2S also prevents progress of the Parkinsonism probably through suppression of ER stress.
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Affiliation(s)
- Azita Minaei
- Cellular and Molecular Research Center, Research Institute for Prevention of Non-Communicable Disease, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Mohammad Reza Sarookhani
- Cellular and Molecular Research Center, Research Institute for Prevention of Non-Communicable Disease, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Hashem Haghdoost-Yazdi
- Cellular and Molecular Research Center, Research Institute for Prevention of Non-Communicable Disease, Qazvin University of Medical Sciences, Qazvin, Iran.
| | - Farzad Rajaei
- Cellular and Molecular Research Center, Research Institute for Prevention of Non-Communicable Disease, Qazvin University of Medical Sciences, Qazvin, Iran
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Gupta S, Mishra A, Singh S. Cardinal role of eukaryotic initiation factor 2 (eIF2α) in progressive dopaminergic neuronal death & DNA fragmentation: Implication of PERK:IRE1α:ATF6 axis in Parkinson's pathology. Cell Signal 2021; 81:109922. [PMID: 33484794 DOI: 10.1016/j.cellsig.2021.109922] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2020] [Revised: 01/05/2021] [Accepted: 01/05/2021] [Indexed: 12/14/2022]
Abstract
The study was conducted to assess the role of eukaryotic initiation factor 2 (eIF2α) in progressive dopaminergic neuronal death employing various interventions (YM08, 4μ8C, AEBSF, salubrinal, ursolic acid) of endoplasmic reticulum (ER) stress signaling. The protein level of all the ER stress related signaling factors (GRP78, IRE1α, ATF6, eIF2α, ATF4, XBP-1, GADD153) were estimated after 3 and 7 day of experiment initiation. Findings with single administration of interventions showed that salubrinal exhibited significant protection against rotenone induced adverse alterations in comparison to other interventions. Therefore, further study was expanded with repeat dose of salubrinal. Rotenone administration in rat brain caused the significant biochemical alterations, dose dependent progressive neuronal apoptosis and altered neuronal morphology which was significantly attenuated with salubrinal treatment. In conclusion, findings showed that rotenone administration caused the dose dependent progressive neuronal death including cardinal role of eIF2α, suggesting the potential pharmacological utilization of salubrinal or salubrinal like molecules in therapeutics of Parkinson's diseases.
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Affiliation(s)
- Sonam Gupta
- Department of Neuroscience and Ageing Biology, Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow 226031, India; Academy of Scientific & Innovative Research (AcSIR), CSIR-Central Drug Research Institute, India
| | - Amit Mishra
- Cellular and Molecular Neurobiology Unit, Indian Institute of Technology, Jodhpur, Rajasthan 342011, India
| | - Sarika Singh
- Department of Neuroscience and Ageing Biology, Division of Toxicology and Experimental Medicine, CSIR-Central Drug Research Institute, Lucknow 226031, India; Academy of Scientific & Innovative Research (AcSIR), CSIR-Central Drug Research Institute, India.
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da Costa CA, Manaa WE, Duplan E, Checler F. The Endoplasmic Reticulum Stress/Unfolded Protein Response and Their Contributions to Parkinson's Disease Physiopathology. Cells 2020; 9:cells9112495. [PMID: 33212954 PMCID: PMC7698446 DOI: 10.3390/cells9112495] [Citation(s) in RCA: 49] [Impact Index Per Article: 12.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2020] [Revised: 11/13/2020] [Accepted: 11/16/2020] [Indexed: 12/11/2022] Open
Abstract
Parkinson’s disease (PD) is a multifactorial age-related movement disorder in which defects of both mitochondria and the endoplasmic reticulum (ER) have been reported. The unfolded protein response (UPR) has emerged as a key cellular dysfunction associated with the etiology of the disease. The UPR involves a coordinated response initiated in the endoplasmic reticulum that grants the correct folding of proteins. This review gives insights on the ER and its functioning; the UPR signaling cascades; and the link between ER stress, UPR activation, and physiopathology of PD. Thus, post-mortem studies and data obtained by either in vitro and in vivo pharmacological approaches or by genetic modulation of PD causative genes are described. Further, we discuss the relevance and impact of the UPR to sporadic and genetic PD pathology.
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Ji M, Niu S, Guo J, Mi H, Jiang P. Silencing RNF13 Alleviates Parkinson’s Disease – Like Problems in Mouse Models by Regulating the Endoplasmic Reticulum Stress–Mediated IRE1α-TRAF2-ASK1-JNK Pathway. J Mol Neurosci 2020; 70:1977-1986. [DOI: 10.1007/s12031-020-01599-4] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2020] [Accepted: 05/15/2020] [Indexed: 12/11/2022]
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Dey K, Bazala MA, Kuznicki J. Targeting mitochondrial calcium pathways as a potential treatment against Parkinson's disease. Cell Calcium 2020; 89:102216. [PMID: 32473487 DOI: 10.1016/j.ceca.2020.102216] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 05/06/2020] [Accepted: 05/08/2020] [Indexed: 12/14/2022]
Abstract
Parkinson's disease (PD) is a major health problem worldwide affecting millions of people and is a result of neurodegeneration in a small part of the brain known as substantia nigra pars compacta. Aberration in mitochondrial Ca2+ homeostasis plays, among several other factors, an important role for the neuronal loss in PD. Mitochondria are vital for cellular physiology, e.g. for ATP generation, and mitochondrial Ca2+ is a key player in cell functioning and survival. Mitochondrial Ca2+ homeostasis is maintained by a fine balance between the activities of proteins mediating the influx and efflux of Ca2+ across mitochondrial membranes. Malfunctioning of these proteins leading to Ca2+ overload promotes ROS generation, which induces cell death by triggering the opening of mitochondrial permeability transition pore. Till now PD remains incurable and the "gold standard" drug which can only delays the disease progression is l-Dopa from the 1960s and therefore, the situation warrants the search for novel targets for the treatment of the PD patients. In this review, we summarize the current views that suggest mitochondrial Ca2+ regulatory pathways are good candidates for the treatment of PD.
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Affiliation(s)
- Kuntal Dey
- Institute of Veterinary Physiology, University of Zurich, Zurich, Switzerland.
| | - Michal A Bazala
- Laboratory of Neurodegeneration, International Institute of Molecular and Cell Biology, Warsaw, Poland.
| | - Jacek Kuznicki
- Laboratory of Neurodegeneration, International Institute of Molecular and Cell Biology, Warsaw, Poland.
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Scorziello A, Borzacchiello D, Sisalli MJ, Di Martino R, Morelli M, Feliciello A. Mitochondrial Homeostasis and Signaling in Parkinson's Disease. Front Aging Neurosci 2020; 12:100. [PMID: 32372945 PMCID: PMC7186467 DOI: 10.3389/fnagi.2020.00100] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Accepted: 03/24/2020] [Indexed: 12/14/2022] Open
Abstract
The loss of dopaminergic (DA) neurons in the substantia nigra leads to a progressive, long-term decline of movement and other non-motor deficits. The symptoms of Parkinson’s disease (PD) often appear later in the course of the disease, when most of the functional dopaminergic neurons have been lost. The late onset of the disease, the severity of the illness, and its impact on the global health system demand earlier diagnosis and better targeted therapy. PD etiology and pathogenesis are largely unknown. There are mutations in genes that have been linked to PD and, from these complex phenotypes, mitochondrial dysfunction emerged as central in the pathogenesis and evolution of PD. In fact, several PD-associated genes negatively impact on mitochondria physiology, supporting the notion that dysregulation of mitochondrial signaling and homeostasis is pathogenically relevant. Derangement of mitochondrial homeostatic controls can lead to oxidative stress and neuronal cell death. Restoring deranged signaling cascades to and from mitochondria in PD neurons may then represent a viable opportunity to reset energy metabolism and delay the death of dopaminergic neurons. Here, we will highlight the relevance of dysfunctional mitochondrial homeostasis and signaling in PD, the molecular mechanisms involved, and potential therapeutic approaches to restore mitochondrial activities in damaged neurons.
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Affiliation(s)
- Antonella Scorziello
- Division of Pharmacology, Department of Neuroscience, Reproductive and Dentistry Sciences, University of Naples Federico II, Naples, Italy
| | - Domenica Borzacchiello
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy
| | - Maria Jose Sisalli
- Division of Pharmacology, Department of Neuroscience, Reproductive and Dentistry Sciences, University of Naples Federico II, Naples, Italy
| | - Rossana Di Martino
- Division of Pharmacology, Department of Neuroscience, Reproductive and Dentistry Sciences, University of Naples Federico II, Naples, Italy
| | - Micaela Morelli
- Department of Biomedical Sciences, Section of Neuropsychopharmacology, University of Cagliari, Cagliari, Italy
| | - Antonio Feliciello
- Department of Molecular Medicine and Medical Biotechnologies, University of Naples Federico II, Naples, Italy
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Albert A, Paul E, Rajakumar S, Saso L. Oxidative stress and endoplasmic stress in calcium oxalate stone disease: the chicken or the egg? Free Radic Res 2020; 54:244-253. [PMID: 32292073 DOI: 10.1080/10715762.2020.1751835] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Crystal modulators play a significant role in the formation of calcium oxalate stone disease. When renal cells are subjected to oxalate stress, the loss in cell integrity leads to exposure of multiple proteins that assist and/or inhibit crystal attachment and retention. Contact between oxalate and calcium oxalate with urothelium proves fatal to cells as a result of reactive oxygen species generation and onset of oxidative stress. Hence, as a therapeutic strategy it was hypothesised that supplementation of antioxidants would suffice. On the contrary to popular belief, the detection of oxalate induced endoplasmic reticulum mediated apoptosis proved the ineffectiveness of antioxidant therapy alone. Thus, the inadequacy of antioxidant supplementation in oxalate stress invoked the presence of an alternative pathway for the induction of kidney fibrosis in hyperoxaluric rats. In addition to settling this query, the link between oxidative stress and ER stress is not well understood, especially in urolithiasis.
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Affiliation(s)
| | - Eldho Paul
- Department of Biochemistry, Centre for Excellence in Genomics Science, School of Biological Sciences, Madurai Kamaraj University, Madurai, India
| | - Selvaraj Rajakumar
- Department of Pediatrics, Group of Molecular Cell Biology of Lipids, 315, Heritage Medical Research Center, University of Alberta, Edmonton, Canada
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University of Rome, Rome, Italy
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Bernal-Conde LD, Ramos-Acevedo R, Reyes-Hernández MA, Balbuena-Olvera AJ, Morales-Moreno ID, Argüero-Sánchez R, Schüle B, Guerra-Crespo M. Alpha-Synuclein Physiology and Pathology: A Perspective on Cellular Structures and Organelles. Front Neurosci 2020; 13:1399. [PMID: 32038126 PMCID: PMC6989544 DOI: 10.3389/fnins.2019.01399] [Citation(s) in RCA: 99] [Impact Index Per Article: 24.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Accepted: 12/12/2019] [Indexed: 12/21/2022] Open
Abstract
Alpha-synuclein (α-syn) is localized in cellular organelles of most neurons, but many of its physiological functions are only partially understood. α-syn accumulation is associated with Parkinson's disease, dementia with Lewy bodies, and multiple system atrophy as well as other synucleinopathies; however, the exact pathomechanisms that underlie these neurodegenerative diseases remain elusive. In this review, we describe what is known about α-syn function and pathophysiological changes in different cellular structures and organelles, including what is known about its behavior as a prion-like protein. We summarize current knowledge of α-syn and its pathological forms, covering its effect on each organelle, including aggregation and toxicity in different model systems, with special interest on the mitochondria due to its relevance during the apoptotic process of dopaminergic neurons. Moreover, we explore the effect that α-syn exerts by interacting with chromatin remodeling proteins that add or remove histone marks, up-regulate its own expression, and resume the impairment that α-syn induces in vesicular traffic by interacting with the endoplasmic reticulum. We then recapitulate the events that lead to Golgi apparatus fragmentation, caused by the presence of α-syn. Finally, we report the recent findings about the accumulation of α-syn, indirectly produced by the endolysosomal system. In conclusion, many important steps into the understanding of α-syn have been made using in vivo and in vitro models; however, the time is right to start integrating observational studies with mechanistic models of α-syn interactions, in order to look at a more complete picture of the pathophysiological processes underlying α-synucleinopathies.
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Affiliation(s)
- Luis D. Bernal-Conde
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
- Laboratorio de Medicina Regenerativa, Departamento de Cirugía, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Rodrigo Ramos-Acevedo
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
- Laboratorio de Medicina Regenerativa, Departamento de Cirugía, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Mario A. Reyes-Hernández
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
- Laboratorio de Medicina Regenerativa, Departamento de Cirugía, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Andrea J. Balbuena-Olvera
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
- Laboratorio de Medicina Regenerativa, Departamento de Cirugía, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Ishbelt D. Morales-Moreno
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
- Laboratorio de Medicina Regenerativa, Departamento de Cirugía, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Rubén Argüero-Sánchez
- Laboratorio de Medicina Regenerativa, Departamento de Cirugía, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
| | - Birgitt Schüle
- Department of Pathology, Stanford School of Medicine, Stanford University, Stanford, CA, United States
| | - Magdalena Guerra-Crespo
- División de Neurociencias, Instituto de Fisiología Celular, Universidad Nacional Autónoma de México, Mexico City, Mexico
- Laboratorio de Medicina Regenerativa, Departamento de Cirugía, Facultad de Medicina, Universidad Nacional Autónoma de México, Mexico City, Mexico
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Wang Y, Zhao H, Yang X, Mu M, Zong H, Luo L, Xing M. Excessive Cu 2+ deteriorates arsenite-induced apoptosis in chicken brain and resulting in immunosuppression, not in homeostasis. CHEMOSPHERE 2020; 239:124758. [PMID: 31514009 DOI: 10.1016/j.chemosphere.2019.124758] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/12/2019] [Revised: 08/31/2019] [Accepted: 09/03/2019] [Indexed: 06/10/2023]
Abstract
Trace elements such as copper (Cu) and arsenic (As) are two of the major contaminants and well-known inducers of cognitive deficits and neurobehavioral changes. This study evaluated the immunotoxicity of their individual or combined exposure on different brain regions in chickens. Consequently, nuclear damage and organelle lesions, especially mitochondria were observed under Cu or/and As stress, in which positive regulation of key proteins, dynamin-related protein 1 (Drp1), Cytochrome C (Cyt c), BCL2-associated X (Bax), Caspases 3 and P53 was detected by qRCR and Western blot analyses, indicating disturbed mitochondrial dynamic equilibrium and apoptosis execution. In addition, qRCR analysis confirmed the involvement of cytokines secreted by different populations of helper T cells, indicative of cellular immunity. Gene expression studies showed marked up regulation of Th1/Th17 cytokines along with heat shock protein (HSP) 70, a synergism was noted in co-administration group. Interesting, lower apoptosis index was noted in brainstem compared to cerebrum and cerebellum. An intense immunosuppression and heat shock response against Cu or/and As was also seen in cerebrum and cerebellum but not in brainstem. In conclusion, our study suggests a synergistic neurotoxicity in chickens under Cu and As exposure. These findings provide a basic understanding of mitochondrial abnormality-initiated neuropathology in response to environmental pollutant mixtures, suggesting an adaptive response to the frangibility of the central nerve system.
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Affiliation(s)
- Yu Wang
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China.
| | - Hongjing Zhao
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China.
| | - Xin Yang
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China
| | - Mengyao Mu
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China
| | - Hui Zong
- Guangdong Vocational College of Science and Trade, Guangzhou, PR China
| | - Liyang Luo
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China.
| | - Mingwei Xing
- College of Wildlife and Protected Area, Northeast Forestry University, Harbin, 150040, Heilongjiang, PR China.
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24
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Britzolaki A, Saurine J, Klocke B, Pitychoutis PM. A Role for SERCA Pumps in the Neurobiology of Neuropsychiatric and Neurodegenerative Disorders. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1131:131-161. [PMID: 31646509 DOI: 10.1007/978-3-030-12457-1_6] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Calcium (Ca2+) is a fundamental regulator of cell fate and intracellular Ca2+ homeostasis is crucial for proper function of the nerve cells. Given the complexity of neurons, a constellation of mechanisms finely tunes the intracellular Ca2+ signaling. We are focusing on the sarco/endoplasmic reticulum (SR/ER) calcium (Ca2+)-ATPase (SERCA) pump, an integral ER protein. SERCA's well established role is to preserve low cytosolic Ca2+ levels ([Ca2+]cyt), by pumping free Ca2+ ions into the ER lumen, utilizing ATP hydrolysis. The SERCA pumps are encoded by three distinct genes, SERCA1-3, resulting in 12 known protein isoforms, with tissue-dependent expression patterns. Despite the well-established structure and function of the SERCA pumps, their role in the central nervous system is not clear yet. Interestingly, SERCA-mediated Ca2+ dyshomeostasis has been associated with neuropathological conditions, such as bipolar disorder, schizophrenia, Parkinson's disease and Alzheimer's disease. We summarize here current evidence suggesting a role for SERCA in the neurobiology of neuropsychiatric and neurodegenerative disorders, thus highlighting the importance of this pump in brain physiology and pathophysiology.
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Affiliation(s)
- Aikaterini Britzolaki
- Department of Biology & Center for Tissue Regeneration and Engineering at Dayton (TREND), University of Dayton, Dayton, OH, USA
| | - Joseph Saurine
- Department of Biology & Center for Tissue Regeneration and Engineering at Dayton (TREND), University of Dayton, Dayton, OH, USA
| | - Benjamin Klocke
- Department of Biology & Center for Tissue Regeneration and Engineering at Dayton (TREND), University of Dayton, Dayton, OH, USA
| | - Pothitos M Pitychoutis
- Department of Biology & Center for Tissue Regeneration and Engineering at Dayton (TREND), University of Dayton, Dayton, OH, USA.
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25
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Balestrino R, Schapira A. Parkinson disease. Eur J Neurol 2019; 27:27-42. [DOI: 10.1111/ene.14108] [Citation(s) in RCA: 382] [Impact Index Per Article: 76.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 10/14/2019] [Indexed: 12/13/2022]
Affiliation(s)
- R. Balestrino
- Department of Neuroscience University of Turin Turin Italy
| | - A.H.V. Schapira
- Department of Clinical and Movement Neurosciences UCL Queen Square Institute of Neurology London UK
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26
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Yao LH, Wang J, Liu C, Wei S, Li G, Wang S, Meng W, Liu ZB, Huang LP. Cordycepin protects against β-amyloid and ibotenic acid-induced hippocampal CA1 pyramidal neuronal hyperactivity. THE KOREAN JOURNAL OF PHYSIOLOGY & PHARMACOLOGY : OFFICIAL JOURNAL OF THE KOREAN PHYSIOLOGICAL SOCIETY AND THE KOREAN SOCIETY OF PHARMACOLOGY 2019; 23:483-491. [PMID: 31680770 PMCID: PMC6819905 DOI: 10.4196/kjpp.2019.23.6.483] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 07/29/2019] [Accepted: 08/12/2019] [Indexed: 12/13/2022]
Abstract
Cordycepin exerts neuroprotective effects against excitotoxic neuronal death. However, its direct electrophysiological evidence in Alzheimer's disease (AD) remains unclear. This study aimed to explore the electrophysiological mechanisms underlying the protective effect of cordycepin against the excitotoxic neuronal insult in AD using whole-cell patch clamp techniques. β-Amyloid (Aβ) and ibotenic acid (IBO)-induced injury model in cultured hippocampal neurons was used for the purpose. The results revealed that cordycepin significantly delayed Aβ + IBO-induced excessive neuronal membrane depolarization. It increased the onset time/latency, extended the duration, and reduced the slope in both slow and rapid depolarization. Additionally, cordycepin reversed the neuronal hyperactivity in Aβ + IBO-induced evoked action potential (AP) firing, including increase in repetitive firing frequency, shortening of evoked AP latency, decrease in the amplitude of fast afterhyperpolarization, and increase in membrane depolarization. Further, the suppressive effect of cordycepin against Aβ + IBO-induced excessive neuronal membrane depolarization and neuronal hyperactivity was blocked by DPCPX (8-cyclopentyl-1,3-dipropylxanthine, an adenosine A1 receptor-specific blocker). Collectively, these results revealed the suppressive effect of cordycepin against the Aβ + IBO-induced excitotoxic neuronal insult by attenuating excessive neuronal activity and membrane depolarization, and the mechanism through the activation of A1R is strongly recommended, thus highlighting the therapeutic potential of cordycepin in AD.
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Affiliation(s)
- Li-Hua Yao
- School of Life Science, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi 330013, PR China.,School of Sport Science, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi 330013, PR China
| | - Jinxiu Wang
- School of Life Science, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi 330013, PR China
| | - Chao Liu
- School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, PR China
| | - Shanshan Wei
- School of Life Science, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi 330013, PR China
| | - Guoyin Li
- School of Sport Science, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi 330013, PR China
| | - Songhua Wang
- School of Life Science, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi 330013, PR China
| | - Wei Meng
- School of Life Science, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi 330013, PR China
| | - Zhi-Bin Liu
- School of Sport Science, Jiangxi Science & Technology Normal University, Nanchang, Jiangxi 330013, PR China
| | - Li-Ping Huang
- School of Pharmacy, Jiangxi University of Traditional Chinese Medicine, Nanchang, Jiangxi 330004, PR China
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27
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Mochizuki H. Arsenic Neurotoxicity in Humans. Int J Mol Sci 2019; 20:ijms20143418. [PMID: 31336801 PMCID: PMC6678206 DOI: 10.3390/ijms20143418] [Citation(s) in RCA: 94] [Impact Index Per Article: 18.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 07/02/2019] [Accepted: 07/09/2019] [Indexed: 02/06/2023] Open
Abstract
Arsenic (As) contamination affects hundreds of millions of people globally. Although the number of patients with chronic As exposure is large, the symptoms and long-term clinical courses of the patients remain unclear. In addition to reviewing the literature on As contamination and toxicity, we provide useful clinical information on medical care for As-exposed patients. Further, As metabolite pathways, toxicity, speculated toxicity mechanisms, and clinical neurological symptoms are documented. Several mechanisms that seem to play key roles in As-induced neurotoxicity, including oxidative stress, apoptosis, thiamine deficiency, and decreased acetyl cholinesterase activity, are described. The observed neurotoxicity predominantly affects peripheral nerves in sensory fibers, with a lesser effect on motor fibers. A sural nerve biopsy showed the axonal degeneration of peripheral nerves mainly in small myelinated and unmyelinated fibers. Exposure to high concentrations of As causes severe central nervous system impairment in infants, but no or minimal impairment in adults. The exposure dose-response relationship was observed in various organs including neurological systems. The symptoms caused by heavy metal pollution (including As) are often nonspecific. Therefore, in order to recognize patients experiencing health problems caused by As, a multifaceted approach is needed, including not only clinicians, but also specialists from multiple fields.
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Affiliation(s)
- Hitoshi Mochizuki
- Division of Neurology, Respirology, Endocrinology and Metabolism; Department of Internal Medicine; Faculty of Medicine; University of Miyazaki, Miyazaki 889-1692, Japan.
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28
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Luo H, Han L, Xu J. Apelin/APJ system: A novel promising target for neurodegenerative diseases. J Cell Physiol 2019; 235:638-657. [DOI: 10.1002/jcp.29001] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2019] [Accepted: 06/06/2019] [Indexed: 12/17/2022]
Affiliation(s)
- Huaiqing Luo
- Department of Physiology Changsha Medical University Changsha Hunan China
- Department of Physiology, School of Basic Medical Science Central South University Changsha Hunan China
| | - Li Han
- Department of Physiology Changsha Medical University Changsha Hunan China
| | - Jin Xu
- School of Pharmaceutical Sciences Changsha Medical University Changsha Hunan China
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29
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Castelli V, Benedetti E, Antonosante A, Catanesi M, Pitari G, Ippoliti R, Cimini A, d'Angelo M. Neuronal Cells Rearrangement During Aging and Neurodegenerative Disease: Metabolism, Oxidative Stress and Organelles Dynamic. Front Mol Neurosci 2019; 12:132. [PMID: 31191244 PMCID: PMC6546816 DOI: 10.3389/fnmol.2019.00132] [Citation(s) in RCA: 133] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2019] [Accepted: 05/07/2019] [Indexed: 12/22/2022] Open
Abstract
Brain cells normally respond adaptively to oxidative stress or bioenergetic challenges, resulting from ongoing activity in neuronal circuits. During aging and in neurodegenerative disorders, these mechanisms are compromised. In fact, neurons show unique age-related changes in functions and metabolism, resulting in greater susceptibility to insults and disease. Aging affects the nervous system as well as other organs. More precisely, as the nervous system ages, neuron metabolism may change, inducing glucose hypometabolism, impaired transport of critical substrates underlying metabolism, alterations in calcium signaling, and mitochondrial dysfunction. Moreover, in neuronal aging, an accumulation of impaired and aggregated proteins in the cytoplasm and in mitochondria is observed, as the result of oxidative stress: reduced antioxidant defenses and/or increase of reactive oxygen species (ROS). These changes lead to greater vulnerability of neurons in various regions of the brain and increased susceptibility to several diseases. Specifically, the first part of the review article will focus on the major neuronal cells’ rearrangements during aging in response to changes in metabolism and oxidative stress, while the second part will cover the neurodegenerative disease areas in detail.
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Affiliation(s)
- Vanessa Castelli
- Department of Life, Health and Environmental Sciences, University of L'Aquila, Abruzzo, Italy
| | - Elisabetta Benedetti
- Department of Life, Health and Environmental Sciences, University of L'Aquila, Abruzzo, Italy
| | - Andrea Antonosante
- Department of Life, Health and Environmental Sciences, University of L'Aquila, Abruzzo, Italy
| | - Mariano Catanesi
- Department of Life, Health and Environmental Sciences, University of L'Aquila, Abruzzo, Italy
| | - Giuseppina Pitari
- Department of Life, Health and Environmental Sciences, University of L'Aquila, Abruzzo, Italy
| | - Rodolfo Ippoliti
- Department of Life, Health and Environmental Sciences, University of L'Aquila, Abruzzo, Italy
| | - Annamaria Cimini
- Department of Life, Health and Environmental Sciences, University of L'Aquila, Abruzzo, Italy.,Sbarro Institute for Cancer Research and Molecular Medicine, Department of Biology, Temple University, Philadelphia, PA, United States
| | - Michele d'Angelo
- Department of Life, Health and Environmental Sciences, University of L'Aquila, Abruzzo, Italy
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30
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Semenyuk P, Barinova K, Muronetz V. Glycation of α-synuclein amplifies the binding with glyceraldehyde-3-phosphate dehydrogenase. Int J Biol Macromol 2019; 127:278-285. [DOI: 10.1016/j.ijbiomac.2019.01.064] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2018] [Revised: 01/14/2019] [Accepted: 01/14/2019] [Indexed: 02/06/2023]
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31
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Chandravanshi LP, Gupta R, Shukla RK. Developmental Neurotoxicity of Arsenic: Involvement of Oxidative Stress and Mitochondrial Functions. Biol Trace Elem Res 2018; 186:185-198. [PMID: 29502250 DOI: 10.1007/s12011-018-1286-1] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Accepted: 02/23/2018] [Indexed: 12/31/2022]
Abstract
Over the last decade, there has been an increased concern about the health risks from exposure to arsenic at low doses, because of their neurotoxic effects on the developing brain. The exact mechanism underlying arsenic-induced neurotoxicity during sensitive periods of brain development remains unclear, although enhanced oxidative stresses, leading to mitochondrial dysfunctions might be involved. Here, we highlight the generation of reactive oxygen species (ROS) and oxidative stress which leads to mitochondrial dysfunctions and apoptosis in arsenic-induced developmental neurotoxicity. Here, the administration of sodium arsenite at doses of 2 or 4 mg/kg body weight in female rats from gestational to lactational (GD6-PD21) resulted to increased ROS, led to oxidative stress, and increased the apoptosis in the frontal cortex, hippocampus, and corpus striatum of developing rats on PD22, compared to controls. Enhanced levels of ROS were associated with decreased mitochondrial membrane potential and the activity of mitochondrial complexes, and hampered antioxidant levels. Further, neuronal apoptosis, as measured by changes in the expression of pro-apoptotic (Bax, Caspase-3), anti-apoptotic (Bcl2), and stress marker proteins (p-p38, pJNK) in arsenic-exposed rats, was discussed. The severities of changes were found to more persist in the corpus striatum than in other brain regions of arsenic-exposed rats even after the withdrawal of exposure on PD45 as compared to controls. Therefore, our results indicate that perinatal arsenic exposure leads to abrupt changes in ROS, oxidative stress, and mitochondrial functions and that apoptotic factor in different brain regions of rats might contribute to this arsenic-induced developmental neurotoxicity.
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Affiliation(s)
- Lalit P Chandravanshi
- Department of Zoology, Institute of Science, Banaras Hindu University, Varanasi, 221005, India.
- Developmental Toxicology Division, CSIR-Indian Institute of Toxicology Research, Post Box No. 80, MG Marg, Lucknow, 226 001, India.
| | - Richa Gupta
- Developmental Toxicology Division, CSIR-Indian Institute of Toxicology Research, Post Box No. 80, MG Marg, Lucknow, 226 001, India
| | - Rajendra K Shukla
- Department of Biochemistry, All India Institute of Medical Sciences, Bhopal, India
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32
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Melo TQ, Copray SJCVM, Ferrari MFR. Alpha-Synuclein Toxicity on Protein Quality Control, Mitochondria and Endoplasmic Reticulum. Neurochem Res 2018; 43:2212-2223. [DOI: 10.1007/s11064-018-2673-x] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2018] [Revised: 10/14/2018] [Accepted: 10/25/2018] [Indexed: 12/16/2022]
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33
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Kong DQ, Li L, Liu Y, Zheng GY. Association between endoplasmic reticulum stress and risk factors of diabetic retinopathy. Int J Ophthalmol 2018; 11:1704-1710. [PMID: 30364130 DOI: 10.18240/ijo.2018.10.20] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Accepted: 07/12/2018] [Indexed: 12/13/2022] Open
Abstract
Diabetic retinopathy (DR) is one of the most common and challenging ocular complications of diabetes mellitus. As a chronic, progressive ocular disease that poses a serious threat to vision, DR has gradually become a leading cause of blindness worldwide. Emerging evidence points to an important role of endoplasmic reticulum (ER) stress in not only maintaining the steady-state equilibrium in the body, but also in intracellular synthesis, protein folding, and other essential functions. Recent studies have demonstrated clear associations between ER stress-related physiological functions and the pathogenesis of DR. When cells are stimulated by external stimuli, UPR pathway is activated firstly to protect it. However, long-term harmful factors can induce ER stress. which interferes with the physiological metabolism of retinal cells and participates in the occurrence of DR via the ATF6 pathway, PERK pathway and IRE1 pathway. At present, ER stress blocker is expected to become a new anti-DR therapy. Thus, understanding the relationship between ER stress and DR will help to develop new effective preventative treatments. In this review, we summarize the risk factors of DR pathogenesis induced by ER stress toward revealing potentially new therapeutic targets.
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Affiliation(s)
- De-Qian Kong
- Department of Ophthalmology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan Province, China
| | - Li Li
- Department of Ophthalmology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan Province, China
| | - Yue Liu
- Department of Ophthalmology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan Province, China
| | - Guang-Ying Zheng
- Department of Ophthalmology, the First Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan Province, China
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34
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Sun Y, Selvaraj S, Pandey S, Humphrey KM, Foster JD, Wu M, Watt JA, Singh BB, Ohm JE. MPP + decreases store-operated calcium entry and TRPC1 expression in Mesenchymal Stem Cell derived dopaminergic neurons. Sci Rep 2018; 8:11715. [PMID: 30082759 PMCID: PMC6079049 DOI: 10.1038/s41598-018-29528-x] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2018] [Accepted: 07/13/2018] [Indexed: 12/13/2022] Open
Abstract
Parkinson's disease is a neurodegenerative disorder involving the progressive loss of dopaminergic neurons (DNs), with currently available therapeutics, such as L-Dopa, only able to relieve some symptoms. Stem cell replacement is an attractive therapeutic option for PD patients, and DNs derived by differentiating patient specific stem cells under defined in-vitro conditions may present a viable opportunity to replace dying neurons. We adopted a previously published approach to differentiate Mesenchymal Stem Cells (MSCs) into DN using a 12-day protocol involving FGF-2, bFGF, SHH ligand and BDNF. While MSC-derived DNs have been characterized for neuronal markers and electrophysiological properties, we investigated store-operated calcium entry (SOCE) mechanisms of these DNs under normal conditions, and upon exposure to environmental neurotoxin, 1-methyl, 4-phenyl pyridinium ion (MPP+). Overall, we show that MSC-derived DNs are functional with regard to SOCE mechanisms, and MPP+ exposure dysregulates calcium signaling, making them vulnerable to neurodegeneration. Since in-vitro differentiation of MSCs into DNs is an important vehicle for PD disease modeling and regenerative medicine, the results of this study may help with understanding of the pathological mechanisms underlying PD.
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Affiliation(s)
- Yuyang Sun
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, 58203, USA
| | - Senthil Selvaraj
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, 58203, USA
| | - Sumali Pandey
- Biosciences Department, Minnesota State University, Moorhead, Moorhead, MN, USA
| | - Kristen M Humphrey
- Department of Cancer Genetics and Genomics, Roswell Park Cancer Institute, Buffalo, NY, 14263, USA
| | - James D Foster
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, 58203, USA
| | - Min Wu
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, 58203, USA
| | - John A Watt
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, North Dakota, 58203, USA
| | - Brij B Singh
- School of Dentistry, UT Health Science Center San Antonio, TX, 78229, San Antonio, USA.
| | - Joyce E Ohm
- Department of Cancer Genetics and Genomics, Roswell Park Cancer Institute, Buffalo, NY, 14263, USA.
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35
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Morris G, Puri BK, Walder K, Berk M, Stubbs B, Maes M, Carvalho AF. The Endoplasmic Reticulum Stress Response in Neuroprogressive Diseases: Emerging Pathophysiological Role and Translational Implications. Mol Neurobiol 2018; 55:8765-8787. [PMID: 29594942 PMCID: PMC6208857 DOI: 10.1007/s12035-018-1028-6] [Citation(s) in RCA: 50] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2018] [Accepted: 03/20/2018] [Indexed: 02/07/2023]
Abstract
The endoplasmic reticulum (ER) is the main cellular organelle involved in protein synthesis, assembly and secretion. Accumulating evidence shows that across several neurodegenerative and neuroprogressive diseases, ER stress ensues, which is accompanied by over-activation of the unfolded protein response (UPR). Although the UPR could initially serve adaptive purposes in conditions associated with higher cellular demands and after exposure to a range of pathophysiological insults, over time the UPR may become detrimental, thus contributing to neuroprogression. Herein, we propose that immune-inflammatory, neuro-oxidative, neuro-nitrosative, as well as mitochondrial pathways may reciprocally interact with aberrations in UPR pathways. Furthermore, ER stress may contribute to a deregulation in calcium homoeostasis. The common denominator of these pathways is a decrease in neuronal resilience, synaptic dysfunction and even cell death. This review also discusses how mechanisms related to ER stress could be explored as a source for novel therapeutic targets for neurodegenerative and neuroprogressive diseases. The design of randomised controlled trials testing compounds that target aberrant UPR-related pathways within the emerging framework of precision psychiatry is warranted.
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Affiliation(s)
- Gerwyn Morris
- Tir Na Nog, Bryn Road seaside 87, Llanelli, Wales, SA15 2LW, UK
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Geelong, Australia
| | - Basant K Puri
- Department of Medicine, Imperial College London, Hammersmith Hospital, London, England, W12 0HS, UK.
| | - Ken Walder
- The Centre for Molecular and Medical Research, School of Medicine, Deakin University, P.O. Box 291, Geelong, 3220, Australia
| | - Michael Berk
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Geelong, Australia
- Department of Psychiatry, University of Melbourne, Melbourne, Australia
- Orygen, the National Centre of Excellence in Youth Mental Health, Parkville, Australia
- Centre for Youth Mental Health, University of Melbourne, Melbourne, Australia
- Florey Institute for Neuroscience and Mental Health, Melbourne, Australia
| | - Brendon Stubbs
- Physiotherapy Department, South London and Maudsley NHS Foundation Trust, London, UK
- Health Service and Population Research Department, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
- Faculty of Health, Social Care and Education, Anglia Ruskin University, Chelmsford, UK
| | - Michael Maes
- IMPACT Strategic Research Centre, School of Medicine, Deakin University, Geelong, Australia
- Department of Psychiatry, Chulalongkorn University, Bangkok, Thailand
| | - André F Carvalho
- Department of Psychiatry, Faculty of Medicine, University of Toronto, Toronto, ON, Canada
- Centre for Addiction & Mental Health (CAMH), Toronto, ON, Canada
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Abstract
Neural stem cells (NSCs) give rise to the entire nervous system. Animal models suggest that defects in NSC proliferation and differentiation contribute to several brain disorders (e.g., microcephaly, macrocephaly, autism, schizophrenia, and Huntington's disease). However, animal models of such diseases do not fully recapitulate all disease-related phenotypes because of substantial differences in brain development between rodents and humans. Therefore, additional human-based evidence is required to understand the mechanisms that are involved in the development of neurological diseases that result from human NSC (hNSC) dysfunction. Human-induced pluripotent stem cells provide a new model to investigate the contribution of hNSCs to various neurological pathologies. In this chapter, we review the role of hNSCs in both neurodevelopment- and neurodegeneration-related human brain pathologies, with an emphasis on recent evidence that has been obtained using embryonic stem cell- or induced pluripotent stem cell-derived hNSCs and progenitors.
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Affiliation(s)
- Ewa Liszewska
- International Institute of Molecular and Cell Biology, Warsaw, Poland.
| | - Jacek Jaworski
- International Institute of Molecular and Cell Biology, Warsaw, Poland.
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37
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Martin-Jiménez CA, García-Vega Á, Cabezas R, Aliev G, Echeverria V, González J, Barreto GE. Astrocytes and endoplasmic reticulum stress: A bridge between obesity and neurodegenerative diseases. Prog Neurobiol 2017; 158:45-68. [DOI: 10.1016/j.pneurobio.2017.08.001] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 05/22/2017] [Accepted: 08/04/2017] [Indexed: 12/13/2022]
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38
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Shen Y, Guo X, Han C, Wan F, Ma K, Guo S, Wang L, Xia Y, Liu L, Lin Z, Huang J, Xiong N, Wang T. The implication of neuronimmunoendocrine (NIE) modulatory network in the pathophysiologic process of Parkinson's disease. Cell Mol Life Sci 2017; 74:3741-3768. [PMID: 28623510 PMCID: PMC11107509 DOI: 10.1007/s00018-017-2549-2] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2017] [Revised: 05/23/2017] [Accepted: 05/29/2017] [Indexed: 01/11/2023]
Abstract
Parkinson's disease (PD) is a progressive neurodegenerative disorder implicitly marked by the substantia nigra dopaminergic neuron degeneration and explicitly characterized by the motor and non-motor symptom complexes. Apart from the nigrostriatal dopamine depletion, the immune and endocrine study findings are also frequently reported, which, in fact, have helped to broaden the symptom spectrum and better explain the pathogenesis and progression of PD. Nevertheless, based on the neural, immune, and endocrine findings presented above, it is still difficult to fully recapitulate the pathophysiologic process of PD. Therefore, here, in this review, we have proposed the neuroimmunoendocrine (NIE) modulatory network in PD, aiming to achieve a more comprehensive interpretation of the pathogenesis and progression of this disease. As a matter of fact, in addition to the classical motor symptoms, NIE modulatory network can also underlie the non-motor symptoms such as gastrointestinal, neuropsychiatric, circadian rhythm, and sleep disorders in PD. Moreover, the dopamine (DA)-melatonin imbalance in the retino-diencephalic/mesencephalic-pineal axis also provides an alternative explanation for the motor complications in the process of DA replacement therapy. In conclusion, the NIE network can be expected to deepen our understanding and facilitate the multi-dimensional management and therapy of PD in future clinical practice.
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Affiliation(s)
- Yan Shen
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Xingfang Guo
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Chao Han
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Fang Wan
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Kai Ma
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Shiyi Guo
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Luxi Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Yun Xia
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Ling Liu
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Zhicheng Lin
- Division of Alcohol and Drug Abuse, Department of Psychiatry, and Mailman Neuroscience Research Center, McLean Hospital, Harvard Medical School, Belmont, MA, 02478, USA
| | - Jinsha Huang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Nian Xiong
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China
| | - Tao Wang
- Department of Neurology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, 1277 Jiefang Avenue, Wuhan, 430022, Hubei, China.
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CDK5-mediated phosphorylation of XBP1s contributes to its nuclear translocation and activation in MPP +-induced Parkinson's disease model. Sci Rep 2017; 7:5622. [PMID: 28717189 PMCID: PMC5514026 DOI: 10.1038/s41598-017-06012-6] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2017] [Accepted: 06/06/2017] [Indexed: 11/11/2022] Open
Abstract
Parkinson’s disease (PD) is an irreversible and progressive neurodegenerative disorder characterized by the selective loss of dopaminergic neurons of the substantia nigra pars compacta. Growing evidence indicates that endoplasmic reticulum stress is a hallmark of PD; however, its exact contribution to the disease process remains poorly understood. Here, we used molecular biology methods and RNA-Seq analysis to explored an unexpected role of spliced X-Box binding protein 1 (XBP1s) in the nervous system. In this study, we determined that the IRE1α/XBP1 pathway is activated in MPP+-treated neurons. Furthermore, XBP1s was identified as a substrate of CDK5 and that the phosphorylation of XBP1s at the Ser61 residue enhances its nuclear migration, whereas mutation of the residue to alanine substantially reduces its nuclear translocation and activity. Importantly, phosphorylated XBP1s acts as a nuclear transcription factor for multiple target genes, including metabolic-related genes, FosB, and non-coding RNAs. Our findings confirm that the IRE1α/XBP1 pathway is activated in PD, and reveal a novel role of XBP1s in the pathogenesis of PD. This pathway may be a new therapeutic strategy for PD.
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40
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Abstract
Across all kingdoms in the tree of life, calcium (Ca2+) is an essential element used by cells to respond and adapt to constantly changing environments. In multicellular organisms, it plays fundamental roles during fertilization, development and adulthood. The inability of cells to regulate Ca2+ can lead to pathological conditions that ultimately culminate in cell death. One such pathological condition is manifested in Parkinson's disease, the second most common neurological disorder in humans, which is characterized by the aggregation of the protein, α-synuclein. This Review discusses current evidence that implicates Ca2+ in the pathogenesis of Parkinson's disease. Understanding the mechanisms by which Ca2+ signaling contributes to the progression of this disease will be crucial for the development of effective therapies to combat this devastating neurological condition.
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Affiliation(s)
- Sofia V Zaichick
- Ken and Ruth Davee Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Kaitlyn M McGrath
- Ken and Ruth Davee Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
| | - Gabriela Caraveo
- Ken and Ruth Davee Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL 60611, USA
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41
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Filadi R, Theurey P, Pizzo P. The endoplasmic reticulum-mitochondria coupling in health and disease: Molecules, functions and significance. Cell Calcium 2017; 62:1-15. [PMID: 28108029 DOI: 10.1016/j.ceca.2017.01.003] [Citation(s) in RCA: 154] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2016] [Revised: 01/09/2017] [Accepted: 01/09/2017] [Indexed: 12/14/2022]
Abstract
The close apposition between endoplasmic reticulum (ER) and mitochondria represents a key platform, capable to regulate different fundamental cellular pathways. Among these, Ca2+ signaling and lipid homeostasis have been demonstrated over the last years to be deeply modulated by ER-mitochondria cross-talk. Given its importance in cell life/death decisions, increasing evidence suggests that alterations of the ER-mitochondria axis could be responsible for the onset and progression of several diseases, including neurodegeneration, cancer and obesity. However, the molecular identity of the proteins controlling this inter-organelle apposition is still debated. In this review, we summarize the main cellular pathways controlled by ER-mitochondria appositions, focusing on the principal molecules reported to be involved in this interplay and on those diseases for which alterations in organelles communication have been reported.
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Affiliation(s)
- Riccardo Filadi
- Department of Biomedical Sciences, University of Padova, Italy
| | - Pierre Theurey
- Department of Biomedical Sciences, University of Padova, Italy
| | - Paola Pizzo
- Department of Biomedical Sciences, University of Padova, Italy; Neuroscience Institute, National Research Council (CNR), Padova, Italy.
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42
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Sukumaran P, Sun Y, Schaar A, Selvaraj S, Singh BB. TRPC Channels and Parkinson's Disease. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2017; 976:85-94. [PMID: 28508315 DOI: 10.1007/978-94-024-1088-4_8] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Parkinson's disease (PD) is a common neurodegenerative disorder, which involves degeneration of dopaminergic neurons that are present in the substantia nigra pars compacta (SNpc) region. Many factors have been identified that could lead to Parkinson's disease; however, almost all of them are directly or indirectly dependent on Ca2+ signaling. Importantly, though disturbances in Ca2+ homeostasis have been implicated in Parkinson's disease and other neuronal diseases, the identity of the calcium channel remains elusive. Members of the transient receptor potential canonical (TRPC) channel family have been identified as a new class of Ca2+ channels, and it could be anticipated that these channels could play important roles in neurodegenerative diseases, especially in PD. Thus, in this chapter we have entirely focused on TRPC channels and elucidated its role in PD.
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Affiliation(s)
- Pramod Sukumaran
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND, 58201, USA
| | - Yuyang Sun
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND, 58201, USA
| | - Anne Schaar
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND, 58201, USA
| | - Senthil Selvaraj
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND, 58201, USA
| | - Brij B Singh
- Department of Biomedical Sciences, School of Medicine and Health Sciences, University of North Dakota, Grand Forks, ND, 58201, USA.
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de Oliveira MR, Peres A, Ferreira GC. Pinocembrin Attenuates Mitochondrial Dysfunction in Human Neuroblastoma SH-SY5Y Cells Exposed to Methylglyoxal: Role for the Erk1/2-Nrf2 Signaling Pathway. Neurochem Res 2016; 42:1057-1072. [PMID: 28000163 DOI: 10.1007/s11064-016-2140-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2016] [Revised: 10/31/2016] [Accepted: 12/08/2016] [Indexed: 01/03/2023]
Abstract
Pinocembrin (PB; 5,7-dihydroxyflavanone) is found in propolis and exhibits antioxidant activity in several experimental models. The antioxidant capacity of PB is associated with the activation of the nuclear factor erythroid 2-related factor 2/antioxidant response element (Nrf2/ARE) signaling pathway. The Nrf2/ARE axis mediates the expression of antioxidant and detoxifying enzymes, such as glutathione peroxidase (GPx), glutathione reductase (GR), heme oxygenase-1 (HO-1), and the catalytic (GCLC) and regulatory (GCLM) subunits of the rate-limiting enzyme in the synthesis of glutathione (GSH), γ-glutamate-cysteine ligase (γ-GCL). Nonetheless, it is not clear how PB exerts mitochondrial protection in mammalian cells. Human neuroblastoma SH-SY5Y cells were pretreated (4 h) with PB (0-25 µM) and then exposed to methylglyoxal (MG; 500 µM) for further 24 h. Mitochondria were isolated by differential centrifugation. PB (25 µM) provided mitochondrial protection (decreased lipid peroxidation, protein carbonylation, and protein nitration in mitochondrial membranes; decreased mitochondrial free radical production; enhanced the content of GSH in mitochondria; rescued mitochondrial membrane potential-MMP) and blocked MG-triggered cell death by a mechanism dependent on the activation of the extracellular-related kinase (Erk1/2) and consequent upregulation of Nrf2. PB increased the levels of GPx, GR, HO-1, and mitochondrial GSH. The PB-induced effects were suppressed by silencing of Nrf2 with siRNA. Therefore, PB activated the Erk1/2-Nrf2 signaling pathway resulting in mitochondrial protection in SH-SY5Y cells exposed to MG. Our work shows that PB is a strong candidate to figure among mitochondria-focusing agents with pharmacological potential.
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Affiliation(s)
- Marcos Roberto de Oliveira
- Department of Chemistry/ICET, Federal University of Mato Grosso (UFMT, Av. Fernando Corrêa da Costa, 2367, Cuiaba, MT, CEP 78060-900, Brazil.
| | - Alessandra Peres
- Departamento de Ciências Básicas da Saúde, Universidade Federal de Ciências da Saúde de Porto Alegre (UFCSPA), Porto Alegre, RS, Brazil.,Centro de Pesquisa da Pós-Graduação, Centro Universitário Metodista IPA, Porto Alegre, Brazil
| | - Gustavo Costa Ferreira
- Instituto de Bioquímica Médica Leopoldo de Meis, Universidade Federal do Rio de Janeiro, Rio de Janeiro, RJ, Brazil
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44
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Jha BK, Joshi H, Dave DD. Portraying the Effect of Calcium-Binding Proteins on Cytosolic Calcium Concentration Distribution Fractionally in Nerve Cells. Interdiscip Sci 2016; 10:674-685. [DOI: 10.1007/s12539-016-0202-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2016] [Revised: 10/02/2016] [Accepted: 11/08/2016] [Indexed: 10/20/2022]
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45
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Determining the Roles of Inositol Trisphosphate Receptors in Neurodegeneration: Interdisciplinary Perspectives on a Complex Topic. Mol Neurobiol 2016; 54:6870-6884. [PMID: 27771899 DOI: 10.1007/s12035-016-0205-8] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/01/2016] [Accepted: 10/11/2016] [Indexed: 02/06/2023]
Abstract
It is well known that calcium (Ca2+) is involved in the triggering of neuronal death. Ca2+ cytosolic levels are regulated by Ca2+ release from internal stores located in organelles, such as the endoplasmic reticulum. Indeed, Ca2+ transit from distinct cell compartments follows complex dynamics that are mediated by specific receptors, notably inositol trisphosphate receptors (IP3Rs). Ca2+ release by IP3Rs plays essential roles in several neurological disorders; however, details of these processes are poorly understood. Moreover, recent studies have shown that subcellular location, molecular identity, and density of IP3Rs profoundly affect Ca2+ transit in neurons. Therefore, regulation of IP3R gene products in specific cellular vicinities seems to be crucial in a wide range of cellular processes from neuroprotection to neurodegeneration. In this regard, microRNAs seem to govern not only IP3Rs translation levels but also subcellular accumulation. Combining new data from molecular cell biology with mathematical modelling, we were able to summarize the state of the art on this topic. In addition to presenting how Ca2+ dynamics mediated by IP3R activation follow a stochastic regimen, we integrated a theoretical approach in an easy-to-apply, cell biology-coherent fashion. Following the presented premises and in contrast to previously tested hypotheses, Ca2+ released by IP3Rs may play different roles in specific neurological diseases, including Alzheimer's disease and Parkinson's disease.
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46
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Dahl R. A new target for Parkinson's disease: Small molecule SERCA activator CDN1163 ameliorates dyskinesia in 6-OHDA-lesioned rats. Bioorg Med Chem 2016; 25:53-57. [PMID: 27776889 DOI: 10.1016/j.bmc.2016.10.008] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/29/2016] [Revised: 10/04/2016] [Accepted: 10/07/2016] [Indexed: 12/24/2022]
Abstract
Endoplasmic reticulum (ER) stress is intimately linked to Parkinson's disease (PD) pathophysiology. Disrupted intracellular calcium homeostasis is a major cause of the ER stress seen in dopaminergic neurons, leading to the cell death and subsequent loss of movement and coordination in patients. Dysfunctional calcium handling proteins play a major role in the promulgation of ER stress in PD. Specifically, compromised sarco/endoplasmic reticulum Ca2+-ATPase (SERCA) has been identified as a major cause of ER stress and neuron loss in PD. We have identified a small molecule activator of SERCA that increases ER calcium content, rescues neurons from ER stress-induced cell death in vitro, and shows significant efficacy in the rat 6-hydroxydopamine (6-OHDA) model of PD. Together, these results support targeting SERCA activation as a viable strategy to develop disease-modifying therapeutics for PD.
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Affiliation(s)
- Russell Dahl
- Neurodon LLC, 5700 Tanager St., Schererville, IN 46375, USA.
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47
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de Oliveira MR, Peres A, Gama CS, Bosco SMD. Pinocembrin Provides Mitochondrial Protection by the Activation of the Erk1/2-Nrf2 Signaling Pathway in SH-SY5Y Neuroblastoma Cells Exposed to Paraquat. Mol Neurobiol 2016; 54:6018-6031. [PMID: 27696114 DOI: 10.1007/s12035-016-0135-5] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2016] [Accepted: 09/14/2016] [Indexed: 12/21/2022]
Abstract
Pinocembrin (PB; 5,7-dihydroxyflavanone; C15H12O4) is a flavonoid found in propolis and exerts antioxidant, anti-inflammatory, and antimicrobial effects. Furthermore, PB has been studied as a neuroprotective agent. However, it remains to be understood whether and how PB would induce mitochondrial protection in mammalian cells. Therefore, we investigated here the mechanism involved in the protective effects elicited by PB in paraquat (PQ; 100 μM)-treated SH-SY5Y neuroblastoma cells. PB (25 μM) pretreatment (for 4 h) downregulated the levels of Bcl-2-associated X protein (Bax), blocked the release of cytochrome c to the cytosol, and inhibited the PQ-induced activation of caspase-9 and caspase-3. Besides, PB prevented mitochondrial dysfunction by suppressing the PQ-elicited inhibition of complexes I and V. Moreover, PB abrogated the loss of mitochondrial membrane potential (MMP) and the decline in ATP levels in the cells exposed to PQ. PB exerted antioxidant effects on mitochondria by decreasing the levels of redox impairment markers in mitochondrial membranes. Importantly, PB enhanced the levels of mitochondrial reduced glutathione (GSH). Upregulation of enzymes involved in the synthesis of GSH was seen in the cells exposed to PB. PB afforded mitochondrial protection by activating the extracellular signal-regulated kinase/nuclear factor erythroid 2-related factor 2 (Erk1/2-Nrf2) axis, since inhibition of Erk1/2 or silencing of Nrf2 abrogated these effects. Therefore, PB exerted mitochondrial and cellular protection by an Erk1/2-Nrf2-dependent mechanism.
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Affiliation(s)
- Marcos Roberto de Oliveira
- Department of Chemistry/ICET, Federal University of Mato Grosso (UFMT), Av. Fernando Corrêa da Costa, 2367, Cuiaba, MT, 78060-900, Brazil.
| | - Alessandra Peres
- Health Basic Sciences Department, Federal University of Health Sciences of Porto Alegre, Porto Alegre, RS, Brazil.,Centro de Pesquisa da Pós-Graduação, Centro Universitário Metodista IPA, Porto Alegre, Brazil
| | - Clarissa Severino Gama
- Laboratório de Psiquiatria Molecular, Instituto Nacional de Ciência e Tecnologia-Medicina Translacional (INCT-TM), Hospital de Clínicas de Porto Alegre (HCPA), Porto Alegre, RS, Brazil.,Programa de Pós-Graduação em Medicina: Psiquiatria, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, RS, Brazil
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48
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de Oliveira MR, Peres A, Ferreira GC, Schuck PF, Gama CS, Bosco SMD. Carnosic Acid Protects Mitochondria of Human Neuroblastoma SH-SY5Y Cells Exposed to Paraquat Through Activation of the Nrf2/HO-1Axis. Mol Neurobiol 2016; 54:5961-5972. [DOI: 10.1007/s12035-016-0100-3] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2016] [Accepted: 09/05/2016] [Indexed: 12/21/2022]
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49
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Abstract
Mitochondrial diseases are a clinically heterogeneous group of disorders that ultimately result from dysfunction of the mitochondrial respiratory chain. There is some evidence to suggest that mitochondrial dysfunction plays a role in neuropsychiatric illness; however, the data are inconclusive. This article summarizes the available literature published in the area of neuropsychiatric manifestations in both children and adults with primary mitochondrial disease, with a focus on autism spectrum disorder in children and mood disorders and schizophrenia in adults.
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Affiliation(s)
- Samantha E Marin
- Department of Neurosciences, University of California, San Diego (UCSD), 9500 Gilman Drive #0935, La Jolla, CA 92093-0935, USA
| | - Russell P Saneto
- Department of Neurology, Seattle Children's Hospital, University of Washington, 4800 Sand Point Way Northeast, Seattle, WA 98105, USA; Department of Pediatrics, Seattle Children's Hospital, University of Washington, 4800 Sand Point Way Northeast, Seattle, WA 98105, USA.
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50
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Avagliano C, Russo R, De Caro C, Cristiano C, La Rana G, Piegari G, Paciello O, Citraro R, Russo E, De Sarro G, Meli R, Mattace Raso G, Calignano A. Palmitoylethanolamide protects mice against 6-OHDA-induced neurotoxicity and endoplasmic reticulum stress: In vivo and in vitro evidence. Pharmacol Res 2016; 113:276-289. [PMID: 27616549 DOI: 10.1016/j.phrs.2016.09.004] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/07/2016] [Revised: 09/05/2016] [Accepted: 09/06/2016] [Indexed: 01/09/2023]
Abstract
Several pathogenetic factors have been involved in the onset and progression of Parkinson's disease (PD), including inflammation, oxidative stress, unfolded protein accumulation, and apoptosis. Palmitoylethanolamide (PEA), an endogenous N-acylethanolamine, has been shown to be a neuroprotective and anti-inflammatory molecule, acting as a peroxisome proliferator activated receptor (PPAR)-α agonist. In this study we investigated the effects of PEA on behavioral alterations and the underlying pathogenic mechanisms in the 6-hydroxydopamine (6-OHDA)-induced model of PD in male mice. Additionally, we showed the involvement of PPAR-α in PEA protective effect on SH-SY5Y neuroblastoma against 6-OHDA damage. Here, we report that PEA (3-30mg/kg/days.c.) improved behavioral impairments induced by unilateral intrastriatal injection of 6-OHDA. This effect was accompanied by a significant increase in tyrosine hydroxylase expression at striatal level, indicating PEA preserving effect on dopaminergic neurons. Moreover, we found a reduction in the expression of pro-inflammatory enzymes, i.e. inducible nitric oxide synthase and cyclooxygenase-2, a modulation between pro- and anti-apoptotic markers, suggestive of PEA capability in controlling neuroinflammation and cell death. Interestingly, PEA also showed protective scavenging effect, through superoxide dismutase induction, and dampened unfolding protein response, interfering on glucose-regulated protein 78 expression and PERK-eIF2α pathway. Similar data were found in in vitro studies, where PEA treatment was found to rescue SH-SY5Y neuroblastoma cells from 6-OHDA-induced damage and death, partly by inhibiting endoplasmic reticulum stress detrimental response. Therefore, PEA, counteracting the pathogenetic aspects involved in the development of PD, showed its therapeutic potential, possibly integrating current treatments correcting dopaminergic deficits and motor dysfunction.
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Affiliation(s)
- Carmen Avagliano
- Department of Pharmacy, University of Naples "Federico II", 80131, Naples, Italy
| | - Roberto Russo
- Department of Pharmacy, University of Naples "Federico II", 80131, Naples, Italy
| | - Carmen De Caro
- Department of Pharmacy, University of Naples "Federico II", 80131, Naples, Italy
| | - Claudia Cristiano
- Department of Pharmacy, University of Naples "Federico II", 80131, Naples, Italy
| | - Giovanna La Rana
- Department of Pharmacy, University of Naples "Federico II", 80131, Naples, Italy
| | - Giuseppe Piegari
- Department of Veterinary Medicine and Animal Production, University of Naples "Federico II", 80137 Naples, Italy
| | - Orlando Paciello
- Department of Veterinary Medicine and Animal Production, University of Naples "Federico II", 80137 Naples, Italy
| | - Rita Citraro
- Department of Health Sciences, School of Medicine, University of Catanzaro "Magna Graecia", Catanzaro, Italy
| | - Emilio Russo
- Department of Health Sciences, School of Medicine, University of Catanzaro "Magna Graecia", Catanzaro, Italy
| | - Giovambattista De Sarro
- Department of Health Sciences, School of Medicine, University of Catanzaro "Magna Graecia", Catanzaro, Italy
| | - Rosaria Meli
- Department of Pharmacy, University of Naples "Federico II", 80131, Naples, Italy
| | | | - Antonio Calignano
- Department of Pharmacy, University of Naples "Federico II", 80131, Naples, Italy
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