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Kciuk M, Garg N, Dhankhar S, Saini M, Mujwar S, Devi S, Chauhan S, Singh TG, Singh R, Marciniak B, Gielecińska A, Kontek R. Exploring the Comprehensive Neuroprotective and Anticancer Potential of Afzelin. Pharmaceuticals (Basel) 2024; 17:701. [PMID: 38931368 PMCID: PMC11206995 DOI: 10.3390/ph17060701] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 05/18/2024] [Accepted: 05/23/2024] [Indexed: 06/28/2024] Open
Abstract
Neurodegenerative diseases (Alzheimer's disease, Parkinson's disease, Huntington's disease, and others) and cancer, seemingly disparate in their etiology and manifestation, exhibit intriguing associations in certain cellular and molecular processes. Both cancer and neurodegenerative diseases involve the deregulation of cellular processes such as apoptosis, proliferation, and DNA repair and pose a significant global health challenge. Afzelin (kaempferol 3-O-rhamnoside) is a flavonoid compound abundant in various plant sources. Afzelin exhibits a diverse range of biological activities, offering promising prospects for the treatment of diseases hallmarked by oxidative stress and deregulation of cell death pathways. Its protective potential against oxidative stress is also promising for alleviating the side effects of chemotherapy. This review explores the potential therapeutic implications of afzelin, including its capacity to mitigate oxidative stress, modulate inflammation, and promote cellular regeneration in neurodegenerative and cancer diseases.
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Affiliation(s)
- Mateusz Kciuk
- Department of Molecular Biotechnology and Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha St., 90-237 Lodz, Poland; (M.K.); (B.M.); (A.G.); (R.K.)
| | - Nitika Garg
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India; (N.G.); (S.D.); (S.D.); (T.G.S.)
| | - Sanchit Dhankhar
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India; (N.G.); (S.D.); (S.D.); (T.G.S.)
| | - Monika Saini
- M. M. College of Pharmacy, Maharishi Markandeshwar (Deemed to be) University, Mullana, Ambala 133207, Haryana, India;
- Swami Vivekanand College of Pharmacy, Ramnagar, Banur 140601, Punjab, India
| | - Somdutt Mujwar
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India; (N.G.); (S.D.); (S.D.); (T.G.S.)
| | - Sushma Devi
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India; (N.G.); (S.D.); (S.D.); (T.G.S.)
| | - Samrat Chauhan
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India; (N.G.); (S.D.); (S.D.); (T.G.S.)
| | - Thakur Gurjeet Singh
- Chitkara College of Pharmacy, Chitkara University, Rajpura 140401, Punjab, India; (N.G.); (S.D.); (S.D.); (T.G.S.)
| | - Randhir Singh
- Department of Pharmacology, Central University of Punjab, Bathinda 151401, Punjab, India;
| | - Beata Marciniak
- Department of Molecular Biotechnology and Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha St., 90-237 Lodz, Poland; (M.K.); (B.M.); (A.G.); (R.K.)
| | - Adrianna Gielecińska
- Department of Molecular Biotechnology and Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha St., 90-237 Lodz, Poland; (M.K.); (B.M.); (A.G.); (R.K.)
- Doctoral School of Exact and Natural Sciences, University of Lodz, 90-237 Lodz, Poland
| | - Renata Kontek
- Department of Molecular Biotechnology and Genetics, Faculty of Biology and Environmental Protection, University of Lodz, 12/16 Banacha St., 90-237 Lodz, Poland; (M.K.); (B.M.); (A.G.); (R.K.)
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Li S, Liu Y, Lu S, Xu J, Liu X, Yang D, Yang Y, Hou L, Li N. A crazy trio in Parkinson's disease: metabolism alteration, α-synuclein aggregation, and oxidative stress. Mol Cell Biochem 2024:10.1007/s11010-024-04985-3. [PMID: 38625515 DOI: 10.1007/s11010-024-04985-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2024] [Accepted: 03/06/2024] [Indexed: 04/17/2024]
Abstract
Parkinson's disease (PD) is an aging-associated neurodegenerative disorder, characterized by the progressive loss of dopaminergic neurons in the pars compacta of the substantia nigra and the presence of Lewy bodies containing α-synuclein within these neurons. Oligomeric α-synuclein exerts neurotoxic effects through mitochondrial dysfunction, glial cell inflammatory response, lysosomal dysfunction and so on. α-synuclein aggregation, often accompanied by oxidative stress, is generally considered to be a key factor in PD pathology. At present, emerging evidences suggest that metabolism alteration is closely associated with α-synuclein aggregation and PD progression, and improvement of key molecules in metabolism might be potentially beneficial in PD treatment. In this review, we highlight the tripartite relationship among metabolic changes, α-synuclein aggregation, and oxidative stress in PD, and offer updated insights into the treatments of PD, aiming to deepen our understanding of PD pathogenesis and explore new therapeutic strategies for the disease.
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Affiliation(s)
- Sheng Li
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Yanbing Liu
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Sen Lu
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Jiayi Xu
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Xiaokun Liu
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Di Yang
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Yuxuan Yang
- School of Basic Medicine, Qingdao University, Qingdao, China
| | - Lin Hou
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China
| | - Ning Li
- Department of Biochemistry and Molecular Biology, School of Basic Medicine, Qingdao University, Qingdao, 266071, China.
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Valderhaug VD, Ramstad OH, van de Wijdeven R, Heiney K, Nichele S, Sandvig A, Sandvig I. Micro-and mesoscale aspects of neurodegeneration in engineered human neural networks carrying the LRRK2 G2019S mutation. Front Cell Neurosci 2024; 18:1366098. [PMID: 38644975 PMCID: PMC11026646 DOI: 10.3389/fncel.2024.1366098] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 03/11/2024] [Indexed: 04/23/2024] Open
Abstract
Mutations in the leucine-rich repeat kinase 2 (LRRK2) gene have been widely linked to Parkinson's disease, where the G2019S variant has been shown to contribute uniquely to both familial and sporadic forms of the disease. LRRK2-related mutations have been extensively studied, yet the wide variety of cellular and network events related to these mutations remain poorly understood. The advancement and availability of tools for neural engineering now enable modeling of selected pathological aspects of neurodegenerative disease in human neural networks in vitro. Our study revealed distinct pathology associated dynamics in engineered human cortical neural networks carrying the LRRK2 G2019S mutation compared to healthy isogenic control neural networks. The neurons carrying the LRRK2 G2019S mutation self-organized into networks with aberrant morphology and mitochondrial dynamics, affecting emerging structure-function relationships both at the micro-and mesoscale. Taken together, the findings of our study points toward an overall heightened metabolic demand in networks carrying the LRRK2 G2019S mutation, as well as a resilience to change in response to perturbation, compared to healthy isogenic controls.
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Affiliation(s)
- Vibeke Devold Valderhaug
- Department of Research and Innovation, Møre and Romsdal Hospital Trust, Ålesund, Norway
- Department of Neuromedicine and Movement Science, Faculty of Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Ola Huse Ramstad
- Department of Neuromedicine and Movement Science, Faculty of Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
| | - Rosanne van de Wijdeven
- Department of Clinical and Molecular Medicine, Faculty of Medicine and Health Sciences, NTNU, Trondheim, Norway
| | - Kristine Heiney
- Department of Computer Science, Faculty of Technology, Art and Design, Oslo Metropolitan University (OsloMet), Oslo, Norway
- Department of Computer Science, Faculty of Information Technology and Electrical Engineering, NTNU, Trondheim, Norway
| | - Stefano Nichele
- Department of Computer Science, Faculty of Technology, Art and Design, Oslo Metropolitan University (OsloMet), Oslo, Norway
- Department of Computer Science and Communication, Østfold University College, Halden, Norway
| | - Axel Sandvig
- Department of Neuromedicine and Movement Science, Faculty of Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
- Department of Clinical Neuroscience, Division of Neuro, Head and Neck, Umeå University Hospital, Umeå, Sweden
- Department of Community Medicine and Rehabilitation, Umeå University, Umeå, Sweden
- Department of Neurology and Clinical Neurophysiology, St Olav’s Hospital, Trondheim, Norway
| | - Ioanna Sandvig
- Department of Neuromedicine and Movement Science, Faculty of Medicine, Norwegian University of Science and Technology (NTNU), Trondheim, Norway
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Qian S, He H, Xiong X, Ai R, Wang W, Zhu H, Ye Q, Zhou S, Nilsen H, Xie C. Identification of mitophagy-associated proteins profile as potential plasma biomarkers of idiopathic Parkinson's disease. CNS Neurosci Ther 2024; 30:e14532. [PMID: 37990436 PMCID: PMC11056850 DOI: 10.1111/cns.14532] [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: 08/19/2023] [Revised: 10/25/2023] [Accepted: 11/04/2023] [Indexed: 11/23/2023] Open
Abstract
BACKGROUND Despite extensive work to identify diagnostic plasma markers for Parkinson's disease (PD), there are still no accepted and validated surrogate biomarkers. Mitophagy-associated proteins (MAPs), including PTEN-induced putative kinase 1 (PINK1), Parkin, phosphoglycerate mutase 5 (PGAM5), BCL2 interacting protein 3 (BNIP3), and phosphorylated-TBK1 (p-TBK1), are, to our best knowledge, not well studied as a panel of biomarkers of neurodegeneration in PD. METHODS The study population comprised 116 age-matched controls (HC), 179 PD patients, alongside and 90 PD syndromes (PDs) divided between two cohorts: (i) the modeling cohort (cohort 1), including 150 PD, 97 HC, and 80 PDs; and (ii) the validated cohort (cohort 2), including 29 PD, 19 HC, and 10 PDs. RESULTS MAPs are elevated in the plasma of PD patients. PINK1, Parkin, and PGAM5 displayed the top three measurable increase trends in amplitude compared to BNIP3 and p-TBK1. Moreover, the area under the curve (AUC) values of PINK1, PGAM5, and Parkin were ranked the top three MAP candidates in diagnosis accuracy for PD from HC, but the MAPs make it hard to differentiate PD from PDs. In addition, there are higher plasma PINK1-Parkin levels and prominent diagnostic accuracy in A-synuclein (+) subjects than in A-synuclein (-) subjects. CONCLUSIONS These results uncover that plasma MAPs (PINK1, Parkin, and PGAM5) may be potentially useful diagnostic biomarkers for PD diagnosis. Studies on larger cohorts would be required to test whether elevated plasma MAP levels are related to PD risk or prognosis.
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Affiliation(s)
- Shuangjie Qian
- Department of NeurologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Haijun He
- Department of NeurologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Xi Xiong
- Department of NeurologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Ruixue Ai
- Department of Clinical Molecular BiologyUniversity of Oslo and Akershus University HospitalLørenskogNorway
| | - Wenwen Wang
- The Center of Traditional Chinese MedicineThe Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Huimin Zhu
- Department of NeurologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Qianqian Ye
- Department of NeurologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Shuoting Zhou
- Department of NeurologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
| | - Hilde Nilsen
- Department of MicrobiologyOslo University HospitalOsloNorway
- Institute of Clinical Medicine, Department of Clinical Molecular BiologyUniversity of OsloOsloNorway
- Unit of Precision MedicineAkershus University HospitalNordbyhagenNorway
| | - Chenglong Xie
- Department of NeurologyThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouChina
- Key Laboratory of Alzheimer's Disease of Zhejiang ProvinceInstitute Of Aging, Wenzhou Medical UniversityWenzhouZhejiangChina
- Oujiang LaboratoryWenzhouZhejiangChina
- Department of Geriatrics, Geriatric Medical CenterThe First Affiliated Hospital of Wenzhou Medical UniversityWenzhouZhejiangChina
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Chen Y, Tang W, Huang X, An Y, Li J, Yuan S, Shan H, Zhang M. Mitophagy in intracerebral hemorrhage: a new target for therapeutic intervention. Neural Regen Res 2024; 19:316-323. [PMID: 37488884 PMCID: PMC10503626 DOI: 10.4103/1673-5374.379019] [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: 01/29/2023] [Revised: 04/12/2023] [Accepted: 05/18/2023] [Indexed: 07/26/2023] Open
Abstract
Intracerebral hemorrhage is a life-threatening condition with a high fatality rate and severe sequelae. However, there is currently no treatment available for intracerebral hemorrhage, unlike for other stroke subtypes. Recent studies have indicated that mitochondrial dysfunction and mitophagy likely relate to the pathophysiology of intracerebral hemorrhage. Mitophagy, or selective autophagy of mitochondria, is an essential pathway to preserve mitochondrial homeostasis by clearing up damaged mitochondria. Mitophagy markedly contributes to the reduction of secondary brain injury caused by mitochondrial dysfunction after intracerebral hemorrhage. This review provides an overview of the mitochondrial dysfunction that occurs after intracerebral hemorrhage and the underlying mechanisms regarding how mitophagy regulates it, and discusses the new direction of therapeutic strategies targeting mitophagy for intracerebral hemorrhage, aiming to determine the close connection between mitophagy and intracerebral hemorrhage and identify new therapies to modulate mitophagy after intracerebral hemorrhage. In conclusion, although only a small number of drugs modulating mitophagy in intracerebral hemorrhage have been found thus far, most of which are in the preclinical stage and require further investigation, mitophagy is still a very valid and promising therapeutic target for intracerebral hemorrhage in the long run.
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Affiliation(s)
- Yiyang Chen
- Institute of Forensic Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu Province, China
- Shanghai Key Lab of Forensic Medicine, Key Lab of Forensic Science, Ministry of Justice (Academy of Forensic Science), Shanghai, China
| | - Wenxuan Tang
- Institute of Forensic Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu Province, China
| | - Xinqi Huang
- Institute of Forensic Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu Province, China
| | - Yumei An
- Institute of Forensic Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu Province, China
| | - Jiawen Li
- Institute of Forensic Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu Province, China
| | - Shengye Yuan
- Institute of Forensic Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu Province, China
| | - Haiyan Shan
- Department of Obstetrics and Gynecology, The Affiliated Suzhou Hospital of Nanjing Medical University, Suzhou, Jiangsu Province, China
| | - Mingyang Zhang
- Institute of Forensic Sciences, Suzhou Medical College, Soochow University, Suzhou, Jiangsu Province, China
- Shanghai Key Lab of Forensic Medicine, Key Lab of Forensic Science, Ministry of Justice (Academy of Forensic Science), Shanghai, China
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Barnett DG, Lechner SA, Gammie SC, Kelm-Nelson CA. Thyroarytenoid Oxidative Metabolism and Synaptic Signaling Dysregulation in the Female Pink1-/- Rat. Laryngoscope 2023; 133:3412-3421. [PMID: 37293988 PMCID: PMC10709531 DOI: 10.1002/lary.30768] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/07/2023] [Accepted: 05/10/2023] [Indexed: 06/10/2023]
Abstract
OBJECTIVES AND HYPOTHESIS Vocal dysfunction, including hypophonia, in Parkinson disease (PD) manifests in the prodromal period and significantly impacts an individual's quality of life. Data from human studies suggest that pathology leading to vocal deficits may be structurally related to the larynx and its function. The Pink1-/- rat is a translational model used to study pathogenesis in the context of early-stage mitochondrial dysfunction. The primary objective of this work was to identify differentially expressed genes in the thyroarytenoid muscle and examine the dysregulated biological pathways in the female rat. METHODS RNA sequencing was used to determine thyroarytenoid (TA) muscle gene expression in adult female Pink1-/- rats compared with controls. A bioinformatic approach and the ENRICHR gene analysis tool were used to compare the sequencing dataset with biological pathways and processes, disease relationships, and drug-repurposing compounds. Weighted Gene Co-expression Network Analysis was used to construct biological network modules. The data were compared with a previously published dataset in male rats. RESULTS Significant upregulated pathways in female Pink1-/- rats included fatty acid oxidation and muscle contraction, synaptic transmission, and neuromuscular processes. Downregulated pathways included anterograde transsynaptic signaling, chemical synaptic transmission, and ion release. Several drug treatment options including cetuximab, fluoxetine, and resveratrol are hypothesized to reverse observed genetic dysregulation. CONCLUSIONS Data presented here are useful for identifying biological pathways that may underlie the mechanisms of peripheral dysfunction including neuromuscular synaptic transmission to the TA muscle. These experimental biomarkers have the potential to be targeted as sites for improving the treatment for hypophonia in early-stage PD. LEVEL OF EVIDENCE NA Laryngoscope, 133:3412-3421, 2023.
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Affiliation(s)
- David G.S. Barnett
- Department of Surgery, Division of Otolaryngology-Head and Neck Surgery, University of Wisconsin, Madison, Wisconsin
| | - Sarah A. Lechner
- Department of Surgery, Division of Otolaryngology-Head and Neck Surgery, University of Wisconsin, Madison, Wisconsin
| | - Stephen C. Gammie
- Department of Integrative Biology, University of Wisconsin, Madison, Wisconsin
| | - Cynthia A. Kelm-Nelson
- Department of Surgery, Division of Otolaryngology-Head and Neck Surgery, University of Wisconsin, Madison, Wisconsin
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Zagare A, Preciat G, Nickels SL, Luo X, Monzel AS, Gomez-Giro G, Robertson G, Jaeger C, Sharif J, Koseki H, Diederich NJ, Glaab E, Fleming RMT, Schwamborn JC. Omics data integration suggests a potential idiopathic Parkinson's disease signature. Commun Biol 2023; 6:1179. [PMID: 37985891 PMCID: PMC10662437 DOI: 10.1038/s42003-023-05548-w] [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: 06/30/2023] [Accepted: 11/06/2023] [Indexed: 11/22/2023] Open
Abstract
The vast majority of Parkinson's disease cases are idiopathic. Unclear etiology and multifactorial nature complicate the comprehension of disease pathogenesis. Identification of early transcriptomic and metabolic alterations consistent across different idiopathic Parkinson's disease (IPD) patients might reveal the potential basis of increased dopaminergic neuron vulnerability and primary disease mechanisms. In this study, we combine systems biology and data integration approaches to identify differences in transcriptomic and metabolic signatures between IPD patient and healthy individual-derived midbrain neural precursor cells. Characterization of gene expression and metabolic modeling reveal pyruvate, several amino acid and lipid metabolism as the most dysregulated metabolic pathways in IPD neural precursors. Furthermore, we show that IPD neural precursors endure mitochondrial metabolism impairment and a reduced total NAD pool. Accordingly, we show that treatment with NAD precursors increases ATP yield hence demonstrating a potential to rescue early IPD-associated metabolic changes.
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Affiliation(s)
- Alise Zagare
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, 7, Avenue des Hauts-Fourneaux, 4362, Esch-sur-Alzette, Luxembourg
| | - German Preciat
- Metabolomics and Analytics Center, Leiden Academic Centre for Drug Research, Leiden University, 2300 RA, Leiden, The Netherlands
| | - Sarah L Nickels
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, 7, Avenue des Hauts-Fourneaux, 4362, Esch-sur-Alzette, Luxembourg
| | - Xi Luo
- School of Medicine, University of Galway, University Rd, Galway, Ireland
| | - Anna S Monzel
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, 7, Avenue des Hauts-Fourneaux, 4362, Esch-sur-Alzette, Luxembourg
| | - Gemma Gomez-Giro
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, 7, Avenue des Hauts-Fourneaux, 4362, Esch-sur-Alzette, Luxembourg
| | - Graham Robertson
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, 7, Avenue des Hauts-Fourneaux, 4362, Esch-sur-Alzette, Luxembourg
| | - Christian Jaeger
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, 7, Avenue des Hauts-Fourneaux, 4362, Esch-sur-Alzette, Luxembourg
| | - Jafar Sharif
- Laboratory for Developmental Genetics, RIKEN Center for Integrative Medical Sciences (IMS), Kanagawa, 230-0045, Japan
| | - Haruhiko Koseki
- Laboratory for Developmental Genetics, RIKEN Center for Integrative Medical Sciences (IMS), Kanagawa, 230-0045, Japan
| | - Nico J Diederich
- Centre Hospitalier de Luxembourg (CHL), 4, Rue Nicolas Ernest Barblé, L-1210, Luxembourg, Luxembourg
| | - Enrico Glaab
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, 7, Avenue des Hauts-Fourneaux, 4362, Esch-sur-Alzette, Luxembourg
| | - Ronan M T Fleming
- Metabolomics and Analytics Center, Leiden Academic Centre for Drug Research, Leiden University, 2300 RA, Leiden, The Netherlands
- School of Medicine, University of Galway, University Rd, Galway, Ireland
| | - Jens C Schwamborn
- Luxembourg Centre for Systems Biomedicine (LCSB), University of Luxembourg, 7, Avenue des Hauts-Fourneaux, 4362, Esch-sur-Alzette, Luxembourg.
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Li J, Yang D, Li Z, Zhao M, Wang D, Sun Z, Wen P, Dai Y, Gou F, Ji Y, Zhao D, Yang L. PINK1/Parkin-mediated mitophagy in neurodegenerative diseases. Ageing Res Rev 2023; 84:101817. [PMID: 36503124 DOI: 10.1016/j.arr.2022.101817] [Citation(s) in RCA: 47] [Impact Index Per Article: 47.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 11/21/2022] [Accepted: 12/06/2022] [Indexed: 12/13/2022]
Abstract
Mitochondria play key roles in bioenergetics, metabolism, and signaling; therefore, stable mitochondrial function is essential for cell survival, particularly in energy-intensive neuronal cells. In neurodegenerative diseases, damaged mitochondria accumulate in neurons causing associated bioenergetics deficiency, impaired cell signaling, defective cytoplasmic calcium buffering, and other pathological changes. Mitochondrial quality control is an important mechanism to ensure the maintenance of mitochondrial health, homeostasis, and mitophagy, the latter of which is a pathway that delivers defective mitochondria to the lysosome for degradation. Defective mitophagy is thought to be responsible for the accumulation of damaged mitochondria, which leads to cellular dysfunction and/or death in neurodegenerative diseases. PINK1/Parkin mainly regulates ubiquitin-dependent mitophagy, which is crucial for many aspects of mitochondrial physiology, particularly the initiation of autophagic mechanisms. Therefore, in the present review, we summarize the current knowledge of the conventional mitophagy pathway, focusing on the molecular mechanisms underlying mitophagy dysregulation in prion disease and other age-related neurodegenerative diseases, especially in relation to the PINK1/Parkin pathway. Moreover, we list the inducers of mitophagy that possess neuroprotective effects, in addition to their mechanisms related to the PINK1/Parkin pathway. These mechanisms may provide potential interventions centered on the regulation of mitophagy and offer therapeutic strategies for the treatment of neurodegenerative diseases.
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Affiliation(s)
- Jie Li
- National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology of Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing, China
| | - Dongming Yang
- National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology of Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing, China
| | - Zhiping Li
- National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology of Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing, China
| | - Mengyang Zhao
- National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology of Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing, China
| | - Dongdong Wang
- National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology of Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing, China
| | - Zhixin Sun
- National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology of Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing, China
| | - Pei Wen
- National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology of Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing, China
| | - Yuexin Dai
- National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology of Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing, China
| | - Fengting Gou
- National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology of Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing, China
| | - Yilan Ji
- National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology of Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing, China
| | - Deming Zhao
- National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology of Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing, China
| | - Lifeng Yang
- National Animal Transmissible Spongiform Encephalopathy Laboratory, College of Veterinary Medicine, State Key Laboratories for Agrobiotechnology, Key Laboratory of Animal Epidemiology of Ministry of Agriculture and Rural Affairs, China Agricultural University, Beijing, China.
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FUNDC1 Mediated Mitophagy in Epileptic Hippocampal Neuronal Injury Induced by Magnesium-Free Fluid. Neurochem Res 2023; 48:284-294. [PMID: 36094682 DOI: 10.1007/s11064-022-03749-z] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2022] [Revised: 08/22/2022] [Accepted: 08/30/2022] [Indexed: 01/11/2023]
Abstract
Mitophagy plays a key role in epileptic neuronal injury, and recent studies have shown that FUNDC1 plays an important role in regulating mitophagy. However, the specific effect of FUNDC1 on neuronal damage in epilepsy is unknown. In this study, we investigated the role of FUNDC1 in mitophagy and neuronal apoptosis using a hippocampal neuronal culture model of acquired epilepsy (AE) in vitro. We found that mitophagy levels were significantly increased in this model, as indicated by elevated LC3A/B ratios. FUNDC1 overexpression using lentiviral vectors enhanced mitophagy, whereas FUNDC1 down-regulation using lentiviral vectors impaired this process. Overexpression of FUNDC1 significantly decreased AE-induced superoxide anion, enhanced cell viability, reduced oxidative stress, and reduced neuronal apoptosis in epileptic hippocampus, while FUNDC1 down-regulation caused the opposite effect. In conclusion, we demonstrated that FUNDC1 is an important modulator of AE-induced neuronal apoptosis by controlling mitophagy function.
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10
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Wang N, Yang J, Chen R, Liu Y, Liu S, Pan Y, Lei Q, Wang Y, He L, Song Y, Li Z. Ginsenoside Rg1 ameliorates Alzheimer's disease pathology via restoring mitophagy. J Ginseng Res 2022; 47:448-457. [DOI: 10.1016/j.jgr.2022.12.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Revised: 12/02/2022] [Accepted: 12/12/2022] [Indexed: 12/24/2022] Open
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11
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Su J, Yang P, Xing M, Chen B, Xie X, Ding J, Lu M, Liu Y, Guo Y, Hu G. Neuroprotective effects of a lead compound from coral via modulation of the orphan nuclear receptor Nurr1. CNS Neurosci Ther 2022; 29:893-906. [PMID: 36419251 PMCID: PMC9928544 DOI: 10.1111/cns.14025] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2022] [Revised: 08/03/2022] [Accepted: 08/14/2022] [Indexed: 11/26/2022] Open
Abstract
AIMS To screen coral-derived compounds with neuroprotective activity and clarify the potential mechanism of lead compounds. METHODS The lead compounds with neuroprotective effects were screened by H2 O2 and 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPP+ )-induced cell damage models in SH-SY5Y cells. CCK8 and LDH assays were used to detect cell viability. The anti-apoptosis of lead compounds was evaluated by flow cytometry. JC-1 and MitoSox assays were performed to examine the changes in mitochondrial membrane potential and mitochondrial ROS level. Survival of primary cortical and dopaminergic midbrain neurons was measured by MAP2 and TH immunoreactivities. The Caenorhabditis elegans (C. elegans) model was established to determine the effect of lead compounds on dopaminergic neurons and behavior changes. RESULTS Three compounds (No. 63, 68, and 74), derived from marine corals, could markedly alleviate the cell damage and notably reverse the loss of worm dopaminergic neurons. Further investigation indicated that compound 63 could promote the expression of Nurr1 and inhibit neuronal apoptosis signaling pathways. CONCLUSION Lead compounds from marine corals exerted significant neuroprotective effects, which indicated that coral might be a new and potential resource for screening and isolating novel natural compounds with neuroprotective effects. Furthermore, this study also provided a new strategy for the clinical treatment of neurodegenerative diseases such as Parkinson's disease.
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Affiliation(s)
- Jian‐Wei Su
- Department of PharmacologySchool of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese MedicineNanjingJiangsuChina
| | - Pei Yang
- Department of PharmacologySchool of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese MedicineNanjingJiangsuChina
| | - Mei‐Mei Xing
- Department of PharmacologySchool of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese MedicineNanjingJiangsuChina
| | - Bao Chen
- State Key Laboratory of Drug ResearchShanghai Institute of Materia Medica, Chinese Academy of SciencesShanghaiChina
| | - Xia‐Hong Xie
- Department of PharmacologySchool of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese MedicineNanjingJiangsuChina
| | - Jian‐Hua Ding
- Jiangsu Key Laboratory of Neurodegeneration, Department of PharmacologyNanjing Medical UniversityNanjingChina
| | - Ming Lu
- Jiangsu Key Laboratory of Neurodegeneration, Department of PharmacologyNanjing Medical UniversityNanjingChina
| | - Yang Liu
- Department of PharmacologySchool of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese MedicineNanjingJiangsuChina
| | - Yue‐Wei Guo
- State Key Laboratory of Drug ResearchShanghai Institute of Materia Medica, Chinese Academy of SciencesShanghaiChina
| | - Gang Hu
- Department of PharmacologySchool of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese MedicineNanjingJiangsuChina
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12
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Lalpara JN, Hadiyal SD, Dhaduk BB, Gupta MK, Solanki MB, Sharon A, Dubal GG. Water Promoted One Pot Synthesis of Sesamol Derivatives as Potent Antioxidants: DFT, Molecular Docking, SAR and Single Crystal Studies. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2022.2083194] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
| | | | - B. B. Dhaduk
- Department of Chemistry, Atmiya University, Rajkot, Gujarat, India
| | - Maneesh Kumar Gupta
- Department of Chemistry, Hotilal Ramnath College (A Constituent Unit of Jai Prakash University), Amnour, Chapra, Bihar, India
| | - M. B. Solanki
- School of Technology, Pandit Deendayal Petroleum University, Gandhinagar, India
| | | | - G. G. Dubal
- Department of Chemistry, RK University, Rajkot, Gujarat, India
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13
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Naserzadeh P, Razmi A, Yesildal R, Ashtari B. Investigation of toxicity effect of TiCN coated on 304 SS and 410 SS substrates in rat fibroblasts and B-lymphocytes. Toxicol Res (Camb) 2022; 11:286-298. [PMID: 35510235 PMCID: PMC9052322 DOI: 10.1093/toxres/tfac007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 12/27/2021] [Indexed: 11/14/2022] Open
Abstract
In the present study, TiCN thin films were coated on AISI 304 and AISI 410 stainless steel (SS) substrates by Cathodic Arc Physical Vapor Deposition method. TiCN-coated substrates were confirmed by the XRD analysis results. Dense morphology and fine-grained surface of TiCN film were established by SEM images. Cellular toxicity of the coated 304 SS and 410 SS substrates was investigated in the fibroblasts and B-lymphocyte. In respect to that, we have shown coated substrates cytotoxicity, oxidative stress as well as cell viability, reactive oxygen species (ROS), lipid peroxidation (MDA), protein carbonyl, glutathione oxidase (GSSG), and glutathione reductase (GSH) assessment, releasing cytochrome c (Cytc), lysosomal membrane destabilization (AO) may lead to cell death signaling. Our results showed that the coated 304 SS and 410 SS substrates induced cells dysfunction via a significant increase in ROS production, MDA (P < 0.01 and P < 0.001), protein carbonyl (P < 0.05), and GSSG (P < 0.05 and P < 0.01) that correlated to cytochrome c release (P < 0.01). In addition, increased disturbance in oxidative phosphorylation was also shown by the decrease in cell viability (P < 0.001) and GSH (P < 0.01 and P < 0.001) in the coated 304 SS and 410 SS substrates-treated fibroblast and B-lymphocytes. The coated 304 SS and 410 SS substrates contacted cells and trafficked to the lysosomes and this is followed by lysosomal damage, leading to apoptosis/Necrosis. Our results indicated that these materials cause cellular dysfunction and subsequent oxidative stress leading to cognitive impairment in the rat fibroblasts and B-lymphocytes cells.
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Affiliation(s)
- Parvaneh Naserzadeh
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran 1449614535, Iran
| | - Abbas Razmi
- Faculty of Engineering, Mechanical Engineering Department, Construction and Manufacturing Division, Ataturk University, Erzurum 25240, Turkey
| | - Ruhi Yesildal
- Faculty of Engineering, Mechanical Engineering Department, Construction and Manufacturing Division, Ataturk University, Erzurum 25240, Turkey
| | - Behnaz Ashtari
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran 1449614535, Iran
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14
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Preparation, Structural Characterization, and Property Investigation of Gallic Acid-Grafted Fungal Chitosan Conjugate. J Fungi (Basel) 2021; 7:jof7100812. [PMID: 34682234 PMCID: PMC8540519 DOI: 10.3390/jof7100812] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2021] [Revised: 09/23/2021] [Accepted: 09/23/2021] [Indexed: 02/06/2023] Open
Abstract
Oxidative stress is the cause of numerous diseases in humans; therefore, there has been a continuous search for novel antioxidant molecules. Fungal chitosan is an attractive molecule that has several applications (antifungal, antibacterial, anticancer and antiparasitic action) owing to its unique characteristics; however, it exhibits low antioxidant activity. The aim of this study was to obtain fungal chitosan (Chit-F) from the fungus Rhizopus arrhizus and synthesize its derivative, fungal chitosan-gallic acid (Chit-FGal), as a novel antioxidant chitosan derivative for biomedical use. A low molecular weight Chi-F (~3.0 kDa) with a degree of deacetylation of 86% was obtained from this fungus. Chit-FGal (3.0 kDa) was synthesized by an efficient free radical-mediated method using hydrogen peroxide (H2O2) and ascorbic acid. Both Chit-F and Chit-FGal showed similar copper chelating activities; however, Chit-FGal was more efficient as an antioxidant, exhibiting twice the total antioxidant capacity than Chi-F (p < 0.05). Furthermore, H2O2 (0.06 M) promoted a 50% decrease in the viabilities of the 3T3 fibroblast cells. However, this effect was abolished in the presence of Chit-FGal (0.05–0.25 mg/mL), indicating that Chit-FGal protected the cells from oxidative damage. These results suggest that Chit-FGal may be a promising agent to combat oxidative stress.
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15
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Zinsmaier KE. Mitochondrial Miro GTPases coordinate mitochondrial and peroxisomal dynamics. Small GTPases 2021; 12:372-398. [PMID: 33183150 PMCID: PMC8583064 DOI: 10.1080/21541248.2020.1843957] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2020] [Revised: 10/22/2020] [Accepted: 10/26/2020] [Indexed: 12/18/2022] Open
Abstract
Mitochondria and peroxisomes are highly dynamic, multifunctional organelles. Both perform key roles for cellular physiology and homoeostasis by mediating bioenergetics, biosynthesis, and/or signalling. To support cellular function, they must be properly distributed, of proper size, and be able to interact with other organelles. Accumulating evidence suggests that the small atypical GTPase Miro provides a central signalling node to coordinate mitochondrial as well as peroxisomal dynamics. In this review, I summarize our current understanding of Miro-dependent functions and molecular mechanisms underlying the proper distribution, size and function of mitochondria and peroxisomes.
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Affiliation(s)
- Konrad E. Zinsmaier
- Departments of Neuroscience and Molecular and Cellular Biology, University of Arizona, Tucson, AZ, USA
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16
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Li D, Ding Z, Du K, Ye X, Cheng S. Reactive Oxygen Species as a Link between Antioxidant Pathways and Autophagy. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2021; 2021:5583215. [PMID: 34336103 PMCID: PMC8324391 DOI: 10.1155/2021/5583215] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/07/2021] [Revised: 04/25/2021] [Accepted: 06/04/2021] [Indexed: 12/11/2022]
Abstract
Reactive oxygen species (ROS) are highly reactive molecules that can oxidize proteins, lipids, and DNA. Under physiological conditions, ROS are mainly generated in the mitochondria during aerobic metabolism. Under pathological conditions, excessive ROS disrupt cellular homeostasis. High levels of ROS result in severe oxidative damage to the cellular machinery. However, a low/mild level of ROS could serve as a signal to trigger cell survival mechanisms. To prevent and cope with oxidative damage to biomolecules, cells have developed various antioxidant and detoxifying mechanisms. Meanwhile, ROS can initiate autophagy, a process of self-clearance, which helps to reduce oxidative damage by engulfing and degrading oxidized substance. This review summarizes the interactions among ROS, autophagy, and antioxidant pathways. The effects of natural phytochemicals on autophagy induction, antioxidation, and dual-function are also discussed.
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Affiliation(s)
- Dan Li
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - Zongxian Ding
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - Kaili Du
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - Xiangshi Ye
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
| | - Shixue Cheng
- Collaborative Innovation Center of Yangtze River Delta Region Green Pharmaceuticals, College of Pharmaceutical Sciences, Zhejiang University of Technology, Hangzhou, China
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17
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Büeler H. Mitochondrial and Autophagic Regulation of Adult Neurogenesis in the Healthy and Diseased Brain. Int J Mol Sci 2021; 22:ijms22073342. [PMID: 33805219 PMCID: PMC8036818 DOI: 10.3390/ijms22073342] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2021] [Revised: 03/18/2021] [Accepted: 03/19/2021] [Indexed: 02/07/2023] Open
Abstract
Adult neurogenesis is a highly regulated process during which new neurons are generated from neural stem cells in two discrete regions of the adult brain: the subventricular zone of the lateral ventricle and the subgranular zone of the dentate gyrus in the hippocampus. Defects of adult hippocampal neurogenesis have been linked to cognitive decline and dysfunction during natural aging and in neurodegenerative diseases, as well as psychological stress-induced mood disorders. Understanding the mechanisms and pathways that regulate adult neurogenesis is crucial to improving preventative measures and therapies for these conditions. Accumulating evidence shows that mitochondria directly regulate various steps and phases of adult neurogenesis. This review summarizes recent findings on how mitochondrial metabolism, dynamics, and reactive oxygen species control several aspects of adult neural stem cell function and their differentiation to newborn neurons. It also discusses the importance of autophagy for adult neurogenesis, and how mitochondrial and autophagic dysfunction may contribute to cognitive defects and stress-induced mood disorders by compromising adult neurogenesis. Finally, I suggest possible ways to target mitochondrial function as a strategy for stem cell-based interventions and treatments for cognitive and mood disorders.
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Affiliation(s)
- Hansruedi Büeler
- School of Life Sciences and Technology, Harbin Institute of Technology, Harbin 150080, China
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18
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Chen N, Guo Z, Luo Z, Zheng F, Shao W, Yu G, Cai P, Wu S, Li H. Drp1-mediated mitochondrial fission contributes to mitophagy in paraquat-induced neuronal cell damage. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2021; 272:116413. [PMID: 33422762 DOI: 10.1016/j.envpol.2020.116413] [Citation(s) in RCA: 22] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/13/2020] [Revised: 12/20/2020] [Accepted: 12/29/2020] [Indexed: 06/12/2023]
Abstract
Paraquat (PQ) is one of the most widely used herbicides in the world due to its excellent weed control effects. Accumulating evidence has revealed that long-term exposure to PQ can significantly increase the risk of Parkinson's disease (PD). However, the underlying molecular mechanisms are yet to be fully understood. Hence, we investigated the potential role of reactive oxygen species (ROS) and dynamin-related protein 1 (DRP1) in PQ-induced mitophagy, aiming to elaborate on possible molecular mechanisms involved in PQ-triggered neurotoxicity. Our results showed that ROS were increased, mitochondrial membrane potential was decreased at 100, 200, and 300 μM PQ concentrations, and autophagy pathways were activated at a concentration of 100 μM in neuronal cells. In addition, excessive mitophagy was observed in neurons exposed to 300 μM PQ for 24 h. Then, ROS-mediated mitochondrial fission was found to contribute to PQ-induced excessive mitophagy. Moreover, all aforementioned changes were significantly ameliorated by mdivi-1. Thus, our findings provide a novel neurotoxic mechanism and reveal the DRP1-mitochondrial fission pathway as a potential target for treatments of PQ-induced excessive mitophagy, serving as an alternative target for the prevention and treatment of Parkinson's disease. Because harmful substances are transmitted and enriched in the food chain, the toxic effect of environmental paraquat is nonnegligible, and more investigations are needed.
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Affiliation(s)
- Nengzhou Chen
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, 350122, China
| | - Zhenkun Guo
- The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, 350122, China; Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou, 350122, China
| | - Zhousong Luo
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, 350122, China
| | - Fuli Zheng
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, 350122, China; Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou, 350122, China
| | - Wenya Shao
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, 350122, China
| | - Guangxia Yu
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, 350122, China; Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou, 350122, China
| | - Ping Cai
- Department of Health Inspection and Quarantine, School of Public Health, Fujian Medical University, Fuzhou, 350122, China
| | - Siying Wu
- The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, 350122, China; Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou, 350122, China; Department of Epidemiology and Health Statistics, School of Public Health, Fujian Medical University, Fuzhou, 350122, China
| | - Huangyuan Li
- Department of Preventive Medicine, School of Public Health, Fujian Medical University, Fuzhou, 350122, China; The Key Laboratory of Environment and Health, School of Public Health, Fujian Medical University, Fuzhou, 350122, China; Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, Fuzhou, 350122, China.
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19
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Kolagar TA, Farzaneh M, Nikkar N, Khoshnam SE. Human Pluripotent Stem Cells in Neurodegenerative Diseases: Potentials, Advances and Limitations. Curr Stem Cell Res Ther 2020; 15:102-110. [PMID: 31441732 DOI: 10.2174/1574888x14666190823142911] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2019] [Revised: 06/15/2019] [Accepted: 07/17/2019] [Indexed: 12/14/2022]
Abstract
Neurodegenerative diseases are progressive and uncontrolled gradual loss of motor neurons function or death of neuron cells in the central nervous system (CNS) and the mechanisms underlying their progressive nature remain elusive. There is urgent need to investigate therapeutic strategies and novel treatments for neural regeneration in disorders like Alzheimer's disease (AD), Parkinson's disease (PD), amyotrophic lateral sclerosis (ALS), and multiple sclerosis (MS). Currently, the development and identification of pluripotent stem cells enabling the acquisition of a large number of neural cells in order to improve cell recovery after neurodegenerative disorders. Pluripotent stem cells which consist of embryonic stem cells (ESCs) and induced pluripotent stem cells (iPSCs) are characterized by their ability to indefinitely self-renew and the capacity to differentiate into different types of cells. The first human ESC lines were established from donated human embryos; while, because of a limited supply of donor embryos, human ESCs derivation remains ethically and politically controversial. Hence, hiPSCs-based therapies have been shown as an effective replacement for human ESCs without embryo destruction. Compared to the invasive methods for derivation of human ESCs, human iPSCs has opened possible to reprogram patient-specific cells by defined factors and with minimally invasive procedures. Human pluripotent stem cells are a good source for cell-based research, cell replacement therapies and disease modeling. To date, hundreds of human ESC and human iPSC lines have been generated with the aim of treating various neurodegenerative diseases. In this review, we have highlighted the recent potentials, advances, and limitations of human pluripotent stem cells for the treatment of neurodegenerative disorders.
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Affiliation(s)
- Tannaz Akbari Kolagar
- Faculty of Biological Sciences, Tehran North Branch, Islamic Azad University, Tehran, Iran
| | - Maryam Farzaneh
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Negin Nikkar
- Department of Biology, Faculty of Sciences, Alzahra University, Tehran, Iran
| | - Seyed Esmaeil Khoshnam
- Physiology Research Center, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
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20
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Mir-141-3p Regulates Apoptosis and Mitochondrial Membrane Potential via Targeting Sirtuin1 in a 1-Methyl-4-Phenylpyridinium in vitro Model of Parkinson's Disease. BIOMED RESEARCH INTERNATIONAL 2020; 2020:7239895. [PMID: 33204711 PMCID: PMC7666638 DOI: 10.1155/2020/7239895] [Citation(s) in RCA: 17] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 09/24/2020] [Accepted: 10/20/2020] [Indexed: 12/14/2022]
Abstract
Objectives Parkinson's disease (PD) is a common neurodegenerative disease characterized by the loss of midbrain dopaminergic neurons in the substantia nigra. The present study investigated miR-141-3p/sirtuin1 (SIRT1) activity in a 1-methyl-4-phenylpyridinium- (MPP+-) induced PC12-cell model of PD. Methods PC12 cells were exposed to MMP+ following induction of differentiation by nerve growth factor (NGF). miR-141-3p and SIRT1 expressions were examined using RT-qPCR and western blot. Cell viability was evaluated using the MTT assay. Apoptosis percentage, reactive oxygen species (ROS) production, and mitochondrial membrane potential (Δψm) were evaluated using flow cytometry. Expression of Nuclear factor-kappa B- (NF-κB-) related proteins was determined by western blot. Bioinformatic analysis, RT-qPCR, and luciferase reporter assay were used to confirm the interaction between miR-141-3p and SIRT1. Results miR-141-3p was upregulated, and SIRT1 was downregulated in MPP+-treated PC12 cells. MPP+ treatment also upregulated nitric oxide synthase 1 (Nos1) and α-synuclein. miR-141-3p induced apoptosis, oxidative stress, mitochondrial dysfunction, and downregulated the SIRT1 mRNA expression. The luciferase reporter assay showed that SIRT1 was the target of miR-141-3p. SIRT1 transfection attenuated apoptosis, ROS production and maintained Δψm. SIRT1 also downregulated Nos1, tumor necrosis factor-α (TNF-α), interleukin 1 beta (IL-1β), interleukin 6(IL-6) and upregulated B cell lymphoma 2 (Bcl-2) protein. In addition, SIRT1 activator resveratrol blocked the effects of miR-141-3p mimic on Nos1, α-synuclein, and mitochondrial membrane potential. SIRT1 inhibitor sirtinol reversed the biological effects of miR-141-3p. Conclusion Increased miR-141-3p induced apoptosis, oxidative stress, and mitochondrial dysfunction in MPP+-treated PC12 cells by directly targeting the SIRT1 expression. Our study provided a potential therapeutic strategy for PD.
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LncRNA OIP5-AS1 reduces α-synuclein aggregation and toxicity by targeting miR-126 to activate PLK2 in human neuroblastoma SH-SY5Y cells. Neurosci Lett 2020; 740:135482. [PMID: 33161106 DOI: 10.1016/j.neulet.2020.135482] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2020] [Revised: 10/22/2020] [Accepted: 10/26/2020] [Indexed: 01/12/2023]
Abstract
It has been reported that many long noncoding RNAs (lncRNA) are abnormally expressed in Parkinson's disease (PD). However, the knowledge about the role of dysregulated lncRNA in the pathological process of PD and the potential molecular regulation mechanism is still limited. Our immunofluorescence data show that miR-126 enhances the aggregation and toxicity of synuclein, while lncRNA OIP5-AS1 reduces the aggregation and toxicity of MPP + induced α-synuclein by targeting miR-126. Luciferase experiments have found that miR-126 regulates α-synuclein by targeting PLK2. Western blot and IP experimental analysis showed that this process is achieved by regulating PLK2/α-synuclein autophagy. In conclusion, our data indicate that OIP5-AS1 promotes the autophagy of PLK2-α-synuclein by targeting the miR-126 axis with pathogenic factors, thus reducing the aggregation toxicity of α-synuclein, which It will help better to understand the mechanism of dopaminergic neuron loss in PD and provide novel treatment options.
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22
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Spermidine inhibits neurodegeneration and delays aging via the PINK1-PDR1-dependent mitophagy pathway in C. elegans. Aging (Albany NY) 2020; 12:16852-16866. [PMID: 32902411 PMCID: PMC7521492 DOI: 10.18632/aging.103578] [Citation(s) in RCA: 34] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 06/15/2020] [Indexed: 01/24/2023]
Abstract
Aging is the primary driver of various diseases, including common neurodegenerative diseases such as Alzheimer's disease (AD) and Parkinson's disease (PD). Currently there is no cure for AD and PD, and the development of novel drug candidates is demanding. Spermidine is a small anti-aging molecule with elimination of damaged mitochondria via the process of mitophagy identified as a molecular mechanism of action. Here, we show that spermidine inhibits memory loss in AD worms and improves behavioral performance, e.g., locomotor capacity, in a PD worm model, both via the PINK1-PDR1-dependent mitophagy pathway. Additionally, spermidine delays accelerated aging and improves healthspan in the DNA repair-deficient premature aging Werner syndrome (WS) worm model. While possible intertwined interactions between mitophagy/autophagy induction and DNA repair by spermidine are to be determined, our data support further translation of spermidine as a possible therapeutic intervention for such diseases.
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Sharma S, Trivedi S, Pandey T, Ranjan S, Trivedi M, Pandey R. Wedelolactone Mitigates Parkinsonism Via Alleviating Oxidative Stress and Mitochondrial Dysfunction Through NRF2/SKN-1. Mol Neurobiol 2020; 58:65-77. [PMID: 32894501 DOI: 10.1007/s12035-020-02080-4] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2020] [Accepted: 08/19/2020] [Indexed: 12/17/2022]
Abstract
Parkinsonism is an age-associated neurodegenerative disorder characterized by aggregation of α-synuclein (α-syn) protein in the substantia nigra region, degeneration of dopaminergic neurons, and deregulated lipid metabolism. Currently, only symptomatic relief has been provided by FDA-approved therapeutic approaches for Parkinson's disease (PD). The present study aims to evaluate the potential of wedelolactone (WDL), a natural occurring coumestan found in Eclipta alba to mitigate the parkinsonism in Caenorhabditis elegans disease model. In the present studies, supplementation with 37.5 μM WDL exhibited a reduction in the level of α-syn in an age-dependent manner (22% at day 5, p < 0.05; and 16% at day 10, p < 0.001, n = 30), along with improvement in neuronal health through basal movement, and elevated the dopamine levels evident through 1-nonanol repulsion results in wild-type and diseased worms. Moreover, WDL augmented the mitochondrial health in wild-type, PD-diseased, and mev-1 mutant worms that establish the inherent activity of WDL in the alleviation of oxidative stress. Furthermore, WDL supplementation significantly decreases the neutral lipid and triglyceride level and also alleviates protein carbonyl level in PD disease condition. The overall investigation will provide a pioneer to the future insights of PD research related to plant-based drugs. qPCR studies after WDL supplementation revealed alteration of genes involved in the regulation of various stress-responsive (sod-5, gst-4, skn-1), α-syn-suppressing (lrk-1, ymel-1, lagr-1, grk-1), and mitochondrial (pink-1) genes. All together, these findings support that the WDL is a promising candidate to combat age-related multi-factorial PD pathology associated with protein misfolding and accumulation. The results provide sufficient information in the development of therapeutic medicines from natural products for improving the health.
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Affiliation(s)
- Shruti Sharma
- Ageing Biology Lab Microbial Technology & Nematology Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Near Kukrail Picnic Spot, Lucknow, 226015, India
| | - Shalini Trivedi
- Ageing Biology Lab Microbial Technology & Nematology Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Near Kukrail Picnic Spot, Lucknow, 226015, India
| | - Taruna Pandey
- Ageing Biology Lab Microbial Technology & Nematology Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Near Kukrail Picnic Spot, Lucknow, 226015, India
| | - Sachin Ranjan
- Ageing Biology Lab Microbial Technology & Nematology Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Near Kukrail Picnic Spot, Lucknow, 226015, India
| | - Mashu Trivedi
- Ageing Biology Lab Microbial Technology & Nematology Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Near Kukrail Picnic Spot, Lucknow, 226015, India
| | - Rakesh Pandey
- Ageing Biology Lab Microbial Technology & Nematology Department, CSIR-Central Institute of Medicinal and Aromatic Plants, Near Kukrail Picnic Spot, Lucknow, 226015, India.
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24
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Mitochondrial Dysfunctions: A Red Thread across Neurodegenerative Diseases. Int J Mol Sci 2020; 21:ijms21103719. [PMID: 32466216 PMCID: PMC7279270 DOI: 10.3390/ijms21103719] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2020] [Revised: 05/21/2020] [Accepted: 05/22/2020] [Indexed: 12/12/2022] Open
Abstract
Mitochondria play a central role in a plethora of processes related to the maintenance of cellular homeostasis and genomic integrity. They contribute to preserving the optimal functioning of cells and protecting them from potential DNA damage which could result in mutations and disease. However, perturbations of the system due to senescence or environmental factors induce alterations of the physiological balance and lead to the impairment of mitochondrial functions. After the description of the crucial roles of mitochondria for cell survival and activity, the core of this review focuses on the "mitochondrial switch" which occurs at the onset of neuronal degeneration. We dissect the pathways related to mitochondrial dysfunctions which are shared among the most frequent or disabling neurodegenerative diseases such as Alzheimer's, Parkinson's, and Huntington's, Amyotrophic Lateral Sclerosis, and Spinal Muscular Atrophy. Can mitochondrial dysfunctions (affecting their morphology and activities) represent the early event eliciting the shift towards pathological neurobiological processes? Can mitochondria represent a common target against neurodegeneration? We also review here the drugs that target mitochondria in neurodegenerative diseases.
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Castro-González L, Alvarez-Idaboy JR, Galano A. Computationally Designed Sesamol Derivatives Proposed as Potent Antioxidants. ACS OMEGA 2020; 5:9566-9575. [PMID: 32363309 PMCID: PMC7191856 DOI: 10.1021/acsomega.0c00898] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Accepted: 04/03/2020] [Indexed: 05/14/2023]
Abstract
Oxidative stress has been recognized to play an important role in several diseases, such as Parkinson's and Alzheimer's disease, which justifies the beneficial effects of antioxidants in ameliorating the deleterious effects of these health disorders. Sesamol, in particular, has been investigated for the treatment of several conditions because of its antioxidant properties. This article reports a rational computational design of new sesamol derivatives. They were constructed by adding four functional groups (-OH, -NH2, -COOH, and -SH) in three different positions of the sesamol molecular framework. A total of 50 derivatives between mono-, di-, and trisubstituted compounds were obtained. All the derivatives were evaluated and compared with a reference set of commercial neuroprotective drugs. The estimated properties are absorption, distribution, metabolism, excretion, toxicity, and synthetic accessibility. Selection and elimination scores were used to choose a first set of promising candidates. Acid-based properties and reactivity indexes were then estimated using the density functional theory. Four sesamol derivatives were finally selected, which are hypothesized to be potent antioxidants, even better than sesamol and Trolox for that purpose.
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Affiliation(s)
- Laura
M. Castro-González
- Departamento
de Física y Química Teórica, Facultad de Química, Universidad Nacional Autónoma de México, México DF 04510, Mexico
| | - Juan Raúl Alvarez-Idaboy
- Departamento
de Física y Química Teórica, Facultad de Química, Universidad Nacional Autónoma de México, México DF 04510, Mexico
| | - Annia Galano
- Departamento
de Química, Universidad Autónoma
Metropolitana-Iztapalapa, San Rafael Atlixco 186, Col. Vicentina. Iztapalapa. C. P., México DF 09340, Mexico
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26
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Tabassum R, Jeong NY, Jung J. Therapeutic importance of hydrogen sulfide in age-associated neurodegenerative diseases. Neural Regen Res 2020; 15:653-662. [PMID: 31638087 PMCID: PMC6975154 DOI: 10.4103/1673-5374.266911] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Hydrogen sulfide (H2S) is a gasotransmitter that acts as an antioxidant and exhibits a wide variety of cytoprotective and physiological functions in age-associated diseases. One of the major causes of age-related diseases is oxidative stress. In recent years, the importance of H2S has become clear, although its antioxidant function has not yet been fully explored. The enzymes cystathionine β-synthase, cystathionine γ-lya-se, and 3-mercaptopyruvate sulfurtransferase are involved in the enzymatic production of H2S. Previously, H2S was considered a neuromodulator, given its role in long-term hippocampal potentiation, but it is now also recognized as an antioxidant in age-related neurodegeneration. Due to aerobic metabolism, the central nervous system is vulnerable to oxidative stress in brain aging, resulting in age-associated degenerative diseases. H2S exerts its antioxidant effect by limiting free radical reactions through the activation of antioxidant enzymes, including superoxide dismutase, catalase, and glutathione peroxidase, which protect against the effects of aging by regulating apoptosis-related genes, including p53, Bax, and Bcl-2. This review explores the implications and mechanisms of H2S as an antioxidant in age-associated neurodegenerative diseases, including Alzheimer’s disease, Parkinson’s disease, Huntington’s disease, and Down syndrome.
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Affiliation(s)
- Rubaiya Tabassum
- Department of Anatomy and Cell Biology, College of Medicine; Department of Medicine, Graduate School, Dong-A University, Busan, Korea
| | - Na Young Jeong
- Department of Anatomy and Cell Biology, College of Medicine; Department of Medicine, Graduate School, Dong-A University, Busan, Korea
| | - Junyang Jung
- Department of Anatomy and Neurobiology, College of Medicine, Kyung Hee University, Seoul, Korea
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27
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Fransen M, Revenco I, Li H, Costa CF, Lismont C, Van Veldhoven PP. Peroxisomal Dysfunction and Oxidative Stress in Neurodegenerative Disease: A Bidirectional Crosstalk. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2020; 1299:19-30. [PMID: 33417204 DOI: 10.1007/978-3-030-60204-8_2] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Peroxisomes are multifunctional organelles best known for their role in cellular lipid and hydrogen peroxide metabolism. In this chapter, we review and discuss the diverse functions of this organelle in brain physiology and neurodegeneration, with a particular focus on oxidative stress. We first briefly summarize what is known about the various nexuses among peroxisomes, the central nervous system, oxidative stress, and neurodegenerative disease. Next, we provide a comprehensive overview of the complex interplay among peroxisomes, oxidative stress, and neurodegeneration in patients suffering from primary peroxisomal disorders. Particular examples that are discussed include the prototypic Zellweger spectrum disorders and X-linked adrenoleukodystrophy, the most prevalent peroxisomal disorder. Thereafter, we elaborate on secondary peroxisome dysfunction in more common neurodegenerative disorders, including Alzheimer's disease, Parkinson's disease, and multiple sclerosis. Finally, we highlight some issues and challenges that need to be addressed to progress towards therapies and prevention strategies preserving, normalizing, or improving peroxisome activity in patients suffering from neurodegenerative conditions.
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Affiliation(s)
- Marc Fransen
- Department of Cellular and Molecular Medicine, Laboratory of Lipid Biochemistry and Protein Interactions, KU Leuven, Leuven, Belgium.
| | - Iulia Revenco
- Department of Cellular and Molecular Medicine, Laboratory of Lipid Biochemistry and Protein Interactions, KU Leuven, Leuven, Belgium
| | - Hongli Li
- Department of Cellular and Molecular Medicine, Laboratory of Lipid Biochemistry and Protein Interactions, KU Leuven, Leuven, Belgium
| | - Cláudio F Costa
- Department of Cellular and Molecular Medicine, Laboratory of Lipid Biochemistry and Protein Interactions, KU Leuven, Leuven, Belgium
| | - Celien Lismont
- Department of Cellular and Molecular Medicine, Laboratory of Lipid Biochemistry and Protein Interactions, KU Leuven, Leuven, Belgium
| | - Paul P Van Veldhoven
- Department of Cellular and Molecular Medicine, Laboratory of Lipid Biochemistry and Protein Interactions, KU Leuven, Leuven, Belgium
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28
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Neuroprotective effects of protocatechuic aldehyde through PLK2/p-GSK3β/Nrf2 signaling pathway in both in vivo and in vitro models of Parkinson's disease. Aging (Albany NY) 2019; 11:9424-9441. [PMID: 31697645 PMCID: PMC6874433 DOI: 10.18632/aging.102394] [Citation(s) in RCA: 27] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2019] [Accepted: 10/21/2019] [Indexed: 12/12/2022]
Abstract
Mitochondrial dysfunction and oxidative damage are closely related to the pathogenesis of Parkinson's disease (PD). The pharmacological mechanism of protocatechuic aldehyde (PCA) for PD treatment have retained unclear. The purposes of the present study were to clarify the neuroprotective effects of post-treatment of PCA for PD treatment by mitigating mitochondrial dysfunction and oxidative damage, and to further determine whether its effects were mediated by the polo-like kinase 2/phosphorylated glycogen synthase kinase 3 β/nuclear factor erythroid-2-related factor 2 (PLK2/p-GSK3β/Nrf2) pathways. We found that PCA improved 1-methyl-4-phenyl-1, 2, 3, 6-tetrahydropyridine (MPTP)-induced behavioral deficits and dopaminergic cell loss. Moreover, PCA increased the expressions of PLK2, p-GSK3β and Nrf2, following the decrease of α-synuclein (α-Syn) in MPTP-intoxicated mice. Cell viability was increased and the apoptosis rate was reduced by PCA in 1-methyl-4-phenylpyridinium iodide (MPP+)-incubated cells. Mitochondrial membrane potential (MMP), mitochondrial complex I activity and reactive oxygen species (ROS) levels in MPP+-incubated cells were also ameliorated by treatment with PCA. The neuroprotective effects of PCA were abolished by inhibition or knockdown of PLK2, whereas overexpression of PLK2 strengthened the protection of PCA. Furthermore, GSK3β and Nrf2 were involved in PCA-induced protection. These results indicated that PCA has therapeutic effects on PD by the PLK2/p-GSK3β/Nrf2 pathway.
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29
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Lou G, Palikaras K, Lautrup S, Scheibye-Knudsen M, Tavernarakis N, Fang EF. Mitophagy and Neuroprotection. Trends Mol Med 2019; 26:8-20. [PMID: 31375365 DOI: 10.1016/j.molmed.2019.07.002] [Citation(s) in RCA: 231] [Impact Index Per Article: 46.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2019] [Revised: 06/25/2019] [Accepted: 07/03/2019] [Indexed: 12/13/2022]
Abstract
Neurodegenerative diseases are strongly age-related and currently cannot be cured, with a surge of patient numbers in the coming decades in view of the emerging worldwide ageing population, bringing healthcare and socioeconomic challenges. Effective therapies are urgently needed, and are dependent on new aetiological mechanisms. In neurons, efficient clearance of damaged mitochondria, through the highly evolutionary conserved cellular process termed mitophagy, plays a fundamental role in mitochondrial and metabolic homeostasis, energy supply, neuronal survival, and health. Conversely, defective mitophagy leads to accumulation of damaged mitochondria and cellular dysfunction, contributing to ageing and age-predisposed neurodegeneration. Here, we discuss the contribution of defective mitophagy in these diseases, and underlying molecular mechanisms, and highlight novel therapeutics based on new discovered mitophagy-inducing strategies.
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Affiliation(s)
- Guofeng Lou
- Department of Clinical Molecular Biology, University of Oslo and Akershus University Hospital, 1478 Lørenskog, Norway
| | - Konstantinos Palikaras
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Crete, Greece; Department of Basic Sciences, Faculty of Medicine, University of Crete, Heraklion, 70013, Crete, Greece
| | - Sofie Lautrup
- Department of Clinical Molecular Biology, University of Oslo and Akershus University Hospital, 1478 Lørenskog, Norway
| | - Morten Scheibye-Knudsen
- Center for Healthy Aging, Department of Cellular and Molecular Medicine, University of Copenhagen, Copenhagen, Denmark
| | - Nektarios Tavernarakis
- Institute of Molecular Biology and Biotechnology, Foundation for Research and Technology-Hellas, Crete, Greece; Department of Basic Sciences, Faculty of Medicine, University of Crete, Heraklion, 70013, Crete, Greece
| | - Evandro F Fang
- Department of Clinical Molecular Biology, University of Oslo and Akershus University Hospital, 1478 Lørenskog, Norway; The Norwegian Centre on Healthy Ageing (NO-Age), Oslo, Norway.
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