1
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Chen F, Xiao M, Hu S, Wang M. Keap1-Nrf2 pathway: a key mechanism in the occurrence and development of cancer. Front Oncol 2024; 14:1381467. [PMID: 38634043 PMCID: PMC11021590 DOI: 10.3389/fonc.2024.1381467] [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: 02/03/2024] [Accepted: 03/19/2024] [Indexed: 04/19/2024] Open
Abstract
The Keap1-Nrf2 signaling pathway is a major regulator of the cytoprotective response, participating in endogenous and exogenous stress caused by ROS (reactive oxygen species). Nrf2 is the core of this pathway. We summarized the literature on Keap1-Nrf2 signaling pathway and summarized the following three aspects: structure, function pathway, and cancer and clinical application status. This signaling pathway is similar to a double-edged sword: on the one hand, Nrf2 activity can protect cells from oxidative and electrophilic stress; on the other hand, increasing Nrf2 activity can enhance the survival and proliferation of cancer cells. Notably, oxidative stress is also considered a marker of cancer in humans. Keap1-Nrf2 signaling pathway, as a typical antioxidant stress pathway, is abnormal in a variety of human malignant tumor diseases (such as lung cancer, liver cancer, and thyroid cancer). In recent years, research on the Keap1-Nrf2 signaling pathway has become increasingly in-depth and detailed. Therefore, it is of great significance for cancer prevention and treatment to explore the molecular mechanism of the occurrence and development of this pathway.
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Affiliation(s)
- Feilong Chen
- Sports Medicine Key Laboratory of Sichuan Province, Expert Centre of Sichuan Province, Institute of Sports Medicine and Health, Chengdu Sport University, Chengdu, China
| | - Mei Xiao
- College of Bioengineering, Chongqing University, Chongqing, China
| | - Shaofan Hu
- Department of Biochemistry and Molecular Biology, Third Military Medical University (Army Medical University), Chongqing, China
| | - Meng Wang
- Department of Biochemistry and Molecular Biology, Third Military Medical University (Army Medical University), Chongqing, China
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2
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Ullah I, Uddin S, Zhao L, Wang X, Li H. Autophagy and UPS pathway contribute to nicotine-induced protection effect in Parkinson's disease. Exp Brain Res 2024:10.1007/s00221-023-06765-9. [PMID: 38430248 DOI: 10.1007/s00221-023-06765-9] [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: 10/21/2023] [Accepted: 12/11/2023] [Indexed: 03/03/2024]
Abstract
The gradual nature of age-related neurodegeneration causes Parkinson's disease (PD) and impairs movement, memory, intellectual ability, and social interaction. One of the most prevalent neurodegenerative conditions affecting the central nervous system (CNS) among the elderly is PD. PD affects both motor and cognitive functions. Degeneration of dopaminergic (DA) neurons and buildup of the protein α-synuclein (α-Syn) in the substantia nigra pars compacta (SNpc) are two major causes of this disorder. Both UPS and ALS systems serve to eliminate α-Syn. Autophagy and UPS deficits, shortened life duration, and lipofuscin buildup accelerate PD. This sickness has no cure. Innovative therapies are halting PD progression. Bioactive phytochemicals may provide older individuals with a natural substitute to help delay the onset of neurodegenerative illnesses. This study examines whether nicotine helps transgenic C. elegans PD models. According to numerous studies, nicotine enhances synaptic plasticity and dopaminergic neuronal survival. Upgrades UPS pathways, increases autophagy, and decreases oxidative stress and mitochondrial dysfunction. At 100, 150, and 200 µM nicotine levels, worms showed reduced α-Syn aggregation, repaired DA neurotoxicity after 6-OHDA intoxication, increased lifetime, and reduced lipofuscin accumulation. Furthermore, nicotine triggered autophagy and UPS. We revealed nicotine's potential as a UPS and autophagy activator to prevent PD and other neurodegenerative diseases.
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Affiliation(s)
- Inam Ullah
- School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Shahab Uddin
- School of Life Sciences, Lanzhou University, Lanzhou, China
| | - Longhe Zhao
- School of Pharmacy, Lanzhou University, Lanzhou, China
| | - Xin Wang
- School of Pharmacy, Lanzhou University, Lanzhou, China.
| | - Hongyu Li
- School of Life Sciences, Lanzhou University, Lanzhou, China.
- School of Pharmacy, Lanzhou University, Lanzhou, China.
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LaPak KM, Saeidi S, Bok I, Wamsley NT, Plutzer IB, Bhatt DP, Luo J, Ashrafi G, Major MB. Proximity proteomic analysis of the NRF family reveals the Parkinson's disease protein ZNF746/PARIS as a co-complexed repressor of NRF2. Sci Signal 2023; 16:eadi9018. [PMID: 38085818 PMCID: PMC10760916 DOI: 10.1126/scisignal.adi9018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2023] [Accepted: 11/07/2023] [Indexed: 12/18/2023]
Abstract
The nuclear factor erythroid 2-related factor 2 (NRF2) transcription factor activates cytoprotective and metabolic gene expression in response to various electrophilic stressors. Constitutive NRF2 activity promotes cancer progression, whereas decreased NRF2 function contributes to neurodegenerative diseases. We used proximity proteomic analysis to define protein networks for NRF2 and its family members NRF1, NRF3, and the NRF2 heterodimer MAFG. A functional screen of co-complexed proteins revealed previously uncharacterized regulators of NRF2 transcriptional activity. We found that ZNF746 (also known as PARIS), a zinc finger transcription factor implicated in Parkinson's disease, physically associated with NRF2 and MAFG, resulting in suppression of NRF2-driven transcription. ZNF746 overexpression increased oxidative stress and apoptosis in a neuronal cell model of Parkinson's disease, phenotypes that were reversed by chemical and genetic hyperactivation of NRF2. This study presents a functionally annotated proximity network for NRF2 and suggests a link between ZNF746 overexpression in Parkinson's disease and inhibition of NRF2-driven neuroprotection.
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Affiliation(s)
- Kyle M. LaPak
- Department of Cell Biology and Physiology, Washington University; St. Louis, MO, 63110, USA
| | - Soma Saeidi
- Department of Cell Biology and Physiology, Washington University; St. Louis, MO, 63110, USA
| | - Ilah Bok
- Department of Cell Biology and Physiology, Washington University; St. Louis, MO, 63110, USA
| | - Nathan T. Wamsley
- Department of Cell Biology and Physiology, Washington University; St. Louis, MO, 63110, USA
| | - Isaac B. Plutzer
- Department of Cell Biology and Physiology, Washington University; St. Louis, MO, 63110, USA
| | - Dhaval P. Bhatt
- Department of Cell Biology and Physiology, Washington University; St. Louis, MO, 63110, USA
| | - Jingqin Luo
- Division of Public Health Sciences, Department of Surgery, WUSM and Siteman Cancer Center Biostatistics and Qualitative Research Shared Resource, Washington University; St. Louis, MO, 63110, USA
| | - Ghazaleh Ashrafi
- Department of Cell Biology and Physiology, Washington University; St. Louis, MO, 63110, USA
- Department of Genetics, Washington University; St. Louis, MO, 63110, USA
| | - M. Ben Major
- Department of Cell Biology and Physiology, Washington University; St. Louis, MO, 63110, USA
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4
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Pan S, Wei H, Yuan S, Kong Y, Yang H, Zhang Y, Cui X, Chen W, Liu J, Zhang Y. Probiotic Pediococcus pentosaceus ameliorates MPTP-induced oxidative stress via regulating the gut microbiota–gut–brain axis. Front Cell Infect Microbiol 2022; 12:1022879. [PMID: 36439235 PMCID: PMC9682001 DOI: 10.3389/fcimb.2022.1022879] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 10/13/2022] [Indexed: 11/10/2022] Open
Abstract
Recent evidence demonstrated that functional bacteria were involved in the regulation of Parkinson’s disease (PD). However, the mechanism of probiotics in improving PD was unclear. Here the antioxidant effect and the mechanism of probiotics Pediococcus pentosaceus (PP) on PD were studied by regulating the gut–brain axis. In this study, male C57BL/6J mice were injected with 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine (MPTP) intraperitoneally to establish a PD model and were then treated with PP for 4 weeks. Subsequently, a series of neurobehavioral tests to evaluate the motor function of the mice was performed. Additionally, degeneration of dopaminergic neurons, accumulation of α-synuclein, the production of an oxidative stress response, and the expression of nuclear factor erythroid 2-related factor 2 (Nrf2) pathway-related proteins were evaluated. Moreover, the gut microbial composition and the level of metabolite γ-aminobutyric acid (GABA) were assessed. The results showed that PP treatment could improve MPTP-induced motor deficits, the degeneration of dopaminergic neurons, and the accumulation of α-synuclein. Moreover, PP treatment significantly increased the levels of SOD1, Gpx1, and Nrf2, while it decreased the levels of Keap1 in the brain of MPTP-induced mice. Notably, PP treatment improved the gut microbial dysbiosis and increased the level of GABA in MPTP-induced mice. These findings indicated that PP might represent a promising candidate, due to the metabolite of GABA, that could be used for the treatment of PD.
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Affiliation(s)
- Sipei Pan
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Hongming Wei
- Department of Geriatrics, The Second Affiliated Hospital and Yuying Children’s Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Shushu Yuan
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yu Kong
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Huiqun Yang
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Yuhe Zhang
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Xiaorui Cui
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Weian Chen
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
| | - Jiaming Liu
- Department of Preventive Medicine, School of Public Health and Management, Wenzhou Medical University, Wenzhou, Zhejiang, China
- *Correspondence: Jiaming Liu, ; Yang Zhang,
| | - Yang Zhang
- Department of Neurology, The First Affiliated Hospital of Wenzhou Medical University, Wenzhou, Zhejiang, China
- *Correspondence: Jiaming Liu, ; Yang Zhang,
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5
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Królicka E, Kieć-Kononowicz K, Łażewska D. Chalcones as Potential Ligands for the Treatment of Parkinson's Disease. Pharmaceuticals (Basel) 2022; 15:ph15070847. [PMID: 35890146 PMCID: PMC9317344 DOI: 10.3390/ph15070847] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2022] [Revised: 07/06/2022] [Accepted: 07/07/2022] [Indexed: 12/16/2022] Open
Abstract
Along with the increase in life expectancy, a significant increase of people suffering from neurodegenerative diseases (ND) has been noticed. The second most common ND, after Alzheimer’s disease, is Parkinson’s disease (PD), which manifests itself with a number of motor and non-motor symptoms that hinder the patient’s life. Current therapies can only alleviate those symptoms and slow down the progression of the disease, but not effectively cure it. So now, in addition to understanding the mechanism and causes of PD, it is also important to find a powerful way of treatment. It has been proved that in the etiology and course of PD, the essential roles are played by dopamine (DA) (an important neurotransmitter), enzymes regulating its level (e.g., COMT, MAO), and oxidative stress leading to neuroinflammation. Chalcones, due to their “simple” structure and valuable biological properties are considered as promising candidates for treatment of ND, also including PD. Here, we provide a comprehensive review of chalcones and related structures as potential new therapeutics for cure and prevention of PD. For this purpose, three databases (Pubmed, Scopus and Web of Science) were searched to collect articles published during the last 5 years (January 2018–February 2022). Chalcones have been described as promising enzyme inhibitors (MAO B, COMT, AChE), α-synuclein imaging probes, showing anti-neuroinflammatory activity (inhibition of iNOS or activation of Nrf2 signaling), as well as antagonists of adenosine A1 and/or A2A receptors. This review focused on the structure–activity relationships of these compounds to determine how a particular substituent or its position in the chalcone ring(s) (ring A and/or B) affects biological activity.
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6
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The Anti-Parkinson Potential of Gingko biloba-Supplement Mitigates Cortico-Cerebellar Degeneration and Neuropathobiological Alterations via Inflammatory and Apoptotic Mediators in Mice. Neurochem Res 2022; 47:2211-2229. [DOI: 10.1007/s11064-022-03600-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2022] [Revised: 03/28/2022] [Accepted: 04/05/2022] [Indexed: 10/18/2022]
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7
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Ashok A, Andrabi SS, Mansoor S, Kuang Y, Kwon BK, Labhasetwar V. Antioxidant Therapy in Oxidative Stress-Induced Neurodegenerative Diseases: Role of Nanoparticle-Based Drug Delivery Systems in Clinical Translation. Antioxidants (Basel) 2022; 11:antiox11020408. [PMID: 35204290 PMCID: PMC8869281 DOI: 10.3390/antiox11020408] [Citation(s) in RCA: 40] [Impact Index Per Article: 20.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 02/02/2022] [Accepted: 02/05/2022] [Indexed: 02/04/2023] Open
Abstract
Free radicals are formed as a part of normal metabolic activities but are neutralized by the endogenous antioxidants present in cells/tissue, thus maintaining the redox balance. This redox balance is disrupted in certain neuropathophysiological conditions, causing oxidative stress, which is implicated in several progressive neurodegenerative diseases. Following neuronal injury, secondary injury progression is also caused by excessive production of free radicals. Highly reactive free radicals, mainly the reactive oxygen species (ROS) and reactive nitrogen species (RNS), damage the cell membrane, proteins, and DNA, which triggers a self-propagating inflammatory cascade of degenerative events. Dysfunctional mitochondria under oxidative stress conditions are considered a key mediator in progressive neurodegeneration. Exogenous delivery of antioxidants holds promise to alleviate oxidative stress to regain the redox balance. In this regard, natural and synthetic antioxidants have been evaluated. Despite promising results in preclinical studies, clinical translation of antioxidants as a therapy to treat neurodegenerative diseases remains elusive. The issues could be their low bioavailability, instability, limited transport to the target tissue, and/or poor antioxidant capacity, requiring repeated and high dosing, which cannot be administered to humans because of dose-limiting toxicity. Our laboratory is investigating nanoparticle-mediated delivery of antioxidant enzymes to address some of the above issues. Apart from being endogenous, the main advantage of antioxidant enzymes is their catalytic mechanism of action; hence, they are significantly more effective at lower doses in detoxifying the deleterious effects of free radicals than nonenzymatic antioxidants. This review provides a comprehensive analysis of the potential of antioxidant therapy, challenges in their clinical translation, and the role nanoparticles/drug delivery systems could play in addressing these challenges.
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Affiliation(s)
- Anushruti Ashok
- Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (A.A.); (S.S.A.); (S.M.); (Y.K.)
| | - Syed Suhail Andrabi
- Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (A.A.); (S.S.A.); (S.M.); (Y.K.)
| | - Saffar Mansoor
- Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (A.A.); (S.S.A.); (S.M.); (Y.K.)
| | - Youzhi Kuang
- Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (A.A.); (S.S.A.); (S.M.); (Y.K.)
| | - Brian K. Kwon
- Department of Orthopaedics, Faculty of Medicine, University of British Columbia, Vancouver, BC V5Z 1M9, Canada;
| | - Vinod Labhasetwar
- Biomedical Engineering, Lerner Research Institute, Cleveland Clinic, Cleveland, OH 44195, USA; (A.A.); (S.S.A.); (S.M.); (Y.K.)
- Correspondence:
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8
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Cui Y, Xiong Y, Li H, Zeng M, Wang Y, Li Y, Zou X, Lv W, Gao J, Cao R, Meng L, Long J, Liu J, Feng Z. Chalcone-Derived Nrf2 Activator Protects Cognitive Function via Maintaining Neuronal Redox Status. Antioxidants (Basel) 2021; 10:antiox10111811. [PMID: 34829682 PMCID: PMC8615013 DOI: 10.3390/antiox10111811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2021] [Revised: 11/04/2021] [Accepted: 11/11/2021] [Indexed: 12/05/2022] Open
Abstract
NF-E2-related factor 2 (Nrf2), the key transcription regulator of phase II enzymes, has been considered beneficial for neuronal protection. We previously designed a novel chalcone analog, 1-(2,3,4-trimethoxyphenyl)-2-(3,4,5-trimethoxyphenyl)-acrylketone (Tak), that could specifically activate Nrf2 in vitro. Here, we report that Tak confers significant hippocampal neuronal protection both in vitro and in vivo. Treatment with Tak has no significant toxicity on cultured neuronal cells. Instead, Tak increases cellular ATP production by increasing mitochondrial function and decreases the levels of reactive oxygen species by activating Nrf2-mediated phase II enzyme expression. Tak pretreatment prevents glutamate-induced excitotoxic neuronal death accompanied by suppressed mitochondrial respiration, increased superoxide production, and activation of apoptosis. Further investigation indicates that the protective effect of Tak is mediated by the Akt signaling pathway. Meanwhile, Tak administration in mice can sufficiently abrogate scopolamine-induced cognitive impairment via decreasing hippocampal oxidative stress. In addition, consistent benefits are also observed in an energy stress mouse model under a high-fat diet, as the administration of Tak remarkably increases Akt signaling-mediated antioxidative enzyme expression and prevents hippocampal neuronal apoptosis without significant effect on the mouse metabolic status. Overall, our study demonstrates that Tak protects cognitive function by Akt-mediated Nrf2 activation to maintain redox status both vivo and in vitro, suggesting that Tak is a promising pharmacological candidate for the treatment of oxidative neuronal diseases.
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Affiliation(s)
- Yuting Cui
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (Y.C.); (Y.X.); (H.L.); (M.Z.); (Y.W.); (W.L.); (J.G.); (J.L.)
| | - Yue Xiong
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (Y.C.); (Y.X.); (H.L.); (M.Z.); (Y.W.); (W.L.); (J.G.); (J.L.)
| | - Hua Li
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (Y.C.); (Y.X.); (H.L.); (M.Z.); (Y.W.); (W.L.); (J.G.); (J.L.)
| | - Mengqi Zeng
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (Y.C.); (Y.X.); (H.L.); (M.Z.); (Y.W.); (W.L.); (J.G.); (J.L.)
| | - Yan Wang
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (Y.C.); (Y.X.); (H.L.); (M.Z.); (Y.W.); (W.L.); (J.G.); (J.L.)
| | - Yuan Li
- Institute of Basic Medical Science, Xi’an Medical University, Xi’an 710021, China;
| | - Xuan Zou
- National and Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital of Xi’an Jiaotong University, Shannxi 710004, China;
- Shaanxi Provincial Clinical Research Center for Hepatic and Splenic Diseases, The Second Affiliated Hospital of Xi’an Jiaotong University, Shannxi 710004, China
| | - Weiqiang Lv
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (Y.C.); (Y.X.); (H.L.); (M.Z.); (Y.W.); (W.L.); (J.G.); (J.L.)
| | - Jing Gao
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (Y.C.); (Y.X.); (H.L.); (M.Z.); (Y.W.); (W.L.); (J.G.); (J.L.)
| | - Ruijun Cao
- MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, School of Science, Xi’an Jiaotong University, Xi’an 710049, China; (R.C.); (L.M.)
| | - Lingjie Meng
- MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, School of Science, Xi’an Jiaotong University, Xi’an 710049, China; (R.C.); (L.M.)
| | - Jiangang Long
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (Y.C.); (Y.X.); (H.L.); (M.Z.); (Y.W.); (W.L.); (J.G.); (J.L.)
| | - Jiankang Liu
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China; (Y.C.); (Y.X.); (H.L.); (M.Z.); (Y.W.); (W.L.); (J.G.); (J.L.)
- University of Health and Rehabilitation Sciences, Qingdao 266071, China
- Correspondence: (J.L.); (Z.F.)
| | - Zhihui Feng
- National and Local Joint Engineering Research Center of Biodiagnosis and Biotherapy, The Second Affiliated Hospital of Xi’an Jiaotong University, Shannxi 710004, China;
- Frontier Institute of Science and Technology, Xi’an Jiaotong University, Xi’an 710049, China
- Correspondence: (J.L.); (Z.F.)
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Parga JA, Rodriguez-Perez AI, Garcia-Garrote M, Rodriguez-Pallares J, Labandeira-Garcia JL. NRF2 Activation and Downstream Effects: Focus on Parkinson's Disease and Brain Angiotensin. Antioxidants (Basel) 2021; 10:antiox10111649. [PMID: 34829520 PMCID: PMC8614768 DOI: 10.3390/antiox10111649] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2021] [Revised: 10/17/2021] [Accepted: 10/18/2021] [Indexed: 12/18/2022] Open
Abstract
Reactive oxygen species (ROS) are signalling molecules used to regulate cellular metabolism and homeostasis. However, excessive ROS production causes oxidative stress, one of the main mechanisms associated with the origin and progression of neurodegenerative disorders such as Parkinson's disease. NRF2 (Nuclear Factor-Erythroid 2 Like 2) is a transcription factor that orchestrates the cellular response to oxidative stress. The regulation of NRF2 signalling has been shown to be a promising strategy to modulate the progression of the neurodegeneration associated to Parkinson's disease. The NRF2 pathway has been shown to be affected in patients with this disease, and activation of NRF2 has neuroprotective effects in preclinical models, demonstrating the therapeutic potential of this pathway. In this review, we highlight recent advances regarding the regulation of NRF2, including the effect of Angiotensin II as an endogenous signalling molecule able to regulate ROS production and oxidative stress in dopaminergic neurons. The genes regulated and the downstream effects of activation, with special focus on Kruppel Like Factor 9 (KLF9) transcription factor, provide clues about the mechanisms involved in the neurodegenerative process as well as future therapeutic approaches.
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Affiliation(s)
- Juan A. Parga
- Research Center for Molecular Medicine and Chronic Diseases (CIMUS), IDIS, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (A.I.R.-P.); (M.G.-G.); (J.R.-P.)
- Networking Research Center on Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain
- Laboratory of Cellular and Molecular Neurobiology of Parkinson’s Disease, CIMUS, Department of Morphological Sciences, University of Santiago de Compostela, R/ San Francisco s/n, 15782 Santiago de Compostela, Spain
- Correspondence: (J.A.P.); (J.L.L.-G.)
| | - Ana I. Rodriguez-Perez
- Research Center for Molecular Medicine and Chronic Diseases (CIMUS), IDIS, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (A.I.R.-P.); (M.G.-G.); (J.R.-P.)
- Networking Research Center on Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain
- Laboratory of Cellular and Molecular Neurobiology of Parkinson’s Disease, CIMUS, Department of Morphological Sciences, University of Santiago de Compostela, R/ San Francisco s/n, 15782 Santiago de Compostela, Spain
| | - Maria Garcia-Garrote
- Research Center for Molecular Medicine and Chronic Diseases (CIMUS), IDIS, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (A.I.R.-P.); (M.G.-G.); (J.R.-P.)
- Networking Research Center on Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain
- Laboratory of Cellular and Molecular Neurobiology of Parkinson’s Disease, CIMUS, Department of Morphological Sciences, University of Santiago de Compostela, R/ San Francisco s/n, 15782 Santiago de Compostela, Spain
| | - Jannette Rodriguez-Pallares
- Research Center for Molecular Medicine and Chronic Diseases (CIMUS), IDIS, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (A.I.R.-P.); (M.G.-G.); (J.R.-P.)
- Networking Research Center on Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain
- Laboratory of Cellular and Molecular Neurobiology of Parkinson’s Disease, CIMUS, Department of Morphological Sciences, University of Santiago de Compostela, R/ San Francisco s/n, 15782 Santiago de Compostela, Spain
| | - Jose L. Labandeira-Garcia
- Research Center for Molecular Medicine and Chronic Diseases (CIMUS), IDIS, University of Santiago de Compostela, 15782 Santiago de Compostela, Spain; (A.I.R.-P.); (M.G.-G.); (J.R.-P.)
- Networking Research Center on Neurodegenerative Diseases (CIBERNED), 28031 Madrid, Spain
- Laboratory of Cellular and Molecular Neurobiology of Parkinson’s Disease, CIMUS, Department of Morphological Sciences, University of Santiago de Compostela, R/ San Francisco s/n, 15782 Santiago de Compostela, Spain
- Correspondence: (J.A.P.); (J.L.L.-G.)
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10
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Inhibition of Ceramide Synthesis Reduces α-Synuclein Proteinopathy in a Cellular Model of Parkinson's Disease. Int J Mol Sci 2021; 22:ijms22126469. [PMID: 34208778 PMCID: PMC8234676 DOI: 10.3390/ijms22126469] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2021] [Revised: 06/08/2021] [Accepted: 06/10/2021] [Indexed: 12/13/2022] Open
Abstract
Parkinson’s disease (PD) is a proteinopathy associated with the aggregation of α-synuclein and the formation of lipid–protein cellular inclusions, named Lewy bodies (LBs). LB formation results in impaired neurotransmitter release and uptake, which involve membrane traffic and require lipid synthesis and metabolism. Lipids, particularly ceramides, are accumulated in postmortem PD brains and altered in the plasma of PD patients. Autophagy is impaired in PD, reducing the ability of neurons to clear protein aggregates, thus worsening stress conditions and inducing neuronal death. The inhibition of ceramide synthesis by myriocin (Myr) in SH-SY5Y neuronal cells treated with preformed α-synuclein fibrils reduced intracellular aggregates, favoring their sequestration into lysosomes. This was associated with TFEB activation, increased expression of TFEB and LAMP2, and the cytosolic accumulation of LC3II, indicating that Myr promotes autophagy. Myr significantly reduces the fibril-related production of inflammatory mediators and lipid peroxidation and activates NRF2, which is downregulated in PD. Finally, Myr enhances the expression of genes that control neurotransmitter transport (SNARE complex, VMAT2, and DAT), whose progressive deficiency occurs in PD neurodegeneration. The present study suggests that counteracting the accumulation of inflammatory lipids could represent a possible therapeutic strategy for PD.
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Oxidative Stress in Parkinson's Disease: Potential Benefits of Antioxidant Supplementation. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2020; 2020:2360872. [PMID: 33101584 PMCID: PMC7576349 DOI: 10.1155/2020/2360872] [Citation(s) in RCA: 63] [Impact Index Per Article: 15.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Revised: 09/06/2020] [Accepted: 09/21/2020] [Indexed: 12/11/2022]
Abstract
Parkinson's disease (PD) occurs in approximately 1% of the population over 65 years of age and has become increasingly more common with advances in age. The number of individuals older than 60 years has been increasing in modern societies, as well as life expectancy in developing countries; therefore, PD may pose an impact on the economic, social, and health structures of these countries. Oxidative stress is highlighted as an important factor in the genesis of PD, involving several enzymes and signaling molecules in the underlying mechanisms of the disease. This review presents updated data on the involvement of oxidative stress in the disease, as well as the use of antioxidant supplements in its therapy.
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Bento-Pereira C, Dinkova-Kostova AT. Activation of transcription factor Nrf2 to counteract mitochondrial dysfunction in Parkinson's disease. Med Res Rev 2020; 41:785-802. [PMID: 32681666 DOI: 10.1002/med.21714] [Citation(s) in RCA: 40] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/07/2020] [Revised: 06/29/2020] [Accepted: 07/06/2020] [Indexed: 12/20/2022]
Abstract
Parkinson's disease (PD) is a progressive neurodegenerative disorder, for which no disease-modifying therapies are available to date. Although understanding of the precise aetiology of PD is incomplete, it is clear that age, genetic predisposition and environmental stressors increase the risk. At the cellular level, oxidative stress, chronic neuroinflammation, mitochondrial dysfunction and aberrant protein aggregation have been implicated as contributing factors. These detrimental processes are counteracted by elaborate networks of cellular defence mechanisms, one of which is orchestrated by transcription factor nuclear factor-erythroid 2 p45-related factor 2 (Nrf2; gene name NFE2L2). A wealth of preclinical evidence suggests that Nrf2 activation is beneficial in cellular and animal models of PD. In this review, we summarise the current understanding of mitochondrial dysfunction in PD, the role of Nrf2 in mitochondrial function and explore the potential of Nrf2 as a therapeutic target for mitochondrial dysfunction in PD.
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Affiliation(s)
- Claudia Bento-Pereira
- Division of Cellular Medicine, School of Medicine, Jacqui Wood Cancer Centre, University of Dundee, Dundee, Scotland, UK
| | - Albena T Dinkova-Kostova
- Division of Cellular Medicine, School of Medicine, Jacqui Wood Cancer Centre, University of Dundee, Dundee, Scotland, UK.,Departments of Medicine and Pharmacology and Molecular Sciences, Johns Hopkins University School of Medicine, Baltimore, Maryland, USA
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Sirota TV. A Chain Reaction of Adrenaline Autoxidation is a Model of Quinoid Oxidation of Catecholamines. Biophysics (Nagoya-shi) 2020. [DOI: 10.1134/s0006350920040223] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023] Open
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Lee JA, Kim HR, Son HJ, Shin N, Han SH, Cheong CS, Kim DJ, Hwang O. A novel pyrazolo [3,4-d] pyrimidine, KKC080106, activates the Nrf2 pathway and protects nigral dopaminergic neurons. Exp Neurol 2020; 332:113387. [PMID: 32580013 DOI: 10.1016/j.expneurol.2020.113387] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 05/20/2020] [Accepted: 06/18/2020] [Indexed: 11/26/2022]
Abstract
The transcription factor nuclear factor-erythroid 2-related factor-2 (Nrf2) is known to induce neuroprotective and anti-inflammatory effects and is considered to be an excellent molecular target for drugs related to neurodegenerative disease therapy. Nrf2 activators previously tested in clinical trials were electrophilic, causing adverse effects due to non-selective and covalent modification of cellular thiols. In order to circumvent this issue, we constructed and screened a chemical library consisting of 241 pyrazolo [3,4-d] pyrimidine derivatives and discovered a novel, non-electrophilic compound: 1-benzyl-6-(methylthio)-N-(1-phenylethyl)-1H-pyrazolo[3,4-d]pyrimidine-4-amine (KKC080106). KKC080106 was able to activate Nrf2 signaling as it increases the cellular levels of Nrf2, binds to the Nrf2 inhibitor protein Keap1, and causes the accumulation of nuclear Nrf2. We also observed an increase in the expression levels of Nrf2-dependent genes for antioxidative/neuroprotective enzymes in dopaminergic neuronal cells. In addition, in lipopolysaccharide-activated microglia, KKC080106 suppressed the generation of the proinflammatory markers, such as IL-1β, TNF-α, cyclooxygenase-2, inducible nitric oxide synthase, and nitric oxide, and inhibited the phosphorylation of kinases known to be involved in inflammatory signaling, such as IκB kinase, p38, JNK, and ERK. As a drug, KKC080106 exhibited excellent stability against plasma enzymes and a good safety profile, evidenced by no mortality after the administration of 2000 mg/kg body weight, and minimal inhibition of the hERG channel activity. Pharmacokinetic analysis revealed that KKC080106 has good bioavailability and enters the brain after oral and intravenous administration, in both rats and mice. In MPTP-treated mice that received KKC080106 orally, the compound blocked microglial activation, protected the nigral dopaminergic neurons from degeneration, and prevented development of the dopamine deficiency-related motor deficits. These results suggest that KKC080106 has therapeutic potential for neurodegenerative disorders such as Parkinson's disease.
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Affiliation(s)
- Ji Ae Lee
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul, South Korea
| | - Hye Ri Kim
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul, South Korea
| | - Hyo Jin Son
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul, South Korea
| | - Nari Shin
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul, South Korea
| | - Se Hee Han
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul, South Korea
| | - Chan Seong Cheong
- Center for Neuro-Medicine, Brain Science Institute, Korea Institute of Science and Technology, Seoul, South Korea
| | - Dong Jin Kim
- Center for Neuro-Medicine, Brain Science Institute, Korea Institute of Science and Technology, Seoul, South Korea.
| | - Onyou Hwang
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul, South Korea.
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Teil M, Arotcarena ML, Faggiani E, Laferriere F, Bezard E, Dehay B. Targeting α-synuclein for PD Therapeutics: A Pursuit on All Fronts. Biomolecules 2020; 10:biom10030391. [PMID: 32138193 PMCID: PMC7175302 DOI: 10.3390/biom10030391] [Citation(s) in RCA: 36] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2020] [Revised: 02/26/2020] [Accepted: 02/29/2020] [Indexed: 12/15/2022] Open
Abstract
Parkinson's Disease (PD) is characterized both by the loss of dopaminergic neurons in the substantia nigra and the presence of cytoplasmic inclusions called Lewy Bodies. These Lewy Bodies contain the aggregated α-synuclein (α-syn) protein, which has been shown to be able to propagate from cell to cell and throughout different regions in the brain. Due to its central role in the pathology and the lack of a curative treatment for PD, an increasing number of studies have aimed at targeting this protein for therapeutics. Here, we reviewed and discussed the many different approaches that have been studied to inhibit α-syn accumulation via direct and indirect targeting. These analyses have led to the generation of multiple clinical trials that are either completed or currently active. These clinical trials and the current preclinical studies must still face obstacles ahead, but give hope of finding a therapy for PD with time.
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Affiliation(s)
- Margaux Teil
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France; (M.T.); (M.-L.A.); (E.F.); (F.L.); (E.B.)
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - Marie-Laure Arotcarena
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France; (M.T.); (M.-L.A.); (E.F.); (F.L.); (E.B.)
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - Emilie Faggiani
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France; (M.T.); (M.-L.A.); (E.F.); (F.L.); (E.B.)
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - Florent Laferriere
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France; (M.T.); (M.-L.A.); (E.F.); (F.L.); (E.B.)
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - Erwan Bezard
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France; (M.T.); (M.-L.A.); (E.F.); (F.L.); (E.B.)
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
| | - Benjamin Dehay
- Univ. de Bordeaux, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France; (M.T.); (M.-L.A.); (E.F.); (F.L.); (E.B.)
- CNRS, Institut des Maladies Neurodégénératives, UMR 5293, F-33000 Bordeaux, France
- Correspondence:
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Marchetti B, Tirolo C, L'Episcopo F, Caniglia S, Testa N, Smith JA, Pluchino S, Serapide MF. Parkinson's disease, aging and adult neurogenesis: Wnt/β-catenin signalling as the key to unlock the mystery of endogenous brain repair. Aging Cell 2020; 19:e13101. [PMID: 32050297 PMCID: PMC7059166 DOI: 10.1111/acel.13101] [Citation(s) in RCA: 96] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2019] [Revised: 11/27/2019] [Accepted: 12/25/2019] [Indexed: 12/14/2022] Open
Abstract
A common hallmark of age-dependent neurodegenerative diseases is an impairment of adult neurogenesis. Wingless-type mouse mammary tumor virus integration site (Wnt)/β-catenin (WβC) signalling is a vital pathway for dopaminergic (DAergic) neurogenesis and an essential signalling system during embryonic development and aging, the most critical risk factor for Parkinson's disease (PD). To date, there is no known cause or cure for PD. Here we focus on the potential to reawaken the impaired neurogenic niches to rejuvenate and repair the aged PD brain. Specifically, we highlight WβC-signalling in the plasticity of the subventricular zone (SVZ), the largest germinal region in the mature brain innervated by nigrostriatal DAergic terminals, and the mesencephalic aqueduct-periventricular region (Aq-PVR) Wnt-sensitive niche, which is in proximity to the SNpc and harbors neural stem progenitor cells (NSCs) with DAergic potential. The hallmark of the WβC pathway is the cytosolic accumulation of β-catenin, which enters the nucleus and associates with T cell factor/lymphoid enhancer binding factor (TCF/LEF) transcription factors, leading to the transcription of Wnt target genes. Here, we underscore the dynamic interplay between DAergic innervation and astroglial-derived factors regulating WβC-dependent transcription of key genes orchestrating NSC proliferation, survival, migration and differentiation. Aging, inflammation and oxidative stress synergize with neurotoxin exposure in "turning off" the WβC neurogenic switch via down-regulation of the nuclear factor erythroid-2-related factor 2/Wnt-regulated signalosome, a key player in the maintenance of antioxidant self-defense mechanisms and NSC homeostasis. Harnessing WβC-signalling in the aged PD brain can thus restore neurogenesis, rejuvenate the microenvironment, and promote neurorescue and regeneration.
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Affiliation(s)
- Bianca Marchetti
- Department of Biomedical and Biotechnological Sciences (BIOMETEC)Pharmacology and Physiology SectionsMedical SchoolUniversity of CataniaCataniaItaly
- Neuropharmacology SectionOASI Research Institute‐IRCCSTroinaItaly
| | - Cataldo Tirolo
- Neuropharmacology SectionOASI Research Institute‐IRCCSTroinaItaly
| | | | | | - Nunzio Testa
- Neuropharmacology SectionOASI Research Institute‐IRCCSTroinaItaly
| | - Jayden A. Smith
- Department of Clinical Neurosciences and NIHR Biomedical Research CentreUniversity of CambridgeCambridgeUK
| | - Stefano Pluchino
- Department of Clinical Neurosciences and NIHR Biomedical Research CentreUniversity of CambridgeCambridgeUK
| | - Maria F. Serapide
- Department of Biomedical and Biotechnological Sciences (BIOMETEC)Pharmacology and Physiology SectionsMedical SchoolUniversity of CataniaCataniaItaly
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17
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Cui Y, Li Y, Huang N, Xiong Y, Cao R, Meng L, Liu J, Feng Z. Structure based modification of chalcone analogue activates Nrf2 in the human retinal pigment epithelial cell line ARPE-19. Free Radic Biol Med 2020; 148:52-59. [PMID: 31887452 DOI: 10.1016/j.freeradbiomed.2019.12.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/30/2019] [Revised: 12/19/2019] [Accepted: 12/23/2019] [Indexed: 12/27/2022]
Abstract
Oxidative stress-induced degeneration of retinal pigment epithelial (RPE) cells is known to be a key contributor to the development of age-related macular degeneration (AMD). Activation of the nuclear factor-(erythroid-derived 2)-related factor-2 (Nrf2)-mediated cellular defense system is believed to be a valid therapeutic approach. In the present study, we designed and synthesized a novel chalcone analogue, 1-(2,3,4-trimethoxyphenyl)-2-(3,4,5-trimethoxyphenyl)-acrylketone (Tak), as a Nrf2 activator. The potency of Tak was measured in RPE cells by the induction of the Nrf2-dependent antioxidant genes HO-1, NQO-1, GCLc, and GCLm, which were regulated through the Erk pathway. We also showed that Tak could protect RPE cells against oxidative stress-induced cell death and mitochondrial dysfunction. Furthermore, by modifying the α, β unsaturated carbonyl entity in Tak, we showed that the induction of antioxidant genes was abolished, indicating that this unique feature in Tak was responsible for the Nrf2 activation. These results suggest that Tak is a potential candidate for clinical application against AMD.
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Affiliation(s)
- Yuting Cui
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yuan Li
- Institute of Basic Medical Science, Xi'an Medical University, Xi'an, 710021, PR China
| | - Na Huang
- School of Science, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Yue Xiong
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Ruijun Cao
- School of Science, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Lingjie Meng
- School of Science, MOE Key Laboratory for Nonequilibrium Synthesis and Modulation of Condensed Matter, Xi'an Jiaotong University, Xi'an, 710049, China
| | - Jiankang Liu
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China.
| | - Zhihui Feng
- Center for Mitochondrial Biology and Medicine, The Key Laboratory of Biomedical Information Engineering of Ministry of Education, School of Life Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China; Frontier Institute of Science and Technology, Xi'an Jiaotong University, Xi'an, 710049, China.
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18
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A novel chalcone derivative as Nrf2 activator attenuates learning and memory impairment in a scopolamine-induced mouse model. Eur J Med Chem 2020; 185:111777. [DOI: 10.1016/j.ejmech.2019.111777] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2019] [Revised: 10/01/2019] [Accepted: 10/09/2019] [Indexed: 01/06/2023]
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19
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Lee JA, Kim DJ, Hwang O. KMS99220 Exerts Anti-Inflammatory Effects, Activates the Nrf2 Signaling and Interferes with IKK, JNK and p38 MAPK via HO-1. Mol Cells 2019; 42:702-710. [PMID: 31656063 PMCID: PMC6821456 DOI: 10.14348/molcells.2019.0129] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 09/10/2019] [Accepted: 09/23/2019] [Indexed: 02/07/2023] Open
Abstract
Neuroinflammation is an important contributor to the pathogenesis of neurodegenerative disorders including Parkinson's disease (PD). We previously reported that our novel synthetic compound KMS99220 has a good pharmacokinetic profile, enters the brain, exerts neuroprotective effect, and inhibits NFκB activation. To further assess the utility of KMS99220 as a potential therapeutic agent for PD, we tested whether KMS99220 exerts an anti-inflammatory effect in vivo and examined the molecular mechanism mediating this phenomenon. In 1-methyl-4-phenyl-1,2,3,6-tetrahydropyridine-treated mice, oral administration of KMS99220 attenuated microglial activation and decreased the levels of inducible nitric oxide synthase and interleukin 1 beta (IL-1b) in the nigrostriatal system. In lipopolysaccharide (LPS)-challenged BV-2 microglial cells, KMS99220 suppressed the production and expression of IL-1b. In the activated microglia, KMS99220 reduced the phosphorylation of IκB kinase, c-Jun N-terminal kinase, and p38 MAP kinase; this effect was mediated by heme oxygenase-1 (HO-1), as both gene silencing and pharmacological inhibition of HO-1 abolished the effect of KMS99220. KMS99220 induced nuclear translocation of the transcription factor Nrf2 and expression of the Nrf2 target genes including HO-1. Together with our earlier findings, our current results show that KMS99220 may be a potential therapeutic agent for neuroinflammation-related neurodegenerative diseases such as PD.
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Affiliation(s)
- Ji Ae Lee
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505,
Korea
| | - Dong Jin Kim
- Center for Neuro-Medicine, Brain Science Institute, Korea Institute of Science and Technology, Seoul 02792,
Korea
| | - Onyou Hwang
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505,
Korea
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20
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Sirota TV. [Effect of the sulfur-containing compounds on the quinoid process of adrenaline autoxidation; potential neuroprotectors]. BIOMEDIT︠S︡INSKAI︠A︡ KHIMII︠A︡ 2019; 65:316-323. [PMID: 31436173 DOI: 10.18097/pbmc20196504316] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
The superoxide-generating reaction of adrenaline autoxidation in an alkaline medium, used in vitro to identify the antioxidant properties of various compounds, simulates the complex multistep process of quinoid oxidation of catecholamines (CA) in the body. Sulfur-containing cysteine (Cys) and reduced glutathione (GSH), as well as oxidized glutathione (GSSG), have been shown to inhibit this process. The studied substances were considered as inhibitors of quinoid oxidation and are evaluated as antioxidants. The IC50 values for Cys and GSH were close to 7.5 mM. Inhibition by GSSG was weaker; represented approximately 50-70% of Cys and GSH. Other sulfur-containing compounds that differ in chemical structure, the amino acids taurine and methionine were ineffective. The interest in this model and the search for effective compounds acting on this reaction is associated with one of the mechanisms of the etiopathogenesis of Parkinson's disease (PD) discussed in the literature, which occurs when the biochemical transformations of dopamine CA and its quinoid oxidation process are violated. Cys, GSH and GSSG in the model system inhibit quinoid oxidation of adrenaline, as a result of which the formation of superoxide (O2 ·-) is also inhibited. Experiments with the superoxide-generating enzymatic reaction xanthine xanthioxidase, the chemistry of which is different and not related to formation of quinoid metabolites, showed that the studied substances did not inhibit O2 ·- formation in this model. Thus, it was established that the biologically active sulfur-containing compounds Cys, GSH and GSSG are specific inhibitors of quinoid oxidation of CA, and are likely to be able to play the role of a neuroprotector. It is proposed to use these compounds in the treatment and prevention of PD by activating their biosynthesis in the body.
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Affiliation(s)
- T V Sirota
- Institute of Theoretical and Experimental Biophysics, Russian Academy of Sciences, Pushchino, Moscow region, Russia
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Choi JW, Kim S, Park JH, Kim HJ, Shin SJ, Kim JW, Woo SY, Lee C, Han SM, Lee J, Pae AN, Han G, Park KD. Optimization of Vinyl Sulfone Derivatives as Potent Nuclear Factor Erythroid 2-Related Factor 2 (Nrf2) Activators for Parkinson’s Disease Therapy. J Med Chem 2018; 62:811-830. [DOI: 10.1021/acs.jmedchem.8b01527] [Citation(s) in RCA: 39] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Affiliation(s)
- Ji Won Choi
- Convergence Research Center for Diagnosis, Treatment & Care System of Dementia, Korea Institute of Science & Technology (KIST), Seoul 02792, Republic of Korea
| | - Siwon Kim
- Convergence Research Center for Diagnosis, Treatment & Care System of Dementia, Korea Institute of Science & Technology (KIST), Seoul 02792, Republic of Korea
- Division of Bio-Med Science & Technology, KIST School, Korea University of Science and Technology, Seoul 02792, Republic of Korea
| | - Jong-Hyun Park
- Convergence Research Center for Diagnosis, Treatment & Care System of Dementia, Korea Institute of Science & Technology (KIST), Seoul 02792, Republic of Korea
| | - Hyeon Jeong Kim
- Convergence Research Center for Diagnosis, Treatment & Care System of Dementia, Korea Institute of Science & Technology (KIST), Seoul 02792, Republic of Korea
- Department of Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Su Jeong Shin
- Convergence Research Center for Diagnosis, Treatment & Care System of Dementia, Korea Institute of Science & Technology (KIST), Seoul 02792, Republic of Korea
| | - Jin Woo Kim
- Convergence Research Center for Diagnosis, Treatment & Care System of Dementia, Korea Institute of Science & Technology (KIST), Seoul 02792, Republic of Korea
| | - Seo Yeon Woo
- Convergence Research Center for Diagnosis, Treatment & Care System of Dementia, Korea Institute of Science & Technology (KIST), Seoul 02792, Republic of Korea
| | - Changho Lee
- Division of Functional Food Research, Korea Food Research Institute, Wanju-gun, Jeollabuk-do 55365, Republic of Korea
| | - Sang Moon Han
- Doping Control Center, KIST, Seoul 02792, Republic of Korea
| | - Jaeick Lee
- Doping Control Center, KIST, Seoul 02792, Republic of Korea
| | - Ae Nim Pae
- Convergence Research Center for Diagnosis, Treatment & Care System of Dementia, Korea Institute of Science & Technology (KIST), Seoul 02792, Republic of Korea
- Division of Bio-Med Science & Technology, KIST School, Korea University of Science and Technology, Seoul 02792, Republic of Korea
- KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul 02447, Republic of Korea
| | - Gyoonhee Han
- Department of Biotechnology, Yonsei University, Seoul 03722, Republic of Korea
| | - Ki Duk Park
- Convergence Research Center for Diagnosis, Treatment & Care System of Dementia, Korea Institute of Science & Technology (KIST), Seoul 02792, Republic of Korea
- Division of Bio-Med Science & Technology, KIST School, Korea University of Science and Technology, Seoul 02792, Republic of Korea
- KHU-KIST Department of Converging Science and Technology, Kyung Hee University, Seoul 02447, Republic of Korea
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Lee JA, Kim HR, Kim J, Park KD, Kim DJ, Hwang O. The Novel Neuroprotective Compound KMS99220 Has an Early Anti-neuroinflammatory Effect via AMPK and HO-1, Independent of Nrf2. Exp Neurobiol 2018; 27:408-418. [PMID: 30429650 PMCID: PMC6221835 DOI: 10.5607/en.2018.27.5.408] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 10/10/2018] [Accepted: 10/11/2018] [Indexed: 12/17/2022] Open
Abstract
We have previously reported a novel synthetic compound KMS99220 that prevented degeneration of the nigral dopaminergic neurons and the associated motor deficits, suggesting a neuroprotective therapeutic utility for Parkinson's disease. Microglia are closely associated with neuroinflammation, which plays a key role in the pathogenesis of neurodegenerative diseases. In this study, we investigated the effects of KMS99220 on the signaling involving AMP-activated protein kinase (AMPK) and heme oxygenase-1 (HO-1), the enzymes thought to regulate inflammation. KMS99220 was shown to elevate the enzyme activity of purified AMPK, and phosphorylation of cellular AMPK in BV2 microglia. It increased the level of HO-1, and this was attenuated by AMPK inhibitors. KMS99220 lowered phosphorylation of IκB, nuclear translocation of NFκB, induction of inducible nitric oxide synthase, and generation of nitric oxide in BV2 cells that had been challenged with lipopolysaccharide. This anti-inflammatory response involved HO-1, because both its pharmacological inhibition and knockdown of its expression abolished the response. The AMPK inhibitors also reversed the anti-inflammatory effects of KMS99220. The induction of HO-1 by KMS99220 occurred within 1 h, and this appeared not to involve the transcription factor Nrf2, because Nrf2 knockdown did not affect the compound's HO-1 inducing- and anti-inflammatory effects in this time window. These findings indicated that KMS99220 leads to AMPK-induced HO-1 expression in microglia, which in turn plays an important role in early anti-inflammatory signaling. Together with its neuroprotective property, KMS99220 may serve as a feasible therapeutic agent against neuroinflammation and neurodegeneration.
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Affiliation(s)
- Ji Ae Lee
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Hye Ri Kim
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
| | - Jiyoung Kim
- Research Institute for Veterinary Science, College of Veterinary Medicine, Seoul National University, Seoul 08826, Korea
| | - Ki Duk Park
- Convergence Research Center for Diagnosis, Treatment and Care System of Dementia, Korea Institute of Science and Technology, Seoul 02792, Korea
| | - Dong Jin Kim
- Center for Neuro-Medicine, Brain Science Institute, Korea Institute of Science and Technology, Seoul 02792, Korea
| | - Onyou Hwang
- Department of Biochemistry and Molecular Biology, University of Ulsan College of Medicine, Seoul 05505, Korea
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The Keap1/Nrf2-ARE Pathway as a Pharmacological Target for Chalcones. Molecules 2018; 23:molecules23071803. [PMID: 30037040 PMCID: PMC6100069 DOI: 10.3390/molecules23071803] [Citation(s) in RCA: 64] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2018] [Revised: 07/18/2018] [Accepted: 07/18/2018] [Indexed: 01/14/2023] Open
Abstract
Chalcones have shown a broad spectrum of biological activities with clinical potential against various diseases. The biological activities are mainly attributed to the presence in the chalcones of the α,β-unsaturated carbonyl system, perceived as a potential Michael acceptor. Chalcones could activate the Kelch-like ECH-associated protein 1 (Keap1)/Nuclear factor erythroid 2-related factor 2 (Nrf2) pathway through a Michael addition reaction with the cysteines of Keap1, which acts as a redox sensor and negative regulator of Nrf2. This modification allows the dissociation of Nrf2 from the cytoplasmic complex with Keap1 and its nuclear translocation. At this level, Nrf2 binds to the antioxidant response element (ARE) and activates the expression of several detoxification, antioxidant and anti-inflammatory genes as well as genes involved in the clearance of damaged proteins. In this regard, the Keap1/Nrf2–ARE pathway is a new potential pharmacological target for the treatment of many chronic diseases. In this review we summarize the current progress in the study of Keap1/Nrf2–ARE pathway activation by natural and synthetic chalcones and their potential pharmacological applications. Among the pharmacological activities highlighted, anti-inflammatory activity was more evident than others, suggesting a multi-target Michael acceptor mechanism for the chalcones involving key regulators of the Nrf2 and nuclear factor- κB (NF-κB) pathways.
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